Method of transmitting and receiving radio access information in a wireless mobile communications system

- EVOLVED WIRELESS LLC

In a wireless mobile communications system, a method of transmitting and receiving radio access information that allows a faster and an efficient way of establishing a radio connection between a terminal and a target base station while performing a handover for the terminal to a cell of the target base station. The network transmits in advance, the radio access information and the like, to the terminal so that the terminal can be connected with the target cell in a faster manner which minimizes the total time for the handover process.

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Description
CROSS-REFERENCE TO RELATED APPLICATIONS

This The present application is a Broadening Continuation Reissue of U.S. patent application Ser. No. 14/723,093, filed May 27, 2015, now U.S. Pat. No. RE 46,714, and the present application is a Broadening Continuation Reissue of U.S. patent application Ser. No. 14/326,637, filed Jul. 9, 2014, now U.S. Pat. No. RE 46,679 and the present application is a Broadening Reissue of U.S. patent application Ser. No. 12/870,747, filed Aug. 27, 2010, now U.S. Pat. No. 8,219,097. U.S. patent application Ser. No. 14/723,093 is a Divisional of U.S. patent application Ser. No. 14/326,637, filed Jul. 9, 2014, now U.S. Pat. No. RE 46,679 and is a Broadening Reissue of U.S. patent application Ser. No. 12/870,747, filed Aug. 27, 2010, now U.S. Pat. No. 8,219,097. U.S. patent application Ser. No. 14/326,637 is a Broadening Reissue of U.S. patent application Ser. No. 12/870,747, filed Aug. 27, 2010, now U.S. Pat. No. 8,219,097, which is a continuation of U.S. application Ser. No. 11/553,939, filed Oct. 27, 2006, now U.S. Pat. No. 7,809,373, which claims the benefit of earlier filing date and right of priority to U.S. Provisional Application No. 60/732,080, filed Oct. 31, 2005, and Korean Patent Application No. 10-2006-0063135, filed Jul. 5, 2006, the contents of which are hereby incorporated by reference herein in their entirety.

FIELD OF THE INVENTION

The present invention relates to wireless (radio) mobile communications systems, and in particular, relates to a method of transmitting and receiving radio connection information that allows a terminal to access a target base station (i.e., target eNB) in a faster and more efficient manner while performing a handover for the terminal to a cell of the target base station.

BACKGROUND ART

The universal mobile telecommunications system (UMTS) is a third-generation mobile communications system evolving from the global system for mobile communications system (GSM), which is the European standard. The UMTS is aimed at providing enhanced mobile communications services based on the GSM core network and wideband code-division multiple-access (W-CDMA) technologies.

FIG. 1 shows an exemplary diagram illustrating an Universal Mobile Telecommunication System (UMTS) network of a conventional mobile communication system. The UMTS is comprised of, largely, a user equipment (UE) or terminal, a UMTS Terrestrial Radio Access Network (UTRAN), and a core network (CN). The UTRAN comprises at least one Radio Network Su-bsystem (RNS), and each RNS is comprised of one Radio Network Controller (RNC) and at least one base station (Node B) which is controlled by the RNC. For each Node B, there is at least one cell.

FIG. 2 is an exemplary diagram illustrating a structure of a Radio interface Protocol (RIP) between a UE and the UTRAN. Here, the UE is associated with a 3rd Generation Partnership Project (3GPP) wireless access network standard. The structure of the RIP is comprised of a physical layer, a data link layer, and a network layer on the horizontal layers. On the vertical plane, the structure of the RIP is comprised of a user plane, which is used for transmitting data, and a control plane, which is used for transmitting control signals. The protocol layers of FIG. 2 can be categorized as L1 (first layer), L2 (second layer), and L3 (third layer) based on an Open System Interconnection (OSI) model. Each layer will be described in more detail as follows.

The first layer (L1), namely, the physical layer, provides an upper layer with an information transfer service using a physical channel. The physical layer is connected to an upper layer called a medium access control (MAC) layer through a transport channel. Data is transferred between the MAC layer and the physical layer through the transport channel. Data is also transferred between different physical layers, i.e. between physical layers of a transmitting side and a receiving side, through the physical channel.

The MAC layer of the second layer (L2) provides an upper layer called a radio link control (RLC) layer with a service through a logical channel. The RLC layer of the second layer supports reliable data transfer and performs segmentation and concatenation of a service data unit (SDU) received from an upper layer.

A radio resource control (RRC) layer at a lower portion of the L3 layer is defined in the control plane and controls logical channels, transport channels, and physical channels for configuration, re-configuration and release of radio bearers (RBs). A RB is a service provided by the second layer for data transfer between the terminal and the UTRAN. The configuration of the RBs includes defining characteristics of protocol layers and channels required to provide a specific service, and configuring respective specific parameters and operation methods.

A RRC connection and a signaling connection will be described in more detail as follows.

In order to perform communications, a terminal needs to have a RRC connection with the UTRAN and a signaling connection with the Core Network (CN). The terminal transmits and/or receives a terminal's control information with the UTRAN or the CN via the RRC connection and the signaling connection.

FIG. 3 shows an exemplary diagram for explaining how a RRC connection is established.

In FIG. 3, to establish the RRC connection, the terminal transmits a RRC Connection Request Message to the RNC, and then the RNC transmits a RRC Connection Setup Message to the terminal in response to the RRC Connection Request Message. After receiving the RRC Connection Setup Message by the terminal, the terminal transmits a RRC Connection Setup Complete Message to the RNC. If the above steps are successfully completed, the terminal establishes the RRC connection with the RNC. After the RRC connection is established, the terminal transmits an Initial Direct Transfer (IDT) message to the RNC for initializing a process of the signaling connection.

A Random Access Channel of a WCDMA will be described in more detail as follows.

The Random Access Channel (RACH) is used to transfer a short length data on an uplink, and some of the RRC message (i.e., RRC Connection Request Message, Cell Update Message, URA Update Message) is transmitted via the RACH. The RACH is mapped to a Common Control Channel (CCCH), a Dedicated Control Channel (DCCH) and a Dedicated Traffic Channel (DTCH), and then the RACH is mapped to a Physical Random Access Channel.

FIG. 4 shows how the physical random access channel (PRACH) power ramping and message transmission may be performed.

Referring to FIG. 4, the PRACH, which is an uplink physical channel, is divided into a preamble part and a message part. The preamble part is used to properly control a transmission power for a message transmission (i.e., a power ramping function] and is used to avoid a collision between multiple terminals. The message part is used to transmit a MAC PDU that was transferred from the MAC to the Physical channel.

When the MAC of the terminal instructs a PRACH transmission to the physical layer of the terminal, the physical layer of the terminal first selects one access slot and one (preamble) signature, and transmits the preamble on the PRACH to an uplink. Here, the preamble is transmitted within a particular the length of access slot duration (e.g., 1.33 ms). One signature is selected among the 16 different signatures within a first certain length of the access slot, and it is transmitted.

If the preamble is transmitted from the terminal, a base station transmits a response signal via an Acquisition indicator channel (AICH) which is a downlink physical channel. The AICH, in response to the preamble, transmits a signature that was selected within the first certain length of the access slot. Here, the base station transmits an ACK response or a NACK response to the terminal by means of the transmitted signature from the AICH.

If the ACK response is received, the terminal transmits a 10 ms or 20 ms length of the message part using an OVSF code that correspond with the transmitted signature. If the NACK response is received, the MAC of the terminal instructs the PRACH transmission again to the physical layer of the terminal after a certain time period. Also, if no AICH is received with respect to the transmitted preamble, the terminal transmits a new preamble with a higher power compared to that used for the previous preamble after a predetermined access slot.

FIG. 5 illustrates an exemplary structure of an Acquisition Indicator Channel (AICH).

As shown in FIG. 5, the AICH, which is a downlink physical channel, transmits 16 symbol signatures (Si, i=0, . . . , 15) for the access slot having a length of 5120 chips. The terminal may select any arbitrary signature (Si) from S0 signature to S15 signature, and then transmits the selected signature during the first 4096 chips length. The remaining 1024 chips length is set as a transmission power off period during which no symbol is transmitted. Also, as similar to FIG. 5, the preamble part of the uplink PRACH transmits 16 symbol signatures (Si, i=0, . . . , 15) during the first 4096 chips length.

An Evolved Universal Mobil Telecommunication System (E-UMTS) will be described in more detail as follows.

FIG. 6 shows an exemplary structure of an Evolved Universal Mobile Telecommunications System (E-UMTS). The E-UMTS system is a system that has evolved from the UMTS system, and its standardization work is currently being performed by the 3GPP standards organization.

The E-UMTS network generally comprises at least one mobile terminal (i.e., user equipment: UE), base stations (i.e., Node Bs), a control plane server (CPS) that performs radio (wireless) control functions, a radio resource management (RRM) entity that performs radio resource management functions, a mobility management entity (MME) that performs mobility management functions for a mobile terminal, and an access gateway (AG) that is located at an end of the E-UMTS network and connects with one or more external networks. Here, it can be understood that the particular names of the various network entities are not limited to those mentioned above.

The various layers of the radio interface protocol between the mobile terminal and the network may be divided into L1 (Layer 1), L2 (Layer 2), and L3 (Layer 3) based upon the lower three layers of the Open System Interconnection (OSI) standard model that is known the field of communication systems. Among these layers, a physical layer that is part of Layer 1 provides an information transfer service using a physical channel, while a Radio Resource Control (RRC) layer located in Layer 3 performs the function of controlling radio resources between the mobile terminal and the network. To do so, the RRC layer exchanges RRC messages between the mobile terminal and the network. The functions of the RRC layer may be distributed among and performed within the Node B, the CPS/RRM and/or the MME.

FIG. 7 shows an exemplary architecture of the radio interface protocol between the mobile terminal and the UTRAN (UMTS Terrestrial Radio Access Network). The radio interface protocol of FIG. 7 is horizontally comprised of a physical layer, a data link layer, and a network layer, and vertically comprised of a user plane for transmitting user data and a control plane for transferring control signaling. The radio interface protocol layer of FIG. 2 may be divided into L1 (Layer 1), L2 (Layer 2), and L3 (Layer 3) based upon the lower three layers of the Open System Interconnection (OSI) standards model that is known the field of communication systems.

Particular layers of the radio protocol control plane of FIG. 7 and of the radio protocol user plane of FIG. 8 will be described below. The physical layer (i.e., Layer 1) uses a physical channel to provide an information transfer service to a higher layer. The physical layer is connected with a medium access control (MAC) layer located thereabove via a transport channel, and data is transferred between the physical layer and the MAC layer via the transport channel. Also, between respectively different physical layers, namely, between the respective physical layers of the transmitting side (transmitter) and the receiving side (receiver), data is transferred via a physical channel.

The MAC layer of Layer 2 provides services to a radio link control (RLC) layer (which is a higher layer) via a logical channel, The RLC layer of Layer 2 supports the transmission of data with reliability. It should be noted that the RLC layer in FIG. 7 is depicted in dotted lines, because if the RLC functions are implemented in and performed by the MAC layer, the RLC layer itself may not need to exist. The PDCP layer of Layer 2 performs a header compression function that reduces unnecessary control information such that data being transmitted by employing Internet protocol (IP) packets, such as IPv4 or IPv6, can be efficiently sent over a radio (wireless) interface that has a relatively small bandwidth.

The radio resource control (RRC) layer located at the lowermost portion of Layer 3 is only defined in the control plane, and handles the control of logical channels, transport channels, and physical channels with respect to the configuration, re-configuration and release of radio bearers (RB). Here, the RB refers to a service that is provided by Layer 2 for data transfer between the mobile terminal and the UTRAN.

As for channels used in downlink transmission for transmitting data from the network to the mobile terminal, there is a broadcast channel (BCH) used for transmitting system information, and a shared channel (SCH) used for transmitting user traffic or control messages. Also, as a downlink transport channel, there is a downlink Shared Control Channel (SCCH) that transmits necessary control information for the terminal to receive the downlink SCH. The downlink SCCH transmission includes information regarding a data variation, a data channel coding technique, and a data size where the data is transmitted to the downlink SCH.

As for channels used in uplink transmission for transmitting data from the mobile terminal to the network, there is a random access channel (RACH) used for transmitting an initial control message, and a shared channel (SCH) used for transmitting user traffic or control messages. Also, in an uplink transport channel, there is an uplink Shared Control Channel (SCCH) that transmits necessary control information for the terminal to receive the uplink SCH. The uplink SCCH transmission includes information regarding a data variation, a data channel coding technique, and a data size where the data is transmitted to the uplink SCH.

In the related art, when the mobile terminal moves from a source cell to a target cell, the mobile terminal uses a RACH to transmit a cell update message to the target cell. Namely, in order to transmit the cell update message, the terminal uses the RACH for an uplink time synchronization with the target cell and for an uplink resource allocation. However, due to a collision possibility of the RACH, the message transmission my be delayed, and a handover processing time is increased because of the possibility of RACH collision.

SUMMARY

The present invention has been developed in order to solve the above described problems of the related art. As a result, the present invention provides a method of transmitting and receiving control radio connection information that allows a faster and an efficient way of accessing a terminal to a target base station while performing a handover for the terminal to a cell of the target base station.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 shows an exemplary diagram illustrating an Universal Mobile Telecommunication System (UMTS) network of a conventional mobile communication system.

FIG. 2 shows an exemplary diagram illustrating a structure of a Radio Interface Protocol (RIP) between a UE and the UTRAN.

FIG. 3 shows an exemplary diagram for explaining how a RRC connection is established.

FIG. 4 shows how the physical random access channel (PRACH) power ramping and message transmission may be performed.

FIG. 5 illustrates an exemplary structure of an Acquisition Indicator Channel (AICH).

FIG. 6 shows an overview of an E-UMTS network architecture.

FIGS. 7 and 8 show an exemplary structure (architecture) of a radio interface protocol between a mobile terminal and a UTRAN according to the 3GPP radio access network standard.

FIG. 9 shows an exemplary diagram for transmitting and receiving radio connection information according to an exemplary embodiment of the present invention.

 DESCRIPTION

One aspect of the present invention is the recognition by the present inventors regarding the problems and drawbacks of the related art described above and explained in more detail hereafter. Based upon such recognition, the features of the present invention have been developed.

In the related art, when the mobile terminal moves from a source cell to a target cell, the mobile terminal uses a RACH to transmit a cell update message to the target cell. However, because of a possibility for a RACH collision (i.e. the same signature is being selected from multiple terminals that use of the RACH), the processing time for the handover process may be delayed.

In contrast, the features of the present invention provide that the terminal receives necessary information from a source cell in advance (i.e., before the terminal transmits a RACH setup request to a network) in order to utilize the RACH in a later step. As a result, the terminal can connect with the target cell with minimal delays.

It should be noted that the features of the present invention may be related to issues regarding the long-term evolution (LTE) of the 3GPP standard. As such, the 3GPP standard and its related sections or portions thereof, as well as various developing enhancements thereof pertain to the present invention. For example, in present invention, a source enhanced Node B (eNB) may manage the source cell described above and a target enhanced Node B (eNB) may manage the target cell.

FIG. 9 shows an exemplary diagram for transmitting and receiving radio connection information according to an exemplary embodiment of the present invention.

As illustrated in FIG. 9, the UE (or terminal) (10) may transmit a measurement report to the source eNB (12) by measuring a condition of a downlink physical channel for other cells periodically or upon the occurrence of event (i.e., user command, setting information, etc) (S10). As the measurement report is transmitted to the source eNB with a result for the measured condition of the downlink physical channel for other cells, the eNB may determine which cell, that the UE will be moved to, has a better channel condition compared to the current cell.

Using the measurement report which contains information about the condition of the downlink physical channel for other cells, the source eNB (12) may determine whether to perform a handover for the UE (10) from a current cell to the other cell, or whether to keep the UE in current cell (811).

If the UE (10) needs to perform handover from the source eNB to an other particular cell, the source eNB (12) may transmit a handover request message to the target eNB (14) in order to request a handover for the UE to the target eNB. (S12) Here, the handover request message may include a UE identification (ID) and/or a buffer state of the UE.

If the target eNB (14) allows the handover to be performed for the UE upon receiving the handover request from the source eNB (12), the target eNB (14) may transmit a handover confirm message to the source eNB (12) (S13). The handover confirm message may include information that may be necessary in the course of connecting the UE (10) to the target cell. Namely, the necessary information may include information used in the RACH which is used for performing a radio access procedure from the UE to the target eNB. For example, when the RACH is being used while the UE accesses to the target eNB, the UE may utilize a preamble which is selected from signatures contained in the UE. System information transmitted from the eNB may include signatures related information. So, the UE may transmit the preamble to the eNB after selecting one of the signatures. However, in some cases, one or more UEs could select a same signature because there are a limited number of signatures. Therefore, if two or more UEs transmit the preamble of the same signature to the eNB at the same time, the eNB can not possibly determine which UE transmitted such preamble. To avoid this from happening, the UE should not transmit a preamble that is selected from the signatures used in the RACH during the handover, but rather, the UE may transmit a preamble of a previously defined signature through the handover confirm message from the target eNB. Here, the target eNB may acknowledge the mapping relationship between an UE's ID and the signature, where the UE's ID is transmitted from the Handover Request Message. Therefore, when the UE transmits the preamble to the target eNB for establishing a radio connection to the target cell, the target eNB may determine an ID of the UE using the preamble. Also, the Handover Confirm message may include a transmission characteristic of the preamble that is transmitted from the UE (10) to the target eNB (14). The transmission characteristic may relate to frequency and time used in transmitting the preamble information.

If the source eNB (12) receives the Handover confirm message of the UE from the target eNB (14), the source eNB (12) may transmit a Handover Command message to the UE (10). (S14) The Handover Command message may include necessary information which comes from the target eNB, for establishing the radio connection to the target eNB. Also, the Handover Command message may include information of the signature and the preamble which is to be used in the access procedure to the target eNB.

The UE (10), which received the handover command message from the source eNB (12), may utilize the RACH for establishing the radio connection between the UE and the target eNB. (S15) Here, the preamble transmission of the UE is based upon information in the handover command message received from the source eNB (12). Also, if the information includes system information of the target eNB (14), the UE (10) may perform a radio accessing procedure without reading broadcast system information from the target eNB (14). For example, when the UE performs to establish the radio connection with a new cell, the UE usually reads system information of the corresponding eNB after time synchronization of the downlink. Since the system information includes information related to a radio access request message from the UE to an uplink, the radio accessing is performed after reading the system information. However, according to the present invention, the UE (10) may perform the radio access procedure without reading the system information in the target cell, as the system information of the target eNB is previously transmitted to the source eNB in advance and the system information was included in the handover command message.

The target eNB (14) may receive the preamble of the UE. Since the target eNB (14) already allocates a signature used in the preamble to the UE in the use of handover, the UE can be identified by the preamble. The target eNB (14) may allocate the uplink radio resource to the UE (10) for the UE to access the target eNB and to transmit the handover complete message to the target eNB. (S16) Also, the allocated radio resources information may be transmitted to the UE (10) via a downlink SCH. Alternatively, the allocated radio resources information may be transmitted via a downlink SCCH. Further, the allocated radio resources may be transmitted within an ACK/NACK signaling.

The UE (10) may transmit the handover complete message to the target eNB (14) based on a scheduling grant of the target eNB. (S17) If the scheduling grant includes information of allocated radio resources upon an allocation request of the uplink radio resources of the UE, the scheduling grant may be transmitted with the ACK/NACK signaling of the preamble transmitted from the UE (10). In this case, the Handover complete message from the UE may include a buffer state of the UE or its related information. If the allocated uplink radio resources, which is transmitted from the target eNB (14) to the UE (10), is sufficient, the handover complete message may be transmitted with additional traffic data when there is additional uplink traffic data.

It can be said that the present invention provides a method of transmitting access information in a mobile communications system, the method comprising: deciding to perform a handover for a terminal to a cell of a target base station; transmitting, to the target base station, a handover request for performing a handover from a source base station to the target base station; receiving access information from the target base station that received the handover request, wherein the access information is then transmitted to the terminal to access the target base station; receiving a measurement report from the terminal; determining whether to perform a handover based upon the received measurement report; and transmitting a handover command that contains the access information to the terminal upon receiving the response by the source base station, wherein the measurement report includes a downlink physical channel condition for multiple cells including the cell of the target base station, the handover request includes at least one of terminal identification (ID) information and/or buffer state information of the terminal, the access information is random access information, the access information is for a random access channel (RACH), the access information includes at least one of signature information and/or preamble information, the signature information is determined by the target base station based upon terminal identification information, the preamble information includes frequency information and time information, and the handover command includes access information which contains at least one of signature information and/or preamble information to allow the terminal to access the target base station.

Also, the present invention may provide a method of transmitting access information in a mobile communications system, the method comprising: receiving, from a source base station, a handover request for performing a handover from the source base station to a target base station; transmitting access information to the source base station upon receiving the handover request, wherein the access information is used to allow a terminal to access the target base station; allocating a radio resource for an uplink and transmitting radio resource allocation information to the terminal; receiving, from the terminal, preamble information of the terminal; and receiving a handover complete message from the terminal, wherein the radio resource allocation information is transmitted to the terminal through at least one of a downlink shared channel (SCH) and a downlink shared control channel (SCCH), an ACK/NACK signal includes the allocated resource information, the preamble information is used to identify the terminal, the handover complete message includes at least one of buffer state information of the terminal and uplink traffic data, and the handover complete message includes uplink traffic data if the radio resource allocation for the uplink is sufficient to transmit the uplink traffic data.

It can be said that the present invention provides a method of receiving access information in mobile communications system, the method comprising: receiving access information from a source base station after a handover is accepted by a target base station; performing a random access procedure with the target base station using the received access information; transmitting a measurement report to the source base station by measuring a condition of a downlink physical channel for other cells, the measuring performed periodically or upon an occurrence of an event; transmitting the preamble information to the target base station for performing a radio access procedure with the target cell; receiving, from a network, radio resource information through a downlink shared channel (SCCH); receiving, from a network, radio resource information within an ACK/NACK signaling; and transmitting a handover complete message to the target base station, wherein the measurement report is used to determine whether to perform a handover from a current cell to an other cell, the access information is random access information for a random access channel (RACH) which includes preamble information within signature information, the access information includes a transmission characteristic of the preamble information, the transmission characteristic relates to frequency and time used in transmitting the preamble information, the access information includes system information transmitted from the target base station, and the handover complete message includes at least one of buffer state information of the terminal and uplink traffic data.

The present invention also may provide a mobile terminal for establishing a radio connection to a target base station in a mobile communications system, the mobile terminal comprising: a radio protocol adapted to receive access information from a source base station after a handover is accepted by the target base station and to perform a random access procedure with the target base station using the received access information, wherein the source base station is a source enhanced Node B (source eNB) and the target base station is a target enhanced Node B (target eNB) respectively in an Evolved Universal Mobile Telecommunication System (E-UMTS).

Although the present invention is described in the context of mobile communications, the present invention may also be used in any wireless communication systems using mobile devices, such as PDAs and laptop computers equipped with wireless communication capabilities (i.e. interface). Moreover, the use of certain terms to describe the present invention should not limit the scope of the present invention to a certain type of wireless communication system. the present invention is also applicable to other wireless communication systems using different air interfaces and/or physical layers, for example, TDMA, CDMA, FDMA, WCDMA, OFDM, EVDO, Mobile Wi-Max, Wi-Bro, etc.

The preferred embodiments may be implemented as a method, apparatus or article of manufacture using standard programming and/or engineering techniques to produce software, firmware, hardware, or any combination thereof. The term “article of manufacture” as used herein refers to code or logic implemented in hardware logic (e.g., an integrated circuit chip, Field Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC), etc.) or a computer readable medium (e.g., magnetic storage medium (e.g., hard disk drives, floppy disks, tape, etc.), optical storage (CD-ROMs, optical disks, etc.), volatile and non-volatile memory devices (e.g., EEPROMs, ROMs, PROMs, RAMs, DRAMs, SRAMs, firmware, programmable logic, etc).

Code in the computer readable medium is accessed and executed by a processor. The code in which preferred embodiments are implemented may further be accessible through a transmission media or from a file server over a network. In such cases, the article of manufacture in which the code is implemented may comprise a transmission media, such as a network transmission line, wireless transmission media, signals propagating through space, radio waves, infrared signals, etc. Of course, those skilled in the art will recognize that many modifications may be made to this configuration without departing from the scope of the present invention, and that the article of manufacture may comprise any information bearing medium known in the art.

This specification describes various illustrative embodiments of the present invention. The scope of the claims is intended to cover various modifications and equivalent arrangements of the illustrative embodiments disclosed in the specification. Therefore, the following claims should be accorded the reasonably broadest interpretation to cover modifications, equivalent structures, and features that are consistent with the spirit and scope of the invention disclosed herein.

Claims

1. A method of transmitting uplink data in a wireless communication system, the method comprising:

receiving in a terminal from a network, preamble information generated by the network, wherein the preamble information is received via dedicated signaling in downlink,
wherein the received preamble information is either a dedicated preamble or an index of the dedicated preamble, and wherein the preamble information is used for performing a random access channel (RACH) procedure, and
wherein the dedicated preamble is used for a specific terminal;
transmitting from the terminal to the network, the dedicated preamble on a random access channel (RACH) in uplink; uplink
receiving in the terminal, a random access response in response to the transmitted dedicated preamble, wherein the random access response includes at least one of time information for a handover operation, an uplink grant for the handover operation, time information for a downlink data arrival, or a random access preamble identifier; and
transmitting the uplink data to the network using the uplink grant included in the random access response.

2. The method of claim 1, wherein the preamble information is a non-contention random access preamble assigned to the specific terminal by the network.

3. The method of claim 1, wherein the preamble information is signaled via a handover command generated by a target base station.

4. The method of claim 1, wherein the preamble information is signaled via a physical downlink control channel (PDCCH).

5. The method of claim 1, wherein the random access response is received on a downlink shared channel (DL-SCH).

6. A mobile terminal for transmitting uplink data in a wireless communication system, the mobile terminal comprising:

a transceiver configured to transmit or receive the uplink data;
a memory configured to store the uplink data transmitted or received via the transceiver or from an external source; and
a processor cooperating with the transceiver and the memory, the processor configured to:
receive, from a network, preamble information generated by the network, wherein the preamble information is received via dedicated signaling in downlink, wherein the preamble information is used for performing a random access channel (RACH) procedure, wherein the received preamble information is either a dedicated preamble or an index of the dedicated preamble, and wherein the dedicated preamble is used for a specific terminal; transmit, to the network, the dedicated preamble on a random access channel (RACH) in uplink; receive a random access response in response to the transmitted dedicated preamble, wherein the random access response includes at least one of time information for a handover operation, an uplink grant for the handover operation, time information for a downlink data arrival, or a random access preamble identifier; and transmit the uplink data to the network using the uplink grant included in the random access response.

7. The mobile terminal of claim 6, wherein the preamble information is a non-contention random access preamble assigned to the specific terminal by the network.

8. The mobile terminal of claim 6, wherein the preamble information is signaled via a handover command generated by a target base station.

9. The mobile terminal of claim 6, wherein the preamble information is signaled via a physical downlink control channel (PDCCH).

10. The mobile terminal of claim 6, wherein the random access response is received on a downlink shared channel (DL-SCH).

11. A method of transmitting uplink data in a wireless communication system comprising:

receiving, via signaling in downlink, in a terminal from a source base station after the source base station has determined that a handover should occur to a target base station, information related to a preamble, wherein the information related to the preamble was previously defined in a message sent from the target base station to the source base station,
wherein the received information related to the preamble is used for performing a random access channel (RACH) procedure, and
wherein the information related to the preamble is used by the terminal to avoid a collision while performing a handover by the terminal to the target base station;
transmitting, from the terminal to the target base station, the preamble on a random access channel (RACH) in uplink;
receiving, in the terminal, in response to the transmitted preamble, a random access response for uplink, wherein the random access response includes an uplink grant for the handover; and
transmitting the uplink data to the target base station using the uplink grant included in the random access response.

12. The method of claim 11, further comprising receiving, in the terminal, time and frequency information from the source base station for use in connecting to the target base station.

13. The method of claim 11, further comprising receiving, in the terminal, a handover command message that includes time and frequency information to connect the target base station and the terminal.

14. The method of claim 11, wherein the information related to the preamble originates at least in part at the target base station and includes frequency information and time information.

15. The method of claim 11, wherein the information related to the preamble is signaled via a physical downlink control channel (PDCCH).

16. The method of claim 11, wherein the random access response is received on a downlink shared channel (DL-SCH).

17. The method of claim 11, wherein the uplink data is uplink traffic data.

18. A mobile terminal configured to transmit uplink data in a wireless communication system, the mobile terminal comprising:

a transceiver configured to transmit the uplink data;
a memory configured to store uplink data; and
a processor cooperating with the transceiver and the memory, the processor configured to: receive, at the terminal from a source base station a command that a handover should occur to a target base station, the command including information related to a preamble, wherein the information related to the preamble is received via signaling in downlink via the source base station from the target base station, wherein the received information related to the preamble is used for performing a random access channel (RACH) procedure, and wherein the information related to the preamble is used by the terminal to avoid a collision while performing a handover by the terminal to the target base station; transmit, from the terminal to the target base station the preamble on a random access channel (RACH) in uplink; receive, in the terminal, in response to the transmitted preamble, a random access response for uplink, wherein the random access response includes an uplink grant for the handover; and transmit the uplink data to the target base station using the uplink grant included in the random access response.

19. The mobile terminal of claim 18, wherein the processor is further configured to receive, in the terminal, time and frequency information from the source base station for use in connecting to the target base station.

20. The mobile terminal of claim 18, wherein the processor is further configured to receive, in the terminal, a handover command message that includes time and frequency information to connect the target base station and the terminal.

21. The mobile terminal of claim 18, wherein the command includes information from the target base station for establishing a radio connection to the target base station.

22. The mobile terminal of claim 18, wherein the information related to the preamble is signaled via a physical downlink control channel (PDCCH).

23. The system of claim 18, wherein the random access response is received on a downlink shared channel (DL-SCH).

24. A method of performing a handover of a terminal to a target base station in a wireless communication system, the method comprising:

transmitting, by the terminal, measurement information to a source base station;
receiving, by the terminal, and after the source base station has determined that a handover should occur to the target base station, a handover command message from the source base station, wherein the handover command message includes access information, and the access information includes information related to a preamble as identified by the target base station for use by the terminal during a random access procedure with the target base station, wherein the information related to the preamble is used by the terminal to avoid a collision while performing the handover to the target base station;
establishing, by the terminal, and in response to the handover command message, a radio connection with the target base station, wherein the terminal connects with the target base station during the random access procedure using the preamble; and
transmitting, by the terminal, a handover complete message to the target base station.

25. The method of claim 24, wherein the measurement information is a measurement report including channel conditions.

26. The method of claim 24, wherein the handover command message includes a handover command with a terminal identification, and wherein the target base station determines the terminal identification using the preamble information.

27. The method of claim 24, wherein the handover command message includes time and frequency information for use in connecting the target base station and the terminal.

28. The method of claim 24, further comprising receiving, by the terminal, time and frequency information from the source base station for use in connecting to the target base station.

29. A system comprising:

a source base station;
a target base station; and
a mobile terminal configured to transmit uplink data in a wireless communication system, the mobile terminal comprising:
a transceiver configured to transmit the uplink data;
a memory configured to store uplink data; and
a processor cooperating with the transceiver and the memory, the processor configured to: receive, at the terminal from the source base station, and after the source base station has determined that a handover should occur to the target base station, information related to a preamble, wherein the information related to the preamble is received via signaling in downlink from the target base station, wherein the received information related to the preamble is used for performing a random access channel (RACH) procedure, and wherein the information related to the preamble is used by the terminal to avoid a collision while performing a handover by the terminal to the target base station; transmit, from the terminal to the target base station the preamble on a random access channel (RACH) in uplink; receive, in the terminal, in response to the transmitted preamble, a random access response for uplink, wherein the random access response includes an uplink grant for the handover; and transmit the uplink data to the target base station using the uplink grant included in the random access response.

30. The system of claim 29, wherein the processor is further configured to receive, in the terminal, time and frequency information from the source base station for use in connecting to the target base station.

31. The system of claim 29, wherein the processor is further configured to receive, in the terminal, a handover command message that includes time and frequency information to connect the target base station and the terminal.

32. The system of claim 29, wherein the information related to the preamble is signaled via a physical downlink control channel (PDCCH).

33. The system of claim 29, wherein the random access response is received on a downlink shared channel (DL-SCH).

34. The mobile terminal of claim 29, wherein the information related to the preamble originates at least in part at the target base station.

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  • 3GPP TR 25.813 V7.0.0 “3rd Generation Partnership Project” Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Radio Interface Protocol Aspects (Release 7) (Jun. 2006); 39 pages.
  • TSG-RAN Working Group 2 Adhoc on LTE “Random Access Procedures” Cannes, France; R2-061881; Jun. 27-30, 2006; 4 pages.
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Apple Inc.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00542-SLR-SRF; Includes documents filed from Apr. 23, 2018-Jun. 28, 2018; (205 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. HTC Corporation et al.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00543-SLR-SRF; Includes documents filed from Apr. 23, 2018-Jun. 28, 2018; (156 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Lenovo Group Ltd., et al..; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00544-SLR-SRF; Includes documents filed from Apr. 23, 2018-Jun. 28, 2018; (114 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Samsung Electronics Co. Ltd., et al..; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00545-SLR-SRF; Includes documents filed from Apr. 23, 2018-Jun. 28, 2018; (114 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. ZTE Corporation; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00546-SLR-SRF; Includes documents filed from Apr. 23, 2018-Jun. 28, 2018; (114 pages).
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  • European Search Report for European Patent Application No. 17020418.4, dated Mar. 9, 2018.
  • 3GPP TS 25.301 V6.4.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Radio Interface Protocol Architecture (Release 6)” XP50129425 Sep. 2005 (48 pages).
  • Office Action for European Patent Application No. 17020418.4, dated Oct. 8, 2019.
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Apple Inc.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No, 1:15-cv-00542-SLR-SRF; Includes documents filed from Aug. 30, 2019-Sep. 5, 2019; Docket Nos. 546-548; (6 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. HTC Corporation et al.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00543-SLR-SRF; Includes documents filed from Aug. 29, 2019-Oct. 11, 2019; Docket Nos. 432-435; (17 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Motorola Mobility, et al..; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00544-SLR-SRF; Includes documents filed from Aug. 29, 2019-Oct. 11, 2019; Docket Nos. 394-397; (17 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Samsung Electronics Co. Ltd., et al.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00545-SLR-SRF; Includes documents filed from Aug. 29, 2019-Oct. 11, 2019; Docket Nos. 477-480; (17 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. ZTE Corporation; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No. 1:15-cv-00546-SLR-SRF; Includes documents filed from Aug. 29, 2019-Oct. 11, 2019; Docket Nos. 397-400;(17 pages).
  • Documents filed with U.S. District Court Proceedings for Evolved Wireless, LLC v. Microsoft Corporation, et al.; U.S. District Court, for the District of Delaware (Wilmington); Civil Action No, 1:15-cv-00547-SLR-SRF; Includes documents filed from Aug. 29, 2019-Oct. 11, 2019; Docket Nos. 415-418; (17 pages).
  • Documents filed with U.S. Court of Appeals for the Federal Circuit for Evolved Wireless, LLC v. ZTE (USA) Inc.; Appeal Docket No. 18-2008; Includes documents filed from May 25, 2018-Oct. 4, 2019; Docket Nos. 1-130; (4386 pages).
  • Documents filed with U.S. Court of Appeals for the Federal Circuit for Evolved Wireless, LLC v. Samsung Electronics Co., Ltd.; Appeal Docket No. 18-2009; Includes documents filed from May 25, 2018-Oct. 4, 2019; Docket Nos. 1-6; (110 pages).
  • Documents filed with U.S. Court of Appeals for the Federal Circuit for Evolved Wireless, LLC v. Apple Inc.; Appeal Docket No. 18-2010; Includes documents filed from May 25, 2018-Oct. 4, 2019; Docket Nos. 1-24; (216 pages).
  • Documents filed with U.S. Court of Appeals for the Federal Circuit for Evolved Wireless, LLC v. Apple Inc.; Appeal Docket No. 18-2011; Includes documents filed from May 25, 2018-Oct. 4, 2019; Docket Nos. 1-5; (162 pages).
  • Documents filed with U.S. Court of Appeals for the Federal Circuit for Evolved Wireless, LLC v. Apple Inc.; Appeal Docket No. 19-2362; Includes documents filed from Sep. 5, 2019-Oct. 21, 2019; Docket Nos. 1-15; (102 pages).
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  • 3GPP Meeting Registration; Meeting: RAN2#62; Kansas City; May 5, 2008 (6 pages).
  • 3GPP Meeting Registration; Meeting: 3GPPRAN1#44; Mar. 10, 2016 (7 pages).
  • 3GPP Meeting Registration; Meeting: 3GPPRAN1#44-bis; Mar. 12, 2016 (6 pages).
  • 3GPP Meeting Registration; Meeting; 3GPPRAN2#62-bis; Mar. 12, 2016 (6 pages).
  • 3GPP RAN 1 Meeting #44-bis “On the Performances of LTE RACH” Athens, Greece; Mar. 27-31, 2006; R1-060908; 6 pages.
  • 3GPP TSG-RAN Working Group 2 Meeting #52 “Intra-RAT Handover Access Procedure” Shanghai, China; May 8-12, 2006; R2-061229 (4 pages).
  • 3GPP TSG RAN WG1 Ad Hoc on LTE “On Allocation of Uplink Pilot Sub-Channels in EUTRA SC-FDMA” London, UK; R1-050822; Aug. 29-Sep. 2, 2005; (7 pages).
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  • 3GPP TSG RAN WG1 #42 on LTE “Orthogonal Pilot Channel in the Same Node B in Evolved UTRA Uplink” London, UK; R1-050851; Aug. 29-Sep. 2, 2005; (9 pages).
  • 3GPP TSG RAN WG1 #44-bis “A New Preamble Shape for the Random Access Preamble in E-UTRA” Athens, Greece, Mar. 27-31, 2006; R1-060867; 5 pages.
  • 3GPP TSG-RAN WG1 Meeting #44bis “Investigations on Random Access Channel Structure for E-UTRA Uplink” Athens, Greece; Mar. 27-31, 2006; R1-060992; 7 pages.
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  • 3GPP TSG RAN1 #44 “RACH Design for EUTRA” Denver, USA; R1-060387; MARKED-UP; Feb. 13-17, 2006 (11 pages).
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  • 3GPP TSG WG1 Meeting #44bis “RACH Design for E-UTRA” R1-060797; Athens, Greece, Mar. 27-31, 2006 (9 pages).
  • 3GPP TSG RAN1 #44-bis “Random Access Sequence Design” R1-060884; Athens, Greece, Mar. 24-26, 2006 (7 pages).
  • 3GPP TSG RAN1 #43 “RACH Design for EUTRA” Helsinki, Finland; Jan. 23-25, 2006; R1-060025; 11 pages.
  • 3GPP TSG-RAN WG3 #48 bis meeting “On Intra-Access Mobility for LTE_ACTIVE UEs” Cannes, France; R3-051108; Oct. 11-14, 2005 (4 pages).
  • 3GPP TSG-RAN WG2 #50 “Intra-System Mobility” Sophia-Antipolis, France; R2-060013; Jan. 9-13, 2006 (7 pages).
  • 3GPP TSG RAN WG2 #52 “Mobility in LTE Active” Athens, Greece; Tdoc R2-060915; Mar. 27-31, 2006 (4 pages).
  • 3GPP TSG-RAN WG2 Meeting #53 “Cell Switching in LTE_Active State” Shanghai, China; R2-061196; May 8-12, 2006 (5 pages).
  • 3GPP TSG-RAN WG2 #63 “NDI and Message 3” Jeju Island, Korea; Aug. 18-22, 2008; R2-084156; 5 pages.
  • 3GPP TSG-RAN WG2 #63 “Handling of Received UL Grant in RA Procedure” Jeju, South Korea; Aug. 18-22, 2008; R2-084387; 3 pages.
  • 3GPP TSG-RAN WG1 Meeting #53 “UL Grant for Random Access Message 3” R1-082078; Kansas City, USA; May 5-9, 2008 (4 pages).
  • 3GPP TSG-RAN WG2 Meeting #53 “Intra-LTE Handover Operation” Shanghai, PRC; R2-061135; May 8-13, 20016 (3 pages).
  • 3GPP TSG-RAN WG3 #53bis “Intral-LTE Mobility Procedure” Seoul, Korea; R3-061489; Oct. 10-13, 2006 (4 pages).
  • 3GPP TSG RAN WG2 #57 “Uplink Synchronization” R2-070781; St. Louis, USA; Feb. 12-16, 2007 (3 pages).
  • 3GPP TSG-RAN WG2 #61 bis “Control of HARQ for RACH message 3” R2-081764; Shenzhen, China; Mar. 31-Apr. 4, 2008 (5 pages).
  • 3GPP TSG-RAN WG2 #62 “Update of MAC Random Access Procedure” Tdoc R2-082731; Kansas City, USA; May 5-9, 2008 (7 pages).
  • 3GPP TSG-RAN2 Meeting #59bis “E-UTRA RRC TP Capturing Current Status on Mobility” Shanghai, P.R. China; Oct. 8-12, 2007; R2-074014 (11 pages).
  • 3GPP TSG RAN2 Meeting #63 “Handling of Received UL Grant in RA Procedure” Jeju, South Korea; Aug. 18-22, 2008; Marked-Up; R2-084388; 4 pages.
  • 3GPP TSG-RAN2 Meeting #62bis “Clarification of DL- and UL-SCH Data Transfer” Warsaw, Poland, R2-083400; Marked-Up; Jun. 30-Jul. 4, 2008 (7 pages).
  • 3GPP TSG-RAN2 Meeting #62bis “Clarification of DL- and UL-SCH Data Transfer” Warsaw, Poland, R2-083701 (revision of R2-083400); Marked-Up; Jun. 30-Jul. 4, 2008 (8 pages).
  • 3GPP TSG-RAN2 Meeting #62bis “NDI and Msg3” Warsaw, Poland, R2-083703; Marked-Up; Jun. 30-Jul. 4, 2008 (3 pages).
  • 3GPP TSG-RAN2 Meeting #63 “Corrections Relating to RACH Partitioning” Jeju, Korea; R2-084788; Aug. 18-22, 2008; (4 pages).
  • 3GPP TSG-RAN WG2 #63 “PCCH Configuration in SIB1” Jeju, Korea; R2-083882; Aug. 18-22, 2008; (4 pages).
  • 3GPP TSG-RAN WG2 Meeting #64bis “Clarification on RA Preambles” Athens, Greece; R2-091523; Jan. 9-13, 2009 (3 pages).
  • 3GPP TSG-RAN WG2 Meeting #64bis “Clarification on RA Preambles” Athens, Greece; R2-091523; Marked-Up; Jan. 9-13, 2009 (3 pages).
  • 3GPP TS 25.201 V3.0.0 (Oct. 1999) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical Layer—General Description (3G TS 25.201 Version 3.0.0)” Oct. 1999; 13 pages.
  • 3GPP TS 25.211 V6.6.0 (Sep. 2005) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical Channels and Mapping of Transport Channels onto Physical Channels (FDD) (Release 6)” Sep. 2005; 50 pages.
  • 3GPP TS 25,211 V6.7.0 (Dec. 2005) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical Channels and Mapping of Transport Channels onto Physical Channels (FDD) (Release 6)” Dec. 2005; 50 pages.
  • 3GPP TS 25.213 V6.4.0 (Sep. 2005) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Spreading and Modulation (FDD) (Release 6)” Sep. 2005; 32 pages.
  • 3GPP TS 25.214 V5.11.0 (Jun. 2005); Release 5; Jun. 2005 (50 pages).
  • 3GPP TS 25,302 V6.5.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Services Provided by the Physical Layer (Release 6)” Sep. 2005 (75 pages).
  • 3GPP TR 21.900 V8.2.0 (Mar. 2008) “3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Technical Specification Group Working Methods (Release 8)” Mar. 2008; 34 pages.
  • 3GPP TR 25.813 V0.0.2 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (UTRA) and Universal Terrestrial Radio Access Network (UTRAN); Radio Interface Protocol Aspects (Release 7)”; Oct. 2005 (17 pages).
  • 3GPP TR 25.813 V0.0.2 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (UTRA) and Universal Terrestrial Radio Access Network (UTRAN); Radio Interface Protocol Aspects (Release 7)”—Marked-Up; Oct. 2005 (18 pages).
  • 3GPP TR 25.814 V0.3.1 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical Layer Aspects for Evolved UTRA (Release 7)” Oct. 2005 (51 pages).
  • 3GPP TR 25.814 V1.0.2 (Jan. 2006) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Physical Layer Aspects for Evolved UTRA (Release 7)” Marked-Up; Jan. 2006; 79 pages.
  • 3GPP TR 25.905 V7.0.0 (Dec. 2006) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Improvement of the Multimedia Broadcast Multicast Service (MBMS) in UTRAN (Release 7)” Dec. 2006; 41 pages.
  • 3GPP TR 25.912 V7.0.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Feasibility Study for Evolved Universal Terrestrial Radio Access (UTRA) and Universal Terrestrial Radio Access Network (E-UTRAN) (Release 7)” Jun. 2006 (55 pages).
  • 3GPP TS 36.101 V8.2.0 (May 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Radio Transmission and Reception (Release 8)” May 2008; 66 pages.
  • 3GPP TS 36.211 V8.0.0 (Sep. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Channels and Modulation (Release 8)” Sep. 2007; 50 pages.
  • 3GPP TS 36.213 V8.3.0 (May 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer Procedures (Release 8)” May 2008; 45 pages.
  • 3GPP TS 36.300 V8.0.0 (Mar. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Mar. 2007; 82 pages.
  • 3GPP TS 36.300 V8.1.0 (Jun. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Jun. 2007 (106 pages).
  • 3GPP TS 36.300 V8.2.0 (Sep. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evoled Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Sep. 2007; 109 pages.
  • 3GPP TS 36.300 V8.3.0 (Dec. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evoled Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Dec. 2007; 121 pages.
  • 3GPP TS 36.300 V8.4.0 (Mar. 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Mar. 2008; 126 pages.
  • 3GPP TS 36.300 V8.5.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” May 2008 (134 pages).
  • 3GPP TS 36.300 V8.6.0 (Sep. 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Sep. 2008 (137 pages).
  • 3GPP TS 36.300 V8.7.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Dec. 2008 (144 pages).
  • 3GPP TS 36.300 V8.8.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Mar. 2009 (156 pages).
  • 3GPP TS 36.300 V8.9.0 (Jun. 2009) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8)” Jun. 2009 (159 pages).
  • 3GPP TS 36.300 V0.9.0 (Marked-Up) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2” Mar. 2007 (87 pages).
  • 3GPP TS 36.300 V0.9.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2” Mar. 2007 (81 pages).
  • 3GPP TS 36.321 V8.1.0, “3rd Generation Partnership Project; Technical Specification Group Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) protocol specification” (Release 8) 30 pages, Mar. 2008.
  • 3GPP TS 36.321 V8.2.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) Protocol Specification (Release 8)” May 2008 (33 pages).
  • 3GPP TS 36.321 V8.2.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) Protocol Specification (Release 8)” May 2008 (32 pages).
  • 3GPP TS 36.321 V8.3.0 “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Medium Access Control (MAC) Protocol Specification (Release 8)” Sep. 2008 (36 pages).
  • 3GPP TS 36.331 V8.0.0 (Dec. 2007) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Dec. 2007 (56 pages).
  • 3GPP TS 36.331 V8.1.0 (Mar. 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Mar. 2008 (122 pages).
  • 3GPP TS 36.331 V8.2.0 (May 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” May 2008 (151 pages).
  • 3GPP TS 36.331 V8.3.0 (Sep. 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Sep. 2008 (178 pages).
  • 3GPP TS 36.331 V8.4.0 (Dec. 2008) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Dec. 2008 (198 pages).
  • 3GPP TS 36.331 V8.5.0 (Mar. 2009) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Mar. 2009 (204 pages).
  • 3GPP TS 36.331 V8.6.0 (Jun. 2009) “3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource Control (RRC); Protocol Specification (Release 8)” Jun. 2009 (207 pages).
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Patent History
Patent number: RE48478
Type: Grant
Filed: Nov 28, 2017
Date of Patent: Mar 16, 2021
Assignee: EVOLVED WIRELESS LLC (Austin, TX)
Inventors: Sung Jun Park (Gyeonggi-do), Young Dae Lee (Gyeonggi-do), Sung Duck Chun (Gyeonggi-do), Myung Cheul Jung (Gyeonggi-do)
Primary Examiner: Matthew E Heneghan
Application Number: 15/824,609
Classifications
Current U.S. Class: Correlative Or Matched Filter (375/343)
International Classification: H04W 36/00 (20090101); H04W 74/00 (20090101);