Abstract: Some embodiments provide a method in a wireless device for reporting channel state information, CSI, for a CSI process. The CSI process corresponds to a reference signal resource and an interference measurement resource. According to the method, the wireless device obtains an adjustment value associated with the CSI process. The wireless device estimates an effective channel based on one or more reference signals received in the reference signal resource, and applies the adjustment value to the estimated effective channel, thereby obtaining an adjusted effective channel. Furthermore, the wireless device determines channel state information based on the adjusted effective channel, and on interference estimated based on the interference measurement resource. Finally, the channel state information is transmitted to a network node.

Abstract: An ABS proportion adjustment method and device are provided. In the ABS proportion adjustment method, a macro cell receives the number of interfered UEs and an Almost Blank Subframe (ABS) utilization rate from a micro cell in a coverage of the macro cell; and the macro cell adjusts an ABS proportion according to load information of the macro cell, the number of the interfered UEs under the micro cell and the ABS utilization rate, wherein the load information comprises a Guaranteed Bit Rate Physical Resource Block (GBR PRB) utilization rate and a Guaranteed Bit Rate Downlink Physical Resource Block (GBR DL PRB) utilization rate, and the ABS proportion is a ratio of the number of ABSs in an ABS pattern period to a total number of downlink subframes in the ABS pattern period.

Abstract: Methods and apparatuses are provided for transmitting a signal using a sequence in a wireless communication system. A first sequence used to transmit a first signal in a first channel is determined by performing group-hopping using a pseudo-random pattern over a first group of sequences. A second sequence used to transmit a second signal in a second channel is determined by performing the group-hopping using the pseudo-random pattern over a second group of sequences.

Abstract: A master application device comprises a plurality of distributed transceivers, a central baseband processor, and a network management engine that manages operation of the master application device and end-user application devices. The master application device communicates data streams to the end-user devices utilizing one or more distributed transceivers selected from the plurality of distributed transceivers. The selected distributed transceivers are dynamically configured to switch between spatial diversity mode, frequency diversity mode, multiplexing mode and MIMO mode based on corresponding link quality and propagation environment. Digital signal processing needed for the selected distributed transceivers is performed by the central baseband processor. The network management engine continuously monitors communication environment information to configure beamforming settings and/or antenna arrangement for the selected distributed transceivers.

Abstract: This disclosure relates to techniques for network slice selection. A network slice selection function of a cellular network may receive a network slice selection request from a radio access network node of the cellular network. The network slice selection request may be received by the radio access network node from a wireless device. A core network slice (and possibly a radio access network slice) of the cellular network may be selected for the service request. A network slice selection response may be provided to the radio access network node, indicating a control plane entry point address for the selected core network slice. The selected radio network slice may also be indicated in the network slice selection response.

Abstract: The use of a radio access technology (RAT) may enable wireless communication using one or more node functions at a wireless node, such as a base station or access node. Additionally, multiple wireless nodes may communicate in a network using a schedule that is aligned with a frame structure. For example, a wireless node may establish a link with different wireless nodes using a RAT that supports a synchronized frame structure, such as a millimeter wave (mmW) RAT. The wireless nodes may instantiate one or more node functions, such as an access node function (ANF) and a user equipment function (UEF). The wireless nodes may then communicate according to active and suspended modes using the node functions, where the communication is based on a schedule aligned with the frame structure.

Abstract: A method for transmitting data packets of at least two different priority levels via one or more bearer channels is described. The method comprises the steps of fragmenting a data packet into a plurality of corresponding code words, each code word comprising a sync code, with the sync code being adapted for indicating a priority level of the corresponding data packet, and of transmitting the code words via the one or more bearer channels. In case high priority code words corresponding to a high priority data packet arrive during transmission of low priority code words corresponding to a low priority data packet, the following steps are performed: interrupting transmission of low priority code words, transmitting the high priority code words corresponding to the high priority data packet, and resuming the transmission of the low priority code words via the one or more bearer channels.

Abstract: Aspects of the present disclosure provide a scheduling entity in communication with a set of scheduled entities within a wireless communication network. The scheduling entity groups a plurality of tones into uplink clusters, where each uplink cluster includes one or more adjacent tones. In addition, the scheduling entity maps a first set of uplink clusters to a first virtual cluster group (VCG) for an uplink control channel, assigns the first VCG to a first scheduled entity of the set of one or more scheduled entities, provides a first VCG index identifying the first VCG to the first scheduled entity and receives uplink control information from the first scheduled entity on the first VCG over the uplink control channel.

Abstract: Disclosed is a method of supporting/using Device-to-Device (D2D) communication supporting user equipment (UE) mobility in a wireless mobile communication system. A method and an apparatus for performing D2D communication includes receiving system information of at least one of a serving cell and an adjacent cell of the UE. The method and apparatus for performing D2D communication also includes determining whether cell redirection is required to perform the direct communication based on the system information. The method and apparatus for performing D2D communication further includes performing the cell redirection on the adjacent cell when the cell redirection is required according to a result of the determination.

Abstract: Half duplex (HD) frequency division duplexing (FDD) in a wireless transmit-receive unit (WTRU) using a single oscillator (SO) for uplink (UL) and downlink (DL), which may contribute to reduced costs of implementation. Approaches to the resolution of scheduling issues which may result from increased switching time versus implementations using separate oscillators are discussed, including indication of SO-HD-FDD capability, scheduling for collision avoidance, enhanced node-b (eNB) receiver implementations, link adaptation for missed detected physical downlink control and shared channels, collision handling, DL measurement, and burst based transmissions.

Abstract: The present invention provides an alarm method for a multi-mode base station. The method includes generating, by the multi-mode base station, alarm information in a first operation mode in a first multi-mode operation mode. The multi-mode base station determines that the alarm information is applicable to all operation modes in the first multi-mode operation mode. The multi-mode base station sends the alarm information as public alarm information of the first multi-mode operation mode to a network management system. The present invention further provides a multi-mode base station and a communication system. The present invention is capable of determining a scope of operation modes related to alarm information generated in the multi-mode base station, which is used to manage the alarm information.

Abstract: An apparatus and method is proved that transmits and receives Reference Signals (RSs) in a wireless communication system using Multiple-Input and Multiple-Output (MIMO). A system adapted to the method is provided. The method includes: determining the number of RS transmission to two or more antennas, respectively, as the number of antennas included in respective ports, wherein each port include one or more antennas; creating transmit patterns so that they cyclically differ from each other every the number of RS transmission to transmit the created transmit patterns the number of RS transmission times; and mapping the RSs to one or more antennas according to the created, respective patterns, and transmitting the RSs in order.

Abstract: A method which includes: obtaining, by a controller, at least two transmission paths between a first edge node and a second edge node; obtaining, by the controller according to bandwidths of the at least two transmission paths, a maximum bandwidth provided by a cluster system, where a bandwidth of each of the transmission paths is equal to a smallest bandwidth in bandwidths of all transmission links in the transmission path, and the maximum bandwidth is less than a sum of bandwidths of at least two transmission links connected to the first edge node; and announcing, by the controller, the maximum bandwidth to a node outside the cluster system by using the first edge node and/or the second edge node. According to the method, accuracy of a maximum bandwidth that is announced by a cluster system to a node outside the cluster system can be improved.

Abstract: A method for operating a wireless link in a local area network is described. The wireless link includes a LAN access point, a wireless bridge linked with the LAN access point and a receiver linked with the wireless bridge. The wireless bridge includes a bridge access point and a bridge station. A multicast data connection is established between the LAN access point and the receiver via the wireless bridge by forwarding a multicast data stream, received by the bridge access point from the LAN access point, to the bridge station, restoring the wireless link after a connection loss of the wireless link, and sending a query message by the bridge station to the receiver, when the wireless link is restored.

Abstract: A method for transmitting, by a base station, a demodulation reference signal (DMRS) in a wireless communication system according to one embodiment of the present invention comprises the steps of generating a DMRS sequence; mapping the DMRS sequence to resource elements of respective layers; and transmitting, through respective antenna ports corresponding to the respective layers, the DMRS sequence mapped to the resource elements, wherein if the number of layers exceeds a predetermined number, the DMRS sequence is mapped to the resource elements according to a pattern on at least two bundled consecutive resource blocks.

Abstract: Disclosed is a method of transmitting/receiving a signal by a transmission device in a mobile communication system. The method includes: receiving information related to synchronization signals from a Base Station (BS); transmitting a first synchronization signal based on the received information; and receiving a second synchronization signal corresponding to the first synchronization signal based on the received information. When a UE cannot receive a synchronization signal from the BS or is located beyond a coverage of the BS, or when the BS cannot operate due to an emergency or disaster situation, UEs can configure self synchronization therebetween in a predetermined area without any assistance from the BS and thus broadcast and unicast transmission are possible between the UEs based on the synchronization.

Abstract: The present disclosure discloses a method and device for transmitting ACK/NACK indication information. A network-side device configures at least two carriers for a UE; transmits PDCCH information to the UE; selects one of at least two timing relationships as a first timing relationship; determines a corresponding third uplink subframe and first carrier; indicate related information corresponding to the third uplink subframe and the first carrier to the UE; in the third uplink subframe of the first carrier, determines a first channel resource, and indicates the first channel resource to the UE; and receives an ACK/NACK fed back by the UE on the allocated resource.

Abstract: Systems and methods are described for configuring device to device communication using a plurality of transmission devices. Application requirements may be retrieved for a recipient wireless device, at a source wireless device, wherein the source wireless device transmits data to the recipient wireless device using a device to device transmission. A device to device transmission configuration based on the retrieved application requirement may be determined. Data associated with the recipient wireless device may be transmitted to a number of wireless devices based on the determined configuration such that the number of wireless devices transmit the data to the recipient wireless device as device to device transmissions.

Abstract: Embodiments of the present invention provide an information transmission method and apparatus, including: sending, by a routing apparatus, an IP address of the routing apparatus to an HPCRF entity via a VPCRF entity; receiving via the VPCRF entity, an IP address of the HPCRF entity sent by the HPCRF entity, the IP address of the HPCRF entity is sent after the HPCRF entity receives the IP address of the routing apparatus; and performing communication with the HPCRF entity according to the IP address of the HPCRF entity and the IP address of the routing apparatus. Therefore, information transmitted between the routing apparatus and the HPCRF entity no longer needs to be forwarded by the VPCRF entity, but instead, directly performed between the routing apparatus and the HPCRF entity, thereby reducing signaling overheads and saving network resources.

Abstract: Network information may be discoverable without requiring a connection to that network. For example, Access Network Query Protocol (“ANQP”) may allow a device to discover information about a network prior to the device associating with that network. In other words, ANQP allows a network terminal to request additional network information prior to establishing network capability. The additional network information that may be discoverable includes network latency, cellular capabilities, hotspot capabilities, mobility capabilities, neighbor reports, station identification, and multiple hotspot session identification.