Abstract: A method and apparatus for fast interference signaling is provided. The method may include configuring, by an evolved node B (eNB), at least one user equipment to indicate to the eNB when an activity state of at least one interferer changes. Based on the indicated activity state, the eNB can schedule the at least one user equipment in muted subframes of the interferer or almost blank subframes (ABS).

Abstract: In order to solve problems arising when a communication system such as a wireless LAN is constructed as a decentralized distributed type network without a relationship of control station and controlled stations such as a master station and slave stations, in a wireless communication system composed of a plurality of communication stations without a relationship of control station and controlled stations, respective communication stations transmit beacons with information concerning a network written thereon with each other to construct the network, and it becomes possible to make sophisticated judgment such as communication states of other communication stations by those beacons.

Abstract: Systems and methods for designing, using, and/or implementing superframe coordination in beacon-enabled networks are described. In various implementations, these systems and methods may be applicable to Power Line Communications (PLC). For example, a method may include implementing a Media Access Control (MAC) superframe using a communication device. The MAC superframe may include a plurality of beacon slots, a plurality of Contention Access Period (CAP) slots following the plurality of beacon slots, a Contention Free Period (CFP) poll access slot following the plurality of CAP slots, a CFP slot following the CFP poll access slot, an inactivity period following the CFP slot, a beacon region following the inactivity period, and a communication slot following the beacon region. The method may also include communicating with another communication device using the MAC superframe.

Abstract: A method for HSPA DL feedback signaling using UL LTE subframes is described. The method includes composing UL feedback signaling for individual ones of a plurality of received DL HSPA carriers, each carrier having an associated carrier index. The UL feedback signaling is composed in accordance with a mapping configured to distribute the UL feedback signaling over a plurality of UL LTE subframes based at least in part on the associated carrier indices. The method also includes transmitting the UL feedback signaling on the plurality of UL LTE subframes. Apparatus and computer readable media are also described.

Abstract: A mobile communication method according to the present invention includes the steps of: (A) notifying, from a first radio base station (MBS) to a second radio base station (FBS), scheduling information including information specifying a radio resource for a control channel through which a first mobile station (MUE) that is in communication in a first cell under the control of the first radio base station (MBS) transmits downlink control information or uplink control information, when the first radio base station (MBS) assigns the radio resource; and (B) assigning, at the second radio base station (FBS), a radio resource for a control channel through which a second mobile station that is in communication in a second cell under the control of the second radio base station (FBS) transmits downlink control information or uplink control information based on the scheduling information.

Abstract: A beacon with a transceiver for radio communication with vehicle OBUs of a road toll system, wherein the transceiver has a directional antenna and is configured to communicate wirelessly with OBUs on a selected channel directed via the directional antenna wherein the transceiver is additionally equipped with an omnidirectional antenna and is configured to transmit, before the beginning of a directional radio communication, by means of the omnidirectional antenna a channel reservation message and/or to check, before the beginning of a directional radio communication, by means of the omnidirectional antenna whether the selected channel is free.

Abstract: A method of resource reservation with service guarantee in terms of throughput and deadline at the level of the N nodes of a radio network using time slots to send and transmit data is disclosed, which implements a global reservation process in which a reservation message sent uses at least one of the following two parameters: the maximum deadline required to access the radio medium, the minimum throughput required in order to satisfy the service guarantee. A dynamic time slot allocation scheme is used that is defined in the following manner: the N nodes each include K slots, including a control slot, P elastic slots and (K-1-P) session slots, and the (K-1-P) session slots are amalgamated for the allocation of resources required by a node at a given instant.

Abstract: A system and method of reserving bandwidth for disjoint time intervals in a wireless network. Parameters for a disjoint network allocation vector (NAV) define a reservation of a plurality of disjoint time durations during which transmissions by devices other than a target device are deferred. Parameters are sent as a control or data packet over a network and received by the devices associated with the network.

Abstract: A method, apparatus and computer program product for enhancing redundancy in a wireless system using location attributes is presented. A First Network Device (FND) receives a discovery message from an Access Point (AP). The FND comprises either a Wireless Controller (WC) or a Wireless Switch (WS). The FND uses the location information associated with the AP to determine how many other APs from a same locality are currently allocated to at least one FND, and assigns the AP to a least loaded FND in the locality.

Abstract: Access to a femtocell can be controlled as part of handover of a mobile device from macrocell to femtocell. Macro network platform issues a handover (HO) request towards femto network platform and a single virtual femto node, which represents a plurality of femto access points (APs). Location estimate(s) for the mobile device drives selection of a target femto AP. Selection of the target AP results in acceptance of the HO request. The mobile device also can request macro-to-femto (MTF) handover. HO neighbor list(s) is generated by decoding a network-issued identifier for each femto APs in a set of femtocells, and selectively ranking each femto AP based at least on channel quality; access privileges of the mobile device to each of the identified femto APs determines selectivity. Validation of mobile device's access right(s) drives acceptance of the MTF HO request to a top ranked femto AP.

Abstract: A method includes receiving an instruction to cease transmission of frames over a first channel and receiving an indication of a second channel. The instruction and the indication are received at a first device from an access point device via the wireless network. The method includes establishing a direct link with a second device using the second channel.

Abstract: The present invention, generally speaking, provides for sharing of bandwidth of a shared medium between multiple devices. In one embodiment, the shared medium is structured in accordance with a frame or superframe structure, each frame or superframe having medium access slots of specified time duration defined therein, groups of N contiguous medium access slots defining different allocations zones, groups of M medium access slots defining coordinated sets of medium access slots, wherein the medium access slots of a coordinated set belonging to different allocation zones are equally spaced in time. A device identifies a reservation as regular or irregular, wherein a regular reservation causes the entire medium access slots in one or more coordinated sets to be allocated. In the case of either a regular or an irregular reservation, allocating medium access slots such that a number of unallocated contiguous medium access slots within each allocation zone is maximized.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in which a UE is equipped to receive first peer-to-peer communications using a first network communication channelization and a waveform, and transmit second peer-to-peer communications using a second network communication channelization and the waveform. Further, the UE may be equipped to map one or more channels in the second peer-to-peer communications to one or more uplink channels and/or downlink channels in the second network communication channelization. The second network communication channelization may include an LTE uplink/downlink channelization. The waveform may include OFDM or SC-FDM.

Abstract: A terminal is operable to transmit and receive CQI in a broadband wireless communication system. An operating method of the terminal for transmitting a CQI in a broadband wireless communication system includes requesting a band Adaptive Modulation and Coding (AMC) subchannel to a base station; after requesting the band AMC subchannel, transmitting a broadband CQI to the base station over a first control channel; and transmitting a first differential CQI relating to a band AMC allocated using the broadband CQI, over a second control channel. Thus, the overhead in the CQI feedback can be minimized and the CQI reception performance can be enhanced through the most robust encoding.

Abstract: The present specification describes techniques for packet exchange arbitration. In some embodiments, a request is maintained to an arbiter at least until a packet exchange has been communicated and/or at least until a time-sensitive packet is communicated. In some other embodiments, a grant of a request is delayed at least until the communication of an isochronous packet.

Abstract: Methods for allocating spectrum resources among a plurality of devices in a wireless communication network are disclosed. In one aspect, an estimated number of resource blocks required by a first device and an estimated number of resource blocks required by a second device are determined. The required number of resource blocks may be determined by considering the number of resource blocks that would be necessary to empty the buffer of a first device and/or determining the number of resource blocks that would be sufficient to cause the first device to become power limited. These estimates may then be used to calculate first and second utilization weights, which can in turn be used to calculate scheduling entity weights for a plurality of scheduling entities, such as UEs in the communication network. Allocation may be based on the scheduling entity weights, utilization weights, and/or the required number of resource blocks.

Abstract: Random access coverage is assured while at the same time supporting high uplink data rates in a same service area served by a base station. A set of radio resources are shared by multiple mobile terminals for transmitting uplink to the base station including requests for access to service from the base station and transmissions for active connections with the base station. A first repeating time period and a second different repeating time period are defined. Uplink transmission grants are scheduled for active connections that permit use of a greater amount of the radio resources during the first repeating time period. Uplink transmission grants are also scheduled for active connections that permit use of a smaller amount of those resources during the second repeating time period. At least some random access requests to the base station are controlled to occur only during the second repeating time period.

Abstract: Control information communicating apparatus and method in Broadband Wireless Access (BWA) system are provided. A Base Station (BS) includes a manager for managing UL control region allocation information of adjacent BSs; a scheduler for scheduling resources and controlling periodic transmission of UL control region allocation information when a UL control region of the BS is the same as UL control regions of the adjacent BSs; and a control information generator for periodically generating the UL control region allocation information under the control of the scheduler.

Abstract: A method and device of sending Buffer Status Reports (BSRs) are provided herein. The method includes: determining the type priority sequence of BSR by a user terminal, and selecting and processing one BSR based on the type priority. A user device is also provided. In the process of implementing the provided method and device, the terminal may select and process one BSR when the sum of the BSR qualified for triggering the sending and the BSR marked as pending is greater than one. The provided method and device may reduce resource waste because there is no situation that at least two BSRs sending processes are triggered at one time and at least two BSRs are sent at one time.

Abstract: A method for wireless communication comprises a donor enhanced Node B (eNB) transmitting system information for a subframe structure to a relay node (RN), which information comprises radio resource configuration and/or timing information for uplink backhaul transmission. The RN uses an automatic method to select the Round Trip Time (RTT) value for the Hybrid Automatic Repeat request (HARQ) on the uplink backhaul (Un) relay link. The RTT value is implicitly determined according to the Un (backhaul) subframe or MBSFN subframe configuration periodicity. The RTT option is signaled by the Un subframe configuration period of the MBSFN Un downlink signals.

Abstract: The present invention provides a method of superimposing data signals and reference signals in a space division multiple access communication system, a base station of the communication system transmitting the first layer resource block and another layer resource block to a terminal using the same time/frequency resources, reference signals in the first layer resource block and reference signals in the other layer resource block being orthogonal to each other, the method including superimposing data signals transmitted in the first layer resource block at positions of reference signals in the first layer resource block, making a spreading sequence of the superimposed data signals orthogonal to a spreading sequence of the reference signals in the first layer resource block. The present invention can effectively use resources consumed under a multiuser MIMO system and drastically improve the system performance.

Abstract: A communications method for retransmission of at least one fragment of a lost or erroneous message from a terminal to a gateway over a communications network comprising a plurality of terminals, communicating over a demand assignment multiple access and comprising a control center allocating the communications resource to the terminals, comprises: detection, by the gateway, of fragments of lost or erroneous messages and, when at least one fragment is detected, notification via the gateway to the control center of the loss of at least one fragment; calculation, by the control center, of a second allocation plan taking into account a new transmission of the fragment; notification by the gateway to the terminal of the loss of the fragment and notification by the control center to the terminal of the second allocation plan; transmission by the terminal of the lost fragment according to the second allocation plan to the gateway.

Abstract: Access for wireless mobile nodes (WMNs) to access points (APs) may be provided via a wireless network where each WMN is associated with a plurality of APs, according to an exemplary embodiment.

Abstract: A method and system for communication between mobile stations in a wireless relay enhanced cellular communication system. One implementation involves providing a communication resource allocation for peer-to-peer (P2P) communication between a pair of mobile stations during a P2P enhanced time frame wherein one mobile station serves a role as a transparent relay station (MRS) and another mobile station serves a role as a peer mobile station in the pair; and delivering resource allocation information comprising communication periods and frequency subcarriers to the pair of mobile stations, for the mobile station pair to conduct P2P communication therebetween in the P2P enhanced time frame.

Abstract: An apparatus and method are provided for operating Hybrid Automatic Repeat reQuest (HARQ) in a mobile communication system. The method includes receiving a number of HARQ processes of a persistent resource allocation and persistent resource allocation interval information; receiving data according to the persistent resource allocation interval information; calculating a HARQ process IDentifier (ID) using the number of HARQ processes of the persistent resource allocation, the persistent resource allocation interval information, and time information; and associating a HARQ process with the calculated HARQ process ID.

Abstract: The present invention relates to a method and to an apparatus for allocating a bandwidth in a wideband wireless communication system. Said method comprises: allocating a bandwidth to an uplink burst area in accordance with the bandwidth request received from at least one terminal; determining whether a preemptive grant bandwidth allocation is enabled or not; determining a preemptive grant terminal if the preemptive grant bandwidth allocation is enabled; and allocating a preemptive grant bandwidth within a residual bandwidth to the determined preemptive grant terminal. By doing this, the present invention can efficiently use the bandwidth of an uplink frame, and shorten the time taken for bandwidth request/approval between a terminal and a base station.

Abstract: There is disclosed a wireless communication apparatus that does not interrupt synchronous communication but can continuously perform the synchronous communication even when an address duplication occurs between the local wireless communication apparatus and a nearby wireless communication apparatus. A plurality of wireless communication apparatuses constitutes an ad hoc network system where they transmit beacons to each other. In the wireless communication apparatus, an address processing part (145) generates a first address, which includes a beacon period slot number corresponding to the position-on-beacon-period of a beacon generated by the local wireless communication apparatus, and a second address assigned at random. A beacon processing part (140) determines whether the second address generated by the address processing part (145) is coincident with a second address at another wireless communication apparatus.

Abstract: Apparatus and method for communication are provided. The apparatus is configured to send a message to a network element, the message including information on the establishment of a device-to-device connection with at least one apparatus; and receive from a network element information regarding a timing reference for paging messages between the apparatuses establishing a device-to-device communication.

Abstract: Disclosed is wireless communication base station equipment in which CCE allocation can be flexibly performed without collision of ACK/NACK signals between a plurality of unit bands, even when wideband transmission is performed exclusively on a downlink circuit. In this equipment, an allocation unit (105) sets up mutually different search spaces for each of a plurality of downlink unit bands, with respect to wireless communication terminal devices that communicate using a plurality of downlink unit bands, and allocates resource allocation information of downlink circuit data destined for the wireless communication terminal devices to CCEs in mutually different search spaces for each of the plurality of downlink unit bands, and an ACK/NACK reception unit (119); extracts a response signal in respect of the downlink circuit data from the uplink control channel associated with the CCE to which the resource allocation information of this downlink circuit data was allocated.

Abstract: Provided is a large range management device (LRMD) of managing a communication between a plurality of small range devices (SRDs) and a plurality of large range devices (LRDs), the SRDs and the LRDs being located in a single cell and having different transmission coverage, the LRMD including an access slot allocation unit to allocate an SRD access slot to a radio resource for a downlink, to enable a first SRD to request an association from a network, a selection unit to select a communication relay device for relaying relay data of the first SRD, a relay slot allocation unit to allocate at least one SRD relay slot to a radio resource for an uplink, to enable the communication relay device to relay the relay data to a second SRD or another LRD, and a receiving unit to receive the relay data based on the at least one SRD relay slot.

Abstract: Embodiments describe a varied transmission time interval in wireless communication system. According to some embodiments is a method for assigning a transmission time interval. The method can include measuring a channel condition and/or a data rate of packet communicated by at least one wireless device. Based in part on the data rate and/or channel condition information, a determination can be made whether to schedule a long transmission time interval or a short transmission time interval to the packet. A long transmission time interval can be scheduled if the channel condition is poor and/or there is a low data rate. A short transmission time interval can be scheduled if the channel condition is good and/or the data rate is high or fast. The method can be repeated for multiple wireless devices. Also included is an alternative interlacing structure that supports both long transmission time intervals and short transmission time intervals.

Abstract: Techniques for controlling discontinuous transmissions in a wireless communication system are described. A method and apparatus for transmitting data on an uplink includes tracking past performance of at least one of an uplink channel condition and uplink system resources. A prediction of a likelihood of a completed or successful data transmission is performed. A long preamble is transmitted with an uplink control channel when the prediction indicates a likelihood of completion of the data transmission. When past performance indicates an unlikelihood of completing the transmission of the data, then the discontinuous mode is maintained without data transmission.

Abstract: The invention relates to systems and methods for spectrum sharing and communication among several wireless communication networks with overlapping service areas (or cells), especially to Wireless Regional Area Networks (WRANs). Particular embodiments of the invention disclose using a conference channel to communicate between base stations. Other embodiments use slotted coexistence windows within frames to transmit and receive information, including for reserving transmission times within subsequent frames.

Abstract: A wireless communication system provides for a random access channel (RACH) procedure for user equipment (UE) to request access to an uplink channel. From a physical layer perspective, an evolved Base Station (eNB) responds with a random access preamble and a random access response (RAR) of a fixed length message, such as 21 bits or 20 bits with a reserved bit for future extensions. In answer to a need that exists for an RAR to accommodate variations in system bandwidth, an approach to encoding a truncated resource block (RB) assignment of the RAR in manner in which the UE can interpret the RAR without loss of information. Thereby, needs for achieving RACH procedures and existing channel resources can be realized.

Abstract: A protocol for resolving shared spectrum contentions in cognitive radio wireless access networks is presented. Using medium access control level messaging a request for access to a shared spectrum is conveyed to the current occupier of the spectrum. Each request is associated with a unique and random spectrum access priority number. At the end of a request window the priority numbers associated with each request are compared and a winner is declared. The winning cell, informed of its newly gained access to the shared spectrum, sends a reply to the current occupier of the shared spectrum with a proposed time of acquisition/release of the shared spectrum. The proposed time is confirmed and announced, and upon arrival of the designated time the shared spectrum is released by the current occupier of the shared spectrum and acquired by the requesting cell.

Abstract: A method and a wireless communication device to overcome a hidden node problem in a BSS The method includes detecting that transmitting one or more data frames causing one or more nodes of an unsynchronized wireless communication network to become hidden nodes. The wireless communication device that causes the hidden node problem requests a time allocation for transmitting one or more data frames to at least one node of the unsynchronized wireless communication network and to transmit the one or more data frames using an antenna beam forming technique at the allocated time frame.

Abstract: A network including a plurality of nodes each configured as transmitters, receivers, or transceivers. At least one of the nodes may be configured to wirelessly transmit a repeating isochronous signal for reception by one or more of the other nodes. The isochronous phase and/or frequency of the repeating isochronous transmission may be variably adjusted to reduce signal interference.

Abstract: Methods and apparatus related to partitioning traffic segments are described. An access router, having concurrent connections with two access terminals and desiring to transmit traffic signals to the two access terminals in the same traffic segment, partitions a traffic segment. The partition is such that a first portion of the traffic segment is allocated to a first access terminal and a second portion of the traffic segment is allocated to the second access terminal. Control information, e.g., identifying partition portion assignments, data rate and/or coding information, is also communicated in the traffic segment as in-band control signaling. An access terminal, to which some of traffic signals are directed, receives and recovers the in-band control signaling, identifying its allocated partition portion of the traffic segment and identifying data rate and/or coding information used.

Abstract: IP data is multicast from one or more servers (4) in sessions through a network (N) comprising a plurality of routers (R) in a multicast tree to transmission sites (S) of a DVB-T network, where the data is encapsulated by IPEs 28 and transmitted uni-directionally to mobile user equipment (UE). A controller (38) builds up a schedule of session data concerning sessions transmitted by the servers (4) and instructs the IPEs to send join messages to receive data for selected sessions. The join messages may include the address of the source and may be transmitted in good time before the start of the session.

Abstract: A communication method for a mobile communication system is described. Available radio resources, i.e. an available frequency band, are divided into a plurality of comparatively small radio resource units. The mobile communication system uses a first communication protocol for communicating with mobile stations compatible with the mobile communication system. For communicating with an autonomous terminal at least one radio resource unit is allocated, in which a second communication protocol incompatible with the first communication protocol is used for communicating with the terminal.

Abstract: A system and method for medium access control in a wireless communication network including the use of packets having a header and plural data portions, acknowledgement request features, corrupt packet identification, and adaptive duty cycling.

Abstract: A method of signaling in a wireless communication system (300) comprising a first network element (310) serving a wireless communication unit (325) with at least one packet data network (PDN) connection. The method comprises transmitting, by the first network element (310) to the wireless communication unit (325), a signaling message relating to a wireless communication unit (325) uplink (UL) PDN transmission, where the signaling message comprises a parameter indicative of at least one aggregate maximum bit rate (AMBR) value.

Abstract: When wireless communications are made between a first wireless device and a second wireless device along a route, two wireless devices which exist between the first and second wireless devices each determine the lowest maximum transmission rate (11 Mbps) in the wireless intervals on the route from themselves to the second wireless device to be their own transmission rate txRate (11 Mbps) and two other wireless devices which exist between the first and second wireless devices each determine the lowest maximum transmission rate (54 Mbps) in the wireless intervals on the route from themselves to the second wireless device to be their own transmission rate txRate (54 Mbps).

Abstract: Aspects describe communications environments in which femtocell capability is provided to devices within the communications network. A non-femto enabled device and/or a femto enabled device can communicate with a femto enabled device in the same geographical area for femto-enabled peer-to-peer communication. Two non-femto enabled devices can be provided femto functionality through utilization of a femto enabled device, which operates as a hub between the two devices. Other aspects relate to enhanced position determination, adaptive coverage enhancement, local mobile networks, open access femtocells without a backhaul, and local broadcast of media though utilization of femto enabled devices.

Abstract: Provided is a communication device mounted in a vehicle or disposed at the roadside, which can adaptively and efficiently manage positional information relating to directly communicable surrounding in-vehicle communication devices and surrounding roadside communication devices and can stably transmit information to a specified communication destination even when the positional relationship between vehicles frequently changes.

Abstract: A method of assigning network resources between network endpoints includes providing a session initiation request to an application manager. The application manager is logically and physically decoupled from an application server associated with the network endpoints. This request initiates communication between the network endpoints through the set of network resources. The communication employs an application residing on an application server. The method also includes providing a PCMM message from the application manager to a policy server as a result of the session initiation request. The PCMM message includes at least some information, for example QoS information, embedded in the session initiation request. The method further includes selecting, via the policy server, a set of network resources for creating a path connecting the network endpoints. The policy server selects the set of network assets based on the PCMM message, for example to set QoS for the communication between the two endpoints.

Abstract: A method is provided for triggering migration of call session state information. The method includes determining whether to migrate a network access agent associated with an access terminal in a wireless communication system based on at least one of mobility information associated with the access terminal and status information associated with the wireless communication system.

Abstract: The present invention relates to a method and apparatus in which an Automatic Identification System (AIS) accesses a radio channel. The present invention includes selecting a slot on which a packet is to be transmitted on at least one radio channel, temporarily sending a first carrier, notifying other AISs that the selected slot has been selected by the AIS, on the selected slot in transmission mode, and after temporarily sending the first carrier, detecting a second carrier transmitted by another device on the selected slot in reception mode. In accordance with the present invention, the AIS temporarily sends a first carrier, notifying other AISs that a selected slot has been selected by the AIS, on the selected slot prior to the detection of a second carrier, and another AIS accessing the same slot detects the first carrier temporarily transmitted. Accordingly, a collision between channels can be avoided.

Abstract: Channel reservation in time division duplex for devices in systems involving, for example user devices and access points, may be accomplished using channel reservation request messages, such as request-to-send (RTS) messages and channel reservation grant messages, such as clear-to-send (CTS) messages. A method for channel reservation may include preparing a frame including at least one channel reservation request message and at least one channel reservation grant message. The preparing may include multiplexing the at least one channel reservation request message and the at least one channel reservation grant message at least by frequency-division multiplexing. The method may also include transmitting the frame from a first node to a second node, wherein the channel reservation request message and the channel reservation grant message relate to communications between the first node and the second node.

Abstract: A reference signal transmission scheduling device, which performs scheduling on uplink transmission of a reference signal (SRS) from a mobile terminal to a base station in a wireless communication system, is designed to appropriately allocate an SRS transmission resource to the mobile terminal in consideration of the current circumstances of the mobile terminal. Herein, the maximum value of an SRS bandwidth is calculated based on the maximum transmission-enabled power of the mobile terminal, while the minimum value of the SRS bandwidth is calculated based on the mobility of the mobile terminal. Additionally, the SRS bandwidth, which is actually used by the mobile terminal subjected to SRS transmission resource allocation, is determined within the range between the maximum value and the minimum value of the SRS bandwidth.