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| Number | Title | Issue Date |
| 8179869 | Redundant multicast service in wireless network In a wireless network in which the base station has full duplex capability (can transmit on the downlink channel and simultaneously receive on the uplink channel), but the mobile stations have only half duplex capability (each can transmit on the uplink channel and ... | 05/15/2012 |
| 8179868 | Site diversity operating method and program In a site diversity operating method in which a channel is divided into a plurality of slots by time division multiple access, and voice and data are transmitted between controlling stations and controlled stations via a plurality of sites through the slots whereby ... | 05/15/2012 |
| 8169981 | Method and mobile station for controlling communication via a radio link A method (400) and a mobile station (160) for controlling communication via a radio link based on a multi-slot based power class designation are described herein. The mobile station (160) may provide a multi-slot based power class designation to... | 05/01/2012 |
| 8165100 | Time division duplexed digital distributed antenna system A Time Division Duplexed (TDD) digital distributed antenna system (DDAS) that performs simulcast distribution to multiple simulcast groups while using TDD time advanced burst to negate the data rate reducing effects of transport delays. The User Plane data is adapte... | 04/24/2012 |
| 8139550 | Apparatus and method for transmitting ACK/NACK messages in a wireless communication system A base station for use in wireless network that communicates with subscriber stations according to a multicarrier protocol. The base station receives an uplink subframe comprising a plurality of blocks. Each of the blocks comprises up to N subcarriers transmitted by... | 03/20/2012 |
| 8130731 | Method, network nodes and system for broadcast transmission of data Disclosed are methods for broadcast transmission of data in frames having multiple time slots, from one transmitting node to multiple receiving nodes in a network, having the following steps: The sending out of at least one broadcast request message from the transmi... | 03/06/2012 |
| 8121097 | Transmission with hopping for peer-peer communication Techniques for transmitting signals using time hopping or time and frequency hopping are described. In one design, a terminal selects different slots to use for transmission in multiple frames with time hopping. Each frame includes multiple slots, and each slot cove... | 02/21/2012 |
| 8116284 | Method, device and system for temporarily selecting a timeslot Temporarily selecting a TDMA timeslot by a radio communication device to thereby allow the radio communication device to communicate, through at least one repeater station, with a talkgroup of other radio communication devices is disclosed. The radio communication d... | 02/14/2012 |
| 8102822 | System and method for random access scheme in a wireless ad-hoc network A system and method for random access scheme in a wireless ad-hoc network is disclosed. In one aspect, the method comprises transmitting data to a receiving node in a wireless ad-hoc network in a first time block previously reserved for transmission. The method furt... | 01/24/2012 |
| RE43107 | Method of allocating transmission channels to a mobile station, in particular in duplex mode, in a mobile packet-mode telecommunications network A method of allocating data transmission channels to a mobile station, in particular in half-duplex mode, in a mobile telecommunications network of the type using packet mode and having multiple access by multiplexing transmission channels, in which method the trans... | 01/17/2012 |
| 8098636 | Radio transmission apparatus and radio transmission method A radio transmission apparatus and a radio transmission method for readily controlling retransmission timing presets a frame cycle for retransmission, and transmits only packets for which no acknowledgement of receipt has been received within the frame cycle as a re... | 01/17/2012 |
| 8094628 | Half-duplex terminal operation in a full-duplex network A method for communication includes deploying a half-duplex terminal in a wireless full-duplex communication network configured to permit simultaneous transmission of downlink paging messages and uplink access messages between a base station and full-duplex mobile t... | 01/10/2012 |
| 8094627 | Method for the support of high bit rate services in a mobile communication system One object of the present invention is a method for the support of high bit rate services in a mobile communication system, said method comprising a step wherein a network entity signals to a Mobile Station, according to signalling procedures used in case of access ... | 01/10/2012 |
| 8085739 | Quality dependent data communications channel A data channel to transmit data from a transmitter to one or more of a plurality of receivers, each of which intermittently reports to the transmitter its reception quality of signals transmitted by the transmitter. The transmitter transmits the data in frames which... | 12/27/2011 |
| 8064411 | Speculative power save In an example embodiment, a method for speculative power saving. The beginning portion of a header (e.g. a physical layer convergence protocol “PLCP” header of a beacon) is processed to determine whether a predefined bit is set that indicates whether the frame c... | 11/22/2011 |
| 8059618 | Portable information device A portable information device includes first and second enclosures and a hinge portion connecting those enclosures. The first enclosure has: an antenna; a plurality of active circuits for predetermined frequency bands; a first circuit that demultiplexes reception si... | 11/15/2011 |
| 8059619 | Mobile communication system and a mobile station, a base transceiver station and a method for use therein A mobile communication system (100) includes an infrastructure (121) including at least a first base transceiver station (123) and a plurality of mobile stations (101, 103), wherein each of the mobile stations is operable to detect interf... | 11/15/2011 |
| 8054811 | Method for scheduling packet data transmission In a packet data transmission and reception system, a media access control (MAC) message is broadcast by a base station to a plurality of mobile stations. The MAC message contains packet data transmission scheduling information which allows the base station to preem... | 11/08/2011 |
| 8040857 | System and method for timeslot and channel allocation A distributed multi-channel TDMA MAC time slot and channel allocation algorithm for wireless networks is provided. The time slot and channel allocation includes a distributed allocation phase and an allocation adjustment phase. Each phase begins allocation at a firs... | 10/18/2011 |
| 8023475 | Synchronization for extending battery life The present invention discloses a method and system for efficiently supporting data calls to WTRUs in systems that also support telephony. Various types of data is transmitted on a known schedule which is tightly synchronized to a predetermined time frame. The WTRUs... | 09/20/2011 |
| 8014365 | Method and a device for transferring signalling information in a TDMA based system A method and a device for transferring signalling information in a TDMA based system. Temporal alignment of values for a retransmission number parameter (R) with the TDMA frame structure is determined on the basis of which a first radio packet to be sent in a number... | 09/06/2011 |
| 8009639 | Feedback control in an FDD TDD-CDMA system Active control feedback between a base station and user equipment in a wireless communications network is achieved by allocating a first time slot within a frame for a UE to transmit a beacon signal to the base station, where the beacon signal is separate from data ... | 08/30/2011 |
| 8005052 | Radio resource allocation system and roadside equipment A radio resource allocation system in which equipment placed on a road allocates a radio resource to in-vehicle equipment that exists in a given area is provided. The radio resource allocation system includes the in-vehicle equipment mounted on a vehicle that commun... | 08/23/2011 |
| 8005053 | Channel interference reduction A method for data transmission over first and second media that overlaps in frequency includes computing one or more time division multiple access (TDMA) time-slot channels to be shared between the first and second media for data transmission; allocating one or more... | 08/23/2011 |
| 8000307 | Radio network communication system and protocol A communications system and protocol for a radio communications network including a number of transceiver devices. The protocol ensures that network variables to be shared by all devices are correctly received and updated by all devices. The protocol also provides f... | 08/16/2011 |
| 7990933 | Method for avoiding interference in a digital communication system A technique for time domain avoidance of communications link interference sources characterized by intermittent, periodic short bursts of energy. A transmitting source can be assigned two time slots within a time domain multiple access data frame over which each dat... | 08/02/2011 |
| 7990934 | Low power digital media broadcast receiver with time division Systems and methods for providing a low power receiver device using fine grained time division are provided. In one embodiment, the receiver device comprises a tuner, a demodulator configured to demodulate at least one sampled signal, a payload processor configured ... | 08/02/2011 |
| 7974246 | Adaptive time division multiple access systems and methods A method for exchanging information within a radio communications system includes establishing communications between radio systems utilizing a carrier sense multiple access mode during a period of lower traffic load on the radio communications system and establishi... | 07/05/2011 |
| 7969949 | Method and base station for bandwidth allocation in wireless single-hop self-backhaul networks The present invention discloses a method and a base station for allocating bandwidth for subscriber stations and a backhaul station through taking into joint consideration uplink and down bandwidth requests from respective subscriber stations in a wireless single-ho... | 06/28/2011 |
| 7961689 | Method and apparatus for determining an end of a subframe in a TDD system A method for determining an end of a first period in which signals are communicated in a first direction is provided. The method comprises sampling a signal for a period of time up to at least as long as the longest expected length of the first period to obtain a sa... | 06/14/2011 |
| 7944895 | Methods and apparatuses for allocating time slots to circuit switched channels The present invention relates to methods and apparatuses for allocating time slots to circuit-switched channels established to comprise one or more respective time slots in a recurrent frame of a time division multiplexed network. According to the invention, a time ... | 05/17/2011 |
| 7903619 | Control system and multiple access method in wireless communication system A multiple access method in a wireless communication system using a plurality of multiple access techniques is provided. When a call is established with a wireless terminal, the terminal transmits a duplexing mode determination factor to the base station to set a ti... | 03/08/2011 |
| 7889704 | Method for improving efficiency in a time sharing network The present invention provides methods for improving the performance and efficiency of time sharing wireless networks by reducing collisions, eliminating wasted bandwidth caused by unnecessary gaps between transmissions, and reducing the amount of control informatio... | 02/15/2011 |
| 7885241 | Receiving apparatus LCCH steal receiving is done by a receiving unit which uses TDMA method without overloading to the control processor. A UW detecting unit 10 for detecting a UW by setting a UW expected value for control channel according to a timing signal TM3 from a L... | 02/08/2011 |
| 7885240 | Hybrid time division multiple access (TDMA)-carrier sense multiple access (CSMA) medium access control (MAC) for multi-hop ad hoc networks A hybrid TDMA-CSMA MAC protocol is provided for allocating time slots within a frame having a structure in which transmission time is divided into a first number of actual TDMA time slots and a second number of “virtual” CSMA time slots. Each of the nodes in a m... | 02/08/2011 |
| 7876734 | System and method for transmitting/receiving signal in a communication system A system and method for transmitting/receiving a signal in a communication system are provided, in which a transmitter determines to change a transmission time of a superframe header, when a structure of a superframe is changed, determines the transmission time of t... | 01/25/2011 |
| 7864740 | System for minimizing signaling overhead in OFDMA-based communication systems A system of physical layer packet format and signaling methods is disclosed, wherein signaling overhead is minimized in applications where multiple users share air interface resources; improving efficiency in orthogonal frequency division multiplexing (OFDM) and ort... | 01/04/2011 |
| 7860066 | Adaptive scheduling for multi-carrier systems A scheduler in a base station determines or estimates a cumulative throughput based on the scheduling criteria used by the base station. Based on the cumulative throughput for each slot, the mobile terminals are divided into one of two groups. The first group is pro... | 12/28/2010 |
| 7855997 | Long range scheduling for directional antenna manet networks Method and apparatus for scheduling time division multiple access (TDMA) communications among a plurality of peer nodes arranged to form a wireless ad hoc mobile network. The peer nodes communicate with each other using directional antennas and a TDMA process. The m... | 12/21/2010 |
| 7839831 | Methods and apparatus for time tracking using assistance from TDM pilots in a communication network Methods and apparatus for time tracking using assistance from TDM pilots in a communication network. In an aspect, a method is provided for time tracking in a device operating on a communication network, wherein the device performs a time tracking algorithm. The met... | 11/23/2010 |
