Matches 1 - 50 out of 119 1 2 3 >
Match Document Document Title
US20090318176 Mobile Communication System, Mobile Terminal, Base Station, Radio Network Controller, Information Rate Control Method Therefor and Program Therefor.  
A method according to the present invention comprises determining an available information rate for communication, via a first base station, between a plurality of terminals and a second base...
US20090312044 Channel Estimation, Scheduling, and Resource Allocation using Pilot Channel Measurements  
A wireless communication system is disclosed that includes forming one or more beam patterns by a transmitter at a first time, where the beam patterns are made up of a first set of beam patterns...
US20090312042 INTER-SECTOR MACRODIVERSITY INTERFERENCE CANCELLATION AND SCHEDULING  
The present invention provides a method for interference cancellation in a wireless communication system. One embodiment of a method includes accessing information indicative of one or more first...
US20090305636 METHOD AND ARRANGEMENT FOR INTERFERENCE MITIGATION  
In a method of interference mitigation in a multi user detection capable radio base station in a communication system, which radio base station comprises a set confined detection modules, at least...
US20090304045 Method and Device for Transmitting Data Between a Communication Network Unit and a Plurality of Communication Devices  
A method for transmitting data between a communication network unit and a plurality of communication devices is provided, comprising using a plurality of carrier signals grouped into at least one...
US20090305734 RADIO COMMUNICATION APPARATUS, METHOD AND PROGRAM  
An apparatus includes a unit receiving a first-radio signal indicating a state in which transmission by a SDMA scheme is allowed, a unit determining whether a transmission state is a first state...
US20090298524 Method and Apparatus for Handling Semi-Persistent Transmission Resource  
The present invention provides a method for handling semi-persistent transmission resources in a user equipment (UE) of a wireless communication system. The method includes steps of obtaining...
US20090298522 COEXISTENCE AND INCUMBENT PROTECTION IN A COGNITIVE RADIO NETWORK  
A method ( 300, 400 ) and a communication system ( 104, 106, 200 ) for dynamic RF spectrum allocation among a plurality of RF transmitters ( 108, 110, 112 ). A message can be received from a first...
US20090298523 RADIO COMMUNICATION BASE STATION APPARATUS, RADIO COMMUNICATION TERMINAL APPARATUS, AND RESOURCE BLOCK ALLOCATION METHOD  
Provided is a radio communication base station device capable of obtaining a large multi-user diversity effect while suppressing increase of overhead of a communication signal. The radio...
US20090296639 WIRELESS BASE STATION, CHANNEL ALLOCATING SYSTEM, AND CHANNEL ALLOCATING METHOD  
A wireless base station for allocating one or more communication channels to each terminal so as to perform wireless communication therewith. The wireless base station includes a communication...
US20090291701 Co-existence between radio access units  
In a non-limiting and exemplary embodiment, a method is provided for controlling co-existence of multiple radio access units. The method comprises: receiving a scheduling request comprising value...
US20090290550 SYSTEM AND METHOD TO ENABLE RESOURCE PARTITIONING IN WIRELESS NETWORKS  
Systems and methodologies are described that facilitate improved resource partitioning and interference management in a wireless communication system. Techniques are described herein for the...
US20090279420 BASE STATION APPARATUS, RADIO TRANSMISSION SYSTEM, RADIO BASE STATION PROGRAM, AND TIMING ESTIMATION METHOD  
A base station apparatus ( 100 ) has an FFT unit ( 102 ) which FFT transforms a base station GI deleted signal (S BGID ) obtained by removing a guard interval from a received signal and outputs a...
US20090279445 COMMUNICATIONS SYSTEM, AND BASE STATION AND TERMINALS USED THEREIN  
A communications system of the present invention is an OFDMA system ( 100 ) including a base station ( 10 ) and mobile stations ( 20 ), the base station ( 10 ) communicating wirelessly with the...
US20090275340 UL/DL SCHEDULING FOR FULL BANDWIDTH UTILIZATION  
A method may include receiving, by a user equipment incapable of transmitting and receiving simultaneously, a schedule to transmit data on an uplink, detecting, by the user equipment, whether there...
US20090275352 CYCLIC DELAY DIVERSITY BASED TRANSMISSION WITH DELAY HOPPING  
A method of providing delay information in a multi-antenna transmission system is provided. A time delay value is selected from a set of time delay values. A mobile station is informed of...
US20090258597 METHOD AND APPARATUS FOR PROCESSING RADIO SIGNALS TO IDENTIFY AN ACTIVE SYSTEM IN A COEXISTING RADIO NETWORK  
The present invention discloses a method of multiple systems sensing for coexisting radio networks, including: performing energy detection and carrier locking; detecting the fundamental...
US20090253451 ROBUST WIRELESS COMMUNICATION DEVICE  
A wireless communication device includes a first receiver section and a second receiver section. The first receiver section receives a first probe signal from a first transceiver at time t 1. The...
US20090253449 INTERFERENCE MANAGEMENT MESSAGING INVOLVING TERMINATION OF A REQUEST FOR REDUCTION IN INTERFERENCE  
A set of nodes may communicate in a manner that is asynchronous with respect to the communication between other sets of nodes. To facilitate reservations of resources by different nodes, a node may...
US20090253452 Mobile Communication System, Base Station Device, and Interference Wave Judging Method  
A base station device ( 10 ) for carrying out radio communications with a mobile station device includes: a frequency channel assigning unit ( 12 ) for assigning multiple mutually different...
US20090253450 REQUESTED TRANSMISSION OF INTERFERENCE MANAGEMENT MESSAGES  
A set of nodes may communicate in a manner that is asynchronous with respect to the communication between other sets of nodes. To facilitate reservations of resources by different nodes, a node may...
US20090247203 Method and Apparatus for Improving DRX Functionality  
A method for improving Discontinuous Reception (DRX) Functionality in a user equipment (UE) of a wireless communication system is disclosed. The method includes steps of receiving a Radio Resource...
US20090247202 SYSTEM FOR RANGING BASED ON PARTITIONED RADIO RESOURCE  
A method for ranging in a wireless communication system and a communication apparatus and/or system using the same are provided. A base station (BS) device includes a terminal grouping unit to...
US20090247201 DYNAMIC ALLOCATION OF SPECTRUM SENSING RESOURCES IN COGNITIVE RADIO NETWORKS  
A method, wireless controller, and information processing system are provided to dynamically allocate spectrum sensing resources. A first input ( 804 ) including available sensing session time for...
US20090239563 Method and Apparatus for Improving RRC Connection Procedure  
The present invention provides a method for improving a Radio Resource Control (RRC) Connection procedure in a user equipment (UE) of a wireless communication system. The method includes steps of...
US20090239564 Method and Appartus for Fast Link Setup in a Wireless Communication System  
A method and apparatus for a communication system provide for fast link setup for a mobile station by transmitting a request message, transmitting an assignment message from the base station to the...
US20090233635 Discovering neighbors in wireless personal area networks  
A neighbor discovery protocol enables a network coordinator to provide time periods during which different classes of devices produce training sequences. The coordinator can transmit information...
US20090219944 METHODS AND DEVICES FOR ALLOCATING FREQUENCY RANGES  
A method of allocating frequency ranges to at least one communication device is provided. The method comprises determining available frequency ranges within a plurality of frequency ranges,...
US20090215464 Channel allocating method, wireless communication system, and channel structure of wireless sections  
In a radio communication system, a user terminal transmits a reservation packet to a base station using a common control channel ( 1 ), and the base station assigns an uplink data channel to the...
US20090215482 INITIALIZATION OF A WIRELESS COMMUNICATION NETWORK  
A wireless communication network comprises an association unit and a plurality of stations. At least part of the stations store association information indicative of an associated route for...
US20090207796 METHOD AND APPARATUS FOR ALLOCATING RESOURCES IN WIRELESS COMMUNICATION SYSTEM  
A method and apparatus i.e. Base Station for allocating resources in a wireless communication system is provided. The method includes generating a plurality of first groups of allocation units...
US20090207762 Assigning mobile users in a half-frequency division duplex (HFDD) system to uplink (UL) sub-frames and to downlink (DL) sub-frames  
Methods assigning mobile users in a half-frequency division duplex (HFDD) system to a first UL group and second UL group of an uplink (UL) sub-frame, and to a first DL group and a second DL group...
US20090197623 Base station and know sequence transmitting method  
A disclosed base station transmits data at the same frequency used by neighboring base stations during a first time period, and transmits data at a different frequency from those used by the...
US20090186646 COGNITIVE RADIO COMMUNICATION METHOD FOR CONTROLLING SENSING OPERATION AND COGNITIVE RADIO COMMUNICATION APPARATUS ENABLING THE METHOD  
A cognitive radio communication apparatus and method to control a sensing operation. The cognitive radio communication apparatus includes an information receiver to receive channel state...
US20090181687 Sounding reference signal arrangement  
A method, apparatus, and computer program embodied on a computer-readable medium to create an uplink message to be transmitted to a base station, the created uplink message comprises a sounding...
US20090181709 BASE STATION APPARATUS, BASE STATION HOST APPARATUS, AND COMMUNICATION SYSTEM  
A technique of being capable to decrease the number of times of delivery and receipt of information on a common channel setup between a base station equipment and a base station control equipment....
US20090181710 METHOD AND APPARATUS FOR PERFORMING WTRU STATE TRANSITION WITH ENHANCED RACH IN HSPA SYSTEMS  
A method and apparatus for performing state transition of a wireless transmit/receive unit (WTRU) which supports enhanced dedicated channel (E-DCH) in the CELL_FACH state is disclosed. Uplink data...
US20090176456 METHOD FOR TRANSFERRING POWER INFORMATION USED BY A TELECOMMUNICATION DEVICE FOR WEIGHTING AT LEAST ONE PILOT SIGNAL  
The present invention concerns a method and a device for transferring power information and preferably information related to interference components received by a first telecommunication device...
US20090168732 METHOD AND APPARATUS FOR ALLOCATING CHANNEL RESOURCES IN A WIRELESS COMMUNICATION SYSTEM  
Disclosed is a method for dynamically allocating channel resources in a wireless communication system. A request for a channel resource by a new talkgroup call is received. Whether the new...
US20090161616 RANGING PROCEDURE IDENTIFICATION OF ENHANCED WIRELESS TERMINAL  
A communications network comprises a base station ( 28 ) and a wireless terminal ( 30 ) which communicates over an air interface ( 32 ) with the base station ( 28 ). The base station ( 28 ) makes...
US20090154430 Method of Radio Resource Allocation and Related Communication Apparatus  
A method of radio resource allocation in a wireless communication system includes allocating radio resource to a plurality of logical channels according to a grant, and allowing the plurality of...
US20090156225 Method, apparatus, and computer program product for signaling allocation of neighbor cells  
A method, user equipment, network device, and software product employ indicators from a plurality of respective cells to indicate a difference, if any, regarding allocation in the respective cell...
US20090149208 Method and apparatus to select collaborating users in spectrum sensing  
In a first time interval TI a first frequency band FB is pseudorandomly selected from a designated spectrum, and a first analysis result is determined by sensing the first FB during the first TI...
US20090147756 COORDINATING COMMUNICATIONS AMONG WIRELESS PERSONAL AREA NETWORK DEVICES  
Embodiments of a multi-radio wireless communication device having two or more radio modules are generally described herein. In some embodiments, an initiating link manager may generate and transmit...
US20090143088 Dynamic Allocation of Radio Resources in a Multicarrier Communication System  
Communication carried out over a frequency band divided into a plurality of subcarriers by messages transmitted between a first radio station and a second radio station in a plurality of hops...
US20090135744 OPPORTUNISTIC SPECTRUM SENSING OPTIMIZATION FOR A COMMUNICATION SYSTEM  
A combination of subscriber clustering and link interleaving provides a cognitive radio system (CR) 100 with opportunities to sense an incumbent system's spectrum on secondary basis. The CR...
US20090124275 METHOD AND SYSTEM FOR BANDWIDTH OPTIMIZATION IN A COMMUNICATION NETWORK  
A method for the bandwidth optimization of at least one sector in a communication network is provided. The communication network comprises at least one mobile device ( 106 ) and a base station...
US20090111497 SYSTEM AND METHOD FOR PROVIDING CONGESTION CONTROL IN A COMMUNICATION SYSTEM UTILZIING SCHEDULED ACCESS COMMUNICATION CHANNELS  
A first communication channel is used by a communication unit for communicating with a base site. The first communication channel has an inbound link and an outbound link. The communication unit...
US20090093266 RELAY SYSTEM AND DATA FRAME STRUCTURE FOR THE RELAY SYSTEM  
A structure of a data frame for transmitting data via a relay, and a transmission apparatus and a relay using the data frame are provided. The relay includes: a receiver to receive, from a...
US20090086670 WIRELESS COMMUNICATION SYSTEM  
A signalling method in a frame-based wireless communication system allowing a base station (BS) to inform fixed or mobile subscriber stations (MS) of resource allocations without excessive...
Matches 1 - 50 out of 119 1 2 3 >