Communication system, transmitter, receiver and communication method

System and method providing various pilot sub-carrier densities in OFDMA communications

Method for transmitting reference signals for relay node

Method for acquiring multi-cell specific message in wireless communication system

Method and apparatus for transmitting reference signals in communication systems

Method for transmitting sub-frame designation information to a downlink in a radio communication system

Radio communication device and radio communication method

Signal transmission with fixed subcarrier spacing within OFDMA communication systems

METHOD AND APPARATUS FOR TRANSMITTING PILOT SIGNAL IN A MULTIPLE INPUT MULTIPLE OUTPUT WIRELESS COMMUNICATION SYSTEM

Method of transmitting and receiving a midamble for channel estimation of multiple antennas

Channel estimation method and an associated apparatus

Method and system for Doppler spread and delay spread matching with channel estimation by circular convolution in OFDM communication networks

Method and system for low complexity channel estimation in OFDM communication networks using circular convolution

Signal and noise power estimation

METHOD AND APPARATUS FOR PILOT SIGNAL TRANSMISSION

METHOD AND APPARATUS FOR OBTAINING PORT INDEX INFORMATION

Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal

Method and apparatus for delay spread estimation

Asymmetrical receivers for wireless communication

MMSE method and system

Method for transmitting and receiving data using pilot structure

Method and system for frequency relaying

Multimedia broadcast multicast service (MBMS) utilizing spatial multiplexing

APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL AND METHOD OF TRANSMITTING AND RECEIVING A SIGNAL

Methods to index the preambles in the bandwidth request channel

Pilot signal transmission method and mobile communication system

Method for channel allocating in wireless access system

Base station apparatus and method used in mobile communications system

Method of measuring interference

Frame transmission method in a wireless communication system

Base station, user device, and communication control method

Communication system, communication device and communication method that can improve frequency use efficiency

Method and apparatus for generating ranging preamble code in wireless communication system

System and method for adjusting DIDO interference cancellation based on signal strength measurements

Method and device for mapping the initial location of downlink pilot

Wireless communication system, wireless communication setting method, base station, mobile station, and program

Midamble for wireless networks

Base station, relay station, computing apparatus, and reference signal transmission, allocation, and receiving methods thereof

Method and apparatus for selecting a multi-band access point to associate with a multi-band mobile station

Apparatus and method for estimating I/Q unbalance parameters in OFDM receiver

APPARATUS FOR TRANSMITTING AND RECEIVING A SIGNAL AND A METHOD OF TRANSMITTING AND RECEIVING A SIGNAL

Techniques for estimating channel and interference in OFDM wireless communication system with multiple antennas

Physical layer convergence protocol (PLCP) packet structure for multiple-input-multiple-output (MIMO) communication systems

METHOD AND APPARATUS FOR INTERFERENCE MANAGEMENT IN A WIRELESS COMMUNICATION SYSTEM

Universal transmitter and receiver for the international television bands

Method and apparatus for enhanced channel estimation in wireless communication systems

Mode switching between SU-MIMO and MU-MIMO

Method for allocating dynamic transmit time interval

Methods and apparatus for coordination of sending reference signals from multiple cells

Pilot signal in an FDMA communication system

Wireless communication system, base station, mobile station, and method for determining transmission parameter

Reference signal design for wireless communication system

Base station and mobile station

Methods and apparatus for multi-carrier communications with variable channel bandwidth

Method of transmitting data supporting multiple access

Method and apparatus for transmitting midamble in wireless communication system

Method for channel estimation and feedback in wireless communication system

Timing synchronization and channel estimation at a transition between local and wide area waveforms using a designated TDM pilot

Method of designing a multiplexing structure for resource allocation to support legacy system

Signal transmitting method, signal receiving method and signal receiving device in OFDM system

Receiver and method

Signal receiving apparatus, method, program and system

MOBILE COMMUNICATION DEVICE, BASE STATION DEVICE, RADIO CONTROL METHOD, AND MOBILE COMMUNICATION SYSTEM

Radio communications apparatus, radio communications method, and radio communications system for reducing overhead of a transmit frame

Mobile communication system, base station, user device, and method

Method and apparatus for transmitting SRS in LTE TDD system

Methods and arrangements in a mobile telecommunications system

Reception device, integrated circuit, digital television receiver, reception method, and reception program

Methods and systems for estimating available capacity of a base station within a wireless communications network

Pilot transmission and channel estimation for an OFDM system with excess delay spread

Multi-user detecting method and device of OFDM transmission signal

Channel estimation in a multi-channel communication system using pilot signals having quasi-orthogonal subpilots

Radio communication base station device and correlation setting method

Method for transmitting pilot allocation information to user equipment in a multi-user multiple input multiple output system

DIVERSITY RECEIVING APPARATUS, DIVERSITY RECEIVING METHOD, SEMICONDUCTOR INTEGRATED CIRCUIT, AND RECEIVER

Method to modify the frequency hopping scheme by extending the validity of the reference signals

Wireless communication system, mobile station, base station, and wireless communication method

Method and apparatus for negotiating a multi-carrier configuration in a wireless access system

Method and apparatus for random access in multicarrier wireless communications

Device and method for transmitting random access preamble

Apparatus for transmitting and receiving a signal and method for transmitting and receiving a signal

Digital broadcast service discovery correlation

Method of transmitting reference signal and transmitter using the same

RADIO SIGNAL TRANSMISSION DEVICE, RADIO SIGNAL TRANSMISSION METHOD, RADIO SIGNAL RECEPTION DEVICE, RADIO SIGNAL RECEPTION METHOD, AND RADIO SIGNAL RECEPTION PROGRAM

OFDM transmission/reception device for transmitting and receiving OFDM symbols having a variable data transmission rate and method thereof

PREAMBLE EXTENSIONS

Reference symbol distribution method and apparatus

OFDM COMMUNICATION CHANNEL

Base station and transmission method

Method for sending physical downlink control channel signals in downlink pilot time slot

Method of transmitting reference signal in multiple antenna system

Estimating a signal-to-interference ratio in a receiver of a wireless communications system

Diversity receiving apparatus and diversity receiving method

MIMO-OFDM transmission device, MIMO-OFDM transmission method, reception apparatus and reception method

Communication method, and transmitting apparatus and receiving apparatus using that communication method

Method and apparatus for channel quality measurements

Channel estimating apparatus and method thereof

Transmitter channel throughput in an information network

Radio communication terminal device and radio transmission method

Wireless communication system, transmitting device and receiving device

Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof

Method and apparatus for providing an efficient pilot pattern

Transmission and detection of overhead channels and signals in a wireless network

WIRELESS COMMUNICATION FRAME STRUCTURE AND APPARATUS

Method and apparatus of sending synchronization signals in TDD systems

Reference signals for positioning measurements

Radio communication mobile station device and correlation setting method

Method and apparatus for coordinated MIMO signal transmission among multiple cells in wireless OFDM systems

Using spatial properties of MIMO channels for enhanced channel estimation in MIMO systems

BASE STATION DEVICE, MOBILE STATION DEVICE, COMMUNICATION SYSTEM, CHANNEL ESTIMATION METHOD, TRANSMISSION ANTENNA DETECTION METHOD, AND PROGRAM

Method of signaling particular types of resource elements in a wireless communication system

Methods and apparatus in a wireless communication system

Scattered pilot pattern and channel estimation method for MIMO-OFDM systems

METHOD, SYSTEM AND APPARATUS FOR ASSIGNING PILOT RESOURCES

MULTIPLEXING AND TRANSMISSION OF MULTIPLE DATA STREAMS IN A WIRELESS MULTI-CARRIER COMMUNICATION SYSTEM

PILOT TRANSMISSION METHOD, MIMO TRANSMISSION DEVICE, MIMO RECEPTION DEVICE WHICH PERFORMS COMMUNICATION WITH MIMO TRANSMISSION DEVICE

Method for transmitting data in wireless communication system

OFDMA communication apparatus

Peer-to-peer communication protocol for relay enhanced cellular wireless communication systems

Training symbol format for adaptively power loaded MIMO

Method of transmitting power information in wireless communication system

Apparatus and method for setting pilot subcarrier

Pilot design method, recording medium, and transmission apparatus

Softer and soft handoff in an orthogonal frequency division wireless communication system

Communicating non-coherent detectable signal in broadband wireless access system

Sounding and steering protocols for wireless communications

Method and apparatus for data transmission

Pilot method for 802.16m

Multi-access hybrid OFDM-CDMA system

Method for signal mapping and signal transmission with subcarrier shift schemes

Carrier allocation and time sharing for OFDMA/TDMA networks

Radio communication device and constellation control method

Method and system for mapping pilot signals in multi-stream transmissions

OFDMA with adaptive subcarrier-cluster configuration and selective loading

System and method for dynamic cell selection and resource mapping for CoMP joint transmission

Detection of time-frequency hopping patterns

Mobile user terminal, mobile communication system, base station, and communication method

Method for encoding control information in a communication system, and method and apparatus for transmitting and receiving the control information

Interference randomization of control channel elements

Signal transmission method and system for transmitting signal by using interference control method and/or transmission power control method

CELL DETECTION FOR MOBILE LOCATION WITH GROUPING DIVERSITY

Pilot pattern design for a STTD scheme in an OFDM system

Apparatus and method for channel estimation in wireless communication system

METHOD AND APPARATUS FOR INCREASING THE NUMBER OF ORTHOGONAL SIGNALS USING BLOCK SPREADING

Physical layer structures and initial access schemes in an unsynchronized communication network

WIRELESS TRANSMISSION APPARATUS, WIRELESS RECEPTION APPARATUS, AND TRANSMISSION METHOD

System and method for I/Q imbalance compensation

Radio transmission device, radio reception device, radio transmission method, and radio reception method

COMMUNICATION APPARATUS

Multicarrier transmitting apparatus

Pilot arrangement method in mobile radio communication system and transmitter/receiver adopting same

Method of transmitting feedback message in wireless communication system

Processor and processing method for signal transmission

Method for transmitting sounding reference signal in MIMO wireless communication system and apparatus therefor

Signal transmission apparatus, transmission method and computer storage medium thereof

Determining channel coefficients in a multipath channel

Method of transmitting pilot bits in a wireless communication system

WIRELESS COMMUNICATION SYSTEM, BASE STATION, TERMINAL DEVICE, AND WIRELESS COMMUNICATION METHOD

Methods and apparatus of improving inter-sector and/or inter cell handoffs in a multi-carrier wireless communications system

Method and apparatus for orthogonal pilot tone mapping in multiple-in and multiple-out (MIMO) and spatial division multiple access (SDMA) systems

Transmission device, reception device and radio communication method

Time and frequency channel estimation

Method for data transmission within a communication system, subscriber and communication system

Uplink carrier allocation

Method and apparatus for interference management in a wireless communication system

Method and apparatus for measuring interference in a telecommunications system

Receiver and method for estimating a plurality of estimated transfer functions corresponding to wireless channels in a multiple-input system

Wireless communication method, relay station apparatus, and wireless transmitting apparatus

Reducing the feedback overhead during crosstalk precoder initialization

METHOD AND SYSTEM FOR REFERENCE SIGNAL PATTERN DESIGN IN RESOURCE BLOCKS

Frame and data pattern structure for multi-carrier systems

Technique for transmitting and receiving downlink reference signals

Methods and apparatus for multi-carrier communication systems with adaptive transmission and feedback

Control signaling for transmissions over contiguous and non-contiguous frequency bands

Method of transmitting reference signal and transmitter using the same

Base station apparatus, user apparatus, and method of allocating reference signal sequences

Methods and systems for setting CID mask length of a HARQ-MAP/SUB-MAP pointer IE in WiMAX systems

Apparatus and method for transmitting and receiving uplink sounding signal in broadband wireless communication system

Method for transmitting pilot allocation information to user equipment in a multi-user multiple input multiple output system

CODEWORD GENERATION METHOD AND DATA TRANSMISSION METHOD USING THE SAME

Systems and methods for improving reference signals for spatially multiplexed cellular systems

Method of transmitting control signal in wireless communication system

Semi-static resource allocation to support coordinated multipoint (CoMP) transmission in a wireless communication network

System and method for operating a radio communication apparatus with a communication channel for discontinuous data transmission

Method and apparatus for transmitting pilot in a wireless communication system

Base station and broadcast channel transmission method

Mobile communication system, base station apparatus, user apparatus and method

Forward and reverse calibration for ground-based beamforming

Apparatus and method for allocating resource in a mobile communication system

Method and apparatus for transmitting ACK/NACK

Apparatus and method for transmitting/receiving secondary synchronization channel in a broadband wireless communication system

Method for transmitting codeword

CONTROL DATA COMMUNICATION METHOD AND APPARATUS THEREOF

Method and apparatus for multiplexing data and control information in wireless communication systems based on frequency division multiple access

Method for signal transmission in wireless systems

RESOURCE ALLOCATION METHOD FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING ACCESS SYSTEM

Hearability improvements for reference signals

Method and apparatus for mapping pilot signals in multiplexing mode of unicast and broadcast/multicast services

Wireless communication system using pilot allocation, method and pilot pattern thereof

Downlink subchannelization scheme for 802.16M

Digital data transmitting apparatus and digital data receiving apparatus

Allocation of uplink reference signals in a mobile communication system

Method of reporting channel state

Radio communication system

Channel tracking with scattered pilots

Sampling frequency offset estimation apparatus and method of OFDM system

System and method for subcarrier allocation and permutation

Methods and systems to estimate channel frequency response in multi-carrier signals

Method and apparatus for achieving system acquisition and other signaling purposes using the preamble in an OFDM based communications system

Dynamic link assignment in a communication system

Method and apparatus for allocating sequence to synchronization channel for node identification in wireless communication system

MOBILE COMMUNICATION SYSTEM, BASE STATION APPARATUS, AND MOBILE STATION APPARATUS

METHODS AND SYSTEMS FOR IMPROVED TIMING ACQUISITION FOR VARYING CHANNEL CONDITIONS

Method for transmitting signals for increasing the amount of data transmission

Methods and apparatus to identify the accessibility of femto-base stations in communication systems

Method and system for communicating information in a digital signal

Channel estimation apparatus and method in mobile communication system having dispersed pilot

RADIO COMMUNICATION SYSTEM, BASE STATION, TERMINAL APPARATUS AND PILOT SIGNAL CONTROLLING METHOD

Multi-carrier code dividing multiplex transfer system and method, and receiving device

Communication Systems

Method and arrangement relating to the insertion of pilot tones in the frequency domain in SC-FDMA

COMMUNICATION APPARATUS

Method of transmitting reference signal in wireless communication system

Method of transmitting sounding reference signal in wireless communication system

Base station, mobile station, and synchronization channel transmission method

Transmission method, transmission apparatus, and reception apparatus

Mobile communication system, base station apparatus, and mobile station apparatus

Base station apparatus and method in mobile communication system

Method and system for receiver synchronization

Receiving a pilot design and channel estimation

Method and system to reduce peak to average power ratio in multi-carrier modulation receivers

Method to reduce peak to average power ratio in multi-carrier modulation receivers

Method and System for Receiver Synchronization

Communication processing system, OFDM signal transmitting method, OFDM transmitter, OFDM receiver, and control station

WIRELESS COMMUNICATION SYSTEM, BASE STATION, TERMINAL DEVICE, AND WIRELESS COMMUNICATION METHOD

COMMUNICATION PROCESSING SYSTEM, OFDM SIGNAL TRANSMITTING METHOD, OFDM TRANSMITTER, OFDM RECEIVER, AND CONTROL STATION

Communications methods and apparatus for use in communicating with access routers and/or other devices acting as communications peers

Pilot arrangement method in mobile radio communication system and transmitter/receiver adopting same

Method, data structure and computer system for packing a worldwide interoperability for microwave access (WiMAX) frame

Transmitting apparatus, receiving apparatus, and communication method

OFDM channel estimation method and apparatus

Mobile station, base station, communication system, and communication method

METHOD AND APPARATUS OF GENERATING SIGNALS FOR INITIAL RANGING IN OFDMA SYSTEM

Backward-compatible long training sequences for wireless communication networks

Wireless communication system and wireless communication method

Contention-based access channel design in MIMO OFDM/OFDMA systems

8-transmit antenna reference signal design for downlink communications in a wireless system

Method of allocating reference signals in MIMO system

Method and apparatus for cell search in an orthogonal wireless communication system

Method of transmitting sounding reference signal

Communication systems

Base station apparatus, user apparatus, and method used in mobile communications system

Cellular system, communication path quality measuring method, base station, and mobile station

Null pilots for interference estimation in a wireless communication network

Sequence allocation method in mobile communication system

Local and wide-area transmissions in a wireless broadcast network

Detection and Efficient Use of Broadcast-Only Modes of Cellular Communication System Operation

Communication control method, base station device, terminal device, and communication control system using TDD-OFDMA communication method

Systems and methods for generating sequences that are nearest to a set of sequences with minimum average cross-correlation

Method for transmitting information using sequence

Low overhead MIMO scheme

Base station apparatus, mobile station, radio communication system, and communication control method

Method of transmitting control signal in wireless communication system

Radio channel estimator

Communication system, base station, terminal, and communication method

User apparatus, base station apparatus, and method in mobile communication system

Base station and user device

AMBLE MODULATION SERIES

Subscriber station transceiver allocation of groups of subcarriers between a plurality of transceiver antennas

Methods and apparatus for partial interference reduction within wireless networks

Method of transmitting reference signals for cooperative wireless communication system and method of allocating radio resources for relay-based wireless communication system

Physical layer data unit format

Frequency offset estimation in orthogonal frequency division multiple access wireless networks

Receiving device, receiving method, and program

Highly detectable pilot structure

Efficient multiplexing of reference signal and data in a wireless communication system

STBC based transmission method considering number of symbols in slot

Method and apparatus for multiplexing data and reference signal in a wireless communication system

Transmission of sounding reference signals in TDD communication systems

CHANNEL MEASUREMENTS ON COMBINED PILOT SIGNALA IN MULTI-CARRIER SYSTEMS

Method and apparatus for transmitting and receiving scheduling assignments in a communication system

Communication Characteristic Control Method, Pilot Control Method, Base Station And Mobile Station

Neighboring cell search for mobile communication systems

Antenna switching for data transmission in a communication system using a plurality of transmission antennas

Method and apparatus for transmitting uplink signal, and method and apparatus for generating uplink signal in communication system

Radio Communication Systems And Transmitting Method

Efficiently identifying system waveform in uplink transmission

Uplink transmit diversity schemes with 4 antenna ports

Systems and methods employing multiple input multiple output (MIMO) techniques

Physical random access channel (PRACH) transmission in multicarrier operation

Base station, user device, transmission method, and reception method

Method of transmitting control signals in wireless communication system

OFDMA communication system and communication method

Method for allocating pilots

Method for payload part transmission on contention channels

Wireless communication systems with femto nodes

Method of transmitting and receiving frame in a wireless communication system

Method for transmitting uplink sounding reference signal for LTE system

Transmission and reception of dedicated reference signals

FFT SPREADING AMONG SELECTED OFDM SUB-CARRIERS