Patents for H04L 27 - Modulated-carrier systems (89,721)
07/2010
07/01/2010US20100166091 Multicarrier transmitter and multicarrier reveiver
07/01/2010US20100166090 Wireless communication system using pilot allocation, method and pilot pattern thereof
07/01/2010US20100166089 Ofdm transmitter apparatus and ofdm receiver apparatus
07/01/2010US20100166088 Method and system for ofdm symbol timing recovery
07/01/2010US20100166087 Downlink subchannelization scheme for 802.16m
07/01/2010US20100166086 Blind selected mapping for peak-to-average power ratio reduction in OFDM with PSK input
07/01/2010US20100165972 Physical structure and design of sounding channel in OFDMA systems
07/01/2010US20100165967 Wireless local area network system using space-time block coding (stbc) having backward compatibility with prior standards
07/01/2010US20100165956 Ofdm cognitive radio with zero overhead signalling of deleted subcarriers frequencies
07/01/2010US20100165954 Physical structure and sequence design of midamble in OFDMA systems
07/01/2010US20100165942 Synchronization channel for advanced wireless OFDM/OFDMA systems
07/01/2010US20100165931 Apparatus and Method for Communicating Control Information Over a Data Channel in the Absence of User Data
07/01/2010US20100165930 Allocation of uplink reference signals in a mobile communication system
07/01/2010US20100165189 Digital image transmission system transmitting digital image data
07/01/2010US20100164747 Method and apparatus for establishing low frequency/ultra low frequency and very low frequency communications
07/01/2010US20100164615 System And Method For Relative Phase Shift Keying
07/01/2010CA2747974A1 Base station device, mobile station device, communication system, and communication method
07/01/2010CA2746828A1 Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices
06/2010
06/30/2010EP2202933A2 Technique for generating an SC-FDMA signal
06/30/2010EP2202932A1 A Method for Channel Estimation Based on PN Sequences
06/30/2010EP2202931A1 Method and system for increasing spectral density in a communications network
06/30/2010EP2202930A1 Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme
06/30/2010EP2202929A1 Channel estimation in a MISO receiver
06/30/2010EP2202928A1 Channel estimation for simultaneous support of MISO and MIMO receivers
06/30/2010EP2202927A1 Channel estimation in a MIMO-OFDM receiver
06/30/2010EP2202926A1 Method of transmitting a pilot to simultaneous support of MISO and MIMO receivers
06/30/2010EP2202907A1 System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
06/30/2010EP2202906A1 Data-aided signal-to-noise ratio estimate for M-DPSK modulation systems with division of the received samples into blocks
06/30/2010EP2202902A1 A subscriber unit and method for use in a wireless communication system
06/30/2010EP2202900A1 Timing error detection
06/30/2010EP2202894A1 Relay station for a mobile communication system
06/30/2010EP2202888A1 File download and streaming system
06/30/2010EP2202878A1 Distortion compensation apparatus and method
06/30/2010EP2201736A2 System and method for transmitting/receiving signal in a communication system
06/30/2010EP2201735A1 Frame synchronisation in an ofdm communication system
06/30/2010EP2201734A2 Digital video broadcast service discovery
06/30/2010EP1774737B1 Iterative channel and interference estimation with dedicated pilot tones for OFDMA
06/30/2010CN101766043A Method and apparatus for initial acquisition of signaling parameters for a wireless communications network
06/30/2010CN101766009A Method and apparatus for synchronizing a receiver
06/30/2010CN101766008A Radio transmission device and radio communication method
06/30/2010CN101765989A A method of transmitting data to a receiver
06/30/2010CN101765197A Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems
06/30/2010CN101765106A Method for encrypting voice based on GSM voice channel transmission
06/30/2010CN101764786A MQAM signal recognition method based on clustering algorithm
06/30/2010CN101764785A Quadrature amplitude modulation signal identifying method based on mixed moment and fisher discrimination
06/30/2010CN101764784A Quadrature amplitude modulation within-class identification method based on image processing under multipath channel
06/30/2010CN101764783A Method for eliminating inter-carrier interference in orthogonal frequency division multiplexing system
06/30/2010CN101764782A Method for eliminating interference among carriers based on low-complexity frequency domain linear equalization
06/30/2010CN101764781A Amble modulation series
06/30/2010CN101764780A Method and system for time and frequency synchronization in orthogonal frequency division multiplexing
06/30/2010CN101764779A Method for subcarrier allocation and permutation
06/30/2010CN101764778A Base band processor and base band processing method
06/30/2010CN101764777A Method for obtaining optimal pilot frequencies of non-continuous orthogonal frequency division multiplexing system
06/30/2010CN101764776A Transmission method of special pilot frequency for user
06/30/2010CN101764775A Method and system for transmitting OFDM synchronizing pilot
06/30/2010CN101764774A Communication apparatus
06/30/2010CN101764773A Realization method of Gray code M-QAM modulating parallel soft bit information computation
06/30/2010CN101764772A Channel equalization method and communication system thereof based on precoding
06/30/2010CN101764771A Channel equalization method and communication system thereof based on precoding
06/30/2010CN101764770A Channel equalization method and communication system thereof based on precoding
06/30/2010CN101764769A Channel equalization method and wireless communication system based on LRA algorithm
06/30/2010CN101764682A Method and device for selecting modulation code configuration
06/30/2010CN101764643A Channel equalization method and system based on physical layer Mesh to combining precursor and pilot frequency
06/30/2010CN101764636A Space-time block coding DFT-S-OFDM transmission method and device
06/30/2010CN101098179B Method for forming broadband frequency domain digital beam
06/29/2010US7746967 Beam-former and combiner for a multiple-antenna system
06/29/2010US7746966 Method for automatic gain control before initial synchronization in OFDM system and apparatus thereof
06/29/2010US7746965 Automatic gain control for a wideband signal
06/29/2010US7746963 Methods and apparatus for frequency tracking of a received signal
06/29/2010US7746962 Apparatus and method of detection for a packet-based wireless receiver employing multiple, concurrent transmitted streams
06/29/2010US7746961 Efficient detection of predetermined sequences
06/29/2010US7746958 Receiver for a wire-free communication system
06/29/2010US7746953 Method and apparatus for asynchronous incremental redundancy transmission in a communication system
06/29/2010US7746944 Electronic transmitter/receiver
06/29/2010US7746943 Wireless communication system, wireless communication apparatus and wireless communication method
06/29/2010US7746942 Apparatus and method for controlling dynamic range of weight vectors according to combining methods in a mobile station equipped with multiple antennas in high rate packet data system using code division multiple access scheme
06/29/2010US7746941 Synchronization apparatus and method for improving timing estimation performance in OFDM-FDMA/CDMA/TDMA system
06/29/2010US7746940 Method and apparatus for transmitting a signal in a communication system
06/29/2010US7746939 Methods and apparatus for encoding information in a signal by spectral notch modulation
06/29/2010US7746938 Pilot multiplexing method and OFDM receiving method in OFDM system
06/29/2010US7746937 Efficient wired interface for differential signals
06/29/2010US7746894 Methods and systems for communicating using transmitted symbols associated with multiple time durations
06/29/2010US7746830 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
06/29/2010US7746762 Transmitting apparatus and transmitting method
06/29/2010US7746760 Frequency error estimation and frame synchronization in an OFDM system
06/29/2010US7746759 Pilot pattern design for an OFDM system
06/29/2010US7746186 Wideband quadrature imbalance compensation system and method
06/29/2010CA2447457C Method and apparatus for allocating a pilot carrier adaptively in an orthogonal frequency division multiple access system
06/29/2010CA2398617C Integrated beamforming/rake/mud cdma receiver architecture
06/24/2010WO2010071546A1 Handling discontinuous transmission indication bits
06/24/2010WO2010071351A2 Method for transmission of downlink control message in mobile communication system
06/24/2010WO2010071273A1 Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
06/24/2010WO2010070835A1 Transmission system and test apparatus
06/24/2010WO2010070831A1 Communications device, method of control of data rate, and communications system
06/24/2010WO2010070625A1 System and method for generating a signal with a random low peak to average power ratio waveform for an orthogonal frequency division multiplexing system
06/24/2010WO2010070425A1 Calculating a non-linearity metric
06/24/2010WO2010070231A1 Device and method for processing a signal, and radiofrequency transmission system comprising such a device
06/24/2010WO2010069903A1 A receiver and a method for mobile communications
06/24/2010WO2010069111A1 Method, base station and mobile terminal for realizing femtocell pilot assignment
06/24/2010WO2010041888A3 Method of transmitting control signal in wireless communication system