Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
05/2007
05/30/2007EP1790100A1 Apparatus and method for frequency synchronization in ofdm system
05/30/2007EP1790086A1 A method and apparatus for spreading sequence hopping in code-multiplexed control channels
05/30/2007EP1158689B1 Spread-spectrum communication device
05/30/2007EP0823163B1 Method and apparatus for providing variable rate data in a communications system using statistical multiplexing
05/30/2007CN1973467A Apparatus and method for transmitting/receiving pilot signals in a communication system using an orthogonal frequency division multiplexing scheme
05/30/2007CN1973444A Wireless transmission device, wireless reception device, and symbol arranging method
05/30/2007CN1972169A A method to send/receive orthogonal variable spread-spectrum factor code
05/30/2007CN1319376C Signal transmission method in digital signal transmission system
05/30/2007CN1319307C Transmission/reception apparatus and transmission/reception method
05/30/2007CN1319299C Transmitting system and method for modulating transmitted signal by OFDM
05/29/2007US7225389 Method and circuit for correcting power amplifier distortion
05/29/2007US7224675 Alternative frequency strategy for DRM
05/29/2007US7224666 Estimating frequency offsets using pilot tones in an OFDM system
05/29/2007CA2363428C Apparatus and method for spreading channel data in cdma communication system using orthogonal transmit diversity
05/29/2007CA2248647C A rapid-acquisition access channel scheme for cdma systems
05/29/2007CA2248625C Forward link carrier recovery in an ocdma spread spectrum communication system without a pilot tone
05/25/2007CA2569286A1 System and method employing linear dispersion over space, time and frequency
05/24/2007WO2007059389A2 Method and apparatus for interleaving within a communication system
05/24/2007WO2007058270A1 Carrier allocation method in multi cell orthogonal frequency division multiple access system
05/24/2007WO2007058219A1 Multi carrier transmission device, multi carrier reception device, and communication method
05/24/2007WO2007058218A1 Signal separating method and signal separating device
05/24/2007WO2007058193A1 Multicarrier receiver, multicarrier communication system and demodulating method
05/24/2007US20070116091 Spread code assigning method in code spread radio communication using a plurality of transmission/reception antennas and code spread radio communication system using the same
05/24/2007US20070115875 Data transmission method and mobile telephone system
05/24/2007US20070115803 Multipoint-to-point communication using orthogonal frequency division multiplexing
05/24/2007US20070115802 Transmitting and receiving systems for increasing service coverage in orthogonal frequency division multiplexing wireless local area network, and method thereof
05/24/2007US20070115801 Switching diversity in broadcast OFDM systems based on multiple receive antennas
05/24/2007US20070115800 Uplink modulation and receiver structures for asymmetric OFDMA systems
05/24/2007US20070115799 MIMO-OFDM system and pre-coding and feedback method therein
05/24/2007US20070115798 Method of data modulation and demodulation in SoC
05/24/2007US20070115797 OFDM Modem for Transmission of Continuous Complex Numbers
05/24/2007US20070115796 Method and apparatus for transmitting/receiving channel quality information in a wireless communication system
05/24/2007US20070115795 Frequency division multiple access schemes for wireless communication
05/23/2007EP1788742A1 Automatic retransmission request control system and retransmission method in mimo-ofdm system
05/23/2007EP1788740A1 Radio communication device and radio communication method
05/23/2007EP1788739A1 Wireless transmitting apparatus and pre-equalization method thereof
05/23/2007EP1788726A2 Method and stations for encoding data with scrambling codes in a CDMA slotted system
05/23/2007EP1787414A1 Preambles in ofdma system
05/23/2007EP1754326A4 Method and apparatus for reducing multi-user processing in wireless communication systems
05/23/2007CN1969468A CDMA communication apparatus and CDMA communication method
05/23/2007CN1968529A Cross-layer scheduling method for OFDM system
05/23/2007CN1968492A Method for allocating resouce in a mobile communication system
05/23/2007CN1968446A Frame structure for variable rate wireless channels transmitting high speed data
05/23/2007CN1968249A Tds-ofdm transmission system and method for processing signal thereof
05/23/2007CN1968247A OFDM receiver and receiving method thereof
05/23/2007CN1968233A System for transmitting single carrier and transmitting method thereof
05/23/2007CN1968232A System for transmitting single carrier and transmitting method thereof
05/23/2007CN1317863C Frequency displacement compensation estimating system for WLAN and method thereof
05/23/2007CN1317839C OFDM transmitter for raising transfer rate and signal compressing method
05/22/2007US7221923 Receiving apparatus
05/22/2007US7221917 Adjacent channel interference mitigation for FM digital audio broadcasting receivers
05/22/2007US7221695 Method for communicating scrambling code ID in mobile communication system
05/22/2007US7221664 Transmittal of heartbeat signal at a lower level than heartbeat request
05/22/2007US7221645 Pilot pattern design for a STTD scheme in an OFDM system
05/18/2007WO2007055531A2 Apparatus and method for transmitting data using a plurality of carriers
05/18/2007WO2007055518A2 Method and apparatus for improving papr in ofdm or ordma communication system
05/18/2007WO2007055469A1 Method for generating preamble sequence using pn sequence, and method for time synchronization and frequency offset estimation using pn sequence
05/18/2007WO2007055292A1 Radio transmission device and radio transmission method
05/18/2007WO2007055042A1 Device and method for receiving orthogonal frequency division multiplexing signal
05/18/2007WO2007055008A1 Receiver, error detection circuit, and reception method
05/18/2007WO2007005381A8 Protocol engine for processing data in a wireless transmit/receive unit
05/17/2007US20070113144 Decoding apparatus and decoding method
05/17/2007US20070110128 Multi-mok modulation/demodulation transmission process, corresponding transmitter and receiver
05/17/2007US20070109957 Otdm transmission method and apparatus
05/17/2007US20070109956 Apparatus and method for transmitting and receiving data in a frequency division multiple access system, and system thereof
05/17/2007US20070109955 Power control in MIMO transceiver
05/17/2007US20070109953 Method and apparatus for interleaving \ within a communication system
05/17/2007US20070109262 Ofdm signal transmission system, portable terminal, and e-commerce system
05/16/2007EP1786194A1 ADSL communication method
05/16/2007EP1786137A1 Method for frequency division duplex communications
05/16/2007EP1786134A1 Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system
05/16/2007EP1786131A1 Complex multiplexing transmission/reception apparatus and method in a wireless communication system
05/16/2007EP1786130A1 Transmission control frame generation device and transmission control device
05/16/2007EP1786129A1 Wireless communication apparatus and wireless communication method
05/16/2007EP1786128A1 Peak power suppressing apparatus and peak power suppressing method
05/16/2007EP1784938A1 Method and apparatus for pilot channel transmission and reception within a multi-carrier communication system
05/16/2007CN1965518A Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas
05/16/2007CN1965517A Radio communication device
05/16/2007CN1965516A Multicarrier transmitter apparatus, multicarrier receiver apparatus, multicarrier transmitting method, and multicarrier receiving method
05/16/2007CN1964342A Circuit and method for resuming carrier wave
05/16/2007CN1964336A System for transmitting single carrier and transmitting method thereof
05/16/2007CN1964335A System for transmitting single carrier and transmitting method thereof
05/16/2007CN1964242A A method to operate and maintain orthogonal variable spread spectrum factor code
05/16/2007CN1964229A Shared channel structure, systems and methods
05/15/2007US7218693 Method and apparatus for channel estimation in a packet based transmission system having reduced complexity
05/15/2007US7218689 Method and apparatus for determining the log-likelihood ratio with precoding
05/15/2007US7218669 Wireless communication system operating in response in part to time signals from the global position satellite system
05/15/2007US7218617 Transmission method of downlink pilot channel in CDMA mobile communication system, and CDMA mobile communication system
05/15/2007US7218604 Orthogonal frequency division multiplexing system with differing control parameters corresponding to different data points in a single symbol
05/10/2007WO2007052981A2 Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (ofdm) or ofdm access (ofdma) scheme
05/10/2007WO2007052965A2 Method and apparatus for producing/recovering ofdm/ofdma signals
05/10/2007WO2007052769A1 Wireless communication base station apparatus, wireless communication mobile station apparatus, wireless communication method, and wireless communication system
05/10/2007WO2007052768A1 Radio transmitting apparatus, radio receiving apparatus, wireless communication method, and wireless communication system
05/10/2007WO2007052767A1 Radio transmission device, and radio transmission method
05/10/2007WO2007052766A1 Method for setting subbands in multicarrier communication, and wireless communication base station apparatus
05/10/2007WO2007052753A1 Radio communication system, and sending power control method therefor
05/10/2007WO2007052651A1 Transmitter and transmission method
05/10/2007WO2007052649A1 Radio transmitter, radio communication system, and radio transmission method
05/10/2007WO2007052602A1 Radio transmitter and radio transmission method
05/10/2007WO2007052576A1 Terminal apparatus, base station apparatus and communication system