Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
07/2005
07/27/2005CN1647432A CDMA transmitting device and CDMA transmitting method
07/27/2005CN1647420A Method and device for controlling transmission power in OFDM-CDMA
07/27/2005CN1647415A Receiver and method of operation thereof
07/27/2005CN1647409A Dynamic channel configuration in a cellular radio network
07/27/2005CN1645847A Guard interval and FFT mode detector in dvb-t receiver
07/27/2005CN1645846A Data transmission apparatus and method in an OFDM communication system
07/27/2005CN1212750C Segregator for analog of telephone line signal and digital data signal
07/27/2005CN1212735C Method for modulating digital broadcast signal by orthorogonal frequency division multiplexing multicarrier and transmitter
07/27/2005CN1212734C Method for modulating digital broadcast signal by orthogonal frequency division multiplexing multicarrier and transmitter
07/27/2005CN1212733C Single carrier transmitter for inserting field synchronous information into field and method thereof
07/26/2005US6922451 Frequency shifting circuit and method
07/26/2005US6922437 Modem apparatus, communication apparatus and communication control method
07/26/2005US6922388 Signal construction, detection and estimation for uplink timing synchronization and access control in a multi-access wireless communication system
07/21/2005WO2005067183A1 Broadband radio transceiver with optical transform
07/21/2005WO2005036847A3 An apparatus and associated methods to implement a high throughput wireless communication system
07/21/2005US20050157805 Data transmission with spatial spreading in a mimo communication system
07/21/2005US20050157802 Apparatus and method for receiving signals in an OFDM communication system
07/21/2005US20050157782 Systems and methods for transmitting data in a wireless communication network
07/21/2005US20050157779 Digital subscriber line communicating system and a transceiver in the system
07/21/2005US20050157687 Method and apparatus for providing uplink packet data service in asynchronous WCDMA system
07/21/2005US20050157686 Multicarrier and multirate CDMA system
07/21/2005US20050157639 Apparatus and method for controlling adaptive modulation and coding in an orthogonal frequency division multiplexing communication system
07/21/2005US20050157637 Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/21/2005US20050157636 Orthogonal frequency division multiplexing (OFDM) equalizer
07/21/2005DE10359268A1 Vorrichtung zum Erzeugen von Verwürfelungscodes und Präambeln An apparatus for generating scrambling codes and preamble
07/20/2005EP1555785A2 Course frequency synchronization in a multicarrier receiver
07/20/2005EP1555782A2 A method for designing an uplink pilot signal and a method and a system for estimating a channel in a multicarrier code division multiple access system
07/20/2005EP1555761A1 Apparatus and method for estimating interference and noise in a communication system
07/20/2005EP1554831A1 Frequency hopping ofdma method using symbols of comb pattern
07/20/2005EP1554817A2 Method for stealing power or walsh-code for a data channel (e.g. shared data channel) from a dedicated channel (e.g. voice channel)
07/20/2005EP0950306B1 Method and device for formatting a clipping noise in a multicarrier modulation
07/20/2005CN1643942A Method and apparatus for blind code detection
07/20/2005CN1643866A A multiple channel wireless receiver
07/20/2005CN1643814A Moudel apparatus for diversity reception of modulation signal
07/20/2005CN1642159A Apparatus and method for estimating interference and noise in a communication system
07/20/2005CN1642158A Orthogonal frequency-dividing multiplex receiver and synchronizing method
07/20/2005CN1642059A Method of mapping chips of a spread out symbol to sub-channels of a multi-carrier transmission network
07/20/2005CN1642051A Method for obtaining optimum guide symbolic power
07/20/2005CN1212010C Multi-standard channel decoder and method thereof
07/20/2005CN1211969C Device and method used for double othogonal code jump multi-address communication system
07/20/2005CN1211944C Radio frequency noise canceller
07/20/2005CN1211941C Orthogonal code synchronization system and method for spread spectrum CDMA communications
07/20/2005CN1211940C Data transmitting machine and receiver of extensionable frequency spectrum communication system using pilot frequency channels
07/19/2005US6920184 Transmission system
07/19/2005US6920174 Method for measuring and evaluating multi-carrier signals
07/19/2005US6920123 Cell search method in wireless communication network
07/14/2005WO2005064835A1 Wireless transmitting apparatus and wireless transmitting method
07/14/2005WO2005064832A1 Method and system for allocation of channelisation codes in a code division multiple access system
07/14/2005WO2005062728A2 Method for constructing frame preamble in ofdm wireless communication system, and method for acquiring frame synchronization and searching cells using preamble
07/14/2005US20050152480 Apparatus and method for estimating interference and noise in a communication system
07/14/2005US20050152471 Transmitting device
07/14/2005US20050152302 Transmitting apparatus, receiving apparatus, and communication system for formatting data
07/14/2005US20050152267 Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/14/2005US20050152266 Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/14/2005US20050152265 Apparatus for production of scrambling codes and preambles
07/14/2005US20050152264 Ultra-wideband data communication system with diversity transmit and receive feature
07/14/2005US20050152263 Verification of the antenna weights of the base station in a UMTS mobile radio receiver by use of the viterbi algorithm with fed-back transmission diversity
07/13/2005EP1553716A2 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream
07/13/2005EP1553714A1 Communicating method, transmitting device using the same, and receiving device using the same
07/13/2005EP1553708A1 Wireless communications system with secondary synchronization code based on values in primary synchronization code
07/13/2005EP1552637A1 Constellation rearrangement for transmit diversity schemes
07/13/2005EP1552625A1 Beam-steering and beam-forming for wideband mimo/miso systems
07/13/2005EP1552405A2 Efficient joint detection
07/13/2005EP1552391A1 Method and apparatus for antenna selection using channel response information in a multi-carrier system
07/13/2005EP1060588A4 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system
07/13/2005CN1640063A Coexistence of stations capable of different modulation schemes in a wireless local area network
07/13/2005CN1640035A Method for assigning variable-length walsh codes for code division multiple access communications systems
07/13/2005CN1640030A Centralized buffer architecture for an orthogonal frequency division multiplexing (OFDM) receiver
07/13/2005CN1640025A Radio base station apparatus
07/13/2005CN1640019A Radio communication system and scheduling method
07/13/2005CN1639996A Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system
07/13/2005CN1638374A Receiving method and receiving apparatus with adaptive array signal processing
07/13/2005CN1638373A Apparatus and method for canceling interference signal in an orthogonal frequency division multiplexing system using multiple antennas
07/13/2005CN1638372A Radio receiving apparatus
07/13/2005CN1638370A Cell search method for orthogonal frequency division multiplexing based cellular communication system
07/13/2005CN1638368A Wireless transmitting and receiving device and method
07/13/2005CN1638324A Radio communication system, transmitter, receiver and radio communicating method
07/13/2005CN1638306A Wireless communication system, wireless communication device and wireless communication method, and computer program thereof
07/13/2005CN1638292A Transmitting device
07/13/2005CN1210900C Method for suppressing phase noise by transmission parameter signallings
07/13/2005CN1210899C Calcellar for jamming wave by interference
07/13/2005CN1210878C Method and device for transmitting data
07/12/2005US6917603 Servicing multiple high speed data users in shared packets of a high speed wireless channel
07/12/2005US6917581 Use of orthogonal or near orthogonal codes in reverse link
07/12/2005US6917580 Frequency reuse scheme for OFDM system
07/07/2005WO2005062510A1 Wireless communication system, wireless communication apparatus, and resource assignment method used therein
07/07/2005WO2005062509A1 Transmitter, receiver, transmitting method, receiving method, and program
07/07/2005WO2005025101A8 Transmitter apparatus, receiver apparatus, transmitting method, receiving method, and program
07/07/2005US20050147190 Signal processing circuit and quadrature demodulation apparatus and method of estimating error thereof
07/07/2005US20050147186 Ofdm demodulation apparatus
07/07/2005US20050147066 Transmission method of words representing transmission parameters respectively allocated to mobile stations communicating with base station in mobile communication system
07/07/2005US20050147026 Synchronization in OFDM systems
07/07/2005US20050147025 Apparatus and method for estimating a plurality of channels
07/07/2005US20050147024 Communication method in an FH-OFDM cellular system
07/07/2005US20050147022 Preamble transmit power tailoring system, a method of tailoring preamble transmit power and an OFDM transmitter employing the same
07/06/2005EP1551122A1 Synchronous follow-up device and method
07/06/2005EP1551121A1 Multi-carrier transmitting apparatus and multi-carrier transmitting method
07/06/2005EP1551115A1 Transmission power control method for ofdm-cdma system and transmission power controller
07/06/2005EP1550232A1 System and method for detecting direct sequence spread spectrum signals using pipelined vector processing
07/06/2005CN1636415A Method and device for transmitting data of a subscriber-specific control channel in a radio system