Patents for H04L 27 - Modulated-carrier systems (89,721)
06/2007
06/20/2007CN1322729C Circuit device and method for compen sating interference in signal
06/20/2007CN1322694C Method and system for determining data transmitting safety system for network communication connection
06/19/2007US7233810 Dynamically reconfigurable universal transmitter system
06/19/2007US7233773 Configuring a MIMO communication
06/19/2007US7233633 Channel estimation using linearly constrained filter coefficients
06/19/2007US7233632 Symbol timing correction for a phase modulated signal with mutually interfering symbols
06/19/2007US7233631 DC-offset correction circuit having a DC control loop and a DC blocking circuit
06/19/2007US7233630 Modulation method and radio communication system
06/19/2007US7233629 Adjusting a receiver
06/19/2007US7233627 Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
06/19/2007US7233626 Flexible bit selection using turbo trellis-coded modulation
06/19/2007US7233625 Preamble design for multiple input—multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system
06/19/2007US7233620 Bandwidth-efficient wireless network modem
06/19/2007US7233617 System and method of equalization of high speed signals
06/14/2007WO2007067327A2 Wireless communications system with reduced sideband noise and carrier leakage
06/14/2007WO2007067136A2 Method and system of channel estimation
06/14/2007WO2007067018A1 Apparatus for estimating time and frequency offset using antenna diversity in ofdm communication system and method thereof
06/14/2007WO2007066985A1 Apparatus and method for generating soft bit metric and m-ary qam receiving system using the same
06/14/2007WO2007066984A1 Apparatus and method for correcting iterative residual frequency and phase in turbo coded ofdm system
06/14/2007WO2007066973A2 Apparatus and method for transmitting data using a plurality of carriers
06/14/2007WO2007066952A2 Multi-fa processing system and its digital band-pass filtering method
06/14/2007WO2007066938A2 Method for controlling signal power level to control contention between mobile terminals, and signal power level controller in orthogonal frequency division multiplexing system
06/14/2007WO2007066907A1 Method for adaptive transmit power allocation in multiuser ofdm system
06/14/2007WO2007066871A2 Method for allocating frequency domain spread code in base station of mc-cdma communication system
06/14/2007WO2007066846A2 Adaptive transmission device using limited feedback information in a mobile communication system, and a method thereof
06/14/2007WO2007066551A1 Receiving apparatus and demodulating method
06/14/2007WO2007066293A2 System, apparatus, and method for single-carrier block transmission with adaptive guard interval
06/14/2007WO2007066056A1 Method for energy assignment in sub-bands of a multicarrier modulation communication system
06/14/2007WO2007066044A2 Dynamic interleaving method and device
06/14/2007WO2007051186A3 Resource allocation for shared signalin channels in ofdm
06/14/2007WO2007051159A3 Shared signaling channel
06/14/2007WO2007050827A8 A method and apparatus for generating encoded block segments in wireless communication systems
06/14/2007WO2007034449A3 Improved symbol recovery for zero-prefix ofdm systems
06/14/2007WO2006113119B1 Channel estimation using a minimized channel prediction interval
06/14/2007WO2006012239A3 Wireless control system and method thereof
06/14/2007WO2005091865A3 Digital predistortion system and method for high efficiency trasmitters
06/14/2007WO2005057825A3 Apparatus, and associated method, for communicating communication data in a multiple-input, multiple-output communication system
06/14/2007US20070136637 Device and method for correcting a data error in communication path
06/14/2007US20070135049 Radio transmission apparatus, radio reception apparatus and radio transmission method
06/14/2007US20070133720 Receiver of pulses of an ultra wide band type signal and associated method
06/14/2007US20070133716 Digital multimedia broadcasting receiver having improved reception capability and channel estimation method of the same
06/14/2007US20070133715 Frequency modulation-frequency shift keying demodulator
06/14/2007US20070133712 Communication apparatus and communication method used in spectrum sharing environment
06/14/2007US20070133711 Transmission interface module for digital and continuous-waveform transmission signals
06/14/2007US20070133705 Method for synchronizing seamless rate adaptation
06/14/2007US20070133702 Signal transmitting and receiving apparatuses
06/14/2007US20070133694 Communication system for transmitting and receiving a communication signal having an intra-guard-interval
06/14/2007US20070133611 Method and apparatus of frequency estimation for the downlink of td-scdma systems
06/14/2007US20070133526 Remote access communication system and control method thereof
06/14/2007US20070133386 Downlink signal configurating method and device in mobile communication system, and synchronization and cell searching method and device using the same
06/14/2007DE102005058669A1 Verfahren zum Betreiben eines Kommunikationsendgeräts A method of operating a communication terminal
06/14/2007DE10157247B4 Verfahren zur gemeinsamen Schätzung von Parametern Process for the joint estimate of parameters
06/13/2007EP1796337A2 Recovery of frequency jumps in QPSK modulated microwaves radio links
06/13/2007EP1796316A1 Apparatus and method of controlling an action change gap interval in a multi-hop relay cellular network
06/13/2007EP1796309A1 Scrambler, scramble processing method, and program
06/13/2007EP1796288A2 Apparatus and method for correcting frequency offset in satellite digital video broadcasting system
06/13/2007EP1796278A1 Communication system for transmitting and receiving a communication signal having an Intra-Guard-Interval
06/13/2007EP1796268A1 Modulating circuit, transmitting apparatus using the same, receiving apparatus and communication system
06/13/2007EP1794971A1 Multicarrier receivers and methods for detecting cyclic prefixes having
06/13/2007EP1794970A1 Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system
06/13/2007EP1794969A1 Method and apparatus for improved efficiency in an extended multiple antenna communication system
06/13/2007EP1794968A1 Method for realizing a link adaptation in a mimo-ofdm transmission system
06/13/2007EP1794967A1 Method and device for synchronising the carrier frequency of an offset quadrature phase-modulated signal
06/13/2007EP1794966A2 Frame-based carrier frequency and phase recovery system and method
06/13/2007EP1794908A1 Multiple antenna processing on transmit for wireless local area networks
06/13/2007EP1794901A2 Method of transmitting data and estimating channel informatio in ofdm/ofdma mobile communications system
06/13/2007EP1794899A1 A radio communication system, a radio station, and a method of transmitting data
06/13/2007EP1794893A2 Method and apparatus for encryption of over-the-air communications in a wireless communication system
06/13/2007EP1794892A2 Receiver gain control using a pilot signal
06/13/2007EP1547419B1 Requesting and controlling access in a wireless communications network
06/13/2007EP1523838B1 Adaptive pre-equalization method and apparatus
06/13/2007EP1384285B1 Ferroelectric antenna and method for tuning same
06/13/2007EP1191709B1 Spread spectrum receiving apparatus
06/13/2007EP1105995B1 Methods and apparatus for providing robust synchronization of radio transceivers
06/13/2007EP1093239B1 Method and apparatus for quality evaluation of a cable circuit
06/13/2007CN1981500A Time-domain windowing of multi-band OFDM system to enable spectral sculpting
06/13/2007CN1981499A Steering diversity for an OFDM-based multi-antenna communication system
06/13/2007CN1981498A Staggered pilot transmission for channel estimation and time tracking
06/13/2007CN1981456A Continuous beamforming for a MIMO-OFDM system
06/13/2007CN1981437A Receiver for use in wireless communications and method and terminal using it
06/13/2007CN1980450A Sub-band scheduling method in orthogonal frequency-division multiplexing system
06/13/2007CN1980217A Transmitting method, receiving method, transmitting apparatus and receiving apparatus
06/13/2007CN1980216A Transmitting method, receiving method, transmitting apparatus and receiving apparatus
06/13/2007CN1980215A Transmitting method, receiving method, transmitting apparatus and receiving apparatus
06/13/2007CN1980214A Transmitting method, receiving method, transmitting apparatus and receiving apparatus
06/13/2007CN1980213A Transmitting method, receiving method, transmitting apparatus and receiving apparatus
06/13/2007CN1980212A Transmission method in multi-housing-area orthogonal frequency-division multiplexing system
06/13/2007CN1980211A Method and apparatus for modulating-demodulating OFDM multi-carrier-wave signal time frequency
06/13/2007CN1980210A Method for realizing sign blind synchronization in zero-prefix orthogonal frequency-division multiplexing system
06/13/2007CN1980209A Random-cycle time-delay diversity orthogonal frequency division multiplexing transmission method
06/13/2007CN1980208A Carrier-wave frequency deviation estimation method in communication system, apparatus and system therefor
06/13/2007CN1980207A Time synchronizing method and apparatus of communication system, device and system thereof
06/13/2007CN1980206A Orthogonal frequency-division multiplexing system scheduling method
06/13/2007CN1980205A Series generating system and method, transmitting and synchronizing method and power regulating system
06/13/2007CN1980204A ASK demodulator applied on wireless receiving apparatus and method thereof
06/13/2007CN1980201A Multi-antenna orthogonal frequency division multiplexing system channel estimation method
06/13/2007CN1980193A Blank-interface text transmission method, network accessing apparatus and system
06/13/2007CN1980115A Method for supporting multi-cast broadcasting business
06/13/2007CN1980114A Channel estimation emitting-receiving device and method
06/13/2007CN1980110A Dynamic switching-over method and device of space-hour coding/decoding mode