Patents for H04L 27 - Modulated-carrier systems (89,721)
01/2006
01/04/2006CN1717888A MIMO system with multiple spatial multiplexing modes
01/04/2006CN1717884A Multi-carrier transmission device, multi-carrier reception device, and multi-carrier radio communication method
01/04/2006CN1717875A Radio communication apparatus
01/04/2006CN1717872A Reception device and method for displaying C/N ratio of the reception device
01/04/2006CN1717057A Coding image signal
01/04/2006CN1717036A Envelope compatible phase modulation system exciter
01/04/2006CN1716989A System and method of upstream signal power cutback
01/04/2006CN1716957A Method and device for wireless communication
01/04/2006CN1716936A Reduced bitstream candidate based receiver and received signal processing method
01/04/2006CN1716935A OFDM receiving apparatus, OFDM transmission apparatus and OFDM communication method
01/04/2006CN1716934A Method for modulating digital broadcast signals by orthogonal frequency division multipexing multi-carrier and transmitter
01/04/2006CN1716933A Method for realizing CDMA signal wave elimination
01/04/2006CN1716932A Method and device for symmetric phase shift key control
01/04/2006CN1716931A Equalizer capable of adjusting step size and equalization method thereof
01/04/2006CN1716930A Communication system, radio communication device and data communication method
01/04/2006CN1716927A Method and apparatus to control operation of an equalizer
01/04/2006CN1716926A Method and apparatus to automatically control a step size of an LMS type equalizer
01/04/2006CN1716924A Payload based channel estimation of a wireless channel
01/04/2006CN1716836A Read enable generator, read enable signal generating method and data transmission method
01/04/2006CN1716789A System and method for realizing high side and low side injection frequency signal filter
01/04/2006CN1716787A System and method for simplifying analog processing in a transmitter incorporating a randomization circuit
01/04/2006CN1235435C Radio base station and communication terminal
01/04/2006CN1235378C Modulator with low sensitivity to amplitude and phase errors of the carrier signal
01/04/2006CN1235377C Digital wave carrying restoring device
01/04/2006CN1235376C Demodulator, receiver, and communication system
01/04/2006CN1235375C Receiver, receiving method and semiconductor device
01/03/2006US6983411 Receiving apparatus and method using multicarrier modulation
01/03/2006US6983151 Method, apparatus and system for synchronization in radio communication systems
01/03/2006US6983147 Method of transmitting signaling information, a master station, a mobile station and message elements
01/03/2006US6983134 Method and apparatus for automatic frequency control and demodulator
01/03/2006US6983131 Circuit configuration for direct modulation
01/03/2006US6983032 Digital timing recovery method for communication receivers
01/03/2006US6983030 Approach for processing data received from a communications channel in finite precision arithmetic applications
01/03/2006US6983029 Blind channel estimation and data detection for PSK OFDM-based receivers
01/03/2006US6983028 Carrier restoration apparatus and method
01/03/2006US6983027 OFDM transmit signal receiver
01/03/2006US6983025 High quality power ramping in a communications transmitter
01/03/2006US6983024 Quadra-polar modulator
01/03/2006US6983010 High frequency equalizer using a demultiplexing technique and related semiconductor device
01/03/2006US6983009 Median weighted tracking for spread-spectrum communications
01/03/2006US6982992 Multi-carrier signal transmitter and multi-carrier signal receiver
01/03/2006US6982972 Signal processor in multiplex communication system utilizing a changeover signal indicating a change in gain of the transmission signal and the signal processing method for the system
01/03/2006US6982965 Multicarrier transmission method and apparatus
01/03/2006US6982948 Method and apparatus for transmission and reception of FM in-band on-channel digital audio broadcasting
01/03/2006US6982607 Amplitude and phase modulation using dual digital delay vectors
01/03/2006CA2233233C Frequency controlling circuit for digital television transmission
01/03/2006CA2233213C Transmitting system and method
12/2005
12/30/2005CA2510913A1 Method and apparatus to control operation of an equalizer
12/29/2005WO2005125144A1 A method of generating a digital phase and amplitude modulated signal
12/29/2005WO2005125143A1 Method and device for the simultaneous compensation of signal errors in iq-modulators
12/29/2005WO2005125142A1 Method and system for determining symbol boundary timing in a multicarrier data transmission system
12/29/2005WO2005125141A1 Training sequence for symbol boundary detection in a multicarrier data transmission system
12/29/2005WO2005125140A1 Apparatus and method for space-frequency block coding/decoding in a communication system
12/29/2005WO2005125139A1 Method for transmitting/receiving data in mobile communication systems using an ofdma scheme
12/29/2005WO2005125138A1 Method of estimating the symbols of a digital signal and receiver for implementing said method
12/29/2005WO2005125137A2 Multiuser detection with targeted error correction coding
12/29/2005WO2005125136A1 Orthogonal frequency division multiplexing receiver
12/29/2005WO2005125133A1 Method and system for channel estimation in a data transmission system
12/29/2005WO2005125132A1 Training sequence for channel estimation in a data transmission system
12/29/2005WO2005125071A1 Reception device and reception method
12/29/2005WO2005125047A1 Distributed resource reservation in a wireless adhoc network
12/29/2005WO2005125000A1 Receive circuit and method for receiving an ofdm signal
12/29/2005WO2005057943A3 Frequency and timing error estimation and corresponding channel characterization in a communication system
12/29/2005WO2004095349A3 Information exchanging and modem architecture using an intelligent database
12/29/2005WO2004068838A3 Robust mode staggercasting reduced resolution video for mobile receiver
12/29/2005US20050289606 Reception device and method for displaying c/n ratio of the reception device
12/29/2005US20050289432 Read enable generator for a turbo decoder deinterleaved symbol memory
12/29/2005US20050289258 Transmission apparatus and transmission method
12/29/2005US20050289246 Interpreting I/O operation requests from pageable guests without host intervention
12/29/2005US20050288062 Method and apparatus for selecting a transmission mode based upon packet size in a multiple antenna communication system
12/29/2005US20050287978 Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
12/29/2005US20050287975 Automatic gain control for satellite digital audio radio service receiver, method of automatically controlling gain and SDARS receiver incorporating the same
12/29/2005US20050286788 Optimal filter-bank wavelet modulation
12/29/2005US20050286666 Apparatus and method for estimating a doppler frequency and a moving velocity of a wireless terminal
12/29/2005US20050286662 Low noise circuit and applications thereof
12/29/2005US20050286661 Symbol timing error detector that uses a channel profile of a digital receiver and a method of detecting a symbol timing error
12/29/2005US20050286660 Digital frequency determining apparatus using matched filters
12/29/2005US20050286658 Receiving LSI device and receiver using the same
12/29/2005US20050286655 Communications receiver with digital counter
12/29/2005US20050286654 Method and system for blindly detecting a discontinuously transmitted shared channel, in particular blind high speed shared control channels detection
12/29/2005US20050286653 Unified modulator for continuous phase modulation and phase-shift keying
12/29/2005US20050286651 Wireless communication apparatus
12/29/2005US20050286649 Using multiple pilot signals for timing error estimation in digital subscriber line communications
12/29/2005US20050286648 Method and apparatus for high-order PAPR reduction of an OFDM signal
12/29/2005US20050286647 Communication timing control method and apparatus, node, and communication system
12/29/2005US20050286646 Wireless control system and method thereof
12/29/2005US20050286645 Coaxial cable communications systems and apparatus employing single and multiple sinewave modulation and demodulation techniques
12/29/2005US20050286626 Method for adjusting parameters of equalizer
12/29/2005US20050286625 Equalizer capable of adjusting step size and equalization method thereof
12/29/2005US20050286624 Method and apparatus to automatically control a step size of an LMS type equalizer
12/29/2005US20050286614 Carrier frequency offset detecting apparatus in a digital receiver system and a method thereof
12/29/2005US20050286611 System, and associated method, for facilitating broadband multi-carrier transmission
12/29/2005US20050286562 Method and apparatus for transmitting signals, and method and apparatus for receiving the signals
12/29/2005US20050286547 Method and apparatus for accessing a wireless multi-carrier communication system
12/29/2005US20050286482 Apparatus and method for supporting OFDM operation in a CDMA2000 wireless network
12/29/2005US20050286474 Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
12/29/2005US20050286465 Method and apparatus for accessing a wireless communication system
12/29/2005US20050286462 OFDM symbol transmission method and apparatus for providing sector diversity in a mobile communication system, and system using the same
12/29/2005US20050286408 Allocation of radio resource in orthogonal frequency division multiplexing system
12/29/2005US20050286403 Method and apparatus for the transmission of data