Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 23 - Apparatus or local circuits for systems other than those covered by groups
Patents for H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
12/2010
12/09/2010WO2010139008A1 Detection of a communication signal
12/07/2010US7848441 Apparatus and method to generate convolution encoded data
12/07/2010US7848440 Multi-channel communication method and apparatus using plural Markov Chain Monte Carlo simulations
11/2010
11/30/2010US7844008 Delayed branch decision in quadrature decomposition with M-searching
11/30/2010US7844003 Signal separating device and signal separating method
11/25/2010US20100299582 Multi-tap frequency domain equalization with decision feedback and trellis decoding
11/23/2010US7839960 System and method for generating signal waveforms in a CDMA cellular telephone system
11/18/2010US20100293442 Multi-tap frequency domain equalization with decision feedback and trellis decoding
11/16/2010US7835459 System and method for adapting to a change in constellation density while receiving a signal
11/09/2010US7830988 MIMO decoder and MIMO decoding method
11/09/2010US7830974 Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver
10/2010
10/21/2010US20100266059 Radio communication apparatus capable of switching modulation schemes
10/19/2010US7817709 Non-coherent phase differential and multiple orthogonal signal reception
10/12/2010US7813439 Various methods and apparatuses for impulse noise detection
10/12/2010US7813261 Methods and systems for transmission of orthogonal frequency division multiplexed symbols
10/05/2010US7809093 Mobile terminal
09/2010
09/30/2010US20100246703 Unified STTC Encoder for WAVE Transceivers
09/28/2010US7804909 Digital television transmitter and method of coding data in digital television transmitter
09/14/2010US7796701 Digital decoder for a digital wireless transmission system using a space-time linear code
09/14/2010US7796700 Method and system for computing log-likelihood ratios for coded quadrature amplitude modulated signals
09/07/2010US7792180 Data transmitting/receiving apparatus and control method thereof
08/2010
08/31/2010US7787582 Control unit
08/31/2010US7787551 Phasor fragmentation circuitry and method for processing modulated signals having non-constant envelopes
08/31/2010US7787355 M-ary orthogonal keying system
08/26/2010US20100215107 Methods and apparatuses for dealing with spectrum inversion
08/17/2010US7778350 Multi-carrier communication device, and multi-carrier communication method
08/17/2010US7778349 Method and transmission apparatus for transmitting a bivalent signal
08/10/2010US7773715 Two wire transmitter with isolated can output
08/10/2010US7773714 Method and system for employing adaptive event codes
08/10/2010US7773684 Digital broadcasting transmission and/or reception system to improve receiving performance and signal processing method thereof
08/03/2010US7769096 QM-CPM modems with higher order signaling
07/2010
07/22/2010US20100183087 Reception device, transmission device, and adaptive transmission rate control method
07/20/2010US7760833 Quadrature demodulation with phase shift
07/06/2010US7752042 Methods and apparatus to operate an audience metering device with voice commands
07/06/2010US7751495 Equal power output spatial spreading matrix for use in a wireless MIMO communication system
07/06/2010US7751472 Wireless communication apparatus, wireless communication method and computer program therefor
06/2010
06/29/2010US7746944 Electronic transmitter/receiver
06/23/2010EP2200184A1 Method for increasing the performance of a communications system on a medium formed by multiple conductors
06/22/2010US7742546 Receiver spatial processing for eigenmode transmission in a MIMO system
06/15/2010US7738592 Wireless communication apparatus and wireless communication method
06/15/2010US7738581 Digital broadcasting transmission/reception system capable of improving receiving and equalizing performance and signal processing method thereof
06/15/2010US7738569 Ultra-wideband (UWB) secure wireless device pairing and associated systems
06/08/2010US7733977 Radio transmission device and radio transmission method
06/08/2010US7733973 Multichannel signal encoding method, its decoding method, devices for these, program, and its recording medium
06/08/2010US7733972 Trellis decoder for decoding data stream including symbols coded with multiple convolutional codes
06/01/2010US7729550 Method for image compression coding
06/01/2010US7729443 Wireless communication apparatus and wireless communication method
06/01/2010US7729439 Calibration correction for implicit beamforming in a wireless MIMO communication system
05/2010
05/26/2010CN1781273B Method, emitter and receiver for transmitting data in a multi-access cdma-system
05/18/2010US7720166 System, method and device of decoding spatially multiplexed signals
05/11/2010US7715503 Parallel concatenated code with soft-in soft-out interactive turbo decoder
05/11/2010US7715487 Wireless apparatus employing multi-level QAM and method for estimating threshold value
05/04/2010US7711062 Decoding methods and apparatus for MIMO communication systems
05/04/2010US7711032 Method, transmitter and receiver for spread-spectrum digital communication by Golay complementary sequence modulation
05/04/2010US7710926 Arrangement and method for channel mapping in a wireless communication system
04/2010
04/27/2010US7705777 Mobile multifrequency transmitter transmitting on frequencies based on geographic locations and a method thereof
04/22/2010US20100098151 Method and Apparatus for Cached Adaptive Transforms for Compressing Data Streams, Computing Similarity, and Recognizing Patterns
04/21/2010EP2176965A1 Apparatus and method for transmitting of channel quality indicator and acknowledgement signals in sc-fdma communication systems
04/20/2010US7702031 System and method for adaptive modulation
04/20/2010US7702026 Efficient optimal ML detector
04/13/2010US7697654 Determining effective carrier-to-interference plus noise ratio in OFDMA systems
04/13/2010US7697653 Mobile station and output control method
04/13/2010US7697565 Data transmission apparatus and communication system using a constellation rearrangement
04/06/2010US7693179 Data transmission apparatus using a constellation rearrangement
03/2010
03/18/2010WO2010031075A1 Wireless communication systems with sequence selection
03/18/2010WO2010031073A1 Wireless communication systems with sequence selection
03/18/2010US20100067595 Wi-Fi, GPS and MIMO Systems
03/11/2010WO2009120809A3 Detection of symbols of a signalling parameters channel in a multicarrier receiver
03/10/2010EP2160858A1 Method for transmitting control information in wireless communication systems
03/09/2010US7675987 Trellis-based lock detector
03/02/2010US7672387 Multiple input, multiple output wireless communication system, associated methods and data structures
03/02/2010US7672367 System and method for selecting data rates of initialization signals
02/2010
02/25/2010WO2010022221A1 Communication system for transmitting sync-flags and pilot symbols and method thereof
02/23/2010US7668253 Method for allocating a subchannel in an orthogonal frequency division multiple access cellular communication system
02/23/2010US7668250 Time-dependent trellis coding for more robust digital television signals
02/23/2010US7668249 Oversampling rate converter with timing control for a digital radio frequency transmitter modulator
02/23/2010US7668225 Multi-MOK modulation/demodulation transmission process, corresponding transmitter and receiver
02/16/2010US7664173 Method and apparatus for cached adaptive transforms for compressing data streams, computing similarity, and recognizing patterns
02/10/2010CN100589475C Wideband multi-channel quadrature amplitude modulation of cable television signals
02/04/2010US20100029320 Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations
02/04/2010US20100027482 Mobile Communication System, Base Station Device and Frequency Allocation Method for Mobile Communication System
02/02/2010US7656986 Low jitter phase rotator
02/02/2010US7656959 Pipelined decision-feedback unit in a reduced-state viterbi detector with local feedback
01/2010
01/27/2010CN100586139C Integrated modulator and demodulator
01/21/2010US20100017678 Hierarchical Trellis Coded Modulation
01/14/2010US20100008438 System and method for bit allocation and interleaving
01/12/2010US7646774 Method of processing traffic information and digital broadcast system
01/07/2010US20100002794 Method, medium and apparatus for quantization encoding and de-quantization decoding using trellis
01/07/2010US20100002575 Adaptive modulation and coding in a sc-fdma system
01/05/2010US7643585 Method for correcting soft decision value, computer program product for the same, and reception apparatus for the same
12/2009
12/30/2009EP2137828A1 An rf input transconductor stage
12/24/2009US20090316569 Methods for transmitting and receiving a multicarrier signal, carrying out a channel estimation, and corresponding devices and computer program products
12/22/2009US7636409 Digital phase locked loop for regenerating the clock of an embedded signal
12/15/2009US7634016 Variable OFDM subchannel coding and modulation
12/09/2009EP2131539A2 Signature management for the uplink random access channel
12/09/2009EP2131538A2 Signature management for the uplink random access channel
12/01/2009US7627054 Device and method for improving the signal to noise ratio by means of complementary sequences
11/2009
11/24/2009US7623586 Frequency and phase control apparatus and maximum likelihood decoder
11/24/2009US7623585 Systems and modules for use with trellis-based decoding
11/12/2009US20090279629 Multiple-output transmitter for transmitting a plurality of spatial streams
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