Patents
Patents for H04L 23 - Apparatus or local circuits for systems other than those covered by groups (1,371)
11/2009
11/10/2009US7616636 Method and device for receiving data blocks
11/03/2009US7613985 Hierarchical trellis coded modulation
11/03/2009US7613270 System and method for adaptive multi-rate (AMR) vocoder rate adaptation
11/03/2009US7613269 Method for calculating equal error protection profiles
11/03/2009US7613246 VSB transmission system
10/2009
10/22/2009US20090262799 Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (m/h) dtv signals
10/13/2009US7602875 Sampling rate conversion method and apparatus
10/06/2009US7599446 Modulation and demodulation based on hierarchical modulation
10/06/2009US7599441 Low complexity soft-input Viterbi decoding for digital communication systems
10/01/2009US20090245407 Constellation rearrangement for transmit diversity schemes
10/01/2009US20090245406 System and method for communicating data using efficient fast fourier transform (fft) for orthogonal frequency division multiplexing (ofdm) modulation
09/2009
09/30/2009CN100546291C Ever-increasing quality for stored video streaming in a mobile wireless interworking environment
09/22/2009US7593499 Apparatus and method for low power routing of signals in a low voltage differential signaling system
09/22/2009US7593474 Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof
09/17/2009US20090231990 Method and apparatus for transmitting/receiving multiple codewords in sc-fdma system
09/16/2009EP2101419A1 Sequence distributing, processing method and apparatus in communication system
09/08/2009US7586991 Method and apparatus for calculating likelihood metric of a received signal in a digital communication system
09/03/2009WO2009108583A2 Tree position adaptive soft output m-algorithm receiver structures
09/03/2009US20090220019 Apparatus and method for transmitting data using a plurality of carriers
09/01/2009US7583968 Radio communication apparatus for feeding back radio link quality information
09/01/2009US7583756 Adaptive pilot filter for a wireless communication system
09/01/2009US7583743 Method of differential-phase/absolute-amplitude QAM
08/2009
08/27/2009US20090213954 Tree position adaptive soft output m-algorithm receiver structures
08/25/2009US7580486 Multi-input multi-frequency synthesizing apparatus and method for multi-band RF receiver
08/18/2009US7577227 Link adaption in general packet radio service networks
08/18/2009US7577208 VSB transmission system
08/18/2009US7577189 Selectable hybrid circuitry for transmission systems and method therefor
08/12/2009CN101507171A Communication link control using iterative code metrics
08/11/2009US7573536 Method for controlling a device for the distribution and processing of video signals
08/04/2009US7570706 Multi-frequency data transmission channel power allocation
08/04/2009US7570700 Parallel concatenated code with soft-in soft-out interactive turbo decoder
08/04/2009US7570699 QAM symbol mapping method and apparatus for downstream transmission of a cable modem
08/04/2009US7570599 Adaptively applying a target noise margin to a digital subscriber line (DSL) loop for DSL data rate establishment
07/2009
07/30/2009US20090190682 System and method for maximum likelihood decoding in multiple out wireless communication systems
07/21/2009US7564894 Tables for determining the signal strength of a received signal in a fibre optics transceiver
07/08/2009EP1344321A4 System for identifying common digital sequences
07/07/2009US7558359 System and method for adaptive multi-rate (AMR) vocoder rate adaptation
06/2009
06/23/2009US7551704 Information processing apparatus and data communication method
06/10/2009EP2068455A1 Sequence distributing method, sequence processing method and apparatus in communication system
06/09/2009US7545882 Transmission apparatus, reception apparatus and digital radio communication method
06/09/2009US7545873 Radio transmission apparatus, radio reception apparatus and radio transmission method
06/09/2009US7545731 Virtual buffer size management system for the transmission of blocks of data bits in an HS-DSCH downlink channel of a mobile communications network
05/2009
05/28/2009US20090135938 Performance of a trellis-based decoder using states of reduced uncertainty
05/28/2009US20090135937 Trellis constellation shaping
05/28/2009US20090135935 Digital tv receiver having built-in diversity structure
05/28/2009US20090135922 Power savings in ofdm-based wireless communication
05/27/2009EP1540817A4 Cck demodulation via symbol decision feedback equalizer
05/26/2009US7539279 Logarithmic spectrum transmitter waveform for controlled-source electromagnetic surveying
05/26/2009US7539257 Continuous phase modulation system and method with added phase pulse
05/26/2009US7539122 Device and method for management of the transmission of blocks of data in an HS-DSCH downlink channel of a mobile communications network
05/19/2009US7536168 Method, emitter and receiver for transmitting data in a multi-access CDMA system by fully complementary code matrixes for two-dimensional data spreading in a frequency and time direction
05/14/2009US20090122890 Ofdm dcm demodulation method
05/12/2009US7532684 Direct RF complex analog to digital converter
05/12/2009US7532679 Hybrid polar/cartesian digital modulator
05/12/2009US7532676 Single sideband and quadrature multiplexed continuous phase modulation
04/2009
04/30/2009WO2008004215A3 Communication link control using iterative code metrics
04/30/2009US20090110104 Equalization of transmit diversity space-time coded signals
04/30/2009US20090110087 Channel-Dependent Frequency-Domain Scheduling in an Orthogonal Frequency Division Multiplexing Communications System
04/28/2009US7526050 CCK demodulation via symbol decision feedback equalizer
04/23/2009WO2006116124A3 Multiple-access code generation
04/23/2009US20090103647 Digital broadcasting transmission/reception system capable of improving receiving and equalizing performance and signal processing method thereof
04/23/2009US20090103646 Tiled-building-block trellis encoders
04/23/2009US20090103509 Enhanced wireless packet data communication system, method, and apparatus applicable to both wide area networks and local area networks
04/21/2009US7522692 Isolator and a modem device using the isolator
04/15/2009CN100479334C Mapping method for encoded bits using LDPC code, transmitting and receiving apparatuses employing this method
04/14/2009US7519141 Method for converting a real signal into a complex signal
04/14/2009CA2447934C Single-carrier receiver having a channel equalizer interacting with a trellis decoder and a channel equalization method therefor
04/09/2009WO2009044946A1 Mobile short message display method by transforming outward shape
04/09/2009WO2007074453A3 A method of secure wlan communication
04/07/2009US7515672 Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
04/07/2009US7515650 Quadrature modulation compensation
03/2009
03/25/2009EP2039091A2 Communication link control using iterative code metrics
03/24/2009US7508898 Programmable radio transceiver
03/24/2009US7508877 Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
03/18/2009CN100471084C Data communication and radio system
03/17/2009US7505526 Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
03/17/2009US7505525 Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion
03/12/2009US20090067536 Wide-band direct conversion transmission apparatus
03/05/2009US20090060079 Method for detecting a symbol using trellis structure on the multiple input multiple output mobile communication system
03/05/2009US20090060066 Communication system and method for transmitting signals to a plurality of different types of receivers
03/03/2009US7499515 System and method for automated link quality measurement for adaptive modulation systems using noise level estimates
03/03/2009US7499498 Hybrid memory architecture for reduced state sequence estimation (RSSE) techniques
02/2009
02/26/2009WO2005114938A3 Modulation schemes for reduced power amplifier backoff
02/26/2009US20090052569 Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof
02/26/2009US20090052458 Flow state attributes for producing media flow statistics at a network node
02/25/2009EP2028808A2 Methods and apparatus for transmitter identification in a wireless network
02/25/2009CN101375538A Reduced complexity soft output demapping
02/24/2009US7496146 Communication system
02/24/2009US7496134 Computationally and memory efficient tone ordering scheme
02/19/2009US20090046796 Transport stream generating device, transmitting device, receiving device, and a digital broadcast system having the same, and method thereof
02/17/2009US7492833 Method for digital wireless communications
02/12/2009US20090042558 Transmission of ACK/NACK Bits and their Embedding in the CQI Reference Signal
02/12/2009US20090041147 Transport stream generating device, transmitting device, receiving device, and a digital broadcast system having the same, and method thereof
02/12/2009US20090041146 Transport stream generating device, transmitting device, receiving device, and a digital broadcast system having the same, and method thereof
02/12/2009US20090041145 Method to detect data transmitted from multiple antennas and system thereof
02/03/2009US7486743 Device and method of measuring frequency domain response in RF modulator
02/03/2009US7486737 Apparatus and method of controlling a physical layer of a communication device
01/2009
01/20/2009US7480338 Constellation mapping apparatus and method
01/15/2009US20090016459 Using codewords in a wireless communication system
01/13/2009US7477695 Wireless communication system, wireless communication apparatus, wireless communication method, and computer program
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