Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 1 - Arrangements for detecting or preventing errors in the information received
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
08/2003
08/05/2003US6603741 Monitoring of connection between network devices in a packet-based communication system
08/05/2003US6603409 Decoding apparatus and decoding method of repeated data for rate matching
08/05/2003US6603389 Method for indicating a delinquent response to a message from a selective call device
08/05/2003CA2317554C Device and method for detecting pcm upstream digital impairments in a communication network
08/05/2003CA2264808C Wireless atm metropolitan area network
08/01/2003CA2418430A1 Bit error rate tester
07/2003
07/31/2003WO2003063516A2 An apparatus for processing otn frames utilizing an efficient forward error correction
07/31/2003WO2003063465A2 System and method for transmitting audio or video data using multiple levels of protection
07/31/2003WO2003063406A1 Mean square error based rate negotiation algorithm
07/31/2003WO2003063405A1 Wireless transmission with variable code rate
07/31/2003WO2003063396A1 Method and apparatus for measuring differential delay in a sonet/sdh-system using virtual concatenation
07/31/2003WO2003063375A1 Rake receiver for cdma systems with space-time transmit diversity
07/31/2003WO2003063364A1 Dual chien search blocks in an error-correcting decoder
07/31/2003WO2003063363A1 Intra-decoder component block messaging
07/31/2003WO2003063362A1 Chien search cell for an error-correcting decoder
07/31/2003WO2003062955A2 Systems and methods for acknowledgement of multi-cast traffic
07/31/2003WO2003062932A1 Signal validation and arbitration system and method
07/31/2003WO2003036844A3 Mac architecture in wireless communication systems supporting h-arq
07/31/2003WO2003026237A3 Fast computation of mimo decision feedback equalizer coefficients
07/31/2003US20030145274 Decoding method and apparatus therefor
07/31/2003US20030145273 Coded modulation method, which takes tailbits and their coding into account
07/31/2003US20030145272 Decoder and decoding method
07/31/2003US20030145269 Methods and apparatus of signal demodulation combining with different modulations and coding for wireless communications
07/31/2003US20030145267 Built-in test signal attenuation circuit
07/31/2003US20030145247 System and method for re-routing failed video calls
07/31/2003US20030145134 General input/output architecture, protocol and related methods to manage data integrity
07/31/2003US20030145094 Method and system for session based authorization and access control for networked application objects
07/31/2003US20030144836 Method and apparatus for compressing and transmitting ultra high speed data
07/31/2003US20030144033 Multi-carrier communication method and multi-carrier communication apparatus
07/31/2003US20030143962 Apparatus, and associated method, for communication system utilizing space-generated multilevel coding
07/31/2003US20030143955 Communication system monitor
07/31/2003US20030142772 Fast skew detector
07/31/2003US20030142762 Wireless receiver method and apparatus using space-cover-time equalization
07/31/2003US20030142756 Method and apparatus for transmission, and method and system for communication
07/31/2003US20030142755 Closed loop transmit diversity antenna verification using trellis decoding
07/31/2003US20030142740 Decision feedback structure with selective sampling phase controld
07/31/2003US20030142737 Fast bit-error-rate (BER) test
07/31/2003US20030142728 Discontinuous transmission (DTX) detection
07/31/2003US20030142727 Decoderless bit-error-rate estimation for convolutionally encoded transmissions in wireless systems
07/31/2003US20030142694 Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
07/31/2003US20030142676 Method and apparauts for admission control in packet switch
07/31/2003US20030142656 Method and apparatus for high rate packet data transmission
07/31/2003US20030142646 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
07/31/2003US20030142631 Apparatus and method for wireless/wired communications interface
07/31/2003US20030142622 Data transmission system and data transmission method
07/31/2003CA2473382A1 Wireless transmission with variable code rate
07/30/2003EP1331782A2 OFDM diversity receiver and receiving method using a plurality of equalizers
07/30/2003EP1331779A1 Setting of decision thresholds and sampling phase based on previous bit values
07/30/2003EP1330914A2 Method and system for rate adaptation in a packet voice system
07/30/2003EP1330910A1 Method and system for reducing inter-symbol interference effects in transmission over a serial link with mapping of each word in a cluster of received words to a single transmitted word
07/30/2003EP1330896A2 Fibre channel switch
07/30/2003EP1330888A1 Combination of space-time coding and spatial multiplexing, and the use of orthogonal transformation in space-time coding
07/30/2003EP1330887A1 Method and arrangement for providing optimal bit protection against transmission errors
07/30/2003EP1330880A2 Methods and apparatus for transmitting information between a basestation and multiple mobile stations
07/30/2003EP1330879A2 Apparatus, and associated method, for forming a signal exhibiting space-time redundancy
07/30/2003EP1330818A1 Method and system for speech frame error concealment in speech decoding
07/30/2003EP1092280B1 An equalizer with channel tracker switching
07/30/2003EP0988734B1 Method for random-access communication with binary feedback
07/30/2003EP0773695B1 Cdma mobile communication method, system, and mobile station equipment
07/30/2003CN1433652A Radio communication method and device
07/30/2003CN1433631A Truncated metric for NTSC interference rejection in the ATSC-HDTV trellic decoder
07/30/2003CN1433616A Method and apparatus for implementing leaf node proxy in network
07/30/2003CN1433604A Data transmission in communications system
07/30/2003CN1433598A Method and apparatus for controlling the transmission power in radio communications system
07/30/2003CN1433590A Method and configuration for decoding information
07/30/2003CN1433562A Audible error detector and controller utilizing channel quality data and iterative synthesis
07/30/2003CN1433535A Method for automatic fault tree synthesis
07/30/2003CN1433228A Communication system and method with raised communication efficiency
07/30/2003CN1433183A Hybrid automatic request retransmission technology
07/30/2003CN1433182A Inspection and holding method for line to be connected to preset physical bit rate
07/30/2003CN1433178A Sign mapping interleaver and interleaving method of HSDPA mobile communication system
07/30/2003CN1433172A Method of realizing combined calculation reverse transformation in transmission format
07/30/2003CN1433159A Echo channel estimating device and method suitable for asymmetrical digital user's end loop
07/30/2003CN1433157A Receiver for block encoding transmission and its receiving method
07/30/2003CN1116750C Channel test signal generator and tester
07/29/2003US6601217 System and method for error correction in an electronic communication
07/29/2003US6601214 System and method employing a rate matching algorithm for providing optimized puncturing patterns for turbo encoded data in a communications network
07/29/2003US6601213 Demodulator and communications system
07/29/2003US6601210 Data integrity verification in a switching network
07/29/2003US6601209 System and method for reliable data transmission over fading internet communication channels
07/29/2003US6601208 Forward error correction techniques
07/29/2003US6601207 Method and a device for re-transmitting data transfer packets
07/29/2003US6601206 Error concealment or correction of speech, image and video signals
07/29/2003US6601185 Secondary alarm filtering
07/29/2003US6601004 Method and apparatus for measuring parameters of an electronic system
07/29/2003US6600794 Method and device for nonlinear maximum likelihood sequence estimation by removing non-linear inter-symbol-interference (ISI) from a received signal
07/29/2003US6600775 Adaptive reference pattern for spread spectrum detection claims
07/29/2003US6600759 Apparatus for estimating jitter in RTP encapsulated voice packets received over a data network
07/29/2003US6600754 Method and apparatus for managing communication resources using standby slots
07/29/2003US6600753 Sanitizing fibre channel frames
07/29/2003US6600740 Voice quality optimization on multi-codec calls
07/29/2003US6600433 Method and apparatus for correcting digital code words in a digital communication network
07/29/2003CA2287759C Wireless transmission method for antenna arrays using unitary space-time signals
07/29/2003CA2246818C Geographic redundancy protection method and apparatus for a communications network
07/24/2003WO2003061313A1 Mobility support via routing
07/24/2003WO2003061308A1 Method for controlling communication channels and base station and terminal therefor
07/24/2003WO2003061231A1 Robust communications system utilizing repetition code and cumulative decoder associated therewith
07/24/2003WO2003061214A1 A hybird arq scheme for packet data transmission 0ver wireless channel
07/24/2003WO2003061208A1 A method and system for group transmission and acknowledgment
07/24/2003WO2003061204A1 Enhancement of data frame re-transmission by using an alternative modulation scheme in a wlan
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