Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
02/1998
02/11/1998CN1173087A Data transmission device
02/11/1998CN1173085A Satellite commnication system utilizing parallel concatenated coding
02/10/1998US5717725 System for wireless transmission and receiving of information through a computer bus interface and method of operation
02/10/1998US5717723 Apparatus for use in equipment providing a digital radio link between a fixed radio unit and a mobile radio unit
02/10/1998US5717718 Multipoint to point radiocommunications network
02/10/1998US5717715 Signal processing apparatus and method
02/10/1998US5717689 Data link layer protocol for transport of ATM cells over a wireless link
02/10/1998US5717395 Rate 16/17 ENDEC with independent high/low byte decoding
02/05/1998WO1998005140A1 Method, apparatus and packet transmission system using error correction of data packets
02/05/1998WO1998005117A1 Method and apparatus for mitigating distortion effects in the determination of signal usability
02/05/1998WO1997049199A3 Transmitter diversity assembly and associated method for radio transmitter
02/05/1998WO1997048219A3 Transmitter for qam encoded data
02/05/1998DE19732907A1 Verfahren und Vorrichtung zur Datenübertragung Method and apparatus for data transmission
02/05/1998DE19731476A1 Automatische Zeitgebungseinstellung für diverse Verkehrslenkung von HFC Systemen Automatic timing adjustment for various traffic management systems HFC
02/05/1998DE19630343A1 Verfahren, Vorrichtung und Paket-Übertragungssystem unter Verwendung einer Fehlerkorrektur von Datenpaketen A method, apparatus and packet transmission system using an error correction of data packets
02/04/1998EP0822716A2 A system for forming program guides and video data for storage and transmission in different signal formats
02/04/1998EP0822715A2 System for receiving broadcast signals with variable encoding formats and number of transmission channels
02/04/1998EP0822714A2 A system for acquiring and processing video data and program guides transmitted in different coding formats
02/04/1998EP0822681A2 Method and system for estimating the quality of blocks of information received via a transmission system using block coding
02/04/1998EP0821860A1 Temporary frame identification for arq in a reservation-slotted-aloha type of protocol
02/04/1998EP0730795A4 Satellite receiver code rate switching apparatus
02/04/1998EP0669958B1 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids, and the use of such mixtures
02/04/1998CN1172566A Multiple access digital transmitter and receiver
02/04/1998CN1172560A Method for forming transition metrics and receiver of cellular radio system
02/04/1998CN1172387A Automatic timing adjusment for diverse routing of HFC systems
02/03/1998US5715312 Concealment method and arrangement and reproducing apparatus provided with the concealment arrangement
02/03/1998US5715278 Standby power saving in mobile phones
02/03/1998US5715277 Apparatus and method for determining a symbol rate and a carrier frequency for data transmission and reception
02/03/1998US5715261 Method of interactive communication notably for household applications
02/03/1998US5715259 Cyclic redundancy check synchronizer
02/03/1998US5715257 System for re-transmission in data communication
02/03/1998US5715238 Apparatus and method for detecting a loss of a telecommunications channel connection
02/03/1998US5715236 System and method for generating signal waveforms in a CDMA cellular telephone system
02/03/1998US5715012 Radio receivers for receiving both VSB and QAM digital HDTV signals
02/03/1998US5714937 Omidirectional and directional antenna assembly
01/1998
01/31/1998CA2211623A1 Method and apparatus for transmitting data
01/30/1998CA2211859A1 Computer expansion unit with circuitry for reliable communication on auxiliary bus
01/28/1998EP0821501A1 Method of digital demodulation
01/28/1998EP0821500A1 Multiple decoding
01/28/1998EP0821492A2 Error-correcting code generating circuit and modulator apparatus using the same
01/28/1998EP0820669A1 Data network switch with fault tolerance
01/28/1998EP0820659A1 Data transmission method, and transmitter
01/28/1998CN1171872A Process for transmitting messages from secondary control system to primary control system
01/28/1998CN1171869A System for decoding digital data using variable dicision depth
01/28/1998CN1171687A Transmission rate judging unit
01/28/1998CN1171680A Data error correcting method for digital signal frames and apparatus used in method
01/28/1998CN1171679A Self-healing network, method for transmission line switching thereof, and transmission equipment thereof
01/28/1998CN1171678A Refeeding controlling method
01/28/1998CN1171677A Communication method, communication apparatus, reception method, and reception apparatus
01/28/1998CN1171673A Communication method and communication apparatus
01/28/1998CN1171662A Transmitter capable of preventing interruption on occurrence of fault
01/27/1998US5712898 D4 channel bank with multi-mode formatted, performance-monitoring communication bus
01/27/1998US5712862 Error detection system for digital data transmission multiplexing system
01/27/1998US5712861 Error correcting method and decoder with improved reliability
01/27/1998US5712860 Methods and system for using multi-block bursts in half duplex subscriber unit transmissions
01/27/1998US5712847 Line switching system for duplexed fiber interface shelf between different modes
01/27/1998CA2081923C Method and arrangement of estimating data sequences transmitted using viterbi algorithm
01/27/1998CA2062996C Method of correcting transmission error in digital color-television communication system and digital color-television communication system to work said method
01/24/1998CA2210299A1 Error-correcting code generating circuit and modulator apparatus using the same
01/22/1998WO1998003030A1 Automatic data transfer mode control
01/22/1998WO1998002987A1 Method and apparatus for concatenated coding of mobile radio signals
01/22/1998DE19638424C1 Clocked serial data transmission method especially for data blocks of uniform length
01/21/1998EP0820209A2 Data transfer device having retransmission control function
01/21/1998EP0820167A2 Control method for selective repeat retransmission protocols
01/21/1998EP0820159A2 Satellite communications system utilizing parallel concatenated coding
01/21/1998EP0820152A1 Data transmission device
01/21/1998EP0727112A4 Dual-mode wireless unit with two spread-spectrum frequency bands
01/21/1998CN1170898A System switching circuit based on phase matching
01/20/1998US5710976 Method and apparatus for reducing noise interference to improve outbound message reliability in a two-way messaging system
01/20/1998US5710798 System for wireless transmission and receiving of information and method of operation thereof
01/20/1998US5710790 Communication arrangement with improved echo and noise suppression in a channel containing quantization
01/20/1998US5710789 For receiving and processing transmitted signals
01/20/1998US5710785 Sequential decoder having short synchronization recovery time
01/20/1998US5710784 Multirate serial viterbi decoder for code division multiple access system applications
01/20/1998US5710783 Optimization of synchronization control in concatenated decoders
01/20/1998US5710775 Error allowing pattern matching circuit
01/20/1998US5710768 Method of searching for a bursty signal
01/20/1998US5710761 Error control negotiation based on modulation
01/20/1998US5710756 Burst-error resistant ATM microwave link and network
01/20/1998US5709598 Abrasive tape and method of producing the same
01/15/1998WO1998001964A1 Modular transmission system and method
01/15/1998WO1998001963A1 Diversity path co-channel interference reduction
01/15/1998WO1998001954A2 Transmission and reception of a digital information signal
01/15/1998WO1998001946A1 Controller-based radio frequency amplifier module and method
01/14/1998EP0818923A2 Digital broadcast receiving device
01/14/1998EP0818118A1 Window comparator
01/14/1998EP0818100A2 Data communication method and apparatus
01/14/1998EP0818087A1 Optimizing packet size to eliminate effects of reception nulls
01/14/1998CN1170326A Method of detecting loading error occurring in base station of digital cellular system
01/14/1998CN1170292A System for detecting presence of digital signal carrier wave, and receiver including such system
01/13/1998US5708971 Two-way paging system and apparatus
01/13/1998US5708680 Network utilizing a controller and base transceivers to route voice packets
01/13/1998US5708667 Method for detecting and correcting error by means of a high-dimension matrix and device using the same
01/13/1998US5708665 Digital receiver using equalization and block decoding with erasure and error correction
01/08/1998WO1998000984A1 Mobile communication system
01/08/1998DE19626132A1 Digital data transmission system e.g. for GSM system
01/08/1998DE19613382A1 Error correction method for non-redundant transmission signals
01/08/1998CA2230588A1 Mobile communication system
01/07/1998EP0817500A2 Image coding and decoding method and apparatus
01/07/1998EP0817440A2 Transmission rate judging unit