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)
05/1998
05/07/1998CA2269224A1 Method and apparatus for decoding variable rate data
05/07/1998CA2269028A1 Method and apparatus for performing data rate determination
05/07/1998CA2264617A1 A digital communications system having an automatically selectable transmission rate
05/06/1998EP0840485A2 Method and circuit for the synchronization of an OFDM receiver
05/06/1998EP0840483A2 Soft decision method and receiver
05/06/1998EP0839422A1 Linked-list structures for multiple levels of control in an atm switch
05/06/1998EP0839421A2 Allocated and dynamic switch flow control
05/06/1998EP0839420A1 Allocated and dynamic bandwidth management
05/06/1998EP0839419A2 Hierarchical resource management
05/06/1998EP0839417A1 Decryption of retransmitted data in an encrypted communication system
05/06/1998EP0839416A1 System for synchronizing the block counter in a radio-data-system (rds) receiver
05/06/1998CN1180976A Device for switching over double module
05/05/1998US5748887 Inter-processor asynchronous serial communication transmission/reception apparatus using each other's memories
05/05/1998US5748876 System and method for testing acoustic modems with semantically encoded waveforms
05/05/1998US5748763 Image steganography system featuring perceptually adaptive and globally scalable signal embedding
05/05/1998US5748687 Spreading code sequence acquisition system and method that allows fast acquisition in code division multiple access (CDMA) systems
05/05/1998US5748683 Multi-channel transceiver having an adaptive antenna array and method
05/05/1998US5748677 Reference signal communication method and system
05/05/1998US5748676 Network utilizing modified preambles that support antenna diversity
05/05/1998US5748672 System for measuring jitter in a non-binary digital signal
05/05/1998US5748671 Adaptive reference pattern for spread spectrum detection
05/05/1998US5748669 Method and apparatus for transmitting information converted to spread spectrum signal
05/05/1998US5748629 Allocated and dynamic bandwidth management
05/05/1998US5748619 Communication network providing wireless and hard-wired dynamic routing
05/05/1998US5747786 Communication module for a data capture system
05/05/1998CA2095025C Channel equalisation in particular for fading channels
04/1998
04/30/1998WO1998018285A1 Method for the transmission of user data in a hybrid telecommunication system especially an 'isdn ←→ dect specific rll/wll' system
04/30/1998WO1998018242A1 Method and apparatus for determining the rate of received data in a variable rate communication system
04/30/1998WO1998018202A1 Apparatus and method for demodulating a modulated signal
04/30/1998WO1998009399A3 Method for the characterization of transfer errors occurring on a digital message transmission route
04/30/1998WO1997014234A3 Point-to-point internet protocol
04/30/1998DE19747406A1 Facsimile communications protocol data measuring unit
04/30/1998CA2269526A1 Method for the transmission of user data in a hybrid telecommunication system especially an "isdn ?? dect specific rll/wll" system
04/30/1998CA2219731A1 Soft decision method and receiver
04/30/1998CA2199111A1 Timing synchronization in a receiver employing orthogonal frequency division multiplexing
04/29/1998EP0838115A1 Apparatus for decoding video signals encoded in different formats
04/29/1998EP0838107A1 Variable rate circuit-switched transmission services in cellular radio systems
04/29/1998EP0838106A2 Dual mode satellite/cellular terminal
04/29/1998CN1180462A Multi-point to point communication system
04/28/1998US5745685 Protocol extension in NSPP using an acknowledgment bit
04/28/1998US5745582 Audio signal transmitting apparatus audio signal receiving apparatus and audio signal transmitting and receiving system
04/28/1998US5745549 Line break detection device and modem comprising such a device
04/28/1998US5745532 System for wireless transmission and receiving of information and method of operation thereof
04/28/1998US5745520 Method and apparatus for power control in a spread spectrum communication system using threshold step-down size adjustment
04/28/1998US5745509 Transmission system via communications protected by an error management code
04/28/1998US5745506 Error correcting decoder
04/28/1998US5745504 For transmitting data over a channel in a telecommunications system
04/28/1998US5745503 Error correction decoder that operates in either ARDS system or a RBDS system
04/28/1998US5745502 Error detection scheme for ARQ systems
04/28/1998US5745482 Repeating device
04/28/1998US5745479 For detecting errors in a network data packet
04/28/1998CA2117560C Error detector circuit for receiver operative to receive discretely-encoded signals
04/23/1998WO1998017037A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/23/1998WO1998017024A1 Apparatus and method for analyzing bitstreams
04/23/1998CA2268262A1 Method and apparatus for decision directed demodulation using antenna arrays and spatial processing
04/22/1998EP0837580A2 System for maintaining dynamic ordering in a ringlet serial interconnect
04/22/1998EP0837577A2 System and method for digital data communication
04/22/1998EP0837566A2 Control of modulation process based on significance factor of input signal
04/22/1998EP0836770A2 Automatic power control system for a code division multiple access (cdma) communications system
04/22/1998CN1179685A Communication method and communication system
04/22/1998CN1179657A Information receiving system and control method therefor
04/22/1998CN1179656A Error detection and recovery for high rate isochronous data in MPEG_2 data streams
04/22/1998CN1179652A Information signal communication apparatus, method and system
04/21/1998US5742678 Multiple access coding for radio communications
04/21/1998US5742646 Method of selecting and switching signal paths in a digital communication system
04/21/1998US5742644 Receiving circuitry for receiving serially transmitted encoded information
04/21/1998US5742642 Signal processing method and apparatus for reducing equalizer error
04/21/1998US5742640 Method and apparatus to improve PSTN access to wireless subscribers using a low bit rate system
04/21/1998US5742622 Error detection and correction system for a stream of encoded data
04/21/1998US5742619 Communication system
04/21/1998US5742618 RF transponder system having error detection and correction
04/21/1998US5742612 Method and device for interleaving a sequence of data elements
04/21/1998US5742589 Radio apparatus
04/21/1998US5742413 Circuit of duplexing supervisory control modules for use in a data transmission system
04/21/1998US5742260 System and method for transferring data using a frame-scanning display device
04/21/1998CA2130157C Adaptive equalizer and adaptive diversity equalizer
04/16/1998WO1998016081A1 Method for transmitting multiresolution audio signals in a radio frequency communication system
04/16/1998WO1998016021A1 Signal processing apparatus employing the spectral property of the signal
04/16/1998WO1998016016A2 Error correction with two block codes and error correction with transmission repetition
04/16/1998DE19640414A1 Digital data transmission between terminals via base stations esp. in DECT network
04/16/1998CA2268272A1 Signal processing apparatus employing the spectral property of the signal
04/16/1998CA2267211A1 Error correction with two block codes
04/15/1998EP0836299A2 System for maintaining strongly sequentially ordered packet flow in a ring network with busy and failed nodes
04/15/1998EP0836297A1 A wireless network
04/15/1998EP0835593A2 Code division multiple access (cdma) communication system
04/15/1998EP0835570A1 Detection of loop-back conditions on faulty digital trunks
04/15/1998EP0835569A1 Method of re-sending incorrectly transmitted data
04/15/1998EP0835568A2 Cdma modem
04/15/1998EP0835560A1 Method and apparatus for determining signal strength in a spread spectrum communication system having a variable data rate
04/15/1998EP0705510B1 Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle
04/15/1998CN1179246A Method and system for communication over multiple channels in spread spectrum conmunication system
04/15/1998CN1179045A Image synchronous circuit and communication system
04/15/1998CN1179044A Device for detecting clock fault for synchronous transmission system
04/15/1998CN1179037A Communication method, emission device, emission method, receiving device and receiving method
04/14/1998US5740530 Method of controlling a device
04/14/1998US5740366 Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
04/14/1998US5740204 Digital radiocommuncation receiver
04/14/1998US5740189 Integrity check method and system for serial-based communication
04/14/1998US5740187 Data processing using interpolation of first and second information based on different criteria
04/14/1998US5740186 Apparatus and method for error correction based on transmission code violations and parity
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