Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402) |
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03/01/1995 | EP0641101A2 Digital communications system with symbol multiplexers |
03/01/1995 | EP0574523A4 Variable bit rate speech encoder. |
03/01/1995 | CN1099544A 通信系统 Communications systems |
02/28/1995 | US5394436 Multi-hop data communication network |
02/28/1995 | US5394410 Differentially coded and guard pulse position modulation for communication networks |
02/28/1995 | US5394407 Circuit for use with a data processing system |
02/28/1995 | US5394406 Data communication apparatus |
02/28/1995 | US5394145 Performance monitoring for loops |
02/23/1995 | DE4327777C1 Method and system for transmitting signals |
02/22/1995 | EP0639913A1 Apparatus for resolving phase ambiguities in a DPSK radio link |
02/21/1995 | US5392352 Scramble detecting circuit in a satellite broadcasting receiver and scramble detecting method |
02/21/1995 | US5392314 Process for determining the quality parameters of transmission link for digital data streams having a cellular structure |
02/21/1995 | US5392300 Dual mode radio communication unit |
02/21/1995 | US5392299 Triple orthogonally interleaed error correction system |
02/21/1995 | US5392284 Multi-media communication device |
02/21/1995 | US5392283 Data communication protocol |
02/21/1995 | US5391387 Process and apparatus for manufacturing shaped confectionery products |
02/15/1995 | EP0638811A2 Estimator of amplitude and frequency of a noisy biased sinusoid from short bursts of samples |
02/14/1995 | US5390365 Radio communication apparatus having a received signal strength measuring function |
02/14/1995 | US5390215 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution |
02/14/1995 | US5390199 Advanced code error detection apparatus and system using maximal-length pseudorandom binary sequence |
02/14/1995 | US5390197 Vestigial identification for co-channel interference in cellular communications |
02/14/1995 | US5390195 Miller-squared decoder with erasure flag output |
02/14/1995 | US5390163 Data exchange capable of minimizing loss of a data block |
02/14/1995 | CA2035203C Signal control apparatus capable of readily changing an apparatus output signal |
02/14/1995 | CA2030510C Maximum-likehood sequence estimation apparatus |
02/09/1995 | WO1995004421A1 Packet delivery system |
02/09/1995 | WO1995004414A1 Method and apparatus for performing error correction on a signal received by a radio communication device |
02/08/1995 | EP0637892A2 System and method for transmitting images at high efficiency |
02/08/1995 | EP0637881A2 Programmable error-checking matrix for digital communication system |
02/08/1995 | EP0637879A1 Hitless switching apparatus and method for optical network |
02/08/1995 | EP0390920B1 Series controller |
02/07/1995 | US5387906 Signal receiving control system of a remote control device |
02/02/1995 | WO1994028968A3 Method and apparatus for communicating data between medical devices to improve detectability of errors |
02/02/1995 | DE4324292C1 Method for determining a quantity characterising the quality of digital speech transmission |
02/01/1995 | EP0637184A2 Maintenance of a TDM switching network |
02/01/1995 | EP0637150A1 A 1200 bit per second fallback method for use in mobile radio |
02/01/1995 | EP0636291A1 Coordinated coding for digital transmission |
02/01/1995 | EP0636001A1 Process and apparatus for manufacturing shaped confectionery products |
02/01/1995 | EP0554290B1 Method of detecting errors in the transmission of frequency-coded digital signals |
02/01/1995 | EP0341256B1 Modem and method using multidimensional coded modulation |
01/31/1995 | US5386589 Transmission power control system capable of keeping signal quality constant in mobile communication network |
01/31/1995 | US5386495 Method and apparatus for determining the signal quality of a digital signal |
01/31/1995 | US5386424 Apparatus and method for transmitting information between dual redundant components utilizing four signal paths |
01/31/1995 | US5386420 Coding method for correction and detection of skewed transitions in parallel asynchronous communication systems |
01/31/1995 | US5386212 Double buffer scheme for variable length decoder |
01/31/1995 | US5386202 Data communication modulation with managed intersymbol interference |
01/27/1995 | CA2127766A1 1200 bit per second fallback method for use in mobile radio |
01/25/1995 | EP0635952A1 Data transmission system with automatic repeat request (ARQ) |
01/25/1995 | EP0635949A1 Method for determining the optimal length of a data block in a time division multiple access (TDMA) communications system |
01/25/1995 | EP0624275A4 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors. |
01/24/1995 | US5384809 Error control coding arrangement for digital communications system |
01/24/1995 | US5384793 Fading and random pattern error protection method for dynamic bit allocation sub-band coding |
01/24/1995 | US5384782 Digital radio receiver with decoding of confidence level information substituted for interleaved data |
01/24/1995 | US5384773 Multi-media analog/digital/optical switching apparatus |
01/24/1995 | US5384565 Method and apparatus for identifying duplicate data messages in a communication system |
01/24/1995 | US5384560 Maximum likelihood sequence metric calculator |
01/19/1995 | WO1995002287A1 Mobile radio aerial installation |
01/18/1995 | EP0634840A1 Unequal error protection for combined information signals |
01/18/1995 | EP0621998A4 Method and apparatus for the formatting of data for transmission. |
01/18/1995 | EP0532717A4 Multimedia high speed network |
01/17/1995 | US5383219 Fast forward link power control in a code division multiple access system |
01/17/1995 | US5383203 Compact device for correcting a header error in ATM cells |
01/17/1995 | US5383202 Simplified method of attenuation of logarithmically coded digital signals |
01/17/1995 | US5383177 Packet switching testing method and apparatus |
01/17/1995 | CA2055450C Bit error rate detection |
01/17/1995 | CA2023715C Digital signal quality evaluation circuit using synchronization patterns |
01/12/1995 | WO1995001683A1 Method and apparatus for detecting cyclic code |
01/12/1995 | WO1995001682A1 Pcm link fault detection and lost block handling |
01/12/1995 | CA2142903A1 Pcm link fault detection and lost block handling |
01/11/1995 | EP0633671A2 A multiple access radio system |
01/11/1995 | EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
01/11/1995 | EP0632946A1 Buffer allocation to repeated information blocks in data transmission, particularly video transmission |
01/11/1995 | EP0632911A1 Error detector circuit for receiver operative to receive discretely-encoded signals |
01/10/1995 | US5381449 Peak to average power ratio reduction methodology for QAM communications systems |
01/07/1995 | CA2126743A1 Programmable error-checking matrix for digital communication system |
01/05/1995 | WO1995001035A1 Digital radio communication equipment |
01/05/1995 | WO1995001032A1 Method and apparatus for determining the data rate of a received signal |
01/05/1995 | WO1995001018A1 Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake principle |
01/05/1995 | WO1995001008A1 Bit error counting method and counter |
01/05/1995 | DE4318977A1 Method for exploiting the interference correlation in digital signal transmission |
01/04/1995 | EP0632661A1 System for receiving and decoding digital signals according to two image definition levels |
01/04/1995 | EP0632613A1 Method and apparatus for data recovery in a radio communication system |
01/04/1995 | EP0632612A1 Error detection method using convolutional code and viterbi decoding |
01/04/1995 | EP0632604A1 Method and apparatus for baseband signal combining and clock timing recovery using a constant modulus algorithm |
01/04/1995 | EP0631703A1 Efficient crc remainder coefficient generation and checking device and method |
01/03/1995 | US5379324 System and method for calculating channel gain and noise variance of a communication channel |
01/03/1995 | US5379278 In a local area network system |
01/03/1995 | CA2030038C Coded modulation for mobile radio |
12/28/1994 | EP0631412A2 Method and apparatus for the transmission of ATM packets |
12/28/1994 | EP0631410A2 Interactive communication method for home automation |
12/28/1994 | EP0631409A2 Multipoint to point radiocommunications network |
12/28/1994 | EP0631399A1 Method and apparatus for interference cancellation and adaptive equalisation in diversity reception |
12/28/1994 | EP0631396A2 Real-time convolutional decoder with block synchronising function |
12/28/1994 | CN1027213C System and method for calculating channel gain and noise variance of a communication channel |
12/27/1994 | US5377208 Transmission system with random error and burst error correction for a cyclically coded digital signal |
12/27/1994 | US5377204 Error display system |
12/27/1994 | US5377188 Communication system capable of detecting missed messages |
12/26/1994 | CA2126374A1 Real-time convolutional decoder with block synchronizing function |
12/22/1994 | WO1994029983A1 Performance monitoring and failure isolation in a point-to-multipoint communication network |