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)
03/2000
03/29/2000EP0989688A2 Spread spectrum diversity transmitter/receiver
03/29/2000EP0989681A2 Technique for correcting single-bit errors and detecting paired double-bit errors
03/29/2000EP0988738A1 Apparatus and method for processing a quadrature amplitude modulated (qam) signal
03/29/2000EP0988734A1 Method for random-access communication with binary feedback
03/29/2000EP0988731A2 Method for transmitting packet switched data in a mobile communications system
03/29/2000EP0988730A2 Error detection and recovery for sequential access devices in a fibre channel protocol
03/29/2000EP0988729A1 Method and system for determining signal to interference plus noise power ratio (sinr) in a communications system
03/29/2000EP0988728A2 Source-controlled channel decoding using intra-frame correlation
03/29/2000EP0988722A1 Method of continuously transmitting user data on a reverse common channel in a mobile communication system
03/29/2000EP0840966A4 Decryption of retransmitted data in an encrypted communication system
03/29/2000EP0839417A4 Decryption of retransmitted data in an encrypted communication system
03/29/2000CN1249099A Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing
03/29/2000CN1249092A Transmitter method and transmission system using adaptive coding based on channel characteristics
03/29/2000CN1249091A Secondary channel using code violations
03/29/2000CN1249085A Reception method and receiver
03/29/2000CN1050952C Receiver for a direct sequence spread spectrum orthogonally encoded signal employing rake
03/29/2000CN1050950C Radio communication apparatus which can quickly recover from misjudgement of levels of a multilevel modulated signal
03/28/2000US6044486 Method and device for majority vote optimization over wireless communication channels
03/28/2000US6044485 Transmitter method and transmission system using adaptive coding based on channel characteristics
03/28/2000US6044482 Digital transmission system for encoding and decoding attribute data into error checking symbols of main data
03/28/2000US6044480 Message generation and verification for a communication network
03/28/2000US6044107 Method for interoperability of a T1E1.4 compliant ADSL modem and a simpler modem
03/28/2000US6044084 Collision detection for packet-switched multiple-path communication system
03/28/2000US6044073 Methods of and devices for enhancing communications that use spread spectrum technology by using variable power techniques
03/28/2000US6043688 Ratio metric fault tolerant and redundant serial communication system
03/28/2000CA2179235C Built-in test scheme for a jitter tolerance test of a clock and data recovery unit
03/25/2000CA2248526A1 Method and apparatus for automatic repetition rate assignment in a remote control system
03/23/2000WO2000016580A1 A method and system for managing a bearer properties at retransmission
03/23/2000WO2000016517A2 Method and apparatus for accessing a computer network communication channel
03/23/2000WO2000016514A1 Loopback processing method and apparatus
03/23/2000WO2000016513A1 Method and system for alternating transmission of codec mode information
03/23/2000WO2000016512A1 Rate detection in radio communication systems
03/23/2000WO2000016511A1 Systems and methods for asynchronous transfer mode and internet protocol
03/23/2000WO2000016507A1 Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device
03/23/2000WO2000016500A1 Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
03/23/2000WO2000016498A1 Method and apparatus for dynamically switching between speech coding techniques
03/23/2000WO2000016488A1 Method and apparatus for errors and erasures decoding
03/23/2000WO2000016114A1 System and method for restricted reuse of intact portions of failed paths
03/23/2000DE19843448A1 Network with coupling apparatus for connecting several network segments
03/23/2000DE19838782A1 Sender, Empfänger und Verfahren in einem Telekommunikationssystem zum Erzeugen von PN-Sequenzen für eine Vielzahl von Benutzerkanälen Transmitter, receiver and method in a telecommunication system to generate PN sequences for a plurality of user channels,
03/23/2000CA2344363A1 Systems and methods for asynchronous transfer mode and internet protocol
03/23/2000CA2343900A1 Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
03/23/2000CA2309035A1 Method and apparatus for automatically reducing cross-talk between wires coupled to a common network device
03/22/2000EP0987852A2 Wireline communication system and method of frequency allocation therein
03/22/2000EP0987851A1 Multiple antenna home base for digital cordless telephones
03/22/2000EP0987850A2 Two dimensional interleaving for cdma
03/22/2000EP0987849A1 Direct spread spectrum communication system corresponding to delayed multiplex mode, and method of communication using the system
03/22/2000EP0986922A1 Paging method and apparatus with acknowledgement capability
03/22/2000EP0986871A1 Data transmission method by radiocommunication channel
03/22/2000CN1248364A Automatic repeat request data communications method and apparatus
03/22/2000CN1248363A Transmitter and receiver
03/22/2000CN1248112A Diversity receiver for merging vector weighted by coefficient being inversly proportional to deviation angle
03/22/2000CN1248102A Coding device and method
03/22/2000CN1050723C Packet delivery system and acknowledge receiving method thereof
03/21/2000US6041086 Signal decoding for either Manhattan or Hamming metric based Viterbi decoders
03/21/2000US6041047 Digital control channels having logical channels supporting broadcast SMS
03/21/2000CA2087197C Triple orthogonally interleaved error correction system
03/18/2000CA2282222A1 Wireline communication system and method of frequency allocation therein
03/16/2000WO2000014989A1 Random access in a mobile telecommunications system
03/16/2000WO2000014921A1 Combined channel coding and space-block coding in a multi-antenna arrangement
03/16/2000WO1999059274A3 Radio channel quality estimation
03/16/2000DE19857154C1 Method for transferring inverted data over one or several data lines transmits original binary data to a unit like a register selected through a binary base address.
03/16/2000CA2340695A1 Random access in a mobile telecommunications system
03/15/2000EP0986282A1 Radio communication device and method of controlling transmission rate
03/15/2000EP0986280A2 Mobile station apparatus and base station apparatus with improved broadcast method
03/15/2000EP0986206A1 A method of changing the encoding level of digital data transmitted between a transmitter and a receiver at a constant rate
03/15/2000EP0986205A2 Method and apparatus for controlling data transmission according to quality of communication line
03/15/2000EP0986188A2 Code division multiple access (CDMA) modem
03/15/2000EP0986187A2 A pilot vector correlator apparatus for a CDMA modem
03/15/2000EP0986186A2 Adaptive matched filter
03/15/2000EP0985325A2 A method of and apparatus for paging a wireless terminal in a wireless telecommunications system
03/15/2000EP0985305A1 Method and device for continuous packet-like data transmission
03/15/2000EP0985294A1 A method for estimating channel bit error ratio, and receiver
03/15/2000EP0985293A1 A radio communication system with diversity reception on a time-slot by time-slot basis
03/15/2000EP0985292A2 Method and apparatus for providing error protection for over-the-air file transfer
03/15/2000EP0895683B1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station
03/15/2000EP0792540B1 A system for decoding digital data using a variable decision depth
03/15/2000CN1247439A Transmitter and base station appts. using same
03/15/2000CN1247420A Transport power controller
03/14/2000US6038695 Data transmission method and equipment for encoding a signal
03/14/2000US6038694 Encoder for producing a checksum associated with changes to a frame in asynchronous transfer mode systems
03/14/2000US6038425 Audio/video signal redistribution system
03/14/2000US6038272 Joint timing, frequency and weight acquisition for an adaptive array
03/14/2000US6038267 Digital demodulator, maximum-value selector, and diversity receiver
03/14/2000US6038264 Data receiving apparatus
03/14/2000US6038251 Direct equalization method
03/14/2000US6038216 Method for explicit data rate control in a packet communication environment without data rate supervision
03/14/2000US6038210 Device for switching over double module
03/14/2000CA2131998C Error tracking loop
03/14/2000CA2086122C System for echo cancellation comprising a ghost cancellation reference signal
03/09/2000WO2000013455A1 Method and apparatus for input/output link retry, failure and recovery in a computer network
03/09/2000WO2000013448A2 A method, communication system, mobile station and network element for transmitting background noise information in data transmission in data frames
03/09/2000WO2000013388A1 A constrained-envelope digital-communications transmission system and method therefor
03/09/2000WO2000013365A1 Transmitter, receiver and method in a telecommunication system for generating pn sequences for a plurality of user channels
03/09/2000WO2000013364A1 Bidirectional arq apparatus and method
03/09/2000WO2000013363A1 Codec mode decoding using a priori knowledge
03/09/2000WO2000013362A1 Method and device for adapting a transmission data rate or a transmitter power to the transmission quality of a transmission channel
03/09/2000WO2000013345A1 Optical signal quality monitor
03/09/2000WO2000013323A1 Method for a general turbo code trellis termination
03/09/2000WO2000013321A1 Dynamically changing forward error correction and automatic request for repetition
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