Patents
Patents for H04L 1 - Arrangements for detecting or preventing errors in the information received (103,402)
01/2001
01/11/2001WO2001003361A1 Method for monitoring the bit transmission quality in packet-orientated transmission
01/11/2001WO2001003360A1 Method for switching transmission units to an equivalent circuit in a packet-orientated transmission
01/11/2001WO2001003359A1 Method and system for data reception acknowledgement
01/11/2001WO2001003358A1 Macrodiversity transmission in a mobile radio system
01/11/2001WO2001003357A1 Method and apparatus for determining a reverse link transmission rate in a wireless communication system
01/11/2001WO2001003356A1 Flexible method of error protection in communications systems
01/11/2001WO2001003332A1 Method of identifying information addressed to a user in a communication system, and a communication system
01/11/2001WO2001003330A1 Method and apparatus for using frequency diversity to separate wireless communication signals
01/11/2001WO2001003317A1 Coded domain adaptive level control of compressed speech
01/11/2001WO2001003316A1 Coded domain echo control
01/11/2001WO2001003115A1 Audio decoder and coding error compensating method
01/11/2001WO2001002929A2 Coded domain noise control
01/11/2001DE19929252A1 Verringerung der Wahrscheinlichkeit einer Störung einer empfangsseitigen Kanalschätzung in einem Funkkommunikationssystem Reduce the likelihood of disturbance of a receiving-side channel estimation in a radio communication system
01/11/2001CA2378576A1 Method for the switchover to standby of transmission facilities on packet-oriented transmission
01/11/2001CA2378062A1 Coded domain adaptive level control of compressed speech
01/11/2001CA2378035A1 Coded domain noise control
01/11/2001CA2378012A1 Coded domain echo control
01/11/2001CA2377966A1 Method for monitoring the bit transmission quality in packet-mode transmission
01/10/2001EP1067744A2 Layer 2 recovery protocol
01/10/2001EP1067730A1 Determining the transmission quality of a radio channel
01/10/2001EP1067729A2 Data transfer control system for mobile packet communications
01/10/2001EP1067728A2 Method for assigning transmission capacity to transmission links in a radio communication system
01/10/2001EP1067704A2 Method for controlling power for a communications system having multiple traffic channels per subscriber
01/10/2001EP1067695A2 Error correction method for high density disc
01/10/2001EP1066705A1 Iterative equalization and decoding
01/10/2001EP1066698A2 A packet-based telemedicine system for communicating information between central monitoring stations and remote patient monitoring stations
01/10/2001EP1066695A1 Parity determining apparatus and method
01/10/2001EP1066688A1 A decoder having a gain controller in a mobile communication system
01/10/2001CN1279857A Data compression negotiation in a telecommunication system
01/10/2001CN1279855A Synchronization acquiring circuit
01/10/2001CN1279553A Method for recognizing random access in public wireless channel
01/09/2001US6173429 Apparatus for providing error correction data in a digital data transfer system
01/09/2001US6173355 System for sending and receiving data on a universal serial bus (USB) using a memory shared among a number of endpoints
01/09/2001US6173230 Data link system between an aircraft and the ground and procedure for recovering from a failure
01/09/2001US6173024 Bit stream reproducing apparatus
01/09/2001US6173020 Demodulation circuit including error correction
01/09/2001US6173017 Transit modulator for jittering signals
01/09/2001US6173016 Transmission method, transmission apparatus and reception method and reception apparatus
01/09/2001US6173014 Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system
01/09/2001US6173007 High-data-rate supplemental channel for CDMA telecommunications system
01/09/2001US6173005 Apparatus and method for transmitting signals in a communication system
01/09/2001US6172994 Method and apparatus for creating a composite waveform
01/09/2001US6172992 Measuring device for the interface of a transmission link with full-duplex transmission in two-wire common band operation
01/09/2001US6172987 Switching compression routines with no loss of data
01/09/2001US6172970 Low-complexity antenna diversity receiver
01/08/2001CA2313167A1 Method for controlling power for a communications system having multiple traffic channels per subscriber
01/08/2001CA2313022A1 A sender-initiated recovery algorithm (sira) for the layer 2 tunneling protocol (l2tp)
01/04/2001WO2001001719A1 Bandwidth optimiser dynamically operating in connections relating to radiocommunications, particularly for dect systems
01/04/2001WO2001001705A1 Method for evaluating the quality of audio-visual sequences
01/04/2001WO2001001697A1 Time-varying randomization for data synchronization and implicit information transmission
01/04/2001WO2001001641A1 Method and system for random access of a radio channel
01/04/2001WO2001001628A1 Modulated message authentication system and method
01/04/2001WO2001001626A1 Apparatus and method for channel coding and multiplexing in cdma communication system
01/04/2001WO2001001624A1 System and method for implementing hybrid automatic repeat request using parity check combining
01/04/2001WO2001001623A1 Reducing interference probability in reception-side channel estimation in a radio telecommunication system
01/04/2001WO2001001619A1 Method and apparatus in a wireless communication system
01/04/2001WO2001001614A1 Method and system for adaptive voice buffering
01/04/2001WO2001001610A1 Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system
01/04/2001WO2001001605A1 High-speed data services using multiple transmit antennas
01/04/2001WO2001001602A1 Power control based on combined transmission quality estimates
01/04/2001WO2001001600A1 Apparatus and method for power control in a radio communication system
01/04/2001WO2001001584A2 Communications system and method for multi-carrier orthogonal coding
01/04/2001WO2001001581A1 Data integrity management for data storage systems
01/04/2001WO2001001580A1 Encoding rate detection method and encoding rate detection device
01/04/2001WO2001001158A1 Single ended measurement method and system for determining subscriber loop make up
01/04/2001WO2000056001B1 Method for adapting the mode of operation of a multi-mode code to the changing conditions of radio transfer in a cdma mobile radio network
01/04/2001CA2515674A1 Apparatus and method of controlling forward link power when in discontinuous transmission mode in a mobile communication system
01/03/2001EP1065880A2 Wireless communication system for transmitting images from an enabled electronic camera to receiver
01/03/2001EP1065857A2 Method for quick identification of special data packets
01/03/2001EP1065852A2 Trellis code for extended partial response maximum likelihood (EPRML) channel
01/03/2001EP1065823A1 Method for monitoring the bit transmission quality in a packet oriented transmission
01/03/2001EP1065804A2 Transmission/reception apparatus
01/03/2001EP1065790A1 Trellis coded modulation system
01/03/2001EP1064812A2 A method of establishing the carrier-to-interference ratio in a radio communication system and a communication device for carrying out the method
01/03/2001EP1064751A1 Forward error correction scheme for data channels using universal turbo codes
01/03/2001EP1064744A1 Method and apparatus for signal acquisition and power control
01/03/2001EP1064741A1 Digital audio broadcasting method using puncturable convolutional code
01/03/2001CN1278973A Method and apparatus for time efficient retransmission using symbol accumulation
01/03/2001CN1278933A Method and apparatus for using CRC for data integrity in on-chip memory
01/03/2001CN1278700A Method for reducing extra pay-expense of resource distribution in radio communication system
01/03/2001CN1278637A Method for coding signals
01/03/2001CN1060279C Inter processor asynchronous serial communication transmission/receptiuon apparatus using each other s memories
01/02/2001US6170076 Systematic punctured convolutional encoding method
01/02/2001US6170073 Method and apparatus for error detection in digital communications
01/02/2001US6170069 Bit error measuring device for modem device and bit error measuring method for the same
01/02/2001US6170025 Distributed computer system supporting remote interrupts and lock mechanism
01/02/2001US6169928 Apparatus and method for sharing data among a plurality of control devices on a communications network
01/02/2001US6169909 Mobile communication system with re-connect function for non-speech data communications
01/02/2001US6169883 Remote test of a subscriber connection in a system implementing a wireless subscriber connection
01/02/2001US6169773 System for synchronizing a block counter in a radio-data-system (RDS) receiver
01/02/2001US6169768 Receiving apparatus and method
01/02/2001US6169763 Characterizing a communication system using frame aligned test signals
01/02/2001US6169759 Common packet channel
01/02/2001US6169732 Method and apparatus in a wireless communication system
01/02/2001US6169731 Method and apparatus for signal acquisition and power control
01/02/2001US6169485 System and method of radio transmission between a radio transmitter and radio receiver
01/02/2001CA2169786C Frame erasure compensation techniques
12/2000
12/28/2000WO2000079831A1 Method for flow control
12/28/2000WO2000079763A1 Robust header compression in packet communications
12/28/2000WO2000079762A1 Estimation of time stamps in real-time packet communications