Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
09/1999
09/29/1999EP0946010A2 Receiver for receiving digital broadcast programmes
09/28/1999US5959967 Digital transmission system
09/28/1999US5959965 Digital broadcasting receiver
09/23/1999WO1999048227A1 Device and method for exchanging frame messages of different lengths in cdma communication system
09/23/1999CA2266219A1 Subscriber line tester
09/22/1999EP0944213A2 Digital broadcast receiver
09/22/1999EP0944205A2 Method and system for wireless communication
09/22/1999EP0944198A2 A method and apparatus for assigning codes
09/22/1999EP0944194A2 Receiver for the reception of digital broadcasts
09/22/1999EP0944193A2 Receiver for the reception of digital broadcasts
09/22/1999EP0944005A1 Arithmetic unit and method for fourier transform
09/22/1999CN1229553A Digital radio frequency interference canceller
09/21/1999US5956624 Method and system for simultaneously broadcasting and receiving digital and analog signals
09/21/1999US5956318 Orthogonal frequency division multiplexing
09/16/1999WO1999046880A1 Method and apparatus for mobile station location within a communication system
09/16/1999DE19860022A1 Transmitting procedure for cellular communication system
09/15/1999EP0942566A2 Reduction of peak to average power ratio in multicarrier systems
09/15/1999EP0942541A2 CDMA transmission apparatus with transmission power control
09/15/1999EP0941585A1 Radio communication system
09/15/1999CN1228649A Method for preventing collision of extended orthogonal
09/15/1999CN1228647A Transmitter and receiver, and communication system and communication method
09/10/1999WO1999045672A2 Wireless local area network system
09/10/1999WO1999045669A1 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system
09/10/1999CA2322543A1 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system
09/10/1999CA2265134A1 Cdma transmission apparatus
09/08/1999EP0940942A2 Synchronisation preamble and synchronisation protocol for a mobile communications system using multicarrier CDMA
09/08/1999EP0940939A2 Digital audio broadcast receiver comprising a system for quickly acquiring frame synchronization in the presence of noise
09/08/1999CN1228219A Method and device for variable-speed transmission
09/08/1999CN1228218A Multi-carrier transmission method and data transmitter
09/07/1999US5949814 High-data-rate supplemental channel for CDMA telecommunications system
09/07/1999US5949813 Method and system for simultaneously broadcasting and receiving digital and analog signals
09/02/1999WO1999044326A2 Ofdm frame synchronisation and equalisation system
09/02/1999WO1999044304A1 Bi-orthogonal code division multiple access system
09/02/1999CA2291001A1 Bi-orthogonal code division multiple access system
09/01/1999EP0939528A2 Carrier synchronisation for DAB reception
09/01/1999EP0939508A2 Method and apparatus for achieving data rate variability in orthogonal spread spectrum communications systems
09/01/1999EP0938796A1 Method for decoding complementary codes
09/01/1999EP0938795A2 Single chip vlsi implementation of a digital receiver employing orthogonal frequency division multiplexing
09/01/1999CN1227444A Spread spectrum signal generating device and method in transmitter of mobile communications system
08/1999
08/31/1999US5946292 Method and digital receiver for receiving orthogonal frequency-division multiplexed signals
08/25/1999EP0938208A1 Multicarrier transmission, compatible with the existing GSM system
08/25/1999EP0938203A1 Receiver and receiving circuit
08/25/1999EP0938199A2 Means for determining available reception frequencies in a receiver for the reception of digital broadcasts
08/25/1999EP0938198A1 Variable rate transmission and reception methods, and variable rate transmission and reception devices
08/25/1999EP0938193A1 Header structure for TDD systems
08/25/1999EP0937975A2 Microtome
08/25/1999EP0697153B1 Compensation for local oscillator errors in an ofdm receiver
08/25/1999CN1227022A Method and apparatus for superframe bit allocation in discrete multitone system
08/25/1999CN1227020A Variable rate transmission and reception methods and devices
08/25/1999CN1226795A Mobile cellular telecommunication network
08/24/1999US5943361 In a spread spectrum communication system
08/24/1999US5943331 Orthogonal code synchronization system and method for spread spectrum CDMA communications
08/24/1999CA2171418C Orthogonal frequency division multiplexing transmission system and transmitter and receiver therefor
08/19/1999WO1999041865A1 Modulating method, modulating device, demodulating method, and demodulating device
08/19/1999WO1999041847A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
08/19/1999CA2319559A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
08/18/1999EP0936749A1 Adaptive receiver for CDMA communication system
08/17/1999US5940438 For use in the modulation and demodulation of a signal
08/17/1999US5940434 Walsh-QPSK chip modulation apparatus for generating signal waveform in a direct sequence spread spectrum communication system
08/17/1999US5940406 Method of digital frequency correction in multicarrier transmission processes
08/11/1999EP0934638A2 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
08/11/1999CA2260329A1 Adaptive signal receiver for cdma communication system
08/05/1999WO1999039452A1 System and method for asynchronous cdma cellular communication
08/05/1999WO1999020027A3 Splitterless multicarrier modem
08/05/1999WO1998059523A8 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
08/04/1999EP0933903A2 Suppression of phase noise in multicarrier reception
08/04/1999EP0933897A2 Reduction of interference in duplex discrete multitone communications systems
08/03/1999US5933421 Method for frequency division duplex communications
07/1999
07/29/1999WO1999038301A1 Method for processing a signal consisting of data symbols
07/28/1999EP0932285A2 Reduction of instantaneous maximum power in multicarrier signals
07/28/1999CN1224292A Radio communication system, transmitting control and receiving apparatuses, and radio communication method
07/28/1999CN1224291A Multiband detector
07/27/1999US5930704 Reconfigurable subscriber terminal for a wireless telecommunications system
07/27/1999US5930231 Block spectrum receiver for a broadband communications system
07/27/1999CA2040558C Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in multicarrier modems
07/22/1999WO1999037040A1 Method and apparatus for transmitting information regarding the synchronization status of a base station
07/21/1999EP0930752A2 Method for allocating data and power in a discrete multitone communication system
07/21/1999EP0930738A2 Optimal complementary punctured convolutional codes for use in digital audio broadcasting and other applications
07/21/1999EP0929960A2 Method for eliminating interference in an ofdm radio receiver
07/21/1999CN1223757A System for radio transmission of digital signals between a plurality of subscriber stations and a base station
07/15/1999WO1999035772A1 Parallel transmission method
07/14/1999EP0929172A1 Multicarrier modulation system, with variable symbol rates
07/14/1999EP0929165A1 Multi-carrier transmission method and data transmitter
07/14/1999EP0929161A2 A multi-carrier CDMA transmission system with frequency and space diversity
07/14/1999EP0745290A4 A high-data-rate wireless local-area network
07/14/1999CN1223060A Communications WEBs for PSTN subscribers
07/13/1999US5923668 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
07/07/1999EP0928084A2 Universal modem for digital video, audio and data communications
07/07/1999CN1222276A Digital radio frequency interference canceller
07/07/1999CN1222269A Radio frequency noise canceller
07/06/1999US5920598 Receiving apparatus and receiving method
07/06/1999US5920595 Inter-cross wave compensation method and apparatus performing frequency conversion on signed not detected by a demodulating unit
07/06/1999US5920591 Spreading code generator and CDMA communication system
07/06/1999US5920552 Variable rate coding for wireless applications
07/06/1999CA2254643A1 Mobile cellular telecommunication network
06/1999
06/30/1999EP0926856A2 Crosstalk suppression in a radio network
06/30/1999EP0925672A1 Reduction of the peak to average power ratio in multicarrier modulation system
06/30/1999CN1221270A Modulation-demodulation device and method for orthogonal frequency division multiplex signal
06/30/1999CN1221262A Device and method for generating spread spectrum signal in CDMA mobile communications system
06/29/1999US5918160 Subscriber terminal for a wireless telecommunications system