Patents
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
02/2001
02/20/2001CA2206766C A practical means for digital generation and combination of a multiplicity of cdma/fdma signals
02/17/2001CA2315579A1 Method of providing downlink transmit diversity
02/15/2001WO2001011897A2 Method and apparatus for orthogonal code hopping multiplexing communications
02/15/2001WO2001011827A1 Wireless local network and method for transmitting data in the network
02/14/2001EP1075769A1 Resource allocation
02/14/2001EP1075664A1 Method and apparatus for characterizing multipath interference in circularly polarized signals
02/14/2001EP0909521B1 Communications webs for pstn subscribers
02/14/2001CN1284243A Air interface capacity scheduling method
02/07/2001EP1075104A2 Scrambling codes and channelization codes for multiple chip rate signals in CDMA cellular mobile radio communication system
02/07/2001EP1075103A1 Communication device and communication method
02/07/2001CN1283019A Orthogonal freguency division multiplex communication device
02/06/2001US6185257 Method for simplifying the demodulation in multiple carrier transmission system
02/06/2001US6185246 System and method for orthogonal spread spectrum sequence generation in variable data rate systems
02/06/2001US6185197 Control message transmission in telecommunications systems
02/01/2001WO2001008433A1 Cellular system and communication method according to multi-code cdma
02/01/2001WO2001008327A1 Method for the multiple use of speech channels in a telecommunications system and devices for carrying out the method
02/01/2001WO2001008316A1 Method and apparatus for data transmission
02/01/2001DE10027216A1 Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem Apparatus and method for modulating a data message through the use of codes with orthogonal variable spreading factor (OVSF) in a mobile communication system
02/01/2001CA2378177A1 Method and apparatus for data transmission
01/2001
01/31/2001EP1073241A2 Symbol synchronisation in multicarrier transmission
01/31/2001EP1073231A2 Signal encoding for transmission of multiple digital signals over single physical medium
01/31/2001EP1073224A2 Strategy for switching to Alternative Frequencies (AF) for Digital Radio Mondiale (DRM)
01/31/2001EP1072138A1 Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems
01/31/2001EP1072137A1 Coarse frequency synchronisation in multicarrier systems
01/31/2001EP1072136A1 Differential coding and carrier recovery for multicarrier systems
01/31/2001EP1072135A1 Frame structure and frame synchronisation for multicarrier systems
01/31/2001EP1072120A1 Apparatus and method for allocating forward common channels in cdma communication system
01/31/2001EP1072112A2 Hybrid and all digital fm in-band-on-channel digital audio broadcasting method and system
01/30/2001US6181714 Multi-carrier transmission systems
01/25/2001WO2001006693A1 Method and device for generating a channel and subscriber-coded message signal
01/25/2001WO2001006690A1 On-board receiver
01/25/2001WO2001006689A1 Vehicle-to-roadside communication system, roadside communication station, and on-board mobile station
01/25/2001DE19933535A1 Synchronisationsverfahren zur Datenübertragung Synchronization method for data transmission
01/24/2001EP1071269A1 Transmission method for subscriber line
01/24/2001EP1071260A1 Communication device and method of eliminating intereference in this communication device
01/24/2001EP1071238A2 Universal modem for digital video, audio and data communications
01/24/2001EP1071237A2 Universal modem for digital video, audio and data communications
01/24/2001EP1071236A2 Universal modem for digital video, audio and data communications
01/24/2001EP1071235A2 Universal modem for digital video, audio and data communications
01/24/2001EP1071221A1 Method to reduce the power consumption of radio receiver
01/24/2001EP1070401A1 Cellular radio signal with additional channel assigned to downlink, corresponding method, system and base station
01/24/2001EP1070400A1 Orthogonal frequency division multiplexing receiver system
01/23/2001US6178330 Point-multipoint radio transmission system
01/23/2001US6178175 Circuit array and method for creating a data feedback channel from receiver to transmitter in a common frequency network
01/18/2001WO2001005065A1 Roadside transmitter
01/18/2001WO2001005058A1 Mobile telecommunication system comprising an adaptive base station antenna
01/18/2001WO2001005051A1 Method for increasing the capacity of a orthogonal waveform multiple access network, and associated units
01/18/2001WO2001005050A1 Channel assignment apparatus and method for common packet channel in a wcdma mobile communication system
01/17/2001EP1069740A2 Synchronisation method for multicarrier transmission
01/17/2001EP1069725A2 Spread spectrum, multicarrier transmission
01/17/2001CN1280427A 通信终端设备 Communication terminal device
01/16/2001US6175560 Apparatus and method of establishing and maintaining communication paths in a wireless telecommunications system
01/16/2001US6175550 Orthogonal frequency division multiplexing system with dynamically scalable operating parameters and method thereof
01/11/2001WO2001003366A1 Apparatus and method for encoding/decoding transport format combination indicator in cdma mobile communication system
01/11/2001WO2001003347A1 Apparatus of compensating for frequency offset using pilot symbol in an orthogonal frequency division multiplexing system
01/11/2001WO2000060805A3 Method for synchronisation
01/10/2001EP1067719A1 Method to verify that an identical service is transmitted on an alternative frequency to the currently received frequency
01/10/2001EP1067710A1 Mobile telecommunication system comprising an adaptive base station antenna
01/10/2001EP1066729A1 Flexible radio access and resource allocation in a universal mobile telephone system (umts)
01/10/2001EP1066707A1 Frame synchronisation in multi-carrier transmission systems
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
01/09/2001US6172993 Frame synchronization method and apparatus for use in digital communication system utilizing OFDM method
01/04/2001WO2001001618A1 Method of associating a training code to a channelisation code in a mobile telecommunication system
01/04/2001WO2001001617A1 Cdma communication system
01/04/2001WO2001001593A1 Synchronisation codeword for interference reduction in a cdma system
01/03/2001EP1065849A1 Transmission method for multi-MOK modulation/demodulation
01/03/2001EP1065804A2 Transmission/reception apparatus
01/03/2001EP1064741A1 Digital audio broadcasting method using puncturable convolutional code
01/03/2001CN1278698A Method for shearing capacity in CDMA mobile radio communication system
01/03/2001CN1278680A Optimized synchronous head structure
01/02/2001US6169768 Receiving apparatus and method
12/2000
12/28/2000WO2000079717A1 Communication system and communication method
12/28/2000WO2000079712A1 Method and apparatus for determining transmission mode and synchronization for a digital audio broadcasting signal
12/28/2000WO2000079710A1 Method for estimating signal-to-noise ratio of digital carriers in an am compatible digital audio broadcasting system
12/28/2000WO2000057654A3 Code reservation for interference measurement in a cdma radiocommunication system
12/28/2000DE19925925A1 Radio signal transmission method involves detecting signal quality and ID number for radio programme from radio signals and using carrier signal giving best quality
12/28/2000CA2374212A1 Method and apparatus for determining transmission mode and synchronization for a digital audio broadcasting signal
12/28/2000CA2374182A1 Method for estimating signal-to-noise ratio of digital carriers in an am compatible digital audio broadcasting system
12/28/2000CA2336686A1 Communication device and communication method
12/27/2000EP1063780A2 Spread spectrum channel estimation sequences
12/27/2000CN1278129A Device and method used for double othogonal code jump multi-address communication system
12/21/2000WO2000077961A1 Apparatus and method for achieving symbol timing and frequency synchronization to orthogonal frequency division multiplexing signal
12/20/2000EP1061746A1 Channel decoder for a digital broadcast receiver
12/20/2000EP1061705A1 Optimized synchronization preamble structure for OFDM system
12/20/2000EP1061704A1 Fast Fourier transform method and apparatus for OFDM demodulation
12/20/2000EP1061682A2 Wireless communications system with secondary synchronization code based on values in primary synchronization code
12/20/2000EP1061680A1 A method for sharing capacity in a CDMA mobile radiocommunication system
12/20/2000EP1060588A1 Apparatus for incorporating multiple data rates in an orthogonal direct sequence code division multiple access (ods-cdma) communications system
12/20/2000EP1060578A1 Device and method for spreading channels in mobile communication system
12/20/2000CN1277526A Apparatus and method for modulating data information using orthogonal variable extended system digit code
12/20/2000CN1277503A Method for intensifying security of information transmission
12/19/2000US6163524 Code allocation in CDMA
12/16/2000CA2310393A1 Optimized synchronization preamble structure
12/13/2000EP1059818A2 Improved random access preamble coding for initiation of wireless mobile communications sessions
12/13/2000EP1059748A2 Soft selection combining method in a digital transmission system based on successive erasures of frequency band components
12/13/2000CN1276928A Multi-carrrier transmitting apparatus and method
12/12/2000US6160821 Synchronization of digital communication systems
12/12/2000US6160820 Multi-carrier transmission systems
12/07/2000WO2000074244A1 Droop-free quasi-continuous reconstruction filter interface