Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 11 - Orthogonal multiplex systems
Patents for H04J 11 - Orthogonal multiplex systems (25,498)
12/2000
12/06/2000EP1058435A1 Method and apparatus for inverse Fourier transform in pipelined architecture
12/06/2000EP1057287A2 Device and method for generating orthogonal codes in mobile communication system
12/06/2000EP1057279A1 System and method for asynchronous cdma cellular communication
12/06/2000CN1275843A Zero code element position test method, equipment and receiver
12/05/2000US6157611 Method and apparatus for transmission and construction of quasi orthogonal vectors
11/2000
11/30/2000WO2000072614A1 Wireless communication systems and methods using packet division multiple access
11/30/2000WO2000072543A1 Reduction of peak to average power ratio in multicarrier transmission
11/30/2000WO2000072488A1 Digital subscriber's line transmitting method and device
11/30/2000WO2000049816A3 Code allocation in connection with soft handover in cdma system
11/30/2000WO2000045518A3 Method and apparatus for reducing peak-to-average ratio in a cdma communication system
11/29/2000EP1056250A2 Reduction of peak to average power ratio and of equaliser complexity in multicarrier transmission systems
11/29/2000EP1056249A2 Multicarrier receiver with noise detection and frequency control
11/29/2000EP1055291A1 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/28/2000US6154456 Apparatus and method for digital data transmission using orthogonal codes
11/23/2000WO2000070802A1 Signal receiver and method of compensating frequency offset
11/23/2000WO2000027040A3 Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system
11/22/2000EP1054541A2 Mutlicarrier receiver with soft decisions based on estimates of interference
11/22/2000EP1054540A2 Null symbol position detecting method, null symbol position detecting apparatus, and receiver
11/22/2000EP1054538A2 Fast training of equalizers in discrete multi-tone (DMT) systems
11/22/2000EP1053648A1 Channel spreading device and method in cdma communication system
11/22/2000CN1274498A Quasi-orthogonal code mask generating device in mobile communication system
11/22/2000CN1274214A Transmitting/receiving device and its modulation method and estimation method
11/22/2000CN1274212A Empty signal detector
11/21/2000US6151372 Diversity receiver
11/21/2000US6151369 Digital broadcast receiver
11/21/2000US6151332 Protocol conversion and bandwidth reduction technique providing multiple nB+D ISDN basic rate interface links over a wireless code division multiple access communication system
11/21/2000US6151296 Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals
11/21/2000US6151295 OFDM receiving system
11/16/2000WO1999053665A8 Frame structure and frame synchronization for multicarrier systems
11/15/2000EP1052822A1 Programmable OFDM digital demodulator
11/15/2000EP1052821A2 Multicarrier receiver with detection of constellation size
11/15/2000EP1052799A2 Flexible channeliser
11/15/2000EP1051869A1 Air interface capacity scheduling method
11/15/2000EP1051818A1 Frequency synchronizing device for ofdm/cdma system
11/15/2000CN1273735A System and method for discrete multitone communication
11/15/2000CN1273720A Method and apparatus for providing orthogonal spot beams, sectors and picocells
11/15/2000CN1273716A 数据传输方法和移动电话系统 Data transmission method and a mobile telephone system
11/15/2000CN1273466A Orthogonal frequency division multiplex transmitting/receiving system and block coding method thereof
11/14/2000US6148045 Digital broadcast receiver
11/14/2000US6148024 FFT-based multitone DPSK modem
11/14/2000US6147964 Method and apparatus for performing rate determination using orthogonal rate-dependent walsh covering codes
11/10/2000CA2307907A1 Implementation of orthogonal narrowband channels in a digital demodulator
11/08/2000EP1050988A1 Communication device and method
11/08/2000EP1050987A1 CDMA multiple access method with improved capacity
11/08/2000EP1050143A1 Method for processing a signal consisting of data symbols
11/08/2000EP1050118A1 Method and apparatus for transmitting information regarding the synchronization status of a base station
11/08/2000CN1272991A OFDMA signal transmitting apparatus and method
11/07/2000US6144707 Apparatus for receiving broadcasting signals
11/07/2000US6144705 Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using precanceling scheme
11/07/2000US6144704 Phase domain multiplexed communications system
11/02/2000WO2000065792A1 A windowing function for maintaining orthogonality of channels in the reception of ofdm symbols
11/02/2000WO2000065710A1 Synchronization of ofdm signals with improved windowing
11/02/2000WO2000064373A1 Data transmission within a spread-spectrum communication system
11/02/2000EP1049342A2 Communications webs for PSTN subcribers
11/02/2000EP1049334A1 Signal transmission system
11/02/2000EP1049308A1 Communication device and method
11/02/2000EP1049302A1 Synchronization preamble in an OFDM system
11/02/2000EP1049301A2 Sampling clock correction in a multicarrier receiver
11/02/2000EP1049284A2 Multiresolution transmission with multicarrier signals
11/02/2000EP1049283A2 Multiresolution transmission with multicarrier signals
11/02/2000EP1049282A2 Multiresolution modulation with multicarrier signals
11/02/2000EP1048138A2 Device and method for generating spreading code and spreading channel signals using spreading code in cdma communication system
11/02/2000EP1048119A1 Orthogonal signal transmitter
11/01/2000CN1272266A Method for generating quasi-orthogonal code and spreader using same in mobile communication system
11/01/2000CN1272014A Optimized synchronous prestructure
10/2000
10/31/2000US6141332 Orthogonal code synchronization system and method for spread spectrum CDMA communications
10/26/2000WO2000064196A1 Fiber-optic subscriber transmission system
10/26/2000WO2000064116A1 Ofdm demodulator with phase correction of the i-q signals
10/26/2000CA2370768A1 Digital subscriber optical fiber transmission system
10/25/2000EP1047218A2 Methods and apparatus for downlink diversity in CDMA using walsh codes
10/25/2000EP1047215A2 A method of enhancing security for the transmission of information
10/25/2000CN1271477A Communication system and method with orthogonal block encoding
10/25/2000CN1271220A 频移电路及频移方法 Frequency shift circuit and a frequency shift method
10/25/2000CN1271219A Method and apparatus for down link diversity using volsch code in CDMA
10/25/2000CN1057884C System and method for generating single waveforms in CDMA celular telephone system
10/24/2000US6137848 Method and system for joint timing recovery and channel estimation for DMT modems
10/23/2000CA2598677A1 Optimized synchronization preamble structure
10/19/2000WO2000027040A9 Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system
10/19/2000WO2000025471A9 Method for displaying the modulation error of a multiple carrier signal
10/19/2000WO2000021214A8 Orthogonal transmit - receive diversity technique and device
10/19/2000CA2302140A1 A method of enhancing security for the transmission of information
10/18/2000EP1045561A2 Frequency correction in multicarrier receivers
10/18/2000EP1045541A2 Multiresolution transmission and error correction coding with multicarrier signals
10/18/2000EP1044544A1 Reduction of the crest factor in ofdm signal
10/18/2000EP1044519A1 Cdma radio communication system
10/18/2000CN1270721A Method of and apparatus for transmitting data in a multiple carrier system
10/18/2000CN1270716A Apparatus and method for transmitting signals in a communication system
10/17/2000US6134283 Method and system for synchronizing time-division-duplexed transceivers
10/17/2000US6134267 Detection method for the transmitter identification information signal in the null symbol of a DAB stream
10/17/2000US6134215 Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel
10/12/2000WO2000060805A2 Method for synchronisation
10/11/2000EP1043875A2 Receiver for discrete multitone modulated signals having window function
10/11/2000EP1043861A1 Frequency hopping multicarrier transmission in segmented cells
10/11/2000EP1043858A1 Transmitting/receiving device and transmitting/receiving method
10/11/2000EP1043857A1 Ofdm transmitting/receiving device and method
10/11/2000EP1043653A2 Multiple function processor for communication signals
10/11/2000CN1269934A Rate detection for variable rate CDMA communication system
10/11/2000CN1269933A Channelization code allocation for radio communication system
10/11/2000CN1269927A Method for assigning spreading codes
10/10/2000US6130915 Process for transferring digital data via interference-affected radio channels and device for receiving digital data transmitted via interference-affected radio channels
1 ... 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 ... 255