| Patents for H04J 9 - Multiplex systems in which each channel is represented by a different type of modulation of the carrier (524) |
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| 01/27/2009 | US7483365 Process for obtaining notches in the transmission of signals over the electricity network |
| 01/15/2009 | DE102008031316A1 Leistungsdetektor-Radiofrequenzmultiplexer Radio frequency power detector-multiplexer |
| 01/06/2009 | US7474610 OFDM automatic frequency control device and method thereof |
| 12/30/2008 | US7471639 Method and system for modulating media packets |
| 12/30/2008 | US7471620 Method for the selection of forward error correction (FEC)/ constellation pairings for digital transmitted segments based on learning radio link adaptation (RLA) |
| 12/18/2008 | US20080310545 Mixed Waveform Configuration for Wireless Communications |
| 12/04/2008 | US20080298224 Methods and apparatus for mapping modulation symbols to resources in OFDM systems |
| 11/20/2008 | US20080285433 Reference sequence construction for fast cell search |
| 11/11/2008 | US7450489 Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices |
| 11/05/2008 | EP1886428A4 Two-dimensional pilot patterns |
| 11/04/2008 | US7447145 Data communication device selecting modulation method with an appropriate threshold value in adaptive modulation |
| 10/30/2008 | DE10339886B4 Verfahren zur Neusynchronisation eines Mobilfunkempfängers bei einem Umschalten zwischen zwei unterschiedlichen Modulationsverfahren Re-synchronization method of a mobile receiver when switching between two different modulation methods |
| 09/30/2008 | US7430162 Interleaving of information bits |
| 09/25/2008 | WO2008115363A1 System and method for broadband pulse detection among multiple interferers using a dynamic filter receiver |
| 09/09/2008 | US7423958 Transmitter for transmitting signals over radio channels and method for transmitting signals over radio channels |
| 08/28/2008 | US20080205258 Apparatus and method for transmitting and receiving map information in a communication system |
| 08/26/2008 | US7417944 Method for orderwire modulation |
| 08/20/2008 | EP1508212B1 Method and device for optical data transmission |
| 08/14/2008 | WO2008096038A1 Detection method and apparatus for a multi-stream mimo |
| 08/07/2008 | US20080186842 Detect-and-multiplex technique for spectrum sharing |
| 07/10/2008 | US20080165671 Transmitter Apparatus and Method for Transmitting Packet Data Units in a Communication System |
| 07/09/2008 | CN101217333A A transmission method and the corresponding acceptance method of channel resource reusing |
| 07/01/2008 | US7394864 Mixed waveform configuration for wireless communications |
| 06/24/2008 | US7391711 Method and system for adaptive modulation |
| 06/11/2008 | CN101199148A Two-dimension pilot frequency design |
| 05/20/2008 | US7376075 Circular constellations with coherent gain/differential phase and pilots |
| 05/15/2008 | WO2008056367A2 Apparatus and method for data communication over power lines |
| 05/15/2008 | US20080112308 Spectrum sharing in a wireless communication network |
| 05/01/2008 | US20080101210 Method and Apparatus for Characterizing Modulation Schemes in an HFC Network |
| 04/24/2008 | WO2008049028A1 Device, system, and method for partitioning and framing communication signals in broadband wireless access networks |
| 04/23/2008 | EP0989706B1 Clock regeneration circuit |
| 03/25/2008 | US7349675 Low latency data stream encoding and transmission |
| 03/25/2008 | US7349632 Method of wavelength selection control and wavelength variable filter device |
| 03/18/2008 | US7344087 IC card, IC card processor and IC card system to improve data transmission speed |
| 03/05/2008 | CN101136713A Time-frequency resource allocation method of OFDM access system |
| 02/28/2008 | US20080049597 Content-adaptive multimedia coding and physical layer modulation |
| 02/12/2008 | CA2291118C Clock regeneration circuit |
| 02/07/2008 | US20080031126 Mis-Matched Modulation-Demodulation Format Selectable Filters |
| 02/06/2008 | EP1884048A2 Transmission of signalling information in an ofdm communication system |
| 02/05/2008 | US7327669 OFDM modem system |
| 01/17/2008 | US20080013486 Wireless communication method and apparatus for using fractional channels to support communication services that use higher order modulation |
| 01/03/2008 | US20080002565 Incremental redundancy using high-order modulation and coding schemes |
| 01/01/2008 | US7315563 Multicarrier orthogonal spread-spectrum (MOSS) data communications |
| 12/27/2007 | US20070297382 Dual Packet Configuration for Wireless Communications |
| 12/19/2007 | CN101091338A Methods and apparatus for adjusting band width allocation in a wireless communications system |
| 12/13/2007 | US20070286067 Methods and Systems for Implementing a Pseudo-Noise Signaling Mechanism in Wireless Communication |
| 12/13/2007 | US20070286064 Transmission/reception apparatus and method for supporting both high rate packet data transmission and orthogonal frequency division multiplexing transmission in a mobile communication system |
| 12/13/2007 | US20070286062 Pilot based sampling frequency offset estimation and correction for an ofdm system |
| 12/11/2007 | US7307958 Tunnelling wireless voice with software-defined vocoders |
| 11/28/2007 | CN100352193C Resynchronous method for mobile wireless receiver in converting situation between two different modulating method |
| 11/27/2007 | US7301967 Method and apparatus for processing custom time division multiplexed signals |
| 11/08/2007 | US20070258353 Method and Apparatus for Blindly Separating Mixed Signals, and a Transmission Method and Apparatus of Mixed |
| 10/31/2007 | CN101065901A Spread frequency spectrum waveform generating circuit |
| 10/30/2007 | US7289424 Method and system for implementing a baseband compression scheme for a nonlinear multiplying up-converter for QPSK and OQPSK |
| 10/11/2007 | US20070237070 Methods for contention-based bandwidth requests in orthogonal frequency division multiplexing systems |
| 10/11/2007 | US20070237066 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems |
| 10/09/2007 | CA2382537C Method and system to synchronize mobile units to a base transceiver station |
| 10/04/2007 | US20070230324 Methods and Apparatus for Multi-Carrier Communication Systems with Adaptive Transmission and Feedback |
| 09/27/2007 | WO2007108966A2 Smart frequency-hopping by sub-channel transmissions |
| 09/27/2007 | US20070223361 Method for orderwire modulation |
| 09/27/2007 | US20070223360 Signal output circuit, communication apparatus and signal output control method |
| 09/25/2007 | US7274652 Dual packet configuration for wireless communications |
| 09/20/2007 | US20070217326 Method and system for transmitting a frame in a block transmission system and for decoding the frame thereof |
| 08/23/2007 | US20070195689 Method and system for adaptive modulation |
| 08/21/2007 | US7260055 Method for reducing channel estimation error in an OFDM system |
| 08/16/2007 | US20070189148 Signal transmitting method (variants) and device for carrying out said method |
| 08/01/2007 | EP1084554B1 Procedure and device for transmitting information by radio |
| 07/25/2007 | EP1810430A1 Methods and apparatus for adjusting band width allocation in a wireless communications system |
| 07/10/2007 | CA2220592C Optical path signal termination equipment |
| 06/28/2007 | WO2006119159A3 Transmission of signalling information in an ofdm communication system |
| 06/27/2007 | EP1800402A2 Spread frequency spectrum waveform generating circuit |
| 06/21/2007 | US20070140101 System and method for reducing peak-to-average power ratio in orthogonal frequency division multiplexing signals using reserved spectrum |
| 06/14/2007 | WO2005057825A3 Apparatus, and associated method, for communicating communication data in a multiple-input, multiple-output communication system |
| 05/31/2007 | US20070121482 Transmitting/receiving apparatus, method, program, recording medium, and integrating circuit used in communication network |
| 05/17/2007 | US20070109954 Exploiting selection diversity in communications systems with non-orthonormal matrix and vector modulation |
| 05/10/2007 | WO2006133600A8 Two-dimensional pilot patterns |
| 04/26/2007 | US20070091786 Transmitting data from a mobile station on an uplink in a spread spectrum cellular system |
| 04/19/2007 | US20070086327 Frequency offset differential pulse position modulation |
| 04/19/2007 | US20070086326 Frequency offset differential pulse position modulation |
| 03/22/2007 | US20070064587 Frequency offset differential pulse position modulation |
| 03/01/2007 | WO2007024307A2 High availability narrowband channel for bandwidth efficient modulation applications |
| 02/22/2007 | US20070041310 Interference cancellation method and receiver |
| 02/20/2007 | US7180850 Frequency offset differential pulse position modulation |
| 02/14/2007 | EP1602187B1 Method and system for a data transmission in a communication system |
| 01/31/2007 | CN1298123C 频移电路及频移方法 Frequency shift circuit and a frequency shift method |
| 01/11/2007 | US20070008875 Smart frequency-hopping control mechanism for mitigating against triggering silent radio squelch circuits by sub-channel transmissions from spectral reuse transceiver |
| 01/10/2007 | EP1742305A1 Mechanical rotation and electrical interface combination |
| 01/09/2007 | US7161895 OFDM-CDMA communication terminal apparatus and method |
| 01/02/2007 | US7158473 Transmitting/receiving apparatus, method, program, recording medium, and integrated circuit used in communication network |
| 12/28/2006 | WO2005060140A3 Module to module signaling with jitter modulation |
| 12/27/2006 | EP1735933A1 Dual mode communication systems and methods |
| 12/21/2006 | WO2006133600A1 Two-dimensional pilot patterns |
| 12/14/2006 | US20060280112 Signal transmitting apparatus, power supplying system, and serial communication apparatus |
| 11/09/2006 | WO2006118727A2 Method and apparatus for processing a return path signal |
| 11/08/2006 | CN1284339C Method and device for demodulating signal transmitted by multi carrier |
| 10/26/2006 | US20060239176 Method and apparatus for processing a return path signal |
| 10/12/2006 | WO2006106499A2 Dynamic bandwidth allocation based on partial cycles |
| 09/19/2006 | US7110350 Wireless LAN compatible multi-input multi-output system |
| 08/29/2006 | US7099266 Orthogonal frequency division multiplexed signal transmitting apparatus, orthogonal frequency division multiplexed signal receiving apparatus, and orthogonal frequency division multiplexed signal transmitting/receiving system |
| 08/22/2006 | US7095707 Apparatus and method for trellis encoding data for transmission in digital data transmission systems |