| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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| 11/03/2004 | EP1368943A4 Apparatus and method for network-initiated real-time multi-party communications |
| 11/03/2004 | CN1543102A A novel OFDM frequency deviation evaluation and tracking scheme |
| 11/02/2004 | US6813326 Data transmission system, data transmission communication station, and data transmission method |
| 11/02/2004 | US6813320 Wireless telecommunications multi-carrier receiver architecture |
| 11/02/2004 | US6813284 Method and apparatus for allocating data streams given transmission time interval (TTI) constraints |
| 11/02/2004 | CA2208460C Frequency synchronized bidirectional radio system |
| 10/28/2004 | WO2004092911A2 System and method for preventing phantom data communication links |
| 10/28/2004 | US20040213293 Bit and power allocation scheme for full-duplex transmission with echo cancellation in multicarrier-based modems |
| 10/28/2004 | US20040213216 System and method for preventing phantom data communication links |
| 10/28/2004 | US20040213212 Methods and systems for automatic communication line management based on device location |
| 10/28/2004 | DE10004886B4 Empfänger und Empfangsverfahren für eine modulierte Welle Receiver and method of receiving a modulated wave |
| 10/27/2004 | EP1470701A1 Device and method for avoiding retraining processes in integrated voice and xdsl data transmission |
| 10/27/2004 | EP1470481A1 Object-oriented framework for generic adaptive control |
| 10/27/2004 | EP0847643B1 Method for simplifying the demodulation in multiple carrier transmission system |
| 10/27/2004 | CN1541453A Transmitting device limiting out-of-band interferences |
| 10/27/2004 | CN1540895A Method of self-adapting sub band Turbo encoding modulation in use for OFDM |
| 10/26/2004 | US6810027 Multi-carrier transmitting apparatus and method |
| 10/26/2004 | US6810016 Trunking alarm aggregation method and apparatus |
| 10/21/2004 | WO2004090693A2 Methods and systems for determining network integrity and providing improved network availability |
| 10/21/2004 | US20040208136 Physical random access channel for slotted wireless communication systems |
| 10/20/2004 | EP1468495A1 Method and apparatus for optimizing dynamic range of a wideband analog-to-digital converter |
| 10/20/2004 | EP0839423B1 Pulse shaping for multicarrier modulation |
| 10/20/2004 | CN1172549C Method for transmitting high speed down stream packet switched data in inteligence antenna mobile communication system |
| 10/19/2004 | CA2294452C Metropolitan wide area network |
| 10/14/2004 | WO2004088929A1 End office repeater, repeating method |
| 10/14/2004 | WO2004088858A2 Method and apparatus for improved data transmission |
| 10/14/2004 | US20040205817 Television program broadcasting system |
| 10/14/2004 | US20040202124 Subchannels for a wireless slotted communication system |
| 10/13/2004 | EP1417587A4 Method and system for allocating protection path resources |
| 10/13/2004 | CN1536805A Channel protection method ketween plates in wavelength division multiplexing system |
| 10/13/2004 | CN1171495C System and method for performing soft hand off between frequency division duplex and time division duplex communication system |
| 10/12/2004 | US6804192 OFDM/DMT digital communications system including partial sequence symbol processing |
| 10/07/2004 | WO2004086652A1 Method and apparatus for processing multiple common frequency signals through a single cable |
| 10/07/2004 | US20040199683 Admission control system for home video servers |
| 10/07/2004 | US20040199554 Frame synchronization in multicarrier transmission systems |
| 10/07/2004 | US20040196785 Congestion notification process and system |
| 10/06/2004 | EP0944967A4 Digital satellite direct broadcast system |
| 10/06/2004 | CN1535041A Transfer block size (TBS) signalling intensification |
| 10/05/2004 | US6801121 Pager having simultaneous multichannel scanning function and data transmitting/receiving method thereof |
| 09/30/2004 | US20040190639 Channel estimation in a multi carrier transmit diversity system |
| 09/30/2004 | US20040190557 Signaling packet |
| 09/30/2004 | US20040190480 Method and apparatus for processing multiple common frequency signals through a single cable |
| 09/29/2004 | EP1463221A1 Modulation/demodulation apparatus using matrix and anti-matrix |
| 09/29/2004 | EP1461882A2 Method and system for topology construction and path identification in a two-level routing domain operated according to a simple link state routing protocol |
| 09/29/2004 | EP0993708B1 Method and apparatus for selecting a resource in a communication system with resources having unbalanced load capacity |
| 09/29/2004 | CN1533650A Receiving unit for searching for at least on unused transmission channel in communications device and using method |
| 09/29/2004 | CN1533644A Method and apparatus for WALSH space assignment in communication system |
| 09/28/2004 | US6798848 Architecture for multi-carrier receiver |
| 09/28/2004 | US6798789 Priority enhanced messaging and method therefor |
| 09/28/2004 | US6798738 FFT window position recovery apparatus and method for OFDM system receiver |
| 09/23/2004 | WO2004081745A2 Methods and systems for dynamic, rules-based peg counting |
| 09/23/2004 | US20040183725 Information network building method and network connection circuit |
| 09/22/2004 | CN1531690A Digital demodulator for terrestrial receiver |
| 09/22/2004 | CN1531295A Method and method for modulating bias linear modulation pulses |
| 09/22/2004 | CN1168257C Automatic gain control for improved decoding of multi-carrier signal |
| 09/22/2004 | CN1168239C Single or multiple way non-guide phase interference demodulating device and relative multi-way receiving module |
| 09/21/2004 | US6795404 Device for aggregating, translating, and disseminating communications within a multiple device environment |
| 09/16/2004 | WO2004049615A3 Methods and systems for automatic forwarding of communications to a preferred device |
| 09/16/2004 | US20040179662 Apparatus and method for communicating voice and data between a customer premises and a central office |
| 09/16/2004 | US20040179626 Method and system for increased bandwidth efficiency in multiple input - multiple output channels |
| 09/16/2004 | US20040179551 Method and apparatus for transport of control information over a data link |
| 09/16/2004 | US20040179478 Physical layer (PHY) with power off alert (POA) and alerting method thereof |
| 09/15/2004 | EP1458114A2 Methods and apparatus for offset chirp modulation |
| 09/15/2004 | EP1457076A1 Flexible carrier utilisation |
| 09/15/2004 | CN1529953A Method and apparatus for allocation data streams given transmission time interval (TTI) constraints |
| 09/15/2004 | CN1167268C Method for communication access network and device for realizing such method and communication access network |
| 09/09/2004 | US20040176033 Wireless communication system and transmit power and data rate control method therefor |
| 09/09/2004 | DE10297029T5 Mischwellenformgestaltung für drahtlose Kommunikationen Mixed waveform design for wireless communications |
| 09/08/2004 | EP1454425A1 Method and system for multicasting messages to select mobile recipients |
| 09/08/2004 | EP1454250A2 System and method for modifying a video stream based on a client or network environment |
| 09/08/2004 | CN1527488A Starting of multi-xDSL modulator-demodulator with hidden channel probe |
| 09/08/2004 | CN1166107C Communication equipment and system |
| 09/08/2004 | CN1166090C Correction for N end receiver |
| 09/07/2004 | US6788349 Method and system for broadcasting a digital data signal within an analog TV signal using Orthogonal Frequency Division Multiplexing |
| 09/02/2004 | WO2004075460A2 Method and apparatus for frequency division multiplexing |
| 09/02/2004 | DE102004006355A1 Verringerung der Stromaufnahme in Datenverteilern Reduce the power consumption in data distributors |
| 09/02/2004 | DE102004001656A1 Verfahren und Vorrichtung für eine adaptive Erfassung von Voice-Over-Paket-Daten (VOP-Daten) Method and apparatus for an adaptive detection of voice-over-packet data (VOP data) |
| 09/01/2004 | EP1453229A1 Multi-carrier cdma transmission system and transmission method |
| 09/01/2004 | EP1451948A1 Multi-channel broadband content distribution system |
| 09/01/2004 | EP1451942A1 Method of selecting a receiving path and receiving device comprising several receiving paths |
| 08/31/2004 | US6785240 Method for estimating the traffic matrix of a communication network |
| 08/26/2004 | WO2004049614A3 Methods and systems for call management with user intervention |
| 08/26/2004 | WO2004049608A3 Methods and systems for conference call buffering |
| 08/26/2004 | US20040168110 Inter-network and inter-protocol video conference privacy method, apparatus, and computer program product |
| 08/26/2004 | US20040165672 Upstream communication system with controllable band pass filter properties |
| 08/26/2004 | US20040165616 Networks for telephony and data communication |
| 08/25/2004 | EP1449310A1 Dynamic allocation of frequency spectrum |
| 08/25/2004 | EP1163818B1 Method and base station for allocating a channel required for a radio transmission |
| 08/25/2004 | EP0296175B2 Method and installation for digital communication, particularly between and toward moving vehicles |
| 08/25/2004 | CN1524390A Network and methof for connecting antennas to base stations in a wireless communication network using space diversity |
| 08/25/2004 | CN1523795A Method for obtaining OFDM system coarse synchronizing using PN code synchronous channel |
| 08/25/2004 | CN1164056C Coarse frequency deviation estimate device and method in orthogonal frequency-division multiplexing receiver |
| 08/24/2004 | US6781975 Wireless telecommunications system with a CDMA, FDMA and TDMA multiple access component, especially a “JD-CDMA” telecommunications system with hybrid multiple access techniques |
| 08/19/2004 | WO2004057821A3 System and method for communicating digital information using time-and-frequency-bounded base functions |
| 08/19/2004 | WO2004049676A3 Methods and systems for remote call establishment |
| 08/19/2004 | WO2004049130A3 Methods and systems for directory information lookup |
| 08/19/2004 | US20040163120 Cable modem system with sample and packet synchronization |
| 08/19/2004 | US20040161049 Communication system |
| 08/19/2004 | US20040160988 Method and apparatus for frequency division multiplexing |
| 08/19/2004 | US20040160898 Reducing power consumption in data switches |