Patents
Patents for H04B - Transmission (2,303)
02/2005
02/24/2005US20050044151 Asynchronous mechanism and message pool
02/24/2005US20050041681 Method and apparatus for transmitting and receiving MBMS packet data and control information
02/17/2005WO2005015755A2 Systems and methods for three dimensional antenna selection and power control in an ad-hoc wireless network
02/17/2005WO2005015753A2 Improved radio frequency digital-to-analog converter
02/17/2005WO2005015752A2 Noise shaped interpolator and decimator apparatus and method
02/17/2005WO2004107588A3 Method and device for frequency translation in powerline communications
02/17/2005WO2003090364B1 Orthogonalized spatial multiplexing for wireless communication
02/17/2005US20050036463 Method and apparatus for efficient simultaneous re-activation of multiple dormant service instances in a CDMA2000 network
02/17/2005US20050036174 Method and apparatus for providing a noise estimation for automatic selection of dither patterns in low frequency watermarks
02/10/2005WO2005013497A2 Method of creating, controlling, and maintaining a wireless communication mesh of piconets
02/10/2005WO2005013496A2 Apparatus for and method of using a diversity antenna
02/10/2005WO2005013495A2 Space efficient low power cyclic a/d converter
02/10/2005WO2004084418A3 Method of providing a covert security feature
02/10/2005US20050033806 System and method for communicating images between intercommunicating users
02/10/2005US20050031357 Controlling the extinction ratio in optical networks
02/10/2005US20050030121 Variable attenuation system having continuous input steering
02/10/2005US20050030072 Fast lock phase lock loop and method thereof
02/09/2005EP1264412A4 Complex signal decomposition and modeling
02/03/2005WO2005011159A1 Single-fiber protection in telecommunications networks
02/03/2005WO2005011134A2 Method and system for delivery of assistance data
02/03/2005WO2004054117A3 A power line communication system and method of operating the same
02/03/2005US20050028043 Method and apparatus for providing tandem connection, performance monitoring, and protection architectures over ethernet protocols
02/03/2005US20050025194 Method for downlink transmission synchronization and data buffer sizing in a radio access network
02/03/2005US20050024250 Space efficient low power cyclic A/D converter
02/03/2005US20050024187 System and method for optimizing power usage in a radio frequency communication device
02/03/2005US20050024112 Pulse width modulated common mode feedback loop and method for differential charge pump
02/03/2005US20050024106 Charge pump system for fast locking phase lock loop
02/03/2005CA2831170A1 Method and system for delivery of assistance data
02/03/2005CA2532650A1 Method and system for delivery of assistance data
02/02/2005EP1503517A2 Method and apparatus for increasing receiver immunity to interference
02/02/2005EP1502378A2 Switch frame, method of transmitting the switch frame and a quality indicator channel structure including the switch frame
02/01/2005US6850560 Data transmission method, terminal equipment and data transmission system
01/2005
01/27/2005WO2005008906A2 Multiplexed-input-separated sigma-delta analog-to-digital converter design for pixel-level analog-to-digital conversion
01/27/2005WO2005008904A2 Variable attenuation system having continuous input steering
01/27/2005WO2005008903A2 A power line communication system and method of operating the same
01/27/2005WO2005008902A2 A power line communication system and method of operating the same
01/27/2005WO2005008901A2 Wireless signal coding and authentication
01/27/2005WO2003090364A3 Orthogonalized spatial multiplexing for wireless communication
01/27/2005US20050019036 System and method for performing high-speed communications over fiber optical networks
01/27/2005US20050019031 Single-fiber protection in telecommunications networks
01/27/2005US20050017776 Chopped charge pump
01/26/2005CN1186885C 差分线路驱动器 Differential Line Driver
01/25/2005US6847826 Method of synchronization of a base station network
01/20/2005WO2005006576A2 Controlling the extinction ratio in optical networks
01/20/2005WO2005006575A2 Optical transceiver module with power integrated circuit
01/20/2005WO2005006573A2 Method and system for coded null packet-aided synchronization
01/20/2005WO2005006569A2 Multiple format radio frequency receiver
01/20/2005WO2005006566A2 Adaptive audio communication code
01/20/2005WO2004073175A3 Adaptive input logic for phase adjustments
01/20/2005US20050014523 Apparatus, and an associated method, for facilitating power control in a radio communication system that provides for data communications at multiple data rates
01/19/2005EP1499046A2 Precision timing generator system and method
01/18/2005US6845102 Method and system for network access over a low bandwidth link
01/18/2005CA2363344C System for direct communications with a space craft
01/13/2005WO2005004339A2 Context sensitive streaming system and method
01/13/2005WO2005004338A2 Reduced complexity sliding window based equalizer
01/13/2005WO2005004337A2 Method for downlink transmission synchronization
01/13/2005WO2005004333A2 Gain compensated fractional-n phase lock loop system and method
01/13/2005WO2005004332A2 Improved charge pump system for fast locking phase lock loop
01/13/2005WO2005004331A2 Differential charge pump phase lock loop (pll) synthesizer with adjustable tuning voltage range
01/13/2005WO2005004315A2 Chopped charge pump
01/13/2005US20050010752 Method and system for operating system anti-tampering
01/13/2005US20050008067 Detection apparatus and method
01/13/2005CA2544581A1 Method for downlink transmission synchronization
01/13/2005CA2530518A1 Reduced complexity sliding window based equalizer
01/06/2005WO2005002070A2 Correlation interferometer geolocation
01/06/2005WO2005002069A2 Fast lock phase lock loop and method thereof
01/06/2005WO2005002067A2 Multi-carrier spread spectrum using non-linear modification of sub-carrier bands
01/06/2005WO2005002065A2 Ultra-wideband communication through local power lines
01/06/2005WO2005001284A2 Pulse width modulated common mode feedback loop and method for differential charge pump
01/06/2005US20050005205 Method and system for coded null packet-aided synchronization
01/06/2005US20050003781 Multiple format radio frequency receiver
01/06/2005US20050003774 Synchronization of optical signaling beacons
01/06/2005US20050001694 Power line communication system and method of operating the same
01/05/2005CN1183688C Communication protocol between a communication device and an external accessory
12/2004
12/30/2004US20040264713 Adaptive audio communication code
12/30/2004US20040264602 Adjacent channel rejection device, receiving apparatus and method of operating a receiving apparatus
12/30/2004US20040264592 Polarization state techniques for wireless communications
12/29/2004WO2004114532A2 Method of generating complex waveforms and modulating signals
12/29/2004WO2004114531A2 Method and apparatus for providing a noise estimation for automatic selection of dither patterns in low frequency watermarks
12/29/2004WO2004114530A2 Systems, devices, and methods for controlling non-linear optical interactions
12/29/2004WO2004114528A2 Method and system for operating system anti-tampering
12/29/2004WO2004075420A3 Method and apparatus for increasing orthogonal code space in a cdma ran
12/29/2004EP1492262A2 Method and apparatus for variable rate communication
12/28/2004US6836226 Ultra-wideband pulse modulation system and method
12/28/2004US6836223 Ultra-wideband pulse modulation system and method
12/23/2004WO2004112264A2 System and method for performing high-speed communications over fiber optical networks
12/23/2004WO2004112263A2 Multiple access communication system for moveable objects
12/23/2004WO2004112260A2 Ofdma system and method
12/23/2004WO2004066509A3 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode
12/23/2004WO2003005525A8 System and method for managing object based clusters
12/23/2004US20040257123 Method of generating complex waveforms and modulating signals
12/22/2004CN1181696C Wireless telecommunications system utilizing CDMA radio frequency signal modulation
12/16/2004WO2004109936A2 Power control in frame formatted data communication system
12/16/2004WO2004109934A2 Splitter
12/16/2004WO2004093330A3 Mpeg artifacts post-processed filtering architecture
12/16/2004WO2004088857A3 Method and system for equalizing communication signals
12/16/2004WO2004068722A3 Method and apparatus for secure communications and resource sharing between anonymous non-trusting parties with no central administration
12/16/2004WO2004062119A3 Ultra wideband (uwb) transmitter architecture
12/16/2004CA2527678A1 Splitter
12/15/2004EP1487130A2 Power and rate control in a code division multiple access system
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