Patents
Patents for H04B - Transmission (2,303)
12/2004
12/15/2004EP1485966A2 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
12/09/2004WO2004107589A2 Home network system
12/09/2004WO2004107588A2 Method and device for frequency translation in powerline communications
12/09/2004US20040247061 Data processing method, receiver and network element for executing a turbo principle
12/09/2004US20040247034 MPEG artifacts post-processed filtering architecture
12/02/2004WO2004105260A2 Compound galois field engine and galois field divider and square root engine and method
12/02/2004WO2004105259A2 Method and apparatus for communicating with one of plural devices associated with a single telephone number during a disaster and disaster recovery
12/02/2004WO2004105256A2 Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference
12/02/2004US20040242185 Method and device for frequency translation in powerline communications
12/02/2004US20040239448 Splitter
12/02/2004CA2518778A1 Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminalto reduce potential interference
11/2004
11/25/2004WO2004102816A2 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/25/2004WO2004102815A2 Soft handoff with interference cancellation in a wireless frequency hopping communication system
11/25/2004WO2004102812A2 Method and apparatus for optical broadband frequency chirp
11/25/2004US20040236812 Compound galois field engine and galois field divider and square root engine and method
11/25/2004US20040235423 Method and apparatus for network management using perceived signal to noise and interference indicator
11/25/2004CA2753999A1 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/25/2004CA2526910A1 Soft handoff with interference cancellation in a wireless frequency hopping communication system
11/25/2004CA2525566A1 Fast frequency hopping with a code division multiplexed pilot in an ofdma system
11/24/2004EP1479205A2 Method and system for communicating broadband content
11/24/2004CN1549629A Wireless telecommunications system utilizing CDMA radio frequency signal modulation
11/24/2004CN1549628A Wireless telecommunications system utilizing CDMA radio frequency signal modulation
11/18/2004WO2004100386A2 Method and apparatus for exchanging air-interface information during a dormant packet data session
11/18/2004WO2004059896A3 Hpna hub
11/18/2004WO2004057764A3 Systems and methods for utilizing an application from a native portable device within a non-native communications network
11/18/2004US20040229616 Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference
11/18/2004US20040229615 Soft handoff with interference cancellation in a wireless frequency hopping communication system
11/18/2004US20040228267 Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
11/18/2004CA2524380A1 Method and apparatus for exchanging air-interface information during a dormant packet data session
11/17/2004EP1186116B1 Method and apparatus for processing a punctured pilot channel
11/11/2004WO2004098073A2 Method and apparatus for conversionless direct detection
11/10/2004CN1545361A Wireless telecommunications system utilizing CDMA radio frequency signal modulation in conjuction with the gsm a-interface telecommunications network protocol
11/10/2004CN1545354A Wireless telecommunications system utilizing CDMA radio frequency signal modulation in conjuction with the gsm a-interface telecommunications network protocol
11/10/2004CN1545353A Wireless telecommunications system utilizing CDMA radio frequency signal modulation in conjuction with the gsm a-interface telecommunications network protocol
11/04/2004WO2004095716A2 System and method for implementing safety instrumented systems in a fieldbus architecture
11/04/2004WO2004055994B1 A power line communication system and method of using the same
11/04/2004WO2004032337A3 Method of detecting, interpreting, recognizing, identifying and comparing n-dimensional shapes, partial shapes, embedded shapes and shape collages using multidimensional attractor tokens
11/04/2004US20040219907 Method and apparatus for exchanging air-interface information during a dormant packet data session
11/03/2004CN1543716A Method and apparatus for controlling gain level of a supplemental channel in a CDMA communication system
10/2004
10/28/2004WO2004093358A1 Communication device
10/28/2004WO2004093330A2 Mpeg artifacts post-processed filtering architecture
10/28/2004WO2004093328A2 Bidirectional distributed amplifier
10/28/2004WO2004093326A2 Multi-transmitter communication system employing anti-phase pilot signals
10/28/2004US20040213357 Method and apparatus for conversionless direct detection
10/26/2004CA2207745C Method and apparatus for increasing receiver immunity to interference
10/26/2004CA2145899C Apparatus for transmitting and receiving executable application in a distributed computer system
10/21/2004WO2004091105A2 Apparatus and method for testing a signal path from an injection point
10/20/2004CN1172455C Method and apparatus for processing punctured pilot channel
10/14/2004WO2004088858A2 Method and apparatus for improved data transmission
10/14/2004WO2004088857A2 Method and system for equalizing communication signals
10/14/2004WO2004062122A3 Method and apparatus for providing streaming information to a wireless mobile wireless device
10/14/2004US20040204100 Multi-transmitter communication system employing anti-phase pilot signals
10/14/2004US20040202311 Bidirectional distributed amplifier
10/13/2004EP0872061B1 A data transmission method, and a cellular radio system
10/06/2004EP0944967A4 Digital satellite direct broadcast system
10/05/2004US6801210 Method and apparatus for image representation by geometric and brightness modeling
09/2004
09/30/2004WO2004084420A2 Method and apparatus for multi-antenna transmission
09/30/2004WO2004084418A2 Method of providing a covert security feature
09/30/2004US20040192342 Method and apparatus for providing streaming information to a wireless mobile wireless device
09/30/2004US20040190661 Method and system for equalizing communication signals
09/30/2004US20040190602 Transmitting a spread signal having an adjustable spread sepctrum
09/23/2004WO2004045089A3 Ultra-wideband pulse modulation system and method
09/22/2004EP1460772A2 Multi-band, multi-mode spread spectrum communication system
09/22/2004CN1168222C System and method for reducing deinterleaver memory requirements through chunk allocation
09/16/2004WO2004079930A2 Asynchronous mechanism and message pool
09/16/2004WO2004079929A2 Source audio identifiers for digital communications
09/16/2004WO2004079923A2 Method and apparatus for audio compression
09/16/2004WO2004079921A2 Method, system and apparatus for acquiring a received impulse radio signal
09/16/2004WO2004004139A3 System and method for communicating images between intercommunicating users
09/16/2004US20040178954 Method and apparatus for multi-antenna transmission
09/16/2004CA2518121A1 Source audio identifiers for digital communications
09/15/2004EP0879527B1 Training process for signal classification apparatus
09/10/2004WO2004045088A3 System and method for heterodyning an ultrasonic signal
09/09/2004US20040176120 Method and system for acquiring ultra-wide-bandwidth communications signals using sequential block searches
09/08/2004EP1454428A2 System and method for data packet transport in hybrid wireless communication system
09/02/2004WO2004075420A2 Method and apparatus for increasing orthogonal code space in a cdma ran
09/02/2004WO2004075418A2 Method and apparatus for transmitting information within a communication system
09/02/2004US20040172239 Method and apparatus for audio compression
09/02/2004US20040169439 Handheld device having ultrasonic transducer for axial transmission of acoustic signals
08/2004
08/26/2004WO2004073175A2 Adaptive input logic for phase adjustments
08/26/2004WO2004073171A2 Carry-ripple adder
08/26/2004US20040165622 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode
08/26/2004DE10052719B4 Filter für elektromagnetisch übertragene Signale Filter for electromagnetic signals transmitted
08/24/2004US6781530 Ultra-wideband pulse modulation system and method
08/19/2004WO2004034590A3 Integrated circuit and method for sending requests
08/19/2004US20040160920 Method and apparatus for increasing orthogonal code space in a CDMA RAN
08/19/2004US20040160916 Method and apparatus for transmitting information within a communication system
08/18/2004EP0797873B1 Method and apparatus for increasing receiver immunity to interference
08/12/2004WO2004068723A2 Method of adaptive data transmission
08/12/2004WO2004068722A2 Method and apparatus for secure communications and resource sharing between anonymous non-trusting parties with no central administration
08/12/2004WO2004055994A3 A power line communication system and method of using the same
08/12/2004WO2004054117A8 A Power Line Communication System and Method of Operating the Same
08/12/2004US20040157578 Reducing effects of self-created interference on broadband reception
08/12/2004US20040155690 Adaptive input logic for phase adjustments
08/12/2004CA2513653A1 Method and apparatus for secure communications and resource sharing between anonymous non-trusting parties with no central administration
08/11/2004CN1161892C Remote emittor power control in CDMA Communication system
08/05/2004WO2004066511A2 Method and apparatus for network management using perceived signal to noise and interference indicator
08/05/2004WO2004066509A2 Statistic parameterized control loop for compensating power and extinction ratio of a laser diode
08/05/2004CA2512985A1 Method and apparatus for network management using perceived signal to noise and interference indicator
08/03/2004US6771143 Device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24