Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
08/2004
08/11/2004CN1162027C Emissive power control system and method
08/11/2004CN1162014C Method for estimating distance of mobile terminal in digital mobile communication system
08/11/2004CN1161939C Calibration device and method thereof
08/11/2004CN1161910C Blind rate detection method and device based on foundamental-quartic viterbi decode
08/10/2004US6775635 System and method for measuring amplifier gain in a digital network
08/10/2004US6775547 Transmission quality measurement in a communication network
08/10/2004US6775544 Automatic diagnostic for detection of interference in wireless communication system
08/10/2004US6775521 Bad frame indicator for radio telephone receivers
08/05/2004WO2004066544A2 Mitigating interference with frequency hopping signals by deriving future hop frequencies
08/05/2004WO2004066511A2 Method and apparatus for network management using perceived signal to noise and interference indicator
08/05/2004WO2004044606A3 Apparatus and method for tracking the location and position of an individual
08/05/2004US20040153931 Built-in self-test for multi-channel transceivers without data alignment
08/05/2004US20040153913 System and method of detecting a bit processing error
08/05/2004US20040153267 System and method of testing a transceiver
08/05/2004US20040152436 Systems and methods for coherent adaptive calibration in a receiver
08/05/2004US20040152431 High accuracy receiver forward and reflected path test injection circuit
08/05/2004US20040152423 Link-quality estimation method and components for multi-user wireless communication systems
08/05/2004US20040152419 Method for displaying reception sensitivity on a multi-functional mobile terminal
08/05/2004US20040151108 Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network
08/05/2004US20040150721 Reception performance measuring apparatus for television signal
08/05/2004US20040150718 Method for the real-time monitoring and transmission of a visual domestic safeguard system
08/05/2004CA2512985A1 Method and apparatus for network management using perceived signal to noise and interference indicator
08/04/2004EP1443692A2 Method and apparatus for determining an operating condition in a communications system using antenna arrays
08/04/2004EP1443685A1 Method and apparatus for monitoring channel performance in dense wavelength division multiplexed (DWDM) optical networks
08/04/2004EP1442566A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
08/04/2004EP1442541A1 Method and device for simulating a radio channel
08/04/2004EP1442532A2 Use of received signal strength indicator (rssi) and global positionong system (gps) to reduce power consumption in mobile station
08/04/2004CN2631168Y Mobile phone electromagnetic radiation detecting probe
08/04/2004CN2631149Y Dialing-accessing blocking-up apparatus
08/04/2004CN1518394A Remote factory monitoring system and remote factory monitoring method
08/04/2004CN1518366A Method for processing detection audio frequency signal by digital signal
08/04/2004CN1518336A Electronic camera and information equipment and portable information device
08/04/2004CN1518263A Method of automatic read-out substance identification address in testing ADSL broad-band data machine process
08/04/2004CN1518262A Test device, mobile terminal device and test method
08/04/2004CN1518252A Method and system for loading or updating logic device
08/04/2004CN1518251A Combined communication management system and its method
08/04/2004CN1518233A Transmitting-receiving circuit, transmitting-receiving method and transmitting-receiving device
08/04/2004CN1160985C Caculation method and devices, of communication property and blocking probability
08/04/2004CN1160973C Method of transmitting datas and radio communicating system
08/04/2004CN1160895C Method and apparatus for testing digital communication channel
08/04/2004CN1160883C Monitoring system and method thereof
08/04/2004CN1160882C Method and arrangement for monitoring base station antenna condition
08/04/2004CN1160874C Apparatus and method for determining radio communication quality in mobile communication system
08/03/2004US6771957 Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data
08/03/2004US6771904 Optical transmission system and optical channel available quality measuring method
08/03/2004US6771718 Method for frequency error estimation
08/03/2004US6771698 System and method for testing antenna gain
08/03/2004US6771057 Circuit arrangement and method for verifying a switching diversity system
08/03/2004CA2357813C Signal break detecting circuit
07/2004
07/30/2004CA2429657A1 A method for the real-time monitoring and transmission of a visual domestic safeguard system
07/29/2004WO2004064431A2 Method and system for evaluating wireless applications
07/29/2004WO2004064269A1 Diversity system for measuring reception quality
07/29/2004WO2004063852A2 Operation of a forward link acknowledgement channel for the reverse link data
07/29/2004US20040148580 On-chip receiver sensitivity test mechanism
07/29/2004US20040148515 Portable file server
07/29/2004US20040148121 On-chip test mechanism for transceiver power amplifier and oscillator frequency
07/29/2004US20040147287 Antenna adaptation in a time division duplexing system
07/29/2004US20040146132 Radio frequency built-in self test for quality monitoring of local oscillator and transmitter
07/29/2004US20040146023 Composite channel quality estimation techniques for wireless receivers
07/29/2004CA2511515A1 Operation of a forward link acknowledgement channel for the reverse link data
07/28/2004EP1441554A2 Test apparatus, mobile terminal apparatus and test method
07/28/2004EP1252731B1 A packet scheduler and method therefor
07/28/2004EP0818084B1 Method and apparatus for performing power control in a mobile communication system
07/28/2004CN1516930A System for adjusting gain of mobile station during idle period of serving base station
07/28/2004CN1516491A Measurement method between frequencies and between system for making system synchronization in mobile communication system
07/28/2004CN1516382A Bidirectional wavelength division multiplexing self recovering ring network
07/28/2004CN1516377A Method for measuring link quality in spread spectrum communication system
07/28/2004CN1516366A System for monitoring going through stop light based on DSP
07/28/2004CN1516350A Remote safety monitoring system based on power line carrier communication
07/28/2004CN1159930C Identifying method and device for non-visual route in CDMA cellular mobile communication system
07/28/2004CN1159862C Matrix antenna base station device
07/28/2004CN1159855C Method and circuit device for reducing reception interferences, for receiving radio broadcasting signal
07/27/2004US6768912 Radio base station apparatus with inter-shelf communication
07/27/2004US6768897 Method of adjusting frequency of cellular radio repeater
07/22/2004WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
07/22/2004WO2004062142A1 Method and circuit arrangement for determining the signal strength in receivers with complex signal processing
07/22/2004WO2004040403A3 Lower complexity layered modulation signal processor
07/22/2004US20040142729 Radio communication apparatus
07/22/2004US20040142699 Method and system for indicating link quality among neighboring wireless base station
07/22/2004US20040142698 Method for channel quality prediction for wireless communication systems
07/22/2004US20040141466 Apparatus and method for estimating a channel condition of a forward link in a mobile communication system
07/22/2004US20040139897 Communications apparatus using adaptive antenna
07/22/2004DE10358650A1 System und Verfahren zum Identifizieren von Störungen in einem Kommunikationsspektrum System and method for identifying faults in a communications spectrum
07/21/2004EP1439728A2 Method for measuring confusion rate of a common packet channel in a cdma communication system
07/21/2004EP1147628B1 Detecting and minimizing the effects of transmitter noise on signal strength measurement in a wireless communication system
07/21/2004CN1515125A System and method for quantifying accuracy of interference analysis in wireless telecommunications networks
07/21/2004CN1515086A RAKE Receiver in CDMA system, with space-time transmitting diversity
07/21/2004CN1514587A Video frequency network transmission technology of video compression mode and network band width self adaptive
07/21/2004CN1514586A Data communication equipment testing system and method of imitation multiuser, multi connection
07/21/2004CN1514552A Method for simulating operating environment of telecommunication system having need of finite calculating quantity
07/21/2004CN1158807C Frame-error detection method and device for error masking, specially in GSM transmission
07/21/2004CN1158806C Intelligent packet retransmission scheme
07/21/2004CN1158788C 分组传输方法 Packet transmission method
07/20/2004US6766164 System and method for providing radio frequency conditions for testing wireless communications equipment
07/20/2004US6765529 Calibration device, adaptive array device, calibration method, program recording medium and program
07/15/2004WO2004059890A1 Transmission path simulator and radio device evaluation method
07/15/2004WO2004059876A1 Transmission path simulation method and transmission path simulator
07/15/2004WO2004025842A3 System for efficient recovery of node-b buffered data following mac layer reset
07/15/2004US20040137942 Data gathering bus terminal controlled and monitored remotely using RF communications network, and data gathering system using the bus terminal
07/15/2004US20040137933 Data transmission system, data transmitter and data receiver used in the data transmission system