Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
01/2005
01/11/2005US6842438 Method to dynamically determine interference and carrier-to-interference ration during TDMA calls
01/11/2005US6842426 Fault detection for subscriber loop repeaters
01/11/2005US6842236 Method and device for continuously monitoring an optical transmission path
01/11/2005CA2320566C A system to provide lifeline ip telephony service on cable access networks
01/06/2005WO2005002090A1 Device and method for measuring a received signal power in a mobile communication system
01/06/2005WO2004098072A3 Method and apparatus for channel quality feedback within a communication system
01/06/2005WO2004086638A3 Method for calibration of a signal receiver
01/06/2005US20050005227 Channel qualification and selection in a multichannel radio system by packet error rate measurement
01/06/2005US20050003847 Method of dynamic transmit scheduling using channel quality feedback
01/06/2005US20050003846 Method and arrangement for power control
01/06/2005US20050003782 Methods and apparatus for channel quality indicator determination
01/06/2005US20050003781 Multiple format radio frequency receiver
01/06/2005US20050003780 Receiver and its tracking adusting method
01/06/2005US20050002356 Method and apparatus employed in a user equipment for interference signal code power and noise variance estimation
01/05/2005EP1494481A2 Motion picture receiving device, motion picture transmitting device, and program
01/05/2005EP1494374A2 Method and apparatus for encoding/decoding brodcast or recorded segments and monitoring audience exposure thereto
01/05/2005EP1494367A1 Transmission power level estimation
01/05/2005EP1305644B1 Method and measuring device for measuring the spectra in adjacent channels
01/05/2005EP1183840B1 Optimization of channel equalizer
01/05/2005DE10341546A1 Transmitting data to receiver device involves transmitting at least one individual pilot sequence via transmission signals over radio interface for channel estimation using CAZAC codes
01/05/2005CN2669492Y User device using low-power interference signal code power measurement
01/05/2005CN2669489Y Wireless network controller for measuring point-to-point information exchange for user device
01/05/2005CN1561647A Communication system with detection of extra-system interference
01/05/2005CN1561108A Network vedio monitoring system
01/05/2005CN1561031A Interconnected network web information issuing method
01/05/2005CN1561019A Three-D vedio monitoring method and system based on internet
01/05/2005CN1561016A Satellite orbit analog testing system
01/04/2005US6839657 Method of and an arrangement for characterizing non-linear behavior of RF and microwave devices in a near matched environment
01/04/2005US6839544 System and method for remote monitoring of a transmitter in a wireless base station
12/2004
12/30/2004US20040267523 Method of reflecting time/language distortion in objective speech quality assessment
12/30/2004US20040266474 Criteria for base station selection, including handover, in a wireless communication system
12/30/2004US20040264976 Optical signal quality monitoring apparatus
12/30/2004US20040264609 Mapping radio-frequency noise in an ultra-wideband communication system
12/30/2004US20040264604 Unbiased signal to interference ratio in wireless communications devices and methods therefor
12/30/2004DE10320670A1 Verfahren und Tester zum Bestimmen einer Fehlerrate eines Mobilfunkgeräts, insbesondere für USF-BLER The method and tester for determining an error rate of a mobile radio device, in particular for USF BLER
12/29/2004EP1492256A1 Raman amplification repeater
12/29/2004EP1492085A2 Method of reflecting time/language distortion in objective speech quality assessment
12/29/2004EP1491910A1 Radio receiver and GPS receiver
12/29/2004CN2667806Y Long-distance controlling apparatus in urban natural gas pipe network detection and control system
12/29/2004CN1558687A Test apparatus and test method for isolation between antennas of wireless co-frequency direct amplifying station
12/29/2004CN1558679A Intelligent video content monitoring system based on IP network
12/29/2004CN1558583A Segment reliable clock phase difference detecting method
12/29/2004CN1558575A An optical monitoring information communication method and system
12/29/2004CN1558574A Method and system for realizing wireless industrial monitoring by means of cell phones
12/29/2004CN1558573A Method for communication between dispatching / monitoring center and terminal in vehicle GPRS networks
12/29/2004CN1558572A Remote surround detecting circuit
12/29/2004CN1558571A Method for cell phone payment radio networked parking fee charge monitoring management and operating system therefor
12/29/2004CN1558570A Remote digital monitoring system
12/29/2004CN1182674C Method and apparatus for operation, protection and restoration of heterogenous optical communication network
12/29/2004CN1182658C System and method for accurately predicting signal to interference noise ratio to improve communications system performance
12/28/2004US6836737 Systems and methods for providing remote monitoring of consumption for a utility meter
12/28/2004US6836156 High frequency signal peak detector
12/28/2004US6836105 Apparatus for power measuring receiver
12/23/2004WO2004112337A1 Signal-to-noise estimation in wireless communication devices with receive diversity
12/23/2004WO2004112300A2 Systems and methods for a wireless network connection point locator
12/23/2004WO2004112288A1 Methods and apparatus for channel quality indicator determination
12/23/2004WO2004112203A2 Modular optical device that interfaces with an external controller
12/23/2004WO2004080087A3 Received signal processing for wireless communications
12/23/2004WO2003100997A8 Colored interference identification
12/23/2004US20040258144 Apparatus for measuring SIR and method of doing the same
12/23/2004US20040257640 Raman amplification repeater
12/23/2004US20040257121 Data transfer apparatus for low voltage differential signaling
12/23/2004CA2525232A1 Signal-to-noise estimation in wireless communication devices with receive diversity
12/22/2004EP1488590A1 A multiple channel wireless receiver
12/22/2004EP1488555A1 An in-home receiver system
12/22/2004EP1488553A1 Method, arrangement and communication receiver for snir estimation
12/22/2004CN2666041Y 无线监控模块 Wireless Monitoring Module
12/22/2004CN1557089A Process, arrangement, devices for seizure of a shared telephone line
12/22/2004CN1557063A Frame error rate estimation in a receiver
12/22/2004CN1556595A Monitoring station and data, video frequency image optical fiber mixed transmission system based on RS 485 chain circuit
12/22/2004CN1556594A Communication quality testing system
12/21/2004US6834187 Method of devising a frequency plan for a signal analysis circuit
12/21/2004US6834182 Method and apparatus providing real-time adjacent channel power ratio (ACPR) in a mobile station
12/21/2004US6834180 Radio propagation model calibration software
12/21/2004US6834078 Test facility for transceiver station
12/21/2004US6834077 System and method for testing a modem
12/21/2004US6833771 High efficiency amplifier with amplifier element, radio transmission device therewith and measuring device therefor
12/16/2004WO2004109952A1 Array antenna communication device and array antenna communication device calibration method
12/16/2004WO2004109946A1 Sir measurement device and sir measurement method
12/16/2004WO2004109527A1 A network analyzing method and a network analyzing apparatus
12/16/2004WO2004077685A3 Pilot signals for use in multi-sector cells
12/16/2004US20040253962 Methods and devices for assigning mobile devices to base stations in the presence of interference
12/16/2004US20040253950 Method and device for simulating a radio channel
12/16/2004US20040253926 Remote monitoring device & process
12/16/2004US20040252632 Method and apparatus for multi-user multi-input multi-output transmission
12/15/2004EP1487139A1 Channel simulator
12/15/2004EP1486038A1 A method and system for providing a single unified channel quieting/measurement request element in an 802.11 wireless local area network
12/15/2004EP1486012A1 Method and apparatus providing calibration technique for rf performance tuning
12/15/2004EP1228571B1 Method for reducing reception interferences, especially multiway reception interferences, for receiving a radio signal and circuit for carrying out this method
12/15/2004EP1219054B1 Calibration of a mobile device using a loopback module
12/15/2004EP1129530A4 Apparatus and method for measuring noise power in a cdma mobile communication system
12/15/2004CN2664296Y Monitoring circuit for optical transmitting-receiving integrated module
12/15/2004CN1555210A Intelligent maintenance method for base station bundling relaton of local radio telephone system
12/15/2004CN1555209A Detecting device for base band signal processing sub system in CDMA communication system
12/15/2004CN1555144A Detection method for multiple input multiple output system channel capacity
12/15/2004CN1555143A Method for measuring radio communication system propagation delay
12/15/2004CN1555142A Dynamic triggered monitor device and method
12/15/2004CN1555108A 自适应阵列天线 The adaptive array antenna
12/15/2004CN1555004A Display card for increasing video play smooth degree
12/15/2004CN1180552C Signal format in multi-carrier CDMA transmission system