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