Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
05/2005
05/25/2005EP1533945A1 Multicasting method with changing transmission method dependent on receiving state at the base station
05/25/2005EP1533935A1 Evaluating performance of a multiple-input multiple output (mimo) communications link
05/25/2005EP1533920A2 System and method for estimating weighting parameters for antenna elements
05/25/2005EP1533624A1 Characterization of electric circuit of electric device
05/25/2005EP1532466A1 Method of, and apparatus for, operating a radio system
05/25/2005EP1425885B1 Method and system for transmitting data from a first data network into a second data network
05/25/2005EP0920740B1 Transponder communication device
05/25/2005CN1620154A Single board testing method
05/25/2005CN1619991A Radio communication terminal and communication method
05/25/2005CN1619990A Radio substation testing method and testing apparatus
05/25/2005CN1619989A Roaio image sound detection system
05/25/2005CN1619971A System and method for detecting eavesdropping device
05/25/2005CN1203633C Optical device for simulating satellite trail
05/25/2005CN1203631C Wavelength division multiple (WDM) signal monitor
05/24/2005US6898426 Mobile phone terminal, and peripheral unit for acoustic test of mobile phone terminal
05/24/2005US6898417 Method for the communication of information and apparatus employing the method
05/24/2005US6898415 System and method for reducing multipath distortion in wireless distance measurement systems
05/24/2005US6898214 Technique for monitoring SONET signal
05/24/2005US6897446 Method and system for target detection using an infra-red sensor
05/24/2005CA2378873C Self blocking for a subscriber unit
05/24/2005CA2152598C Wireless personal local area network
05/19/2005WO2005046273A1 Method and apparatus for scanning frequency channels for handoff candidates while minimizing battery consumption
05/19/2005WO2005046267A1 Selecting an access point according to a measure of received signal quality
05/19/2005WO2005046097A1 A recording and/or reproducing apparatus and method with asignal quality determining device and method
05/19/2005WO2005046066A1 Error vector magnitude selection diversity metric for ofdm
05/19/2005WO2005025120A8 Mobile-unit-assisted modulation management
05/19/2005WO2005020493A3 Interference estimation and scaling for efficient metric storage and interference immunity
05/19/2005WO2005006781A3 Criteria for base station selection, including handover, in a wireless communication system
05/19/2005WO2004073105A3 System and method using adaptive antennas to selectively reuse common physical channel timeslots for dedicated channels
05/19/2005US20050107135 Terminal, system, method and computer program product for displaying an indication of bandwidth
05/19/2005US20050107096 Method and apparatus for mobile radio velocity estimation
05/19/2005US20050107080 Radio access point testing method and testing apparatus
05/19/2005US20050107039 Co-channel interference detector for cellular communications systems
05/19/2005US20050107038 Automatic connection of a mobile device to a wireless network
05/19/2005US20050105900 Optical transmission system
05/19/2005US20050104731 System and method for detecting eavesdropping device
05/19/2005DE29924714U1 Arrangement to estimate transmission channel characteristics of a transmission channel by transferring information collected at a remote terminal to the central office
05/19/2005DE202004019299U1 Function test device for selective or targeted call equipment e.g. for aircraft technology, mining, fire-fighting etc, uses control element for initiating selective call request generated by CPU
05/18/2005EP1531553A1 Distortion reduction calibration
05/18/2005EP1530837A1 Low power interference signal code power (iscp) measurement
05/18/2005CN2701176Y Radio code-division multi-access user equipment
05/18/2005CN2701175Y Mobile communication based telemechanical system
05/18/2005CN2701174Y Production safety information real-time acquisition and remote wireless transmission equipment
05/18/2005CN1618243A Method and apparatus for testing traffic and auxiliary channels in a wireless data communication system
05/18/2005CN1618191A Method and system for transmission of carrier sighal occupying different radio frequency band between first and second antenna networks
05/18/2005CN1618183A Method for determining a gain offset between transmission channels
05/18/2005CN1617588A Monitoring system and its method using mobile communication terminal dead angle area
05/18/2005CN1617474A Batch detecting system and method with radio communication device
05/18/2005CN1617463A Apparatus and method for measurement of communication quality in CDMA system
05/18/2005CN1617462A Apparatus and method for measurement of communication quality in CDMA system
05/18/2005CN1617461A Apparatus and method for measurement of communication quality in CDMA system
05/18/2005CN1617460A Apparatus and method for measurement of communication quality in CDMA system
05/18/2005CN1617222A Method of reflecting time/language distortion in objective speech quality assessment
05/18/2005CN1202590C Adaptive array antenna
05/17/2005US6895541 Method and device for quantizing the input to soft decoders
05/17/2005US6895450 Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
05/17/2005US6895419 Hand-held computerized data collection terminal
05/17/2005US6895230 System and method for delay equalization of multiple transmission paths
05/17/2005US6895229 Receiver arrangement for receiving frequency-modulated radio signals and methods of adapting and testing a receiving branch of the receiver arrangement
05/17/2005US6895225 System for matching an antenna for a wireless communication device
05/17/2005US6895044 Method for noise energy estimation in TDMA systems
05/12/2005WO2005043317A2 System and method for adjusting soft decision thresholds in a soft-decision error correction system
05/12/2005US20050102443 Radio frequency local area network
05/12/2005US20050102338 Signal processing
05/12/2005US20050101353 Method and system for enhancing reception of wireless communication signals
05/12/2005US20050101339 Method and apparatus for recursive audio storage in a communication system
05/12/2005US20050101294 Communication system, information processing apparatus and method, recording medium, and program
05/12/2005US20050101276 Receiving method and receiving apparatus
05/12/2005US20050101271 Frequency error detector and combiner in a receiver of a mobile communication system
05/12/2005US20050101251 Signal processing apparatus and signal processing method, program, and recording medium
05/12/2005US20050099887 3-D forward looking sonar with fixed frame of reference for navigation
05/12/2005CA2540112A1 System and method for adjusting soft decision thresholds in a soft-decision error correction system
05/11/2005EP1530334A2 Frequency error detector and combiner in a receiver of a mobile communication system
05/11/2005EP1529347A1 Method and apparatus for layered modulation
05/11/2005EP1010271B1 Fade margin measurement in a radio system
05/11/2005CN1615030A Method for testing radio performance of terminal
05/11/2005CN1614999A Apparatus and method for controlling wireless terminal
05/11/2005CN1614899A Frequency error detector and combiner in a receiver of a mobile communication system
05/11/2005CN1201508C CDMA receiver and receiving signal power measuring equipment for CDMA mobile communication system
05/10/2005US6892334 Method for determining deskew margins in parallel interface receivers
05/10/2005US6892055 Radio station
05/10/2005CA2212009C Radio tracking system and method of operation thereof
05/06/2005WO2005041508A1 Method for regulating a guard interval in data streams in digital radio transmission devices and corresponding radio receiver device
05/06/2005WO2005041454A2 Wireless broadband licensed networking system for local and wide area networking
05/06/2005WO2005041443A1 Wireless communication apparatus
05/06/2005WO2004089000A3 Communication system with call quality indication and method therefore
05/05/2005US20050096075 Initial downlink transmit power adjustment for non-real-time services using dedicated or shared channel
05/05/2005US20050096053 Method and apparatus for scanning frequency channels for handoff candidates while minimizing battery consumption
05/05/2005US20050095993 Attenuation of high-power inbound RF signals based on attenuation of a T/R switch
05/05/2005US20050095987 Error vector magnitude selection diversity metric for ofdm
05/05/2005US20050094746 Characteristic measurement system for a digital modulation signal transmission circuit
05/05/2005US20050094737 Methods and systems for detecting defects in serial link transceivers
05/05/2005US20050094721 System and method for testing a modem
05/05/2005US20050094717 Modulation apparatus for reducing time delay of on-channel repeater in terrestrial digital TV broadcasting system
05/05/2005US20050094612 Apparatus and method for controlling wireless terminal
05/05/2005US20050094481 Method and apparatus for generating multi-phase signal
05/04/2005EP1528771A2 Apparatus and method for remotely controlling a wireless terminal
05/04/2005EP1528763A1 Mobile terminal with self performance diagnosis function and method thereof
05/04/2005EP1528623A1 Antenna coupler
05/04/2005EP1528622A1 antenna coupler