Patents
Patents for H04B 17 - Monitoring; Testing (29,423)
10/2005
10/27/2005US20050238093 Circuit and method for evaluating the performance of an adaptive decision feedback equalizer-based serializer deserializer and serdes incorporating the same
10/27/2005US20050238086 Channel quality estimation method and receiving apparatus
10/27/2005US20050238045 Method and apparatus for detecting reliability of flag value
10/27/2005DE102005016838A1 Empfänger Receiver
10/27/2005DE102005015599A1 AGC-Schaltung AGC circuit
10/27/2005DE102005015093A1 Testsignal-Erzeugungsschaltung und Empfangsschaltung Test signal generating circuit and receive circuit
10/27/2005DE102004058239A1 Bildwandler Image converter
10/27/2005CA2562111A1 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series
10/26/2005EP1589681A1 Fading frequency estimation apparatus
10/26/2005EP1589666A1 Method for correcting a mobile telephone having an automatic power control function and a correction system therefor
10/26/2005EP1588507A2 Method and apparatus for network management using perceived signal to noise and interference indicator
10/26/2005EP1319258B1 Continuity testing in communication networks
10/26/2005EP1213846B9 Code division multiple access communication system
10/26/2005CN1689256A Multipath signal strength indicator
10/26/2005CN1688891A Procedure for detecting interfering multi-path condition
10/25/2005US6959260 System and method for device co-location discrimination
10/25/2005US6959189 Systems and methods for determining signal coverage
10/25/2005US6959170 Communications receivers and methods therefor
10/25/2005US6959150 Optical method and system for measuring in-band crosstalk in Raman amplifiers
10/25/2005US6959059 Radio signal receiving circuit detecting a synchronizing pattern
10/25/2005US6959037 System and method for locating and determining discontinuities and estimating loop loss in a communications medium using frequency domain correlation
10/25/2005US6958701 Transportation monitoring system for detecting the approach of a specific vehicle
10/20/2005WO2005099212A1 Gain measurement device for on line calibration and thereof method
10/20/2005WO2005099163A1 Combining signal-interference-ratio (sir) estimates for improved sir estimation
10/20/2005WO2005099138A1 A modular wide-range transceiver
10/20/2005WO2005099137A1 A digital video recorder controlled by network
10/20/2005WO2005099130A1 Method and system for multi-user channel estimation in ds-cdma systems
10/20/2005WO2005099111A1 A system and method for calibrating modules of a wide-range transceiver
10/20/2005US20050234669 Method and apparatus for calibrating communications channels
10/20/2005US20050233746 Methods and apparatus for selecting between multiple carriers based on signal energy measurements
10/20/2005US20050233721 Receiver
10/20/2005US20050233717 Diversity reception apparatus
10/20/2005US20050233716 Methods and apparatus for selecting between multiple carriers using a receiver with multiple receiver chains
10/20/2005US20050233715 Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
10/20/2005US20050233702 Measuring instantaneous signal dependent nonlinear distortion in response to varying frequency sinusoidal test signals
10/20/2005US20050232201 Received signal quality determination
10/19/2005EP1587336A1 A remote unit, an apparatus, a cellular communication system and method of operation therefor
10/19/2005EP1156593B1 Code division multiple access (CDMA) communication system
10/19/2005CN1684529A Monitoring method based on general mobile communication system
10/19/2005CN1684397A 接收机 Receiver
10/19/2005CN1684391A Diversity reception apparatus
10/19/2005CN1684376A Radio receiver, radio receiving method and recording medium
10/19/2005CN1684375A Radio receiver, radio receiving method and recording medium
10/19/2005CN1684374A Radio receiver, radio receiving method and recording medium
10/19/2005CN1224289C Location estimation in wireless telecommunication networks
10/19/2005CN1224200C Double communication system and double communication method for remote monitoring and controlling
10/19/2005CN1224199C Method for determining continuous rate and interactive transmitting data in CDMA communication system
10/19/2005CN1224192C Clock synchronous monitoring method and system for OSC signal in wavelength multiplexing system
10/19/2005CN1224188C System and method for estimating power
10/18/2005US6957175 Method and apparatus for determining signal-to-interference ratio with reduced bias effect
10/18/2005US6957172 Complex signal decomposition and modeling
10/18/2005US6957047 Bi-directional switched RF amplifier, waterproof housing, electrostatic overvoltage protection device, and mounting bracket therefor
10/18/2005US6957045 Device, system, computer readable medium and method for providing status information of devices in a short distance wireless network
10/18/2005US6956896 High accuracy receiver forward and reflected path test injection circuit
10/18/2005US6956829 Apparatus and method for measuring propagation delay in an NB-TDD CDMA mobile communication system
10/18/2005CA2244873C A method and device for monitoring a mobile telephone repeater
10/13/2005WO2005096630A1 Method, apparatus and system of remote monitor for the devices in the base stations
10/13/2005WO2005094309A2 User interface and time-shifted presentation of data in a system that monitors a frequency band
10/13/2005US20050227663 Colored interference indentification
10/13/2005US20050227661 Apparatus and method for wireless local area network (LAN) antenna selection
10/13/2005US20050227655 Rectifiers and rectifying methods for use in telecommunications devices
10/13/2005US20050227654 Method of communication channel estimation and information receiving terminal using the same
10/13/2005US20050227640 Method and apparatus for dynamically adjusting a transmitter's impedance and implementing a hybrid power amplifier therein which selectively connects linear and switch-mode power amplifiers in series
10/13/2005US20050227626 Broadband frequency agile signal characterization
10/13/2005US20050227625 User interface and time-shifted presentation of data in a system that monitors activity in a shared radio frequency band
10/13/2005US20050227624 Method and apparatus for automatic change of an operating channel in a wireless communication system
10/13/2005US20050226188 Hand-off between ultra-wideband cell sites
10/13/2005US20050225679 Receiver
10/13/2005DE19901877B4 Verfahren zum Gewinnen von Informationen über Störungen im Empfänger eines Nachrichtenübertragungssystems A method for obtaining information about disturbances in the receiver of a communication system
10/13/2005DE102005005312A1 Funkfernsteuerungssystem für Modelle Radio remote control system for models
10/12/2005EP1585269A2 Wireless personal local area network
10/12/2005EP1585245A1 Estimation method for noise space correlated characteristics in time slot cdma system
10/12/2005EP1585225A2 Channel quality estimation method and channel quality estimation apparatus
10/12/2005EP1584155A2 Operation of a forward link acknowledgement channel for the reverse link data
10/12/2005EP1584148A1 Method and circuit arrangement for determining the signal strength in receivers with complex signal processing
10/12/2005EP1350400A4 Hand-off between ultra-wideband cell sites
10/12/2005EP1237293B1 Method for increasing the capacity in a CDMA system
10/12/2005EP1131904B1 Air interface based wireless telecommunication test system
10/12/2005CN1682542A Method for determining envelope lines of modulation signals
10/12/2005CN1682501A System for efficient recovery of node-B buffered data following MAC layer reset
10/12/2005CN1682467A Adaptive array radio communication apparatus, reception level displaying method, reception level adjusting method, reception level displaying program, and reception level adjusting program
10/12/2005CN1681265A Channel quality estimation method and channel quality estimation apparatus
10/12/2005CN1681230A Test signal generation circuit, and reception circuit
10/12/2005CN1681205A Agc电路 Agc circuit
10/12/2005CN1223149C Network monitoring method for telecommunications network
10/11/2005US6954643 Criteria for base station selection, including handover, in a wireless communication system
10/11/2005US6954637 Wireless base station and method for maintaining same
10/11/2005US6954624 Transmitter and wireless communication device having a low power bypass branch
10/11/2005US6954495 Optimization of channel equalizer
10/11/2005CA2299974C Wdm network and wdm network device
10/06/2005WO2005093970A1 Apparatus and method for dynamic control of downlink beam width of an adaptive antenna array in a wireless network
10/06/2005US20050221817 Testing device and software
10/06/2005US20050221779 AGC circuit
10/06/2005US20050221776 Test signal generation circuit, and reception circuit
10/06/2005US20050221765 System and method for calibrating modules of a wide-range transceiver
10/06/2005US20050221764 Modular wide-range transceiver
10/06/2005US20050221763 Calibration and testing architecture for receivers
10/06/2005US20050220454 Optical transmission system
10/06/2005US20050220230 Carrier detecting method and carrier detecting circuit
10/06/2005US20050220056 Channel quality estimation method and channel quality estimation apparatus