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8265559 Method and apparatus for determining modulation levels that are supported on a channel  
A logical channel is configured to match a modulation profile of an active channel. A network element is assigned to the logical channel and a ping request is sent to the network element. A...
8260319 Wireless transceiver  
The present invention relates to a method for determining a distance between a wireless transceiver and a wireless receiver arranged to communicate with each other in a wireless communication...
8259864 Methods and systems for fourier-quadratic basis channel estimation in OFDMA systems  
Certain embodiments of the present disclosure relate to a Fourier-Quadratic (FQ) method for channel estimation that may help improve error rate performance of existing techniques, with only...
8259657 Method for measuring channel quality and base station in mobile communications system  
A channel quality measurement method that accomplishes efficient channel quality measurement for each mobile station is presented. In a frequency band including a plurality of frequency blocks, a...
8260234 Apparatus and method for calibration in multi-antenna system  
Apparatus and method for calibration in a multi-antenna system are provided. The method includes setting at least two transmission paths connected to antennas, respectively, as reference...
8249515 Mobile communication device with rotating earpiece  
A mobile communication device includes a main body, a communication unit, an earpiece, a mouthpiece, a comparison unit and a first driver. The communication unit generates a starting signal when...
8249517 Visualizing radio frequency environment around an observation site  
A system for visualizing a Radio Frequency (“RF”) environment around an observation site includes a receiver, a scanner, a detector, and a display. The receiver includes an antenna and a shield...
8244186 Audio-based power control for a wireless communication device  
An audio sample is wirelessly transferred between a wireless communication device and a wireless base station. Either the wireless communication device or the wireless base station processes the...
8244184 Radio communication system capable of maintaining communication performed between master station and slave station belonging to such master station even when interference signal is detected  
A radio communication system includes one master station which performs transmission without being controlled by another radio station and which is configured to independently set a channel for...
8238833 System and method for automating network device operability testing  
Network device operability testing is performed by defining a universe of possible device states as a combination of network coverages, available network services and possible subscriber features....
8238942 Wireless station location detection  
A technique for locating a device uses connectivity to find a distance between an access point (AP) and a device. The AP transmits a frame to a device and receives an acknowledgement frame from...
8233852 Calibration techniques for non-linear devices  
An apparatus may include a non-linear module, a control module, and a calibration module. The non-linear module produces an output signal from an input signal. The control module selects, upon an...
8229690 Test device and a method for carrying out a function test on a communication system  
The present invention provides a test device and a method for carrying out a function test on a communication system. The test device contains a transmission path having at least one leaky line...
8224256 Wireless field maintenance adapter  
A wireless field maintenance adapter includes a power source, a controller, a low-power radio-frequency communication module, and a wireless process communication protocol module. The controller...
8224268 Transmitter linearization  
One aspect of the invention includes a communication system that includes a tone generator configured to generate a first tone, a second tone, and a third tone. The third tone can have a frequency...
8224253 Directional antenna sectoring system and methodology  
Methods and systems for packet-by-packet directional mobile wireless transmission utilizing plurality of directional antenna sectors, such that, the transmission of each packet is performed by at...
8219034 Method for detection of radar signals  
A method provides for identifying short radar signals in presence of interfering signals from various sources applicable to U-NII devices. The method includes collecting a set of information about...
8219076 CDMA probe for self-testing base station receivers  
An access probe existing and generated within a base station to simulate a mobile terminal for the purpose of testing base station receive functionality within a communications system. The access...
8219035 Enhanced calibration for multiple signal processing paths in a wireless network  
Calibrating signal processing paths for a plurality of transmission devices by obtaining calibration data for at least one of the signal processing paths for each of the transmission devices and...
8219078 Method and apparatus for multi-user multi-input multi-output transmission  
Embodiments of the present invention relate to methods and systems of transmitting data signals from at least one transmitting terminal with a spatial diversity capability to at least two...
8208863 Radio frequency unit analog level detector and feedback control system  
A Radio Frequency (RF) transceiver includes a baseband processor, a receiver section, and a transmitter section. The receiver section communicatively couples to the baseband processor and includes...
8200267 Robust paging indicator detection  
A robust method of page indication (PI) detection improves the probability of detecting a transmitted PI under conditions that decrease the probability of accurate PI detection. The method...
8200171 Square wave testing of two-point polar amplifiers  
A method and apparatus for testing a polar transmitter uses at least one square wave waveform as test stimuli replacing a multitone waveform. Each square wave signal is coupled one at a time to a...
8195098 Method for beamforming training and communications apparatuses utilizing the same  
A communication system includes a trainee communications device and one or more trainer communications devices. The trainee communications device announces a first period of time for beamforming...
8185059 Testing of automobile mounted antennas  
A method and device provides for the testing and validation of a control module for receiving wireless data and communications utilizes a transmission line coupler mounted proximate the control...
8185056 Load testing system, load testing apparatus, load testing method, computer product, and communication device  
In a load testing system, a transmission device measures a bandwidth of user data transmitted from a user terminal in real time, calculates a calculation bandwidth by subtracting the bandwidth of...
8160501 Test device for gain level determination of wireless repeater systems  
What is disclosed is a test device for a wireless repeater system in a wireless communication network. The test device includes a transmitter configured to establish a call with the wireless...
8150331 Method for adapting the signal transmission between two electronic devices, as well as arrangement with a computer system and a peripheral device  
A method for adapting the signal transmission between two electronic devices (1, 2) that are connected to each other via a physical interface and that each have a transmitter (8a, 8b) and a...
8145153 Method and system for calibrating an analogue I/Q-modulator of a transmitter  
The invention relates to a method and a system for calibrating an analogue I/Q-modulator (2) of a transmitter (3), wherein a calibration signal (s(tk)) is transmitted and an in-phase signal...
8140021 Communication apparatus and communication method  
A mobile communication system in which a mobile station apparatus transmits reception quality information to a base station apparatus, the reception quality information indicating quality of a...
8135055 I/Q calibration of transmit and receive paths in OFDM FDD communication systems  
I/Q gain and phase mismatches of both transmit and receive paths of an OFDM FDD transceiver are simultaneously estimated. An up-converted RF signal is generated when the transmit path performs IQ...
8131223 System for testing an embedded wireless transceiver  
A test equipment for testing a wireless communication device includes a wireless transceiver, memory, and a controller. The wireless transceiver transmits a first and second series of packets. The...
8131284 Method and system for transmission and/or reception calibration of mobile-telephone devices  
The invention relates to a method and system for calibrating the transmission and/or reception of at least one mobile radio device wherein a respectively defined number of test signal reference...
8131222 Method and apparatus for detection and prevention of crosstalk in a multiple tuner receiver  
Receivers using multiple tuners may introduce crosstalk between signals provided to the tuners. The disclosed embodiments relate to a method and apparatus for detecting and preventing crosstalk. A...
8126405 Method for estimating condition of wireless channels  
A method measures a time from transmitting a ranging signal to receiving the ranging signal via a channel of a wireless network, and a received signal strength (RSS) of the ranging signal. A...
8126481 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Wireless station location detection
 
A technique for locating a device uses connectivity to find a distance between an access point (AP) and a device. The AP transmits a frame to a device and receives an acknowledgement frame from...
8126452 Systems and methods for self-calibrating transceivers  
Techniques for self-calibration of transceivers are described herein.
8121589 Reporting measurements from a mobile station to a network and associated handover control method  
A mobile station receives dedicated signaling from the network to obtain measurement configuration data specified for it. The measurement configuration data stored in the mobile station include:...
8121647 Transmitting and receiving method, and radio apparatus utilizing the same  
A processing unit transmits, from at least one of a plurality of antennas, data corresponding respectively to the plurality of antennas. A control unit generates request signals with which to let...
8121553 Apparatus and method for determining channel quality indicator (CQI) using beamforming in multi-antenna system  
An apparatus and a method for determining a Channel Quality Indicator (CQI) using a beamforming in a multi-antenna system are provided. A transmitter for determining a CQI based at least partly...
8112107 Wireless communication system for updating logic-circuit data for implementing logic circuit in variable logic circuit unit  
A transmission source device transmits a test signal to a transmission destination device and a transmitting device by wireless communication. The transmission destination device and the...
8112043 Radio frequency communication devices and methods  
One embodiment relates to a radio frequency (RF) communication device. The RF communication device includes an antenna interface coupled to an antenna that exhibits a time-varying impedance. The...
8107949 Selective logging of drive testing data depending on reverse link data transmission rate  
A method and mobile diagnostic measurement tool is described for collecting cellular network performance data. The method includes determining a current data rate for transmission of data between...
8081930 Trace functionality in a mobile device  
Systems and methods are provided for tracing parameters indicative of performance of a mobile device that is not tethered to a host computer. The mobile device is instructed to monitor a...
8078114 Method and apparatus for determining propagation delays for use in wide area networks  
A system and method for determining a signal propagation delay between a transmitter and a receiver, and for adjusting a transmission time based on the propagation delay. A central station inserts...
8064900 System, method and device for testing mobile telephone call performance  
A system and method of testing call performance of a plurality of mobile telephones is provided. In one embodiment the method comprises storing in a memory of a test device, data for one or more...
8055207 RF receiver with fast baseband switching  
A receiver includes a plurality of RF receiver modules, a plurality of analog baseband sections, a plurality of analog to digital conversion sections, and a digital baseband processing module. The...
8055201 System and method for providing integrated voice quality measurements for wireless networks  
A system and method for providing integrated voice quality measurements for wireless networks, based on actual calls made by end devices, are provided. The system includes a plurality of end...
8055226 Frequency response correction for a receiver having a frequency translation device  
A method of correcting the frequency response of an RF receiver having a frequency translation device and a fixed IF frequency section uses calibration data representing frequency responses over a...
8045929 Determining presence of radio frequency communication device  
A RF data communication device operates in at least two states. In a first state, the device transmits a response to an RF transmission if specific data therein represents an inquiry as to the...