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7224942 |
Communications system employing non-polluting pilot codes
Transmitting non-polluting dummy pilot signals in a wireless communication network permits estimation of the downlink propagation channels between a number of joint transmitters and a lesser number...
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7221912 |
Telecommunications management interface system
This invention relates to a method and apparatus for centralized control of operations, administration, maintenance and provisioning (OAMP) for a system comprising sub network elements and...
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7221938 |
System and method for multi-modal monitoring of a network
A system and method for multi-modal monitoring of a network are disclosed. In one embodiment of a system incorporating teachings of the present disclosure, a network management engine may be...
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7218893 |
Method for interference source identification
The present invention relates to a method to identify one or more interference sources in a mobile radio system, preferably in a GSM radio network for mobile telephones. A received signal (r)...
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7218950 |
Base station, mobile station, communication system, transmission control method, and mobile station control program
An object of the present invention is to reduce the volume of a control signal and shorten a delay of processing in a system comprising a base station configured to transmit a pilot signal at a...
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7218955 |
Method for deciding tilt angle of antenna in radio communication system and apparatus for deciding the same
The purpose of the present invention is to provide a tilt angle deciding method and a system wherein tilt angles to diminish the deterioration rate of the entire system can be obtained in the radio...
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7218895 |
System, method, and apparatus for testing voice quality in a communication network
A method includes receiving one or more test signals at a first gateway from a second gateway. The method also includes comparing the one or more test signals to one or more expected signals. In...
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7218894 |
Interferer detection and channel estimation for wireless communications networks
System and method for improving performance of digital wireless communications systems in the presence of interferers. A preferred embodiment comprises generating a list of hypotheses from a list...
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7218890 |
Seismic telemetry system
A system for remotely controlling, acquiring and monitoring the acquisition of seismic data. The system includes remote equipment for collecting seismic data and for transmitting and receiving...
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7215930 |
Method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication
A method and apparatus for providing uplink signal-to-noise ratio (SNR) estimation in a wireless communication system. A first signal is received over a first channel and a second signal is...
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7215969 |
Method for RF dead zone data collection using mobile station
A method for collecting data to identify an RF dead zone in a cell of a wireless network using a mobile station is provided. The method includes: a) receiving position data from the mobile station...
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7215951 |
Test system for mobile communication terminal in which state of progress of connection-transition test can be visually recognized
A test procedure control unit outputs control information including time setting information along a procedure for carrying out a transition test of a connection state of a mobile communication...
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7215971 |
Method and apparatus for compensation of Doppler induced error in a mobile handset
A method and apparatus for correcting for Doppler shift in GSM signals at a mobile handset in communication with a base station is provided. The rate of change of position of the mobile unit is...
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7215929 |
Method and apparatus for maintaining desired link quality when no data is transmitted on transport channels having quality targets
Disclosed is a mobile station executed method for updating a signal-to-interference ratio (SIR) target during a discontinuous transmission (DTX) period of a downlink transport channel having a...
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7212784 |
Adaptive array apparatus, radio base station, and mobile phone
Memory ( 237 ) stores relative correction values that indicate the differences of transfer characteristics between a) a radio unit made up of transmission circuit ( 211 ) and reception circuit (...
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7212843 |
Current reduction in a communication device
A method for reducing current drain in a communication device includes a first step of developing a history of readings of received signal strengths (RSS) of a neighboring broadcast control channel...
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7212542 |
Method and apparatus for maximizing a data rate of a wireless data communication system
A first transceiver ( 200 ) sends ( 102 ) a predetermined number of blocks of data to a second transceiver, and records ( 104 ) on which of a plurality of sub-carriers each of the blocks of data is...
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7212828 |
Monitoring changeable locations of client devices in wireless networks
Security of wireless networks is improved by rejecting traffic from a wireless device located outside a defined spatial boundary. The device's spatial position with respect to the boundary is...
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7212585 |
Quadrature modulation transmitter
There is provided a quadrature modulation transmitter which is capable of solving several problems of the conventional transmitter while performing the same function as the heterodyne transmitter...
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7209747 |
Handling of an unrecoverable error on a dedicated channel
User equipment (UE) can detect a Radio Link Control (RLC) unrecoverable error and a Radio Link (RL) failure. The two errors are handled differently while the UE is in a dedicated channel (DCH)...
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7209709 |
Apparatus and method for discriminating information transmitted using radio signal
A transmission circuit transmits a connection request including a “signature” to a base station. The demodulator demodulates the AICH for transmitting a notification corresponding to the...
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7209728 |
Mobile communication terminal apparatus which performs intermittent reception
The reception quality of the radio signal is detected in a wakeup period. The detected reception quality is compared with the first threshold. If the detected reception quality is equal to or...
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7209710 |
Bandwidth management in a wireless measurement system using statistical processing of measurement data
A system and method is disclosed for managing bandwidth in a wireless probe measurement system that may include receiving an indicator at the wireless probe to begin taking measurements of one or...
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7209711 |
Dynamic channel quality measurement procedures for optimizing data transmission in a wireless digital communication system
Data transmission is optimized in a wireless digital communication system including a base station and a plurality of user equipment mobile terminals (UEs). Adaptive modulation and coding (AM&C) is...
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7209078 |
Antenna array calibration
A smart antenna calibration system is disclosed for calibrating an antenna array having a plurality of antennas. Each antenna has a calibration coupler for providing a monitoring signal indicative...
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7209751 |
System and method for proximity motion detection in a wireless network
Systems and Methods are described for determining proximity motion of a mobile wireless device around a fixed target node. The present invention provides a method of regressively analyzing the...
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7209724 |
Method and apparatus for power control in an ultra wideband radio system
A method for power control in an ultra wideband impulse radio system includes: (a) transmitting an impulse radio signal from a first transceiver; (b) receiving the impulse radio signal at a second...
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7209760 |
Methods and apparatus for mitigating the effects of solar noise and the like on a wireless communication system
Techniques for reducing or eliminating effects of noise on a wireless communication system are provided. In one aspect of the invention, the technique comprises monitoring noise attributable to an...
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7206549 |
System and method for testing wireless devices
The present invention disclose a system and method for testing wireless devices, by which two wireless device-under-test (DUTs) is enabled to transmit and receive signal from each other such that...
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7206562 |
Cross polarized wave interference eliminating system and method
Coefficient controllers ( 68, 78 ) control weighting coefficients for tapped transversal filters used in interference compensators ( 67, 77 ) on the basis of transmission power control information...
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7206548 |
Method and system for network-based remote control and testing of wireless communication devices
A method and system for remote testing of a wireless communication device (WCD). The WCD is communicatively linked in a test environment with a host computer that communicates over a...
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7206567 |
Methods and apparatus for limiting communication capabilities in mobile communication devices
Methods and apparatus for limiting communication capabilities in mobile communication devices are disclosed. In one illustrative example, a predetermined condition such as an unsatisfactory...
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7206546 |
Method of rejecting interference disturbing the reception of a satellite radio signal
The invention proposes a method of rejecting interference disturbing the reception by means of a reception system, of a signal emanating from a transmission system, the method comprising a...
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7206547 |
Method of testing electric circuit, and arrangement
A method of testing an electric circuit and an arrangement for implementing the method are provided. The arrangement includes a current source connected to a network of electric components, the...
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7206606 |
Wireless communication including diversity transmission and reception
A wireless communication apparatus includes a plurality of antennas that transmit modulation signals. A controller controls a control signal of the modulation signals based on an eigenvalue...
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7203461 |
Adaptive channel quality estimation algorithm to support link adaptation
RF communications received by a wireless terminal from a servicing base station are used to determine the channel quality such as reported bit error probability (BEP). The RF communications may be...
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7203462 |
Antenna unit and radio base station therewith
Phase and amplitude deviations, which are generated, for example, by cables connecting an array antenna of a CDMA base station and the base station, are calibrated in the baseband. The base...
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7203520 |
Beam wobbling for increased downlink coverage and capacity
A method and apparatus for reducing signal interference within a cellular radio system to increase both coverage and capacity. The method and apparatus include altering the direction of beams...
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7203616 |
Method and system for the interactive testing of assembled wireless communication devices
A method and system for the interactive testing of assembled wireless communication devices is provided. The method comprises: assembling the wireless communication devices to include at least one...
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7203460 |
Automated test of receiver sensitivity and receiver jitter tolerance of an integrated circuit
An automated test system ( 20 ) for testing a high-speed communications integrated circuit ( 10 ), such as a serializer/deserializer, is disclosed. The system ( 20 ) is able to test the parameters...
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7203458 |
Method and apparatus for position tracking and communication within a defined locale
A method and apparatus is disclosed for position tracking and communication within a defined locale. Low power transmitters and receivers, called probes, are placed in key locations throughout the...
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7203493 |
Wireless communication system
A call in request is transmitted from a wireless base station to a wireless communication terminal apparatus when there is a call in from a service center. If the wireless communication terminal...
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7203489 |
Measurement based prediction method for radiation path loss
A measurement-based prediction method for radiation path loss over a predetermined area comprises the steps of: determining a received signal strength ( 2 ) at least one first station resulting...
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7203512 |
Soft combining apparatus and method in a CDMA mobile communication system providing MBMS service
A method and apparatus for determining soft handover in a CDMA mobile communication system supporting Multimedia Broadcast/Multicast Service (MBMS) is provided. In the asynchronous CDMA mobile...
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7203459 |
Mode adaptation in wireless systems
Methods, apparatus, and systems for mode assignment and mode adaptation to channel conditions are provided which are based on estimations of real signal-to-noise ratios (SNR) for each frequency...
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7200414 |
Client-aiding with cellphones in a 150-KM radius area
A cellphone system comprises a GPS reference station located with a telephone cell site. Such GPS reference station tracks the GPS satellites visible to its local area and estimates the Doppler for...
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7200374 |
Method and apparatus to improve throughput in a wireless network using a minimum received interference power level
Aggregate throughput may be improved in a wireless network by rejecting packets that have a low probability of creating harmful interference within a wireless device. In at least one embodiment, a...
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7200402 |
Method for handing off streaming media sessions between wireless base stations in a mobile streaming media system
A method for performing a soft-handoff in a mobile streaming media system, and a method for performing a hard-handoff in a mobile streaming media system are is disclosed. In the soft-handoff...
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7197303 |
Cellular communication system which enables improved interference monitoring and method of monitoring interference
A cellular communication system that enables an improved monitoring of interference is provided. The cellular communication system includes a cell station and a maintenance terminal. The cell...
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7197281 |
Method and system for generating channel quality indicator values for controlling a transmitter
A method and system for generating a channel quality indication (CQI) for a communication channel established between a transmitter and a receiver. A signal-to-interference ratio (SIR) estimate of...
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