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7395060 |
Signal testing system
A signal testing system is disclosed, which is capable of achieving a bi-directional wireless transmission measurement enabling mutual testing between device-under-tests and reference devices by...
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7394876 |
Enhanced channel estimator, method of enhanced channel estimating and an OFDM receiver employing the same
The present invention provides an enhanced channel estimator for use with an orthogonal frequency division multiplex (OFDM) receiver employing scattered pilot channel estimates. In one embodiment,...
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7395092 |
Radio network controller and mobile communication control method
In a mobile communication system, same downlink signals can be transmitted to a mobile station via a plurality of base stations. A radio network controller in the mobile station includes an...
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7392017 |
Assessing wireless network quality
A method of providing information indicative of network coverage by one or more wireless service providers in a geographic area may include obtaining, at an information provider, performance...
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7392018 |
Channel estimation applique for wireless communications
A test signal generator at a transmitter station and a facsimile generator at a receiver station go through an acquisition and tracking process which aligns the two signals, removing errors in the...
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7392014 |
Measurement of channel characteristics in a communication system
A communication system comprises a downlink data channel for the transmission of data packets from a primary station to a secondary station and uplink and downlink control channels. The secondary...
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7392015 |
Calibration methods and structures in wireless communications systems
Calibration methods and structures are provided for wireless communications devices that compensate across a signal bandwidth for relative gain and phase errors between spatial communication...
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7392046 |
Method and apparatus for automatic diagnosis and resolution of wireless network malfunctions
A method and apparatus related to the automatic diagnosis and resolution of wireless network malfunctions. A network malfunction diagnosis is made by comparing information gathered from a plurality...
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7392016 |
Data transmission rate control
A method includes monitoring a variable-rate data communication channel to determine its signal-to-noise ratio, and adjusting the data transmission rate of the variable rate data communication...
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7389114 |
Estimating the location of inexpensive wireless terminals by using signal strength measurements
A system is disclosed that enables the estimation of the location of a wireless terminal in a wireless network. The illustrative embodiment works without requiring modifications to be made to the...
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7389086 |
Adaptive array antenna controller
An adaptive array antenna controller is disclosed that adaptively controls weighting coefficients of multiple antenna elements of an array antenna based on a digital signal outputted from an...
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7388929 |
Method and apparatus for providing service availability information in a wireless communication system
The present invention is related to a method and apparatus for providing service availability information to a user in a wireless communication system. After receiving a beacon signal from a base...
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7386060 |
Method of reducing a peak-to-average power ratio
The present invention relates to a method of reducing a peak-to-average power ratio of a signal to be transmitted. The method comprises the steps of detecting a portion of the signal being above a...
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7386316 |
Enhanced video streaming using dual network mode
A method and system for video data delivery for 3G mobile systems is disclosed. The throughput and quality of video data delivery in real-time is enhanced by using a combination of circuit-switched...
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7386043 |
Method and apparatus for increasing spectral efficiency using mitigated transmit power near band-edge
A method and apparatus for increasing the spectral efficiency of communications systems by employing portions of the spectrum, which portions might otherwise be reserved as all or part of guard...
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7383032 |
Cellular phone and method for receiving and transmitting signals of different frequency bands
A cellular phone and method for receiving and transmitting signals of different frequency bands and wireless standards utilizes an architecture that allows the use of switches that are less...
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7379744 |
Positioning system, positioning method, and positioning server
To provide a positioning system, a positioning method, and a positioning server, which are capable of improving accuracy in detection of a position. In a positioning system, three or more access...
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7379757 |
System and method for estimating the multi-path delays in a signal using a spatially blind antenna array
A method is described that enables a system to estimate the individual times of arrival of multi-path signals components in a received signal while blind to the particular angular response...
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7379711 |
Method and apparatus capable of mitigating third order inter-modulation distortion in electronic circuits
An embodiment of the present invention provides a method of mitigating third order inter-modulation distortion in electronic circuits, comprising estimating an IP3 of the circuits using an...
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7379710 |
Radio-wave propagation characteristic forecasting system and its method, and program
An object of the invention is to obtain a high-speed and high-accuracy radio-wave propagation characteristic forecasting system in combination with the launching method by correctly estimating a...
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7376409 |
Bandpass filter with integrated variable gain function using improved resistor array
The invention enables a gain adjustment in a receiver to improve signal quality by varying resistance of an input resistor array of a bandpass filter, the array having a plurality of resistors in...
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7375578 |
Radio frequency envelope detector
An RF envelope detection circuit that operations at low currents, high sensitivity, and high dynamic range. The circuit receives an AC signal at its input terminal and applies a signal on its...
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7376200 |
Method and apparatus for suppressing carrier leakage
A method and system for determining at least one DC offset compensation value used to suppress carrier leakage occurring on real and imaginary signal paths in an analog radio transmitter when a...
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7373152 |
Radio signal strength mapping through a telematics system
The invention provides a method of and system for determining a radio-frequency signal strength at a mobile vehicle. A signal strength measurement request is received from a call center for a...
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7373112 |
Trained data transmission for communication systems
Various embodiments are described for a trained data transmission for communication systems.
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7373163 |
Apparatus and method for measuring thermal noise power in a mobile communication system
An apparatus and method for accurately measuring the thermal noise power of a silence period and increasing the control efficiency of reverse link load in a mobile communication system. In the...
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7372827 |
Radio communication apparatus
A base unit of a radio communication apparatus of the present invention includes a controller that discriminates whether or not company identifying information transmitted from a cordless handset...
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7373105 |
Method of determining communication link quality employing beacon signals
A method of determining communication link quality includes the steps of: providing communications stations (e.g., UHF communications satellites, base stations of a terrestrial cellular network)...
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7373129 |
Radio communication terminal
A radio communication terminal disposed in close proximity to or built in electronic equipment is provided with a receiver connected to a receiving antenna and an interference canceller for...
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7373161 |
Method and arrangement for power control
A method for setting a power control level ( 600 ) in a wireless communication system. The method includes the steps of obtaining ( 620 ) transmission information from a wireless subscriber unit,...
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7369812 |
Method and circuit arrangement for determining the signal strength in receivers with complex signal processing
In order to provide a method of determining the signal strength in a receiver or transmitter with complex signal processing using the in-phase channel (I channel) and the quadrature channel (Q...
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7369846 |
Delivery of mobile station operational and self-performance test results to network in response to encrypted request message
A set of performance-related data that represents both normal and abnormal conditions in the network is determined and stored in a mobile station MS. The set or a sub-set of this data is...
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7369876 |
Apparatus and method for estimating a velocity of a mobile station in a mobile communication system
A base station apparatus and method for estimating a velocity of a mobile station in a mobile communication system are provided. In the apparatus and 9 method, a channel estimator receives a signal...
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7369813 |
Fast calibration of electronic components
The number of measurements needed to calibrate an electrical device is reduced. Apparatus and methods minimize output of one or more unwanted signals by determining a calibration setting, in a...
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7369816 |
Highly accurate temperature sensor employing mixed-signal components
A radio transceiver includes circuitry that enables received RF signals to be down-converted to baseband frequencies and baseband signals to be up-converted to RF signals prior to transmission...
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7369521 |
Power control during retransmission
The present invention relates to a method and a device for controlling power in a network transmitted from a first station to a second station. The second station determines a power target value...
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7369601 |
Code division multiple access receiver
Processing of a received code division multiple access, CDMA, burst ( 405 ) when a spreading factor of the CDMA burst ( 405 ) has been changed from an allocated spreading factor (SF 0 ) to a new...
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7366507 |
Method and system for evaluating uplink inter-cell interference
Uplink inter-cell interference is evaluated by allocating positions to mobiles in the cell of interest (C 0 ) and in interfering cells, computing a value for inter-cell interference for this...
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7366477 |
Redundancy version implementation for an uplink enhanced dedicated channel
This invention describes a method for a redundancy version implementation of an uplink (UL) enhanced dedicated channel (E-DCH) in mobile communication systems by calculating a redundancy version...
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7366106 |
Radio communication terminal and communication method
A radio communication terminal, being used in a radio communication systems in which the transmission rate varies depending on radio wave conditions and communication statuses of other users,...
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7366490 |
Automatic gain control with gain stepping and regulation
An automatic gain control device and a related method for its operation, using a first-order control loop for adjusting a received communication signal to compensate for variations in received...
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7366508 |
Radio access point testing method and testing apparatus
The normality verification and radio characteristics test of a radio communication system are executed. RF-SWs (radio-frequency coaxial switches) change-over the paths of signals which are...
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7366474 |
Technique of detecting the propagation environment of radio wave
In a detector device 10 of the invention, a wave detection module 20 receives and detects radio wave in a predetermined frequency band, which is used by a target wireless communication device...
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7366263 |
Radio communication terminal and radio signal receiving method
When a radio communication terminal including an AGC receiver starts, a set gain of the AGC receiver is switched in a short updating period. At this time, the terminal switches among antennas, and...
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7366475 |
Signal strength measurements in cellular telecommunication systems
A mobile station (MS) and method for estimating received signal strength of a radio signal from a neighboring cell in a cellular radio telecommunication network. The MS measures the received signal...
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7363009 |
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...
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7363057 |
Mobile communication system, mobile station, base station, communication path quality estimation method used for the same
A mobile communication system capable of improving the system throughput. A base station ( 1 ) divides one cell into three sectors. A common pilot channel is transmitted to a plurality of mobile...
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7363033 |
Method of and system for testing equipment during manufacturing
A platform system for a mobile terminal for a wireless telecommunications system includes a mobile-terminal platform assembly. The mobile-terminal platform assembly includes a software services...
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7363008 |
Spectrum sharing in the unlicensed band
The invention provides methods for autonomous detection and adaptation with respect to an interfering signal on a frequency channel to assist a wireless device on a wireless network in choosing an...
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7363046 |
Clear channel assessment
A clear channel assessment procedure is described. The procedure includes setting a threshold value of signal strength. When a message is ready to transmit, the received signal strength intensity...
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