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7155177 |
Weight prediction for closed-loop mode transmit diversity
Techniques for predicting weights used for closed-loop transmit diversity. In a channel prediction scheme, channel gains for multiple transmit antennas are initially estimated (e.g., based on...
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7155169 |
Program for ascertaining a dynamic attribute of a system
The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network...
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7155168 |
Method and apparatus using variations in power modulation to determine an interfering mobile terminal
A method and apparatus for identifying which one of a plurality of mobile terminals in communication with a ground-based base station, via a transponded satellite, is causing interference with a...
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7155216 |
Functionality test in a base transceiver station
A base station in a radio system includes a transmitter that forms a signal to be transmitted by a transmission antenna of the base station, a mechanism forming a portion of the signal to be...
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7155171 |
Vector network analyzer applique for adaptive communications in wireless networks
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 so that a logical...
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7155170 |
Communication terminal apparatus, base station apparatus, and radio communication method
A retransmission request signal creation section ( 119 ) outputs an ACK signal or NACK signal to a NACK signal counting section ( 120 ) based on the result of error detection by an error detection...
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7155212 |
Approval test method and an approval test system for a software-defined radio terminal, a software-defined radio terminal being certified by the approval test method, and an approval test apparatus for certifying the software-defined radio terminal
An approval test apparatus according to the present invention that perform an approval test for a software-defined radio terminal based on approval information for a representative terminal as a...
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7155267 |
Apparatus and method for monitoring antenna state of mobile station
An apparatus and method are provided for monitoring an antenna state of a mobile station. A resister may be provided between a battery voltage terminal and a power source voltage terminal of a...
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7155228 |
Method and system for analysis, design, and optimization of communication networks
A method for engineering management and planning for the design of a wireless communications network in three-dimensions (3-D) combines computerized organization, database fusion, and radio...
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7151809 |
Channel estimation and spatial processing for TDD MIMO systems
Channel estimation and spatial processing for a TDD MIMO system. Calibration may be performed to account for differences in the responses of transmit/receive chains at the access point and user...
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7151928 |
Element outage monitoring in a wireless telecommunication system
A method that provides improved element outage monitoring in a wireless telecommunication system comprises obtaining data indicating a state of the element in the wireless telecommunication system...
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7151927 |
Quality of phone service system
A method for checking the quality of service provided by a base station at a location remote from the base station, including transmitting signals between the base station and a call transceiver at...
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7152025 |
Noise identification in a communication system
A method is provided to automatically identify noise events in a channel of a communication system comprising the steps of: receiving an input signal from the channel; determining the mean energy...
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7151761 |
Code reservation for interference measurement in a CDMA radiocommunication system
Methods and structures for quickly and accurately measuring interference associated with a received signal in a CDMA radiocommunication system are described. Interference measurement is performed...
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7149531 |
Location applications for wireless networks
A method for locating terminals in a wireless network including several base stations. A probabilistic model of the wireless network indicates a probability distribution for signal values of...
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7149539 |
Program for self-adjusting power at a wireless station to reduce inter-channel interference
The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network...
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7149476 |
Precision for interference estimation in unsynchronized wireless networks
The present invention includes systems and methods for estimating interference levels on idle channels in an unsynchronized TDMA or GSM wireless network. Each of s time slots is divided in to n...
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7149479 |
Wireless frequency re-use determination systems
A method of measuring frequency interference between adjacent cell sites in a wireless telecommunications system. The method includes selecting a frequency in a cell site to be used as a beacon...
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7149523 |
Apparatus and method for performing radio environment reporting on a reverse common signaling channel
Apparatus and method for performing radio environment reporting on a reverse common signaling channel. When a dedicated RF connection between a remote unit (RU) ( 118 ) and infrastructure equipment...
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7149478 |
Apparatus for ascertaining a dynamic attribute of a system
The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network...
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7149477 |
Radio-parameter control in mobile radio communications system
A radio-parameter control method allowing fine radio-parameter setting to improve communication quality is disclosed. Fixed stations are distributed at predetermined locations in a service area. A...
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7146174 |
Method and apparatus for determining the transmission data rate in a multi-user communication system
A method and apparatus are described for controlling the data rates for communications to and from a base station and a plurality of remote users. The usage of the communications resource whether...
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7146139 |
System and method for reducing SAR values
A system and method for reducing the Specific Absorption Rate (SAR) of a mobile communication device employs a sensor assembly for sensing when the mobile communication device is in proximity to a...
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7146192 |
Base station for mobile telecommunications, an antenna assembly, and a method of determining the location of an antenna assembly
A base station for mobile telecommunications comprises a main body and an antenna assembly mounted in a position at a distance from the main body. The antenna assembly comprises at least one...
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7146134 |
Apparatus and method for dynamic diversity based upon receiver-side assessment of link quality
An apparatus for dynamic diversity signal reception based upon receiver-side link quality assessments includes two or more antennae. At least one switch is connected to the two or more antennae. A...
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7146164 |
Intelligent base station antenna beam-steering using mobile multipath feedback
This invention relates to wireless communications devices, and more particularly to search processing load reduction methods for wireless communications based on CDMA.
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7142871 |
Virtual image eliminating apparatus and method at the time when position of radio wave transmitting source is measured
A virtual image eliminating apparatus and its method at the time when the position of a radio wave transmitting source is measured, in which the virtual image is eliminated automatically with high...
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7139564 |
Wireless communication device for field personnel
First, a system for providing direct field technical, troubleshooting, engineering analysis, equipment performance and efficiency analysis, new equipment and parts information, invoicing and sales...
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7139530 |
Method and apparatus for calibrating a reference oscillator
A method and apparatus for calibrating a reference oscillator and use of a calibrated reference oscillator is disclosed. To gain cost reduction advantages, a less accurate reference oscillator is...
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7139581 |
Method and system for distance measurement in a low or zero intermediate frequency half-duplex communications loop
A method and system for distance measurement in a low or zero intermediate frequency (IF) half-duplex communications loop measures the distance between two transceivers without synchronizing the...
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7139246 |
Method and apparatus for adjusting a mobile communication inactivity timer
A wireless communication unit communication transport path monitor ( 10 ) monitors ( 20 ) at least one wireless communication unit specific parameter, and in response a wireless communication...
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7139536 |
Method and apparatus for I/Q imbalance calibration of a transmitter system
A method for I/Q imbalance calibration of an OFDM system comprising the steps of initializing parameters A p , B p and γ p , estimating a loop delay factor L, generating a discrete-time test...
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7136683 |
Surface acoustic wave sensor and radio frequency identification interrogator fixture
A wireless sensor fixture system and method are disclosed in which an antenna block is provided that includes a plurality of grooves, wherein such grooves maintain a plurality of antennas located...
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7136638 |
Method and system for analyzing a network environment and network parameters
A method, system, device and computer program product are provided for analyzing a cellular wireless communication network of a first type. For analyzing the cellular wireless communication network...
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7136637 |
Power measurement system comprising PC and voltage meter
The present invention is to provide a power measurement system comprising a PC and a voltage meter, which comprises a power to voltage converter to receive input signals from a wireless...
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7133655 |
Amplifiers and amplifying methods for use in telecommunications devices
A signal strength indicator circuit that includes a first amplifier configured to receive a first input signal from a first mixer and a second input signal from a second mixer;. The circuit also...
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7133666 |
Radio communication system and reception status display method
In a radio communication system, during radio connection between a base station 100 and a terminal 200, the base station 100 transmits a reception status notification request to the terminal ...
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7133690 |
Method and apparatus for fast data rate ramp up in Node B scheduling of UE uplink
A method and corresponding equipment for communicating from a Node B ( 10 ) to a UE device ( 11 ) a data rate pointer ( 11 a ) value indicating a new maximum allowed data rate in case of a current...
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7133643 |
Method and device for maintaining environmental audio awareness in a simplex communications system
A method and device for maintaining environmental audio awareness in a simplex communications system includes the steps of determining if a minimum functionality necessary ( 10, 11, 12, 22, 30 )...
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7133688 |
Method for improving uplink control channel efficiency in a wireless communication system
A method of using a generated pilot signal inserted in a CQF slot of an uplink signaling channel to control the transmission power of data information independently of the transmission power of...
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7133699 |
System and method for separating signals received by an overloaded antenna array
A method of separating mixed wireless signals is provided. The method includes receiving, at an antenna comprising a first quantity of antenna elements, mixed signals comprising a mixture of source...
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7133645 |
Transceiver with optimal antenna direction indicators
A wireless access point includes, in one embodiment, circuitry with a radio transceiver that determines substantially optimal antenna orientation for one or more radio hosts with which an access...
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7133644 |
Digital baseband system and process for compensating for analog radio transmitter impairments
In order to compensate for performance degradation caused by inferior low-cost analog radio component tolerances of an analog radio, a wireless communication transmitter employs a control process...
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7130587 |
Communication quality estimation method, communication quality estimation apparatus, and communication system
An average signal point amplitude detection section 15 A determines an average position of I and Q components when a received QPSK modulated signal is demodulated and a threshold calculation...
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7130589 |
Self-calibrating apparatus and method in a mobile transceiver
An apparatus and method for self-calibrating mismatching orthogonal signals and non-linearity of a circuit occurring in a mobile transceiver. For this, in a mobile terminal, a transmitter is used...
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7130653 |
Power allocation of wireless transmission apparatus
The present invention relates to a wireless transmission apparatus. The wireless transmission apparatus is used for transmitting a RF signal by a selected power allocation to meet the requirement...
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7130588 |
Communication system, base station, and mobile station
A communication system includes mobile stations carrying out transmission at report cycles selected from a group consisting of 0, 1 and other integers without having a relation of a multiple and...
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7127214 |
User perception of wireless improvement technology
A method for indicating performance enhancements in a wireless transmit/receive unit (WTRU) to a user in a wireless communication system begins with operating a radio link to the WTRU with a...
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7127213 |
Error correlation for wireless networks
Alternate methods, devices and systems are presented for providing service providers and/or end users of mobile stations to monitor and/or report regions with high error rates and/or dead zones. A...
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7127252 |
Radio terminal equipment
The object of a radio terminal equipment is to achieve a highly accurate channel control and a favorable transmission quality. In order to achieve the object, in the radio terminal equipment, a...
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