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7190930 |
Radio communication system, communication terminal apparatus, base station apparatus, and transmission power control method
The present invention relates to a radio communication system comprising base stations and mobile stations and a method for controlling transmission power in the system where the base station is...
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7187905 |
Method and arrangement for improving the accuracy of positioning-related time measurements in radio system
The invention relates to a method and arrangement for improving the accuracy of time measurements related to positioning in a radio system. In the method, a test signal is generated; the test...
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7184773 |
Spatial path control in radio communication system
In an MIMO mobile communication system in which a PDM base station communicates with a single terminal through a plurality of paths the terminal and the base station each collectively transmit...
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7184709 |
Radio packet communication system, radio packet communication method, base station and mobile station
A base station includes an adjacent cell interference amount calculator and an adjacent cell interference amount notifier. The adjacent cell interference amount calculator calculates an adjacent...
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7184711 |
Maintenance system for a telecommunication installation
The invention provides a portable and autonomous assistance device to derive information on faults in a private telecommunication installation comprising particularly equipment units to assist the...
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7184770 |
System and method for positioning and calibrating wireless network devices
In an exemplary embodiment, a method comprising determining locations within a site for a plurality of network devices and calibrating the network devices by each of the plurality of network...
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7184710 |
Transmission of filtering/filtered information over the lur interface
In a radio access network, a drift radio network controller (DRNC) [ 26 2 ] transmits to a serving radio network controller (SRNC) [ 26 1 ] either (1) a filtering rule for a candidate cell [so that...
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7184729 |
Digital automatic gain control for transceiver devices
An automatic gain controller for transceiver elements uses a digital topology to achieve an efficient and rapid gain settling so that an output signal of the variable gain section is within a...
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7184760 |
Air interface management in mobile communications
Air interface management apparatus for use in network-based control of measurements made by mobile user equipment with respect to cells of the network is adapted to detect conflict in content of...
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7184712 |
System and method for improving the quality of range measurement based upon historical data
A system and method for applying an algorithm to distance measurements between nodes in an ad-hoc communications network ( 100 ). The algorithm is located at an individual node ( 102, 106, 107 ) of...
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7181205 |
I/Q calibration
The amplitude and phase errors of the modulation and demodulation in a transceiver are corrected by a self-calibration procedure in which a test signal is applied to the baseband input of the...
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7181168 |
Radio frequency integrated circuit for loopback self-test
A loop-back self-test circuit ( 10 ) that has particular application for a cellular telephone base station, where the components of the self-test circuit ( 10 ) are integrated on a common...
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7180937 |
Method for determining imbalance in a vector signal modulator
A method of determining imbalance in a vector signal modulator. First and second channels of a vector signal modulator are stimulated with a multi-tone signal having a power versus frequency...
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7181169 |
Controlling apparatus and method of mobile communication terminal using electrostatic detection
A controlling apparatus of a mobile communication terminal using electrostatic detection includes an electrostatic detector for sensing an instantaneous voltage generated at higher than a reference...
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7177600 |
Apparatus and method for testing performance of mobile station having GPS function
Disclosed are an apparatus and method for testing performance of a mobile station having a global positioning system (GPS) mounted therein. The method provides for virtually changing parameters...
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7177649 |
System for load balancing based on class of service for wireless communication networks
The system for load balancing based on class of service for wireless communication networks dynamically balances the traffic load among a plurality of cell sites by using multiple criteria to...
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7177598 |
Method and system for reducing channel interference in a frame-synchronized wireless communication system
Base stations having potentially interfering terminal stations that are geographically located on the same or similar diagonal or Line of Sight (relative to the base station) operate on a first set...
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7174132 |
RF transceiver arrangement, terminal employing the arrangement, and method for fabricating terminal according to the arrangement
The invention relates to a circuit arrangement in association with the RF unit of a wireless terminal, in which circuit arrangement the RF unit and the antenna ( 3 ) of the wireless terminal are...
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7174169 |
Design support system, design support method, and computer readable record medium on which program for use in those system and method is recorded
The present invention facilitates optimization of design values of system parameters in designing mobile communication system facilities. The present invention includes a criteria memory storing...
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7173904 |
System and method for reverse link overload control
A system and method for controlling call admission in a wireless communications network recursively estimates reverse link load levels as a function of changes in base station receive power and/or...
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7171163 |
Dynamic channel quality measurement procedure implemented in a wireless digital communication system to prioritize the forwarding of downlink data
A wireless digital communication system includes a base station in communication with a plurality of user equipment mobile terminals (UEs). The system prioritizes the forwarding of blocks of...
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7171345 |
System and method for simulating an input to a telematics system
A system and method for simulating a component in a telematics system is described. The system and method includes a simulating a component and a establishing a communication link between the...
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7171169 |
Network with adaptation of the modulation method
The invention relates to a network comprising a plurality of terminals. A transmitting terminal selects a modulation method in a first step at the beginning of a data transmission in which method a...
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7171165 |
Method for determining a transmission rate on the reverse common signaling channel of a wireless system
A mobile terminal selects a transmission rate for the reverse common signaling channel in response to at least one mobile-terminal-measured metric that is associated with the RF conditions of the...
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7171162 |
Method and apparatus for frequency estimation using iterative filtering in a GSM communications system
A method of frequency estimation for a GSM communications system is disclosed. First, the a frequency control channel data burst is received and downsampled into a plurality of subsets. Then, the...
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7171160 |
Method and apparatus for dynamic frequency selection in a wireless communications network
An advance over the prior art is achieved through an efficient method for the dynamic selection of frequencies with low occupancy in a manner that results in minimizing the search for such...
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7171161 |
System and method for classifying signals using timing templates, power templates and other techniques
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such...
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7171157 |
System and method for monitoring and testing network elements
A system for monitoring and testing network elements of a wireless communication network includes at least one air surveillance device (ASD) connected to a target network element through a wire or...
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7171329 |
System and method for device co-location discrimination
A system and method for determining if a first and second device are co-located includes first and second sensors for receiving a sample signal. Each sensor is coupled to the first and second...
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7167682 |
Radio frequency (RF) transceiver with substantially coincident communication of RF and related control signals
A radio frequency (RF) transceiver for providing substantially coincident communication of RF and related baseband control signals. Baseband circuitry within the transmitter and receiver sections...
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7167681 |
Antenna adjustment method, system and network element
According to one embodiment of the invention, an antenna adjustment method, system and network element is provided. The system includes a mechanism for gathering information on interference in...
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7167708 |
Wireless channel selection apparatus including scanning logic
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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7167683 |
Bad frame indicator for radio telephone receivers
A method for identifying a bad GSM speed frame and simultaneously maintaining a frame erasure rate below a specified value. The method is based upon a joint use of four signal quality metrics: (1)...
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7164888 |
Systems and methods for analyzing critical circuits and associated telecommunication resources
The invention provides systems and methods for analyzing critical circuits and telecommunication resources. For example, in accordance with one embodiment of the invention, a computer-implemented...
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7164932 |
Millimeter band signal transmitting/receiving system having function of transmitting/receiving millimeter band signal and house provided with the same
A millimeter band transmitter transmits one or more indirect path signal waves from the main lobe of a transmit antenna, and a direct path signal wave is transmitted in a side lobe of the transmit...
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7162395 |
Cospas-sarsat beacon tester in a removable expansion card for a handheld computing device
A remote tester for a radio frequency beacon includes a plug-in module insertable into a cooperating slot in a handheld computing device so as to communicate data between the module and the...
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7162206 |
Test apparatus, mobile terminal apparatus, test method
Test apparatus 100 judges a test item, and when carrying out a radio transmission characteristics test, communicates layer 3 signals with mobile terminal apparatus 150 to implement radio...
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7162239 |
Cellular telephone equipment and cell search method used therefor
This invention discloses a cellular telephone equipment which performs cell search of detecting a connection cell upon reception of a paging channel transmitted from a base station in order to...
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7161528 |
Device and method for the suppression of pulsed wireless signals
The invention relates to a method of suppressing pulsed signals in particular of DME or TACAN type present in the radio signals received (Ue) by a radio-frequency receiver, characterized in that...
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7162207 |
System, apparatus, method and computer program for producing signals for testing radio frequency communication devices
A system, apparatuses, a method, and a computer program for producing signals for testing radio frequency communication devices are provided. The system comprises a non-real-time domain which...
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7162203 |
Method and system for adaptive modification of cell boundary
A method and system for reducing interference in a cellular radio communications network. At least one parameter affecting user terminals within a cell is adjusted such that the cell boundary is...
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7158785 |
Service level indication and registration processing in a wireless communication device
A method and apparatus for service level recognition and registration processing in a wireless communication device are provided. According to one aspect of the present invention, a method is...
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7158769 |
Device and method for alerting user to interference
An alerting device allowing easy estimation of possible interference and useful suggestions to eliminate deteriorated communication quality due to interference is disclosed. A signal including a...
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7158790 |
Determining service coverage for metropolitan wireless networks
A method is provided for determining service coverage for a wireless network using information indicating quality of service coverage for the wireless network, wherein the information is determined...
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7158759 |
Dynamic frequency selection in a wireless communication network
A method and apparatus for dynamic frequency selection in a wireless communication system or network includes processing that begins when an access point determines interference on a wireless...
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7155167 |
Wireless LAN monitoring device
A handheld mobile wireless monitoring apparatus is disclosed in which a radio receiver monitors a wireless signal across one or more wireless channels. A user interface enables a user to observe...
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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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