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Match Document Document Title
7392011 Method and system for flexibly distributing power in a phased array antenna system  
A power system flexibly distributes power among phased array antenna apertures of a satellite (or other type of platform). By allocating the power provided by a power source among the apertures, if...
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,...
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)...
7366537 Wireless network apparatus and 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...
7366463 Military UHF and commercial Geo-mobile system combination for radio signal relay  
A radio signal relay device such as satellite is used to cover several relatively small geographical regions with relatively narrow beams as well as a relatively large geographical region with a...
7358803 Broadband high efficiency traveling wave tube amplifier system  
A power control system for a satellite receiving radio-frequency signals includes a traveling wave tube amplifier system and corresponding traveling wave tube. An anode voltage of the traveling...
7349712 Communications system with transmitting power control and method for the same  
One power control means 14 controls a transmitting power according to a control command to a mobile terminal which accesses one task when radio communication is performed with the mobile...
7346311 Single frequency repeater  
A novel single frequency repeater is disclosed that eliminates the problems of feedback and concurrent oscillation. The single frequency repeater of the present invention comprises a backplane, a...
7333564 High frequency power amplifier circuit  
The present invention provides a high frequency power amplifier circuit capable of obtaining sufficient detection output even in a range where a request output power level is low and performing a...
7327801 Communication device with smart antenna using a quality-indication signal  
Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device (e.g., a basestation). A...
7324829 Radio communication terminal and transmission power control method  
A cellular phone includes an inner loop portion and an outer loop portion both for conducting power control. The outer loop portion includes a timer counter. The timer counter transmits a timing...
7324787 Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system  
In a radio communication system having a phase control loop for phase modulation and an amplitude control loop for amplitude modulation and being capable of time divisional transmission and...
7324470 FDD/CDMA receiver having transmission antenna control circuit  
An FDD/CDMA transmission/reception system includes a CDMA transmitter and a CDMA receiver. The CDMA transmitter includes a plurality of transmission antennas, signal transmission units for...
7308230 Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use  
Systems and methods for transmitting and receiving diverse signals across regions using a minimum of frequency capacity and maintaining compatibility with the heritage system. A system of the...
7298773 Apparatus and method for reporting service load to mobile station in mobile telecommunication system  
There is provided a method and apparatus for selecting an appropriate base station and an optimal data rate to provide a voice service and a data service based on a voice service load in a CDMA...
7295855 Transmit power reduction mode for CDMA mobile stations  
The power control system includes a run-length counter and a processor. The counter is configured to receive and count power up commands indicating commands to increase power, and to generate a...
7293182 Methods and apparatus for powering a data communications port  
A data communications device includes a supervisory circuit, a power supply, and a power circuit. The power circuit includes a data communications port, a power supply connection coupled to the...
7289781 Device for receiving digital signals  
A device for receiving digita1 signals comprising at least one receiving antenna for receiving signals, a measuring means for determining parameters of relevance to signal quality of signals...
7286844 Systems and methods for three dimensional antenna selection and power control in an Ad-Hoc wireless network  
A system ( 105 ) determines a power level for transmitting to a neighboring node in a wireless network. The system ( 105 ) receives a message indicating a three-dimensional position and orientation...
7286499 Methods and apparatuses for fast power control of signals transmitted on a multiple access channel  
A method and apparatus for controlling the transmission of signals from one or more of a plurality of mobile stations to a base station on a plurality of M multiple access channels is described. A...
7274912 Method for regulating transmission power in a radio system  
A method regulates the transmission power of a transmitter in a radio system, for a transmission of data to a receiver by a radio interface. The receiver determines an actual value for a...
7274907 Wireless instrumentation system and power management scheme therefore  
A wireless instrumentation system enables a plurality of low power wireless transceivers to transmit measurement data from a plurality of remote station sensors to a central data station accurately...
7269429 Communications protocol for mobile device  
A communication device and method for operating the same includes a GPS receiver that periodically generates a position signal, a wireless modem transmitting or receiving messages and a controller...
7254365 Antenna directivity estimator for a reconfigurable antenna  
A method and apparatus for redistributing power radiated by an antenna comprised of a plurality of antenna elements. An antenna directivity estimator function is performed to screen out...
7248627 Method and apparatus for estimating the link quality of a communication channel  
A link quality estimating method and apparatus adopts a fading value to modify an estimated link quality of a channel thereby obtaining a measure being very close to the real link quality. The...
7245935 Method and apparatus for transmission power control  
The invention relates to a system for power control in a cellular communication system. The power control may be operated ( 201 ) in a first mode of operation wherein power control data are...
7245880 Transmit power control within a wireless transmitter  
A wireless transmitter system for use in maintaining a wireless link with a remote transceiver includes a beamforming transmit antenna structure and a power control unit for controlling transmit...
7242953 Transmitting a control message on a forward access channel (FACH) in a network for mobile telecommunications  
A method is provided of transmitting a control message on a Forward Access Channel (FACH) from a base station in a network for mobile telecommunications in response to a Random Access Channel...
7236740 Data retransmission apparatus and method in a mobile communication system employing HARQ technique  
A method and apparatus for retransmitting data in a mobile communication system wherein a receiver determines whether an initial data block received from a transmitter has an error. Upon detecting...
7233805 Method for managing extended neighbor cells of mobile terminal  
Disclosed is a method for managing extended neighbor cells of a mobile terminal designed to save power of a battery as well as search time at a visited location. The method is characterized by the...
7230932 Method and apparatus for discontinuous reception scheme and power saving mode for user equipment in packet access mode  
A method is described for providing a discontinuous radio link for user equipment in a telecommunication network in a physical radio transmission layer while receiving packets during a packet...
7224994 Power control method for handling frame erasure of data in mobile links in a mobile telecommunication system  
A method for substantially reducing the frame erasure rate (FER) to approximately 1 percent dynamically changes the power down to power up ratio from 100 to 1 to 200 to 1 to minimize subsequent...
7221956 Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems  
Techniques for controlling the transmit power for a number of data streams in a wireless multi-channel (e.g., MIMO) communication system. In one method, a number of received symbol streams are...
7221907 On orbit variable power high power amplifiers for a satellite communications system  
A power system for a satellite includes a high power amplifier that has a control input. The high power amplifier has a minimum effective isotropic radiated power. A controller is coupled to the...
7218931 Satellite radiotelephone systems providing staggered sectorization for terrestrial reuse of satellite frequencies and related methods and radiotelephone systems  
A satellite radiotelephone system can include a space-based component and a plurality of ancillary terrestrial components. The space-based component is configured to provide wireless radiotelephone...
7218892 Passive repeater/terminator  
A passive terminator between a plurality of nodes includes a first voltage divider configured to passively set a differential voltage level between a first voltage level and a second voltage level....
7209719 Home power line network connected phone  
The present invention is directed to a cellular or cordless phone whereby power line networking is either integrated within its base station and/or charger or added as a module that can be...
7209703 Wireless repeater with intelligent signal display  
A wireless signal repeater having an integrated display that concurrently displays a receive signal level, a transmit signal level, and a textual indication of signal quality, reflecting how well...
7197328 Method and apparatus for increasing success rate of push-to-talk access in a mobile communications network  
A method and computer program for initiating a message to a radio access network include steps of: ( 404 ) detecting a request to transmit a probe message from a transmitter over an access channel...
7197325 Power control apparatus with PAM reference voltage tuner for a mobile terminal  
A transmission power control apparatus of a mobile terminal includes an intermediate frequency automatic gain controller for receiving a transmission intermediate frequency signal and performing an...
7181163 Multi-beam satellite communications payload with flexible power allocation  
A communications payload configuration comprising a multi-port amplifier that incorporates remotely controllable travelling wave tube amplifiers (TWTAs) for allowing their output power to be...
7177658 Multi-media broadcast and multicast service (MBMS) in a wireless communications system  
Techniques to implement MBMS services in a wireless communication system. In one aspect, a method is provided for processing data for transmission to a plurality of terminals. Frames of information...
7171159 Transmission power control in a satellite communication system  
A communications system, a communications station, a method of controlling the power to transmitters in a communications station, and a storage medium storing instructions for controlling power to...
7170866 Quality of service enhancements for wireless communications systems  
Various techniques ate present for enhancing the quality of service on wireless communications systems. These techniques determine when errors occur in transmitted frames, then apply Bit Error Rate...
7167676 Base station device, mobile station device and transmission power controlling method  
A spreading code notification section 201 notifies each mobile station apparatus of a spreading code corresponding to a mobile station apparatus currently communicating, a separation section 212...
7161928 Method and apparatus for a CDMA random access communication system  
In a system in which multiple remote units compete for limited communication resources, a remote unit accesses the system by randomly selecting a first sequence from a set of predetermined...
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...
7146142 Method for controlling the transmission power in a radio system, and a corresponding radio system  
In a radio system, the transmission power is controlled by a receiver ( 1; 2 ) evaluating the signal from a transmitter ( 2; 1 ) and a determining power adjustment information (TPC) as a function...
7145886 Communication terminal, base station system, and method of controlling transmission power  
An antenna 20 receives signals orthogonal to each other transmitted from different antennas of a base station, and a despreader 202 and a spreader 203 despread the respective received signals...
7142548 Communicating in a reverse wireless link information relating to buffer status and data rate of a mobile station  
A wireless communications network includes a mobile station and base station that are capable of communicating over a wireless link. Information relating to a status of a buffer in the mobile...
Matches 1 - 50 out of 276 1 2 3 4 5 6 >