Matches 101 - 150 out of 205 < 1 2 3 4 5 >
Match Document Document Title
6891858 Dynamic modulation of modulation profiles for communication channels in an access network  
A technique is disclosed for facilitating communications between a network node and a Head End of an access network. The access network includes a plurality of nodes which communicate with the Head...
6891810 Wireless access system and associated method using multiple modulation formats in TDD frames according to subscriber service type  
There is disclosed a radio frequency (RF) modem shelf for use in a fixed wireless access network comprising a plurality of base stations capable of bidirectional time division duplex (TDD)...
6889041 Mobile communication system  
A mobile communication system which is capable of, when carrying out mobile communication using a shared channel, increasing in efficiency of transmission timing of the data transmission rate...
6879813 Link-quality estimation method and components for multi-user wireless communication systems  
Received signal characteristics of multiple concurrently received channels are determined using an analytical approach for computation in lieu of the measurement based approach of the prior art. A...
6873847 Mobile communication system using multiplex zone configuration and operation method of the same  
A mobile communication system is composed of a plurality of base stations, a mobile terminal, and a base station controller. The base station controller selects a communication base station from...
6859456 Method and apparatus for checking communicated data  
An apparatus ( 18 ) and method ( 100 ) provide RLP data checking. The apparatus ( 10 ) includes a frame serialization stage ( 20 ) and a bad frame filter ( 22 ) that detects possible bad frames and...
6850736 Method and apparatus for reception quality indication in wireless communication  
An apparatus ( 135 ), method and computer program are provided for determining and indicating a quality of a signal received by a first wireless communication device ( 105 ) from a second wireless...
6842616 Cellular system  
A cellular system includes a mobile station and base stations, wherein the mobile station establishes a communication line with N first base stations wherein N is an integer (1≦N), measures...
6834194 Relative future activity indicators for assisting in selecting the source of received communications  
A method and apparatus is disclosed for providing network access point differential future activity indicator (FAI) bits which includes the direction and magnitude of predicted future activity...
6826161 Slewing detector system and method for the introduction of hysteresis into a hard handoff decision  
A method for introducing hysteresis into a hard handoff decision in code division multiple access (CDMA) communications following an initial hard handoff is provided. The method introduces...
6823175 Method for simultaneously measuring the propagating characteristics of a plurality of radioelectric channels  
A process for simultaneously measuring the propagation characteristics of a plurality of radio-frequency channels. According to the invention, from several base stations are transmitted signals...
6819923 Method for communication of neighbor cell information  
The invention is related to signaling in cellular telecommunication systems, namely to reduction of resources used by signaling. According to the invention, a list of neighbor cell information is...
6810020 Apparatus and method for measuring bit error rate in an OFDM communication system  
Disclosed is an apparatus for measuring a bit error rate (BER) in an orthogonal frequency division multiplexing (OFDM) communication system. A transmitter includes a pilot pattern inserter for...
6809632 Method for transmitting adaptive multi-channel packet in power line communication system  
A method for transmitting an adaptive multi-channel packet in power line communication system comprises the steps of: (a) transmitting a packet from a first node to a second node with a...
6804532 System and method for re-routing communications based on wireless communication link quality  
A method for re-routing communications based on link quality includes establishing a first wireless communication link with a mobile station. The first wireless communication link is included in a...
6804512 Method for conformance testing of radio communication equipment  
A method of conformance testing of a secondary station for use in a radio communication system which permits a soft handover process in which the secondary station engages in communication with a...
6795415 Arrangements for controlling network elements  
The idea of this invention is to use at least two modems on the network management system side. At least one of these modems is used only for connections initialized by the network management...
6760313 Method and apparatus for adaptive rate selection in a communication system  
A method and an apparatus for adaptive data rate selection in a high data rate (HDR) communication system are disclosed. An exemplary HDR communication system defines a set of data rates, at which...
6751197 Information processing apparatus and method, and provision medium  
In an information processing apparatus for transmitting information to and/or receiving the same from another information processing apparatus via radio communication, the information transmitted...
6745033 Method of optimizing handoff hysteresis values in a cellular telecommunications network  
A method in a cellular telecommunications network for optimizing a current hysteresis value utilized to define a handoff border between a present cell and a neighbor cell. Pairs of signal strength...
6744748 Method and apparatus for monitoring errors in a wireless transceiver  
An error monitor for indicating the quality of communications on a digital communication channel. One or more error detection mechanisms provide indication when an error occurs. After receipt of an...
6741858 Method of changing communication channel in mobile system  
The present invention relates to a method of changing a telecommunication channel in a mobile communication system for a given mobile station, which mobile station has a connection in progress, and...
6724719 Determining transmit signal powers of channels in a CDMA communications system  
A plurality of data channels provide respective data rates and maximum error rates from a mobile station to a base station of a CDMA system; a pilot channel facilitates recovery of the data...
6721564 Mobile communication terminal apparatus having hand-over requesting function, hand-over control device, hand-over controlling method and storage medium storing the hand-over controlling method  
When it is determined that the hand-over is necessary, a pilot strength measurement message is generated and transmitted to a base station BSa, under the hand-over request control. Arrival of an...
6711150 System and method for data burst communications in a CDMA network  
A method is provided for establishing outer loop power control in the transmission of data bursts in an IS-2000A standard CDMA system. The present invention was developed to address the problems of...
6687237 Methods and systems for facilitating a multi-mode multi-pilot hard handoff  
A method and system to facilitate an inter-system CDMA multi-mode multi-pilot hard handoff is,provided. Reference target cell information consisting of reference target cell designations and their...
6678854 Methods and systems for providing a second data signal on a frame of bits including a first data signal and an error-correcting code  
A method for transmitting first and second data signals can include providing a frame of bits including a first plurality of bits defining the first data signal and a second plurality of bits...
6665283 Method and apparatus for transmitting data in a packet data communication system  
A wireless communication system transmits data over a first link from a first mobile station (MS) to an infrastructure at a first speaker link power level, and over a second link from the...
6665281 Method and system for providing inter-frequency handoff in a telephone system  
In the preferred embodiment, the transmission length of the non-full rate frame is shortened frame in order for the mobile terminal to monitor other frequencies with a single receiver. Modulated...
6636494 Method of resolving physical layer collisions in a random access protocol an a corresponding receiver  
The invention relates to a method of resolving collisions between at a receiver, and also to such a receiver. According to the invention, the method performed by the receiver processes the signal...
6628639 Wireless network using high and low decision thresholds for selecting and maintaining a channel  
In a communication network, a wireless channel is selected from multiple channels. The interference level of the selected channel is determined and a first quality value is derived and compared to...
6618832 Method and bus interface employing a memory in an intergrated circuit which is used to link a bus with an application device to be controlled by the bus  
The IEEE1394 bus communication protocol has three layers: physical layer, link layer, and transaction layer. A link layer IC implements the interface to an external application and prepares data...
6618598 Forward rate determination of high data rate channels in CDMA air interface  
A method for determining the initial power to be allocated to a secondary channel having a desired data rate. An SNR setpoint is first calculated where such setpoint is based on the SNR setpoint of...
6618365 Method and apparatus to reduce uplink compressed mode monitoring in a communication device  
An apparatus and method to reduce uplink compressed mode monitoring in a communication device includes a first step of monitoring a neighboring channel and measuring a channel signal strength. An...
6614806 Method and apparatus for interfering receiver signal overload protection  
A method and apparatus for controlling incoming power to a receiver in a dual mode communication device. According to the method and apparatus, the received signal is simultaneously processed by...
6609003 Handoff method in a mobile communication system supporting transmission diversity  
A method for performing a handoff when a mobile station receiving a transmission diversity signal travels from a first base station transmitting a signal in a transmission diversity mode of...
6603826 Method and receiver for dynamically compensating for interference to a frequency division multiplex signal  
A method and a receiver for reducing adjacent-channel interference to a digitally modulated receive signal evaluates error rates of the receive signal associated with different receive bandwidths...
6594494 Mobile communication terminal  
A reference pattern comparing means 14 detects the number of error bits, using a reference pattern data portion embedded in the received signal. An error correcting means 15 detects the number...
6591110 Method of detecting and calculating external jammer signal power in communication systems  
A method for detecting and calculating the contribution by external jammer signals to the total power received by a reverse link of a communication system. The total received power for a reverse...
6567670 Subscriber station, network control means and method for triggering inter-frequency measurements in a mobile communication system  
A quality measurement means (QMM) provided in a network control means (RNC) of a communication system (T1) monitors the transmission quality on the down link (DL) of a communication connection (CC)...
6560206 Cell based data transmission method  
The present invention seeks to provide a more reliable method for transmitting data packets over a communications link, such as a wireless link. A method of error correction for a cell based...
6556553 Method for determining when a communication device should rate shift or roam in a wireless environment  
Methods for improving communication performance in a wireless communication system where the wireless communication system has at least one mobile wireless communication device and a plurality of...
6526034 Dual mode subscriber unit for short range, high rate and long range, lower rate data communications  
A technique for communicating with a local area network (LAN) via a wireless connection determines whether a first short-range, high-speed, wireless communication path is available and connects to...
6526028 CDMA mobile communication system with consideration of fading  
In a CDMA mobile communication system comprising a plurality of base stations and a mobile station for making possible to communicate with said base stations by a soft handover, forward...
6522643 Apparatus, method, and computer program products for cell-hopping satellite communications  
An apparatus, method, and computer program product for assigning communication resources in a beam-hopping cellular communication system. The satellite has a multiple beam antenna that covers a...
6512797 Peak to average power ratio reduction  
The present inventions provide methods and systems for reducing the peak to average power ratio of a multi-carrier signal. Reducing the peak to average power ratio of a signal ensures that...
6512757 Pipeline processing for data channels  
Method and apparatus for processing a plurality of data channels, e.g., of a CDMA telecommunications system, using a pipeline structure. The invention allows to process channels in an interleaved...
6507570 Interfrequency measurement  
A radio telephone for communicating in a spreadspectrum communication system having a plurality of radio channels of different frequencies; the radio telephone comprising communication means for...
6487408 Mobile communication system and method for registering location of a mobile terminal in the mobile communication system  
A mobile terminal registration system is provided for a mobile communication system having a plurality of base stations making respective radio zones and a mobile terminal that moves in the radio...
6463044 Traffic load control for CDMA mobile communication system  
An apparatus and method for controlling the traffic load of a base station in a mobile communication system. The base station dynamically manages the state transitions of the mobile stations...
Matches 101 - 150 out of 205 < 1 2 3 4 5 >