Matches 1 - 50 out of 95 1 2 >
Match Document Document Title
7248874 Mobile assisted handover using CDMA  
A mobile station assists the wireless network with handover from a first base station to a second base station. The mobile station receives transmissions from the first base station using a first...
EP0930721B1 Telecommunications system with bandwidth agile receivers and transmitters  
Abstract of EP0930721 A transmitter (3) or a reciver (4) for a telecommunications network is described for transmitting digital information signals at at least one centre frequency, wherein said...
7212820 Mobile assisted handover using CDMA  
A method and system for facilitating handover in mobile radio communication systems are illustrated. The mobile unit assists in making handover decisions by monitoring the signal strength of...
7146173 Method and network for answering calls to mobile terminals according to user-defined response modes  
In a mobile communication network, a mobile terminal is set in one of a number of user-defined response modes. The information indicating the set response mode is stored in a status memory, and the...
7068934 Optical interconnect  
An optical interconnect comprises an input configured to receive light of a plurality of light wavelengths and a plurality of holographic optical elements. Each element configured to reflect one...
6983150 Wireless cellular communication system  
A wireless communication system including a repeated pattern of cells, in which base station transmitters and user station transmitters for each cell may be assigned a spread-spectrum code for...
6888795 Resource allocation in a circuit switched network  
Allocating resources in a circuit switched data network, comprising receiving a request for a resource from a device coupled to the circuit switched data network and granting the resource to the...
EP0851694B1 Communication method, base station and terminal apparatus  
Abstract of EP0851694 A communication resource allocation method according to the present invention is one in which a second apparatus allocates a communication resource based on a request from a...
6711358 Optical apparatus using a phase grating  
An optical apparatus comprises a phase grating, an input-ring array, an output-ring array and an optical interconnect. The phase grating produces a modulated light beam for each of a plurality of...
6628626 Wireless data communications using asymmetric channel allocation  
High speed data transfer from a base station to a mobile terminal is provided using an additional wide band communication channel that supplements the communications provided by the reverse (mobile...
6625136 Spreader for multiple data rates  
The present invention relates to spreading data of a plurality of digital communication channels having different data rates with code sequences having different lengths. The inventive circuit...
EP0789501B1 Handset with monitoring means for handoff  
Abstract of EP0789501 A radio handset for communication via one of a plurality of channels with one of a plurality of base stations in a digital cellular telephone system, comprising means to...
EP0757500B1 Radio telephones and methods of operation  
Abstract of EP0757500 A method and apparatus for detecting additional base stations in a cellular radio telephone system in which communication channels are opened with a selected base station on...
6563617 Optical apparatus using a 2D-spatial light modulator  
An optical apparatus comprises a 2D-spatial light modulator, an input-ring array, an output-ring array and an optical interconnect. The 2D-spatial light modulator produces a modulated light beam...
EP0641093B1 Radio system with permanent adaptation to need in capacity through command of sender and receiver  
Abstract of EP0641093 A radio system, in particular a mobile radio system (MRS), is proposed which has radio interfaces (COMa) with modifiable parameters (Ta, Fa) which are defined and modified by...
6480723 Communications interface adapter  
A communications interface adapter facilitates both wired and wireless communications between crew members of a vehicle having a wired intercom and has an intercom communications circuit having an...
6434406 Antenna system for a cellular telephone network  
A cellular telephone system is described of the type wherein a plurality of contiguous cells, each having an assigned set of identification codes, are arranged with means for maintaining continuous...
6426818 Optical interconnect for high speed processor  
Data is transferred between a plurality of processors. A plurality of light beams is produced. The light beams have at a particular time a single wave length. The single wavelength is selected from...
RE37787 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station is handed over from a first base station transmitter...
6400699 Transmission scheduler for a multiple antenna wireless cellular network  
The invention includes an apparatus and method for scheduling wireless transmission of data blocks between at least one antenna of a base transceiver station and multiple subscriber units. The...
RE37685 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station (MS 1 , MS 2 ) is handed over from at least a first...
6373605 Optical interconnect for high speed processor  
An optical interconnect transfers data between a plurality of processors. An input-ring array receivers a plurality of data modulated light beams. Each data modulated light beam has a plurality of...
RE37571 Subscriber RF telephone system having distributed channel switching capability  
A radio communication system for processing information signals received from telephone trunk lines for transmission over a plurality of RF subscriber channels is disclosed. The system includes a...
6351461 Communication method, base station and terminal apparatus  
A communication resource allocation method is one in which a second apparatus allocates a communication resource based on a request from a first apparatus, and includes an allocation request step...
6304559 Wireless communications protocol  
A method for implementing a timed division multiple access protocol for digital communications between a radio transceiver and a repeater or another radio transceiver has the steps of dividing a...
6252860 Method and system for improving the degree utilization of telecommunications channels in locally concentrated, asynchronous wireless telecommunications systems  
Method and system for improving the degree of utilization of telecommunication channels in locally concentrated asynchronous wireless telecommunication systems wherein, in each telecommunication...
6243573 Personal communications system  
A personal communications system has a plurality of personal communications units defining a network. The personal communications units are configured to send and receive digital communications...
6243180 Optical interconnect for high speed processors  
An optical interconnect for use with SIMD processors, including holographic-optical elements, dove prisms, beamsplitters and a processor. Laser diodes, with each operating at a different...
6240079 Data transmission method in a TDMA mobile communication system  
In a cellular communication system, multiple TDMA time slot channels may be assigned to a single mobile station. The network may dynamically adjust, during a call, the number of channels assigned...
6223062 Communications interface adapter  
A communications interface adapter facilitates both wired and wireless communications between crew members of a vehicle having a wired intercom and has an intercom communications circuit having an...
6219538 Method and apparatus for fraud control in cellular telephone systems  
A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the...
6185416 Method and apparatus for fraud control in cellular telephone systems  
A method and apparatus for fraud control in cellular telephone systems. Call records from a switch are scanned to identify a fraudulent cellular phone based on its behavior. An identifier, e.g., a...
6169730 Wireless communications protocol  
A method for implementing a time division multiple access protocol for digital communications between a radio transceiver and a repeater or another radio transceiver has the steps of dividing a...
6141426 Voice operated switch for use in high noise environments  
A method for using a voice operated switch in a changing high noise environment involves determining a relative energy of the background noise, calculating VOX, voice, and delta thresholds, and...
6122519 Radio telephones and methods of operation  
A method and apparatus for detecting additional base stations in a cellular radio telephone system in which communication channels are opened with a selected base station on a selected channel.
EP0832526B1 CDMA COMMUNICATION SYSTEM IN WHICH BIT RATES ARE DYNAMICALLY ALLOCATED  
Abstract not available for EP0832526 Abstract of corresponding document: WO9700565 A CDMA communication system is provided in which bit rates are dynamically allocated by a single CDMA receiving...
6069880 Method and apparatus for scanning other frequency pilot signals in a code division multiple access communication system  
A method and apparatus for detecting a pilot signal on a second frequency while monitoring a first frequency having an assigned paging slot and a plurality of non-assigned paging slots. The method...
6049536 CDMA communication method and spread spectrum communication system  
A frequency band for communication between a base station and mobile stations is divided into a reverse-link and a forward-link bands. In each of these bands, carrier frequencies are defined in...
6041243 Personal communications unit  
A personal communications unit facilitates both wired and wireless communications with a wired intercom. The personal communications unit has a headset, an intercom connection cable placeable in...
6031827 Method for radio resource control  
In order to control the use of physical radio resources, the physical radio resources are divided into chronologically consecutive frames (14), so that a frame contains slots (16, 17, 18) of...
D421002 Personal communications unit handset  
D419160 Personal communications unit docking station  
6008918 Optical interconnect for high speed processor  
An optical interconnect for use with SIMD processors, including holographic-optical elements, dove prisms, beamsplitters and a processor. Laser diodes, with each operating at a different...
5995829 Programmable system determination in dual-mode wireless communications systems  
The procedure for Programmable System Determination (PSD) utilizes the over-the-air programming protocol and procedures which support the Over-The-Air Service Provisioning (OTASP) feature in...
5983118 Antenna system for a cellular telephone network  
A cellular telephone system is described of the type wherein a plurality of contiguous cells, each having an assigned set of identification codes, are arranged with means for maintaining continuous...
5950121 Method and apparatus for fraud control in cellular telephone systems  
A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the...
EP0930721A1 Telecommunications system with bandwidth agile receivers and transmitters  
A transmitter (3) or a reciver (4) for a telecommunications network is described for transmitting digital information signals at at least one centre frequency, wherein said transmitter or said...
5896570 Handoff by monitoring of received signal strengths among base stations  
A radio handset for communication via one of a plurality of channels with one of a plurality of base stations in a digital cellular telephone system, comprising means to monitor at first intervals...
5883927 Digital wireless telecommunication device for reduced interference with hearing aids  
A digital wireless telecommunication device for reduced interference with hearing aids includes an assistive listening device detector. The assistive listening device detector identifies the...
RE36079 Handover method for mobile radio system  
The invention relates to a method in mobile radio systems in which the responsibility for transmitting message information to a mobile station is handed over from a first base station transmitter...
Matches 1 - 50 out of 95 1 2 >