Matches 551 - 600 out of 924 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >
Match Document Document Title
6304759 Method for extending the range of a wireless communication system  
A method for extending a cell radius or access range of a base station without incurring ASIC correlator re-design. This is accomplished using a modified timing protocol that will cause signals...
6304560 Personal handy-phone system wireless local loops and methods of transmitting information within personal handy-phone systems  
The present invention provides methods of transmitting information within a personal handy-phone system wireless local loop and personal handy-phone system wireless local loops. One embodiment of a...
6301232 Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA) communication systems between signalling burst transmissions and message transmissions  
A method configures at least one channel group of a communication system. The channel group includes at least one forward channel and at least one return channel. A central station transmits data...
6300864 Method for transmitting and receiving address information within a communication system  
The first frame of a paging slot (405) contains a portion of every page's (401-404) address. Likewise, the second, third, and fourth frames of the slot (405) contain a second, third, and fourth...
6295286 Method for indicating a multi-slot channel in a TDMA radio system  
The invention relates to a method for indicating a multi-slot channel in signalling received over a radio terminal in a TDMA radio system without increasing the amount of signalling compared to...
6295279 System and method for measuring reverse-link carrier-to-interference ratio for a time division multiple access system in the field environment  
A telecommunications system and method is disclosed for obtaining an accurate reverse-link Carrier-to-Interference (C/I) measurement for a Time Division Multiple Access (TDMA)-based system in a...
6278878 Mobile communications system with portable terminal for facilitating channel switching  
A mobile communications system includes a base station that allocates a plurality of pairs of transmission and reception slots to one data frame and a portable terminal that communicates with the...
6278703 Method and apparatus for improving neighbor searching performance  
In a system for mobile wireless communication, it is desirable to minimize the period of time during which the RF circuitry is powered (i.e. the RF power period). A novel method and apparatus for...
6278387 Audio encoder and decoder utilizing time scaling for variable playback  
An audio codec having an encoder and a decoder is disclosed. The encoder enables the compression of an audio signal for transmission or storage while the decoder receives a compressed audio signal...
6272118 Synchronizable base stations of a wireless multi-cell telecommunication system and a method of synchronizing same  
The base stations of a wireless multi-cell telecommunication system receive a time signal radio message sent by a time transmitter, with which the base station-specific function executions of the...
6266330 Dynamic allocation of radio capacity in TDMA system  
The invention relates to a method aiming at dynamic division of the radio capacity in a TDMA system dynamically between packet radio service and circuit switched service. According to the...
6262980 Dynamic resource allocation method and apparatus for broadband services in a wireless communications system  
A dynamic resource allocation method and apparatus for broadband services in a wireless communications system. The communications system can have a number of cells, each of which has multiple...
6259686 Multiple access method in a cellular radio communication network  
The network allows communications at various bit rates, with signals transmitted in successive frames each divided into elementary timeslots which can be used for different communications. 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...
6249526 Versatile time division multiple access slot assignment unit  
The present invention is a versatile time division multiple access ("TDMA") slot allocation unit. In one embodiment, the versatile TDMA slot allocation unit includes a slot counter configured to...
6249515 Multiple access control method for guaranteeing QOS requirement  
A multiple access control method for guaranteeing a QoS requirement is disclosed. The method includes the steps of a first step in which the random access channel is separated into a plurality of...
6247150 Automatic retransmission with order of information changed  
The invention relates to packet transfer over a radio path in accordance with the ARQ protocol. It is based on the idea that instead of repeating in the retransmission the same bursts, i.e. the...
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...
6236860 Method for performing handover and roaming in a radio communication environment  
The invention relates to duplex radio communication systems comprising radio access units and at least one remote radio access units operating in a time asynchronous manner. The radio environment...
6233229 Method of allocating frequency bands to different cells, and TDMA cellular radio system  
A TDMA cellular radio system and a method of allocating available frequency bands to different cells in a TDMA cellular radio system wherein at least some of the receivers within the system use...
6230026 Basestation architecture supporting baseband frequency hopping utilizing time division multiplexed mapping between a radio transceiver and digital signal processing resources  
A wireless telephone architecture employs a broadband transceiver that is coupled to a digital channelizer and digital combiner, such as may employ a real-time Fast Fourier Transform, to extract or...
6223040 Method and a system in a cellular network  
In a cellular mobile radio system, co-channel radio base stations are provided with a time reference signal being a synchronizing signal or a time reference from another co-channel radio base...
6219345 Timing estimation in mobile communication systems using parabolic interpolator  
The present invention discloses an improved system and method for increasing the timing accuracy of a time domain multiple access (TDMA) mobile communication system using a resource efficient...
6212405 Extended range concentric cell base station  
The present invention is a extended range concentric cell base station and a method for extending a cell size or access range without incurring ASIC correlator re-design. This is accomplished with...
6208630 Modulary clustered radiotelephone system  
A power-conserving time division multiple access (TDMA) radio telephone system is disclosed in which a cluster of subscriber stations, remote from a base station, employs a common pool of...
6201974 Mobile station and network having hierarchical index for cell broadcast service  
This invention provides for the use of an index message in a Cell Broadcast Service. An index message is considered to be a special type of Cell Broadcast message which contains general information...
6188916 Communication system of portable communication terminal, incoming call control system of portable communication terminal and incoming call notifying device of portable communication terminal  
The malfunction of a vibrator as a drawback of a conventional independent vibrator type portable terminal is obviated. A communication system of a portable communication terminal comprises a...
6181686 Automatic data transfer mode control  
The method according to the invention relates in general to transmission in cellular telecommunication systems and in particular to optimization of the data transfer mode. In the method according...
6172967 System and method for servicing communications between base station and plural mobile stations  
A method for servicing communications between a base station and plural mobile stations which are linked by a radio line in which plural communication channels are set, comprising the steps of...
6160801 Mobile communication system  
A mobile communication system implementing a frequency sharing and a time slot sharing using communication signal including a plurality of TDMA signals and/or the time divided CDMA signals, to...
6160800 TDMA communicating method and TDMA receiving apparatus  
A TDMA receiving apparatus for use with a base station including a plurality of receiving antennas, a plurality of outdoor units for converting received signals into first intermediate frequency...
6157632 Low complexity protocol method device and system robust in the presence of bursted  
The present invention provides a method/protocol (400, 800) and device (600; 700) for transmitting a synchronous stream of information, in a wireless, centrally controlled communication system. The...
6157625 Audio-video signal transmission apparatus  
In transmitting an MPEG transport stream, each audio signal packet is placed after the corresponding video signal packet when audio and video transport streams are multiplexed. If simple switching...
6154652 Device and method for performing handoff in mobile communication system  
A mobile communication system transmitting data in frame unit includes a base station apparatus and a terminal apparatus. The transmitter has a controller having consecutive first and second frames...
6151312 Network protocol for wireless broadband-ISDN using ATM  
A network protocol for the delivery of wireless broadband integrated services digital network (ISDN) using asynchronous transfer mode (ATM).
6151310 Dividable transmit antenna array for a cellular base station and associated method  
A time division multiple access base station communicates with a plurality of mobile stations in a cellular communications system using a plurality of time division multiple access (TDMA) time...
6144710 Joint maximum likelihood sequence estimator with dynamic channel description  
A cellular communication signal receiver receives a desired signal in the presence of at least one co-channel interference signal. The receiver comprises a channel estimator configured to receive a...
6144653 Method for communicating in a wireless communication system  
A communications system in which information is transmitted in a plurality of time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of paging frames. A...
6137787 Method and apparatus for resource assignment in a wireless communication system  
A method and apparatus for assigning communication resources for at least one communication site in a time division communication system having multiple reuse patterns in the time domain. A first...
6134230 Method for selecting a link protocol for a transparent data service in a digital communications system  
In a communication system, a link protocol for a transparent data between a mobile station and a base station is selected by pre-selecting from all possible combinations of available link protocols...
6131034 Method and apparatus for collector arrays in wireless communications systems  
The present invention is a communication system having a plurality of forward channel communications and a plurality of corresponding reverse channel communications in a region for communications...
6131033 Methods and systems of performing system channel planning for wireless local loop communication  
Methods and systems of communication reduce the internal interference associated with conducting radio communication in a wireless local loop communication system down to acceptable levels....
6125276 Inter-exchange signaling for in-call service change requests  
In those instances wherein inter-exchange handoff of a cellular call occurs, and a mobile station desires to activate an in-call service change with respect to that cellular call among and between...
6125148 Method for demodulating information in a communication system that supports multiple modulation schemes  
A method of demodulating voice or data and control information in systems that support multiple modulation schemes modulates voice or data using a first linear modulation scheme, such as 16QAM...
6115369 Wireless repeating method and wireless repeating unit  
The object of the present invention is to provide a simple wireless repeating method and a repeater suitable for application to Time Division Multiple Access-Time Division Duplex communication...
6112084 Cellular simultaneous voice and data including digital simultaneous voice and data (DSVD) interwork  
A system and method of simultaneously conducting a data transfer and a voice call between a mobile station and a radio telecommunications network having a mobile switching center (MSC) which serves...
6112066 Mobile radio set and method of determining the reception field strength  
The reception field strength of the RF carriers of adjacent channels and of the current channel are determined in a mobile radio set in a TDMA system. A plurality of individual measurements are...
6111870 Method and apparatus for compressing and transmitting high speed data  
Two related voiceband compression techniques are employed in order to enable an RF telecommunications system to accommodate data signals of high speed voiceband modems and FAX machines. A High...
6111867 Method and apparatus for load shedding in a TDMA packet data system  
A system implements a method of allocating a mobile communications device, such as a mobile end station, to packet channels, such as packet control channels within a cell. A mobile communications...
6108325 Optimized SMS delivery algorithm  
A system and method for delivering short messages to idle mobile stations which conserves paging channel capacity. A normal page is first sent to all cells to locate the mobile station to which the...
Matches 551 - 600 out of 924 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >