Matches 1 - 32 out of 32
Match Document Document Title
6952563 Method and apparatus for adaptively setting frequency channels in a multi-point wireless networking system  
In a wireless network with point-to-point, multi-point or broadcast communications links, a method is provided for adaptively setting frequency channels for wireless devices within the network by...
6850774 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6760602 Mobile communication system with improved base station control  
Method and apparatus for toggling service options after completion of call setup, is disclosed for use in a wireless communication system. A service option preferred by the base station ( 30, 32 )...
EP1424865A1 Method of and device for resource allocation in digital cellular communication systems  
In a digital cellular communications system with priority-based dynamic channel allocation, at least for resources that are to be reserved for a relatively long time to communications, in...
EP1228782A1 Medical communication system  
Medical communication system adapted to perform communication between two units 2,4, at least one of said units is adapted to be implanted in a human or animal body, using one active channel of a...
6370135 Continuous CDPD base station and method of facilitating efficient data transfer  
A multi-mode communication system, including controller, base stations and subscriber stations, where the communication system has the capability of operating either in a packet-switched mode or a...
6360077 Mobile radio communication device provided with functions for detecting and informing interference  
A mobile radio communication device for performing communication with a base station comprises an interference detection measure for detecting occurrence of interference to the downlink frequency...
6334062 Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages  
A portable radio telephone handset operates as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation, an analog cellular communication mode and...
6226520 Call set-up method in radio communication system  
Call processing method for exchanging channel information between a radio terminal and a base station by using a traffic channel. The radio terminal generates a list of radio terminal traffic...
6192252 Establishing a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system  
The present invention provides a channel selection controller and method for establishing a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications...
6131038 Method of and apparatus for selecting a channel in a base station by determining the field intensity of radiowaves received  
In a base station of a wireless telecommunications system for communicating with mobile terminals, a radiowave is received on a transmission channel and compared in field intensity with a threshold...
6122527 Cellular digital packet data mobile data base station  
A cellular digital packet data (CDPD) system includes a mobile data base station (MDBS) configured to interface easily with an advanced mobile phone system (AMPS). The elements of the MDBS are...
6122517 Method and system for assigning speech channel in mobile system  
A method and a system assign a speech channel difficult to cause interference in a radio mobile station and in both in the radio mobile station and a radio base station. A channel number is set, a...
6070077 Method for selecting traffic channel of mobile telecommunication base station  
A method for selecting traffic channels of a mobile telecommunication base station is disclosed. Normal traffic channel elements and busy traffic channel elements are calculated and compared with...
6006092 Quality driven voice channel selection in a cellular telephone system using idle voice channel signal strength measurements  
Each base station in a cellular telephone system includes a signal strength measurement device operable to tune to and make signal strength measurements on not only the voice channels assigned to...
5963848 Method and apparatus for assigning a channel to a mobile unit in a wireless communication system  
A unique method and apparatus determines (310) which channels in a wireless communication system are both authorized for cordless operation and available. A channel is then selectively chosen (328)...
5894595 Personal mobile communication system  
With the advent of personal digital assistants (PDAs) having modems for information, e.g., facsimile and/or data, transmission over wireless connections, as well as the capability for voice...
5878341 Device for authorizing the selection of a cell in a terminal of a cellular mobile radio network in the standby state  
To authorize the selection of a cell in a cellular mobile radio network terminal in the standby state, a parameter is calculated representative of the transmission quality with reference to that...
5758263 Selection of communication channel in a digital cordless telephone  
A method for testing a communication link between first and second components of a system, which components communicate via a selected one of a plurality of broadcast channels, the second component...
5752194 Method and apparatus for assigning channels to transmitters in a radio communication system  
Channels are assigned to a plurality of transmitters (206) in a radio communication system. First, interference constraints are defined (402) for the plurality of transmitters, and channel capacity...
5740537 Method and circuitry for selectively permitting communication in a multi-user communication system  
Circuitry, and an associated method for a multi-user communication system, such as a cellular communication system. Additional communication is selectively permitted in the communication system...
5724380 Radio transmission system  
A radio transmission system is disclosed for use in wireless local loop and hand-held applications which employs an intelligent frequency hopping method whereby the optimum frequencies for a...
5708973 Radio system with frequency optimization  
A radio system having frequency optimization, particularly a mobile radio telephone system having base stations and subscribers (low speed mobile stations or stationary stations) is provided. In...
5697056 Communication system in which radio subscriber units mitigate interference  
A cellular communication network (10) includes base stations located in orbiting satellites (12) and any number of subscriber units (26). The satellites (12) monitor the quality of signals received...
5678189 Communications system and communications unit for communicating over a base set of channels and an extended set of channels  
A communications system having a base station and a handset, capable of communicating over a base set of communication channels. Selecting one of the base channels for establishing communication....
5669062 Methods of demand-based adaptive channel reuse for telecommunications systems  
Methods efficiently assign user channels in a LEO (low-earth orbit) telecommunication system. These methods adapt the channel reuses based on system load or demand. These methods achieve high...
5625884 Global paging with reverse virtual call setup in wireless personal communications  
A method and apparatus providing communications between mobile units and other communications devices, is disclosed wherein, in response to a request to call a mobile unit from an originating...
5551064 Method and apparatus for communication unit frequency assignment  
A method and apparatus for establishing frequency assignments for a fixed radio communication unit of plural fixed radio communication units coupled via a controller. A controller functions to have...
5544222 Cellular digtial packet data mobile data base station  
A cellular digital packet data (CDPD) system includes a mobile data base station (MDBS) configured to interface easily with an advanced mobile phone system (AMPS). The elements of the MDBS are...
EP0723379A2 Method and apparatus for allocating channels in a cellular system  
The present invention provides a method and apparatus for allocating channels in a cellular system (10) by selecting transmission channels based on a measured signal quality level for each channel....
5533029 Cellular digital packet data mobile data base station  
A cellular digital packet data (CDPD) system includes a mobile data base station (MDBS) configured to interface easily with an advanced mobile phone system (AMPS). The elements of the MDBS are...
5481537 Transmission signalling technique for a reservation request  
When data is ready for transmission, a quality measurement of a communication resource is determined (303). A preferred signalling technique is determined from a plurality of signalling techniques...
Matches 1 - 32 out of 32