Matches 1 - 39 out of 39
Match Document Document Title
7301932 Method and system for multiple access in a radiocommunication system  
A method for multiple access in a radiocommunication system which avoids forming a signaling multiframe with an inflexible turn of transmission. A fixed unit broadcasts over a pilot channel a...
7292861 Logical channel selection for information transmission in a telecommunications system  
The idea of the present invention is to enable the transmission of control information via several logical channels and to select the transmission channel dynamically by using a predefined...
7283508 Apparatus and method for transmitting/receiving serving HS-SCCH set information in an HSDPA communication system  
A communication system includes a shared channel occupied by a plurality of user equipments (UEs) and spread with a plurality of channelization codes to transmit user data, and a plurality of...
6490452 Group handover in a cellular communications network  
A cellular communications system permits handover of a group of mobile stations ( 15 ) having like characteristics from a base station ( 13 ) operating in one type of network e.g. UMTS to a base...
6456858 System and methods in a dual mode wireless system for transmitting rescan command based on detected network conditions  
A dual-mode wireless telephone communications system, having a digital wireless communications system (e.g., CDMA) and a second wireless communications system, selectively outputs a rescan command...
EP1058473A1 Group handover in a cellular communications network  
A cellular communications system permits handover of a group of mobile stations (15) having like characteristics from a base station (13) operating in one type of network e.g. UMTS to a base...
6128500 Method and system to optimize capacity of a CDMA cellular communication system  
A method and system for optimizing system capacity and allocation in a CDMA cellular communication system obtains a current call volume and associated call characteristics for each of a plurality...
5875387 Method and apparatus for receiving a radio signal within a home control channel in a multichannel radio communication system  
In a system controller (102) a quantity of control channels is determined; a portion (344) of a code word (338) is set to identify the quantity of control channels; the code word (358) is...
5794150 Inter-zone connection communication method and system  
An inter-zone connection communication method for carrying out a general connection communication and an inter-zone connection communication at the same time, using general connection channels...
5563883 Dynamic channel management and signalling method and apparatus  
There is provided a dynamic and adaptable method and apparatus to support two-way multi-media communication services on a multiple access communication system, which comprises a central controller,...
5542093 Method for redistributing dual mode mobile units to extended channel groups to reduce congestion in primary channel groups  
A method of setting up and handing off calls in a mobile cellular radio system in which consideration is given to the load capacity of several types of channels. The communication system determines...
EP0398911B1 TRUNKED COMMUNICATION SYSTEM WITH NATIONWIDE ROAMING CAPABILITY  
Abstract not available for EP0398911 Abstract of corresponding document: US4833701 Selected regional trunking systems are equipped with telephone interconnect capability and provided with local...
5369783 Dynamic regrouping in a trunked radio communications systems  
In a trunked radio frequency communications system, a dynamic regrouping scheme includes an effective user interface, automatic support of multi-site systems, the capability to program individual...
5363427 Telephone resource allocation method in a communication system  
In a communication system that provides access to telephone resources of different types, a resource allocator of the communication system may more efficiently allocate the telephone resources in...
EP0358688B1 METHOD FOR DYNAMICALLY ALLOCATING DATA CHANNELS ON A TRUNKED COMMUNICATION SYSTEM  
Abstract not available for EP0358688 Abstract of corresponding document: US4870408 Disclosed is a method to dynamically allocate a number of data channels on a trunked radio system (100). The data...
5241685 Load sharing control for a mobile cellular radio system  
In a mobile cellular radio system, load balancing is achieved by moving dynamically the borders between any two cells such that an overloaded cell becomes smaller and the neighboring cell larger....
5168575 Demand driven wide-area radio system resource assignment method and apparatus  
A method of re-using communication resources within a trunked mobile communication system by incrementally allocating common communication resources in adjacent service coverage areas to service...
5134708 Radio telephone apparatus  
Radio telephone apparatus for use in a cellular mobile telephone system includes an alarm to inform a user of a drop in signal strength of radio frequency signals received over an established...
5119397 Combined analog and digital cellular telephone system having a secondary set of control channels  
A method and apparatus for directing mobile stations in a cellular mobile radio system to different sets of control channels, depending on whether the land system and the mobile stations have...
5117501 Dynamic regrouping in a trunked radio communications system  
In a trunked radio frequency communications system, a dynamic regrouping scheme includes an effective user interface, automatic support of multi-site systems, the capability to program individual...
5101407 Multiple-access communications system  
A multiple access communications system for use between a base and a plurality of substations and having a first channel for transmission of data from the base to the substations and a second...
5093926 Trunked communication system scanning method and apparatus  
A communication unit having a dynamic control resource scan list utilizes the scan list to more effectively roam from the current trunked communication system to other trunked communication...
5081704 Method of arranging radio control channels in mobile communications  
According to a method of arranging radio control channels in mobile communications, for covering a service area with a plurality of radio zones and causing base and mobile stations to exchange...
5077828 RF channel expansion in a trunked radio communications system  
In a trunked radio frequency communications system, an arrangement dynamically "expands" or extends the frequency allocation table stored within the "personality" defining non-volatile storage...
5060296 Communication system with squelch control  
A trunked communication system (100) wherein an EOT (308) as transmitted by a communication unit (103) is used by the system to initiate a squelch methodology, but is not used by the resource...
5040238 Trunking system communication resource reuse method  
Reusing radio frequency specta in a trunked radio system by establishing small cell trunked radio systems within a large cell trunked radio system wherein low power radio transmission occurs...
5014314 Method for developing and transmitting usage context information in an RF communication system  
In an RF communication system, a method for developing and communicating usage context information. When an inbound communication (110) is received from a communication unit (107), a repeater (101)...
4916728 Cellular telephone unit with prioritized frequency acquisition  
A cellular telephone unit includes selective carrier signal acquisition. Priority of acquisition is given to carrier signals associated with home system identification codes (SIDs), then to any...
4903322 Apparatus for managing channels of radio communication system  
A channel management apparatus provided for a plurality of master radio communication units which perform communication by selecting as desired one or more of a plurality of channels that are...
4870408 Method for dynamically allocating data channels on a trunked communication system  
Disclosed is a method to dynamically allocate a number of data channels on a trunked radio system (100). The data activity is monitored during a predetermined time interval. If activity is above a...
4850033 Method of and control arrangement for selecting a control channel by a mobile radio station  
In prior cellular radio transmission systems a base radio station (BS) periodically transmits references identifying control channels associated with such base radio station, references identifying...
4837858 Subscriber unit for a trunked voice/data communication system  
A trunked voice/data subscriber is provided that operates in either a voice mode, or one of three data modes. In a first data mode, the voice/data subscriber monitors the voice control channel to...
4833701 Trunked communication system with nationwide roaming capability  
Selected regional trunking systems are equipped with telephone interconnect capability and provided with local computers (106), which communicate with a national hub computer (110). At each...
4831373 Method for dynamically allocating data channels on a trunked communication system  
Disclosed is a method to dynamically allocate a number of data channels on a trunked radio system (100). The data activity is monitored during a predetermined time interval. If activity is above...
4794635 Two-way radio communication system with max-minimum call assignment method  
An improved two-way radio communication system having a limited number of channels is disclosed which assigns calls in a max-minimum method, in a first embodiment according to the type of call and...
4742560 Mobile radio unit in cellular wide range mobile communication system  
A mobile radio unit assures a wide area communication system having a function equal to a tracking exchange function and profitably employing an equipment of the existing exchange as it is. The...
4672657 Multichannel telephone system  
A multi-channel RF telephone system that utilizes a dedicated channel status monitor to develop a list of available communications channels, and a common channel transceiver to transmit this list...
4670899 Load balancing for cellular radiotelephone system  
Balancing of loading of cells in a cellular mobile radio telephone system is performed by periodically determining the channel utilization of each cell, computing a representative voice channel...
4649567 Dispatch overdialing for inter-group and other added calling/called access to communications channels in a trunked radio communications system  
"Dispatch overdialing" permits radio transceivers already communicating via a repeater with other transceivers in a trunked radio communications system to call additional radio transceivers onto...
Matches 1 - 39 out of 39