Matches 651 - 700 out of 924 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >
Match Document Document Title
5982761 Methods of communicating over time-division multiple-access (TDMA) communication systems with distinct non-time-critical and time-critical network management information transmission rates  
Data transfer efficiencies of a frequency division and/or time division multiple access (FDMA/TDMA) communication systems are improved over prior art systems by distributing signalling and...
5978367 Synchronizing a telecommunications connection in a mobile communications system  
A method of synchronizing a telecommunications connection in a mobile communications system having at least one base station, and having a first and at least a second mobile station communicating...
5978366 Methods and systems for reduced power operation of cellular mobile terminals  
A method and apparatus for reducing power consumption in a mobile terminal having a receiver for receiving a time multiplexed message distributed over a plurality of time slots by receiving a first...
5978361 ATM digital radio transmission method and system therefor  
An ATM digital radio transmission system bi-directionally transmits the ATM cell data from an ATM switch or ATM terminal between the radio base station and a plurality of radio subscriber stations...
5974040 Receiver and transmitter-receiver having variable attenuator to avoid saturation by a strong signal  
There are provided a receiver and a transmitter-receiver in which an automatic gain control loop is promptly performed and even in the case of a modulated wave having information in its amplitude,...
5968158 Apparatus including a host processor and communications adapters interconnected with a bus, with improved transfer of interrupts between the adapters and host processor  
A pair of communications adapters each include a number of digital signal processors and network interface circuits for the attachment of a multi-channel telephone line. A bus connecting the...
5966374 High-speed data transmission in mobile communication networks  
In a mobile communication system, two or more parallel traffic channels are allocated for high-speed data transmission over the radio path. Different channel numbers are assigned to these parallel...
5960046 Preamble based selection diversity in a time division multiple access radio system  
A selection diversity system and method for use in a TDMA (time division multiple access) radio system, particularly suited for DECT (Digital Enhanced Cordless Telephone) applications, in which a...
5959984 Dual mode satellite/cellular terminal  
A method and apparatus of communicating information using Time Division Multiple Access and adaptive transmission and reception are disclosed. Signal bursts are transmitted from TDMA transmitters...
5959983 Radio communication system  
A radio communication system which keeps to a minimum the number of slots which cannot be used due to interference from a neighboring base station, and which can increase the slot usage efficiency....
5953668 Radio channel management functionality distribution in wireless communication system  
A distributed processing architecture for a wireless communication system in which handover intelligence is distributed between the Base Station Subsystem (BSS), Base Station Controller (BSC) and...
5953665 Method and apparatus for digital control channel (DCCH) scanning and selection in a cellular telecommunications network  
A method for selecting a digital control channel (DCCH) for a mobile station operating in a cellular system. In the method, after a first DCCH meeting rssi requirements has been located, a search...
5953328 Medium access control protocol and method for wireless ATM networks  
A medium access control protocol for wireless ATM network in communication protocol for controlling an access between a plurality of mobile terminals and an access control station in the wireless...
5949764 Conference call on a personal handy phone system portable station  
A system that enables a portable station of the personal handy phone system to support a conference call. The present invention provides this capability by empowering a portable station to...
5946306 Allocation of time slots in a mobile communication system  
A method for allocating time slots in a mobile communication system including a base station and mobile stations, the base station communicating with the mobile stations on a radio frequency...
5946305 Cordless telephone system  
A digital cordless telephone system can prevent control signals transmitted from a plurality of base stations from interfering with each other In a digital cordless telephone system wherein a...
5943340 Channel assignment controlling system  
A channel assignment controlling system is disclosed that comprises a terminal unit, a base station, and a channel assignment controlling portion. The terminal unit comprises a demodulator, a...
5940763 Enhanced preemption within a mobile telecommunications network  
A first mobile station within a particular service area is initially allocated with a full-rate traffic channel. When congestion occurs within the serving base station controller (BSC) and no...
5937343 Method and system for updating replicated databases in a telecommunication network system  
A method and system of the present invention updates a replicated database of a telecommunications network system. A call transport system forwards calls from a local telephone station to a...
5936947 Mobile communication system and control channel setting method in mobile communication system  
A mobile communication system includes a plurality of radio base stations and mobile stations. The system establishes radio connection between each radio base station and each mobile station by a...
5933418 Method for increasing control channel capacity in a communication system  
A method for increasing the control channel capacity of a control station in a communications system. According to the method, in an idle mode of operation, a mobile station receives and processes...
5930716 Radio channel allocating system  
A base station 10 for an inner cell part and a base station 20 for an outer cell part are disposed at the center position of the outer cell part and the inner cell part, respectively. A service...
5930246 Bidirectional communication system  
A bidirectional communication system, including a base station and a plurality of mobile stations, comprises a first unit which alternatively sets a number of transmitting time slots and a number...
5930245 Radio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication system  
A radio telephone apparatus for performing space diversity reception to communicate with base stations in a TDMA radio communication system under an operating condition in which a frame period...
5926764 Method for establishing a telecommunication connection  
The present invention relates to a method for establishing a telecommunication connection from a subscriber station (1, 9) of a radio system forming a wireless subscriber connection to a public...
5926481 Timer Interrupt method for achieving quality-of-service criteria in a media-on-demand server system  
An implementation method is described that efficiently achieves Quality-of-Service (QoS) criteria in a Media-on-Demand (MOD) server system. A MOD server system comprises a media server connected to...
5923649 Layer 2 protocol in a cellular communication system  
A method for transmitting messages using an efficient communications link protocol over an air interface of a cellular communications system is disclosed. A frame in the protocol is divided into a...
5923648 Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA) communication systems between signalling burst transmissions and message transmissions  
Data transfer efficiencies of a frequency division and/or time division multiple access (FDMA/TDMA) communication systems are improved over prior art systems by distributing signalling and...
5917812 System and method for reducing interference generated by a digital communication device  
A system and method for reducing radio frequency interference arising in connection with pulsed transmission over time division multiplexed communication channels. In a first embodiment, a...
5915207 Mobile and wireless information dissemination architecture and protocols  
A device for implementing a multimedia communication dissemination system is disclosed herein. The communication system integrates heterogeneous satellite transmission systems, local area computer...
5914958 Fast call setup in a CDMA dispatch system  
A quality dispatch service on a CDMA based wireless system. To achieve spectral efficiency and fast access for follow-up calls, in response to a request by a talkgroup member to have a group call...
5914948 Mobile radio system with time-division multiplexing  
A mobile radio system that permits broadband radio transmission in which a mobile station (MS) can be assigned a plurality of subscriber channels (TCH) of different widths. To accomplish this,...
5914947 Mobile radio communication system which allocates spread codes mobiles which are able to determine the distance between a mobile and a base station  
In a mobile radio communication system for performing radio communication between a base station and a plurality of mobile stations by a code division multiple access method, a plurality of slots...
5911120 Wireless communication system having mobile stations establish a communication link through the base station without using a landline or regional cellular network and without a call in progress  
A mobile station communicates with both a cellular network, by which it is assigned a mobile identification number, and to a cordless cellular base station utilizing the same cellular frequency...
5910949 Packet channel feedback  
A method is disclosed for improving the efficiency of the packet data channel by providing means for interrupting tranmsissions so as to allow a communication system to send a short message to a...
5909433 Method and apparatus for acquiring low duty-cycle reference signals in a mobile communications environment  
A method is provided whereby a mobile cellular terminal can acquire and lock onto a low duty-cycle reference beacon transmitted from a private radio system base station. The terminal alternately...
5907544 Hub controller architecture and function for a multiple access-point wireless communication network  
A method for controlling a common channel wireless access premises area communication network, providing setup and low-delay transfer of either or both packet data or virtual connections by a...
5905720 Method and apparatus for traffic management of inbound communications in a radio communication system  
A communication system (100) provides inbound communications from messaging units (120) to a controller (105) and outbound communications from the controller (105) to the messaging units (120). The...
5903618 Multimode radio communication system  
Like a conventional one-way pager system, a two-way pager system is provided in which a message is received by paging from a base station and a message responding to the received message is...
5903552 Discriminating between channels in wireless communication systems  
A method and device are provided for encoding superframe phase (SFP) and packet channel feedback (PCF) information into a coded superframe phase/packet channel feedback (CSFP/PCF) field. More...
5898925 Method and arrangement for effecting transmission power control and/or handover of a mobile station assigned two or more time slots per frame in a TDMA telecommunications system  
A method and an arrangement for controlling transmitting power of a mobile station and carrying out a handover in a mobile telecommunications system in which data is transmitted over the radio path...
5898681 Methods of load balancing and controlling congestion in a combined frequency division and time division multiple access communication system using intelligent login procedures and mobile terminal move commands  
In a time-division multiple-access TDMA communication system communication between a hub and a substantial number of mobile terminals is conducted over a plurality of channel groups. Load balancing...
5896568 Wireless architecture having redistributed access functions  
A wireless access architecture, having redistributed wireless access functions, comprises a plurality of cell sites connected to a main switching point. The cell sites communicate with cellular...
5894473 Multiple access communications system and method using code and time division  
A multiple access communication system and method using Code Division Multiple Access (CDMA) and Time Division Multiple Access (TDMA) comprises coding information signals with CDMA codewords to be...
5894472 Packet access method in a cellular digital radio-communications system  
A method of performing cellular digital radiocommunications in a TDMA system implemented within a network of geographical cells through which mobile stations (SM1 to SM22) travel, a base station...
5892794 Digital communication system, a communication station for use in the system, and a method for use in the station  
Known is a digital communication system comprising wireless terminals for voice and non-voice data communication. In order to get a flexible mixed voice and non-voice data communication system...
5889770 Location updating for a packet-switched data service in a mobile communciation system  
A location management method is provided for packet data transmission in a mobile communication system. To reduce the amount of signalling for location management concerning packet transmission...
5889765 Bi-directional communications network  
A bi-directional communications network is disclosed, and in particular a TDM/TDMA protocol for the shared coax medium downstream/upstream resource. This protocol provides a very efficient...
5881061 Method and system for data communication  
A data communication method is provided by the present invention for carrying out a radio communication by intermingling circuit-switched communication and packet-switched communication using the...
5881060 Integrated cellular voice and digital packet data telecommunications systems and methods for their operation  
An integrated voice and packet data telecommunications system has at least one dual mode channel. The system comprises a plurality of transceivers, at least one transceiver being operable to...
Matches 651 - 700 out of 924 < 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >