Matches 1 - 38 out of 38
Match Document Document Title
EP1450531B1 System and method for generating signal waveforms in a CDMA cellular telephone system  
Abstract of EP1450531 A cell site, comprising: means for modulating configured to format digital data for transmission on a communications channel and to insert at least one timing command into...
6999791 Mobile communication terminal apparatus with data communication function  
During the CDPD mode period, RSSI data and battery remaining capacity determination data measured by a hand held phone HHP are periodically transferred to a personal computer PC, and are displayed...
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...
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce...
EP1450531A2 System and method for generating signal waveforms in a CDMA cellular telephone system  
A cell site, comprising: means for modulating configured to format digital data for transmission on a communications channel and to insert at least one timing command into the digital data, the...
6775549 Method for self-calibration of a wireless communication system  
Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations....
EP0807363B1 FLEXIBLE DOWNLOADING OF SOFTWARE  
Abstract not available for EP0807363 Abstract of corresponding document: WO9624231 In a networked system, such as a telecommunications system, having a first node coupled to a second node, a...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
6496699 Method for self-calibration of a wireless communication system  
Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations....
6473623 Method for self-calibration of a wireless communication system  
Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations....
6463271 Portable radio telephone data terminal using cdpd  
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
6442397 Method for self-calibration of a wireless communication system  
Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations....
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
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...
EP1176842A2 Wireless communication system and switching exchange with remote programming of telephones with alphanumeric display  
A telecommunications system comprising a base station (18), an RF means for communicating from the base station to a remote telephone and plural remote telephones (22), each of said telephones...
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...
6324411 Background software loading in cellular telecommunication systems  
A method of loading software in cellular telecommunication systems is disclosed. The method permits software data to be loaded in the background while transceiver devices may be engaged in voice or...
6314294 Method for self-calibration of a wireless communication system  
Self RF engineering is made possible for a wireless communication system by adding to the self-configuration capability the ability to set autonomously the power levels of the system base stations....
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...
6052565 Mobile communication terminal apparatus with data communication function  
During the CDPD mode period, RSSI data and battery capacity remaining determination data measured by a hand held phone HHP are periodically transferred to a personal computer PC, and are displayed...
5974322 Method and apparatus for placing a fixed-site transceiver into service in a wireless communication network  
An apparatus and method for automatically placing a fixed-site transceiver into service once installed in a wireless communication network, such as a cellular communication network. Configuration...
5844522 Mobile telephone location system and method  
A wireless network based location system and method uses an existing wireless communication network to locate the position of any active phone or transceiver unit in the network. The system...
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a...
5737706 Power system supporting CDPD operation  
A portable radio telephone handset includes the capability of operating as a data transfer terminal as well as an analog cellular telephone subscriber station. Two modes of operation are available...
5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A land mobile transmission trunked communication system is provided with a unique switching protocol arrangement among repeaters that are networked to one or more external communication networks....
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...
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...
5465386 Signaling protocol for a distributive wide area transmission trunked communication system  
A land mobile transmission trunked communication system is provided with an enhanced control signal protocol. The land mobile transmission trunked communication system includes a plurality of...
5440759 Modular networking switch system for a distributive wide area transmission trunked communication system  
A modular networking switch system for a land mobile transmission trunked communication system provides transmission trunked communications with a plurality of transceivers and networks the...
5305467 Local area network for flexible digital communications within and between RF base stations  
A LAN multi-node generic digital signal communications link within a radio frequency (RF) base station system communicates control signals within and between base stations. The generic digital...
5295184 Dynamically adjustable call pacing system  
A dynamically adjustable call pacing system computes the average time a call spends on hold. An Average Hold Time is computed and dynamically updated by monitoring the number of current calls on...
5159701 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio...
5111534 Method for assigning telecommunications channels in a cellular telephone system  
A method of assigning frequencies in a cellular telephone system in which a first group of the available frequencies is assigned to a first cell, and then distinct groups are assigned to adjacent...
5093670 Logarithmic periodic antenna  
A logarithmic periodic antenna is constructed with antenna elements implanted in a single plane in or on a surface of an insulating substrate. The substrate supports the co-planar antenna elements...
5046082 Remote accessing system for cellular telephones  
A system for allowing remote access to cellular telephone programming through the PSTN is disclosed. The system includes a specifically configured remotely accessible cellular telephone (RACT) and...
EP0400930A2 Realtime redundant operating system.  
In an electronic system of the type wherein a plurality of boards, including a common memory, plug into a backplane which provides data and address buses for common use, realtime redundancy is...
4837800 Cellular data telephone system and cellular data telephone therefor  
A unique cellular data telephone system includes a cellular telephone system (CTS 150), a cellular data switch (CDS 170), and a telephone central office (130) for providing both voice and data...
4785425 Electronic locking system  
A field programmable electronic locking system includes a processor and an electrically erasable programmable read-only memory (EEPROM). The processor has address outputs electrically connected to...
Matches 1 - 38 out of 38