Multiplex communications – Wide area network – Packet switching
Patent
1993-04-26
1994-09-06
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
379 60, 455 332, 375 12, H04B 7212
Patent
active
053454480
ABSTRACT:
In a digital Time Division Multiple Access radio communications network that includes a number of Base Transceiver Stations, and several Mobile Stations, a handover can be accomplished so that the parameters required in identifying a Mobile Station, and the frequency data, the data of the time interval to be used, as well as the frame number data of the channel are given to a new Base Transceiver Station to which a Mobile Station will be moved. The new Base Transceiver Station is tuned to listen to the channel determined by the data it received. The former Base Station transmits a handover command to the Mobile Station containing the frequency data, the data of the time interval to be used, as well as the frame number data of the channel to which the new Base Station has moved. After the command the Mobile Station turns the trafficing directly to said channel. The timing measurements between the Base Station and the Mobile Station are not required and any tuning correction is carried out by the channel equalizer.
REFERENCES:
patent: 5042082 (1991-08-01), Dahlin
patent: 5081679 (1992-01-01), Dent
patent: 5241688 (1993-08-01), Arora
patent: 5247401 (1993-10-01), Dahlin et al.
Nokia Mobile Phones Ltd.
Safourek Benedict V.
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