Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Patent
1996-05-13
1998-12-01
Hsu, Alpus H.
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
370337, 455436, 455525, H04B 7212, H04B 726, H04Q 724
Patent
active
058448985
ABSTRACT:
A handover method for a mobile radio communications system, which reduces the disconnection time when the radio channel is switched from one radio base station to another radio base station. When the electric field received from a first radio base station weakens beyond a preset level during communication, the mobile station receives TDMA frames intermittently from other radio base stations without disconnecting communication with the first radio base station, and selects a second radio base station based on the strength of the received electric fields. In a similar manner, the mobile station then intermittently prepares for connection with the second radio base station while continuing the communication with the first radio base station.
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Hsu Alpus H.
NEC Corporation
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