Base transceiver station for cellular mobile radio system and sy

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

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375202, H04B 7212, H04J 300

Patent

active

060318295

ABSTRACT:
In a TDMA type cellular mobile radio system frequencies are shared between cells of the same re-use pattern and frequency hopping is used so that the frequency used at any time in one of the cells of a re-use pattern is different from those used at the same time in the other cells of that pattern. A base transceiver station of this system commands the sending of one of the frequencies shared in this way during a part of the time division multiple access frame and commands the stopping of all sending during the other part of the frame. This other part of the frame has a duration at least equal to the relative synchronization error between base transceiver stations of the system

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patent: 5619493 (1997-04-01), Ritz et al.
patent: 5627880 (1997-05-01), Rozanski et al.
patent: 5638361 (1997-06-01), Ohlson et al.

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