Method for the overlayed operation of two radio communication sy

Details Method for the overlayed operation of two radio communication sy Method for the overlayed operation of two radio communication sy

1996-07-24

1999-01-26

Pham, Chi H.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370329, 370342, 455 671, H04B 726, H04J 1300

Patent

active

058645497

ABSTRACT:
In the overlayed operation of two cellular radio systems one of the two systems is a small-scale or indoor system and the other is a large-scale or outdoor system. The indoor system monitors the operation of the outdoor system and detects, which part of the available radio resources are temporarily not in use in the outdoor system. The indoor system dynamically selects an unused outdoor channel for indoor operation. The indoor radio traffic is divided into cyclically occurring time slots and some of the slots are used for monitoring the existing radio communication on other outdoor channels so that fast changes according to changing traffic and interference conditions are possible.

REFERENCES:
patent: 5590409 (1996-12-01), Sawahashi et al.
patent: 5625889 (1997-04-01), Chikkaswamy et al.
patent: 5687171 (1997-11-01), Shin et al.
patent: 5710974 (1998-01-01), Granlund et al.

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