Channel allocation system for communication systems and an appar

Details Channel allocation system for communication systems and an appar Channel allocation system for communication systems and an appar

1994-12-27

1997-02-11

Faile, Andrew

Telecommunications

Transmitter and receiver at separate stations

455 333, 455 561, 455 62, 455 63, 379 59, H04M 1100

Patent

active

056030827

ABSTRACT:
In this invention, base stations established in service areas use sector antennas to cover a multiplicity of sector cells. When a communication request arises between a wireless terminal and a sector cell within the sector cell, the base station determines the arrival directions of interference waves on all channels and the arrival direction of the desired waves from the wireless terminal, selects channel in order for which the difference between arrival directions of interference waves and desired waves are closest to 180.degree. and allocates the first channel to satisfy allocation conditions.

REFERENCES:
patent: 5038399 (1991-08-01), Bruckert
patent: 5448750 (1995-09-01), Eriksson et al.
patent: 5475864 (1995-12-01), Hamabe
patent: 5491833 (1996-02-01), Hamabe
Andersson et al, "Adaptive Channel Allocation in a TIA IS-54 System", 1992, pp. 778-781.
Bhargawa et al., "Performance of Dynamic Channel Assignment Techniques in a Cellular Environment", 1992, pp. 340-343.

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