Method and apparatus for selecting the best fixed communication

Details Method and apparatus for selecting the best fixed communication Method and apparatus for selecting the best fixed communication

1994-12-22

1995-11-07

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Optimum frequency selection

455 561, 4551613, 379 61, H04B 1500

Patent

active

054653975

ABSTRACT:
A portable communication unit (120) capable to communicating on a plurality of communication channels. The portable communication unit (120) includes a method for selecting one of an at least two fixed communication units (102) for communicating therewith. The method comprises the steps of (a) transmitting communication link requests (602); (b) receiving link grant responses (608) from the fixed communication units receiving the communication link requests; (c) transmitting wait signals (610) for delaying communication to the fixed communication units (102) responding to the communication link requests; (d) measuring and storing signal strengths (614) of the link responses received from the fixed communication units (102) responding to the communication link requests; (e) selecting the fixed communication unit (620) having a maximum measured received signal strength of the link grant response; and (f) initiating communication (630) with the fixed communication unit (102) having the maximum received signal strength.

REFERENCES:
patent: 4654867 (1987-03-01), Labedz et al.
patent: 4918437 (1990-04-01), Jasinski et al.
patent: 5008953 (1991-04-01), Dahlin
patent: 5027431 (1991-06-01), Tanaka et al.
patent: 5128959 (1992-07-01), Bruckert
patent: 5162790 (1992-11-01), Jasinski et al.

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