Radio communication system, radio communication apparatus,...

Details Radio communication system, radio communication apparatus,... Radio communication system, radio communication apparatus,...

2005-01-26

2010-02-02

Pan, Yuwen (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S421000, C455S423000, C455S435100, C455S067110

Reexamination Certificate

active

07657276

ABSTRACT:
In order to allow each of communication stations to execute impartial control of accesses to communication media by setting executable-communication ranges of their own independently of each other in a communication environment based on a CSMA method, the present invention provides a radio communication system in which each communication station is capable of checking the occupation state of communication media and setting such an executable-communication range of its own in accordance with the occupation state of the communication media that the number of communication stations coexisting in the executable-communication range is brought to a value within a predetermined range. For example, a specific communication station sets an executable-communication range of its own in order to limit the number of other communication stations capable of communicating with the specific communication station. In addition, a communication station sets an executable-transmission range suitable for an executable-reception range set by itself in order to reduce the degree of non-uniformity of the access control and to minimize the impact of interferences on other communication stations.

REFERENCES:
patent: 6882851 (2005-04-01), Sugar et al.
patent: 2002/0172186 (2002-11-01), Larsson

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