Master station in communications system and access control...

Details Master station in communications system and access control... Master station in communications system and access control...

2004-08-05

2008-03-18

Pham, Chi (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S329000, C370S445000, C455S450000, C455S452100

Reexamination Certificate

active

07346021

ABSTRACT:
A communication band is divided into: a beacon period in which every master station transmits a beacon packet in competition with one another; a guaranteed-band period (e.g., a TDMA period or an FDMA period) in which only a specific permitted station is allowed access; and a CSMA period in which every station is allowed access in competition with one another. Plural master stations exchange information of a communication band used in the guaranteed-band period with each other, and based on the respective information, a communication band available to the master station's own communications system in the guaranteed-band period is calculated.

REFERENCES:
patent: 5754799 (1998-05-01), Hiles
patent: 6788656 (2004-09-01), Smolentzov et al.
patent: 2003/0128684 (2003-07-01), Hirsch et al.
patent: 2002-198834 (2002-07-01), None
patent: 2003-37556 (2003-02-01), None

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