Master station of communication system and access control...

Details Master station of communication system and access control... Master station of communication system and access control...

2008-01-01

2008-01-01

Pham, Chi (Department: 2616)

Multiplex communications

Communication over free space

Repeater

C370S329000, C370S445000, C455S450000, C455S452100

Reexamination Certificate

active

07315524

ABSTRACT:
A communication bandwidth is divided into a beacon period in which all master stations compete for transmission of a beacon packet, a first carrier sense multiple access (CSMA) period in which only authorized specific stations are allowed to compete for access, and a second CSMA period in which all stations are allowed to compete for access. The master stations exchange information with each other about a communication bandwidth being used in the first CSMA period, thereby calculating a communication bandwidth which can be used by each communication system in the first CSMA period, based on the information.

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: 2001-53745 (2001-02-01), None
patent: 2002-198834 (2002-07-01), None
patent: 2003-37556 (2003-02-01), None
patent: 02/13442 (2002-02-01), None
patent: 03/047176 (2003-06-01), None

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