Managing wireless communication with limited channels

Details Managing wireless communication with limited channels Managing wireless communication with limited channels

2011-07-05

2011-07-05

Desir, Pierre-Louis (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S336000, C370S254000, C370S437000, C370S522000, C370S348000, C455S452100

Reexamination Certificate

active

07974238

ABSTRACT:
Communications between a central station and plural nodes is managed at the central station. The central station has an answer channel, a number of data channels, and a data channel manager. A node transmits a channel request, which is received by the answer channel. The answer channel queries the data channel manager, which determines if a data channel is available. If so, then the answer channel passes the node's request to the open data channel, which then communicates with the node. The answer channel is freed to handle channel requests from other nodes. The node is unaware of the passing off as the node does not change the address for the central station. A data channel is freed to communicate with other nodes by either receiving a disconnect message from the node or by timing out the connection.

REFERENCES:
patent: 5521925 (1996-05-01), Merakos et al.
patent: 5790551 (1998-08-01), Chan
patent: 5926469 (1999-07-01), Norstedt et al.
patent: 2006/0256737 (2006-11-01), Choi et al.
International Search Report, PCT/US06/42271, dated Jul. 25, 2007.

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