Method and system for data collision avoidance in a wireless...

Details Method and system for data collision avoidance in a wireless... Method and system for data collision avoidance in a wireless...

2006-02-21

2006-02-21

Pham, Chi (Department: 2667)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S407000

Reexamination Certificate

active

07002947

ABSTRACT:
A method of transmitting data over a single-channel wireless network having a plurality of nodes is disclosed. According to the method, a first link is established between two of the nodes and data is transmitted therebetween. A break in transmission between the two nodes is listened for, and a first predetermined time interval is waited if a break in transmission between two nodes occurs. A second predetermined time interval is established if the first predetermined time interval lapses with no detected transmission over the channel. The second predetermined time interval is divided into a plurality of slots, and each node randomly selects one of the slots. One of the nodes establishes a second link if that node has selected a slot earlier in time than slots selected by the remainder of the nodes.

REFERENCES:
patent: 4506360 (1985-03-01), Kryskow et al.
patent: 4665518 (1987-05-01), Champlin et al.
patent: 5621895 (1997-04-01), Weis et al.
Co-pending patent application Docket No. 02CR026/KE entitled “Resume Message Protocol For A Wireless Communications System” filed on an even date, inventor R. McFarland et al.

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