Spatial reuse of bandwidth on a ring network

Details Spatial reuse of bandwidth on a ring network Spatial reuse of bandwidth on a ring network

1993-09-20

1996-05-14

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

359119, 370124, H04J 100

Patent

active

055174981

ABSTRACT:
The invention provides a method and apparatus by which the usage of an existing ring network is extended by implementing spatial reuse of the network bandwidth. By spatial reuse we mean that specific portions of the ring network may reuse the same bandwidth. Essentially, the invention is based on the realization that each station rarely needs to communicate with all the other stations that share its ring. Under normal conditions, a station requires the ability to send messages only to a subgroup of the total number of stations. If the ring network is thought of as a circle and if the communicating stations are contiguous, then these stations occupy only an arc on the circle. Outside this arc, the bandwidth assigned to these stations is not in use. Accordingly, the bandwidth can be reassigned to stations which form other, non-overlapping arcs.

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