Multiplex communications – Channel assignment techniques – Carrier sense multiple access
Reexamination Certificate
2006-10-17
2006-10-17
Nguyen, Steven (Department: 2616)
Multiplex communications
Channel assignment techniques
Carrier sense multiple access
C370S437000, C370S329000
Reexamination Certificate
active
07123624
ABSTRACT:
Systems and methods for single-point to fixed-multipoint communication. The invention dynamically allocates bandwidth based on traffic demands, thus providing efficient bandwidth utilization, particularly with bursty or time sensitive data traffic. A system includes a Base Station and a plurality of Remote Stations. The Base Station transmits information to the Remote Stations via a Forward Channel and the Remote Stations transmit information via a Reverse Channel. Before transmitting on the Reverse Channel, each of the Remote Stations listens (monitors) the Reverse Channel to ascertain whether any other Remote Station is transmitting. Remote Stations transmit data only when a Remote Station determines that the channel is clear. The Remote Stations listen in sequential order, eliminating the probability of collisions caused by simultaneous transmissions from Remote Stations. The data traffic is accordingly aggregated, thus providing efficient bandwidth utilization.
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Cape Range Wireless, Ltd.
Coddington Trevor
Nguyen Steven
Paul, Hastings LLP
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