Abstract
The spread spectrum technique, the collision avoidance multiple access protocols and the controlled time of arrival scheme are combined to form a new set of medium access protocols for wireless networks. The Request-to-Send and Clear-to-Send message dialogue helps a transmitter detect whether an intended receiver is busy and whether any collision has occurred; thus speeding up the retransmission. The spreading code assignment avoids the disruption of any ongoing transmission by an intruder. Finally, the packets are sent under controlled time of arrival to further increase the channel throughput. Simulation results confirm that a higher channel throughput is achieved by the new protocols even in a dense network.
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Joa-Ng, M. Spread Spectrum Medium Access Protocol with Collision Avoidance Using Controlled Time of Arrival. Telecommunication Systems 18, 169–191 (2001). https://doi.org/10.1023/A:1016799721296
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DOI: https://doi.org/10.1023/A:1016799721296