Multi-channel channel-access schemes for distributed direct-sequence networks

A multichannel reservation-based channel-access protocol is investigated in this paper. Under this protocol, one channel is used to ea:change reservation messages and the remaining channels are used for information-bearing traffic. The performance of this scheme is compared to that of a single-channel reservation-based protocol. A simple contention-based slotted-Aloha protocol is also considered. Performance results take into account the effects of distributed multiple-access interference on acquisition and packet errors. Results show that the reservation-based approach is advantageous under conditions of high traffic.