A tdma-based adaptive time slot allocation method for vehicular ad hoc networks
A technology of vehicular ad hoc network and time slot allocation, which is applied in network planning, communication between multiple stations, electrical components, etc., and can solve problems such as low channel utilization, inability to access the network, and increased delay. Achieve high channel utilization, fewer conflicting nodes, and low latency
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[0035] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0036] In order to increase the node access delay and reduce node conflicts, the present invention divides the time slot into left and right time slot sets, and divides the nodes into left and right node sets according to their moving directions, and the nodes in the left / right node set correspondingly select the left and right node sets. The time slot competition in the right time slot set, and then the node determines the "unique" competition time slot according to its own geographical location, so as to reduce the time delay of node access channel and the probability of node collision. In the present invention, each node can use different frame lengths, and each active node only uses a time slot in its corresponding time frame, and the length of the time frame is expanded and contracted with a power of 2, and the left and right time slots ...
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