Vehicle-mounted ad-hoc network asynchronous multichannel MAC (media access control) access method based on time division multiplexing
A vehicle-mounted ad hoc network and time-division multiplexing technology, applied in the field of vehicle-mounted self-organizing networks, can solve problems such as control channel bottlenecks and low channel utilization, reduce the probability of collision, reduce the possibility of service packet collision, and improve network throughput. effect on volume and latency performance
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[0014] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0015] In order to avoid the service channel idle problem caused by strict periodic synchronization in the IEEE1609.4 standard, the present invention proposes the following solution: nodes that do not need to send and receive service information continuously monitor the control channel to obtain security information and channel coordination information; when the node wants to send When serving information, send channel reservation information. After the channel is successfully reserved, it will immediately transfer to the corresponding service channel to send the service package. After sending, it will immediately return to the control channel to continue monitoring. Unlike the IEEE1609.4 standard, it is not necessary for all nodes to swi...
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