Content forwarding node selection method in vehicular ad hoc network based on service type
A vehicle-mounted ad hoc, service-type technology, applied in the field of content forwarding node selection in the vehicle-mounted ad hoc network, can solve the problems that the content cannot reach the initial content requesting vehicle smoothly, and the communication link cannot be established, so as to avoid the loss of forwarding nodes, Avoid the effect of transmission failure and network delay
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[0036] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.
[0037]The present invention provides a method for selecting a content forwarding node in a vehicle-mounted ad hoc network based on service type, such as figure 1 As shown, the overall process includes the following steps:
[0038] 1) Among the vehicles with content that received the request information, judge whether the initial request vehicle is within the communication range of itself, if yes, directly send the content data packet; if not, enter the next step.
[0039] 2) According to the type of content information requested and the bandwidth occupancy of neighboring vehicles that can be forwarded within the one-hop transmission range, calculate the bandwidth occupancy scale factor:
[0040] 2.1) Content vehicle y receives the request information at time t, obtains the requested content type according to the name of the requested content c...
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