Data transmission method of routing protocol for vehicular ad hoc network based on receiving end

A data transmission method and a vehicle-mounted ad hoc network technology are applied in the data transmission field of the vehicle-mounted ad hoc network routing protocol, and can solve the problems of high probability of signal failure, low routing efficiency, and large delay.

Active Publication Date: 2020-09-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of low routing efficiency, large time delay, and high probability of signal failure in the existing VANET routing protocol, and propose a data transmission method based on the VANET routing protocol at the receiving end

Method used

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  • Data transmission method of routing protocol for vehicular ad hoc network based on receiving end
  • Data transmission method of routing protocol for vehicular ad hoc network based on receiving end
  • Data transmission method of routing protocol for vehicular ad hoc network based on receiving end

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specific Embodiment approach 1

[0045] The data transmission method based on the VAN routing protocol of the receiving end in this embodiment is based on the data transmission method of the VAN routing protocol at the receiving end. The routing protocol takes the receiving end as the core; under the routing protocol, using cognitive Radio technology uses spectrum sensing to enable nodes within the coverage of the primary user to have the opportunity to transmit the data packets to be transmitted in the network to the target node through a single or multiple hops through the channel in the idle state. The method is realized through the following steps:

[0046] Step 1. Establish a VANET motion network model; the vehicle nodes in the VANET motion network model are all equipped with wireless communication equipment, and they exist in a hybrid network structure, so each vehicle is both As a data node, it is also a routing node for other nodes;

[0047] Step 2, the receiving node i receives the broadcast preambl...

specific Embodiment approach 2

[0062] The difference from Embodiment 1 is that in the data transmission method based on the routing protocol of the VAN at the receiving end in this embodiment, during the receiving node i described in step 4 receiving the preamble information sent by the sending end, the receiving node i adopts The preamble information is listened to in the way of low-power interception.

specific Embodiment approach 3

[0064] The difference from Embodiment 1 or Embodiment 2 is that in this embodiment, the data transmission method based on the routing protocol of the VAN at the receiving end adopts the routing protocol of the receiving end feedback time, that is, Class A routing, for the transmission of delay-sensitive data packets. protocol.

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Abstract

A data transmission method based on a vehicular self-organizing network routing protocol of a receiving end belongs to the technical field of data transmission of cognitive vehicular self-organizing network routing protocols. The existing vehicular self-organizing network routing protocol has the problems of low routing efficiency, large delay and large signal failure probability. A data transmission method based on a vehicular self-organizing network routing protocol of a receiving end comprises the following steps: establishing a simple vehicular self-organizing network motion network model;taking the receiving end as the core; and making the nodes in the coverage of the primary user have the opportunity to transmit the data packets to be transmitted in the network to a target node by asingle hop or a plurality of hops through an idle channel under the routing protocol by using cognitive radio technology and using spectrum sensing means. The data transmission method greatly improves high time delay of the traditional routing protocol and improves the reliability.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a data transmission method based on the routing protocol of the vehicle ad hoc network at the receiving end. Background technique [0002] With the continuous increase in the number of cars, there will be more congested traffic environment and the danger of frequent accidents. At the same time, with the continuous reminder of communication technology, 5G is coming soon, and people's acquisition of information has reached an unprecedented huge amount. Because of this, VANET emerged as the times require, and continued to grow and develop. But the research on the routing protocol of VANET is insufficient. Contents of the invention [0003] The purpose of the present invention is to solve the problems of low routing efficiency, large time delay and high probability of signal failure in the existing VAN routing protocol, and propose a data transmission method based on the VAN routing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/00H04W40/10H04W40/22H04W40/24H04W84/18
CPCH04W40/005H04W40/10H04W40/22H04W40/248H04W84/18
Inventor 吴芝路胡翰智杨柱天尹振东刘金龙
Owner HARBIN INST OF TECH
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