Evaluation method for transmission performance of vehicle self-organizing network data

A self-organizing network and data transmission technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as insufficient research on network performance

Active Publication Date: 2017-01-11
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the testing of DSRC equipment at home and abroad mainly focuses on physical layer testing and protocol conformance testing, etc., and the resea...

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  • Evaluation method for transmission performance of vehicle self-organizing network data
  • Evaluation method for transmission performance of vehicle self-organizing network data
  • Evaluation method for transmission performance of vehicle self-organizing network data

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Embodiment Construction

[0011] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0012] A vehicle ad hoc network data transmission performance evaluation method of the present invention comprises the following steps:

[0013] Step 1: Test method design

[0014] A. Test environment design:

[0015] The evaluation method of the present invention needs to design a unified real vehicle ad hoc network communication environment, so that it can take into account the complexity of the vehicle ad hoc network in the actual data transmission environment, such as self-organization, multi-hop, no center and other characteristics, In the test scenario of vehicle environment application, a communication node loaded with DSRC needs to meet the following functions:

[0016] 1. It can broadcast and forward messages. Due to the self-organization and non-centrality of VANET, the communication nodes in it need to be able to broadcast their own messa...

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Abstract

The invention discloses an evaluation method for transmission performance of vehicle self-organizing network data, comprising the steps of firstly, the method designs unified self-organizing network communication environment of real vehicles and uses the current UDP communication mechanism to design test method under the real vehicle self-organizing network environment, afterwards, designing specific data processing method and evaluation standard based on features of vehicle self-organizing network and principle of statistics, thereby to be able to consider the complexity of vehicle self-organizing network under real data transmission environment. The invention designs evaluation method for transmission performance of vehicle self-organizing network under real vehicle environment on the basis of relevant statistical method, the method can take the features of vehicle self-organizing network into account and study the relationship between data transmission performance and external environment parameter so that to provide real data support for subsequent product development and network optimization etc.

Description

technical field [0001] The invention relates to a wireless network testing technology, in particular to a wireless network performance evaluation technology for vehicle ad hoc network communication, and belongs to the field of computer technology. Background technique [0002] Intelligent transportation technology plays an increasingly important role in modern transportation and has become the development direction of the future transportation system. Efficient wireless communication technology is the basis for realizing intelligent transportation technology. Therefore, the vehicle-mounted ad hoc network technology based on DSRC should be applied The Vehicular Ad Hoc Network (VANET) is a mobile ad hoc network that can communicate between vehicles on the road (V2V) and between vehicles and roadside access points (V2I). Vehicles on the road can exchange various data such as speed, location and on-board sensors, and automatically connect into a wireless distributed network with...

Claims

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Application Information

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IPC IPC(8): H04W24/06H04L12/24H04L12/26
CPCH04L41/142H04L41/145H04L43/08H04L43/50H04W24/06
Inventor 田大新杨越王云鹏段续庭李玉洲单雄宇胡俊杰
Owner BEIHANG UNIV
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