A realization method of mac protocol in vehicle network based on q-learning

An implementation method and vehicle network technology, applied in the field of vehicle network MAC protocol, can solve the problems such as the lack of scalability of traffic flow, the lack of effective improvement of channel access fairness, and the collision, and achieve the packet reception rate and end-to-end Improvement of transmission delay problem, improvement of packet reception rate and packet transmission delay, and the effect of improving fairness
CN105306176BActive Publication Date: 2019-08-09NANJING NANYOU INST OF INFORMATION TECHNOVATION CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING NANYOU INST OF INFORMATION TECHNOVATION CO LTD
Publication Date
2019-08-09

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Abstract

The invention discloses a method for realizing the MAC protocol of a vehicular network based on Q learning. In the method, the vehicle nodes use the Q learning algorithm to continuously learn interactively with the environment through repeated trial and error in the VANETs (vehicle ad hoc network) environment. According to the VANETs environment The given feedback signal (reward value) dynamically adjusts the competition window (CW), so that the node can always access the channel with the best CW (that is, the CW value selected when the reward value obtained from the surrounding environment is the largest), Ultimately, the goal of reducing data frame collision rate and transmission delay and improving the fairness of nodes accessing channels is achieved.
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Description

technical field

[0001] The invention relates to an implementation method of a vehicle-mounted network MAC protocol based on Q learning in a vehicle-mounted self-organizing network communication protocol, and belongs to the technical field of the Internet of Things. Background technique

[0002] In recent years, with the rapid development of the transportation industry, the number of cars has increased dramatically. While the wide range of automobiles brings convenience to people's daily travel, various problems such as safety and traffic congestion have also occurred. In the 1980s, the University of California first proposed the concept of Intelligent Transportation System (ITS) to improve transportation efficiency, alleviate traffic congestion, and reduce traffic accidents. Today, with the rapid development of intelligent transportation systems and wireless communication technologies, the Internet of Vehicles has emerged as the times require. It is another symbol of future...

Claims

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