Internet of Vehicles heterogeneous resource dynamic slicing method based on Lyapunov random optimization

Abstract

The invention provides an Internet of Vehicles heterogeneous resource dynamic slicing method based on Lyapunov random optimization. According to the Internet of Vehicles heterogeneous resource dynamicslicing method based on Lyapunov random optimization, the random optimization problem with the minimum system average vehicle communication time delay as the optimization target is constructed. By utilizing a drift and penalty algorithm in a Lyapunov random optimization method, the invention firstly provides a universal dynamic heterogeneous resource allocation scheme for differentiated service slices. Then, in combination with a Markov approximation method, the invention provides a specific spectrum bandwidth and cellular access point heterogeneous resource dynamic allocation method. On thepremise of meeting the requirements of mutual isolation and dynamic resource sharing of differentiated service slices, the average communication time delay of the time delay sensitive service is minimized, and the average achievable data rate of the instant interaction service is ensured.

Description

technical field [0001] The invention relates to the technical field of wireless access to the Internet of Vehicles, in particular to a method for dynamically slicing heterogeneous resources in the Internet of Vehicles based on Lyapunov random optimization. Background technique [0002] In the vehicle access network, a large number of differentiated vehicle communication requirements, such as large-bandwidth high-precision map download services, delay-sensitive popular content caching services, and high-speed instant interactive services, often coexist in the same cellular network middle. At the vehicle access network level, with the development of 5G mobile communication technology, the cellular network is evolving towards the coexistence of heterogeneous access methods. At the same time, the inherent problem in the wireless access network - the scarcity of spectrum bandwidth, is constantly being amplified. How to select appropriate access points and allocate sufficient sp...

AI Technical Summary

Problems solved by technology

[0005] In the existing Internet of Vehicles, the static network resource allocation method for multiple types of users is still used, and the Internet of Vehicles has the characteristics of rapid topology changes. The existing static network resource allocation method cannot well meet the communication needs of vehicles. The dynamic network wireless resource slicing method is applied to the Internet of Vehicles, which can better adapt to the rapid changes in the vehicle communication channel environment and service requirements, and meet more diverse vehicle communication needs

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