Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2017, Vol. 40 ›› Issue (5): 92-97.doi: 10.13190/j.jbupt.2017-039

• Reports • Previous Articles     Next Articles

V2X Resource Allocation Scheme Based on D2D Communication

ZHANG Hai-bo, XIANG Yu, LIU Kai-jian, CHEN Shan-xue   

  1. Chongqing Key Laboratory of Mobile Communications Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
  • Received:2017-03-23 Online:2017-10-28 Published:2017-11-21

Abstract: Large amount of interference, due to share the cellular network resources, exists in device-to-device (D2D) based vehicular communication system with heavy load. A heuristic algorithm is proposed to maximize the total throughput of cellular-users (C-UEs) while meeting the minimum security communication requirements of vehicular-users (V-UEs) at the same time. Firstly, the vehicles without interference are divided into the same cluster by principle of graph coloring. Secondly, according to the clustering results, the improved Hungarian assignment algorithm is used to allocate the channel. Finally, the power is adjusted to maximize total throughput of C-UEs. Simulations show that the proposed algorithm can effectively solve the vehicle-to-everything (V2X) co-layer and cross-layer interference problem, and improve the spectrum utilization so as to ensure the reliability of V-UEs communication.

Key words: vehicle-to-everything, device-to-device, resource allocation, graph coloring, assignment algorithm

CLC Number: