Latency-Constrained Content Dissemination Scheme in Vehicular Networks

doi:10.13190/j.jbupt.2017.03.012

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2017, Vol. 40 ›› Issue (3): 85-90.doi: 10.13190/j.jbupt.2017.03.012

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Latency-Constrained Content Dissemination Scheme in Vehicular Networks

HOU Rong-hui, GUO Su-xia

Institute of Communication Engineering, Xidian University, Xi'an 710071, China

Received:2017-01-13 Online:2017-06-28 Published:2017-06-28

Abstract

Abstract: A scheduling algorithm for the latency-constrained content dissemination in vehicular networks with dense deployment of Roadside Units was proposed based on Lyapunov optimization, which uses the explicit delay information from the head-of-line packet at each vehicle to stabilize the network. By proper scheduling and dropping packet, the network throughput is maximized while ensuring the delay requirement. Simulations show that the proposed algorithm can guarantee the demand of delay and improve the system throughput compared with the earliest expiration priority algorithm.

Key words: latency-constrained, scheduling, vehicular network, Lyapunov optimization

CLC Number:

TN929.5

HOU Rong-hui, GUO Su-xia. Latency-Constrained Content Dissemination Scheme in Vehicular Networks[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2017, 40(3): 85-90.

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Latency-Constrained Content Dissemination Scheme in Vehicular Networks

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