Relay Selection and Power Analysis for Two-Stage Multicast Transmission of Vehicle Safety Data Under C-V2X

XIAO Hai-lin; WU Bin; ZHANG Zhong-shan

doi:10.3969/j.issn.0372-2112.2019.11.002

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Relay Selection and Power Analysis for Two-Stage Multicast Transmission of Vehicle Safety Data Under C-V2X

更新时间：2025-07-16

- Relay Selection and Power Analysis for Two-Stage Multicast Transmission of Vehicle Safety Data Under C-V2X
- Acta Electronica Sinica Vol. 47, Issue 11, Pages: 2248-2255(2019)
- 作者机构：
  
  1. 湖北大学计算机与信息工程学院,湖北,武汉,430062
  2. 桂林电子科技大学信息与通信学院,广西,桂林,541004
  3. 北京理工大学信息与电子学院,北京,100081
  4. 湖北大学计算机与信息工程学院,湖北,武汉,430062
  5. 桂林电子科技大学信息与通信学院,广西,桂林,541004
  6. 北京理工大学信息与电子学院,北京,100081
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2019.11.002
  CLC： TN929.5
- Published Online：25 November 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
XIAO Hai-lin, WU Bin, ZHANG Zhong-shan. Relay Selection and Power Analysis for Two-Stage Multicast Transmission of Vehicle Safety Data Under C-V2X[J]. Acta Electronica Sinica, 2019, 47(11): 2248-2255.
DOI：

XIAO Hai-lin, WU Bin, ZHANG Zhong-shan. Relay Selection and Power Analysis for Two-Stage Multicast Transmission of Vehicle Safety Data Under C-V2X[J]. Acta Electronica Sinica, 2019, 47(11): 2248-2255. DOI： 10.3969/j.issn.0372-2112.2019.11.002.

摘要

车载通信业务的需求加剧了基站功率消耗，降低了其数据传输的可靠性.本文提出了一种蜂窝网络下基于两阶段组播的车载安全数据传输中继选择策略，以节约系统总功耗为前提来确定中继选择范围，计算出基站功耗最小的最优组播半径

，并选择距最优组播半径

最近的车辆作为中继.基于中继的社会属性建立基站群体和中继群体间的非对称演化博弈模型，设计了不影响安全数据传输的中继娱乐数据发送功率动态再分配的奖惩机制.仿真结果表明：当车辆数目超过临界值

min

时，本文提出的中继选择策略和奖惩机制，可在保证安全数据两阶段组播可靠性的同时，使基站功耗相比直接组播的功耗至少降低25%.

Abstract

The demand for in-vehicle communication services has increased the power consumption of base stations (BSs) and reduced the reliability of their data transmission. This paper presents a relay selection strategy for two-stage multicast transmission of vehicle security data (TSMT-VSD) under cellular networks. In this strategy

the selected relay range is first determined on the premise of saving total power consumption

and then the optimal multicast radius

with the lowest BS power consumption is calculated

followed by choosing the vehicle closest to the optimal multicast radius

as the rel

ay. Furthermore

based on the social attributes of relays

an asymmetric evolutionary game model between BS groups and relay groups is established

and a reward and punishment mechanism for dynamic redistribution of relay entertainment data transmission power without affecting secure data transmission is designed. The simulation results show that the proposed relay selection strategy and the designed reward and punishment mechanism can not only ensure the reliability of TSMT-VSD

but also save at least 25% power consumption of BS compared with the conventional one-stage multicast transmission

provided that the number of vehicles is beyond the bound

min

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