Research on Joint Link Sharing and Power Allocation Algorithm for Device-to-Device Communications

TIAN Chun-sheng; QIAN Zhi-hong; YAN Shuang-ye; FU Yu

doi:10.3969/j.issn.0372-2112.2019.04.001

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Research on Joint Link Sharing and Power Allocation Algorithm for Device-to-Device Communications

更新时间：2025-07-16

- Research on Joint Link Sharing and Power Allocation Algorithm for Device-to-Device Communications
- Acta Electronica Sinica Vol. 47, Issue 4, Pages: 769-774(2019)
- 作者机构：
  
  吉林大学通信工程学院,吉林,长春,130012
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61771219);Basic Research Program of Jilin University (No.SXGJQY2017-9, No.2017TD-19);Postgraduate Innovation Fund of Jilin University (No.101832018C022)
- DOI：10.3969/j.issn.0372-2112.2019.04.001
  CLC： TN929.5
- Published Online：25 April 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
TIAN Chun-sheng, QIAN Zhi-hong, YAN Shuang-ye, et al. Research on Joint Link Sharing and Power Allocation Algorithm for Device-to-Device Communications[J]. Acta Electronica Sinica, 2019, 47(4): 769-774.
DOI：

TIAN Chun-sheng, QIAN Zhi-hong, YAN Shuang-ye, et al. Research on Joint Link Sharing and Power Allocation Algorithm for Device-to-Device Communications[J]. Acta Electronica Sinica, 2019, 47(4): 769-774. DOI： 10.3969/j.issn.0372-2112.2019.04.001.

摘要

针对D2D （Device-to-Device，D2D）通信过程中的资源分配问题，提出一种联合链路共享和功率分配算法.在保证系统内蜂窝用户服务质量（Quality of Service，QoS）需求的前提下，利用系统的信道状态信息，为D2D用户生成一个由蜂窝用户组成的通信链路的候选集合；在通信链路候选集合内使用凸优化方法得到D2D用户最优功率分配策略；最后利用（Kuhn-Munkres，KM）算法求解最大加权二部图匹配（Maximum Weight Bipartite Matching，MWBM）问题，为D2D用户选择最优的蜂窝用户进行资源共享.仿真结果表明该算法能有效的提升通信网络的吞吐量，可以为D2D用户选择最优的资源分配策略.

Abstract

Considering resource allocation in Device-to-Device (D2D) communications

a joint link sharing and power allocation algorithm is proposed.On the premise of guaranteeing the Quality of Service (QoS) requirements of cellular users in the system

a candidate set of communication links composed of cellular users is generated for the D2D users by using the channel state information of the system.The optimal power allocation strategy for D2D users is obtained by using the convex optimization method in the candidate set of communication links.Finally

the Kuhn-Munkres (KM) algorithm is used to solve the maximum weight bipartite matching (MWBM) problem to find an optimal cellular user partner for each D2D pair to share the resources.Simulation results show that the proposed algorithm can significantly improve the throughput of the communication system and can select the optimal resource allocation strategy for D2D users.

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