Hungarian Method Based Joint Transmission Mode and Relay Selection in Device-to-Device Communication

2015 8th IFIP Wireless and Mobile Networking Conference (WMNC) Pub Date : 2015-10-01 DOI:10.1109/WMNC.2015.33

R. Chithra, R. Bestak, S. K. Patra

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引用次数: 10

Abstract

The concept of Device-to-Device (D2D) communication has been introduced for local area connectivity as a means to improve the cellular spectrum utilization and to reduce the energy consumption of user equipments. The performance of D2D communication is practically limited due to large distance and/or poor channel conditions between the D2D transmitter and receiver. To overcome these issues, a relay-assisted D2D communication has been introduced where a device relaying is an additional transmission mode along with the existing cellular and D2D transmission modes. In this paper, a transmission mode assignment algorithm based on the Hungarian algorithm is proposed to improve the overall system throughput. The proposed algorithm tries to solve two problems: a suitable transmission mode selection for each scheduled transmissions and a device selection for relaying communication between user equipments in the relay transmission mode. Simulation results show that our proposed algorithm could improve the system performance in terms of the overall system throughput and D2D data rate.

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基于匈牙利方法的设备间通信联合传输模式和中继选择

设备对设备(D2D)通信的概念被引入到局域网连接中，作为提高蜂窝频谱利用率和降低用户设备能耗的一种手段。由于D2D发射机和接收机之间的距离大和/或信道条件差，D2D通信的性能实际上受到限制。为了克服这些问题，已经引入了中继辅助D2D通信，其中设备中继是与现有蜂窝和D2D传输模式一起的附加传输模式。本文提出了一种基于匈牙利算法的传输模式分配算法，以提高系统的整体吞吐量。该算法试图解决两个问题:为每个调度传输选择合适的传输模式和在中继传输模式下用户设备之间中继通信的设备选择。仿真结果表明，本文提出的算法可以提高系统的整体吞吐量和D2D数据速率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 8th IFIP Wireless and Mobile Networking Conference (WMNC)

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