Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications

doi:10.1016/S1005-8885(13)60064-3

中国邮电高校学报(英文) ›› 2013, Vol. 20 ›› Issue (4): 21-27.doi: 10.1016/S1005-8885(13)60064-3

Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications

刘子扬¹,彭涛²,王文博²

Key Laboratory of Universal Wireless Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2013-01-10 修回日期:2013-06-14 出版日期:2013-08-31 发布日期:2013-08-30
通讯作者: 刘子扬 E-mail:liuziyang243@gmail.com
基金资助:
This work was supported by the National Science and Technology Major Projects (2012ZX03003011, 2012ZX03003007), the National Basic Research and Development Program of China (2012CB316005), the Joint Funds of NSFC-Guangdong (U1035001).

Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications

Key Laboratory of Universal Wireless Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2013-01-10 Revised:2013-06-14 Online:2013-08-31 Published:2013-08-30
Contact: Zi-Yang LIU E-mail:liuziyang243@gmail.com
Supported by:
This work was supported by the National Science and Technology Major Projects (2012ZX03003011, 2012ZX03003007), the National Basic Research and Development Program of China (2012CB316005), the Joint Funds of NSFC-Guangdong (U1035001).

摘要/Abstract

摘要： This paper discusses about the optimal mode allocation for the heterogeneous networks, in which the network can schedule users working in the device-to-device (D2D) mode or cellular mode. The D2D user is allowed to reuse the uplink resource of cellular system and the problem is formed as a sum-capacity optimization issue with outage constraints for both cellular and D2D links. The method for the optimal user proration is proved to be divided into three cases according to the total user density: when the total user density is small, the optimal proration trends to all users utilizing one mode; when the total user density is large, the optimal proration is all of users choosing D2D mode; and when the total user density situates in the between, there is a unique optimal transmission mode proportion for the hybrid networks to maximize its sum- capacity. The simulation results demonstrate the validity of the conclusions in the analysis part.

关键词: device-to-device, mode proration, sum-capacity optimization

Abstract: This paper discusses about the optimal mode allocation for the heterogeneous networks, in which the network can schedule users working in the device-to-device (D2D) mode or cellular mode. The D2D user is allowed to reuse the uplink resource of cellular system and the problem is formed as a sum-capacity optimization issue with outage constraints for both cellular and D2D links. The method for the optimal user proration is proved to be divided into three cases according to the total user density: when the total user density is small, the optimal proration trends to all users utilizing one mode; when the total user density is large, the optimal proration is all of users choosing D2D mode; and when the total user density situates in the between, there is a unique optimal transmission mode proportion for the hybrid networks to maximize its sum- capacity. The simulation results demonstrate the validity of the conclusions in the analysis part.

Key words: device-to-device, mode proration, sum-capacity optimization

LIU Zi-yang, PENG Tao, WANG Wen-bo. Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications[J]. Acta Metallurgica Sinica(English letters), 2013, 20(4): 21-27.

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Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications

Optimal transmission mode proportion for heterogeneous networks of cellular and device-to-device communications

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