Virtual MIMO Beamforming and Device Pairing Enabled by Device-to-Device Communications for Multidevice Networks

被引：0
|
作者：
Jeong, Yeonjin [1 ]
Yoon, Jooheum [1 ]
Lee, Sang Hyun [2 ]
Kim, Yun Hee [1 ]
机构：
[1] Kyung Hee Univ, Dept Elect & Radio Engn, Yongin 17104, Gyeonggi Do, South Korea
[2] Korea Univ, Sch Elect Engn, Seoul 02841, South Korea
来源：
MOBILE INFORMATION SYSTEMS | 2017年 / 2017卷
基金：
新加坡国家研究基金会;
关键词：
ALGORITHMS; PRODUCT;
D O I：
10.1155/2017/7652902
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider a multidevice network with asymmetric antenna configurations which supports not only communications between an access point and devices but also device-to-device (D2D) communications for the Internet of things. For the network, we propose the transmit and receive beamforming with the channel state information (CSI) for virtualmultiple-inputmultiple-output (MIMO) enabled by D2D receive cooperation. We analyze the sum rate achieved by a device pair in the proposed method and identify the strategies to improve the sum rate of the device pair. We next present a distributed algorithm and its equivalent algorithm for device pairing to maximize the throughput of the multidevice network. Simulation results confirm the advantages of the transmit CSI and D2D cooperation as well as the validity of the distributive algorithm.
引用
收藏
页数：10
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