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Beomju Kim, Wonsuk Chung, Sungmook Lim, Sangwook Suh, Jonghyung Kwun, Sooyong Choi, and Daesik Hong, "Uplink NOMA with Multi-Antenna," IEEE VTC Spring 2015

[IEEE VTC]
조회 69040
Status : Presented 
Date : 2015-05 
Title : Uplink NOMA with Multi-Antenna 
Authors : Beomju Kim, Wonsuk Chung, Sungmook Lim, Sangwook Suh, Jonghyung Kwun, Sooyong Choi, and Daesik Hong 
Conference : IEEE VTC Spring 2015 
Abstract : In this paper, we propose a uplink (UL) nonorthogonal multiple access (NOMA) systems equipped with multiple antennas to enhance the sum capacity of UL. In the proposed UL NOMA system, a base station (BS) with N antennas can support 2N users by sharing the space resource. However, sharing the space resource leads to interference between users. Therefore, to mitigate the interference and improve the sum capacity, we additionally propose a set selection algorithm and power control scheme. The set selection algorithm, which selects 2N users based on orthogonality and gain-difference between their channels, reduces the interference between users. Furthermore, the power control scheme can maximize the sum capacity with ensuring minimum target rate. Numerical results show that the proposed system improves the sum capacity over that of the conventional orthogonal multiple access (OMA) system. 
URL : http://ieeexplore.ieee.org/xpl/articleDe...Search_All 
Download : http://mirinae.yonsei.ac.kr/?module=file...le_srl=343 

Beomju Kim; Wonsuk Chung; Sungmook Lim; Sangwook Suh; Jonghyung Kwun; Sooyong Choi; Daesik Hong, "Uplink NOMA with Multi-Antenna," Vehicular Technology Conference (VTC Spring), 2015 IEEE 81st , vol., no., pp.1,5, 11-14 May 2015
doi: 10.1109/VTCSpring.2015.7146149
keywords: {5G mobile communication;antenna arrays;antenna radiation patterns;channel capacity;interference suppression;telecommunication power management;5th generation mobile communication system;BS;UL nonorthogonal multiple access system;base station;interference mitigation;multiple antennas;power control scheme;set selection algorithm;space resource sharing;uplink NOMA system sum capacity enhancement;Antennas;Interference;Power control;Signal to noise ratio;Silicon carbide;Transmitters;Uplink},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7146149&isnumber=7145573

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2 [IEEE VTC] Kwonjong Lee, Yosub Park, Hano Wang, and Daesik Hong, "Dual Layer Small Cell On/Off Control for Ultra Dense Small Cell Networks ," IEEE VTC Spring 2017 file Presented  2017-06 
» [IEEE VTC] Beomju Kim, Wonsuk Chung, Sungmook Lim, Sangwook Suh, Jonghyung Kwun, Sooyong Choi, and Daesik Hong, "Uplink NOMA with Multi-Antenna," IEEE VTC Spring 2015 file Presented  2015-05 
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