OFDM Relay Cognitive Radio Multiple Antennas Resource Allocation Full Duplex Spectrum Sensing Synchronization Spectrum Sharing Interference Cancellation Channel Estimation Feedback Heterogeneous Networks Energy Harvesting Stochastic Geometry Bi-directional Equalization relay networks FBMC HetNet CDMA channel capacity SC-FDMA interference MIMO Ultra Low Power Duplex TVWS CLI in-band full-duplex system D-TDD interference suppression Reliability 5G C-V2V indoor positioning reinforcement learning RSRP weighting User grouping Rat-dependent positioning Communication range multi-access edge computing hybrid - Computation offloading —Device-to-device (D2D) estimated position updating control overhead resource block management estimated position overlapping Femtocell NR positioning frame structure Zigbee body area networks channel estimation error Handoff CoMP packet delay power uncertainty ultra-dense small cell network GFDM antenna arrays 5G mobile communication UFMC WVAN mode selection inter user interference health care Vehicular communication cross-link interference resource selection FS-NOMA Dynamic TDD Number of training blocks Mode 3 Uplink SCMA system Multi-user Receiver LTE-TDD user fairness smart factory V2X Metaheuristics Location-based QR Factorization partial overlap P-NOMA dynamic HetNet spectrum partitioning Cell-free and 5G networks. overloading massive connectivity DQN mMIMO distributed mode non-orthogonal multiple access OTDOA maximum likelihood method Resource sharing Power allocation non-orthogonal multiple access (NOMA)
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

List of Articles
No.
Status Datesort
4 [ICEIC] Hanwoong Kim, Hyunsoo Kim, and Daesik Hong, "Performance of 5G Multiple Access Schemes" ICEIC 2022 Presented  2022-01 
3 [ITC-CSCC] Taehyung Kim, Insik Jung, Jehyun Heo, Sooyong Choi, and Daesik Hong, "Carrier Frequency Offset Compensation for OFDM-based Uplink SCMA System," ITC-CSCC 2017 file Presented  2017-07 
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