Movable Antenna Enhanced NOMA Short-Packet Transmission

被引：1
|
作者：
He, Xinyuan [1 ]
Chen, Wen [1 ]
Wu, Qingqing [1 ]
Zhu, Xusheng [1 ]
Cheng, Nan [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai 200240, Peoples R China
[2] Xidian Univ, Sch Telecommun Engn, Xian 710071, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2024年 / 28卷 / 09期
关键词：
NOMA; Optimization; Decoding; Error probability; Throughput; Signal to noise ratio; Reliability; Movable antenna (MA); non-orthogonal multiple access (NOMA); short-packet communication;
D O I：
10.1109/LCOMM.2024.3440014
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focus on maximizing the effective throughput for a core user while ensuring reliable communication for an edge user by optimizing the MAs' coordinates and the power and rate allocations from the access point (AP). The optimization challenge is approached by decomposing it into two subproblems, utilizing successive convex approximation (SCA) to handle the highly nested non-concave nature of channel gains. Numerical results confirm that the proposed solution offers substantial improvements in effective throughput compared to NOMA short-packet communication with fixed position antennas (FPAs).
引用
收藏
页码：2196 / 2200
页数：5
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