Adaptive Multiuser Transmission Using Millimeter Wave Beam Alignment With User Selection

被引：2
|
作者：
Song, Jiho [1 ]
Lee, Byungju [2 ]
Noh, Song [3 ]
Lee, Jong-Ho [4 ]
机构：
[1] Univ Ulsan, Sch Elect Engn, Ulsan 44610, South Korea
[2] Samsung Elect, Samsung Res, Seoul 06765, South Korea
[3] Incheon Natl Univ, Sch Elect Engn, Incheon 22012, South Korea
[4] Soongsil Univ, Sch Elect Engn, Seoul 06978, South Korea
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2020年 / 69卷 / 08期
基金：
新加坡国家研究基金会;
关键词：
Optimized production technology; Signal to noise ratio; Antenna arrays; Directive antennas; Transmitting antennas; Array signal processing; Millimeter wave technology; Millimeter wave communications; hard-decision beam alignment; adaptive channel-sounding; multiuser diversity; LIMITED FEEDBACK; DESIGN;
D O I：
10.1109/TVT.2020.2998130
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We develop a channel-adapted multiuser transmission algorithm for millimeter wave (mmWave) wireless systems. We first study the impact of multiuser diversity on the beam alignment performance of mmWave systems. Assuming a multiuser framework, we derive the probability of beam misalignment as a function of the number of users. Moreover, we estimate the achievable sum-rate of multiuser systems relying upon beam alignment. We develop an adaptive transmission algorithm that changes the number of scheduled users according to channel conditions. Simulation results verify that the proposed algorithm provides better sum-rate performances than previous systems.
引用
收藏
页码：9140 / 9145
页数：6
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