Faster-Than-Nyquist Signaling for MIMO Communications

被引：10
|
作者：
Zhang, Zichao [1 ]
Yuksel, Melda [2 ]
Yanikomeroglu, Halim [1 ]
机构：
[1] Carleton Univ, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada
[2] Middle East Tech Univ, Dept Elect & Elect Engn, TR-06800 Ankara, Turkiye
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2023年 / 22卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Capacity; faster-than-Nyquist (FTN); multiple-input multiple-output (MIMO); CAPACITY; TRANSMISSION;
D O I：
10.1109/TWC.2022.3211327
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：
Faster-than-Nyquist (FTN) signaling is a non-orthogonal transmission technique, which has the potential to provide significant spectral efficiency improvement. This paper studies the capacity of FTN signaling for both frequency flat and for frequency selective (FS) multiple-input multiple-output (MIMO) channels. As FTN is another reason of frequency selectivity, we find that precoding in time (or equivalently spectrum shaping in frequency) and waterfilling in spatial domain is capacity achieving for frequency flat MIMO channels with FTN. Meanwhile, waterfilling in both spatial domain and spectrum domain, followed by spectrum shaping, is capacity achieving for FS MIMO channels with FTN.
引用
收藏
页码：2379 / 2392
页数：14
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