Asynchronous Channel-Hopping Sequences With the Best Maximum-Time-to-Rendezvous and Period for Cognitive-Radio Wireless Networks

被引：6

作者：

Zhang, Wei-Zhe ^{[1
,2
]}

Yang, Guu-Chang ^{[1
,2
]}

Yang, Li-Hsin ^{[1
,2
]}

Kwong, Wing C. ^{[3
]}

机构：

[1] Natl Chung Hsing Univ, Dept Elect Engn, Taichung 40227, Taiwan

[2] Natl Chung Hsing Univ, Grad Inst Commun Engn, Taichung 40227, Taiwan

[3] Hofstra Univ, Dept Engn, Hempstead, NY 11549 USA

来源：

IEEE COMMUNICATIONS LETTERS | 2021年 / 25卷 / 08期

关键词：

Throughput; Sensors; Wireless networks; Indexes; Heuristic algorithms; Delays; Cognitive radio; Channel hopping sequences; cognitive radio; wireless communications;

D O I：

10.1109/LCOMM.2021.3076394

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

A new family of asynchronous channel-hopping (CH) sequences for cognitive-radio wireless networks (CRWNs) is constructed by a novel 2-D method. The new construction applies two different algorithms to create the columns and rows of a base matrix, which is mapped row-by-row to form the 1-D CH sequences. In addition to full degree-of-rendezvous, the new CH sequences have the shortest period and maximum-time-to-rendezvous and allow more flexible choices of period and number of licensed channels than their counterparts. While short period saves memory in small sensors and mobile devices, the new construction is shown to support the largest throughput with the fewest licensed channels (i.e., spectral resources) in practical CRWNs.

引用

页码：2472 / 2476

页数：5

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