一种新颖的 OTFS 塔布搜索探测器

IF 4.6 3区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Wireless Communications Letters Pub Date : 2024-10-23 DOI:10.1109/LWC.2024.3485068

Lang Yang;Xin Bian;Mingqi Li

{"title":"一种新颖的 OTFS 塔布搜索探测器","authors":"Lang Yang;Xin Bian;Mingqi Li","doi":"10.1109/LWC.2024.3485068","DOIUrl":null,"url":null,"abstract":"Orthogonal Time Frequency Space (OTFS) has demonstrated to be a promising technique in high-mobility scenarios. However, designing a low-complexity OTFS equalizer that achieves full diversity in transmission scenarios with short frame remains challenging. In this letter, we first develop an efficient Reduced Neighborhood Reactive Tabu Search (RN-RTS) detector for OTFS by leveraging the circulant property of the channel matrix block and deriving the recursive expressions for certain RN-RTS components. Moreover, the maximal ratio combining (MRC) method is utilized to optimize the initial solution, thus further enhancing its performance. Simulation results reveal that the proposed algorithm achieves a good tradeoff between the performance and the complexity.","PeriodicalId":13343,"journal":{"name":"IEEE Wireless Communications Letters","volume":"13 12","pages":"3653-3657"},"PeriodicalIF":4.6000,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Novel Tabu Search Detector for OTFS\",\"authors\":\"Lang Yang;Xin Bian;Mingqi Li\",\"doi\":\"10.1109/LWC.2024.3485068\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Orthogonal Time Frequency Space (OTFS) has demonstrated to be a promising technique in high-mobility scenarios. However, designing a low-complexity OTFS equalizer that achieves full diversity in transmission scenarios with short frame remains challenging. In this letter, we first develop an efficient Reduced Neighborhood Reactive Tabu Search (RN-RTS) detector for OTFS by leveraging the circulant property of the channel matrix block and deriving the recursive expressions for certain RN-RTS components. Moreover, the maximal ratio combining (MRC) method is utilized to optimize the initial solution, thus further enhancing its performance. Simulation results reveal that the proposed algorithm achieves a good tradeoff between the performance and the complexity.\",\"PeriodicalId\":13343,\"journal\":{\"name\":\"IEEE Wireless Communications Letters\",\"volume\":\"13 12\",\"pages\":\"3653-3657\"},\"PeriodicalIF\":4.6000,\"publicationDate\":\"2024-10-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Wireless Communications Letters\",\"FirstCategoryId\":\"94\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10729854/\",\"RegionNum\":3,\"RegionCategory\":\"计算机科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"COMPUTER SCIENCE, INFORMATION SYSTEMS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Wireless Communications Letters","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10729854/","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"COMPUTER SCIENCE, INFORMATION SYSTEMS","Score":null,"Total":0}

引用次数: 0

摘要

正交时频空间（OTFS）已被证明是一种很有前途的高迁移场景技术。然而，设计一个低复杂度的OTFS均衡器，在短帧的传输场景中实现完全的分集仍然是一个挑战。在本文中，我们首先通过利用信道矩阵块的循环特性和推导某些RN-RTS组件的递归表达式，为OTFS开发了一个高效的减少邻域反应性禁忌搜索（RN-RTS）检测器。利用最大比值组合（MRC）方法对初始解进行优化，进一步提高了算法的性能。仿真结果表明，该算法在性能和复杂度之间取得了很好的平衡。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

A Novel Tabu Search Detector for OTFS

Orthogonal Time Frequency Space (OTFS) has demonstrated to be a promising technique in high-mobility scenarios. However, designing a low-complexity OTFS equalizer that achieves full diversity in transmission scenarios with short frame remains challenging. In this letter, we first develop an efficient Reduced Neighborhood Reactive Tabu Search (RN-RTS) detector for OTFS by leveraging the circulant property of the channel matrix block and deriving the recursive expressions for certain RN-RTS components. Moreover, the maximal ratio combining (MRC) method is utilized to optimize the initial solution, thus further enhancing its performance. Simulation results reveal that the proposed algorithm achieves a good tradeoff between the performance and the complexity.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

IEEE Wireless Communications Letters Engineering-Electrical and Electronic Engineering

CiteScore

12.30

自引率

6.30%

发文量

481

期刊介绍： IEEE Wireless Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of wireless communications. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of wireless communication systems.