An approach to the second-order statistics of maximum-ratio combining-like reception over independent Nakagami channels

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Title:	An approach to the second-order statistics of maximum-ratio combining-like reception over independent Nakagami channels
Authors:	林嘉慶;Lin, Jia-Chin
Contributors:	資訊電機學院通訊工程學系
Keywords:	Applied sciences;Average fade duration (AFD);diversity combining;Diversity reception;Exact sciences and technology;Fading;level-crossing rate (LCR);Multiaccess communication;Nakagami distribution;Nakagami-fading channel;Probability density function;Reactive power;Spread spectrum communication;Systems, networks and services of telecommunications;Telecommunications;Telecommunications and information theory;Transmission and modulation (techniques and equipments)
Date:	2012-02-01
Issue Date:	2026-04-23 12:56:40 (UTC+8)
Publisher:	Institute of Electrical and Electronics Engineers Inc.;New York, NY: IEEE
Abstract:	摘要： A statistical approach facilitating performance assessment in maximum-ratio combining (MRC)-like reception over independent nonidentically distributed (INID) Nakagami-m fading channels was investigated. Using the proposed method, generalized simple closed-form second-order statistics, i.e., level-crossing rate (LCR) and average fade duration (AFD), can be readily formulated. These second-order statistics can be classified as generalized because multiple (i.e., not limited to two) identically or nonidentically distributed diversity branches can be incorporated. These closed formulations can be accurately applied in various practical environments where nonidentically distributed branches are presented, e.g., single-user single-input-multiple-output (SU-SIMO) applications, relay networks, and macrodiversity reception in wideband code-division multiple access (W-CDMA) communications. The analytic formulations derived in this work were comprehensively verified in computer simulations. The derived closed forms were also carefully verified by comparison with those obtained using the true MRC in the degenerate scenarios, i.e., those in which only two diversity branches exist or where identically distributed diversity branches can be assumed. The derived closed formulations of the second-order statistics were shown to be generalized, accurate, easily evaluated, and clearly insightful with respect to their physical interpretation although they are approximate to those of the true MRC. 其他題名： TVT 出版者： New York, NY: IEEE 出版日期： 2012-02-01 出處： IEEE transactions on vehicular technology, 2012-02, Vol.61 (2), p.859-865 資源來源： IEEE Xplore 版權： 2015 INIST-CNRS 識別號： ISSN: 0018-9545 識別號： EISSN: 1939-9359 識別號： DOI: 10.1109/TVT.2011.2180729 識別號： CODEN: ITVTAB
Appears in Collections:	[Department of Communication Engineering] journal & Dissertation

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