Performance evaluation of dual-hop amplify-and-forward scheme over κ - μ shadowed fading channels

被引:5
作者
Shaik, Riyaz Hussain [1 ,2 ]
Naidu, Rama K. [1 ]
机构
[1] Jawaharlal Nehru Tech Univ Ananthapur, Dept Elect & Commun Engn, Anantapur 515002, Andhra Pradesh, India
[2] Rajiv Gandhi Univ Knowledge Technol Nuzvid, Dept Elect & Commun Engn, Nuzividu 521201, Andhra Pradesh, India
关键词
kappa - mu shadowed fading model; Dual-hop system; Amplify-and-forward; Ergodic capacity; USER COOPERATION DIVERSITY; RELAYING SYSTEMS; COMMUNICATION-SYSTEMS; NETWORKS; BOUNDS; PROBABILITY; CAPACITY; ETA;
D O I
10.1016/j.phycom.2018.12.011
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
This paper investigates the performance of dual-hop amplify-and-forward cooperative system under kappa - mu shadowed fading channels. To describe the effect of multipath fading and shadowing conditions in a single composite entity, we use three parameter is kappa - mu shadowed fading model. Novel closed-form analytical expressions are derived for average bit error probability, outage probability, ergodic capacity and amount of fading. These expressions are useful to perform fast and efficient computations. Asymptotic analysis at high signal-to-noise ratio for average bit error probability is done to understand the effect of channel parameters on system behaviour. Further, to minimize asymptotic average bit error probability optimal power allocation and optimal relay location schemes are studied and corresponding expressions are derived. Monte Carlo simulation results are also presented to corroborate the derived analytical results. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码:206 / 214
页数:9
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