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Performance Analysis of Multihop Wireless Links over Generalized-K Fading Channels

Performance Analysis of Multihop Wireless Links over Generalized-K Fading Channels
Performance Analysis of Multihop Wireless Links over Generalized-K Fading Channels
The performance of multihop links is studied in this contribution by both analysis and simulations, when communicating over Generalized-$K$ ($K_G$) fading channels. The performance metrics considered include symbol error rate (SER), outage probability, level crossing rate (LCR) and average outage duration (AOD). First, the expressions for both the SER and outage probability are derived by approximating the probability density function (PDF) of the end-to-end signal-to-noise ratio (SNR) using an equivalent end-to-end PDF. We show that this equivalent end-to-end PDF is accurate for analyzing the outage probability. Then, the second-order statistics of LCR and AOD of multihop links are analyzed. Finally, the performance of multihop links is investigated either by simulations or by evaluation of the expressions derived. Our performance results show that the analytical expressions obtained can be well justified by the simulation results. The studies show that the $K_G$ channel model as well as the expressions derived in this paper are highly efficient for predicting the performance metrics and statistics for design of multihop communication links.
0018-9545
Cao, Jianfei
11bef1b9-86e5-49ff-ab8a-6ae95a6a5a2e
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Zhong, Zhangdui
e048ba4a-3852-4f67-aadd-a88711c717ba
Cao, Jianfei
11bef1b9-86e5-49ff-ab8a-6ae95a6a5a2e
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Zhong, Zhangdui
e048ba4a-3852-4f67-aadd-a88711c717ba

Cao, Jianfei, Yang, Lie-Liang and Zhong, Zhangdui (2012) Performance Analysis of Multihop Wireless Links over Generalized-K Fading Channels. IEEE Transactions on Vehicular Technology. (In Press)

Record type: Article

Abstract

The performance of multihop links is studied in this contribution by both analysis and simulations, when communicating over Generalized-$K$ ($K_G$) fading channels. The performance metrics considered include symbol error rate (SER), outage probability, level crossing rate (LCR) and average outage duration (AOD). First, the expressions for both the SER and outage probability are derived by approximating the probability density function (PDF) of the end-to-end signal-to-noise ratio (SNR) using an equivalent end-to-end PDF. We show that this equivalent end-to-end PDF is accurate for analyzing the outage probability. Then, the second-order statistics of LCR and AOD of multihop links are analyzed. Finally, the performance of multihop links is investigated either by simulations or by evaluation of the expressions derived. Our performance results show that the analytical expressions obtained can be well justified by the simulation results. The studies show that the $K_G$ channel model as well as the expressions derived in this paper are highly efficient for predicting the performance metrics and statistics for design of multihop communication links.

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Accepted/In Press date: 2012
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 273239
URI: https://eprints.soton.ac.uk/id/eprint/273239
ISSN: 0018-9545
PURE UUID: 84c5be20-46fa-4f6d-b209-506aa7f1c611
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327

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Date deposited: 28 Feb 2012 18:41
Last modified: 06 Jun 2018 12:56

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