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Study of relay position in two-path successive relaying with interference cancellation

Two-path successive relaying scheme is designed to recover the loss of spectral efficiency due to half-duplex constraint When not operating in orthogonal channels, the relay pair used in the successive relaying scheme interferes each other. This inter-relay interference degrades the capacity perform...

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Main Authors: Qian, Yu Liau, Chee, Yen Leow
Format: Conference or Workshop Item
Published: 2014
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utm.my/id/eprint/62711/
https://dx.doi.org/10.1109/APWiMob.2014.6920308
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spelling my.utm.627112017-08-30T08:20:27Z http://eprints.utm.my/id/eprint/62711/ Study of relay position in two-path successive relaying with interference cancellation Qian, Yu Liau Chee, Yen Leow TK Electrical engineering. Electronics Nuclear engineering Two-path successive relaying scheme is designed to recover the loss of spectral efficiency due to half-duplex constraint When not operating in orthogonal channels, the relay pair used in the successive relaying scheme interferes each other. This inter-relay interference degrades the capacity performance of the successive relaying scheme significantly. Successive interference cancellation has been proposed to tackle the inter-relay interference in two-path successive relaying. The effectiveness of such interference cancellation technique relies heavily on the instantaneous channel conditions, which is not only depending on the small scale fading but also the large scale path loss. However, in the existing literature of two-path successive relaying, the effect of path loss and the position of relays have not been considered. Therefore, in this paper, we study the effect of path loss and relay position to the ergodic capacity of the two-path successive relaying with and without interference cancellation. We also compare the performance of successive relaying with the conventional half-duplex relaying. Simulation results show that the ergodic capacity of the two-path successive relaying not only depends on the relative position of the relays from source and destination nodes, but it is also affected by the inter-relay distance. When the relays are relatively closer to the destination and the inter-relay distance is short, the ergodic capacity of the two-path successive relaying with interference cancellation outperforms the conventional half-duplex relaying. 2014 Conference or Workshop Item PeerReviewed Qian, Yu Liau and Chee, Yen Leow (2014) Study of relay position in two-path successive relaying with interference cancellation. In: International Conference on IEEE Asia Pacific Conference on Wireless and Mobile, APWiMob 2014, 28-30 August, Bali, Indonesia. https://dx.doi.org/10.1109/APWiMob.2014.6920308
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Qian, Yu Liau
Chee, Yen Leow
Study of relay position in two-path successive relaying with interference cancellation
description Two-path successive relaying scheme is designed to recover the loss of spectral efficiency due to half-duplex constraint When not operating in orthogonal channels, the relay pair used in the successive relaying scheme interferes each other. This inter-relay interference degrades the capacity performance of the successive relaying scheme significantly. Successive interference cancellation has been proposed to tackle the inter-relay interference in two-path successive relaying. The effectiveness of such interference cancellation technique relies heavily on the instantaneous channel conditions, which is not only depending on the small scale fading but also the large scale path loss. However, in the existing literature of two-path successive relaying, the effect of path loss and the position of relays have not been considered. Therefore, in this paper, we study the effect of path loss and relay position to the ergodic capacity of the two-path successive relaying with and without interference cancellation. We also compare the performance of successive relaying with the conventional half-duplex relaying. Simulation results show that the ergodic capacity of the two-path successive relaying not only depends on the relative position of the relays from source and destination nodes, but it is also affected by the inter-relay distance. When the relays are relatively closer to the destination and the inter-relay distance is short, the ergodic capacity of the two-path successive relaying with interference cancellation outperforms the conventional half-duplex relaying.
format Conference or Workshop Item
author Qian, Yu Liau
Chee, Yen Leow
author_facet Qian, Yu Liau
Chee, Yen Leow
author_sort Qian, Yu Liau
title Study of relay position in two-path successive relaying with interference cancellation
title_short Study of relay position in two-path successive relaying with interference cancellation
title_full Study of relay position in two-path successive relaying with interference cancellation
title_fullStr Study of relay position in two-path successive relaying with interference cancellation
title_full_unstemmed Study of relay position in two-path successive relaying with interference cancellation
title_sort study of relay position in two-path successive relaying with interference cancellation
publishDate 2014
url http://eprints.utm.my/id/eprint/62711/
https://dx.doi.org/10.1109/APWiMob.2014.6920308
_version_ 1643655500464652288
score 13.211869

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