Performance Comparison of In-Band Full-Duplex and Half-Duplex Two-Hop Relaying with Channel Estimation Errors

Siye WANG; Yonghua LI; Mingyao WANG; Wenbo XU

doi:10.1587/transcom.2017EBP3029

Performance Comparison of In-Band Full-Duplex and Half-Duplex Two-Hop Relaying with Channel Estimation Errors

Siye WANG, Yonghua LI, Mingyao WANG, Wenbo XU

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In this paper, we consider a two-hop communication system with an amplify-and-forward (AF) relay under channel estimation errors. According to the channel quality of the link between the base station (BS) and the relay, we investigate two typical relay scenarios. We study the capacity performance for both In-Band Full-Duplex (IBFD) and Half-Duplex (HD) transmission modes. Moreover, we consider two operation modes of the user equipment (UE) for each scenario. Closed-form expressions of ergodic capacities with channel estimation errors are obtained for scenario-1. And we derive accurate approximations of ergodic capacities for scenario-2. Numerical experiments are conducted to verify the analytical results and show that our theoretical derivations are perfectly matched with the simulations. We show that with practical signal-to-noise ratio values and effective interference cancellation techniques, IBFD transmission is preferable in terms of capacity.

Publication: IEICE TRANSACTIONS on Communications Vol.E101-B No.2 pp.573-581

Publication Date: 2018/02/01

Publicized: 2017/08/22

Online ISSN: 1745-1345

DOI: 10.1587/transcom.2017EBP3029

Type of Manuscript: PAPER

Category: Wireless Communication Technologies

Authors

Siye WANG
  Beijing University of Posts and Telecommunications
Yonghua LI
  Beijing University of Posts and Telecommunications
Mingyao WANG
  Beijing University of Posts and Telecommunications
Wenbo XU
  Beijing University of Posts and Telecommunications

Keyword

amplify-and-forward, ergodic capacity, channel estimation error, loop back interference

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Siye WANG, Yonghua LI, Mingyao WANG, Wenbo XU, "Performance Comparison of In-Band Full-Duplex and Half-Duplex Two-Hop Relaying with Channel Estimation Errors" in IEICE TRANSACTIONS on Communications, vol. E101-B, no. 2, pp. 573-581, February 2018, doi: 10.1587/transcom.2017EBP3029.
Abstract: In this paper, we consider a two-hop communication system with an amplify-and-forward (AF) relay under channel estimation errors. According to the channel quality of the link between the base station (BS) and the relay, we investigate two typical relay scenarios. We study the capacity performance for both In-Band Full-Duplex (IBFD) and Half-Duplex (HD) transmission modes. Moreover, we consider two operation modes of the user equipment (UE) for each scenario. Closed-form expressions of ergodic capacities with channel estimation errors are obtained for scenario-1. And we derive accurate approximations of ergodic capacities for scenario-2. Numerical experiments are conducted to verify the analytical results and show that our theoretical derivations are perfectly matched with the simulations. We show that with practical signal-to-noise ratio values and effective interference cancellation techniques, IBFD transmission is preferable in terms of capacity.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/transcom.2017EBP3029/_p

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@ARTICLE{e101-b_2_573,
author={Siye WANG, Yonghua LI, Mingyao WANG, Wenbo XU, },
journal={IEICE TRANSACTIONS on Communications},
title={Performance Comparison of In-Band Full-Duplex and Half-Duplex Two-Hop Relaying with Channel Estimation Errors},
year={2018},
volume={E101-B},
number={2},
pages={573-581},
abstract={In this paper, we consider a two-hop communication system with an amplify-and-forward (AF) relay under channel estimation errors. According to the channel quality of the link between the base station (BS) and the relay, we investigate two typical relay scenarios. We study the capacity performance for both In-Band Full-Duplex (IBFD) and Half-Duplex (HD) transmission modes. Moreover, we consider two operation modes of the user equipment (UE) for each scenario. Closed-form expressions of ergodic capacities with channel estimation errors are obtained for scenario-1. And we derive accurate approximations of ergodic capacities for scenario-2. Numerical experiments are conducted to verify the analytical results and show that our theoretical derivations are perfectly matched with the simulations. We show that with practical signal-to-noise ratio values and effective interference cancellation techniques, IBFD transmission is preferable in terms of capacity.},
keywords={},
doi={10.1587/transcom.2017EBP3029},
ISSN={1745-1345},
month={February},}

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TY - JOUR
TI - Performance Comparison of In-Band Full-Duplex and Half-Duplex Two-Hop Relaying with Channel Estimation Errors
T2 - IEICE TRANSACTIONS on Communications
SP - 573
EP - 581
AU - Siye WANG
AU - Yonghua LI
AU - Mingyao WANG
AU - Wenbo XU
PY - 2018
DO - 10.1587/transcom.2017EBP3029
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E101-B
IS - 2
JA - IEICE TRANSACTIONS on Communications
Y1 - February 2018
AB - In this paper, we consider a two-hop communication system with an amplify-and-forward (AF) relay under channel estimation errors. According to the channel quality of the link between the base station (BS) and the relay, we investigate two typical relay scenarios. We study the capacity performance for both In-Band Full-Duplex (IBFD) and Half-Duplex (HD) transmission modes. Moreover, we consider two operation modes of the user equipment (UE) for each scenario. Closed-form expressions of ergodic capacities with channel estimation errors are obtained for scenario-1. And we derive accurate approximations of ergodic capacities for scenario-2. Numerical experiments are conducted to verify the analytical results and show that our theoretical derivations are perfectly matched with the simulations. We show that with practical signal-to-noise ratio values and effective interference cancellation techniques, IBFD transmission is preferable in terms of capacity.
ER -