A Path Selection Technique Considering Time Difference of Arrival in Two-Hop Relay Systems
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概要
- 論文の詳細を見る
In this letter, the effect of the time difference of arrival (TDoA) on synchronous types or asynchronous types of OFDMA-based multi-hop relay (MR) systems is investigated. Signal-to-interference plus noise ratios (SINRs) for downlinks and uplinks are defined to measure the degree of interference due to TDoA in asymmetric MR systems. A path selection technique based on the SINR is then proposed to determine the optimal paths for the uplink and downlink independently. It is shown that asymmetric routing can improve the performance of OFDMA-based MR systems when the proposed technique is applied to the path selection of the uplink taking into account the effect of the TDoA.
- （社）電子情報通信学会の論文
- 2009-11-01
著者
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KIM Jaekwon
Samsung Advanced Institute of Technology
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Cho Yong‐soo
Chung‐ang Univ. Kor
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YOO Hyun-Il
School of Electrical and Electronic Engineering, Chung-Ang Univ.
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WOO Kyung-Soo
School of Electrical and Electronic Engineering, Chung-Ang Univ.
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PARK Chang-Hwan
School of Electrical and Electronic Engineering, Chung-Ang Univ.
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KIM Jaekwon
Yonsei Univ.
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CHO Yong-Soo
School of Electrical and Electronic Engineering, Chung-Ang Univ.
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Kim Jaekwon
Computer And Telecommun. Engineering Division Yonsei Univ.
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Woo Kyung-soo
School Of Electrical And Electronic Engineering Chung-ang Univ.
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Yoo Hyun-il
School Of Electrical And Electronic Engineering Chung-ang Univ.
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Cho Yong-soo
School Of Electrical And Electronic Engineering Chung-ang Univ.
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HAN Seung-Hee
Telecommunication R&D Center, Samsung Electronics Co., LTD.
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Cho Yong‐soo
School Of Electrical And Electronic Engineering Chung-ang Univ.
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Park Chang-hwan
School Of Electrical And Electronic Engineering Chung-ang Univ.
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Han Seung-hee
Telecommunication R&d Center Samsung Electronics Co. Ltd
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Kim Jaekwon
Computer & Telecommunications Engineering Division Yonsei University
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CHO Yong-Soo
School of Electrical & Electronic Engineering, Chung-Ang University
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