Comparing the Direct Transmission, two-hop relaying and cooperative relaying schemes

Jialing Li; Enoch Lu; I. Tai Lu

doi:10.1109/WCNC.2011.5779402

Comparing the Direct Transmission, two-hop relaying and cooperative relaying schemes

Jialing Li, Enoch Lu, I. Tai Lu

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A novel generalized iterative approach is proposed for designing the MMSE MIMO processors (precoders, relay processors and decoders) for two amplify-and-forward relaying schemes: two-hop (2Hop) and cooperative (Coop) relaying schemes. The MMSE design can be achieved for communication links with two end nodes and multiple relay nodes (all nodes with multiple antennas) subject to either the per-node power constraint or the per-antenna power constraint. Simulation results show that there exist circumstances where 2Hop performs as well as Coop. In addition, there exist scenarios that the conventional Direct Transmission (DT) scheme can actually outperform Coop if optimum modulation coding schemes and sophisticated cooperation protocols are not employed for Coop.

Original language	English (US)
Title of host publication	2011 IEEE Wireless Communications and Networking Conference, WCNC 2011
Pages	1596-1601
Number of pages	6
DOIs	https://doi.org/10.1109/WCNC.2011.5779402
State	Published - 2011
Event	2011 IEEE Wireless Communications and Networking Conference, WCNC 2011 - Cancun, Mexico Duration: Mar 28 2011 → Mar 31 2011

Publication series

Name	2011 IEEE Wireless Communications and Networking Conference, WCNC 2011

Other

Other	2011 IEEE Wireless Communications and Networking Conference, WCNC 2011
Country/Territory	Mexico
City	Cancun
Period	3/28/11 → 3/31/11

ASJC Scopus subject areas

Computer Networks and Communications
Communication

Access to Document

10.1109/WCNC.2011.5779402

Cite this

Comparing the Direct Transmission, two-hop relaying and cooperative relaying schemes. / Li, Jialing; Lu, Enoch; Lu, I. Tai.
2011 IEEE Wireless Communications and Networking Conference, WCNC 2011. 2011. p. 1596-1601 5779402 (2011 IEEE Wireless Communications and Networking Conference, WCNC 2011).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Li, J, Lu, E & Lu, IT 2011, Comparing the Direct Transmission, two-hop relaying and cooperative relaying schemes. in 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011., 5779402, 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011, pp. 1596-1601, 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011, Cancun, Mexico, 3/28/11. https://doi.org/10.1109/WCNC.2011.5779402

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AB - A novel generalized iterative approach is proposed for designing the MMSE MIMO processors (precoders, relay processors and decoders) for two amplify-and-forward relaying schemes: two-hop (2Hop) and cooperative (Coop) relaying schemes. The MMSE design can be achieved for communication links with two end nodes and multiple relay nodes (all nodes with multiple antennas) subject to either the per-node power constraint or the per-antenna power constraint. Simulation results show that there exist circumstances where 2Hop performs as well as Coop. In addition, there exist scenarios that the conventional Direct Transmission (DT) scheme can actually outperform Coop if optimum modulation coding schemes and sophisticated cooperation protocols are not employed for Coop.

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Comparing the Direct Transmission, two-hop relaying and cooperative relaying schemes

Abstract

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