Four-Way Relaying in Wireless Cellular Systems

Huaping Liu, Petar Popovski, Elisabeth De Carvalho, Yuping Zhao, Fan Sun

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Resumé

Two-way relaying in wireless systems has initiated a large research effort during the past few years. Nevertheless, it represents only a specific traffic pattern and it is of interest to investigate other traffic patterns where such a simultaneous processing of information flows can bring performance advantage. In this paper we consider a four-way relaying scenario, where each of the two Mobile Stations (MSs) has a two-way connection to the same Base Station (BS), while each connection is through a dedicated Relay Station (RS). The RSs are placed in such a way that one RS and the terminals associated with it do not interfere with the other RS, and vice versa. We introduce and analyze a two-phase transmission scheme to serve the four-way traffic pattern defined in this scenario. Each phase consists of combined broadcast and multiple access. We analyze the achievable rate region of the new scheme for Decode-and-Forward (DF) operational model for the RS. We compare the performance with a state-of-the-art reference scheme, based on two-way relaying with DF. The results indicate that the achievable rate regions are significantly enlarged for the new scheme.
OriginalsprogEngelsk
TidsskriftIEEE Wireless Communications Letters
Vol/bind2
Udgave nummer4
Sider (fra-til)403 - 406
Antal sider3
ISSN2162-2337
DOI
StatusUdgivet - aug. 2013

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Liu, Huaping ; Popovski, Petar ; De Carvalho, Elisabeth ; Zhao, Yuping ; Sun, Fan. / Four-Way Relaying in Wireless Cellular Systems. I: IEEE Wireless Communications Letters. 2013 ; Bind 2, Nr. 4. s. 403 - 406.
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title = "Four-Way Relaying in Wireless Cellular Systems",
abstract = "Two-way relaying in wireless systems has initiated a large research effort during the past few years. Nevertheless, it represents only a specific traffic pattern and it is of interest to investigate other traffic patterns where such a simultaneous processing of information flows can bring performance advantage.In this paper we consider a \emph{four-way relaying} scenario, where each of the two Mobile Stations (MSs) has a two-way connection to the same Base Station (BS), while each connection is through a dedicated Relay Station (RS).The RSs are placed in such a way that one RS and the terminalsassociated with it do not interfere with the other RS, and vice versa.We introduce and analyze a two-phase transmission scheme to serve the four-way traffic pattern defined in this scenario. Each phase consists of combined broadcast and multiple access. We analyze the achievable rate region of the new scheme for Decode-and-Forward (DF) operational model for the RS. We compare the performance with a state-of-the-art reference scheme, based on two-way relaying with DF. The results indicate that the achievable rate regions are significantly enlarged for the new scheme.",
author = "Huaping Liu and Petar Popovski and {De Carvalho}, Elisabeth and Yuping Zhao and Fan Sun",
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Four-Way Relaying in Wireless Cellular Systems. / Liu, Huaping; Popovski, Petar; De Carvalho, Elisabeth; Zhao, Yuping; Sun, Fan.

I: IEEE Wireless Communications Letters, Bind 2, Nr. 4, 08.2013, s. 403 - 406.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Four-Way Relaying in Wireless Cellular Systems

AU - Liu, Huaping

AU - Popovski, Petar

AU - De Carvalho, Elisabeth

AU - Zhao, Yuping

AU - Sun, Fan

PY - 2013/8

Y1 - 2013/8

N2 - Two-way relaying in wireless systems has initiated a large research effort during the past few years. Nevertheless, it represents only a specific traffic pattern and it is of interest to investigate other traffic patterns where such a simultaneous processing of information flows can bring performance advantage.In this paper we consider a \emph{four-way relaying} scenario, where each of the two Mobile Stations (MSs) has a two-way connection to the same Base Station (BS), while each connection is through a dedicated Relay Station (RS).The RSs are placed in such a way that one RS and the terminalsassociated with it do not interfere with the other RS, and vice versa.We introduce and analyze a two-phase transmission scheme to serve the four-way traffic pattern defined in this scenario. Each phase consists of combined broadcast and multiple access. We analyze the achievable rate region of the new scheme for Decode-and-Forward (DF) operational model for the RS. We compare the performance with a state-of-the-art reference scheme, based on two-way relaying with DF. The results indicate that the achievable rate regions are significantly enlarged for the new scheme.

AB - Two-way relaying in wireless systems has initiated a large research effort during the past few years. Nevertheless, it represents only a specific traffic pattern and it is of interest to investigate other traffic patterns where such a simultaneous processing of information flows can bring performance advantage.In this paper we consider a \emph{four-way relaying} scenario, where each of the two Mobile Stations (MSs) has a two-way connection to the same Base Station (BS), while each connection is through a dedicated Relay Station (RS).The RSs are placed in such a way that one RS and the terminalsassociated with it do not interfere with the other RS, and vice versa.We introduce and analyze a two-phase transmission scheme to serve the four-way traffic pattern defined in this scenario. Each phase consists of combined broadcast and multiple access. We analyze the achievable rate region of the new scheme for Decode-and-Forward (DF) operational model for the RS. We compare the performance with a state-of-the-art reference scheme, based on two-way relaying with DF. The results indicate that the achievable rate regions are significantly enlarged for the new scheme.

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DO - 10.1109/WCL.2013.050613.130225

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