Decode-and-Forward Two-Path Half-Duplex Relaying: Diversity-Multiplexing Tradeoff Analysis
Two-path or successive relaying has recently emerged as a promising cooperative communication protocol to improve spectral efficiency in half-duplex relaying networks. In this paper, we consider decode-and-forward (DF) version of the two-path relaying protocol. We analyze the fundamental performance...
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| Veröffentlicht in: | IEEE transactions on communications 2011-07, Vol.59 (7), p.1985-1994 |
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| container_end_page | 1994 |
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| container_issue | 7 |
| container_start_page | 1985 |
| container_title | IEEE transactions on communications |
| container_volume | 59 |
| creator | Wicaksana, H. Ting, S. H. Guan, Y. L. Xia, X.-G |
| description | Two-path or successive relaying has recently emerged as a promising cooperative communication protocol to improve spectral efficiency in half-duplex relaying networks. In this paper, we consider decode-and-forward (DF) version of the two-path relaying protocol. We analyze the fundamental performance of this protocol in terms of the diversity-multiplexing tradeoff (DMT). We first derive the DMT for this protocol, where perfect decoding at the relays is assumed, and show that it approaches the 3 x 1 multiple-input single-output (MISO) DMT. We then remove the assumption of perfect decoding at the relays and derive the closed-form expression of the achievable DMT based on the relative distances between nodes. Specifically, we found that for sufficiently long transmission length, if the average source-relay SNR is at least 2.5 times (measured in dB) of other links, the 3 x 1 MISO DMT is achieved. Successive interference cancellation at the relays is also proposed to further improve the performance of the DMT. |
| doi_str_mv | 10.1109/TCOMM.2011.050211.100643 |
| format | Article |
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H. ; Guan, Y. L. ; Xia, X.-G</creator><creatorcontrib>Wicaksana, H. ; Ting, S. H. ; Guan, Y. L. ; Xia, X.-G</creatorcontrib><description>Two-path or successive relaying has recently emerged as a promising cooperative communication protocol to improve spectral efficiency in half-duplex relaying networks. In this paper, we consider decode-and-forward (DF) version of the two-path relaying protocol. We analyze the fundamental performance of this protocol in terms of the diversity-multiplexing tradeoff (DMT). We first derive the DMT for this protocol, where perfect decoding at the relays is assumed, and show that it approaches the 3 x 1 multiple-input single-output (MISO) DMT. We then remove the assumption of perfect decoding at the relays and derive the closed-form expression of the achievable DMT based on the relative distances between nodes. Specifically, we found that for sufficiently long transmission length, if the average source-relay SNR is at least 2.5 times (measured in dB) of other links, the 3 x 1 MISO DMT is achieved. Successive interference cancellation at the relays is also proposed to further improve the performance of the DMT.</description><identifier>ISSN: 0090-6778</identifier><identifier>EISSN: 1558-0857</identifier><identifier>DOI: 10.1109/TCOMM.2011.050211.100643</identifier><identifier>CODEN: IECMBT</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Access methods and protocols, osi model ; Applied sciences ; Coding, codes ; Decode-and-forward ; Decoding ; Detection, estimation, filtering, equalization, prediction ; diversity-multiplexing tradeoff (DMT) ; Exact sciences and technology ; half-duplex relaying ; Information, signal and communications theory ; Interference ; Joints ; Multiplexing ; Protocols ; Relays ; Signal and communications theory ; Signal to noise ratio ; Signal, noise ; Telecommunications ; Telecommunications and information theory ; Teleprocessing networks. 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H.</creatorcontrib><creatorcontrib>Guan, Y. L.</creatorcontrib><creatorcontrib>Xia, X.-G</creatorcontrib><title>Decode-and-Forward Two-Path Half-Duplex Relaying: Diversity-Multiplexing Tradeoff Analysis</title><title>IEEE transactions on communications</title><addtitle>TCOMM</addtitle><description>Two-path or successive relaying has recently emerged as a promising cooperative communication protocol to improve spectral efficiency in half-duplex relaying networks. In this paper, we consider decode-and-forward (DF) version of the two-path relaying protocol. We analyze the fundamental performance of this protocol in terms of the diversity-multiplexing tradeoff (DMT). We first derive the DMT for this protocol, where perfect decoding at the relays is assumed, and show that it approaches the 3 x 1 multiple-input single-output (MISO) DMT. We then remove the assumption of perfect decoding at the relays and derive the closed-form expression of the achievable DMT based on the relative distances between nodes. Specifically, we found that for sufficiently long transmission length, if the average source-relay SNR is at least 2.5 times (measured in dB) of other links, the 3 x 1 MISO DMT is achieved. Successive interference cancellation at the relays is also proposed to further improve the performance of the DMT.</description><subject>Access methods and protocols, osi model</subject><subject>Applied sciences</subject><subject>Coding, codes</subject><subject>Decode-and-forward</subject><subject>Decoding</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>diversity-multiplexing tradeoff (DMT)</subject><subject>Exact sciences and technology</subject><subject>half-duplex relaying</subject><subject>Information, signal and communications theory</subject><subject>Interference</subject><subject>Joints</subject><subject>Multiplexing</subject><subject>Protocols</subject><subject>Relays</subject><subject>Signal and communications theory</subject><subject>Signal to noise ratio</subject><subject>Signal, noise</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Teleprocessing networks. Isdn</subject><subject>two-path relaying</subject><issn>0090-6778</issn><issn>1558-0857</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtKw0AUhgdRsFafwE02LqeeuSUTd6W1VmipSNy4CUNyRkdiU2aiNW_v1EhXP_yXA-cjJGEwYQzy22K2Wa8nHBibgAIehQGkUpyQEVNKU9AqOyUjgBxommX6nFyE8AEAEoQYkdc5Vm2N1Gxrumj93vg6KfYtfTLde7I0jaXzr12DP8kzNqZ327e7ZO6-0QfX9XT91XTukEY_KbypsbU2mW5N0wcXLsmZNU3Aq38dk5fFfTFb0tXm4XE2XdFKQN5RA5Vmlmshma2Q1XWOtU1zVBmrRC4zjVbVmYqWEbGq0BqbcZOmmmuOUoox0cPdyrcheLTlzrtP4_uSQXlgVP4xKg-MyoFROTCK05thujOhis96s61cOO65FFJwoWPveug5RDzGKktlGin-At9vcT4</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Wicaksana, H.</creator><creator>Ting, S. H.</creator><creator>Guan, Y. L.</creator><creator>Xia, X.-G</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20110701</creationdate><title>Decode-and-Forward Two-Path Half-Duplex Relaying: Diversity-Multiplexing Tradeoff Analysis</title><author>Wicaksana, H. ; Ting, S. H. ; Guan, Y. L. ; Xia, X.-G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c309t-a0c81f28341fce1dd9edf69e571c39478ef5d75f69a30c85efaf72a668282e443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Access methods and protocols, osi model</topic><topic>Applied sciences</topic><topic>Coding, codes</topic><topic>Decode-and-forward</topic><topic>Decoding</topic><topic>Detection, estimation, filtering, equalization, prediction</topic><topic>diversity-multiplexing tradeoff (DMT)</topic><topic>Exact sciences and technology</topic><topic>half-duplex relaying</topic><topic>Information, signal and communications theory</topic><topic>Interference</topic><topic>Joints</topic><topic>Multiplexing</topic><topic>Protocols</topic><topic>Relays</topic><topic>Signal and communications theory</topic><topic>Signal to noise ratio</topic><topic>Signal, noise</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Teleprocessing networks. Isdn</topic><topic>two-path relaying</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wicaksana, H.</creatorcontrib><creatorcontrib>Ting, S. H.</creatorcontrib><creatorcontrib>Guan, Y. L.</creatorcontrib><creatorcontrib>Xia, X.-G</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wicaksana, H.</au><au>Ting, S. H.</au><au>Guan, Y. L.</au><au>Xia, X.-G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Decode-and-Forward Two-Path Half-Duplex Relaying: Diversity-Multiplexing Tradeoff Analysis</atitle><jtitle>IEEE transactions on communications</jtitle><stitle>TCOMM</stitle><date>2011-07-01</date><risdate>2011</risdate><volume>59</volume><issue>7</issue><spage>1985</spage><epage>1994</epage><pages>1985-1994</pages><issn>0090-6778</issn><eissn>1558-0857</eissn><coden>IECMBT</coden><abstract>Two-path or successive relaying has recently emerged as a promising cooperative communication protocol to improve spectral efficiency in half-duplex relaying networks. In this paper, we consider decode-and-forward (DF) version of the two-path relaying protocol. We analyze the fundamental performance of this protocol in terms of the diversity-multiplexing tradeoff (DMT). We first derive the DMT for this protocol, where perfect decoding at the relays is assumed, and show that it approaches the 3 x 1 multiple-input single-output (MISO) DMT. We then remove the assumption of perfect decoding at the relays and derive the closed-form expression of the achievable DMT based on the relative distances between nodes. Specifically, we found that for sufficiently long transmission length, if the average source-relay SNR is at least 2.5 times (measured in dB) of other links, the 3 x 1 MISO DMT is achieved. Successive interference cancellation at the relays is also proposed to further improve the performance of the DMT.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TCOMM.2011.050211.100643</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0090-6778 |
| ispartof | IEEE transactions on communications, 2011-07, Vol.59 (7), p.1985-1994 |
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| subjects | Access methods and protocols, osi model Applied sciences Coding, codes Decode-and-forward Decoding Detection, estimation, filtering, equalization, prediction diversity-multiplexing tradeoff (DMT) Exact sciences and technology half-duplex relaying Information, signal and communications theory Interference Joints Multiplexing Protocols Relays Signal and communications theory Signal to noise ratio Signal, noise Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn two-path relaying |
| title | Decode-and-Forward Two-Path Half-Duplex Relaying: Diversity-Multiplexing Tradeoff Analysis |
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