Distributed Space-Frequency Coding for Cooperative Diversity in Broadband Wireless Ad Hoc Networks
A distributed space-frequency (SF) coded cooperative technique is proposed for broadband wireless ad-hoc networks, where both the channels from the source node to relay nodes and from the relay nodes to the destination node are characterized by frequency-selective fading. Using an SF coding at the s...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2008-03, Vol.7 (3), p.995-1003 |
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| creator | Wei Zhang Yabo Li Xiang-Gen Xia Ching, P.C. Ben Letaief, K. |
| description | A distributed space-frequency (SF) coded cooperative technique is proposed for broadband wireless ad-hoc networks, where both the channels from the source node to relay nodes and from the relay nodes to the destination node are characterized by frequency-selective fading. Using an SF coding at the source node and a circular shift at each relay node, we propose a scheme that can achieve both cooperative and multi-path diversity. The pairwise error probability is analyzed and the result demonstrates that a diversity gain of min(ML 1 , ML 2 ) can be achieved, where M is the number of the relay nodes, and L 1 and L 2 are the number of taps of the multipath fading channels from the source node to the relay nodes and from the relay nodes to the destination node, respectively. Furthermore, the proposed distributed SF coding can achieve full-rate transmission for any number of relay nodes. In particular, it does not need IFFT/FFT processing or decoding at each relay node, thus providing a low-complexity design of the relay nodes in broadband wireless ad-hoc networks. |
| doi_str_mv | 10.1109/TWC.2008.060717 |
| format | Article |
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Using an SF coding at the source node and a circular shift at each relay node, we propose a scheme that can achieve both cooperative and multi-path diversity. The pairwise error probability is analyzed and the result demonstrates that a diversity gain of min(ML 1 , ML 2 ) can be achieved, where M is the number of the relay nodes, and L 1 and L 2 are the number of taps of the multipath fading channels from the source node to the relay nodes and from the relay nodes to the destination node, respectively. Furthermore, the proposed distributed SF coding can achieve full-rate transmission for any number of relay nodes. 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(IEEE) 2008</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c413t-629c43eb680e21935530d6d195021b54c4e8139bb17763fc5c1c1c616bd019ce3</citedby><cites>FETCH-LOGICAL-c413t-629c43eb680e21935530d6d195021b54c4e8139bb17763fc5c1c1c616bd019ce3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4472017$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27929,27930,54763</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4472017$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20249689$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wei Zhang</creatorcontrib><creatorcontrib>Yabo Li</creatorcontrib><creatorcontrib>Xiang-Gen Xia</creatorcontrib><creatorcontrib>Ching, P.C.</creatorcontrib><creatorcontrib>Ben Letaief, K.</creatorcontrib><title>Distributed Space-Frequency Coding for Cooperative Diversity in Broadband Wireless Ad Hoc Networks</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>A distributed space-frequency (SF) coded cooperative technique is proposed for broadband wireless ad-hoc networks, where both the channels from the source node to relay nodes and from the relay nodes to the destination node are characterized by frequency-selective fading. Using an SF coding at the source node and a circular shift at each relay node, we propose a scheme that can achieve both cooperative and multi-path diversity. The pairwise error probability is analyzed and the result demonstrates that a diversity gain of min(ML 1 , ML 2 ) can be achieved, where M is the number of the relay nodes, and L 1 and L 2 are the number of taps of the multipath fading channels from the source node to the relay nodes and from the relay nodes to the destination node, respectively. Furthermore, the proposed distributed SF coding can achieve full-rate transmission for any number of relay nodes. In particular, it does not need IFFT/FFT processing or decoding at each relay node, thus providing a low-complexity design of the relay nodes in broadband wireless ad-hoc networks.</description><subject>Ad hoc networks</subject><subject>Applied sciences</subject><subject>Broadband</subject><subject>Channels</subject><subject>Coding</subject><subject>Communications networks</subject><subject>Diversity methods</subject><subject>Exact sciences and technology</subject><subject>Fading</subject><subject>Gain</subject><subject>MIMO</subject><subject>Mobile ad hoc networks</subject><subject>Networks</subject><subject>Pairwise error probability</subject><subject>Peer to peer computing</subject><subject>Relay</subject><subject>Relays</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Wireless communication</subject><subject>Wireless networks</subject><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkU1vFDEMhkcIJErhzIFLhAScZmvna5Jj2bYUqYIDRT1GmYwHpUwnSzIL2n_frLbqgQPIkm3Jj1_ZepvmNcIKEezJ9c16xQHMCjR02D1pjlAp03IuzdN9L3SLvNPPmxel3AJgp5U6avqzWJYc--1CA_u28YHai0y_tjSHHVunIc4_2JhybdOGsl_ib2JnNeUSlx2LM_uYkx96Pw_sJmaaqBR2OrDLFNgXWv6k_LO8bJ6Nfir06qEeN98vzq_Xl-3V10-f16dXbZAollZzG6SgXhsgjlYoJWDQA1oFHHslgySDwvY9dp0WY1ABa2jU_QBoA4nj5sNBd5NTfaAs7i6WQNPkZ0rb4iwIjUqi-S9pOgXSGCMq-f6fpJCynsOhgm__Am_TNs_1X2e0UIjWyAqdHKCQUymZRrfJ8c7nnUNwexNdNdHtTXQHE-vGuwdZX4KfxuznEMvjGgcurTa2cm8OXCSix7GU9bSqcg84JqMY</recordid><startdate>20080301</startdate><enddate>20080301</enddate><creator>Wei Zhang</creator><creator>Yabo Li</creator><creator>Xiang-Gen Xia</creator><creator>Ching, P.C.</creator><creator>Ben Letaief, K.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Using an SF coding at the source node and a circular shift at each relay node, we propose a scheme that can achieve both cooperative and multi-path diversity. The pairwise error probability is analyzed and the result demonstrates that a diversity gain of min(ML 1 , ML 2 ) can be achieved, where M is the number of the relay nodes, and L 1 and L 2 are the number of taps of the multipath fading channels from the source node to the relay nodes and from the relay nodes to the destination node, respectively. Furthermore, the proposed distributed SF coding can achieve full-rate transmission for any number of relay nodes. In particular, it does not need IFFT/FFT processing or decoding at each relay node, thus providing a low-complexity design of the relay nodes in broadband wireless ad-hoc networks.</abstract><cop>Piscataway, NJ</cop><pub>IEEE</pub><doi>10.1109/TWC.2008.060717</doi><tpages>9</tpages></addata></record> |
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| subjects | Ad hoc networks Applied sciences Broadband Channels Coding Communications networks Diversity methods Exact sciences and technology Fading Gain MIMO Mobile ad hoc networks Networks Pairwise error probability Peer to peer computing Relay Relays Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Wireless communication Wireless networks |
| title | Distributed Space-Frequency Coding for Cooperative Diversity in Broadband Wireless Ad Hoc Networks |
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