Improvement of WLAN Contention Resolution by Loss Differentiation
In a realistic WLAN environment, frame losses may be caused by collisions or channel noise. The existence of noise-induced losses reduces the effectiveness of the standard WLAN backoff algorithm for contention resolution, which assumes that all losses are caused by collisions and always doubles the...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2006-12, Vol.5 (12), p.3605-3615 |
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| container_title | IEEE transactions on wireless communications |
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| creator | Pang, Q. Leung, V.C.M. Liew, S.C. |
| description | In a realistic WLAN environment, frame losses may be caused by collisions or channel noise. The existence of noise-induced losses reduces the effectiveness of the standard WLAN backoff algorithm for contention resolution, which assumes that all losses are caused by collisions and always doubles the contention window to reduce contention upon a frame loss. In this paper, we propose new backoff algorithms that take advantage of a new capability to differentiate the losses, and thereby sharpen the accuracy of the contention resolution process. Analytical models are developed to analyze the performance of these algorithms under heterogeneous link conditions in a WLAN. Both analysis and simulation results show that significant improvement of throughput and fairness can be obtained for WLANs in which contention resolution is. enhanced by the loss differentiation ability |
| doi_str_mv | 10.1109/TWC.2006.256983 |
| format | Article |
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The existence of noise-induced losses reduces the effectiveness of the standard WLAN backoff algorithm for contention resolution, which assumes that all losses are caused by collisions and always doubles the contention window to reduce contention upon a frame loss. In this paper, we propose new backoff algorithms that take advantage of a new capability to differentiate the losses, and thereby sharpen the accuracy of the contention resolution process. Analytical models are developed to analyze the performance of these algorithms under heterogeneous link conditions in a WLAN. Both analysis and simulation results show that significant improvement of throughput and fairness can be obtained for WLANs in which contention resolution is. enhanced by the loss differentiation ability</description><identifier>ISSN: 1536-1276</identifier><identifier>EISSN: 1558-2248</identifier><identifier>DOI: 10.1109/TWC.2006.256983</identifier><identifier>CODEN: ITWCAX</identifier><language>eng</language><publisher>Piscataway, NJ: IEEE</publisher><subject>Access methods and protocols, osi model ; Algorithm design and analysis ; Algorithms ; Analytical models ; Applied sciences ; Business and industry local networks ; Channel noise ; Collisions ; Delay ; Differentiation ; Exact sciences and technology ; Frames ; Local area networks ; Mathematical analysis ; Media Access Protocol ; Networks and services in france and abroad ; Noise reduction ; Performance analysis ; Propagation losses ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Teleprocessing networks. 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The existence of noise-induced losses reduces the effectiveness of the standard WLAN backoff algorithm for contention resolution, which assumes that all losses are caused by collisions and always doubles the contention window to reduce contention upon a frame loss. In this paper, we propose new backoff algorithms that take advantage of a new capability to differentiate the losses, and thereby sharpen the accuracy of the contention resolution process. Analytical models are developed to analyze the performance of these algorithms under heterogeneous link conditions in a WLAN. Both analysis and simulation results show that significant improvement of throughput and fairness can be obtained for WLANs in which contention resolution is. enhanced by the loss differentiation ability</description><subject>Access methods and protocols, osi model</subject><subject>Algorithm design and analysis</subject><subject>Algorithms</subject><subject>Analytical models</subject><subject>Applied sciences</subject><subject>Business and industry local networks</subject><subject>Channel noise</subject><subject>Collisions</subject><subject>Delay</subject><subject>Differentiation</subject><subject>Exact sciences and technology</subject><subject>Frames</subject><subject>Local area networks</subject><subject>Mathematical analysis</subject><subject>Media Access Protocol</subject><subject>Networks and services in france and abroad</subject><subject>Noise reduction</subject><subject>Performance analysis</subject><subject>Propagation losses</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Teleprocessing networks. Isdn</subject><subject>Throughput</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Wireless communication</subject><subject>Wireless LAN</subject><subject>Working environment noise</subject><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkMtLwzAcx4MoOKdnD16KIJ665dG8jmO-BkVBJjuGNEuho200aYX996brUPD0e31-ry8A1wjOEIJyvt4sZxhCNsOUSUFOwARRKlKMM3E6-ISlCHN2Di5C2EGIOKN0Ahar5tO7b9vYtktcmWzyxWuydG0X48q1ybsNru4PbrFPchdC8lCVpfVDXQ_5S3BW6jrYq6Odgo-nx_XyJc3fnlfLRZ4aIlGXboWUGPHMSC6skcgwXRBZQGh4xiU1VApqLNK6oAxvoZSUUay3cRWSUHNJpuB-nBvv_ept6FRTBWPrWrfW9UEJyTDCGSWRvP1H7lzv23icEowJmrEDNB8h4-NT3pbq01eN9nuFoBoEVVFQNQiqRkFjx91xrA5G16XXranCX5sgHBGCI3czcpW19recQcyppOQHiOF84g</recordid><startdate>20061201</startdate><enddate>20061201</enddate><creator>Pang, Q.</creator><creator>Leung, V.C.M.</creator><creator>Liew, S.C.</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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The existence of noise-induced losses reduces the effectiveness of the standard WLAN backoff algorithm for contention resolution, which assumes that all losses are caused by collisions and always doubles the contention window to reduce contention upon a frame loss. In this paper, we propose new backoff algorithms that take advantage of a new capability to differentiate the losses, and thereby sharpen the accuracy of the contention resolution process. Analytical models are developed to analyze the performance of these algorithms under heterogeneous link conditions in a WLAN. Both analysis and simulation results show that significant improvement of throughput and fairness can be obtained for WLANs in which contention resolution is. enhanced by the loss differentiation ability</abstract><cop>Piscataway, NJ</cop><pub>IEEE</pub><doi>10.1109/TWC.2006.256983</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | IEEE transactions on wireless communications, 2006-12, Vol.5 (12), p.3605-3615 |
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| subjects | Access methods and protocols, osi model Algorithm design and analysis Algorithms Analytical models Applied sciences Business and industry local networks Channel noise Collisions Delay Differentiation Exact sciences and technology Frames Local area networks Mathematical analysis Media Access Protocol Networks and services in france and abroad Noise reduction Performance analysis Propagation losses Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn Throughput Transmission and modulation (techniques and equipments) Wireless communication Wireless LAN Working environment noise |
| title | Improvement of WLAN Contention Resolution by Loss Differentiation |
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