Space sense random access with collision mitigation in uplink WLANs
Space sense random access (SSRA) with collision mitigation is proposed for TDD wireless local area networks (WLANs) with multiple antennas. Before transmitting a packet, the user performs space sense to detect the status of the channel. If the channel is idle, it then transmits a common training seq...
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| Veröffentlicht in: | IEEE communications letters 2009-09, Vol.13 (9), p.709-711 |
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| container_title | IEEE communications letters |
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| creator | Pan, Chengkang Cai, Yueming Wu, Xiaofu Yang, Weiwei Xu, Youyun |
| description | Space sense random access (SSRA) with collision mitigation is proposed for TDD wireless local area networks (WLANs) with multiple antennas. Before transmitting a packet, the user performs space sense to detect the status of the channel. If the channel is idle, it then transmits a common training sequence for channel estimation. Multiple subslots are available for channel estimation and the user randomly selects one subslot to achieve the possible collision-free channel estimation. It is shown that SSRA removes the requirement of orthogonal training sequences while avoiding possible packet collision and further providing multipacket reception capability. Compared to the conventional slotted ALOHA scheme, SSRA can achieve much higher throughput, as verified by extensive simulation results. |
| doi_str_mv | 10.1109/LCOMM.2009.091004 |
| format | Article |
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Before transmitting a packet, the user performs space sense to detect the status of the channel. If the channel is idle, it then transmits a common training sequence for channel estimation. Multiple subslots are available for channel estimation and the user randomly selects one subslot to achieve the possible collision-free channel estimation. It is shown that SSRA removes the requirement of orthogonal training sequences while avoiding possible packet collision and further providing multipacket reception capability. Compared to the conventional slotted ALOHA scheme, SSRA can achieve much higher throughput, as verified by extensive simulation results.</description><identifier>ISSN: 1089-7798</identifier><identifier>EISSN: 1558-2558</identifier><identifier>DOI: 10.1109/LCOMM.2009.091004</identifier><identifier>CODEN: ICLEF6</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Access protocols ; Antennas ; Applied sciences ; Business and industry local networks ; Channel estimation ; Channels ; Collision mitigation ; Detection, estimation, filtering, equalization, prediction ; Exact sciences and technology ; Information, signal and communications theory ; Local area networks ; Media Access Protocol ; Mobile communication ; Multiplexing ; Networks and services in france and abroad ; Partial transmit sequences ; Random access ; Receiving antennas ; Signal and communications theory ; Signal to noise ratio ; Signal, noise ; Simulation ; space sense ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Teleprocessing networks. Isdn ; Throughput ; Training ; Transmission ; Transmission and modulation (techniques and equipments) ; Wireless communication ; Wireless LAN</subject><ispartof>IEEE communications letters, 2009-09, Vol.13 (9), p.709-711</ispartof><rights>2009 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c338t-1488eb6e354ed3ac3911f30d19185194519938dbd7dbc896cf3b2e53869263283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5282383$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5282383$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22085953$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pan, Chengkang</creatorcontrib><creatorcontrib>Cai, Yueming</creatorcontrib><creatorcontrib>Wu, Xiaofu</creatorcontrib><creatorcontrib>Yang, Weiwei</creatorcontrib><creatorcontrib>Xu, Youyun</creatorcontrib><title>Space sense random access with collision mitigation in uplink WLANs</title><title>IEEE communications letters</title><addtitle>COML</addtitle><description>Space sense random access (SSRA) with collision mitigation is proposed for TDD wireless local area networks (WLANs) with multiple antennas. Before transmitting a packet, the user performs space sense to detect the status of the channel. If the channel is idle, it then transmits a common training sequence for channel estimation. Multiple subslots are available for channel estimation and the user randomly selects one subslot to achieve the possible collision-free channel estimation. It is shown that SSRA removes the requirement of orthogonal training sequences while avoiding possible packet collision and further providing multipacket reception capability. Compared to the conventional slotted ALOHA scheme, SSRA can achieve much higher throughput, as verified by extensive simulation results.</description><subject>Access protocols</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Business and industry local networks</subject><subject>Channel estimation</subject><subject>Channels</subject><subject>Collision mitigation</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>Exact sciences and technology</subject><subject>Information, signal and communications theory</subject><subject>Local area networks</subject><subject>Media Access Protocol</subject><subject>Mobile communication</subject><subject>Multiplexing</subject><subject>Networks and services in france and abroad</subject><subject>Partial transmit sequences</subject><subject>Random access</subject><subject>Receiving antennas</subject><subject>Signal and communications theory</subject><subject>Signal to noise ratio</subject><subject>Signal, noise</subject><subject>Simulation</subject><subject>space sense</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>Training</subject><subject>Transmission</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Wireless communication</subject><subject>Wireless LAN</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kE1P20AQQFeISoS0PwBxsZBacXGY2fHas0cUFVoplANUHFeb9bpdcOzU66ji37MhKAcOHOZDmjcjzRPiBGGGCPpiMb-9uZlJAD0DjQDFgZigUpzLlA5TD6zzqtJ8JI5jfAQAlgonYn63ts5n0XfRZ4Pt6n6VWed8jNn_MP7NXN-2IYa-y1ZhDH_suG1Dl23WbeiesofF5a_4WXxqbBv9l7c6Fb-vvt_Pf-SL2-uf88tF7oh4zLFg9svSkyp8TdaRRmwIatTICnWRQhPXy7qql4516RpaSq-ISy1LkkxT8W13dz30_zY-jmYVovNtazvfb6IhBcSc2Kk4_xDEskIpNVKV0LN36GO_Gbr0hmFVFQQEKkG4g9zQxzj4xqyHsLLDs0EwW_3mVb_Z6jc7_Wnn69thG51tm-TWhbhflBJYaUWJO91xwXu_HyvJkpjoBRpLi00</recordid><startdate>20090901</startdate><enddate>20090901</enddate><creator>Pan, Chengkang</creator><creator>Cai, Yueming</creator><creator>Wu, Xiaofu</creator><creator>Yang, Weiwei</creator><creator>Xu, Youyun</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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Isdn</topic><topic>Throughput</topic><topic>Training</topic><topic>Transmission</topic><topic>Transmission and modulation (techniques and equipments)</topic><topic>Wireless communication</topic><topic>Wireless LAN</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Chengkang</creatorcontrib><creatorcontrib>Cai, Yueming</creatorcontrib><creatorcontrib>Wu, Xiaofu</creatorcontrib><creatorcontrib>Yang, Weiwei</creatorcontrib><creatorcontrib>Xu, Youyun</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><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Pan, Chengkang</au><au>Cai, Yueming</au><au>Wu, Xiaofu</au><au>Yang, Weiwei</au><au>Xu, Youyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Space sense random access with collision mitigation in uplink WLANs</atitle><jtitle>IEEE communications letters</jtitle><stitle>COML</stitle><date>2009-09-01</date><risdate>2009</risdate><volume>13</volume><issue>9</issue><spage>709</spage><epage>711</epage><pages>709-711</pages><issn>1089-7798</issn><eissn>1558-2558</eissn><coden>ICLEF6</coden><abstract>Space sense random access (SSRA) with collision mitigation is proposed for TDD wireless local area networks (WLANs) with multiple antennas. Before transmitting a packet, the user performs space sense to detect the status of the channel. If the channel is idle, it then transmits a common training sequence for channel estimation. Multiple subslots are available for channel estimation and the user randomly selects one subslot to achieve the possible collision-free channel estimation. It is shown that SSRA removes the requirement of orthogonal training sequences while avoiding possible packet collision and further providing multipacket reception capability. Compared to the conventional slotted ALOHA scheme, SSRA can achieve much higher throughput, as verified by extensive simulation results.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2009.091004</doi><tpages>3</tpages></addata></record> |
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| ispartof | IEEE communications letters, 2009-09, Vol.13 (9), p.709-711 |
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| subjects | Access protocols Antennas Applied sciences Business and industry local networks Channel estimation Channels Collision mitigation Detection, estimation, filtering, equalization, prediction Exact sciences and technology Information, signal and communications theory Local area networks Media Access Protocol Mobile communication Multiplexing Networks and services in france and abroad Partial transmit sequences Random access Receiving antennas Signal and communications theory Signal to noise ratio Signal, noise Simulation space sense Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Teleprocessing networks. Isdn Throughput Training Transmission Transmission and modulation (techniques and equipments) Wireless communication Wireless LAN |
| title | Space sense random access with collision mitigation in uplink WLANs |
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