Balancing the hidden and exposed node problems with power control in CSMA/CA-based wireless networks

Media access control (MAC) mechanism design is a key problem in wireless networking. One problem is hidden nodes, which are allowed to transmit, but which interfere with a receiver causing a collision. Another problem is exposed nodes, which are not allowed to transmit although they would not interf...

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Hauptverfasser:	Yihong Zhou, Nettles, S.M.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Access control Collision avoidance Decoding Intelligent networks Interference Media Access Protocol Multiaccess communication Power control Transmitters Wireless networks
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creator	Yihong Zhou Nettles, S.M.
description	Media access control (MAC) mechanism design is a key problem in wireless networking. One problem is hidden nodes, which are allowed to transmit, but which interfere with a receiver causing a collision. Another problem is exposed nodes, which are not allowed to transmit although they would not interfere, thus limiting spatial reuse. MAC designs, like IEEE 802.11, try to solve both of these problems, but are not wholly successful. Other MAC designs attempt to control the transmit power, both to lower power use and to minimize exposed nodes. This results in a worsened hidden node problem. We present a power control MAC that balances the hidden and exposed node problem. The idea is to use no more power than is needed to eliminate the hidden nodes, thus limiting the exposed nodes. We present simulation results that show our design outperforms both 802.11 and previous power control MACs.
doi_str_mv	10.1109/WCNC.2005.1424590
format	Conference Proceeding
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One problem is hidden nodes, which are allowed to transmit, but which interfere with a receiver causing a collision. Another problem is exposed nodes, which are not allowed to transmit although they would not interfere, thus limiting spatial reuse. MAC designs, like IEEE 802.11, try to solve both of these problems, but are not wholly successful. Other MAC designs attempt to control the transmit power, both to lower power use and to minimize exposed nodes. This results in a worsened hidden node problem. We present a power control MAC that balances the hidden and exposed node problem. The idea is to use no more power than is needed to eliminate the hidden nodes, thus limiting the exposed nodes. 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One problem is hidden nodes, which are allowed to transmit, but which interfere with a receiver causing a collision. Another problem is exposed nodes, which are not allowed to transmit although they would not interfere, thus limiting spatial reuse. MAC designs, like IEEE 802.11, try to solve both of these problems, but are not wholly successful. Other MAC designs attempt to control the transmit power, both to lower power use and to minimize exposed nodes. This results in a worsened hidden node problem. We present a power control MAC that balances the hidden and exposed node problem. The idea is to use no more power than is needed to eliminate the hidden nodes, thus limiting the exposed nodes. We present simulation results that show our design outperforms both 802.11 and previous power control MACs.</description><subject>Access control</subject><subject>Collision avoidance</subject><subject>Decoding</subject><subject>Intelligent networks</subject><subject>Interference</subject><subject>Media Access Protocol</subject><subject>Multiaccess communication</subject><subject>Power control</subject><subject>Transmitters</subject><subject>Wireless networks</subject><issn>1525-3511</issn><issn>1558-2612</issn><isbn>0780389662</isbn><isbn>9780780389663</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2005</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotkMtOwzAURC0eEqX0AxAb_0BSv50sS8RLKrAoEsvKjm-oIbUjO1Lg76Gis5nF0ZzFIHRNSUkpqZfvzUtTMkJkSQUTsiYnaEalrAqmKDtFl0RXhFe1UuzsAJgsuKT0Ai1y_iR_EVIIpmfI3ZrehNaHDzzuAO-8cxCwCQ7D9xAzOByiAzykaHvYZzz5cYeHOEHCbQxjij32ATeb59WyWRXWHBaTT9BDzjjAOMX0la_QeWf6DItjz9Hm_u6teSzWrw9PzWpd-JqMRS241UJVlnLlOK2tY64WYExlBGhmmTOSdJoo2RHNWqa00JprI1TbOdvxObr5t3oA2A7J70362R7v4b8YQFdw</recordid><startdate>2005</startdate><enddate>2005</enddate><creator>Yihong Zhou</creator><creator>Nettles, S.M.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>2005</creationdate><title>Balancing the hidden and exposed node problems with power control in CSMA/CA-based wireless networks</title><author>Yihong Zhou ; Nettles, S.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-943b7468b136d319bd2d94eaa8a4e72b2da50f7065f072c26747737a46cfdbf3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Access control</topic><topic>Collision avoidance</topic><topic>Decoding</topic><topic>Intelligent networks</topic><topic>Interference</topic><topic>Media Access Protocol</topic><topic>Multiaccess communication</topic><topic>Power control</topic><topic>Transmitters</topic><topic>Wireless networks</topic><toplevel>online_resources</toplevel><creatorcontrib>Yihong Zhou</creatorcontrib><creatorcontrib>Nettles, S.M.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yihong Zhou</au><au>Nettles, S.M.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Balancing the hidden and exposed node problems with power control in CSMA/CA-based wireless networks</atitle><btitle>IEEE Wireless Communications and Networking Conference, 2005</btitle><stitle>WCNC</stitle><date>2005</date><risdate>2005</risdate><volume>2</volume><spage>683</spage><epage>688 Vol. 2</epage><pages>683-688 Vol. 2</pages><issn>1525-3511</issn><eissn>1558-2612</eissn><isbn>0780389662</isbn><isbn>9780780389663</isbn><abstract>Media access control (MAC) mechanism design is a key problem in wireless networking. One problem is hidden nodes, which are allowed to transmit, but which interfere with a receiver causing a collision. Another problem is exposed nodes, which are not allowed to transmit although they would not interfere, thus limiting spatial reuse. MAC designs, like IEEE 802.11, try to solve both of these problems, but are not wholly successful. Other MAC designs attempt to control the transmit power, both to lower power use and to minimize exposed nodes. This results in a worsened hidden node problem. We present a power control MAC that balances the hidden and exposed node problem. The idea is to use no more power than is needed to eliminate the hidden nodes, thus limiting the exposed nodes. We present simulation results that show our design outperforms both 802.11 and previous power control MACs.</abstract><pub>IEEE</pub><doi>10.1109/WCNC.2005.1424590</doi></addata></record>
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subjects	Access control Collision avoidance Decoding Intelligent networks Interference Media Access Protocol Multiaccess communication Power control Transmitters Wireless networks
title	Balancing the hidden and exposed node problems with power control in CSMA/CA-based wireless networks
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