Outage capacity improvements in multicellular CDMA systems using receive antenna diversity and fast power control
In this paper, we analyze the uplink outage capacity improvements in multicellular code-division multiple-access systems using receive antenna diversity and fast power control schemes that can track multipath fading. The channel is modeled as slowly varying Rayleigh fading with lognormal shadowing a...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2005-09, Vol.4 (5), p.2222-2231 |
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| container_title | IEEE transactions on wireless communications |
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| creator | Tokgoz, Y. Rao, B.D. |
| description | In this paper, we analyze the uplink outage capacity improvements in multicellular code-division multiple-access systems using receive antenna diversity and fast power control schemes that can track multipath fading. The channel is modeled as slowly varying Rayleigh fading with lognormal shadowing and path loss. Closed-form expressions are obtained for the outage capacity of the system by approximating the total intracell and intercell interference distributions. We show that by controlling the power level of a user at the output of the diversity combiner and imposing the condition that a user does not transmit when in a deep fade, the average intercell interference level of the system is significantly reduced. As a result of this reduction, we demonstrate both analytically and through simulations that the outage capacity of the system is improved more than linearly with increasing number of antenna elements. |
| doi_str_mv | 10.1109/TWC.2005.853972 |
| format | Article |
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The channel is modeled as slowly varying Rayleigh fading with lognormal shadowing and path loss. Closed-form expressions are obtained for the outage capacity of the system by approximating the total intracell and intercell interference distributions. We show that by controlling the power level of a user at the output of the diversity combiner and imposing the condition that a user does not transmit when in a deep fade, the average intercell interference level of the system is significantly reduced. As a result of this reduction, we demonstrate both analytically and through simulations that the outage capacity of the system is improved more than linearly with increasing number of antenna elements.</description><identifier>ISSN: 1536-1276</identifier><identifier>EISSN: 1558-2248</identifier><identifier>DOI: 10.1109/TWC.2005.853972</identifier><identifier>CODEN: ITWCAX</identifier><language>eng</language><publisher>Piscataway, NJ: IEEE</publisher><subject>Analytical models ; Antenna diversity ; Antennas ; Applied sciences ; Approximation ; Channels ; Closed-form solution ; Control systems ; Exact sciences and technology ; Fading ; fading channels ; Interference ; Mathematical analysis ; Multiaccess communication ; multicellular systems ; Outages ; Power control ; Power system modeling ; Radiocommunications ; Rayleigh channels ; Receiving antennas ; Shadow mapping ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Transmission and modulation (techniques and equipments)</subject><ispartof>IEEE transactions on wireless communications, 2005-09, Vol.4 (5), p.2222-2231</ispartof><rights>2006 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-ef5fa0e868a9d5aab79c008da5e9e15b28c17b81cc4ba2bd986a5dce8af037733</citedby><cites>FETCH-LOGICAL-c382t-ef5fa0e868a9d5aab79c008da5e9e15b28c17b81cc4ba2bd986a5dce8af037733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1532208$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1532208$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17351464$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tokgoz, Y.</creatorcontrib><creatorcontrib>Rao, B.D.</creatorcontrib><title>Outage capacity improvements in multicellular CDMA systems using receive antenna diversity and fast power control</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>In this paper, we analyze the uplink outage capacity improvements in multicellular code-division multiple-access systems using receive antenna diversity and fast power control schemes that can track multipath fading. The channel is modeled as slowly varying Rayleigh fading with lognormal shadowing and path loss. Closed-form expressions are obtained for the outage capacity of the system by approximating the total intracell and intercell interference distributions. We show that by controlling the power level of a user at the output of the diversity combiner and imposing the condition that a user does not transmit when in a deep fade, the average intercell interference level of the system is significantly reduced. As a result of this reduction, we demonstrate both analytically and through simulations that the outage capacity of the system is improved more than linearly with increasing number of antenna elements.</description><subject>Analytical models</subject><subject>Antenna diversity</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Approximation</subject><subject>Channels</subject><subject>Closed-form solution</subject><subject>Control systems</subject><subject>Exact sciences and technology</subject><subject>Fading</subject><subject>fading channels</subject><subject>Interference</subject><subject>Mathematical analysis</subject><subject>Multiaccess communication</subject><subject>multicellular systems</subject><subject>Outages</subject><subject>Power control</subject><subject>Power system modeling</subject><subject>Radiocommunications</subject><subject>Rayleigh channels</subject><subject>Receiving antennas</subject><subject>Shadow mapping</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><issn>1536-1276</issn><issn>1558-2248</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kc1r3DAQxU1poek25x56EYWWXLzRh_XhY9gmaSEll4QexVgeBwVb3khyyv73ldlAoIeeZob5zRser6o-MbpljLbnd793W06p3BopWs3fVCdMSlNz3pi3ay9UzbhW76sPKT1SyrSS8qR6ul0yPCBxsAfn84H4aR_nZ5ww5ER8INMyZu9wHJcRItl9_3VB0iFlnBJZkg8PJKJD_4wEQsYQgPRliGmVgtCTAVIm-_kPRuLmkOM8fqzeDTAmPH2pm-r-6vJu96O-ub3-ubu4qZ0wPNc4yAEoGmWg7SVAp1tHqelBYotMdtw4pjvDnGs64F3fGgWyd2hgoEJrITbVt6Nu8fO0YMp28mk1AgHnJVluGFOaqgKe_RcsFGukahtT0C__oI_zEkOxYY1qOZO6fN5U50fIxTmliIPdRz9BPFhG7RqVLVHZNSp7jKpcfH2RheRgHCIE59PrmRaSNaop3Ocj5xHxdS0F59SIv0a1no8</recordid><startdate>20050901</startdate><enddate>20050901</enddate><creator>Tokgoz, Y.</creator><creator>Rao, B.D.</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 channel is modeled as slowly varying Rayleigh fading with lognormal shadowing and path loss. Closed-form expressions are obtained for the outage capacity of the system by approximating the total intracell and intercell interference distributions. We show that by controlling the power level of a user at the output of the diversity combiner and imposing the condition that a user does not transmit when in a deep fade, the average intercell interference level of the system is significantly reduced. As a result of this reduction, we demonstrate both analytically and through simulations that the outage capacity of the system is improved more than linearly with increasing number of antenna elements.</abstract><cop>Piscataway, NJ</cop><pub>IEEE</pub><doi>10.1109/TWC.2005.853972</doi><tpages>10</tpages></addata></record> |
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| subjects | Analytical models Antenna diversity Antennas Applied sciences Approximation Channels Closed-form solution Control systems Exact sciences and technology Fading fading channels Interference Mathematical analysis Multiaccess communication multicellular systems Outages Power control Power system modeling Radiocommunications Rayleigh channels Receiving antennas Shadow mapping Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) |
| title | Outage capacity improvements in multicellular CDMA systems using receive antenna diversity and fast power control |
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