The effect of higher receiver sensitivity on the coverage of a spread spectrum CDMA system
We examine the effect of higher receiver sensitivity on coverage of a code division multiple access (CDMA) cellular system. The reduced system noise figure of a base station is achieved by placing low noise amplifier (LNA) between receive antenna and base station radio. Using noise figure theory, we...
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Veröffentlicht in: | IEEE microwave and wireless components letters 2005-05, Vol.15 (5), p.372-374 |
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creator | Yang, S.C. Payne, J. Salkola, M.I. |
description | We examine the effect of higher receiver sensitivity on coverage of a code division multiple access (CDMA) cellular system. The reduced system noise figure of a base station is achieved by placing low noise amplifier (LNA) between receive antenna and base station radio. Using noise figure theory, we develop an analytical model of sensitivity improvement which is a function of reverse-link noise rise and antenna noise temperature. Since CDMA has reverse power control, sensitivity improvement is manifested in the reduction of mobile transmit power. Field experiments are performed and data collected to test the model. The positive result shows that LNA can be used to reduce mobile transmit power and their loading on adjacent cells. |
doi_str_mv | 10.1109/LMWC.2005.847721 |
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The reduced system noise figure of a base station is achieved by placing low noise amplifier (LNA) between receive antenna and base station radio. Using noise figure theory, we develop an analytical model of sensitivity improvement which is a function of reverse-link noise rise and antenna noise temperature. Since CDMA has reverse power control, sensitivity improvement is manifested in the reduction of mobile transmit power. Field experiments are performed and data collected to test the model. The positive result shows that LNA can be used to reduce mobile transmit power and their loading on adjacent cells.</description><identifier>ISSN: 1531-1309</identifier><identifier>ISSN: 2771-957X</identifier><identifier>EISSN: 1558-1764</identifier><identifier>EISSN: 2771-9588</identifier><identifier>DOI: 10.1109/LMWC.2005.847721</identifier><identifier>CODEN: IMWCBJ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Amplifiers ; Analytical models ; Antenna theory ; Antennas ; Applied sciences ; Base stations ; Circuit properties ; Code division multiple access (CDMA) ; coverage ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronics ; Equipments and installations ; Exact sciences and technology ; low noise amplifier (LNA) ; Low-noise amplifiers ; Mobile radiocommunication systems ; Multiaccess communication ; Noise figure ; Noise reduction ; Radiocommunications ; Receivers ; Receiving antennas ; Spread spectrum communication ; spread spectrum systems ; Telecommunications ; Telecommunications and information theory ; Transmitters. Receivers</subject><ispartof>IEEE microwave and wireless components letters, 2005-05, Vol.15 (5), p.372-374</ispartof><rights>2005 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-c351t-dcd2472c87535a6bae4466b5b2ef83b871cd44157c8ee746c249029ba5326a583</citedby><cites>FETCH-LOGICAL-c351t-dcd2472c87535a6bae4466b5b2ef83b871cd44157c8ee746c249029ba5326a583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1427747$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27925,27926,54759</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1427747$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16751194$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, S.C.</creatorcontrib><creatorcontrib>Payne, J.</creatorcontrib><creatorcontrib>Salkola, M.I.</creatorcontrib><title>The effect of higher receiver sensitivity on the coverage of a spread spectrum CDMA system</title><title>IEEE microwave and wireless components letters</title><addtitle>LMWC</addtitle><description>We examine the effect of higher receiver sensitivity on coverage of a code division multiple access (CDMA) cellular system. The reduced system noise figure of a base station is achieved by placing low noise amplifier (LNA) between receive antenna and base station radio. Using noise figure theory, we develop an analytical model of sensitivity improvement which is a function of reverse-link noise rise and antenna noise temperature. Since CDMA has reverse power control, sensitivity improvement is manifested in the reduction of mobile transmit power. Field experiments are performed and data collected to test the model. The positive result shows that LNA can be used to reduce mobile transmit power and their loading on adjacent cells.</description><subject>Amplifiers</subject><subject>Analytical models</subject><subject>Antenna theory</subject><subject>Antennas</subject><subject>Applied sciences</subject><subject>Base stations</subject><subject>Circuit properties</subject><subject>Code division multiple access (CDMA)</subject><subject>coverage</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>low noise amplifier (LNA)</subject><subject>Low-noise amplifiers</subject><subject>Mobile radiocommunication systems</subject><subject>Multiaccess communication</subject><subject>Noise figure</subject><subject>Noise reduction</subject><subject>Radiocommunications</subject><subject>Receivers</subject><subject>Receiving antennas</subject><subject>Spread spectrum communication</subject><subject>spread spectrum systems</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Transmitters. Receivers</subject><issn>1531-1309</issn><issn>2771-957X</issn><issn>1558-1764</issn><issn>2771-9588</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEtLAzEUhQdRsD72gpsg6G5qbh6TzFLqEypuKoKbkEnvtJF2pibTQv-9GVoouLoHzncOl5NlV0CHALS8H79_jYaMUjnUQikGR9kApNQ5qEIc95pDDpyWp9lZjD-UgtACBtn3ZI4E6xpdR9qazP1sjoEEdOg3SURsou_8xndb0jakS7Brk2Fn2OOWxFVAO00nFYT1kowe3x9I3MYOlxfZSW0XES_39zz7fH6ajF7z8cfL2-hhnDsuocunbsqEYk4ryaUtKotCFEUlK4a15pVW4KZCgFROIypROCZKysrKSs4KKzU_z-52vavQ_q4xdmbpo8PFwjbYrqNhGoAxSRN48w_8adehSb8ZrblgUJY8QXQHudDGGLA2q-CXNmwNUNMvbfqlTb-02S2dIrf7XhudXdTBNs7HQ65QEqAUibvecR4RD7ZgSgnF_wAtm4Ww</recordid><startdate>20050501</startdate><enddate>20050501</enddate><creator>Yang, S.C.</creator><creator>Payne, J.</creator><creator>Salkola, M.I.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20050501</creationdate><title>The effect of higher receiver sensitivity on the coverage of a spread spectrum CDMA system</title><author>Yang, S.C. ; Payne, J. ; Salkola, M.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c351t-dcd2472c87535a6bae4466b5b2ef83b871cd44157c8ee746c249029ba5326a583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Amplifiers</topic><topic>Analytical models</topic><topic>Antenna theory</topic><topic>Antennas</topic><topic>Applied sciences</topic><topic>Base stations</topic><topic>Circuit properties</topic><topic>Code division multiple access (CDMA)</topic><topic>coverage</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Equipments and installations</topic><topic>Exact sciences and technology</topic><topic>low noise amplifier (LNA)</topic><topic>Low-noise amplifiers</topic><topic>Mobile radiocommunication systems</topic><topic>Multiaccess communication</topic><topic>Noise figure</topic><topic>Noise reduction</topic><topic>Radiocommunications</topic><topic>Receivers</topic><topic>Receiving antennas</topic><topic>Spread spectrum communication</topic><topic>spread spectrum systems</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Transmitters. Receivers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, S.C.</creatorcontrib><creatorcontrib>Payne, J.</creatorcontrib><creatorcontrib>Salkola, M.I.</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><jtitle>IEEE microwave and wireless components letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Yang, S.C.</au><au>Payne, J.</au><au>Salkola, M.I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of higher receiver sensitivity on the coverage of a spread spectrum CDMA system</atitle><jtitle>IEEE microwave and wireless components letters</jtitle><stitle>LMWC</stitle><date>2005-05-01</date><risdate>2005</risdate><volume>15</volume><issue>5</issue><spage>372</spage><epage>374</epage><pages>372-374</pages><issn>1531-1309</issn><issn>2771-957X</issn><eissn>1558-1764</eissn><eissn>2771-9588</eissn><coden>IMWCBJ</coden><abstract>We examine the effect of higher receiver sensitivity on coverage of a code division multiple access (CDMA) cellular system. The reduced system noise figure of a base station is achieved by placing low noise amplifier (LNA) between receive antenna and base station radio. Using noise figure theory, we develop an analytical model of sensitivity improvement which is a function of reverse-link noise rise and antenna noise temperature. Since CDMA has reverse power control, sensitivity improvement is manifested in the reduction of mobile transmit power. Field experiments are performed and data collected to test the model. The positive result shows that LNA can be used to reduce mobile transmit power and their loading on adjacent cells.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LMWC.2005.847721</doi><tpages>3</tpages></addata></record> |
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subjects | Amplifiers Analytical models Antenna theory Antennas Applied sciences Base stations Circuit properties Code division multiple access (CDMA) coverage Electric, optical and optoelectronic circuits Electronic circuits Electronics Equipments and installations Exact sciences and technology low noise amplifier (LNA) Low-noise amplifiers Mobile radiocommunication systems Multiaccess communication Noise figure Noise reduction Radiocommunications Receivers Receiving antennas Spread spectrum communication spread spectrum systems Telecommunications Telecommunications and information theory Transmitters. Receivers |
title | The effect of higher receiver sensitivity on the coverage of a spread spectrum CDMA system |
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