Uplink throughput in a single-macrocell/single-microcell CDMA system with application to data access points
This paper studies a two-tier code-division multiple-access (CDMA) system in which the microcell base is converted into a data access point (DAP), i.e., is a limited-range base station that provides high-speed access to one user at a time. The microcell (or DAP) user operates on the same frequency a...
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| Veröffentlicht in: | IEEE transactions on wireless communications 2005-07, Vol.4 (4), p.1302-1306 |
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| container_title | IEEE transactions on wireless communications |
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| creator | Kishore, S. Schwartz, S.C. Greenstein, L.J. Poor, H.V. |
| description | This paper studies a two-tier code-division multiple-access (CDMA) system in which the microcell base is converted into a data access point (DAP), i.e., is a limited-range base station that provides high-speed access to one user at a time. The microcell (or DAP) user operates on the same frequency as the macrocell users and has the same chip rate. However, it adapts its spreading factor, and thus its data rate, in accordance with interference conditions. By contrast, the macrocell serves multiple simultaneous data users, each with the same fixed rate. The achievable throughput for individual microcell users is examined and a simple accurate approximation for its probability distribution is presented. Computations for average throughputs, both per-user and total, are also presented. The numerical results highlight the impact of a desensitivity parameter used in the base-selection process. |
| doi_str_mv | 10.1109/TWC.2005.852144 |
| format | Article |
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The microcell (or DAP) user operates on the same frequency as the macrocell users and has the same chip rate. However, it adapts its spreading factor, and thus its data rate, in accordance with interference conditions. By contrast, the macrocell serves multiple simultaneous data users, each with the same fixed rate. The achievable throughput for individual microcell users is examined and a simple accurate approximation for its probability distribution is presented. Computations for average throughputs, both per-user and total, are also presented. 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(IEEE) 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-d16424b0ddb01b5dff326c7795ff7886dbd1ee5615d547b7490784b40646ef213</citedby><cites>FETCH-LOGICAL-c382t-d16424b0ddb01b5dff326c7795ff7886dbd1ee5615d547b7490784b40646ef213</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1512082$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1512082$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17125718$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kishore, S.</creatorcontrib><creatorcontrib>Schwartz, S.C.</creatorcontrib><creatorcontrib>Greenstein, L.J.</creatorcontrib><creatorcontrib>Poor, H.V.</creatorcontrib><title>Uplink throughput in a single-macrocell/single-microcell CDMA system with application to data access points</title><title>IEEE transactions on wireless communications</title><addtitle>TWC</addtitle><description>This paper studies a two-tier code-division multiple-access (CDMA) system in which the microcell base is converted into a data access point (DAP), i.e., is a limited-range base station that provides high-speed access to one user at a time. The microcell (or DAP) user operates on the same frequency as the macrocell users and has the same chip rate. However, it adapts its spreading factor, and thus its data rate, in accordance with interference conditions. By contrast, the macrocell serves multiple simultaneous data users, each with the same fixed rate. The achievable throughput for individual microcell users is examined and a simple accurate approximation for its probability distribution is presented. Computations for average throughputs, both per-user and total, are also presented. The numerical results highlight the impact of a desensitivity parameter used in the base-selection process.</description><subject>Applied sciences</subject><subject>Approximation</subject><subject>CDMA</subject><subject>Code division multiple access</subject><subject>data access points</subject><subject>Digital audio players</subject><subject>Equipments and installations</subject><subject>Exact sciences and technology</subject><subject>Femtocell networks</subject><subject>Frequency</subject><subject>High speed</subject><subject>Interference</subject><subject>macrocell</subject><subject>Macrocell networks</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>microcell</subject><subject>Microcell networks</subject><subject>Mobile radiocommunication systems</subject><subject>Multiaccess communication</subject><subject>Probability distribution</subject><subject>Radiocommunications</subject><subject>Signal to noise ratio</subject><subject>Spreading</subject><subject>Stations</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Throughput</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Wireless communication</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>eNp9kU1Lw0AQhoMoWKtnD14WQfGSdmezXzmW-gmKF8Xjstls2rVpErMbxH_vllYED55mmHnmZWbeJDkFPAHA-fTlbT4hGLOJZAQo3UtGwJhMCaFyf5NnPAUi-GFy5P07xiA4Y6Nk9drVrlmhsOzbYbHshoBcgzTyrlnUNl1r07fG1vX0p-B2BTS_fpoh_-WDXaNPF5ZId1HK6ODaBoUWlTpopI2x3qOudU3wx8lBpWtvT3ZxnLze3rzM79PH57uH-ewxNZkkIS2BU0ILXJYFhoKVVZURboTIWVUJKXlZlGAt48BKRkUhaI6FpAXFnHJbEcjGyeVWt-vbj8H6oNbOb3bWjW0Hr4jENCeYR_DqXxC4AAoiE3lEz_-g7-3QN_EMJXkUy3OGIzTdQvFH3ve2Ul3v1rr_UoDVxiQVTVIbk9TWpDhxsZPV3ui66nVjnP8dE0CYABm5sy3nrLW_bQYES5J9A0Timgk</recordid><startdate>20050701</startdate><enddate>20050701</enddate><creator>Kishore, S.</creator><creator>Schwartz, S.C.</creator><creator>Greenstein, L.J.</creator><creator>Poor, H.V.</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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| subjects | Applied sciences Approximation CDMA Code division multiple access data access points Digital audio players Equipments and installations Exact sciences and technology Femtocell networks Frequency High speed Interference macrocell Macrocell networks Mathematical analysis Mathematical models microcell Microcell networks Mobile radiocommunication systems Multiaccess communication Probability distribution Radiocommunications Signal to noise ratio Spreading Stations Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Throughput Transmission and modulation (techniques and equipments) Wireless communication |
| title | Uplink throughput in a single-macrocell/single-microcell CDMA system with application to data access points |
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