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Congestion Relief in Subway Areas by Tuning Uplink Power Control in LTE
Providing an adequate quality of service in subway areas is a challenging task in cellular networks, due to the complexity of the indoor propagation and the effects of group mobility. Thus, it is common that traffic congestion appears in subway cells. In this paper, a self-tuning method for uplink p...
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| Published in: | IEEE transactions on vehicular technology 2017-07, Vol.66 (7), p.6489-6497 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c291t-98304fa2893e3a456b3126824b27f4ae1a241747491dd180071c469088cccd03 |
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| cites | cdi_FETCH-LOGICAL-c291t-98304fa2893e3a456b3126824b27f4ae1a241747491dd180071c469088cccd03 |
| container_end_page | 6497 |
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| container_start_page | 6489 |
| container_title | IEEE transactions on vehicular technology |
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| creator | Vallejo-Mora, Ana Belen Toril, Matias Luna-Ramirez, Salvador Mendo, Adriano Pedraza, Salvador |
| description | Providing an adequate quality of service in subway areas is a challenging task in cellular networks, due to the complexity of the indoor propagation and the effects of group mobility. Thus, it is common that traffic congestion appears in subway cells. In this paper, a self-tuning method for uplink power control (ULPC) parameters is proposed to solve congestion problems in long-term evolution (LTE) cells located in a subway network. First, a thorough analysis of congestion phenomena in LTE subway cells is presented. The aim of the analysis is to show how uplink performance is severely degraded with group mobility in subway cells. Then, a heuristic algorithm is proposed to tune the nominal power parameter in ULPC on a cell basis to solve localized congestion problems. The aim of the algorithm is to exploit cell isolation by increasing user transmit power to improve system spectral efficiency and thus reduce the average cell load. Field trial results show that the algorithm significantly improves network accessibility and retainability in subway scenarios without any hardware upgrade. |
| doi_str_mv | 10.1109/TVT.2016.2632734 |
| format | article |
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Thus, it is common that traffic congestion appears in subway cells. In this paper, a self-tuning method for uplink power control (ULPC) parameters is proposed to solve congestion problems in long-term evolution (LTE) cells located in a subway network. First, a thorough analysis of congestion phenomena in LTE subway cells is presented. The aim of the analysis is to show how uplink performance is severely degraded with group mobility in subway cells. Then, a heuristic algorithm is proposed to tune the nominal power parameter in ULPC on a cell basis to solve localized congestion problems. The aim of the algorithm is to exploit cell isolation by increasing user transmit power to improve system spectral efficiency and thus reduce the average cell load. 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Thus, it is common that traffic congestion appears in subway cells. In this paper, a self-tuning method for uplink power control (ULPC) parameters is proposed to solve congestion problems in long-term evolution (LTE) cells located in a subway network. First, a thorough analysis of congestion phenomena in LTE subway cells is presented. The aim of the analysis is to show how uplink performance is severely degraded with group mobility in subway cells. Then, a heuristic algorithm is proposed to tune the nominal power parameter in ULPC on a cell basis to solve localized congestion problems. The aim of the algorithm is to exploit cell isolation by increasing user transmit power to improve system spectral efficiency and thus reduce the average cell load. Field trial results show that the algorithm significantly improves network accessibility and retainability in subway scenarios without any hardware upgrade.</description><subject>Algorithms</subject><subject>Cellular communication</subject><subject>Congestion</subject><subject>Handover</subject><subject>Heuristic algorithms</subject><subject>Heuristic methods</subject><subject>Interference</subject><subject>Long Term Evolution</subject><subject>long-term evolution (LTE)</subject><subject>Mobile communication systems</subject><subject>mobile network</subject><subject>optimization</subject><subject>Parameters</subject><subject>Performance degradation</subject><subject>Power control</subject><subject>Power efficiency</subject><subject>Public transportation</subject><subject>Quality of service architectures</subject><subject>Self tuning</subject><subject>Subways</subject><subject>Traffic congestion</subject><subject>Upgrading</subject><subject>Uplink</subject><subject>Wireless communications</subject><issn>0018-9545</issn><issn>1939-9359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9kE1LAzEQhoMoWKt3wUvA89ZMks3HsZRahYKiq9eQ3WZL6pqtSZfSf29KxdMw8DzvDC9Ct0AmAEQ_VJ_VhBIQEyoYlYyfoRFopgvNSn2ORoSAKnTJy0t0ldImr5xrGKHFrA9rl3a-D_jNdd612Af8PtR7e8DT6GzC9QFXQ_BhjT-2nQ9f-LXfu4izuIt9d8SX1fwaXbS2S-7mb45R9TivZk_F8mXxPJsui4Zq2BVaMcJbS5VmjlleipoBFYrymsqWWweWcpBc5t9WK1CESGi40ESppmlWhI3R_Sl2G_ufIf9tNv0QQ75oaPY4lVToTJET1cQ-pehas43-28aDAWKObZncljm2Zf7aysrdSfHOuX9cylKwHPgL_NBjJQ</recordid><startdate>20170701</startdate><enddate>20170701</enddate><creator>Vallejo-Mora, Ana Belen</creator><creator>Toril, Matias</creator><creator>Luna-Ramirez, Salvador</creator><creator>Mendo, Adriano</creator><creator>Pedraza, Salvador</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20170701</creationdate><title>Congestion Relief in Subway Areas by Tuning Uplink Power Control in LTE</title><author>Vallejo-Mora, Ana Belen ; Toril, Matias ; Luna-Ramirez, Salvador ; Mendo, Adriano ; Pedraza, Salvador</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-98304fa2893e3a456b3126824b27f4ae1a241747491dd180071c469088cccd03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Algorithms</topic><topic>Cellular communication</topic><topic>Congestion</topic><topic>Handover</topic><topic>Heuristic algorithms</topic><topic>Heuristic methods</topic><topic>Interference</topic><topic>Long Term Evolution</topic><topic>long-term evolution (LTE)</topic><topic>Mobile communication systems</topic><topic>mobile network</topic><topic>optimization</topic><topic>Parameters</topic><topic>Performance degradation</topic><topic>Power control</topic><topic>Power efficiency</topic><topic>Public transportation</topic><topic>Quality of service architectures</topic><topic>Self tuning</topic><topic>Subways</topic><topic>Traffic congestion</topic><topic>Upgrading</topic><topic>Uplink</topic><topic>Wireless communications</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vallejo-Mora, Ana Belen</creatorcontrib><creatorcontrib>Toril, Matias</creatorcontrib><creatorcontrib>Luna-Ramirez, Salvador</creatorcontrib><creatorcontrib>Mendo, Adriano</creatorcontrib><creatorcontrib>Pedraza, Salvador</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 Online</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on vehicular technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vallejo-Mora, Ana Belen</au><au>Toril, Matias</au><au>Luna-Ramirez, Salvador</au><au>Mendo, Adriano</au><au>Pedraza, Salvador</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Congestion Relief in Subway Areas by Tuning Uplink Power Control in LTE</atitle><jtitle>IEEE transactions on vehicular technology</jtitle><stitle>TVT</stitle><date>2017-07-01</date><risdate>2017</risdate><volume>66</volume><issue>7</issue><spage>6489</spage><epage>6497</epage><pages>6489-6497</pages><issn>0018-9545</issn><eissn>1939-9359</eissn><coden>ITVTAB</coden><abstract>Providing an adequate quality of service in subway areas is a challenging task in cellular networks, due to the complexity of the indoor propagation and the effects of group mobility. Thus, it is common that traffic congestion appears in subway cells. In this paper, a self-tuning method for uplink power control (ULPC) parameters is proposed to solve congestion problems in long-term evolution (LTE) cells located in a subway network. First, a thorough analysis of congestion phenomena in LTE subway cells is presented. The aim of the analysis is to show how uplink performance is severely degraded with group mobility in subway cells. Then, a heuristic algorithm is proposed to tune the nominal power parameter in ULPC on a cell basis to solve localized congestion problems. The aim of the algorithm is to exploit cell isolation by increasing user transmit power to improve system spectral efficiency and thus reduce the average cell load. 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| ispartof | IEEE transactions on vehicular technology, 2017-07, Vol.66 (7), p.6489-6497 |
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| language | eng |
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| source | IEEE Xplore (Online service) |
| subjects | Algorithms Cellular communication Congestion Handover Heuristic algorithms Heuristic methods Interference Long Term Evolution long-term evolution (LTE) Mobile communication systems mobile network optimization Parameters Performance degradation Power control Power efficiency Public transportation Quality of service architectures Self tuning Subways Traffic congestion Upgrading Uplink Wireless communications |
| title | Congestion Relief in Subway Areas by Tuning Uplink Power Control in LTE |
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