{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,2]],"date-time":"2022-04-02T05:55:40Z","timestamp":1648878940171},"reference-count":11,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2012,1,1]],"date-time":"2012-01-01T00:00:00Z","timestamp":1325376000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Digital Multimedia Broadcasting"],"published-print":{"date-parts":[[2012]]},"abstract":"<jats:p>This paper deals with radio resource allocation in fourth generation (4G) wireless mobile networks based on Orthogonal Frequency Division Multiple Access (OFDMA) as an access method. In IEEE 802.16\u2009m standard, a contiguous method for subchannel construction is adopted in order to reduce OFDMA system complexity. In this context, we propose a new subchannel gain computation method depending on frequency responses dispersion. This method has a crucial role in the resource management and optimization. In a single service access, we propose a dynamic resource allocation algorithm at the physical layer aiming to maximize the cell data rate while ensuring fairness among users. In heterogeneous data traffics, we study scheduling in order to provide delay guaranties to real-time services, maximize throughput of non-real-time services while ensuring fairness to users. We compare performances to recent existing algorithms in OFDMA systems showing that proposed schemes provide lower complexity, higher total system capacity, and fairness among users.<\/jats:p>","DOI":"10.1155\/2012\/431958","type":"journal-article","created":{"date-parts":[[2012,2,9]],"date-time":"2012-02-09T21:03:16Z","timestamp":1328821396000},"page":"1-13","source":"Crossref","is-referenced-by-count":7,"title":["A Gain-Computation Enhancements Resource Allocation for Heterogeneous Service Flows in IEEE 802.16\u2009m Mobile Networks"],"prefix":"10.1155","volume":"2012","author":[{"given":"Wafa","family":"Ben Hassen","sequence":"first","affiliation":[{"name":"Mediatron: Research Unit on Radio Communication and Multimedia Networks, Higher School of Communication of Tunis (Sup\u2019com), Carthage University, Cit\u00e9 Technologique des Communications, Route de Raoued Km 3.5, 2083 El Ghazala, Ariana, Tunisia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meriem","family":"Afif","sequence":"additional","affiliation":[{"name":"Mediatron: Research Unit on Radio Communication and Multimedia Networks, Higher School of Communication of Tunis (Sup\u2019com), Carthage University, Cit\u00e9 Technologique des Communications, Route de Raoued Km 3.5, 2083 El Ghazala, Ariana, Tunisia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"98","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/49.793310"},{"issue":"7","key":"3","doi-asserted-by":"crossref","first-page":"1310","DOI":"10.1109\/TCOMM.2006.877962","volume":"54","year":"2006","journal-title":"IEEE Transactions on Communications"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2002.807348"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1049\/iet-com.2009.0487"},{"issue":"3","key":"9","first-page":"61","volume":"29","year":"2006","journal-title":"Journal of Beijing University of Posts and Telecommunications"},{"key":"12","volume":"572","year":"2005"},{"key":"15","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2009.090140"},{"key":"17","doi-asserted-by":"publisher","DOI":"10.1109\/TBC.2003.819525"},{"key":"23","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2005.858010"},{"issue":"5","key":"24","doi-asserted-by":"crossref","first-page":"741","DOI":"10.4218\/etrij.08.0208.0138","volume":"30","year":"2008","journal-title":"ETRI Journal"},{"key":"25","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2006.873832"}],"container-title":["International Journal of Digital Multimedia Broadcasting"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijdmb\/2012\/431958.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijdmb\/2012\/431958.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/ijdmb\/2012\/431958.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,20]],"date-time":"2017-06-20T14:00:45Z","timestamp":1497967245000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/ijdmb\/2012\/431958\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012]]},"references-count":11,"alternative-id":["431958","431958"],"URL":"https:\/\/doi.org\/10.1155\/2012\/431958","relation":{},"ISSN":["1687-7578","1687-7586"],"issn-type":[{"value":"1687-7578","type":"print"},{"value":"1687-7586","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012]]}}}