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In the licensed band, we consider a sensing\u2010based power allocation scheme to maximize the sum data rate of DACSs by jointly optimizing the cell selection, the sensing operation, and the power allocation under the interference constraint to macrocell users. Due to intercell interference and the integer nature of the cell selection, the resulting optimization problems lead to a nonconvex integer programming. We reformulate the problem to a nonconvex power allocation game and find the relaxed equilibria, quasi\u2010Nash equilibrium. Furthermore, in order to guarantee the fairness of the whole system, we propose a dynamic satisfaction\u2010based dual\u2010band traffic balancing (SDTB) algorithm over licensed and unlicensed bands for DACSs which aims at maximizing the overall satisfaction of the system. We obtain the optimal transmission time in the unlicensed band to ensure the proportional fair coexistence with WiFi while guaranteeing the traffic balancing of DACSs. Simulation results demonstrate that the SDTB algorithm could achieve a considerable performance improvement relative to the schemes in literature, while providing a tradeoff between maximizing the total data rate and achieving better fairness among networks.<\/jats:p>","DOI":"10.1155\/2018\/4092681","type":"journal-article","created":{"date-parts":[[2018,1,8]],"date-time":"2018-01-08T23:32:10Z","timestamp":1515454330000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Coexistence of Cognitive Small Cell and WiFi System: A Traffic Balancing Dual\u2010Access Resource Allocation Scheme"],"prefix":"10.1155","volume":"2018","author":[{"given":"Xiaoge","family":"Huang","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7053-7394","authenticated-orcid":false,"given":"Yangyang","family":"Li","sequence":"additional","affiliation":[]},{"given":"She","family":"Tang","sequence":"additional","affiliation":[]},{"given":"Qianbin","family":"Chen","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2018,1,8]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1109\/MSPEC.2013.6395306"},{"key":"e_1_2_9_2_2","doi-asserted-by":"crossref","unstructured":"ApandiN. 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