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However, in order to obtain maximum benefits from the reduced power subframes, setting the key system parameters, such as the amount of power reduction, carries critical importance. Using stochastic geometry, this paper lays down a theoretical foundation for the performance evaluation of HetNets with reduced power subframes and range expansion bias. The analytic expressions for average capacity and 5th percentile throughput are derived as a function of transmit powers, node densities, and interference coordination parameters in a two-tier HetNet scenario and are validated through Monte Carlo simulations. Joint optimization of range expansion bias, power reduction factor, scheduling thresholds, and duty cycle of reduced power subframes is performed to study the trade-offs between aggregate capacity of a cell and fairness among the users. To validate our analysis, we also compare the stochastic geometry-based theoretical results with the real macro base station (MBS) deployment (in the city of London) and the hexagonal grid model. Our analysis shows that with optimum parameter settings, the LTE Rel. 11 with reduced power subframes can provide substantially better performance than the LTE Rel. 10 with almost blank subframes, in terms of both aggregate capacity and fairness.<\/jats:p>","DOI":"10.1186\/1687-1499-2014-189","type":"journal-article","created":{"date-parts":[[2014,11,12]],"date-time":"2014-11-12T16:05:02Z","timestamp":1415808302000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Capacity analysis of LTE-Advanced HetNets with reduced power subframes and range expansion"],"prefix":"10.1186","volume":"2014","author":[{"given":"Arvind","family":"Merwaday","sequence":"first","affiliation":[]},{"given":"Sayandev","family":"Mukherjee","sequence":"additional","affiliation":[]},{"given":"Ismail","family":"G\u00fcven\u00e7","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2014,11,12]]},"reference":[{"issue":"3","key":"1004_CR1","doi-asserted-by":"publisher","first-page":"996","DOI":"10.1109\/SURV.2013.052213.00000","volume":"15","author":"H Elsawy","year":"2013","unstructured":"Elsawy H, Hossain E, Haenggi M: Stochastic geometry for modeling, analysis, and design of multi-tier and cognitive cellular wireless networks: a survey. 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