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Thus, a user selection scheme that considers intercell interference is essential to increase the sum rate. The proposed scheme is based on an interference-aware precoding. It sequentially selects users such that the sum rate is maximized. In particular, we develop a simple incremental metric for the sum rate. The use of the derived metric enables a significant reduction in the computational complexity of the user selection process, as compared to the optimal exhaustive search. Numerical results show that the proposed scheme provides near-optimal performance with substantially reduced complexity.<\/jats:p>","DOI":"10.1186\/1687-1499-2013-154","type":"journal-article","created":{"date-parts":[[2013,6,5]],"date-time":"2013-06-05T08:03:06Z","timestamp":1370419386000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A low-complexity user selection scheme in a multicell MIMO environment"],"prefix":"10.1186","volume":"2013","author":[{"given":"Doohee","family":"Kim","sequence":"first","affiliation":[]},{"given":"Oh-Soon","family":"Shin","sequence":"additional","affiliation":[]},{"given":"Kwang Bok","family":"Lee","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2013,6,5]]},"reference":[{"issue":"11","key":"776_CR1","doi-asserted-by":"publisher","first-page":"334","DOI":"10.1109\/4234.892193","volume":"4","author":"S Catreux","year":"2000","unstructured":"Catreux S, Driessen PF, Greenstein LJ: Simulation results for an interference-limited multiple-input multiple-output cellular system. 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