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Kim, Hyoil
Wireless & Mobile Networking Lab (WMNL)
Research Interests
  • Wireless networks, cognitive radio, WLAN, LTE, mobile cloud, 5G

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Load Balancing in Two-Tier Cellular Networks with Open and Hybrid Access Femtocells

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dc.contributor.author Kim, Dongmyoung ko
dc.contributor.author Park, Taejun ko
dc.contributor.author Kim, Seongwon ko
dc.contributor.author Kim, Hyoil ko
dc.contributor.author Choi, Sunghyun ko
dc.date.available 2016-01-12T05:57:52Z -
dc.date.created 2016-01-10 ko
dc.date.issued 2016-12 ko
dc.identifier.citation IEEE-ACM TRANSACTIONS ON NETWORKING, v.24, no.6, pp.3397 - 3411 ko
dc.identifier.issn 1063-6692 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/18087 -
dc.description.abstract Femtocell base station (BS) is a low-power, low-price BS based on cellular communication technology. It is expected to become a cost-effective solution for improving the communication performance of indoor users, whose traffic demands are large in general. We propose long-term parameter optimization schemes for open and hybrid femtocells, which maximize the average throughput of macrocell users by offloading the macro users’ downlink traffic to femtocells. To achieve this goal, load balancing between femtocells and macrocells is needed, and hence, we jointly optimize the ratio of dedicated resources for femtocells as well as the femtocell service area in open access femtocell networks via numerical analysis. Then, we extend our algorithm to hybrid access femtocells where some intra-femtocell resources are dedicated only for femtocell owners while remaining resources are shared with foreign macrocell users. Our evaluation results show that the proposed parameter optimization schemes signifi- cantly enhance the performance of macrocell users thanks to the large offloading gain. The benefits provided to femtocell users are also adaptively maintained according to the femtocell users’ requirements. The results in this paper also provide insights about the situations where femtocell deployment on dedicated channels is preferred to the co-channel deployment. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC ko
dc.title Load Balancing in Two-Tier Cellular Networks with Open and Hybrid Access Femtocells ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84960157231 ko
dc.identifier.wosid 000391727900013 ko
dc.type.rims ART ko
dc.identifier.doi 10.1109/TNET.2016.2527835 ko
dc.identifier.url http://ieeexplore.ieee.org/document/7423810/ ko
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