NDLI: Femtocell power control by discrimination of indoor and outdoor users

Content Provider	IEEE Xplore Digital Library
Author	Kyong-Tak Cho Junsik Kim Gwangil Jeon Byung Han Ryu Namhoon Park
Copyright Year	2011
Description	Author affiliation: Department of Computer Engineering, Korea Polytechnic University, Siheung, Korea (Gwangil Jeon) \|\| ETRI (Electronics and Telecommunications Research Institute), Daejeon, Korea (Kyong-Tak Cho; Junsik Kim; Byung Han Ryu; Namhoon Park)
Abstract	Femtocells are usually deployed in an indoor environment to provide in-building coverage enhancements. However, femtocells get to provide services for not only indoor users but also outdoor users in vicinity. Without the knowledge from the femtocell of whether the serviced users are located indoor or outdoor, the outdoor users are likely to experience low Quality of Service (QoS) due to inefficient coverage management and power control from the femtocells. To resolve such problem, this paper provides a method of discriminating indoor and outdoor users in a simplified way. Also, based on such discrimination, a downlink power control scheme is provided. Through simulations, we show that the discrimination procedure achieves 97.48% of correct determination in environment with low shadowing effect, and 89.41% of correct determination with high shadowing effects. Also based on the proposed discrimination procedure, power control exploiting such information provides a 31.96% reduction of outage probability, and a 8dB performance gain for cell-edge HUEs, compared to a power control with random discrimination.
Starting Page	1
Ending Page	6
File Size	253776
Page Count	6
File Format	PDF
ISBN	9781457701627
ISSN	19345070
e-ISBN	9781457701610
DOI	10.1109/WTS.2011.5960834
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Base stations Power control Interference Downlink Ultrafast electronics Signal to noise ratio Shadow mapping
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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