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학술지 Modeling of Adjacent Channel Interference in Heterogeneous Wireless Networks
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저자
김민제, 한영남, 윤영근, 정영준, 이혁제
발행일
201309
출처
IEEE Communications Letters, v.17 no.9, pp.1774-1777
ISSN
1089-7798
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LCOMM.2013.070913.131140
협약과제
13PR4500, 광대역 모바일 핫스팟용 추가 주파수 발굴을 위한 실측기반 무선채널 연구, 정영준
초록
This letter proposes a new model for the aggregate adjacent channel interference (ACI) received from nearby terminal stations (TSs) of heterogeneous wireless networks. It is well known that lognormal distribution approximates the aggregate received signal, but we found that it does not perform well for ACI-modeling among coexisting TSs. We propose a weighted sum of lognormals-based approximation (WSLA) where the probability density function (PDF) of the aggregate ACI appears in the form of a weighted sum of lognormals. The closed-form downlink outage probabilities with both lognormal approximation and WSLA are also derived. Through simulations, we demonstrate that the proposed approximation outperforms the lognormal one. The WSLA can also be applied to a dual slope channel model and extended to model the aggregate interference in inter-cells or sensor networks. © 1997-2012 IEEE.
키워드
adjacent channel interference (ACI), Aggregate interference, lognormal approximation, outage probability
KSP 제안 키워드
Adjacent Channel Interference, Aggregate interference, Dual slope, Heterogeneous wireless networks, New model, Outage probability(OP), Sensor networks, channel model, closed-form, lognormal approximation, lognormal distribution