NDLI: A joint channel allocation and power control scheme for interference mitigation in high-density WLANs

Content Provider	IEEE Xplore Digital Library
Author	Yang Wu Yongmei Sun Yuefeng Ji Jie Mao Yingting Liu
Copyright Year	2013
Description	Author affiliation: Gansu Electr. Power Corp. Inf. & Commun. Co., Lanzhou, China (Jie Mao; Yingting Liu) \|\| State Key Lab. of Inf. Photonics & Opt. Commun., Beijing Univ. of Posts & Telecommun., Beijing, China (Yang Wu; Yongmei Sun; Yuefeng Ji)
Abstract	Wi-Fi devices are popular because of low cost and easy deployment, which lead to high density of WLANs in urban areas. Due to high density, WLANs suffer performance degradation unless networks interfering with each other can allocate wireless resource reasonably. Hence, our goal is to minimize the interference caused by high density of WLANs and in turn it helps improve throughput. In this paper, a joint distributed algorithm is proposed to achieve the goal. Firstly, thirteen overlapping channels are allocated to APs based on principles that neighboring APs have large channel spacing. Secondly, the lowest power value that maintains communication is obtained through estimating locations of users. Then power is adjusted according to SINR ranging from the lowest power value to default power value. Simulation results demonstrate that our presented algorithm enhances performance greatly, in light of user throughput, interference and power, compared to the traditional regimes.
Sponsorship	IEEE Beijing Sect.
Starting Page	98
Ending Page	103
File Size	179753
Page Count	6
File Format	PDF
ISBN	9781479900770
DOI	10.1109/ICCT.2013.6820354
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-11-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Throughput Signal to noise ratio Channel allocation Mathematical model Equations Power control Signal to Interference plus Noise Ratio (SINR) high-density wireless local area network (WLAN) overlapping channel allocation power control Received Signal Strength Indication (RSSI)
Content Type	Text
Resource Type	Article

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