NDLI: A solution to relieve ICI effects on system control information in OFDM-based mobile networks: Conflict coordination on PDCCH via PCI planning

Content Provider	IEEE Xplore Digital Library
Author	Hemin Yang Ruipeng Gao Anpeng Huang Linzhen Xie
Copyright Year	2013
Description	Author affiliation: State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Peking Univ., Beijing, China (Hemin Yang; Anpeng Huang; Linzhen Xie) \|\| PKU-UCLA Joint Res. Inst., Peking Univ., Beijing, China (Ruipeng Gao)
Abstract	In OFDM-based mobile networks, the full-cell coverage of SCI (System-level Control Information) must be guaranteed for a user that can communicate with its eNB (evolved Node Base station) system. The requirement of SCI coverage causes severe ICI (Inter-Cell Interference) effect. Furthermore, the negative effect is intensified owing to single-frequency networking and physical control region configuration in OFDM-based networks. To enhance the reliability of SCI under the coverage constraint, we investigated how SCI is carried in the Physical Downlink Control Channel (PDCCH) in the common search space, and proposed a solution of Conflict Coordination on PDCCH via PCI (Physical Cell Identifier) Planning $(CCP^{3}).$ In our proposal, PCI planning is used to relieve the ICI effect of the SCI. Thus, a heuristic algorithm is developed for the PCI planning since it is an NP-Complete optimization problem. The link-level simulation experiments and numerical analysis results demonstrate that the proposed $CCP^{3}$ can improve effective SINR (Signal to Interference plus Noise Ratio) of PDCCH significantly, and reduce RE (Resource Element)-occupation conflict probability of PDCCH around 50%. To the best of our knowledge, this study is the first effort to strengthen the SCI reliability from the view of networking optimization.
Starting Page	5073
Ending Page	5077
File Size	299688
Page Count	5
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6655386
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Aerospace electronics Optimization Proposals Mobile communication Planning Signal to noise ratio SCI (System-level Control Information) CCP³ (Conflict Coordination on PDCCH via PCI Planning) ICI (Inter-Cell Interference) PDCCH (Physical Downlink Control Channel) PCI (Physical Cell Identifier)
Content Type	Text
Resource Type	Article

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