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Capacity Analysis and Optimization of Millimeter Wave Cellular Networks with Beam Scanning
XU Rui 1, FAN Jian-Cun 1 * #, ZHANG Ying 2, LUO Xin-Min 2
1. School of Electronic and Information Engineering, Xi\'an Jiaotong University, Xi\'an 710049
2. School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049
*Correspondence author
#Submitted by
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Funding: China Postdoctoral Science Foundation (No.2014M560780 and 2015T81031)
Opened online:10 May 2017
Accepted by: none
Citation: XU Rui, FAN Jian-Cun, ZHANG Ying.Capacity Analysis and Optimization of Millimeter Wave Cellular Networks with Beam Scanning[OL]. [10 May 2017] http://en.paper.edu.cn/en_releasepaper/content/4729092
 
 
Millimeter wave have received more and more attention to meet the remarkable growth of wireless data traffic due to the massive available bandwidths. In this paper, we will analyze and optimize the system performance of emph{millimeter Waves} communication with directional cell discovery based on beam scanning. We first establish the system model with beam scanning and analyze the corresponding system performance considering the relationship between the number of beam scanning and the beamforming gain. Since changing the number of beam scanning,$K$, is corresponding to adjust the cell searching delay, $K$ can be optimized to maximum the system capacity and reduce pilot signal overhead. The simulation and analysis show that there exists an optimal $K$ which not only makes the system capacity maximum but also trade off the cell searching delay and the beam gain.
Keywords:Millimeter wave communication, beam scanning, cell discover, beam gain, scanning delay
 
 
 

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