Analysis of Blockage Sensing by Radars in Random Cellular Networks

被引：18
作者：
Park, Jeonghun [1 ]
Heath, Robert W., Jr. [2 ]
机构：
[1] Qualcomm Wireless R&D, San Diego, CA 92121 USA
[2] Univ Texas Austin, Dept Elect & Comp Engn, Wireless Networking & Commun Grp, Austin, TX 78701 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 2018年 / 25卷 / 11期
基金：
美国国家科学基金会;
关键词：
Radars; stochastic geometry; cellular networks; blockage sensing;
D O I：
10.1109/LSP.2018.2869279
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We characterize the detection probability of blockage sensing by radars deployed on towers in cellular networks. If the signal-to-interference ratio of the reflected pilot signal is larger than the predefined threshold and there is no other blockage between the radar and the corresponding blockage, the radar successfully detects the blockage. Modeling radar and blockage locations using stochastic geometry, we derive the detection probability as a function of the system parameters, chiefly the radar and blockage densities. Leveraging the obtained expression, we provide some guidelines for efficiently deploying radars to enhance the detection probability.
引用
收藏
页码：1620 / 1624
页数：5
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