Directional Source Localization Based on RSS-AOA Combined Measurements  

作　　者：Peiliang Zuo Tao Peng Hao Wu Kangyong You Hanbo Jing Wenbin Guo Wenbo Wang 

机构地区：[1]Wireless Signal Processing and Network Laboratory,Key Laboratory of Universal Wireless Communication,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China [2]Department of Electronic and Communication Engineering,Beijing Electronic Science&Technology Institute,Beijing 100070,China [3]th Research Institute of China Electronics Technology Group Corporation(CETC),Guangzhou 510310,China [4]Beijing Institute of Remote Sensing Equipment,Beijing 100854,China

出　　处：《China Communications》2020年第11期181-193,共13页中国通信（英文版）

基　　金：supported in part by Beijing Natural Science Foundation(No.19L2002);in part by the National Natural Science Foundation of China(No.61631004);in part by BUPT Excellent Ph.D.students Foundation(No.CX2019312).

摘　　要：Source localization plays an indispensable role in many applications.This paper addresses the directional source localization problem in a three-dimensional(3D)wireless sensor network using hybrid received-signal-strength(RSS)and angle-of-arrival(AOA)measurements.Both the position and transmission orientation of the source are to be estimated.In the considered positioning scenario,the angle and range measurements are respectively corresponding to the AOA model and RSS model that integrates the Gaussian-shaped radiation pattern.Given that the localization problem is non-convex and the unknown parameters therein are coupled together,this paper adopts the second-order cone relaxation and alternating optimization techniques in the proposed estimation algorithm.Moreover,to provide a performance benchmark for any localization method,the corresponding Cramer-Rao lower bounds(CRLB)of estimating the unknown position and transmission orientation of the source are derived.Numerical and simulation results demonstrate that the presented algorithm effectively resolves the problem,and its estimation performance is close to the CRLB for the localization with the hybrid measurements.

关 键 词：localization directional source CRLB RSS AOA wireless sensor network(WSN) second-order cone programming(SOCP) 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置] TN929.5[自动化与计算机技术—控制科学与工程]