Coherent Wideband Direct Localization: Challenges and Recent Results

Abstract

Theoretical analysis of coherent direct localization by a distributed array promises great accuracy. Simulations of proposed localization algorithms confirmed this. The concept was verified experimentally by a prototype system. Challenges associated with this localization are high computational cost, the ambiguity problem, and requirements for fine synchronization and accurate knowledge of the array’s element positions. A number of solutions are discussed. The greatest gains would be in improving link performance in wireless networks.