Published May 4, 2014
| Version v1
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ZIV-ZAKAI LOWER BOUND FOR UWB BASED TOA ESTIMATION WITH UNKNOWN INTERFERENCE
Authors/Creators
- 1. Université catholique de Louvain
- 2. Centre Tecnològic de Telecomunicacions de Catalunya (CTTC)
Description
This paper derives the Ziv-Zakai lower bound (ZZLB) for the time of arrival (TOA) estimation in the presence of one interfering pulse from which no a priori knowledge is available. The bound is obtained by including the interference in the system model but only the transmitted pulse as a candidate for the likelihood ratio (LR) test. A compact ZZLB expression that depends on the time delay and amplitude of the interference is obtained. We compare the performance of the first path maximum likelihood estimation (MLE) with the bound as a function of the relative distance between the first path and the interfering path.
Notes
Grant numbers : The authors would like to thank the Spanish Ministry of Economy and Competitiveness project TEC2012-39143 (SOSRAD).© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
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