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Improved energy detection receiver for ranging in IEEE 802.15.4a standard

  • Abdelmadjid Maali (a1), Geneviève Baudoin (a2) and Ammar Mesloub (a1)
Abstract

In this paper, we propose a novel energy detection (ED) receiver architecture combined with time-of-arrival (TOA) estimation algorithm, compliant to the IEEE 802.15.4a standard. The architecture is based on double overlapping integrators and a sliding correlator. It exploits a series of ternary preamble sequences with perfect autocorrelation property. This property ensures coding gain, which allows an accurate estimation of power delay profile (PDP). To improve TOA estimation, the interpolation of PDP samples is proposed and the architecture is validated by using an ultra-wideband signals measurements platform. These measurements are carried out in line-of-sight and non-line-of-sight multipath environments. The experimental results show that the ranging performances obtained by the proposed architecture are higher than those obtained by the conventional architecture based on a single-integrator in both LOS and NLOS environments.

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Copyright
Corresponding author
Corresponding author: A. Maali Email: abdelmadjid.maali@esiee.fr
References
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[1]Karapistoli, E.; Pavlidou, F.-N.; Gragopoulos, I.; Tsetsinas, I.: An overview of the IEEE 802.15.4a Standard. IEEE Commun. Mag., 48 (1) (2010), 4753.
[2]Kwok, Y.S.; Chin, F.; Peng, X.: Ranging mechanism, preamble generation, and performance with IEEE802.15.4a Low-Rate Low-Power UWB Systems, in Proc. IEEE Int. Conf. ICUWB, Waltham, MA, USA, 2006, 525530.
[3]D'Amico, A.; Mengali, U.; Taponecco, L.: TOA estimation with the IEEE 802.15.4a standard. IEEE Trans. Wireless Commun., 9 (7) (2010), 22382247.
[4]IEEE 2007, Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (WPANs). Amendment 1: Add Alternate PHYs, IEEE, 2007.
[5]Lei, Z.; Chin, F.; Kwok, Y.-S.: UWB ranging with energy detectors using ternary preamble sequences, in Proc. IEEE Wireless Communications & Networking Conf., WCNC, Las Vegas, NV, USA, 2006, 872877.
[6]Dazhong, M.; Zhengding, Q.; Xiong, Z.: A multi-scale TOA estimation method for ultra wide band non-coherent energy detection receiver, in Proc. IET ICWMMN Conf., Beijing, China, 2008, 164167.
[7]Geiger, B.: Ranging in the IEEE 802.15.4a standard using energy detectors, in Proc. IEEE EUROCON Conf., St.-Petersburg, Russia, May 2009, 19481955.
[8]Geiger, B.; Gigl, T.; Witrisal, K.: Enhanced-accuracy channel estimation and ranging for IR-UWB energy detectors, in Proc. IEEE ICUWB Conf., Nanjing, China, 2010, 16.
[9]Maali, A.; Mesloub, A.; Djeddou, M.; Mimoun, H.; Baudoin, G.; Ouldali, A.: Adaptive CA-CFAR threshold for non-coherent IR-UWB energy detector receivers. IEEE Commun. Lett., 13 (12) (2009), 959961.
[10]System Analysis Module User's Manual PulsON 210 UWB Reference Design: Time Domain Corporation, P210-320-0102B, Aug 2005.
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International Journal of Microwave and Wireless Technologies
  • ISSN: 1759-0787
  • EISSN: 1759-0795
  • URL: /core/journals/international-journal-of-microwave-and-wireless-technologies
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