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Signal Processing for Location Estimation and Tracking in Wireless Environments

  1. Content type: Research Article

    In topology-based localization, each node in a network computes its hop-count distance to a finite number of reference nodes, or "landmarks". This paper studies the impact of landmark placement on the accuracy...

    Authors: Farid Benbadis, Katia Obraczka, Jorge Cortés and Alexandre Brandwajn

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:275658

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  2. Content type: Research Article

    Using radio signal strength (RSS) in sensor networks localization is an attractive method since it is a cost-efficient method to provide range indication. In this paper, we present a two-tier distributed appro...

    Authors: Hongbin Li, Xingfa Shen, Jun Zhao, Zhi Wang and Youxian Sun

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:216181

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  3. Content type: Research Article

    The mobile terminal positioning problem is categorized into three different types according to the availability of (1) initial accurate location information and (2) motion measurement data. Location estimation re...

    Authors: Mohamed Khalaf-Allah

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:317252

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  4. Content type: Research Article

    The existence of undetected direct path (UDP) conditions causes occurrence of unexpected large random ranging errors which pose a serious challenge to precise indoor localization using time of arrival (ToA). T...

    Authors: Mohammad Heidari and Kaveh Pahlavan

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:241069

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  5. Content type: Research Article

    We investigate the maximum likelihood (ML) direction-of-arrival (DOA) estimation of multiple wideband sources in the presence of unknown nonuniform sensor noise. New closed-form expression for the direction es...

    Authors: C. E. Chen, F. Lorenzelli, R. E. Hudson and K. Yao

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:835079

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  6. Content type: Research Article

    The theoretical and practical performance limits of a 2D ultrawideband impulse-radio localization system operating in the far field are studied under the assumption that estimates of location are based on time...

    Authors: Richard J. Barton and Divya Rao

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:236791

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  7. Content type: Research Article

    In recent years, more and more wireless communications systems are required to provide also a positioning measurement. In code division multiple access (CDMA) communication systems, the positioning accuracy is...

    Authors: Itsik Bergel, Efrat Isack and Hagit Messer

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:170804

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  8. Content type: Research Article

    The ever-increasing public interest in location and positioning services has originated a demand for higher performance global navigation satellite systems (GNSSs). In order to achieve this incremental perform...

    Authors: Mohammad Zahidul H. Bhuiyan, Elena Simona Lohan and Markku Renfors

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:863629

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  9. Content type: Research Article

    This paper proposes a geometric method to locate a mobile station (MS) in a mobile cellular network when both the range and angle measurements are corrupted by non-line-of-sight (NLOS) errors. The MS location ...

    Authors: Hong Tang, Yongwan Park and Tianshuang Qiu

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:682528

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  10. Content type: Research Article

    Ultra-wideband (UWB) technology enables a high temporal resolution of the propagation channel. Consequently, a channel impulse response between transmitter and receiver can be interpreted as signature for thei...

    Authors: Christoph Steiner, Frank Althaus, Florian Troesch and Armin Wittneben

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:296937

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  11. Content type: Research Article

    Positioning can be done by means of triangulation in which triples of position-aware nodes estimate a neighbor's position with the help of distances. If a larger number of nodes exist, multiple position estima...

    Authors: Thomas Haenselmann, Marcel Busse, Thomas King and Wolfgang Effelsberg

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:281635

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  12. Content type: Research Article

    Non-line-of-sight (NLOS) identification and mitigation carry significant importance in wireless localization systems. In this paper, we propose a novel NLOS identification technique based on the multipath chan...

    Authors: İsmail Güvenç, Chia-Chin Chong, Fujio Watanabe and Hiroshi Inamura

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2008:271984

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