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Signal Processing for Location Estimation and Tracking in Wireless Environments

  1. 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

    Content type: Research Article

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  2. 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

    Content type: Research Article

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  3. 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

    Content type: Research Article

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  4. 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

    Content type: Research Article

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  5. 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

    Content type: Research Article

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  6. 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

    Content type: Research Article

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  7. 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

    Content type: Research Article

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  8. 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

    Content type: Research Article

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  9. 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

    Content type: Research Article

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  10. 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

    Content type: Research Article

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  11. 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

    Content type: Research Article

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  12. 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

    Content type: Research Article

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