Efficient Processing of Spatial Window Queries for Non-flat Wireless Broadcast

Shen, Jui-Lung; Lu, Ching-Ta; Mai, Chien-Tang

doi:10.1007/978-981-10-3187-8_66

Lecture Notes in Electrical Engineering

2017

DOI: 10.1007/978-981-10-3187-8_66

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Efficient Processing of Spatial Window Queries for Non-flat Wireless Broadcast

Jui-Lung Shen

Ching-Ta Lu

Chien-Tang Mai

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“…This paper extends on previous work reported in [20], providing a more detailed discussion of related work. The proposed spatial air index method is reorganized, and we provide additional comprehensive experiments and discussions.…”

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confidence: 73%

Spatial Air Index Based on Largest Empty Rectangles for Non-Flat Wireless Broadcast in Pervasive Computing

Shen

Chen

Tang

2016

IJGI

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Abstract:In pervasive computing, location-based services (LBSs) are valuable for mobile clients based on their current locations. LBSs use spatial window queries to enable useful applications for mobile clients. Based on skewed access patterns of mobile clients, non-flat wireless broadcast has been shown to efficiently disseminate spatial objects to mobile clients. In this paper, we consider a scenario in which spatial objects are broadcast to mobile clients over a wireless channel in a non-flat broadcast manner to process window queries. For such a scenario, we propose an efficient spatial air index method to handle window query access in non-flat wireless broadcast environments. The concept of largest empty rectangles is used to avoid unnecessary examination of the broadcast content, thus reducing the processing time for window queries. Simulation results show that the proposed spatial air index method outperforms the existing methods under various settings.

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supporting

confidence: 73%

Spatial Air Index Based on Largest Empty Rectangles for Non-Flat Wireless Broadcast in Pervasive Computing

Shen

Chen

Tang

2016

IJGI

Self Cite

View full text Add to dashboard Cite

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Efficient Processing of Spatial Window Queries for Non-flat Wireless Broadcast

Cited by 1 publication

References 9 publications

Spatial Air Index Based on Largest Empty Rectangles for Non-Flat Wireless Broadcast in Pervasive Computing

Spatial Air Index Based on Largest Empty Rectangles for Non-Flat Wireless Broadcast in Pervasive Computing

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