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Front. Inform. Technol. Electron. Eng.  2011, Vol. 12 Issue (3): 213-220    DOI: 10.1631/jzus.C1000080
    
Monitoring continuous k-nearest neighbor queries in the hybrid wireless network
Young-Mo Kwon, Harim Jung, Yon Dohn Chung*
Department of Computer Science and Engineering, Korea University, Seoul 136-713, Korea  
Monitoring continuous k-nearest neighbor queries in the hybrid wireless network
Young-Mo Kwon, Harim Jung, Yon Dohn Chung*
Department of Computer Science and Engineering, Korea University, Seoul 136-713, Korea
 全文: PDF(222 KB)  
摘要： In a mobile/pervasive computing environment, one of the most important goals of monitoring continuous spatial queries is to reduce communication cost for location-updates. Existing work uses many cellular wireless connections, which would easily become the performance bottleneck of the overall system. This paper introduces a novel continuous kNN query monitoring method to reduce communication cost in the hybrid wireless network, where the moving objects in the wireless broadcasting system construct the ad-hoc network. Simulation results prove the efficiency of the proposed method, which leverages the wireless broadcasting channel as well as the WiFi link to alleviate the burden on the cellular uplink communication cost.
关键词： Continuous kNN query monitoring;  Ad-hoc networks;  Wireless broadcasting systems    
Abstract: In a mobile/pervasive computing environment, one of the most important goals of monitoring continuous spatial queries is to reduce communication cost for location-updates. Existing work uses many cellular wireless connections, which would easily become the performance bottleneck of the overall system. This paper introduces a novel continuous kNN query monitoring method to reduce communication cost in the hybrid wireless network, where the moving objects in the wireless broadcasting system construct the ad-hoc network. Simulation results prove the efficiency of the proposed method, which leverages the wireless broadcasting channel as well as the WiFi link to alleviate the burden on the cellular uplink communication cost.
Key words: Continuous kNN query monitoring    Ad-hoc networks    Wireless broadcasting systems
收稿日期: 2010-04-01 出版日期: 2011-03-09
CLC:  TP393  
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Young-Mo Kwon
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Young-Mo Kwon, Harim Jung, Yon Dohn Chung. Monitoring continuous k-nearest neighbor queries in the hybrid wireless network. Front. Inform. Technol. Electron. Eng., 2011, 12(3): 213-220.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C1000080    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2011/V12/I3/213

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