An Estimation-Based Scanning Method of Mobile Relay 


Vol. 37,  No. 10, pp. 850-857, Oct.  2012


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  Abstract

A moving network is the usage model that provides the mobile stations to the communication service via the mobile relay deployed in the high-speed vehicle. The mobile relay periodically performs the signal strength measurement of the neighbor base stations to select the target base station during the handover procedure. The mobile stations experience the service disruption during the measurement of the mobile relay. In this paper, we propose the estimation based scanning method to overcome the service disruption of the mobile stations connected via the mobile relay. In the proposed method, mobile stations subordinated in the mobile relay periodically measure the signal strength of neighbor base stations in order to perform handover. The measured signal strength is used to estimate the signal strength between the mobile relay and the neighbor base station. We performed simulations in order to evaluate the performance of the proposed method in terms of the estimation accuracy and the overhead due to the exchange of channel information. By the simulation result, The estimation error is less than 4dBm when more than 6 mobile stations are used for the estimation. The overhead caused by the proposed method is less than that caused by the direct measurement of the mobile relay when the data rate is more than 8Mbps.

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  Cite this article

[IEEE Style]

H. Lee and J. Kim, "An Estimation-Based Scanning Method of Mobile Relay," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 850-857, 2012. DOI: .

[ACM Style]

Hyun-Jin Lee and Jae-Hyun Kim. 2012. An Estimation-Based Scanning Method of Mobile Relay. The Journal of Korean Institute of Communications and Information Sciences, 37, 10, (2012), 850-857. DOI: .

[KICS Style]

Hyun-Jin Lee and Jae-Hyun Kim, "An Estimation-Based Scanning Method of Mobile Relay," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 10, pp. 850-857, 10. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880