Abstract
We consider a typical wireless data access scenario: a number of mobile clients are interested in a set of data items kept at a common server. A client sends a request to inform the server of its desired data item while the server replies in the common broadcast channel. To study the energy consumption characteristics in such a scenario, we first define a power aware utility function. Based on the utility function, we propose a novel wireless data access scheme, which is a non-cooperative game—wireless data access (WDA) game. Although it does not rely on client caching (without-cache), our theoretical analysis shows that it is not always necessary for clients to send requests to the server. Simulation results confirm that our proposed scheme, compared with a simple always-request one, increases both the utility and lifetime of every client while reducing the number of requests sent, at the cost of slightly larger average query delay.
This research was supported by a grant from the Research Grants Council of the HKSAR under project number HKU 7157/04E.
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Yeung, M.K.H., Kwok, YK. (2005). On Energy Efficient Wireless Data Access: Caching or Not?. In: Jia, X., Wu, J., He, Y. (eds) Mobile Ad-hoc and Sensor Networks. MSN 2005. Lecture Notes in Computer Science, vol 3794. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11599463_52
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DOI: https://doi.org/10.1007/11599463_52
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