Cooperative Content Distribution over Wireless Networks for Energy and Delay Minimization
Embargo End Date2013-06-30
Permanent link to this recordhttp://hdl.handle.net/10754/235332
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AbstractContent distribution with mobile-to-mobile cooperation is studied. Data is sent to mobile terminals on a long range link then the terminals exchange the content using an appropriate short range wireless technology. Unicasting and multicasting are investigated, both on the long range and short range links. Energy minimization is formulated as an optimization problem for each scenario, and the optimal solutions are determined in closed form. Moreover, the schemes are applied in public safety vehicular networks, where Long Term Evolution (LTE) network is used for the long range link, while IEEE 802.11 p is considered for inter-vehicle collaboration on the short range links. Finally, relay-based multicasting is applied in high speed trains for energy and delay minimization. Results show that cooperative schemes outperform non-cooperative ones and other previous related work in terms of energy and delay savings. Furthermore, practical implementation aspects of the proposed methods are also discussed.
CitationAtat, R. (2012). Cooperative Content Distribution over Wireless Networks for Energy and Delay Minimization. KAUST Research Repository. https://doi.org/10.25781/KAUST-94380