Ranjita Singh

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In cloud computing infrastructure, usually cloud user has to rely on cloud service provider for transfer of data into it. It is still a matter of great concern for a cloud user to trust security and reliability of cloud services. There is major need of bringing reliability, transparency and security in cloud model for client satisfaction. The cloud user(More)
Orthogonal frequency division multiple access is a promising candidate for multiple access. It was originally proposed for cable TV (CATV) networks in Europe. Recently it has been considered in IEEE-802.16 Wireless Metropolitan Area Network. [2] OFDMA possess finer granularity in resource allocation. If we get channel state information at the transmitter,(More)
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