Himanshu Bhusan Mishra

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WiMAX with its standard IEEE 802.16d/e is the advanced technology used for long range communication with high data rate. It is well known that theorthogonal frequency division multiplexing (OFDM) is a promising technique for getting high data rate in multi path fading environment. Hence the physical layer of WiMAX uses OFDM. But the main disadvantage of(More)
In the recent years internet technologies has become the backbone of any business organization. These organizations use this facility to improve their efficiency by transferring data from one location to another. But, there are number of threats in transferring critical organizational data as any culprit employee may public this data. This problem is known(More)
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