Subbaiah Shanmugavel

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In the case of multimedia call, in ATM networks each of its substreams (i.e., video, audio and data) has its own distinct QoS requirements viz., Cell Loss Ratio (CLR), Cell Transfer delay (CTD) and Cell Delay Variation (CDV). The network attempts to deliver the required QoS by allocating an appropriate amount of resources (e.g. Bandwidth, Buffers) to the(More)
Cognitive Radio is a novel technology that can potentially improve the utilization efficiency of the radio spectrum by opportunistically using the unused frequency bands. Spectrum sensing is the key function of cognitive radio technology. However, detection is compromised when a user experiences shadowing or fading effects. In such cases, user cannot(More)
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