Vasu Chakravarthy

Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency- part i: theoretical framework and analysis in AWGN channel

Vasu Chakravarthy, Xue Li, Zhiqiang Wu et al. · IEEE Transactions on Communications · 2009 · 149 citations

Wireless Communications, Spectrum Overlay, Engineering +17

TDCS, OFDM, and MC-CDMA: a brief tutorial

Vasu Chakravarthy, Abel S. Nunez, J.P. Stephens et al. · IEEE Communications Magazine · 2005 · 145 citations

Multiple Access Technique, Multi-carrier Communication, Engineering +9

Cognitive radio - an adaptive waveform with spectral sharing capability

Vasu Chakravarthy, A.K. Shaw, Michael A. Temple et al. · 2005 · 98 citations

Radar, Cognitive Radio Resource Management, Dynamic Spectrum Management +11

Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency-part II: analysis in fading channels

Vasu Chakravarthy, Xue Li, Ruolin Zhou et al. · IEEE Transactions on Communications · 2010 · 68 citations

Dynamic Spectrum Management, Cognitive Radio Resource Management, Engineering +10

An Efficient Routing Approach to Maximize the Lifetime of IoT-Based Wireless Sensor Networks in 5G and Beyond

C. Jothikumar, Kadiyala Ramana, Vasu Chakravarthy et al. · Mobile Information Systems · 2021 · 51 citations · Full text

Sensor Networks, Engineering, Wireless Routing +12