Vasu Chakravarthy

Publication Activity (10 Years)

Years Active: 2005-2016
Publications (10 Years): 1

Top Topics

Generalized Likelihood Ratio

Theoretical Issues

Cognitive Radio

Top Venues

IEEE Trans. Commun.

Publications

Paul Rose, Ruolin Zhou, Yang Qu, Vasu Chakravarthy, Zhiqiang Wu, Zhiping Zhang
Demonstration of hybrid overlay/underlay waveform generator with spectrally compliant cognitive capability via SD-SMSE framework. CCNC (2016)
Joseph Kennedy, John Carlson, Vasu Chakravarthy
Performance evaluation of spectrum sharing technologies. DySPAN (2014)
Sintayehu Dehnie, Vasu Chakravarthy, Zhiqiang Wu, Chittabrata Ghosh, Husheng Li
Spectrum Coexistence Issues: Challenges and Research Directions. MILCOM (2013)
Xue Li, Steven Hong, Vasu Chakravarthy, Michael A. Temple, Zhiqiang Wu
Intercarrier Interference Immune Single Carrier OFDM via Magnitude-Keyed Modulation for High Speed Aerial Vehicle Communication. IEEE Trans. Commun. 61 (2) (2013)
Husheng Li, Sintayehu Dehnie, Vasu Chakravarthy, Zhiqiang Wu
Detection of Cognitive Interference in Wireless Environments: An IQ Test in the Air. MILCOM (2013)
Yang Qu, Xue Li, Ruolin Zhou, Vasu Chakravarthy, Zhiqiang Wu
Software-Defined Radio Based Automatic Blind Hierarchical Modulation Detector via Second-Order Cyclostationary Analysis and Fourth-Order Cumulant. MILCOM (2013)
Husheng Li, Vasu Chakravarthy, Sintayehu Dehnie, Deborah Walter, Zhiqiang Wu
Hybrid Pursuit-Evasion Game between UAVs and RF Emitters with Controllable Observations: A Hawk-Dove Game. GAMENETS (2012)
Husheng Li, Sintayehu Dehnie, Vasu Chakravarthy, Zhiqiang Wu, Yao Ma, Deborah Walter
Spectrum utilization efficiency of cognitive radio systems with limited sampling capability: The impact of spectrum non-contiguity. DySPAN (2012)
Husheng Li, Vasu Chakravarthy, Sintayehu Dehnie, Zhiqiang Wu
Primary User Emulation Attack Game in Cognitive Radio Networks: Queuing Aware Dogfight in Spectrum. GAMENETS (2012)
Shuangqing Wei, Rajgopal Kannan, Vasu Chakravarthy, Murali Rangaswamy
CSI Usage over Parallel Fading Channels under Jamming Attacks: A Game Theory Study. IEEE Trans. Commun. 60 (4) (2012)
Xue Li, Vasu Chakravarthy, Bin Wang, Zhiqiang Wu
Spreading Code Design of Adaptive Non-Contiguous SOFDM for Dynamic Spectrum Access. IEEE J. Sel. Top. Signal Process. 5 (1) (2011)
Shuangqing Wei, Vasu Chakravarthy, Zhiqiang Wu, Rajgopal Kannan
Sensing and Transmission in Probabilistically Interference-Limited Cognitive Radio Systems. GLOBECOM (2011)
Ruolin Zhou, Xue Li, Vasu Chakravarthy, Zhiqiang Wu
Software Defined Radio Implementation of SMSE Based Overlay Cognitive Radio in High Mobility Environment. GLOBECOM (2011)
Xue Li, Zhijin Wu, Vasu Chakravarthy, Zhiqiang Wu
A Low-Complexity Approximation to Lognormal Sum Distributions via Transformed Log Skew Normal Distribution. IEEE Trans. Veh. Technol. 60 (8) (2011)
Vasu Chakravarthy, Xue Li, Ruolin Zhou, Zhiqiang Wu, Michael A. Temple
Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency-part II: analysis in fading channels. IEEE Trans. Commun. 58 (6) (2010)
Xue Li, Ruolin Zhou, Vasu Chakravarthy, Steven Hong, Zhiqiang Wu
Total Intercarrier Interference Cancellation for OFDM Mobile Communication Systems. CCNC (2010)
Rajgopal Kannan, Shuangqing Wei, Vasu Chakravarthy, Muralidhar Rangaswamy
Approximation algorithms for minimum energy transmission scheduling in rate and duty-cycle constrained wireless networks. IEEE/ACM Trans. Netw. 18 (1) (2010)
Ruolin Zhou, Qian Han, Reginald Cooper, Vasu Chakravarthy, Zhiqiang Wu
A Software Defined Radio Based Adaptive Interference Avoidance TDCS Cognitive Radio. ICC (2010)
Vasu Chakravarthy, Xue Li, Zhiqiang Wu, Michael A. Temple, F. Garber, Rajgopal Kannan, Athanasios V. Vasilakos
Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency- part i: theoretical framework and analysis in AWGN channel. IEEE Trans. Commun. 57 (12) (2009)
Eric C. Like, Vasu Chakravarthy, E. Paul Ratazzi, Zhiqiang Wu
Signal Classification in Fading Channels Using Cyclic Spectral Analysis. EURASIP J. Wirel. Commun. Netw. 2009 (2009)
Vasu Chakravarthy, Xue Li, Ruolin Zhou, Zhiqiang Wu, Michael A. Temple
A novel hybrid overlay/underlay Cognitive Radio waveform in frequency selective fading channels. CrownCom (2009)
Robert C. Qiu, Nan Guo, Husheng Li, Zhiqiang Wu, Vasu Chakravarthy, Yu Song, Zhen Hu, Peng Zhang, Zhe Chen
2009, 9, 6530-6603. Sensors 9 (9) (2009)
Robert C. Qiu, Nan Guo, Husheng Li, Zhiqiang Wu, Vasu Chakravarthy, Yu Song, Zhen Hu, Peng Zhang, Zhe Chen
A Unified Multi-Functional Dynamic Spectrum Access Framework: Tutorial, Theory and Multi-GHz Wideband Testbed. Sensors 9 (8) (2009)
Ruolin Zhou, Xue Li, Vasu Chakravarthy, Bin Wang, Zhiqiang Wu
Inter-carrier interference self-cancellation in synchronous downlink MC-CDMA system. IWCMC (2009)
Zhijin Wu, Xue Li, Robert Husnay, Vasu Chakravarthy, Bin Wang, Zhiqiang Wu
A novel highly accurate log skew normal approximation method to lognormal sum distributions. WCNC (2009)
Xue Li, Ruolin Zhou, Vasu Chakravarthy, Zhiqiang Wu
Intercarrier Interference Immune Single Carrier OFDM via Magnitude Shift Keying Modulation. GLOBECOM (2009)
Eric C. Like, Vasu Chakravarthy, Robert Husnay, Zhiqiang Wu
Modulation Recognition in Multipath Fading Channels Using Cyclic Spectral Analysis. GLOBECOM (2008)
Eric C. Like, Zhiqiang Wu, Vasu Chakravarthy, Wei Su
Modulation Recognition In Fading Channels Using Higher Order Cyclic Cumulants. CrownCom (2007)
Zhiqiang Wu, Eric C. Like, Vasu Chakravarthy
Reliable Modulation Classification at Low SNR Using Spectral Correlation. CCNC (2007)
Rajgopal Kannan, Shuangqing Wei, Vasu Chakravarthy, Murali Rangaswamy
A Fully Polynomial Approximation Algorithm for Collaborative Relaying in Sensor Networks Under Finite Rate Constraints. DCOSS (2007)
Rajgopal Kannan, Shuangqing Wei, Guohui Deng, Vasu Chakravarthy, Murali Rangaswamy
Algorithms for Relaying via Channel Quantization in Finite Rate Feedback Limited Sensor Networks. CISS (2007)
Rajgopal Kannan, Shuangqing Wei, Vasu Chakravarthy, Guna Seetharaman
Using Misbehavior to Analyze Strategic versus Aggregate Energy Minimization in Wireless Sensor Networks. Int. J. Distributed Sens. Networks 2 (3) (2006)
Vasu Chakravarthy, Abel S. Nunez, James P. Stephens, Arnab K. Shaw, Michael A. Temple
TDCS, OFDM, and MC-CDMA: a brief tutorial. IEEE Commun. Mag. 43 (9) (2005)
Vasu Chakravarthy, Arnab K. Shaw, Michael A. Temple, James P. Stephens
Cognitive radio - an adaptive waveform with spectral sharing capability. WCNC (2005)