Cognitive radio - an adaptive waveform with spectral sharing capability. - Vasu Chakravarthy; Arnab K. Shaw; Michael A. Temple; James P. Stephens (WCNC, 2005)

TDCS, OFDM, and MC-CDMA: a brief tutorial. - Vasu Chakravarthy; Abel S. Nunez; James P. Stephens; Arnab K. Shaw; Michael A. Temple (IEEE Commun. Mag., 2005)

Using Misbehavior to Analyze Strategic versus Aggregate Energy Minimization in Wireless Sensor Networks. - Rajgopal Kannan; Shuangqing Wei; Vasu Chakravarthy; Guna Seetharaman (Int. J. Distributed Sens. Networks, 2006)

Reliable Modulation Classification at Low SNR Using Spectral Correlation. - Zhiqiang Wu 001; Eric C. Like; Vasu Chakravarthy (CCNC, 2007)

Algorithms for Relaying via Channel Quantization in Finite Rate Feedback Limited Sensor Networks. - Rajgopal Kannan; Shuangqing Wei; Guohui Deng; Vasu Chakravarthy; Murali Rangaswamy (CISS, 2007)

Modulation Recognition In Fading Channels Using Higher Order Cyclic Cumulants. - Eric C. Like; Zhiqiang Wu 001; Vasu Chakravarthy; Wei Su (CrownCom, 2007)

A Fully Polynomial Approximation Algorithm for Collaborative Relaying in Sensor Networks Under Finite Rate Constraints. - Rajgopal Kannan; Shuangqing Wei; Vasu Chakravarthy; Murali Rangaswamy (DCOSS, 2007)

Performance Evaluation of Adaptive Non-contiguous MC-CDMA and Non-contiguous CI/MC-CDMA for Dynamic Spectrum Access. - Zhiqiang Wu 001; E. Paul Ratazzi; Vasu Devan Chakravarthy; Lang Hong (CrownCom, 2008)

Modulation Recognition in Multipath Fading Channels Using Cyclic Spectral Analysis. - Eric C. Like; Vasu Chakravarthy; Robert Husnay; Zhiqiang Wu 001 (GLOBECOM, 2008)

A novel hybrid overlay/underlay Cognitive Radio waveform in frequency selective fading channels. - Vasu Chakravarthy; Xue Li 002; Ruolin Zhou; Zhiqiang Wu 001; Michael A. Temple (CrownCom, 2009)

Intercarrier Interference Immune Single Carrier OFDM via Magnitude Shift Keying Modulation. - Xue Li 002; Ruolin Zhou; Vasu Chakravarthy; Zhiqiang Wu 001 (GLOBECOM, 2009)

Inter-carrier interference self-cancellation in synchronous downlink MC-CDMA system. - Ruolin Zhou; Xue Li 002; Vasu Chakravarthy; Bin Wang 002; Zhiqiang Wu 001 (IWCMC, 2009)

A novel highly accurate log skew normal approximation method to lognormal sum distributions. - Zhijin Wu; Xue Li 002; Robert Husnay; Vasu Chakravarthy; Bin Wang 002; Zhiqiang Wu 001 (WCNC, 2009)

Signal Classification in Fading Channels Using Cyclic Spectral Analysis. - Eric C. Like; Vasu Chakravarthy; E. Paul Ratazzi; Zhiqiang Wu 001 (EURASIP J. Wirel. Commun. Netw., 2009)

A Unified Multi-Functional Dynamic Spectrum Access Framework: Tutorial, Theory and Multi-GHz Wideband Testbed. - Robert C. Qiu; Nan Guo; Husheng Li; Zhiqiang Wu 001; Vasu Chakravarthy; Yu Song; Zhen Hu; Peng Zhang 019; Zhe Chen (Sensors, 2009)

Qiu, R. et al. A Unified Multi-Functional Dynamic Spectrum Access Framework: Tutorial, Theory and Multi-GHzWideband Testbed. Sensors 2009, 9, 6530-6603. - Robert C. Qiu; Nan Guo; Husheng Li; Zhiqiang Wu 001; Vasu Chakravarthy; Yu Song; Zhen Hu; Peng Zhang 019; Zhe Chen (Sensors, 2009)

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 002; Zhiqiang Wu 001; Michael A. Temple; F. Garber; Rajgopal Kannan; Athanasios V. Vasilakos (IEEE Trans. Commun., 2009)

Total Intercarrier Interference Cancellation for OFDM Mobile Communication Systems. - Xue Li 002; Ruolin Zhou; Vasu Chakravarthy; Steven Hong; Zhiqiang Wu 001 (CCNC, 2010)

A Software Defined Radio Based Adaptive Interference Avoidance TDCS Cognitive Radio. - Ruolin Zhou; Qian Han; Reginald Cooper; Vasu Chakravarthy; Zhiqiang Wu 001 (ICC, 2010)

Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency-part II: analysis in fading channels. - Vasu Chakravarthy; Xue Li 002; Ruolin Zhou; Zhiqiang Wu 001; Michael A. Temple (IEEE Trans. Commun., 2010)

Approximation algorithms for minimum energy transmission scheduling in rate and duty-cycle constrained wireless networks. - Rajgopal Kannan; Shuangqing Wei; Vasu Chakravarthy; Muralidhar Rangaswamy (IEEE/ACM Trans. Netw., 2010)

Sensing and Transmission in Probabilistically Interference-Limited Cognitive Radio Systems. - Shuangqing Wei; Vasu Chakravarthy; Zhiqiang Wu 001; Rajgopal Kannan (GLOBECOM, 2011)

Software Defined Radio Implementation of SMSE Based Overlay Cognitive Radio in High Mobility Environment. - Ruolin Zhou; Xue Li 002; Vasu Chakravarthy; Zhiqiang Wu 001 (GLOBECOM, 2011)

Performance of Highly Mobile Cognitive Radio Networks with Directional Antennas. - Robert Murawski; Eylem Ekici; Vasu Devan Chakravarthy; William K. McQuay (ICC, 2011)

Spreading Code Design of Adaptive Non-Contiguous SOFDM for Dynamic Spectrum Access. - Xue Li 002; Vasu Chakravarthy; Bin Wang 002; Zhiqiang Wu 001 (IEEE J. Sel. Top. Signal Process., 2011)

A Low-Complexity Approximation to Lognormal Sum Distributions via Transformed Log Skew Normal Distribution. - Xue Li 002; Zhijin Wu; Vasu Chakravarthy; Zhiqiang Wu 001 (IEEE Trans. Veh. Technol., 2011)

Spectrum utilization efficiency of cognitive radio systems with limited sampling capability: The impact of spectrum non-contiguity. - Husheng Li; Sintayehu Dehnie; Vasu Chakravarthy; Zhiqiang Wu 001; Yao Ma 004; Deborah Walter (DySPAN, 2012)

Primary User Emulation Attack Game in Cognitive Radio Networks: Queuing Aware Dogfight in Spectrum. - Husheng Li; Vasu Chakravarthy; Sintayehu Dehnie; Zhiqiang Wu 001 (GAMENETS, 2012)

Hybrid Pursuit-Evasion Game between UAVs and RF Emitters with Controllable Observations: A Hawk-Dove Game. - Husheng Li; Vasu Chakravarthy; Sintayehu Dehnie; Deborah Walter; Zhiqiang Wu 001 (GAMENETS, 2012)

CSI Usage over Parallel Fading Channels under Jamming Attacks: A Game Theory Study. - Shuangqing Wei; Rajgopal Kannan; Vasu Chakravarthy; Murali Rangaswamy (IEEE Trans. Commun., 2012)

Spectrum Coexistence Issues: Challenges and Research Directions. - Sintayehu Dehnie; Vasu Chakravarthy; Zhiqiang Wu 001; Chittabrata Ghosh; Husheng Li (MILCOM, 2013)

Detection of Cognitive Interference in Wireless Environments: An IQ Test in the Air. - Husheng Li; Sintayehu Dehnie; Vasu Chakravarthy; Zhiqiang Wu 001 (MILCOM, 2013)

Software-Defined Radio Based Automatic Blind Hierarchical Modulation Detector via Second-Order Cyclostationary Analysis and Fourth-Order Cumulant. - Yang Qu; Xue Li 002; Ruolin Zhou; Vasu Chakravarthy; Zhiqiang Wu 001 (MILCOM, 2013)

Intercarrier Interference Immune Single Carrier OFDM via Magnitude-Keyed Modulation for High Speed Aerial Vehicle Communication. - Xue Li 002; Steven Hong; Vasu Chakravarthy; Michael A. Temple; Zhiqiang Wu 001 (IEEE Trans. Commun., 2013)

Performance evaluation of spectrum sharing technologies. - Joseph Kennedy; John Carlson; Vasu Chakravarthy (DySPAN, 2014)

On the Near-Optimality of Training-Based GLRT Spectrum Sensing. - Yao Ma 004; Sintayehu Dehnie; Vasu Devan Chakravarthy (IEEE Trans. Wirel. Commun., 2015)

Demonstration of hybrid overlay/underlay waveform generator with spectrally compliant cognitive capability via SD-SMSE framework. - Paul Rose; Ruolin Zhou; Yang Qu; Vasu Chakravarthy; Zhiqiang Wu 001; Zhiping Zhang (CCNC, 2016)