Advanced Digital HDTV Transmission System for Terrestrial Video Simulcasting. - Samir N. Hulyalkar; Yo-Sung Ho; Kiran S. Challapali; David A. Bryan; Carlo Basile; Hugh White; Newman D. Wilson; Bhavesh Bhatt (IEEE J. Sel. Areas Commun., 1993)

Grand alliance MPEG-2-based video decoder with parallel processing architecture. - Kiran S. Challapali; Alan P. Cavallerano; Richard Shen; Olu Akiwumi-Assani; Aldo Cugnini; Carlo Basile (Int. J. Imaging Syst. Technol., 1994)

The Grand Alliance system for US HDTV. - Kiran S. Challapali; Xavier Lebègue; Jae S. Lim; Woo H. Paik; Régis Saint-Girons; Eric Petajan; Vinay P. Sathe; Paul Snopko; Joel W. Zdepski (Proc. IEEE, 1995)

Fast Computation of Perceptually Optimal Quantization Matrices for MPEG-2 Intra Pictures. - Yingwei Chen; Kiran S. Challapali (ICIP (3), 1998)

Extracting Coding Parameters from Pre-Coded MPEG-2 Video. - Yingwei Chen; Kiran S. Challapali; Mahesh Balakrishnan 002 (ICIP (2), 1998)

Low-cost HD to SD video decoding. - Sharon S. Peng; Kiran S. Challapali (IEEE Trans. Consumer Electron., 1999)

A System for the Automatic Extraction of 3-D Facial Feature Points for Face Model Calibration. - Yong Yan; Kiran S. Challapali (ICIP, 2000)

A novel distortion-quantization model and its application in low bitrate video communications. - Yong Yan; Kiran S. Challapali (ICIP (1), 2002)

Video streaming over wireless LAN with efficient scalable coding and prioritized adaptive transmission. - Yingwei Chen; Jong Chul Ye; Carles Ruiz Floriach; Kiran S. Challapali (ICIP (3), 2003)

Channel adaptive prioritized transmission of layered video over wireless LAN. - Yingwei Chen; Carles Ruiz Floriach; Jong Chul Ye; Kiran S. Challapali (PIMRC, 2003)

Spectrum agile radio: radio resource measurements for opportunistic spectrum usage. - Stefan Mangold; Zhun Zhong; Kiran S. Challapali; Chun-Ting Chou (GLOBECOM, 2004)

Real-time object segmentation and coding for selective-quality video communications. - Kiran S. Challapali; Tomás Brodský; Yun-Ting Lin; Yong Yan; R. Y. Chen (IEEE Trans. Circuits Syst. Video Technol., 2004)

Spectrum agile radio: capacity and QoS implications of dynamic spectrum assignment. - Sai Shankar N.; Chun-Ting Chou; Kiran S. Challapali; Stefan Mangold (GLOBECOM, 2005)

Evolution of spectrum-agile cognitive radios: first wireless internet standard and beyond. - Kiran S. Challapali; Carlos Cordeiro 001; Dagnachew Birru (WICON, 2006)

The MBOA-WiMedia specification for ultra wideband distributed networks. - Javier del Prado Pavon; Sai Shankar N.; Vasanth Gaddam; Kiran S. Challapali; Chun-Ting Chou (IEEE Commun. Mag., 2006)

IEEE 802.22: An Introduction to the First Wireless Standard based on Cognitive Radios. - Carlos Cordeiro 001; Kiran S. Challapali; Dagnachew Birru; Sai Shankar N. (J. Commun., 2006)

An Experimental Approach to Spectrum Sensing in Cognitive Radio Networks with Off-the-Shelf IEEE 802.11 Devices. - Kang G. Shin; Hyoil Kim; Carlos Cordeiro 001; Kiran S. Challapali (CCNC, 2007)

Spectrum Sensing for Dynamic Spectrum Access of TV Bands. - Carlos Cordeiro 001; Monisha Ghosh; Dave Cavalcanti 001; Kiran S. Challapali (CrownCom, 2007)

Spectrum Sensing Prototype for Sensing ATSC and Wireless Microphone Signals. - Monisha Ghosh; Vasanth Gaddam; Gene Turkenich; Kiran S. Challapali (CrownCom, 2008)

Cognitive Radio Based Wireless Sensor Networks. - Dave Cavalcanti 001; Sushanta Das; Jianfeng Wang; Kiran S. Challapali (ICCCN, 2008)

A Case Study of QoS Provisioning in TV-Band Cognitive Radio Networks. - Ashwini Kumar; Kang G. Shin; Jianfeng Wang; Kiran S. Challapali (ICCCN, 2009)

Emerging cognitive radio applications: A survey. - Jianfeng Wang; Monisha Ghosh; Kiran S. Challapali (IEEE Commun. Mag., 2011)

Analysis of QoS Provisioning in Cognitive Radio Networks: A Case Study. - Ashwini Kumar; Jianfeng Wang; Kiran S. Challapali; Kang G. Shin (Wirel. Pers. Commun., 2011)