Faculty Publications - Anant Sahai

Book chapters or sections

• A. Sahai, M. Mishra, and R. Tandra, "Spectrum Sensing: Fundamental Limits," in Cognitive Radios: System Design Perspective, R. W. Brodersen and D. Cabric, Eds., Springer, 2009. [abstract]
• S. Mitter and A. Sahai, "Information and control: Witsenhausen revisited," in Learning, Control and Hybrid Systems, Y. Yamamoto and S. Hara, Eds., Lecture Notes in Control and Information Sciences, Vol. 241, Springer-Verlag, 1999, pp. 281--293. [abstract]

Articles in journals or magazines

• P. Grover, K. A. Woyach, and A. Sahai, "Towards a Communication-Theoretic Understanding of System-Level Power Consumption," IEEE Journal on Selected Areas in Communications, vol. 29, no. 8, pp. 1744 -1755, Sep. 2011. [abstract]
• H. Palaiyanur, C. Chang, and A. Sahai, "The Source Coding Game With a Cheating Switcher," IEEE Transactions on Information Theory, vol. 57, no. 7, pp. 4545 -4560, July 2011. [abstract]
• R. Tandra, A. Sahai, and V. Veeravalli, "Unified space-time metrics to evaluate spectrum sensing," IEEE Communications Magazine, vol. 49, no. 3, pp. 54 -61, March 2011. [abstract]
• A. Sahai and P. Grover, "Demystifying the Witsenhausen Counterexample [Ask the Experts]," IEEE Control Systems Magazine, vol. 30, no. 6, pp. 20 -24, Dec. 2010. [abstract]
• K. Eswaran, A. Sarwate, A. Sahai, and M. Gastpar, "Zero-rate feedback can achieve the empirical capacity," IEEE Transactions on Information Theory, vol. 56, no. 1, pp. 25-39, Jan. 2010. [abstract]
• P. Grover and A. Sahai, "Witsenhausen's counterexample as assisted interference suppression," International Journal of Systems, Control and Communications, vol. 2, no. 1/2/3, pp. 197-237, Jan. 2010. [abstract]
• M. Mishra and A. Sahai, "How much white space has the FCC opened up?," IEEE Communications Letters, 2009. [abstract]
• R. Tandra, M. Mishra, and A. Sahai, "What is a spectrum hole and what does it take to recognize one?," Proceedings of the IEEE, pp. 824-848, May 2009. [abstract]
• A. Sahai, K. A. Woyach, G. Atia, and V. Saligrama, "A technical perspective on light-handed regulation for cognitive radios," IEEE Communications Magazine, vol. 47, no. 3, pp. 96-102, March 2009. [abstract]
• A. Sahai, M. Mishra, R. Tandra, and K. A. Woyach, "Cognitive Radios for Spectrum Sharing," IEEE Signal Processing Magazine, vol. 26, no. 1, pp. 140-146, Jan. 2009. [abstract]
• S. Draper and A. Sahai, "Variable-length channel coding with noisy feedback," European Transactions on Telecommunications: Special Issue on New Directions in Information Theory, vol. 19, no. 4, pp. 355 - 370, June 2008. [abstract]
• A. Sahai, "Why block length and delay behave differently for channel coding with feedback," IEEE Transactions on Information Theory, vol. 54, no. 5, pp. 1860-1886, May 2008. [abstract]
• R. Tandra and A. Sahai, "SNR walls for signal detection," IEEE Journal of Selected Topics in Signal Processing, vol. 2, no. 1, pp. 4 - 17, Feb. 2008. [abstract]
• C. Chang and A. Sahai, "Cramer-Rao-type Bounds for Localization," EURASIP Journal on Applied Signal Processing, vol. 2006, no. 94287, pp. 1-13, 2006. [abstract]
• A. Sahai and S. Mitter, "The necessity and sufficiency of anytime capacity for stabilization of a linear system over a noisy communication link--Part I: Scalar systems," IEEE Trans. Information Theory, vol. 52, no. 8, pp. 3369-3395, Aug. 2006.
• S. Tatikonda, A. Sahai, and S. Mitter, "Stochastic linear control over a communication channel," IEEE Trans. Automatic Control, vol. 49, no. 9, pp. 1549-1561, Sep. 2004.
• N. Agarwal, J. Basch, P. Beckmann, P. Bharti, S. Bloebaum, S. Casadei, A. Chou, P. Enge, W. Fong, N. Hathi, W. Mann, A. Sahai, J. Stone, J. Tsitsiklis, and B. Van Roy, "Algorithms for GPS Operation Indoors and Downtown," GPS Solutions, vol. 6, no. 3, pp. 149-160, Dec. 2002. [abstract]

Articles in conference proceedings

• S. Y. Park and A. Sahai, "It may be “easier to approximate” decentralized infinite-horizon LQG problems," in Proceedings of the 51st IEEE Conference on Decision and Control, IEEE, 2012, pp. 2250-2255. [abstract]
• K. A. Woyach, K. Harrison, G. Ranade, and A. Sahai, "Comments on unknown channels," in Information Theory Workshop (ITW), 2012 IEEE, 2012, pp. 172-176.
• S. Y. Park, G. Ranade, and A. Sahai, "Carry-free models and beyond," in Information Theory Proceedings (ISIT), 2012 IEEE International Symposium on, 2012, pp. 1927 -1931. [abstract]
• P. Grover, A. Goldsmith, and A. Sahai, "Fundamental limits on the power consumption of encoding and decoding," in Information Theory Proceedings (ISIT), 2012 IEEE International Symposium on, 2012, pp. 2716 -2720. [abstract]
• S. Y. Park and A. Sahai, "Network coding meets decentralized control: Capacity-stabilizabililty equivalence," in Decision and Control and European Control Conference (CDC-ECC), 2011 50th IEEE Conference on, 2011, pp. 4817 -4822. [abstract]
• K. A. Woyach, P. Grover, and A. Sahai, "Near vs. Far Field: Interference Aggregation in TV Whitespaces," in Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE, 2011, pp. 1 -5. [abstract]
• J. Zhan, S. Y. Park, M. Gastpar, and A. Sahai, "Function computation in networks: Duality and constant gap results," in Communication, Control, and Computing (Allerton), 2011 49th Annual Allerton Conference on, 2011, pp. 1470 -1477. [abstract]
• P. Grover, A. Goldsmith, A. Sahai, and J. M. Rabaey, "Information theory meets circuit design: Why capacity-approaching codes require more chip area and power," in Communication, Control, and Computing (Allerton), 2011 49th Annual Allerton Conference on, 2011, pp. 1392 -1399. [abstract]
• P. Grover, J. Park, and A. Sahai, "Simple Models for Power Optimization Across Transmission, Equalization and Decoding," in 19th European Signal Processing Conference (EUSIPCO 2011), 2011, pp. 884-888. [abstract]
• S. Y. Park and A. Sahai, "An algebraic mincut-maxflow theorem," in Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on, 2011, pp. 608 -612. [abstract]
• H. Palaiyanur and A. Sahai, "An improvement to the Haroutunian bound for anytime coding systems," in Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on, 2011, pp. 889 -893. [abstract]
• P. Grover and A. Sahai, "The source-simplification aspect of signaling," in Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on, 2011, pp. 2432 -2436. [abstract]
• G. Ranade and A. Sahai, "Implicit communication in multiple-access settings," in Information Theory Proceedings (ISIT), 2011 IEEE International Symposium on, 2011, pp. 998 -1002. [abstract]
• S. Y. Park and A. Sahai, "Intermittent Kalman filtering: Eigenvalue cycles and nonuniform sampling," in American Control Conference (ACC), 2011, 2011, pp. 3692 -3697. [abstract]
• K. Harrison and A. Sahai, "Potential collapse of whitespaces and the prospect for a universal power rule," in New Frontiers in Dynamic Spectrum Access Networks (DySPAN), 2011 IEEE Symposium on, 2011, pp. 316-327.
• K. A. Woyach and A. Sahai, "Why the caged cognitive radio sings," in New Frontiers in Dynamic Spectrum Access Networks (DySPAN), 2011 IEEE Symposium on, 2011, pp. 431 -442. [abstract]
• P. Grover and A. Sahai, "Fundamental bounds on the interconnect complexity of decoder implementations," in Information Sciences and Systems (CISS), 2011 45th Annual Conference on, 2011, pp. 1 -6. [abstract]
• P. Grover and A. Sahai, "Is Witsenhausen's counterexample a relevant toy?," in Decision and Control (CDC), 2010 49th IEEE Conference on, 2010, pp. 585 -590. [abstract]
• P. Grover and A. Sahai, "Implicit and explicit communication in decentralized control," in Communication, Control, and Computing (Allerton), 2010 48th Annual Allerton Conference on, 2010, pp. 278 -285. [abstract]
• P. Grover, K. A. Woyach, H. Palaiyanur, and A. Sahai, "An interference-aware perspective on decoding power," in Turbo Codes and Iterative Information Processing (ISTC), 2010 6th International Symposium on, 2010, pp. 457 -461. [abstract]
• H. Palaiyanur and A. Sahai, "An upper bound for the block coding error exponent with delayed feedback," in Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on, 2010, pp. 246 -250. [abstract]
• P. Grover, H. Palaiyanur, and A. Sahai, "Information-theoretic tradeoffs of throughput and chip power consumption for decoding error-correcting codes," in Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on, 2010, pp. 2373 -2377. [abstract]
• P. Grover and A. Sahai, "Shannon meets Tesla: Wireless information and power transfer," in Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on, 2010, pp. 2363 -2367. [abstract]
• P. Grover and A. Sahai, "Distributed signal cancelation inspired by Witsenhausen's counterexample," in Information Theory Proceedings (ISIT), 2010 IEEE International Symposium on, 2010, pp. 151 -155. [abstract]
• R. Tandra, A. Sahai, and V. Veeravalli, "Space-Time Metrics for Spectrum Sensing," in New Frontiers in Dynamic Spectrum, 2010 IEEE Symposium on, 2010, pp. 1 -12. [abstract]
• H. Palaiyanur, K. A. Woyach, R. Tandra, and A. Sahai, "Spectrum Zoning as Robust Optimization," in New Frontiers in Dynamic Spectrum, 2010 IEEE Symposium on, 2010, pp. 1 -12. [abstract]
• K. Harrison, S. M. Mishra, and A. Sahai, "How Much White-Space Capacity Is There?," in New Frontiers in Dynamic Spectrum, 2010 IEEE Symposium on, 2010, pp. 1 -10. [abstract]
• K. A. Woyach, P. Pyapali, and A. Sahai, "Can We Incentivize Sensing in a Light-Handed Way?," in New Frontiers in Dynamic Spectrum, 2010 IEEE Symposium on, 2010, pp. 1 -12. [abstract]
• P. Grover, A. Wagner, and A. Sahai, "Information Embedding meets Distributed Control," in Proceedings of the IEEE Information Theory Workshop, IEEE, 2010. [abstract]
• S. Y. Park, P. Grover, and A. Sahai, "A constant-factor approximately optimal solution to the Witsenhausen Counterexample," in Proceedings of the IEEE Conference on Decision and Control, IEEE, 2009. [abstract]
• A. Sahai, K. A. Woyach, K. Harrison, H. R. Palaiyanur, and R. Tandra, "Towards ``A Theory of Spectrum Zoning''," in Proceedings of the Allerton Conference on Control, Communications, and Computation, 2009. [abstract]
• P. Grover, S. Y. Park, and A. Sahai, "On the generalized Witsenhausen counterexample," in Proceedings of the Allerton Conference on Control, Communications, and Computation, 2009. [abstract]
• P. Grover and A. Sahai, "Time-division multiplexing for green broadcasting," in Proceedings of the International Symposium on Information Theory, IEEE, 2009. [abstract]
• P. Grover and A. Sahai, "A vector version of Witsenhausen's counterexample: Towards the convergence of control, communication and computation," in Proceedings of the 47th IEEE Conference on Decision and Control, 2008. [abstract]
• R. Tandra and A. Sahai, "Noise calibration, delay coherence and SNR walls for signal detection," in Proceedings of the Third IEEE Symposium on New Directions in Dynamic Spectrum Access Networks, 2008. [abstract]
• A. Parsa, A. Aminzadeh Gohari, and A. Sahai, "Exploiting Interference Diversity for Event-Based Spectrum Sensing," in Proceedings of the Third IEEE Symposium on New Directions in Dynamic Spectrum Access Networks, 2008. [abstract]
• G. Atia, V. Saligrama, and A. Sahai, "Spectrum Enforcement and Liability Assignment in Cognitive Radio Systems," in Proceedings of the Third IEEE Symposium on New Directions in Dynamic Spectrum Access Networks, 2008. [abstract]
• P. Venkitasubramaniam and A. Sahai, "Incentivizing anonymous `peer-to-peer' reviews," in Proceedings of the Forty-Sixth Annual Allerton Conference on Communication, Control, and Computing, 2008. [abstract]
• R. Tandra and A. Sahai, "Overcoming SNR walls through macroscale features," in Proceedings of the Forty-Sixth Annual Allerton Conference on Communication, Control, and Computing, 2008. [abstract]
• K. A. Woyach, A. Sahai, G. Atia, and V. Saligrama, "Crime and Punishment for Cognitive Radios," in Proceedings of the Forty-Sixth Annual Allerton Conference on Communication, Control, and Computing, 2008. [abstract]
• C. Chang and A. Sahai, "Trade-off of lossless source-coding error exponents," in Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008, pp. 1528-1532. [abstract]
• P. Grover and A. Sahai, "Green Codes: Energy-Efficient Short-Range Communication," in Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008, pp. 1178-1182. [abstract]
• H. Palaiyanur and A. Sahai, "On the uniform continuity of the rate-distortion function," in Proceedings of the 2008 {IEEE} International Symposium on Information Theory, 2008, pp. 857-861. [abstract]
• H. Palaiyanur, C. Chang, and A. Sahai, "Lossy compression of active sources," in Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008, pp. 1977-1981. [abstract]
• A. Sahai and S. Draper, "The `hallucination' bound for the BSC," in Proceedings of the IEEE International Symposium on Information Theory, IEEE, 2008, pp. 717-721. [abstract]
• M. Mishra, R. Tandra, and A. Sahai, "The Case for Multiband Sensing," in Proceedings of the 45th Annual Allerton Conference on Control, Communication, and Computation, 2007. [abstract]
• C. Chang and A. Sahai, "Universal Fixed-Length Coding Redundancy," in Proceedings of the 2007 Information Theory Workshop in Lake Tahoe, 2007, pp. 535 - 540. [abstract]
• K. Eswaran, A. D. Sarwate, A. Sahai, and M. Gastpar, "Using zero-rate feedback on binary additive channels with individual noise sequences," in Proc. 2007 IEEE Intl. Symp. on Information Theory (ISIT '07), Piscataway, NJ: IEEE Press, 2007, pp. 1431-1435. [abstract]
• C. Chang and A. Sahai, "Delay-Constrained Source Coding for a Peak Distortion Measure," in Proceedings of the IEEE International Symposium on Information Theory, 2007, pp. 576 - 580. [abstract]
• P. Grover and A. Sahai, "Writing on Rayleigh faded dirt: a computable upper bound to the outage capacity," in Proceedings of the IEEE International Symposium on Information Theory, 2007, pp. 2166--2170. [abstract]
• H. Palaiyanur, C. Chang, and A. Sahai, "The source coding game with a cheating switcher," in Proceedings of the IEEE International Symposium on Information Theory, 2007, pp. 1966--1970. [abstract]
• M. Mishra, R. Tandra, and A. Sahai, "Coexistence with Primary Users of Different Scales," in Proceedings of the 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks, IEEE, 2007, pp. 158-167. [abstract]
• S. Draper and A. Sahai, "Universal Anytime Coding," in Proceedings of the International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks and Workshops: Workshop on Control over Communication Channels, 2007, pp. 1-5. [abstract]
• P. Grover and A. Sahai, "On the Need for Knowledge of the Phase in Exploiting Known Primary Transmissions," in Proceedings of the 2nd International Symposium on New Frontiers in Dynamic Spectrum Access Networks, 2007, pp. 462-471. [abstract]
• R. Tandra and A. Sahai, "SNR Walls for feature detectors," in Proc. of the IEEE Symposium on Dynamic Spectrum Access Networks, IEEE, 2007, pp. 559-570. [abstract]
• C. Chang and A. Sahai, "Universal Quadratic Lower Bounds on Source Coding Error Exponents," in Proceedings of the 41st Annual Conference on Information Sciences and Systems, 2007, pp. 714 - 719. [abstract]
• A. Sahai, M. Mishra, R. Tandra, and N. K. Hoven, "Sensing for communication: the case of cognitive radio," in Proceedings of the 44th Annual Allerton Conference on Control, Communications, and Computation, 2006, pp. 1035-1037. [abstract]
• C. Chang and A. Sahai, "Error exponents for joint source-channel coding with delay-constraints," in Proceedings of the Allerton Conference on Control, Communication, and Computation, 2006, pp. 551-560. [abstract]
• M. Agarwal, A. Sahai, and S. Mitter, "Coding into a source: A direct inverse rate-distortion theorem," in Proc. 44th Annual Allerton Conf. on Communication, Control, and Computing, Urbana, IL: University of Illinois, 2006, pp. 569-578. [abstract]
• S. Draper and A. Sahai, "Beating Burnashev in delay with noisy feedback," in Proc. 44th Annual Allerton Conf. on Communication, Control, and Computing, Urbana, IL: University of Illinois, 2006, pp. 421-430. [abstract]
• A. Sahai, R. Tandra, M. Mishra, and N. Hoven, "Fundamental design tradeoffs in cognitive radio systems," in Proceedings of the first international workshop on Technology and policy for accessing spectrum, ACM International Conference Proceeding Series, Vol. 222, ACM, 2006. [abstract]
• A. Sahai, "Stabilization using both noisy and noiseless feedback," in Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems, 2006, pp. 1060-1065. [abstract]
• S. Draper and A. Sahai, "Noisy feedback improves communication reliability," in Proceedings of the 2006 IEEE International Symposium on Information Theory, 2006, pp. 69-73. [abstract]
• R. Tandra and A. Sahai, "Is interference like noise when you know its codebook?," in Proceedings of the IEEE International Symposium on Information Theory, 2006, pp. 2220-2224. [abstract]
• C. Chang and A. Sahai, "Upper bound on error exponents with delay for lossless source coding with side-information," in Proc. IEEE Intl. Symp. on Information Theory, Piscataway, NJ: IEEE Press, 2006, pp. 326-330.
• S. M. Mishra, A. Sahai, and R. W. Brodersen, "Cooperative sensing among cognitive radios," in Proc. IEEE 2006 Intl. Conf. on Communications (ICC '06), Vol. 4, Piscataway, NJ: IEEE Press, 2006, pp. 1658-1663. [abstract]
• C. Chang and A. Sahai, "The error exponent with delay for lossless source coding," in Proceedings of the IEEE Information Theory Workshop, 2006, pp. 252--256. [abstract]
• V. Borkar, S. Mitter, A. Sahai, and S. Tatikonda, "Sequential Source Coding: An optimization viewpoint," in Proceedings of the 44th IEEE Conference on Decision and Control, 2005, pp. 1035-1042. [abstract]
• A. Sahai and H. Palaiyanur, "Invited Paper: A simple encoding and decoding stategy for stabilization over discrete memoryless channels," in Proceedings of the 43rd Annual Allerton Conference on Communication, Control, and Computing, Urbana, IL: University of Illinois, 2005, pp. 538-547. [abstract]
• S. C. Draper, C. Chang, and A. Sahai, "Sequential random binning for streaming distributed source coding," in Proceedings of the IEEE International Symposium on Information Theory, 2005, pp. 1396--1400. [abstract]
• L. H. Grokop, A. Sahai, and M. Gastpar, "Discriminatory source coding for a noiseless broadcast channel," in Proceedings of the 2005 IEEE International Symposium on Information Theory, 2005, pp. 77-81. [abstract]
• A. Sahai, A. S. Avestimehr, and P. Minero, "Anytime communication over the Gilbert-Eliot channel with noiseless feedback," in Proceedings of the 2005 IEEE International Symposium on Information Theory, 2005, pp. 1783 - 178. [abstract]
• C. Chang and A. Sahai, "Sequential random coding error exponents for degraded broadcast channels," in Proceedings of the Allerton Conference on Control, Communication, and Computation, 2005, pp. 504-513. [abstract]
• S. Draper, K. Ramchandran, B. Rimoldi, A. Sahai, and D. Tse, "Attaining maximal reliability with minimal feedback via joint channel-code and hash-function design," in Proceedings of the Allerton Conference on Control, Communications, and Computation, 2005, pp. 1156-1166. [abstract]
• A. Sahai, S. C. Draper, and M. Gastpar, "Boosting reliability over AWGN networks with average power constraints and noiseless feedback," in Proc. 2005 IEEE Intl. Symp. on Information Theory (ISIT '05), Piscataway, NJ: IEEE Press, 2005, pp. 402-406.
• C. Chang and A. Sahai, "Sequential random coding error exponents for multiple access channels," in Proceedings of the 2005 International Conference on Wireless Networks, Communications and Mobile Computing: Symposium on Information Theory, Vol. 2, 2005, pp. 1581-1586. [abstract]
• N. Hoven and A. Sahai, " Power scaling for cognitive radio," in 2005 International Conference on Wireless Networks, Communications and Mobile Computing: Symposium on Emerging Networks, Technologies and Standards, Vol. 1, 2005, pp. 250 - 255. [abstract]
• R. Tandra and A. Sahai, " Fundamental limits on detection in low SNR under noise uncertainty," in International Conference on Wireless Networks, Communications and Mobile Computing, 2005., Vol. 1, 2005, pp. 464- 469. [abstract]
• A. Sahai, "The necessity and sufficiency of anytime capacity for control over a noisy communication link," in Proceedings of the 43rd IEEE Conference on Decision and Control, Vol. 2, 2004, pp. 1896--1901. [abstract]
• C. Chang and A. Sahai, "Object Tracking in a 2D UWB Sensor Network," in Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004, pp. 1252 - 125. [abstract]
• C. Chang and A. Sahai, "Estimation bounds for localization," in Proceedings of the First Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2004, pp. 415--424. [abstract]
• A. Sahai and Q. Xu, "The anytime reliability of the AWGN+erasure channel with feedback," in Proceedings of the 42nd Annual Allerton Conference on Communication, Control, and Computation, 2004, pp. 300-309. [abstract]
• A. Sahai and Q. Xu, "The anytime reliability of constrained packet erasure channels with feedback," in Proceedings of the Allerton Conference on Control, Communication, and Computation, 2004, pp. 200-209. [abstract]
• A. Sahai, N. Hoven, and R. Tandra, "Some fundamental limits on cognitive radio," in Proceedings of the Allerton Conference on Control, Communications, and Computation, 2004, pp. 1662-1671. [abstract]
• A. Sahai and T. Simsek, "On the variable-delay reliability function of discrete memoryless channels with access to noisy feedback," in Proceedings of the 2004 IEEE Information Theory Workshop, 2004, pp. 336-341. [abstract]
• A. Sahai, "Coding unstable scalar Markov processes into two streams," in Proceedings of the IEEE International Symposium on Information Theory, 2004, pp. 462. [abstract]
• A. Sahai and S. Mitter, "A fundamental need for differentiated `Quality of Service' over communication links: an information theoretic approach," in Proceedings of the 38th Annual Allerton Conference on Communication, Control, and Computation, 2000. [abstract]
• A. Sahai, "Any-time Capacity and A Separation Theorem For Tracking Unstable Processes," in Proceedings of the 2000 IEEE International Symposium on Information Theory, 2000, pp. 500. [abstract]
• A. Sahai, "Evaluating channels for control: capacity reconsidered," in Proceedings of the American Control Conference, Vol. 4, 2000, pp. 2358-2362. [abstract]
• S. Tatikonda, A. Sahai, and S. Mitter, "Control of LQG systems under communication constraints," in Proc. 37th IEEE Conf. on Decision and Control, Vol. 1, Piscataway, NJ: IEEE Press, 1998, pp. 1165-1170.
• L. Bushnell, B. Mirtich, A. Sahai, and M. Secor, "Off-tracking bounds for a car pulling trailers with kingpin hitching," in Proceedings of the 33rd IEEE Conference on Decision and Control, Vol. 3, 1994, pp. 2944--2949. [abstract]

Technical Reports

• K. Harrison and A. Sahai, "Register everyone: on the whitespace use of wireless microphone channels, channel 37, and the soon-to-be guard bands," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2013-4, Jan. 2013. [abstract]
• H. R. Palaiyanur and A. Sahai, "A bound for block codes with delayed feedback related to the sphere-packing bound," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2009-61, May 2009. [abstract]
• M. Mishra and A. Sahai, "How much white space is there?," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2009-3, Jan. 2009. [abstract]
• A. Sahai, M. Mishra, R. Tandra, and K. A. Woyach, "Cognitive Radios for Spectrum Sharing: Technical Appendices," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2008-147, Dec. 2008. [abstract]
• R. Tandra, M. Mishra, and A. Sahai, "Extended edition: What is a spectrum hole and what does it take to recognize one?," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2008-110, Aug. 2008. [abstract]
• A. Sahai and P. Grover, "The price of certainty: "waterslide curves" and the gap to capacity," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2008-1, Jan. 2008. [abstract]
• A. Sahai and P. Grover, "The price of certainty: "waterslide curves" and the gap to capacity," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2008-1, Jan. 2008. [abstract]
• H. R. Palaiyanur, C. Chang, and A. Sahai, "The source coding game with a cheating switcher," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2007-155, Dec. 2007. [abstract]
• M. Mishra, R. Tandra, and A. Sahai, "Wideband Sensing," IEEE 802.22 Standards Group, Tech. Rep. 802.22-07/00351-r0, July 2007. [abstract]
• K. Eswaran, A. D. Sarwate, A. Sahai, and M. Gastpar, "Binary additive channels with individual noise sequences and limited active feedback," University of California, Berkeley, EECS Department, Tech. Rep. UCB/EECS-2007-5, Jan. 2007.
• K. Eswaran, A. D. Sarwate, A. Sahai, and M. Gastpar, "Binary additive channels with individual noise sequences and limited active feedback," EECS Department, University of California, Berkeley, Tech. Rep. UCB/EECS-2007-5, Jan. 2007. [abstract]
• A. Sahai, N. K. Hoven, M. Mishra, and R. Tandra, "Fundamental tradeoffs in robust spectrum sensing for opportunistic frequency reuse," UC Berkeley, Wireless Foundations, March 2006. [abstract]
• A. Sahai, M. Secor, and L. Bushnell, "An Obstacle Avoidance Algorithm for a Car Pulling Many Trailers with Kingpin Hitching," EECS Department, University of California, Berkeley, Tech. Rep. UCB/ERL M94/10, 1994. [abstract]

Unpublished articles

• P. Grover and A. Sahai, "The finite-dimensional Witsenhausen counterexample," March 2009. [abstract]
• C. Chang and A. Sahai, "The price of ignorance: the impact on side-information for delay in lossless source coding," 2007. [abstract]
• H. R. Palaiyanur and A. Sahai, "The source coding game with a cheating switcher," Nov. 2007. [abstract]
• A. Sahai, "Submitted to IT Transactions: Balancing forward and feedback error correction for erasure channels with unreliable feedback," Sep. 2007. [abstract]
• H. R. Palaiyanur and A. Sahai, "Sequential decoding for lossless streaming source coding with side information," March 2007. [abstract]
• A. Sahai and S. Mitter, "Submitted to IEEE Trans. IT: The necessity and sufficiency of anytime capacity for control over a noisy communication link: Part II: Vector systems," Oct. 2006. [abstract]
• A. Sahai, "Stabilization using both noisy and noiseless feedback," Oct. 2006. [abstract]
• A. Sahai, "Anytime coding on the infinite bandwidth AWGN channel: A semi-orthogonal optimal code," Oct. 2006.
• C. Chang, S. C. Draper, and A. Sahai, "Submitted to IEEE Trans. IT: Lossless coding for distributed streaming sources," Oct. 2006.
• A. Sahai and S. Mitter, "Submitted to IEEE Trans. IT: Source coding and channel requirements for unstable processes," Oct. 2006. [abstract]

Patents

• N. Agarwal, A. Sahai, and J. Tsitsiklis, "Narrowband noise mitigation in location-determining signal processing," U.S. Patent 7,177,614. Feb. 2007. [abstract]
• A. Sahai and J. Tsitsiklis, "Synthesizing coherent correlation sums at one or multiple carrier frequencies using correlation sums calculated at a coarse set of frequencies," U.S. Patent 7,164,736. Jan. 2007.
• A. Sahai and A. Chou, "System and method to estimate the location of a receiver," U.S. Patent 7,069,019. June 2006.
• A. Sahai, J. Tsitsiklis, S. Casadei, A. Chou, B. Van Roy, and J. R. Stone, "Extracting fine-tuned estimates from correlation functions evaluated at a limited number of values," U.S. Patent 7,027,534. April 2006.
• A. Sahai, W. Mann, A. Chou, and B. Van Roy, "Signal acquisition using data bit information," U.S. Patent 6,933,886. Aug. 2005.
• W. Mann and A. Sahai, "System, method, apparatus and means for constructing building tomography and timing information," U.S. Patent 6,900,758. May 2005.
• A. Sahai, A. Chou, W. Mann, and S. Casadei, "Determining the spatio-temporal and kinematic parameters of a signal receiver and its clock by information fusion," U.S. Patent 6,542,116. April 2003.
• A. Sahai, J. Tsitsiklis, B. Van Roy, A. Chou, W. Mann, J. R. Stone, and W. Fong, "Determining location information using sampled data containing location-determining signals and noise," U.S. Patent 6,535,163. March 2003.
• A. Sahai, W. Mann, A. Chou, and B. Van Roy, "Signal acquisition using data bit information," U.S. Patent 6,512,479. Jan. 2003.
• A. Sahai, "Systems and methods for facilitating transactions in accordance with a region requirement," U.S. Patent Application. Oct. 2002.

Talks or presentations

• A. Sahai, "Keynote: Wireless spectrum sharing and cognitive radio: opportunities and challenges," presented at 2012 Southern California Symposium on Network Economics and Game Theory, USC, Nov. 2012. [abstract]
• A. Sahai, "Implicit communication in decentralized control systems," presented at Information and Control in Networks: Workshop, Lund, Sweden, Oct. 2012. [abstract]
• A. Sahai, "Wireless spectrum sharing and cognitive radio: opportunities and looming challenges," Gaithersberg, Maryland, Oct. 2012.
• A. Sahai, "Wireless spectrum sharing: opportunities for interdisciplinary research," presented at Microsoft Research Cambridge Colloquium, Cambridge, MA, Aug. 2012. [abstract]
• A. Sahai, "Some New Results Concerning Control and Communication," presented at Colloquium, Stanford, CA, April 2012. [abstract]
• A. Sahai and S. Y. Park, "Network-coding meets decentralized control (and vice versa)," presented at ITA, San Diego, CA, Feb. 2012.
• A. Sahai, "What fundamental understanding is needed for green communication," presented at Green Communication Workshop, Oct. 2010.
• A. Sahai, "Challenges for spectrum sharing by cognitive radios," Paris, France, Sep. 2010.
• A. Sahai, "Research to Enable Next-Generation Spectrum Policy," presented at Mobicom CORONET Workshop, Chicago, IL, Sep. 2010.
• A. Sahai, "Overcoming challenges for spectrum sharing by cognitive radios," Evanston, IL, Sep. 2010.
• A. Sahai, "A few thoughts on ``Context Awareness''," presented at ISART, Boulder, CO, July 2010.
• A. Sahai, "A few observations on the TV whitespaces," presented at TV Whitespaces Summit, June 2010.
• A. Sahai, "What is the value of the television whitespaces?," presented at Communications Theory Workshop, Cancun, Mexico, May 2010.
• A. Sahai, "TUTORIAL: How to find/work-on technology problems relevant for policy issues," presented at DySpAN, Singapore, April 2010.
• A. Sahai, "Keynote: From the whitespaces to beyond: Some thoughts on critical future problems for the cognitive radio area," presented at Workshop on Cognitive Wireless Communications and Networking at INFOCOM, March 2010.
• A. Sahai, "An optimization perspective on spectrum zoning," presented at ITA, La Jolla, CA, Feb. 2010.
• A. Sahai, "Desired properties of identity codes," San Francisco, CA, Jan. 2010.
• A. Sahai, "New directions in cognitive radio research," Beijing, China, Dec. 2009.
• A. Sahai, "Prospects and challenges for spectrum sharing by cognitive radios," Cambridge, MA, Nov. 2009.
• A. Sahai, "What does dirty paper coding have to do with distributed control? Revisiting the Witsenhausen counterexample," UIUC, Illinois, May 2009. [abstract]
• A. Sahai, "Prospects and challenges for spectrum sharing by cognitive radios," presented at ISL Colloquium, Stanford, Feb. 2009. [abstract]
• A. Sahai, "Towards fundamental bounds on physical layer power consumption," Qualcomm Corporate R&D, San Diego CA, Dec. 2008. [abstract]
• A. Sahai, "Keynote: New Directions in Cognitive Radio and Spectrum Sharing," presented at Third IEEE Workshop on Networking Technologies for Software Defined Radio (SDR) Networks, San Francisco, CA, June 2008. [abstract]
• A. Sahai, "Fundamental limits for cognitive radios," presented at Communications Theory Workshop, St. Croix, Virgin Islands, May 2008. [abstract]
• A. Sahai, "Fundamental bounds for physical-layer power consumption: ``waterslide curves'' and the price of certainty," presented at MIT LIDS, Cambridge, MA, April 2008. [abstract]
• A. Sahai, "Fundamental bounds for physical-layer power consumption: ``waterslide curves'' and the price of certainty," presented at ISL Colloquium, Stanford, CA, April 2008. [abstract]
• A. Sahai, "Fundamental bounds for power consumption at the physical layer: ``waterslide curves'' and the price of certainty," presented at University of Tokyo, Kashiwa, Japan, March 2008. [abstract]
• A. Sahai, "How valuable is noisy or unreliable feedback?," presented at University of Tokyo, Kashiwa, Japan, March 2008. [abstract]
• A. Sahai, "The connection between information theory and networked control," presented at Global COE Workshop on Networked Control Systems, Kyoto, Japan, March 2008. [abstract]
• A. Sahai, "Fundamental bounds for power consumption at the physical layer: ``waterslide curves'' and the price of certainty," presented at KAIST, Daejeon, South Korea, March 2008. [abstract]
• A. Sahai, "Cognitive radio systems: the need for robust cooperation and the right metrics," presented at ETRI, Daejeon, South Korea, March 2008. [abstract]
• A. Sahai, "Fundamental bounds for power consumption at the physical layer: ``waterslide curves'' and the price of certainty," presented at ETRI, Daejeon, South Korea, March 2008. [abstract]
• A. Sahai, "The price of ignorance: ``waterslide curves'' and the gap to capacity," presented at CUHK Department of Information Engineering Seminar, Hong Kong, Jan. 2008. [abstract]
• A. Sahai, "Opportunistic radio systems: the need for robust cooperation," presented at Institute for Infocomm Research, Singapore, Jan. 2008. [abstract]
• A. Sahai, "The price of ignorance: ``waterslide curves'' and the gap to capacity," presented at Institute for Infocomm Research, Singapore, Jan. 2008. [abstract]
• A. Sahai, "SNR Walls for Cognitive Radio Spectrum Sensing," presented at Institute for Infocomm Research, Singapore, Jan. 2008. [abstract]
• A. Sahai and S. Tatikonda, "Tutorial: Feedback and Side-Information in Information Theory," presented at International Symposium on Information Theory, Nice, France, June 2007. [abstract]
• A. Sahai, "Spectrum Sensing for Cognitive Radios," presented at International Research Workshop on Intelligent Spectrum Usage for Personal Comms, London, UK, April 2007.
• A. Sahai, "Delay, feedback and the price of ignorance," presented at ETH, Zurich, Switzerland, April 2007. [abstract]
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at Imperial College Communications and Signal Processing Seminar Series, London, UK, April 2007. [abstract]
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at UNLV, Las Vegas, NV, March 2007.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at UCLA ECE Seminar, Los Angeles, CA, Feb. 2007.
• A. Sahai, "Flexible spectrum management ``technology'," presented at Samsung 4G Forum, Jeju Island, South Korea, Sep. 2006.
• A. Sahai, "Increasing reliability using only noisy feedback," presented at Kailath Colloquium on Feedback Communications, Stanford, CA, July 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at EPFL Summer Research Institute, Lausanne, Switzerland, July 2006.
• A. Sahai, "How valuable is noisy or limited feedback?," presented at EPFL Seminar, Lausanne, Switzerland, July 2006.
• A. Sahai, "What is a spectrum hole and what does it take to recognize one?," presented at Cognitive Systems Laboratory, Hamilton, Ontario, June 2006.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at ECE Seminar, Waterloo, Canada, June 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at CalTech CDS Seminar, Pasadena, CA, May 2006.
• A. Sahai, "Delay, feedback and the price of ignorance," presented at ISL Colloquium, Stanford, CA, May 2006.
• A. Sahai, "Bringing information theory to control," presented at Workshop on Control, Communications, and Sensing, Stanford, CA, April 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at USC Communication Sciences Institute Seminar, Los Angeles, CA, March 2006.
• A. Sahai, "Delay, Feedback, and the Price of Ignorance," presented at Yale Electrical Engineering and Computer Science Seminar, New Haven, CT, March 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at MIT LIDS Colloquium, Cambridge, MA, March 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at BU ECE Colloquium, Boston, MA, March 2006. [abstract]
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at MIT Media Lab Viral Communications Seminar, Cambridge, MA, March 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at Cornell Information Theory, Networks and Signal Processing Seminar, Ithaca, NY, March 2006.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at Phillips Research Seminar, Briarcliff Manor, NY, March 2006.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at Bell Labs Seminar, Murray Hill, NJ, March 2006.
• A. Sahai, "Delay, feedback, and the price of ignorance," presented at ISS Seminar, Princeton, NJ, March 2006.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at WINLAB Seminar, New Brunswick, NJ, March 2006. [abstract]
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at Qualcomm Engineering Seminar, San Diego, CA, Feb. 2006.
• A. Sahai, "Fundamental tradeoffs for opportunistic radio systems," presented at IEEE Radio and Wireless Conference: Workshop on Cognitive Radio, Software Defined Radio, and Adaptive Wireless Systems, San Diego, CA, Jan. 2006.
• A. Sahai, "Delay, feedback, and interaction," presented at ECE Graduate Seminar, Davis, CA, Dec. 2005.
• A. Sahai, "Delay, feedback, and interaction," presented at UMD Advanced Network Colloquium, College Park, MD, Nov. 2005.
• A. Sahai, "Cognitive Radio: A new regime for spectrum access," presented at Vodafone Academic Partners Workshop, Runnymede, UK, Nov. 2005.
• A. Sahai and D. Cabric, "Tutorial: Spectrum Sensing: fundamental limits and practical challenges," presented at First Symposium on New Frontiers in Dynamic Spectrum Access Networks, Baltimore, MD, Nov. 2005. [abstract]
• A. Sahai, "Control, delay, and the nature of information," presented at EECS CSPL SEMINAR, Ann Arbor, MI, May 2005. [abstract]
• A. Sahai, "Some fundamental limits on cognitive radios and their implications," presented at The Economics, Technology, and Policy of Unlicensed Spectrum, East Lansing, MI, May 2005.
• A. Sahai, "Where do stabilization problems sit in the communication problem hierarchy?," presented at Workshop on Integrated Control, Estimation and Communication, Pasadena, CA, April 2005.
• A. Sahai, "Delay universality in channel and source coding," presented at ISL Colloquium, Stanford, CA, Feb. 2005.
• A. Sahai, "Control, feedback, and the nature of information," presented at UIUC Systems Seminar, Urbana, IL, Aug. 2004. [abstract]
• A. Sahai, "Communicating for Estimation: An information theoretic perspective on control with communication constraints," presented at Probability and Statistical Mechanics in Information Science, Pisa, Italiy, June 2003.

Ph.D. Theses

• A. Sahai, "Anytime Information Theory," Massachusetts Institute of Technology, Department of EECS, Feb. 2001.