Dimitris A. Pados, Professor & I-SENSE Fellow

Computer and Electrical Engineering & Computer Science, Florida Atlantic University

Director, ExtremeComms Laboratory

Engineering East 325, 777 Glades Road, Florida Atlantic University, Boca Raton, FL 33431-0991

dpados at fau dot edu         Phone: 561.297.2988        Fax: 561.297.2800


Journal Publications

[60] N. Tsagkarakis, P. P. Markopoulos, and D. A. Pados, ‘‘L1-norm principal-component analysis of complex data,’’ IEEE Transactions on Signal Processing, submitted Aug. 2017, to be revised Nov. 2017. http://arxiv.org/pdf/1708.01249 [pdf]

[59] P. P. Markopoulos, S. Kundu, S. Chamadia, and D. A. Pados, ‘‘Efficient L1-norm principal-component analysis via bit flipping,’’ IEEE Transactions on Signal Processing, vol. 65, pp. 4252-4264, Aug. 2017. http://arxiv.org/abs/1610.01959 [pdf]

[58] Y. Liu, D. A. Pados, Joohee Kim, and Chen Zhang, ‘‘Reconstruction of compressed-sensed multiview video with disparity and motion compensated total-variation minimization,’’ IEEE Transactions on Circuits and Systems for Video Technology, to appear.

[57] Y. Liu and D. A. Pados, ‘‘Compressed-sensed-domain L1-PCA video surveillance,’’ IEEE Transactions on Multimedia, vol. 18, pp. 351-363, Mar. 2016 (105 reads on RG.)

[56] G. Sklivanitis, A. Gannon, S. N. Batalama, and D. A. Pados, ‘‘Addressing next-generation wireless challenges with commercial software-defined radio platforms,’’ IEEE Communications Magazine, Special Issue on Software Defined Radios, vol. 54, pp. 59-67, Jan. 2016 (420 reads on RG.) [pdf]

[55] Zhangyu Guan, T. Melodia, Dongfeng Yuan, and D. A. Pados, ‘‘Distributed resource management for cognitive ad hoc networks with cooperative relays,’’ IEEE/ACM Transactions on Networking, vol. 24, pp. 1675-1689, June 2016.

[54] E. Demirors, G. Sklivanitis, T. Melodia, S. N. Batalama, and D. A. Pados, ‘‘Software-defined underwater acoustic networks: Towards a high-rate real-time reconfigurable modem,’’ IEEE Communications Magazine, Special Issue on Underwater Wireless Communications and Networks: Theory and Applications, vol. 53, pp. 64-71, Nov. 2015.

[53] P. P. Markopoulos, G. N. Karystinos, and D. A. Pados, ‘‘Optimal algorithms for L1-subspace signal processing,’’ IEEE Transactions on Signal Processing, vol. 62, pp. 5046-5058, Oct. 2014 (130 reads on RG since Oct. 2015.) http://arxiv.org/abs/1405.6785 [pdf]

[52] L. Wei, D. A. Pados, S. N. Batalama, Rose Q. Hu, and M. J. Medley, ‘‘Optimal multiuser spread-spectrum data hiding in digital images,’’ Security Comm. Networks (Wiley), DOI: 10.1002/sec.1001, pp. 1-10, Nov. 2014.

[51] L. Ding, K. Gao, T. Melodia, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘All-spectrum cognitive networking through joint distributed channelization and routing,’’ IEEE Transactions on Wireless Communications, vol. 12, pp. 5394-5405, Nov. 2013.

[50] M. Li, M. Kulhandjian, D. A. Pados, S. N. Batalama, and M. J. Medley, ‘‘Extracting spread-spectrum hidden data from digital media,’’ IEEE Transactions on Information Forensics and Security, vol. 8, pp. 1201-1210, July 2013 (4.7K downloads from RG until Oct. 2015; 1.3K reads on RG since Oct. 2015) .

[49] M. Li, S. Kundu, D. A. Pados, and S. N. Batalama, ‘‘Waveform design for secure SISO transmissions and multicasting,’’ IEEE Journal on Selected Areas in Communications, Special Issue on Signal Processing Techniques for Wireless Physical Layer Security, vol. 31, pp. 1864-1874, Sept. 2013. http://arxiv.org/abs/1306.0549

[48] P. P. Markopoulos, S. Kundu, and D. A. Pados, ‘‘Small-sample-support suppression of interference to PN-masked data,’’ IEEE Transactions on Communications, vol. 61, pp. 2979-2987, July 2013.

[47] S. Kundu, D. A. Pados, W. Su, and R. Grover, ‘‘Toward a preferred 4x4 space-time block code: A performance-versus-complexity sweet spot with linear-filter decoding,’’ IEEE Transactions on Communications, vol. 61, pp. 1847-1855, May 2013.

[46] S. Kundu, W. Su, D. A. Pados, and M. J. Medley, ‘‘Fastest-known maximum-likelihood decoding of quasi-orthogonal STBCs with QAM signals,’’ IEEE Wireless Communications Letters, vol. 2, pp. 38-41, Feb. 2013.

[45] Ying Liu, Ming Li, and D. A. Pados, ‘‘Motion-aware decoding of compressed-sensed video,’’ IEEE Transactions on Circuits and Systems for Video Technology, vol. 23, pp. 438-444, Mar. 2013.

[44] Ying Liu and D. A. Pados, ‘‘Decoding of framewise compressed-sensed video via inter-frame total variation minimization,’’ SPIE Journal of Electronic Imaging, Special Issue on Compressive Sensing for Imaging, vol. 22, no. 2, pp. 021012_1-021012_8, Apr.-June 2013.

[43] K. Gao, O. Ozdemir, D. A. Pados, S. N. Batalama, T. Melodia, and A. Drozd, ‘‘Cognitive code-division channelization with admission control,’’ Journal of Computer Networks and Communications, Special Issue on Trends and Applications of Cognitive Radio, vol. 2012, pp. 1-9, Sept. 2012.

[42] L. Wei and D. A. Pados, ‘‘Optimal orthogonal carriers and sum-SINR/sum-capacity of the multiple-access vector channel,’’ IEEE Transactions on Communications, vol. 60, pp. 1188-1192, May 2012.

[41] M. Li, S. N. Batalama, D. A. Pados, T. Melodia, M. J. Medley, and J. D. Matyjas, ‘‘Cognitive code-division links with blind primary-system identification,’’ IEEE Transactions on Wireless Communications, vol. 10, pp. 3743-3753, Nov. 2011.

[40] K. Gao, S. N. Batalama, and D. A. Pados, ‘‘Bounds on the maximum SINR of binary and quaternary code division,’’ IEEE Transactions on Communications, vol. 60, pp. 14-18, Jan. 2012.

[39] K. Gao, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Compressive sampling with generalized polygons,’’ IEEE Transactions on Signal Processing, vol. 59, pp. 4759-4766, Oct. 2011.

[38] W. Su, S. Lee, D. A. Pados, and J. D. Matyjas, ‘‘Optimal power assignement for minimizing the average total transmission power in hybrid-ARQ Rayleigh fading links,’’ IEEE Transactions on Communications, vol. 59, pp. 1867-1877, July 2011 (120 reads on RG since Oct. 2015) .

[37] H. Ganapathy, D. A. Pados, and G. N. Karystinos, ‘‘New bounds and optimal binary signature sets – Part II: Aperiodic total squared correlation,’’ IEEE Transactions on Communications, vol. 59, pp. 1411-1420, May 2011.

[36] K. Gao, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Cognitive code-division channelization,’’ IEEE Transactions on Wireless Communications, vol. 10, pp. 1090-1097, Apr. 2011.

[35] H. Ganapathy, D. A. Pados, and G. N. Karystinos, ‘‘New bounds and optimal binary signature sets – Part I: Periodic total squared correlation,’’ IEEE Transactions on Communications, vol. 59, pp. 1123-1132, Apr. 2011.

[34] M. Li, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Minimum total-squared-correlation quaternary sets: New bounds and optimal designs,’’ IEEE Transactions on Communications, vol. 57, pp. 3662-3671, Dec. 2009.

[33] R. Grover, W. Su, and D. A. Pados, ‘‘An 8x8 quasi-orthogonal STBC form for transmissions over eight or four antennas,’’ IEEE Transactions on Wireless Communications, vol. 7, pp. 4777-4785, Dec. 2008 (500 downloads from RG until Oct. 2015) .

[32] L. Wei, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Adaptive binary signature design for code division multiplexing,’’ IEEE Transactions on Wireless Communications, vol. 7, pp. 2798-2804, July 2008.

[31] L. Wei, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Upward scaling of minimum-TSC binary signature sets,’’ IEEE Communications Letters, vol. 11, pp. 889-891, Nov. 2007.

[30] G. N. Karystinos and D. A. Pados, ‘‘Rank-2-optimal adaptive design of binary spreading codes,’’ IEEE Transactions on Information Theory, vol. 53, pp. 3075-3080, Sept. 2007.

[29] G. N. Karystinos and D. A. Pados, ‘‘Supervised phase correction of blind space-time DS/ CDMA channel estimates,’’ IEEE Transactions on Communications, vol. 55, pp. 584-592, Mar. 2007.

[28] M. Gkizeli, D. A. Pados, and M. J. Medley, "Optimal signature design for spread-spectrum steganography,’’ IEEE Transactions on Image Processing, vol. 16, pp. 391-405, Feb. 2007 (250 reads on RG since Oct. 2015) .

[27] R. Grover, D. A. Pados, and M. J. Medley, ‘‘Subspace direction finding with an Auxiliary-Vector basis,’’ IEEE Transactions on Signal Processing, vol. 55, pp. 758-763, Feb. 2007 (75 reads on RG since Oct. 2015) .

[26] D. Ghosh, D. A. Pados, R. Acharya, and J. Llinas, ‘‘On Dempster-Shafer and Bayesian detectors,’’ IEEE Transactions on Systems, Man, and Cybernetics, Part C, vol. 36, pp. 688-693, Sept. 2006.

[25] W. Su, S. N. Batalama, and D. A. Pados, ‘‘On orthogonal space-time block codes and transceiver signal linearization,’’ IEEE Communications Letters, vol. 10, pp. 91-93, Feb. 2006 (1.7K downloads from RG until Oct. 2015; 120 reads on RG since Oct. 2015) .

[24] Z. Liu and D. A. Pados, ‘‘LDPC codes from generalized polygons,’’ IEEE Transactions on Information Theory, vol. 51, pp. 3890-3898, Nov. 2005.

[23] L. P. Kondi, D. Srinivasan, D. A. Pados, and S. N. Batalama, ‘‘Layered video transmission over multirate DS-CDMA wireless systems,’’ IEEE Transactions on Circuits and Systems for Video Technology, vol. 15, pp. 1629-1637, Dec. 2005.

[22] Zhenyu Liu and D. A. Pados, ‘‘A decoding algorithm for finite geometry LDPC codes,’’ IEEE Transactions on Communications, vol. 53, pp. 415-421, Mar. 2005 (500 downloads from RG until Oct. 2015; 150 reads on RG since Oct. 2015) .

[21] G. N. Karystinos and D. A. Pados, ‘‘The maximum squared correlation, sum capacity, and total asymptotic efficiency of minimum total-squared-correlation binary signature sets,’’ IEEE Transactions on Information Theory, vol. 51, pp. 348-355, Jan. 2005.

[20] S. Gopalan, G. N. Karystinos, and D. A. Pados, ‘‘Capacity, throughput, and delay of slotted ALOHA DS-CDMA links with adaptive space-time auxiliary-vector receivers,’’ IEEE Transactions on Wireless Communications, vol. 4, pp. 79-92, Jan. 2005.

[19] D. Srinivasan, L. P. Kondi, and D. A. Pados, ‘‘Scalable video transmission over wireless DS-CDMA channels using Minimum TSC spreading codes,’’ IEEE Signal Processing Letters, vol. 11, pp. 836-840, Oct. 2004.

[18] S. De, C. Qiao, D. A. Pados, M. Chatterjee, and S. J. Philip, ‘‘An integrated cross-layer study of wireless CDMA sensor networks,’’ IEEE Journal on Selected Areas in Communications, Special Issue on Quality-of-Service Delivery in Variable Topology Networks, vol. 22, pp. 1271-1285, Sept. 2004 (110 Google Scholar citations).

[17] Zhenyu Liu and D. A. Pados, ‘‘Near-ML multiuser detection with linear filters and reliability-based processing,’’ IEEE Transactions on Communications, vol. 51, pp. 1446-1450, Sept. 2003.

[16] G. N. Karystinos and D. A. Pados, ‘‘New bounds on the total squared correlation and optimum design of DS-CDMA binary signature sets,’’ IEEE Transactions on Communications, vol. 51, pp. 48-51, Jan. 2003 (175 Google Scholar citations) .

[15] Yinquan Wu and D. A. Pados, ‘‘An adaptive two-stage algorithm for ML and sub-ML decoding of binary linear block codes,’’ IEEE Transactions on Information Theory, vol. 49, pp. 261-269, Jan. 2003.

[14] D. A. Pados, M. J. Medley, and S. N. Batalama, ‘‘Adaptive antenna array receivers for spread- spectrum signals in non-Gaussian noise,’’ Digital Signal Processing, Special Issue on Defense Applications of Signal Processing, vol. 11, pp. 144-158, Apr. 2001.

[13] D. A. Pados and G. N. Karystinos, ‘‘An iterative algorithm for the computation of the MVDR filter,’’ IEEE Transactions on Signal Processing, vol. 49, pp. 290-300, Feb. 2001 (223 Google Scholar citations; 270 reads on RG since Oct. 2015) .

[12] S. N. Batalama, M. J. Medley, and D. A. Pados, ‘‘Robust adaptive recovery of spread- spectrum signals with short data records,’’ IEEE Transactions on Communications, vol. 48, pp. 1725-1731, Oct. 2000.

[11] G. N. Karystinos and D. A. Pados, ‘‘On overfitting, generalization, and randomly expanded training sets,’’ IEEE Transactions on Neural Networks, vol. 11, pp. 1050-1057, Sept. 2000 (The 2003 IEEE Transactions on Neural Networks Outstanding Paper Award; 105 reads on RG since Oct. 2015).

[10] Yinquan Wu and D. A. Pados, ‘‘A feedforward bidirectional associative memory,’’ IEEE Transactions on Neural Networks, vol. 11, pp. 859-866, July 2000 (75 reads on RG since Oct. 2015) .

[9] D. A. Pados, F. J. Lombardo, and S. N. Batalama, ‘‘Auxiliary-vector filters and adaptive steering for DS/CDMA single-user detection,’’ IEEE Transactions on Vehicular Technology, vol. 48, pp. 1831-1839, Nov. 1999.

[8] D. A. Pados and S. N. Batalama, ‘‘Joint space-time auxiliary-vector filtering for DS/CDMA systems with antenna arrays,’’ IEEE Transactions on Communications, vol. 47, pp. 1406- 1415, Sept. 1999 (183 Google Scholar citations; 85 reads on RG since Oct. 2015) .

[7] I. N. Psaromiligkos, S. N. Batalama, and D. A. Pados, ‘‘On adaptive minimum probability of error linear filter receivers for DS-CDMA channels,’’ IEEE Transactions on Communications, vol. 47, pp. 1092-1102, July 1999.

[6] Amit Kansal, S. N. Batalama, and D. A. Pados, ‘‘Adaptive maximum SINR RAKE filtering for DS-CDMA multipath fading channels,’’ IEEE Journal on Selected Areas in Communications, Special Issue on Signal Processing for Wireless Communications, vol. 16, pp. 1765-1773, Dec. 1998.

[5] D. A. Pados and S. N. Batalama, ‘‘Low-complexity blind detection of DS/CDMA signals: Auxiliary-vector receivers,’’ IEEE Transactions on Communications, vol. 45, pp. 1586- 1594, Dec. 1997.

[4] D. A. Pados and P. Papantoni-Kazakos, ‘‘New non-least-squares neural network learning algorithms for hypothesis testing,’’ IEEE Transactions on Neural Networks, vol. 6, pp. 596-609, May 1995.

[3] D. A. Pados, K. W. Halford, D. Kazakos, and P. Papantoni-Kazakos, ‘‘Distributed binary hypothesis testing with feedback,’’ IEEE Transactions on Systems, Man, and Cybernetics, vol. 25, pp. 21-42, Jan. 1995.

[2] D. A. Pados, P. Papantoni-Kazakos, D. Kazakos, and A. G. Koyiantis, ‘‘On-line threshold learning for Neyman-Pearson distributed detection,’’ IEEE Transactions on Systems, Man, and Cybernetics, vol. 24, pp. 1519-1531, Oct. 1994.

[1] S. N. Batalama, D. A. Pados, and T. S. Papatheodorou, ‘‘A heuristic single-row router minimizing interstreet crossings,’’ IEEE Transactions on Computer-Aided Design, vol. 12, pp. 946-955, July 1993.


Conference Publications --site under construction/updating--

[97] P. P. Markopoulos, G. N. Karystinos, and D. A. Pados, ‘‘Some options for L1-subspace signal processing,’’ in Proceedings Intern. Symposium on Wireless Communication Systems (ISWCS '13), Ilmenau, Germany, Aug. 27-30, 2013 (The 2013 ISWCS Best Paper Award in Physical Layer Comm. and Signal Processing). http://arxiv.org/abs/1309.1194

[96] M. Li, S. Kundu, D. A. Pados, and S. N. Batalama, ‘‘Secure waveforms for SISO channels,’’ in Proceedings IEEE ICASSP 2013 (International Conf. on Acoust., Speech, and Signal Proc.), Vancouver, Canada, May 26-31, 2013, pp. 4713-4717.

[95] P. P. Markopoulos, S. Kundu, and D. A. Pados, ‘‘Short-data-record filtering of PN-masked data,’’ in Proceedings IEEE ICASSP 2013 (International Conf. on Acoust., Speech, and Signal Proc.), Vancouver, Canada, May 26-31, 2013, pp. 4559-4563.

[94] Y. Liu and D. A. Pados, ‘‘Rate-adaptive compressive video acquisition with sliding-window total-variation-minimization reconstruction,’’ in Proceedings of SPIE, Compressive Sensing Conf., SPIE Defense, Security, and Sensing, Baltimore, MD, Apr. 29 – May 3, 2013, vol. 8717, pp. 03_1-03_13.

[93] H. Kulhandjian, L.-C. Kuo, T. Melodia, D. A. Pados, and D. Green, ‘‘Toward experimental evaluation of software-defined underwater networked systems,” in Proceedings Underwater Communications Conf. and Workshop (UCOMMS), Sestri Levante, Italy, Sept. 12 - 14, 2012, pp. 1-9 (invited paper).

[92] K. Gao, O. Ozdemir, D. A. Pados, S. N. Batalama, T. Melodia, and A. L. Drozd, ‘‘Joint admission control and resource allocation in cognitive code-division networks,” in Proceedings IEEE Intern. Workshop on Signal Proc. Advances in Wireless Comm. (SPAWC), Cesme, Turkey, June 17 - 20, 2012, pp. 149-153.

[91] M. Li, M. Kulhandjian, D. A. Pados, S. N. Batalama, M. J. Medley, and J. D. Matyjas, ‘‘On the extraction of spread-spectrum hidden data in digital media,” in Proceedings IEEE ICC 2012 (International Conf. on Comm.), Comm. and Inform. Syst. Security Symposium, Ottawa, Canada, June 10 - 15, 2012, pp. 1046-1050.

[90] S. Lee, W. Su, D. A. Pados, and J. D. Matyjas, ‘‘Optimal power assignment to minimize the average delay in hybrid-ARQ protocols,” in Proceedings IEEE ICC 2012 (International Conf. on Comm.), Wireless Communications Symposium, Ottawa, Canada, June 10 - 15, 2012, pp. 5462-5467.

[89] Y. Liu, M. Li, and D. A. Pados, ‘‘Decoding of purely compressed-sensed video,’’ in Proceedings of SPIE, Compressive Sensing Conf., SPIE Defense, Security, and Sensing, Baltimore, MD, Apr. 23-27, 2012, vol. 8365, pp. 0L_1-0L_9.

[88] N. Tsagarakis and D. A. Pados, ‘‘On linear block codes and deterministic compressive sampling,’’ in Proceedings of SPIE, Compressive Sensing Conf., SPIE Defense, Security, and Sensing, Baltimore, MD, Apr. 23-27, 2012, vol. 8365, pp. 06_1-06_7.

[87] S. Kundu, D. A. Pados, W. Su and R. Grover, ‘‘Makings of the 4x4 space-time block code of choice,” in Proceedings IEEE WCNC 2012 (Wireless Comm. and Networking Conf.), Paris, France, Apr. 1 - 4, 2012, pp. 618-623.

[86] M. Kulhandjian and D. A. Pados, ‘‘Uniquely decodable code-division via augmented Sylvester-Hadamard matrices,” in Proceedings IEEE WCNC 2012 (Wireless Comm. and Networking Conf.), Paris, France, Apr. 1 - 4, 2012, pp. 359-363.

[85] K. Gao, L. Ding, T. Melodia, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Spread-spectrum cognitive networking: Distributed channelization and routing,’’ in Proceedings IEEE MILCOM 2011 (Conf. on Military Communication), Baltimore, MD, Nov. 7 - 10, 2011, pp. 1250-1255 (Nomination for Best Paper Award by Track 3 - Cyber Security and Network Operations).

[84] Z. Guan, T. Melodia, D. Yuan, G. Scutari, and D. A. Pados, ‘‘Distributed spectrum management and relay selection in interference-limited cooperative wireless networks,’’ in Proceedings 17th ACM Intern. Conf. on Mobile Comp. and Net. (MobiCom), Las Vegas, NV, Sept. 19 - 23, 2011, pp. 1-12.

[83] S. Lee, W. Su, D. A. Pados, and J. D. Matyjas, ‘‘The optimal power assignment for cooperative hybrid-ARQ relaying protocol,’’ in Proceedings IEEE GLOBECOM 2011, Wireless Comm. Symposium, Houston, TX, Dec. 5 - 9, 2011, pp. 1-6.

[82] Y. Liu, M. Li, K. Gao, and D. A. Pados, ‘‘Motion compensation as sparsity-aware decoding in compressive video streaming,” in Proceedings 17th Intern. Conf. on Digital Signal Processing (DSP 2011), Corfu, Greece, July 6 - 8, 2011, pp. 1-5.

[81] M. Li, M. Kulhandjian, D. A. Pados, S. N. Batalama, and M. J. Medley ‘‘Passive spread-spectrum steganalysis,” in Proceedings IEEE ICIP 2011 (International Conf. on Image Proc.), Brussels, Belgium, Sept. 11 - 14, 2011, pp. 1957-1960.

[80] K. Gao, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Compressed sensing using generalized polygon samplers,” in Proceedings Forty Fourth Annual Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 7 - 10, 2010, pp. 359-363.

[79] S. Lee, W. Su, D. A. Pados, and J. D. Matyjas, ‘‘The average total power consumption of cooperative hybrid-ARQ on quasi-static Rayleigh fading links,” in Proceedings IEEE GLOBECOM 2010, Comm. QoS, Reliability and Modeling Symp., Miami, FL, Dec. 6 - 10, 2010, pp. 1-5.

[78] S. Kundu, W. Su, D. A. Pados, and M. J. Medley, ‘‘Fast maximum-likelihood decoding of 4x4 full-diversity quasi-orthogonal STBCs with QAM signals,” in Proceedings IEEE GLOBECOM 2010, Signal Proc. for Comm. Symp., Miami, FL, Dec. 6 - 10, 2010, pp. 1-5.

[77] M. Li, S. N. Batalama, D. A. Pados, T. Melodia, M. J. Medley, and J. D. Matyjas, ‘‘Cognitive code-division channelization with blind primary-system identification,’’ in Proceedings IEEE MILCOM 2010 (Conf. on Military Communication), San Jose, CA, Oct. 31 - Nov. 3, 2010, pp. 1460-1465.

[76] L. Ding, P. B. Nagaraju, T. Melodia, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Software-defined joint routing and waveform selection for cognitive ad hoc networks,’’ in Proceedings IEEE MILCOM 2010 (Conf. on Military Communication), San Jose, CA, Oct. 31 - Nov. 3, 2010, pp. 1454-1459.

[75] P. B. Nagaraju, L. Ding, T. Melodia, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Implementation of a distributed joint routing and dynamic spectrum allocation algorithm on USRP2 radios,” in Proceedings 2010 IEEE Comm. Society Conf. on Sensor, Mesh and Ad Hoc Comm. and Networks (SECON), Boston, MA, June 21 - 25, 2010, pp. 1-2.

[74] W. Su, F. Chen, D. A. Pados, and J. D. Matyjas, ‘‘The outage probability and optimum power assignment for differential amplify-and-forward relaying,” in Proceedings IEEE ICC 2010 (International Conf. on Comm.), Signal Proc for Comm. Symposium, Cape Town, South Africa, May 23 - 27, 2010, pp. 1-5 (The 2010 IEEE ICC Best Paper Award in Signal Processing for Communications).

[73] W. Su, S. Lee, D. A. Pados, and J. D. Matyjas, ‘‘The optimal transmission power per round for hybrid-ARQ Rayleigh fading links,” in Proceedings IEEE ICC 2010 (International Conf. on Comm.), Wireless Comm. Symposium, Cape Town, South Africa, May 23 - 27, 2010, pp. 1-5.

[72] M. Li, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘New bounds on the total-squared-correlation of quaternary signature sets and optimal designs,” in Proceedings IEEE GLOBECOM 2009, Comm. Theory Symposium, Honolulu, Hawaii, Nov. 30 - Dec. 4, 2009, pp. 1-5.

[71] K. Gao, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Cognitive CDMA channelization,” in Proceedings Forty Third Annual Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 1 - 4, 2009, pp. 672-676.

[70] M. Li, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘The maximum squared correlation, total asymptotic efficiency, and sum capacity of minimum total-squared-correlation quaternary signature sets,” in Proceedings 17th European Signal Proc. Conf. (EUSIPCO), Glasgow, Scotland, Aug. 24-38, 2009, pp. 1627-1631.

[69] L. Wei, D. A. Pados, S. N. Batalama, and M. J. Medley, ‘‘Sum-SINR/sum-capacity optimal multisignature spread-spectrum steganography,’’ in Proceedings of SPIE, Mobile Multimedia/Image Processing, Security, and Applications Conf., SPIE Defense & Security Symposium, Orlando, FL, Mar. 16-20, 2008, vol. 6982, pp. 0D_1-0D_10.

[68] G. N. Karystinos, D. A. Pados, S. N. Batalama, and J. D. Matyjas, ‘‘Auxiliary-vector detection on measured radar data,” in Proceedings IEEE Radar 2008 Conf., Rome, Italy, May 26-30, 2008, pp. 1134-1138.

[67] M. Li, S. N. Batalama, and D. A. Pados, ‘‘Population size identification for CDMA eavesdropping,’’ in Proceedings IEEE MILCOM 2007 (Conf. on Military Communication), Orlando, FL, Oct. 29-31, 2007, pp. 1-6.

[66] L. Wei, S. N. Batalama, D. A. Pados, and B. Suter, ‘‘Cooperative transmissions over code division multiplexing channels,’’ in Proceedings IEEE MILCOM 2007 (Conf. on Military Communication), Orlando, FL, Oct. 29-31, 2007, pp. 1-6.

[65] D. A. Pados, G. N. Karystinos, S. N. Batalama, and J. D. Matyjas, ‘‘Auxiliary-vector RADAR on MCARM data,’’ in Proceedings Forty First Annual Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 4-7, 2007, pp. 2028-2032.

[64] L. Wei, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Code division controlled-MAC in wireless sensor network by adaptive binary signature design,’’ in Proceedings of SPIE, Wireless Sensing and Processing II Conf., SPIE Defense & Security Symposium, Orlando, FL, Apr. 9-12, 2007, vol. 6577, pp. 04_1 -- 04_9.

[63] H. Ganapathy, D. A. Pados, and G. N. Karystinos, ‘‘New bounds on the aperiodic total squared correlation of binary signature sets and optimal designs,’’ in Proceedings IEEE ICC 2007 (International Conf. on Comm.), Comm. Theory Symposium, Glasgow, Scotland, UK, June 24-28, 2007, pp. 914-919.

[62] R. Grover, W. Su, and D. A. Pados, ‘‘PEP-bound rotation angle optimization of 8-transmit antenna quasi-orthogonal space-time block codes,’’ in Proceedings IEEE ICASSP 2007 (International Conf. on Acoust., Speech, and Signal Proc.), Honolulu, Hawaii, Apr. 15-20, 2007, vol. 3, pp. III_333 -- III_336.

[61] D. A. Pados, S. N. Batalama, G. N. Karystinos, and J. D. Matyjas, ‘‘Short-data-record adaptive detection,’’ in Proceedings IEEE Radar 2007 Conf., Boston, MA, Apr. 17-20, 2007, pp. 357-361.

[60] H. Ganapathy, R. Grover, and D. A. Pados, ‘‘Scalable TSC-optimal overloading of binary signature sets,’’ in Proceedings IEEE GLOBECOM 2006, Comm. Theory Symposium, San Francisco, CA, Nov. 27 - Dec. 1, 2006, pp. CTH06-5 1-6.

[59] L. Wei, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘SINR-optimized binary signatures by linear search,’’ in Proceedings IEEE GLOBECOM 2006, Wireless Comm. and Networking Symposium, San Francisco, CA, Nov. 27 - Dec. 1, 2006, pp. WLCp1-18 1-5.

[58] L. Wei, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Adaptive binary signature design for code division multiplexing,’’ in Proceedings IEEE MILCOM 2006 (Conf. on Military Communications), Washington, DC, Oct. 23-25, 2006, pp. 1-6.

[57] M. Li, S. N. Batalama, D. A. Pados, and J. D. Matyjas, ‘‘Multiuser CDMA signal extraction,’’ in Proceedings IEEE MILCOM 2006 (Conf. on Military Communications), Washington, DC, Oct. 23-25, 2006, pp. 1-5.

[56] G. N. Karystinos and D. A. Pados, ‘‘On the design of maximum-SINR binary spreading codes,’’ in Proceedings IEEE ICT 2006 (13th International Conf. on Telecomm.), Madeira, Portugal, May 9-12, 2006.

[55] G. N. Karystinos and D. A. Pados, ‘‘Bit-error-rate and maximum-SINR performance of the odd-length minimum-TSC binary signature sets,’’ in Proceedings IEEE ICT 2006 (13th International Conf. on Telecomm.), Madeira, Portugal, May 9-12, 2006.

[54] G. N. Karystinos and D. A. Pados, "Rank-2-optimal binary spreading codes,’’ in Proceedings CISS 2006 (40th Annual Conf. on Information Sciences and Systems), Princeton, NJ, Mar. 22-24, 2006, pp. 1534-1539.

[53] G. N. Karystinos and D. A. Pados, "Code division multiplexing properties of the odd-length minimum-TSC binary signature sets,’’ in Proceedings CISS 2006 (40th Annual Conf. on Information Sciences and Systems), Princeton, NJ, Mar. 22-24, 2006, pp. 1540-1545.

[52] R. Grover, D. A. Pados, and M. J. Medley, ‘‘Adaptive optimization of binary CDMA signatures in multipath environments,’’ in Proceedings IEEE MILCOM 2005 (Conf. on Military Communications), Atlantic City, NJ, Oct. 17-20, 2005, vol. 2, pp. 930-935.

[51] H. Ganapathy and D. A. Pados, ‘‘Optimal binary signature sets under cyclic shifts,’’ in Proceedings IEEE MILCOM 2005 (Conf. on Military Communications), Atlantic City, NJ, Oct. 17-20, 2005, vol. 2, pp. 890-896.

[50] P. Xiong, S. N. Batalama, D. A. Pados, and B. W. Suter, ‘‘Downlink multiuser transmit beamforming under total transmit power constraint,’’ in Proceedings IEEE MILCOM 2005 (Conf. on Military Commun.), Atlantic City, NJ, Oct. 17-20, 2005, vol. 1, pp. 393-397.

[49] Z. Liu and D. A. Pados, ‘‘Generalized quad, hex, and octagon LDPC codes,’’ in Proceedings IEEE GLOBECOM 2005, Comm. Theory Symposium, St. Louis, MO, Nov. 28 - Dec. 2, 2005, vol. 3, pp. 1137-1141.

[48] M. Gkizeli, D. A. Pados, S. N. Batalama, and M. J. Medley, "Blind iterative recovery of spread-spectrum steganographic messages,’’ in Proceedings IEEE ICIP 2005 (International Conf. on Image Proc.), Genova, Italy, Sept. 11-14, 2005, vol. 2, pp. 1098-1101.

[47] R. Grover, D. A. Pados, and M. J. Medley, ‘‘Super-resolution direction finding with an Auxiliary-Vector basis,’’ in Proceedings of SPIE, Digital Wireless Communications Conf., SPIE Defense & Security Symposium, Orlando, FL, Mar. 28 – Apr. 1, 2005, vol. 5819, pp. 357-365.

[46] H. Qian and D. A. Pados, ‘‘Filter estimation for multiuser detection with side user information,’’ in Proceedings IEEE MILCOM 2004 (Conf. on Military Communications), Monterey, CA, Oct. 31 - Nov. 3, 2004, pp. 1496-1502.

[45] M. Gkizeli, D. A. Pados, and M. J. Medley, "SINR, bit error rate, and Shannon capacity optimized spread-spectrum steganography,’’ in Proceedings IEEE ICIP 2004 (International Conf. on Image Proc.), Singapore, Oct. 24-27, 2004, vol. 3, pp. 1561-1564.

[44] Z. Liu and D. A. Pados, ‘‘LDPC codes from generalized polygons,’’ in Proceedings 1st IEEE Upstate NY Workshop on Comm. and Networking, Rochester, NY, Nov. 12, 2004, pp. 162-166.

[43] M. Gkizeli and D. A. Pados, "Image-adaptive spread-spectrum steganography,’’ in Proceedings CISS 2004 (38th Conf. on Information Sciences and Systems), Princeton, NJ, March 17-19, 2004, pp. 1570-1574.

[42] S. De, C. Qiao, D. A. Pados, and M. Chatterjee, ‘‘Topological and MAI constraints on the performance of wireless CDMA sensor networks,’’ in Proceedings IEEE INFOCOM 2004, Hong Kong, Mar. 7-11, 2004, vol. 1, pp. 256-265.

[41] G. N. Karystinos and D. A. Pados, ‘‘Code division multiplexing performance of minimum total-squared-correlation binary signature sets,’’ in Proceedings IEEE GLOBECOM 2003, Comm. Theory Symposium, San Francisco, CA, Dec. 1-5, 2003, vol. 4, pp. 1862-1866.

[40] G. N. Karystinos and D. A. Pados, ‘‘Binary CDMA signature sets with concurrently minimum total-squared-correlation and maximum-squared-correlation,’’ in Proceedings IEEE ICC 2003 (International Conf. on Comm.), Comm. Theory Symposium, Anchorage, AK, May 11- 15, 2003, vol. 4, pp. 2500-2503.

[39] Z. Liu and D. A. Pados, ‘‘Low complexity decoding of finite geometry LDPC codes,’’ in Proceedings IEEE ICC 2003 (International Conf. on Comm.), Comm. Theory Symposium, Anchorage, AK, May 11-15, 2003, vol. 4, pp. 2713-2717.

[38] G. N. Karystinos and D. A. Pados, ‘‘Performance analysis of doubly optimal CDMA spreading codes with odd length,’’ in Proceedings of SPIE, Digital Wireless Communication Conf., SPIE’s AeroSense, Orlando, FL, April 21-22, 2003, vol. 5100, pp. 215-226.

[37] L. P. Kondi, D. Srinivasan, D. A. Pados, and S. N. Batalama, ‘‘Layered video transmission over multirate DS-CDMA wireless systems,’’ in Proceedings of SPIE, Image and Video Communications and Processing Conf., IS&T/SPIE’s Electronic Imaging, Santa Clara, CA, Jan. 20-24, 2003, vol. 5022, pp. 289-300.

[36] G. N. Karystinos and D. A. Pados, ‘‘Fundamental code division multiplexing properties of minimum total-squared-correlation binary signature sets,’’ in Proceedings CISS 2003 (37th Conf. on Information Sciences and Systems), Baltimore, MD, March 12-14, 2003, vol. ?, pp. ?-?.

[35] G. N. Karystinos and D. A. Pados, ‘‘Minimum total-squared-correlation design of DS-CDMA binary signature sets,’’ in Proceedings IEEE GLOBECOM 2001, Comm. Theory Symposium, San Antonio, TX, Nov. 25-29, 2001, vol. 2, pp. 801-805.

[34] Z. Liu and D. A. Pados, ‘‘Reliability-based near maximum-likelihood multiuser detection,’’ in Proceedings IEEE MILCOM 2001 (Conf. on Military Communications), Tysons Corner, VA, Oct. 28-31, 2001, vol. 1, pp. 576-580.

[33] L. P. Kondi, S. N. Batalama, D. A. Pados, and A. K. Katsaggelos, ‘‘Joint source-channel coding for scalable video over DS-CDMA multipath fading channels,’’ in Proceedings IEEE ICIP 2001 (International Conf. on Image Proc.), Thessaloniki, Greece, Oct. 7-10, 2001, vol. 1, pp. 994-997.

[32] G. N. Karystinos and D. A. Pados, ‘‘New bounds on the total-squared-correlation and optimum design of DS-CDMA binary signature sets,’’ in Proceedings IEEE ICT 2001 (International Conf. on Telecomm.), Bucharest, Romania, June 4-7, 2001, vol. 3, pp. 260-265 (IEEE ICT 2001 Best Paper Award).

[31] Z. Liu and D. A. Pados, ‘‘Near-ML multiuser detection,’’ in Proceedings of SPIE, Digital Wireless Communication Conf., AeroSense, Orlando, FL, April 17-18, 2001, vol. 4395, pp. 65-74.

[30] G. N. Karystinos and D. A. Pados, ‘‘Adaptive assignment of binary user spreading codes in DS-CDMA systems,’’ in Proceedings of SPIE, Digital Wireless Communication Conf., AeroSense, Orlando, FL, April 17-18, 2001, vol. 4395, pp. 137-144.

[29] D. A. Pados and G. N. Karystinos, ‘‘Short-data-record estimators of the MVDR/MMSE filter,’’ in Proceedings IEEE ICASSP 2000 (International Conf. on Acoust., Speech, and Signal Proc.), Istanbul, Turkey, June 5-9, 2000, vol. 1, pp. 384-387.

[28] D. A. Pados and G. N. Karystinos, ‘‘A sequence of MVDR filter estimators,’’ in Proceedings ICT 2000 (International Conf. on Telecomm.), Acapulco, Mexico, May 22-25, 2000, vol. 2, pp. 790-794.

[27] G. N. Karystinos and D. A. Pados, "Recovering the phase of blind DS/CDMA channel estimates,’’ in Proceedings ICT 2000 (International Conf. on Telecomm.), Acapulco, Mexico, May 22-25, 2000, vol. 2, pp. 1010-1014.

[26] G. N. Karystinos and D. A. Pados, ‘‘Multiuser differential-PSK demodulators for DS/CDMA signals,’’ in Proceedings of SPIE, Digital Wireless Communication Conf., AeroSense, Orlando, FL, April 27-28, 2000, vol. 4045, pp. 155-166.

[25] G. N. Karystinos and D. A. Pados, "Supervised phase correction of blind space-time DS/ CDMA channel estimates,’’ in Proceedings CISS 2000 (34th Conf. on Information Sciences and Systems), Princeton, NJ, March 15-17, 2000, vol. I, pp. TA8a5-TA8a10.

[24] G. N. Karystinos and D. A. Pados, ‘‘On DPSK demodulation of DS/CDMA signals,’’ in Proceedings IEEE GLOBECOM’99, Comm. Theory Symposium, Rio de Janeiro, Brazil, Dec. 5-9, 1999, vol. 5, pp. 2487-2492.

[23] S. N. Batalama, M. J. Medley, and D. A. Pados, ‘‘Adaptive robust DS-SS signal processing with short data records,’’ in Proceedings American Inst. of Aeronautics and Astronautics (AIAA) 1999 Space Technology Conf., Albuquerque, NM, Sept. 28-30, 1999, pp. ?-?, and in Proceedings 1999 Workshop on Defense Applications of Signal Proc. (DASP’99), LaSalle, IL, Aug. 22-27, 1999, pp. 19-24.

[22] D. A. Pados, M. J. Medley, and S. N. Batalama, ‘‘Adaptive antenna array receivers for spread- spectrum signals in impulsive noise,’’ in Proceedings of SPIE, Digital Wireless Communication Conf., AeroSense, Orlando, FL, April 5, 1999, vol. 3708, pp. 118-127.

[21] D. A. Pados, J. H. Michels, T. Tsao, and M. C. Wicks, ‘‘Joint domain space-time adaptive processing with small training data sets,’’ in Proceedings 1998 IEEE Radar Conf., Dallas, TX, May 11-14, 1998, pp. 99-104.

[20] D. A. Pados and S. N. Batalama, ‘‘Joint space-time auxiliary-vector filtering for DS/CDMA systems with antenna arrays,’’ in Proceedings CISS’98 (32nd Conf. on Information Sciences and Systems), Princeton, NJ, March 18-20, 1998, vol. II, pp. 1007-1013.

[19] D. A. Pados and S. N. Batalama, ‘‘Fast joint space-time adaptive processing for DS/CDMA antenna array systems,’’ in Proceedings ICT’98 (International Conf. on Telecomm.), Porto Carras, Greece, June 22-25, 1998, vol. I, pp. 377-381.

[18] S. N. Batalama, M. J. Medley, and D. A. Pados, ‘‘Outlier resistant DS-SS signal processing,’’ in Proceedings Thirty Second Annual Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, California, Nov. 1-4, 1998, vol. 1, pp. 573-577.

[17] D. A. Pados and S. N. Batalama, ‘‘Fast space-time adaptive processing for DS/SS antenna array systems,’’ in Proceedings IEEE MILCOM’98 (Conf. on Military Communications), Boston, MA, Oct. 18-21, 1998, vol. 1, pp. 328-332.

[16] A. Kansal, S. N. Batalama, and D. A. Pados, ‘‘Linear maximum SINR RAKE processing for frequency-selective DS-CDMA channels,’’ in Proceedings CISS’97 (31st Conf. on Information Sciences and Systems), Baltimore, MD, March 22-24, 1997, pp. 972-977.

[15] D. A. Pados, F. J. Lombardo, and S. N. Batalama, ‘‘Adaptive minimum bit-error-rate steering of auxiliary-vector DS/CDMA detectors,’’ IEEE Intern. Symposium on Inform. Theory, Uhlm, Germany, June 29 - July 4, 1997, p. 488,

and invited paper in Proceedings ICT’97 (International Conf. on Telecomm.), Melbourne, Australia, April 2-5, 1997, pp. 389-394.

[14] I. N. Psaromiligkos, S. N. Batalama, and D. A. Pados, ‘‘On the bit error rate surfaces of linear DS-CDMA receivers,’’ in Proceedings CISS’97 (31st Conf. on Information Sciences and Systems), Baltimore, MD, March 22-24, 1997, pp. 713-718.

[13] D. A. Pados and S. N. Batalama, ‘‘Auxiliary-vector DS/CDMA receivers,’’ in Proceedings International Symp. on Information Theory and its Applications, Victoria, B.C., Canada, Sept. 17-20, 1996, pp. 547-550.

[12] D. A. Pados and S. N. Batalama, ‘‘FIR filters for blind detection of CDMA signals,’’ in Proceedings 8th IEEE Signal Proc. Workshop on Stat. Signal and Array Processing, Corfu, Greece, June 24-26, 1996, pp. 494-497.

[11] I. N. Psaromiligkos, S. N. Batalama, and D. A. Pados, ‘‘Adaptive minimum probability of error linear-filter receivers for DS-CDMA channels,’’ in Proceedings CISS’96 (30th Conf. on Information Sciences and Systems), Princeton, NJ, March 19-21, 1996, pp. 90-94.

[10] S. N. Batalama, D. A. Pados, and I. N. Psaromiligkos, ‘‘Minimum bit-error-rate decision fusion receivers for robust DS/Spread-Spectrum communications," in Proceedings IEEE MILCOM’96 (Conf. on Military Comm.), McLean, VA, Oct. 29-31, 1996, vol. 3, pp. 959- 963.

[9] S. N. Batalama and D. A. Pados, ‘‘On Wiener reconstruction filters and DS/CDMA multiuser detection,’’ invited paper in Proceedings ICT’96 (International Conf. on Telecomm.), Istanbul, Turkey, April 12-16, 1996, pp. 418-422.

[8] S. N. Batalama and D. A. Pados, ‘‘Blind real-time low-complexity receivers for DS-CDMA mobile users,’’ in Proceedings IEEE GLOBECOM’95, Comm. Theory Mini Conf., Singapore, Nov. 13-17, 1995, pp. 122-125.

[7] D. A. Pados and P. Papantoni-Kazakos, ‘‘A note on the estimation of the generalization error and the prevention of overfitting,’’ invited paper in Proceedings IEEE ICNN’94 (International Conf. on Neural Networks), Orlando, FL, June 27 - July 2, 1994, vol. 1, pp. 321-326.

[6] D. A. Pados and P. Papantoni-Kazakos, ‘‘A class of Neyman-Pearson and Bayes learning algorithms for neural classification,’’ in Proceedings IEEE ISIT’94 (International Symp. on Information Theory), University of Trondheim, Trondheim, Norway, June 27- July 1, 1994, p. 218.

[5] D. A. Pados and P. Papantoni-Kazakos, ‘‘Using radial basis function networks for the training of multilayer perceptrons,’’ in Proceedings CISS’94 (28th Conf. on Information Sciences and Systems), Princeton, NJ, March 16-18, 1994, pp. 970-975.

[4] D. A. Pados and P. Papantoni-Kazakos, ‘‘New learning algorithms for binary hypothesis testing with guaranteed convergence to the optimal Neyman-Pearson or Bayes designs,’’ in Proceedings WCNN’93 (World Congress on Neural Networks), Portland, OR, July 11-15, 1993, pp. ?-?.

[3] D. A. Pados, P. Papantoni-Kazakos, D. Kazakos, and A. G. Koyiantis, ‘‘Information measures for learning in neural binary classifiers,’’ in Proceedings CISS’93 (27th Conf. on Information Sciences and Systems), Baltimore, MD, March 24-26, 1993, pp. 852-857.

[2] D. A. Pados, P. Papantoni-Kazakos, D. Kazakos, and A. G. Koyiantis, ‘‘The use of the Kullback-Leibler distance for learning in neural binary classifiers,’’ in Proceedings COMCON 4 (4th International Conf. on Advances in Communication and Control Systems), special session on Neural Network Frontiers in Communication Systems, Rhodes, Greece, June 14-18, 1993, pp. 674-685, and invited paper in Proceedings First US/Japan Conf. on the Frontiers of Statistical Modeling, Volume 3: Engineering and Scientific Applications, H. Bozdogan, Ed., Kluwer Academic Publ., Knoxville, TN, May 24-29, 1993, pp. 267-292.

[1] K. W. Halford, D. Kazakos, D. A. Pados, and P. Papantoni-Kazakos, ‘‘Neural network structures with feedback in binary hypothesis testing,’’ in Proceedings IEEE Intern. Conf. on Syst., Man, and Cybern., Charlottesville, VA, Oct. 13-16, 1991, vol. 3, pp. 1479-1486.