Current telecommunication systems are implemented on powerful digital platforms. Software-Defined Radio (SDR) is the paradigms that includes algorithm for coding and modulation on wireless channels.

 

E. Venosa, F.J. harris and F.A.N. Palmieri, Software Radio. Sampling Rate Selection, Design and Synchronization, Springer Verlag, 2011 (book), ISBN: 978-1-4614-0112-4.

 

Sphere Decoding

 Exponential complexity of decoding is approached using a graph-based suboptimal method. 

 

 

• G. Romano, D. Ciuonzo, P. Salvo Rossi and F. A. N. Palmieri, "Low-complexity dominance-based sphere decoder for MIMO systems," Signal Processing, vol. 93, pp. 2500–2509, Available online 19 February 2013, DOI: 10.1016/j.sigpro.2013.02.011.

 

Energy-Division Multiple Access

One of the methods for a  channel to be shared  by multiple users is by means of energy diversity. The paradigm is explored in our work.    

 

 

• P. Salvo Rossi, D. Ciuonzo, G. Romano, Palmieri F, "On the Performance of Energy-Division Multiple Access over Fading Channels," Wireless Personal Communications, ISSN: 0929-6212, January 26, 2012, DOI: 10.1007/s11277-012-0511-z.

 

• P. Salvo Rossi, G. Romano, F. Palmieri, "On the Performance of Energy-Division Multiple Access with Regular Constellations," Wireless Personal Communications, Springer, Nov 2010.

 

 

• P. Salvo Rossi, G. Romano, D. Mattera, F. Palmieri, S. Marano, "A Scheme for Multiuser Communications based on Energy Division," Conference on Information Sciences and Systems (CISS 2007), pp. 1-5, March 2007, (Baltimore, MD, USA); ISBN: 1-4244-1063-3; DOI: 10.1109/CISS.2007.4298371.
• P. Salvo Rossi, G. Romano, D. Mattera, F. Palmieri, S. Marano, "An Energy-Division Multiple Access Scheme," Proc. of 9th International Conference on Information Fusion (FUSION), pp. 1-5, July 2006, (Florence, Italy); ISBN: 1-4244-0953-5; DOI: 10.1109/ICIF.2006.301771.

 

TI-ADC

 

 

• F. harris, X. Chen, E. Venosa and F. Palmieri, "Two Channel TI-ADC for Communication Signals," Proceedings of SPAWC 2011, The 12th IEEE International Workshop on Signal Processing Advances in Wireless Communications, San Francisco, CA, June 26-29, 2011, ISBN: 978-1-4244-9333-3, DOI: 10.1109/SPAWC.2011.5990478.

 

MIMO-OFDM

 

• P. Salvo Rossi, G. Romano, D. Ciuonzo, F. Palmieri, ''Gain Design and Power Allocation for Overloaded MIMO-OFDM Systems with Channel State Information and Iterative Multiuser Detection," Proc. of IEEE International Symposium on Wireless Communication Systems 2011, Aachen, Germany, 6th - 9th November, 2011.

 

Band-Pass Sampling

 Sampling at frequency below the Nyquist bound are used for demodulation and efficient implementations.  

 

• F. Palmieri, E. Venosa, A. Petropulu, G. Romano, P. Salvo Rossi, "Sparse Sampling for Software Radio Receivers," Proceedings of the 11th IEEE International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2010, Marrakech, Marocco, 20-23 June 2010, ISBN: 978-1-4244-6990-1 ; DOI: 10.1109/SPAWC.2010.5671084.

 

Underdetermined MIMO

 

 

• G. Romano, D. Ciuonzo, P. Salvo Rossi and Francesco Palmieri, "Tree-search ML detection for underdetermined MIMO systems with M-PSK constellations," Proceedings of the The Seventh International Symposium on Wireless Communication Systems, ISWCS10, York, The University of York, United Kingdom, 19th-22nd September, 2010; ISBN: 978-1-4244-6315-2; DOI: 10.1109/ISWCS.2010.5624392.

 

 

• Gianmarco Romano, Francesco Palmieri, Pierluigi Salvo Rossi, D. Mattera, "A tree-search algorithm for ML decoding in underdetermined MIMO systems," Proceedings of the Sixth International Symposium on Wireless Communication Systems, ISWCS'09 Siena-Tuscany, Italy, September 7­10, 2009; ISBN: 978-1-4244-3584-5; DOI: 10.1109/ISWCS.2009.5285309.

 

Blind Synchronization

A scheme for blind sysnchonization based on an entropy criterion is proposed in this work. 

 

• F. Palmieri, G.Romano, E. Venosa, "Qam Receiver with Band-Pass Sampling and Blind Synchronization," Proceedings of 2009 IEEE Aerospace Conference, March 7-14, 2009, Big Sky, Montana; ISBN: 978-1-4244-2621-8; DOI: 10.1109/AERO.2009.4839422.

 

Jitter Model

A stochastic model for jitter in OFDM-like modulation is proposed. 

 

• F. Palmieri, G. Romano, and E. Venosa, "A Jitter Model for OFDM Systems," in Proc. of the 41st Conference on Informaton Sciences and Systems (CISS), pp. 105-110. ISBN: 978-1-4244-2246-3. Princeton University, Princeton, NJ, USA, 19-21 Mar. 2008. DOI:10.1109/CISS.2008.4558504

 

Distributed Coding

 

 

• Pierluigi Salvo Rossi, Athina P. Petropulu, Francesco Palmieri, and Giulio Iannello, "Distributed Linear Block Coding for Cooperative Wireless Communications," IEEE Signal Processing Letters, Vol. 14, No. 10, pp. 673-676, October 2007; ISSN: 1070-9908; DOI: 10.1109/LSP.2007.896396.
• P. Salvo Rossi, S. Yattawatta, A. P. Petropulu, F. Palmieri, and G. Iannello, ''A Distributed Coding Cooperative Scheme for Wireless Communications,'' Proceedings of IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2005), New York, USA, 5-8 June 2005, pp. 89-93; ISBN: 0-7803-8867-4; DOI: 10.1109/SPAWC.2005.1505874.

 

MIMO Equalization

 

 

• D. Mattera, F. Palmieri, "A new design paradigm for MIMO dispersive channel DF equalizer," Conference on Information Sciences and Systems (CISS 2007), Baltimore (MD, USA), March 2007; ISBN: 1-4244-1063-3; DOI: 10.1109/CISS.2007.4298421.
• D. Mattera, F.Palmieri, G. D'Angelo, "Bidirectional MIMO equalizer design,'' Proc. European Signal Processing Conference 2006, Firenze (Italia), 4-8 Settembre 2006.
• D. Mattera, F. Palmieri, "Decision-Feedback Equalization over Dispersive MIMO Channel," Proceedings of the Conference on Information Sciences and Systems, CISS 2004, Princeton, March 2004.

 

CDMA

 

 

• G. Romano, D. Ciuonzo, F. Palmieri, P. Salvo Rossi, "Group Gain Design for Overloaded CDMA," IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), pp. 1-5, June 2007 (Helsinki, Finland); ISBN: 978-1-4244-0954-9; DOI: 10.1109/SPAWC.2007.4401380.
• G. Romano, D. Ciuonzo, F. Palmieri, P. Salvo Rossi, "On Asymptotic Efficiency for Asynchronous CDMA," Conference on Information Sciences and Systems (CISS 2007), pp. 1-5, March 2007, (Baltimore, MD, USA); ISBN: 1-4244-1063-3; DOI: 10.1109/CISS.2007.4298295.
• G. Romano, F. Palmieri, P.K. Willett, and D. Mattera, "Asymptotic multiuser efficiency in overloaded CDMA," Proc. of the 40th Conference on Information Sciences and Systems (CISS 2006), Princeton University, NJ, USA, 22-24 March 2006; ISBN: 1-4244-0349-9; DOI: 10.1109/CISS.2006.286527.
• G. Romano, F. Palmieri, P.K.Willett and D. Mattera, "Separability and Gain Control for overloaded CDMA," Proceedings of Conference on Information Sciences and Systems (CISS 2005), The John Hopkins University, Baltimore, MD, USA, March 16-18, 2005.
• G. Romano, F. Palmieri and P. K. Willett, "Soft iterative decoding for overloaded CDMA," Proc. of the 30th IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Philadelphia, PA, USA, March19-23, 2005; ISBN: 0-7803-8874-7; DOI:10.1109/ICASSP.2005.1415814.
• G. Romano, P. Willett, F. Palmieri, "Application of PDA to Coded Synchronous CDMA System," Proceedings of the Conference on Information Sciences and Systems, CISS 2004, Princeton, March 17-19, 2004.

 

Packet Channel Modelling

 A powerful model for packet channels based on a Hidden Markov Model (HMM) is proposed and verified on experimental packet traffic.  

 

• P. Salvo Rossi, F. Palmieri, "On time diversity for packet channels," Elsevier Computer Communications, vol. 31, no. 14, pp. 3307-3314, Sept. 2008; doi: 10.1016/j.comcom.2008.05.017.
• A. Dainotti, A. Pescapè, P. Salvo Rossi, F. Palmieri, G. Ventre, "Internet Traffic Modeling by means of Hidden Markov Models," Elsevier Computer Networks, vol. 52, no. 14, pp. 2645-2662, October 2008; doi:10.1016/j.comnet.2008.05.004.
• P. Salvo Rossi, G. Romano, F. Palmieri, G. Iannello, "Joint End-to-End Loss-Delay Hidden Markov Model for Periodic UDP Traffic over the Internet," IEEE Transactions on Signal Processing, Vol. 54, N.2, pp. 530-541, Feb. 2006; ISSN: 1053-587X; DOI: 10.1109/TSP.2005.861066.
• A. Dainotti, A. Pescapè, P. Salvo Rossi, G. Iannello, F. Palmieri, G. Ventre, "An HMM Approach to Internet Traffic Modeling," IEEE GlobalTelecommunications Conference(GLOBECOM), pp. 1-6, December 2006, (San Francisco, CA, USA); ISBN: 1-4244-0356-1; DOI: 10.1109/GLOCOM.2006.453.
• G. Iannello, F. Palmieri, A. Pescapè and P. Salvo Rossi, ''End-to-End Packet Channel Bayesian Model Applied to Heterogeneous Wireless Network," Proceedings of IEEE Global Telecommunications Conference (GLOBECOMM 2005), St. Louis, MO, USA Nov. 28- Dec. 1, 2005, Vol. 1, pp. 484-489; ISBN: 0-7803-9414-3; DOI: 10.1109/GLOCOM.2005.1577673.
• P. Salvo Rossi, F. Palmieri, G. Iannello, "HMM-based Packet Channel Monitoring," Proceedings of IEEE International Conference on High Speed Networks and Multimedia Communications (HSNMC 2004), Toulouse, 30 June - 2 July 2004, in Lecture Notes in Computer Sciences, Springer-Verlag Heidelberg, Vol. 3079/2004, pp. 144-154; ISBN 3-540-22262-6.
• P. Salvo Rossi, Romano G., Palmieri F., Iannello G., "Interleaving for Packet Channels," Proceedings of the Conference on Information Sciences and Systems, CISS 2004, Princeton, March 2004, pp. 1560-1564.
• P. Salvo Rossi, Palmieri F., Iannello G. and Petropulu A.P., "Packet Interleaving over Lossy Channels," Proceedings of IEEE International Symposium on Signal Processing and Information Technology (ISSPIT 2004), Rome, Italy, December 2004, pp. 476-479; ISBN: 0-7803-8689-2; DOI: 10.1109/ISSPIT.2004.1433821.
• Avallone S., Salvo Rossi P., La Marca V., Iannello G., Palmieri F. and Ventre G., "Congestion Control for UDP Traffic," Proceedings of IEEE International Symposium on Signal Processing and Information Technology (ISSPIT 2004), Rome, Italy, Decembre 2004, pp. 258-261; ISBN: 0-7803-8689-2; DOI: 10.1109/ISSPIT.2004.1433735.
• P. Salvo Rossi, Palmieri F., Petropulu A.P., J. Yu, Iannello G., ''Internet Loss-Delay Modeling by Use of Input/Output Hidden Markov Models,'' Proceedings of IEEE Int. Symp. on Multimedia Signal Processing (MMSP 2004), Siena, Sept. 29-Oct. 1, pp. 470-473; ISBN: 0-7803-8578-0; DOI: 10.1109/MMSP.2004.1436597.
• Salvo Rossi P., Romano G., Palmieri F., Iannello G., "A Hidden Markov Model for Packet Channels," Proceedings of IIEEE International Symposium on Signal Processing and Information Technology (ISSPIT 2003), Darmstadt, 14-17 December 2003, pp. 50-53.
• Salvo Rossi P., Romano G., Palmieri F., Iannello G., "Bayesian Modelling for Packet Channels," Proceedings of XIV Workshop on Neural Nets (WIRN 2003), Springer-Verlag, Vietri s.m., 5-7 June 2003.

 

Coding for the Packet Channel

Network channels often experience loss of data packets. Models and coding schemes are proposed for rendering the communication robust with respect to channel losses.  

 

• G. Romano, P. Salvo Rossi, F. Palmieri, "Optimal Correlating Transform for Erasure Channels," IEEE Signal Processing Letters, Vol. 12, N. 10, pp. 677-680, Oct. 2005; ISSN: 1070-9908; DOI: 10.1109/LSP.2005.855557.
• P. Salvo Rossi, Palmieri F., Iannello G., ''An Algebraic Approach for Path-Diversity in Multiple-Description-Coding Scenario,'' Proceedings of Conference on Information Sciences and Systems (CISS 2005), The Johns Hopkins University, Baltimore, March 16-18, 2005.
• G. Romano, Salvo Rossi P. and Palmieri F., "Multiple Description Image Coder Using Correlating Transform," Proceedings of European Signal Processing Conference, EUSIPCO 2004, Vienna, Sept 2004, pp. 1321-1324.
• G. Romano, F. Palmieri, "An Algorithm for Transform Coding on Lossy Packet Networks," Proceedinds of Conference on Information Sciences and Systems (CISS-2003), The Johns Hopkins University, Baltimore, MD, March 2003.
• Palmieri F., Paolo Guerra, Giovanni Micera, Gianmarco Romano, Sergio Zampognaro, "Optimal Transform Coding for Audio and Images on Lossy Packet Channels," Proceedings of Int. Conference Packet Video 2000, Forte Village, Italy, March 2000.