Wireless Communications

·         Multiple antennas systems (receivers and transmitters): channel estimation and equalization, Direction of Arrivals estimation, adaptive antennas and SIMO/MIMO systems, algebraic and subspace methods, linear multiuser receivers (DS-CDMA) and performance evaluation, precoding/decoding design in single-/multi-user MIMO systems, HW/SW developments for GSM, TDD-UMTS, TD-SCDMA, IEEE802.16d/e (WiMAX).

·         Soft-iterative (TURBO) receivers

·         Scheduling and Adaptive Modulation-Coding (PHY-MAC Xlayer design): opportunistic methods in broadcast MISO/MIMO channels, channel aware scheduling and MAC for IEEE802.16d/e (WiMAX) and HSDPA,

·         Cooperation/competition and cognitive communication systems: min. energy scheduling, cooperative transmission, multicell processing, relay-systems, cognitive radio, distributed synchronization

·         Radio localization: localization of moving terminals, TOA and RSSI methods, application to WiFi, UWB and WSN

·         Semi-analytic methods for PHY-level performance analysis: adaptive antennas in CDMA, TH-UWB, OFDMA

 

Statistical Signal Processing

·                    Estimation of shape parameters in wavefront

·                   Time of Delay estimation

·                   Optical Signal Processing

 

 

Signal Processing for Geophysics

·                    High-resolution velocity analysis, AVO and delays estimation (picking)

·                    Tomographic methods and inverse problems

·                    Wavefield estimation/separation, pre-stack wavefield interpolation (Shot Continuation Operator – SCO)

 

 

Signal Processing for Remote Sensing

·                   Non-Gaussian noise cancellation

·                   Ground Penetrating Radar and UWB radar processing

·                   2D Phase Unwrapping for interferometric synthetic aperture radar (SAR) imaging

 

 

Home Page (U.Spagnolini)

 

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Publications are in chronological order and few of them might be duplicated to show the synergy among different areas.

 

Wireless Communications: Multiple antennas systems (receivers and transmitters)

 

Journals:

S. Savazzi, O. Simeone and U. Spagnolini, Optimal design of non-uniform linear arrays in cellular systems by out-of-cell interference minimization, EURASIP Journal on Wireless Communications and Networking, vol. 2007, Article ID 93421, 9 pages, 2007 (pdf).

M. Cicerone, O. Simeone and U. Spagnolini, Channel estimation for MIMO-OFDM systems by modal analysis/filtering, IEEE Trans. on Communications, vol.54, n.11, pp.2062-2074, Nov.2006 (pdf).

M.Nicoli e U.Spagnolini, Subspace methods for space-time processing, in “Smart Antennas – State of the Art” in Cap.1: Receiver processing, EURASIP-Book series Hindawi Publ. Corp., 2006. (pdf)

M.Nicoli and U.Spagnolini, Reduced rank channel estimation for time-slotted mobile communication system, IEEE Trans. On Signal Processing, Vol. 53, n. 3, pp. 926-944 March 2005 (pdf)

O.Simeone and U.Spagnolini, Lower bound on training-based channel estimation error for frequency-selective block-fading Rayleigh MIMO channels, IEEE Trans. Signal Processing, Vol. 52, n. 11, pp. 3265-3277, Nov.2004. (pdf)

O.Simeone, Y.Bar-Ness, U.Spagnolini, Linear and non-linear preequalization/equalization for MIMO systems with long-term channel state information at the transmitter, IEEE Trans. on Wireless Communications, Vol. 3, n. 2, pp.373-378, March 2004. (pdf)

J. Picheral, U. Spagnolini, Angle and delay estimation of space-time channels for TD-CDMA systems, IEEE Trans. on Wireless Communications, Vol. 3, n. 3, pp. 758-769, May 2004. (pdf)

U.Spagnolini, A simplified model to evaluate the probability of error in DS-CDMA systems with adaptive antenna arrays, IEEE Trans. on Wireless Communications, Vol. 3, n. 2, pp. 578-587, March 2004. (pdf)

O.Simeone, Y.Bar-Ness, U.Spagnolini, Pilot-based channel estimation for OFDM systems by tracking the delay-subspace, IEEE Trans. on Wireless Communications, Vol.3, n. 1, pp. 315-325, Jan. 2004 (pdf)

M.Nicoli, O.Simeone, U.Spagnolini, Multi-slot estimation of fast-varying space-time communication channels, IEEE Trans. on Signal Processing, Vol.51, n.5, pp.1184-1195, May 2003. (pdf)

M.Nicoli, O.Simeone, U.Spagnolini, Multislot estimation of frequency-selective fast-varying channels, IEEE Trans. Communications, Vol.51, n.8, pp.1337-1347, Aug. 2003. (pdf)

O.Simeone and U.Spagnolini, Combined linear pre-equalization and BLAST equalization with channel correlation feedback, IEEE Comm. Letters, Vol.7, n. 10, pp.487-489, Oct. 2003. (pdf)

M.Nicoli, O.Simeone, U.Spagnolini, Multislot Estimation of Fast-Varying Space-Time Channels in TD-CDMA System, IEEE Communications Letters, Vol.6, n.9, pp.376-378, Sept. 2002. (pdf)

U. Spagnolini, Adaptive Rank-One Reciver for GSM/DCS System, IEEE Trans. Vehicular Technology, Vol.51, n.5, pp.1264-1271, Sept. 2002. (pdf)

 

Conferences:

M.Nicoli, L.Sampietro, C.Santacesaria, U.Spagnolini, D.Archetti, A.Bonfanti, M.Sala, Deployment and design of multiantenna solutions for fixed WiMAX systems, European Conf on Fixed Wireless  Networks and Technologies (ECRR’07), Paris, 3-5 April 2007 (pdf).

O. Simeone and U. Spagnolini, Estimation of block-fading channels with reduced-rank correlation matrix, in Proc. Conference on Information Sciences and Systems, 2007 (CISS-2007), The Johns Hopkins Univ. Baltimore 14-16 March 2007. (pdf).

M.Nicoli, L.Sampietro, C.Santacesaria, S.Savazzi,  O.Simeone and U.Spagnolini, Throughput optimization for non-uniform linear antenna arrays in multicell WiMAX systems, Proc. International ITG - IEEE Workshop on Smart Antennas (WSA2006), Ulm 13-14 March 2006. (pdf).

R. Bosisio, M. Nicoli, U. Spagnolini: Kalman filter of channel modes in time-varying wireless systems, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Vol. n. 3, pp. 785-788, 18-23 Mar. 2005 (pdf)

S. Savazzi, O. Simeone, U. Spagnolini, Optimal design of linear arrays in a TDMA cellular system with Gaussian interference, IEEE Signal Processing Advances on Wireless Communications (SPAWC’05), June 5-8, New York City, 2005. (pdf)

O.Simeone and U. Spagnolini, Adaptive pilot pattern for OFDM systems, IEEE International Conferences on Communications (ICC’04), Vol. 2, pp. 978-982, 20-24 June 2004, Paris (pdf)

M. Cicerone, O. Simeone, N. Geng, U. Spagnolini, Modal analysis/filtering to estimate time-varying MIMO-OFDM channels, ITG Workshop on Smart Antennas (WSA), pp.35-40, March 18-19, Munich 2004 (pdf)

O. Simeone, U. Spagnolini, Channel estimation for block-fading frequency-selective Rayleigh MIMO channels: performance limits, IEEE 59th Vehicular Technology Conference (VTC2004-Spring), Vol. 2, pp. 856-860, Milan May 17-19, 2004  (pdf)

O. Simeone and U. Spagnolini, Channel estimation for block-fading frequency-selective rayleigh MIMO channels: performance limits, IEEE 59th Vehicular Technology Conference (VTC2004-Spring), Vol. 5, pp. 2595-2599, Milan May 17-19, 2004 (pdf)

G. Primolevo , O. Simeone, U. Spagnolini, Effects of imperfect channel state information on the capacity of broadcast OSDMA-MIMO Systems, IEEE Signal Processing Advances on Wireless Communications (SPAWC’04), pp.546-550, July 11-14 Lisbon, 2004 (pdf)

O.Simeone and U.Spagnolini, Lower bounds on the channel estimation error for fars-varying frequency-selective Rayleigh MIMO channels Proc. IEEE Int. Conf. Acoustics, Speech, and Signal Processing (ICASSP 2003), Vol.5, pp.V-69-72. (pdf)

J. Picheral, U.Spagnolini, Parametric estimation of space-time channels with spatially correlated noise by JADE-ESPRIT, 7th International Symposium on Signal Processing and its Applications (ISSPA), Paris 1-4, July 2003, Vol.2, pp.415 -418. (pdf)

O.Simeone, U.Spagnolini, Y.Bar-Ness, Linear and non-linear precoding/decoding for MIMO systems using the fading correlation at the transmitter, IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), pp.6-10, Rome 15-18 June 2003 (pdf)

M.Nicoli, O.Simeone, U.Spagnolini, Subspace tracking for uplink/downlink array processing in CDMA systems, GLOBECOM 2003 (Wireless Communications Symp.) , Vol. 2, pp. 824-828, 1-5 Dic.2003 (pdf)

M. Nicoli, O. Simeone, and U. Spagnolini, Multi-slot estimation of fast-varying space-time communication channels, TD(03)042, pp. 1-12, COST 273 6th MCM, Barcelona, 15-17 Jan. 2003. (pdf)

O.Simeone, U.Spagnolini, Multi-slot estimation of space-time channels, Proc. IEEE International Conference on Communications (ICC 2002), New York 28 Apr.-2 May 2002, Vol.2, pp. 802-806. (pdf)

M.Nicoli, M.Sternard, U.Spagnolini, A.Ahlen, Reduced-Rank channel estimation and tracking in time-slotted CDMA systems, Proc. IEEE International Conference on Communications (ICC 2002), New York 28 Apr.-2 May 2002, Vol.1, pp. 533-537. (pdf)

M.Nicoli, O.Simeone, U.Spagnolini, A multi-slot method to estimate the fast-varying channels in TD-CDMA systems, XI European Signal Processing Conference (EUSIPCO 2002), Tulouse Sept. 3-6, 2002, Vol.3 pp.635-638. (pdf)

M.Beretta, A.Colamonico, M.Nicoli, V.Rampa, U.Spagnolini, Space-time multiuser detectors for TDD-UTRA: design and optimization, Proc. IEEE Vehicular Technology Conference (VTC 2001-Fall), Atlantic City 8-11 Oct. 2001, Vol.1, pp.375-379. (pdf)

M.Nicoli, U.Spagnolini, Reducing the complexity of the space-time channel estimate at minimum risk, Proc. IEEE Vehicular Technology Conference (VTC 2001-Fall), Atlantic City 8-11 Oct. 2001, Vol.1, pp.17-21. (pdf)

M. Nicoli, U. Spagnolini, Reduced rank channel estimation and rank order selection for CDMA systems, Proc. IEEE International Conference on Communications (ICC 2001), Helsinki 11-15 June 2001, Vol.9, pp.2737-2741. (pdf)

M.Nicoli, U.Spagnolini, Adaptive-rank receiver for space-time DS CDMA systems, Proc. IEEE Vehicular Technology Conference (VTC 2001-Spring), Rodes 6-9 May 2001, Vol.1, pp.78-82. (pdf)

J. Picheral, U.Spagnolini, Shift invariance algorithms for the angle/delay estimation of multipath space-time channel, Proc. IEEE Vehicular Technology Conference (VTC 2001-Spring), Rodes 6-9 May 2001, Vol.1, pp.83-87. (pdf)

G.Bucci, A. Colamonico, M. Donati, A.Picciriello, U.Spagnolini, Smart antenna BTS based on software radio technique for GSM/DCS system, Proc. IEEE Vehicular Technology Conference (VTC’00), Tokio 15-19 May, 2000, vol.2, pp.1225-1229. (pdf)

M.Nicoli, V.Rampa, U.Spagnolini, Multitarget detection/tracking based on Hidden Markov Models, Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP’00), Istanbul (Turkey) 5-9 June 2000, pp.3196-3199. (pdf)

M. Nicoli, U. Spagnolini, Multiuser space-time channel estimation for CDMA under reduced-rank constraint, Proc. IEEE Global Telecommunications Conference (GLOBECOM-2000), S.Francisco 27-30 Nov. 2000, Vol.1, pp.147-151. (pdf)

D.Giancola, U.Girola, S.Parolari, A.Picciriello, U.Spagnolini, D.Vincenzoni, Space-Time Processing for time varying co-channel interference rejection and channel estimation in GSM/DCS systems, Proc. IEEE Vehicular Technology Conference (VTC’99), Houston 16-20 May, 1999, Vol.2, pp.1317-1323. (pdf)

D.Giancola, F.Margherita, S. Parolari, A. Picciriello, U. Spagnolini, Analysis of the Spectral Efficiency of a Fully-Adaptive Antenna Array System in GSM/DCS Networks, Proc. IEEE Vehicular Technology Conference (VTC’99), Houston 16-20 May, 1999, Vol.1, pp.812-815. (pdf)

D.Giancola, A.Sanguanini, U.Spagnolini, Variable rank receiver structures for low rank ST channels, Proc. IEEE Vehicular Technology Conference (VTC’99), Houston 16-20 May, 1999, Vol.1, pp.65-69. (pdf)

D.Giancola, U.Girola, S.Parolari, A.Picciriello, U.Spagnolini, D.Vincenzoni, Joint Space-Time Processing for Time Varying Co-Channel Interference Rejection and Channel Estimation in GSM/DCS Systems,  Proc. IEEE International Conference on Telecommunication (ICT’99), Cheju – Korea, 15-18 June, 1999 (4pp).

D.Giancola, U.Girola, S.Parolari, A.Picciriello, U.Spagnolini, Space-Time Processing for co-channel interference rejection and channel estimation in GSM/DCS systems, Proc. IEEE International Symposium on Sygnals, Systems, and Electronics (ISSSE’98), Pisa 29 Sett.-3 Ott. 1998, pp.152-155. (pdf)

 

Patents:

M.Nicoli, L.Sampietro, C.Santacesarea, O.Simeone, U.Spagnolini, Method to improve the channel estimate in broadband SIMO/MIMO cellular radio networks during abrupt interference variations Patent Pending: EP 06425094.7, 16 Feb.2006.

M.Nicoli, L.Sampietro, C.Santacesarea, S.Savazzi, O.Simeone, U.Spagnolini, Method for optimizing the spacing between receiving antennas of an array usable for counteracting both interference and fading in cellular systems Patent Pending: EP 06425093.9, 16 Feb.2006.

L.Moretti, M.Nicoli, O.Simeone, U.Spagnolini: Method for the estimation and tracking of channel modes in multicarrier communication systems, Patent N. EP 03425721.2 (05 Nov. 2003).

M.Aldrovandi, M.Nicoli, O. Simeone, U.Spagnolini: Channel estimation method in digital radio communication system, involves refining unconstrained estimate, in order to reduce noise contents of estimate, Patent N. EP1357714-A1 - CN1454019-A - US2004008803-A1 - EP0425260 23.04.2002

V.Del Bello, M.Nicoli, U.Spagnolini: Base station receiver for CDMA/TDMA mobile radio system, re-estimates full-dimensional space-time channel model with reduced set of re-estimated parameters to obtain cascades, Patent N. EP1255387-A1 -  EP0830291 04.05.2001 - H04L-025/02

M.Madiotto, U.Spagnolini: Channel estimate determination method for base station receiver of cellular telephony systems, involves classifying desirable and noise elements, by filtering memory matrix by using spatial noise covariance matrix, Patent N. EP1300999-A1 -  EP0830632 05.10.2001

S.Fanfoni, A.Picciriello, S. Parolari, U.Spagnolini: Spatio-temporal equalization method for cancellation of  isofrequential interferers in signals received by antenna array, Patent N. WO9965160-A1 - DE69905039-E - EP1084536-A1 - IT1301493-B - EP1084536-B1 - ITMI01280 05.06.1998

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Wireless Communications: Soft-iterative (TURBO) receivers

 

Journals:

M.Nicoli, S.Ferrara, U.Spagnolini, Soft-iterative channel estimation methods: methods and performance analysis, IEEE Trans. on Signal Processing, vol.55, n.6, pp.2993-3006, June 2007.(pdf)

S.Ferrara, T.Matsumoto, M.Nicoli, U.Spagnolini, Soft-iterative channel estimation with subspace and rank tracking, IEEE Signal Processing Letters, vol14, n.1, pp.5-8, Jan.2007 (pdf).

 

Conferences:

S. Ferrara, M. Nicoli, U. Spagnolini, Soft - iterative estimation of structured channels: performance analysis and comparison, Proc. International Workshop on Convergent Technologies (IWCT) 6-10 June 2005, Oulu, Finland (pdf)

M. Nicoli, U. Spagnolini, A subspace method for channel estimation in soft-iterative receivers, 13th European Signal Processing Conf. (EUSIPCO 2005), Antalya (Turkey), 4-8 Sept. 2005, pp.1-14 (pdf)

B. Moschini, M. Nicoli and U. Spagnolini, A subspace method for soft estimation of block fading channels in turbo equalization, Meeting COST 273, Gothenburg, June 2004, TD 090 (pdf)

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Wireless Communications: Scheduling and Adaptive Modulation-Coding (PHY-MAC Xlayer design)

 

Journals:

J. L.Vicario, R.Bosisio, C.Anton-Haro and U.Spagnolini, Beam Selection Strategies for Orthogonal Random Beamforming in Sparse Networks, submitted to IEEE Trans. Wireless Commun. (Oct. 2006).

R.Bosisio, J.L.Vicario, U.Spagnolini, C.Anton-Haro, Enhanced opportunistic beamforming scheme for practical broadcast systems, Eur Trans on Telecomms, vol.18, n.6, pp.605-615, Oct. 2007 (pdf).

Conferences:

S.Sorrentino, U.Spagnolini, A predictive opportunistic scheduler for 4G wireless systems, 16th IST Mobile & Wireless Communication Summit (IST Summit-2007), Budapest (Hungary), July 1-5, 2007 (pdf).

S.Sorrentino, U.Spagnolini, A Predictive Scheduler for FDD Systems Based on the Windowed Empirical CDF, 4th IEEE International Symposium on Wireless Communication Systems (ISWCS'07), Trondheim, Norway, Oct. 16-19, 2007 (pdf).

R. Bosisio, U. Spagnolini, Efficient feedback quantization for orthogonal random beamforming schemes, in Proc. IEEE Signal Processing Advances on Wireless Communications (SPAWC 2007), June 17-20, Helsinki (Finland). (pdf)

R.Bosisio, U.Spagnolini On the sum-rate of opportunistic beamforming scheme with multiple antennas at the receiver, Proc. IEEE International Conference on Communications (ICC07), Glasgow 24-27 June 2007, pp.1048-1053 (pdf).

S.Sorrentino, U.Spagnolini, L.Moretti, A Distributed Scheduling Algorithm for Multiuser MIMO Systems with 1-bit Feedback, Proc. IEEE International Conference on Communications (ICC07), Glasgow 24-27 June 2007, pp.5885-5890 (pdf).

R.Bosisio, U.Spagnolini, Y. Bar-Ness, Multilevel Type-II HARQ with Adaptive Modulation Control, Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2006. (pdf).

R.Bosisio, U.Spagnolini, Enhanced broadcast opportunistic scheme based on spatial covariance feedback, Proc. International ITG - IEEE Workshop on Smart Antennas (WSA2006), Ulm 13-14 March 2006. (pdf)

R.Bosisio, J.L.Vicario, C.Anton-Haro, U.Spagnolini, The effect of imperfect feedback on broadcast opportunistic beamforming schemes, Proc. 12th European Wireless (EW2006), Athens 2-5 April 2006. (pdf)

N.Riato, G.Primolevo, U.Spagnolini, T.Baudone, A cross-layer architecture for SDMA, 15th IST Mobile & Wireless Communication Summit, Mykonos (Greece), June 4-8, 2006 (pdf)

R.Bosisio, J.Vicario, C.Anton-Haro, U.Spagnolini, Diversity-Multiplexing tradeoff in multiuser scenario with selective feedback, 15th IST Mobile & Wireless Communication Summit, Mykonos (Greece), June 4-8, 2006 (pdf)

U.Spagnolini, Opportunistic scheduling in Multi-Antenna/Multi-User Communication Systems, 2nd ACE Workshop, Mykonos (Greece), June 8, 2006 (link).

G. Primolevo, O. Simeone and U. Spagnolini, Towards a joint optimization of scheduling and beamforming in MIMO downlink (invited paper), in Proc. IEEE 9th International Symposium on Spread Spectrum Techniques and Applications (ISSSTA’06), Manaus (Brasil) Aug. 28-31, 2006 (pdf).

J.L.Vicario, R.Bosisio, U.Spagnolini, C.Anton-Haro, Adaptive beam selection techniques for opportunistic beamforming, IEEE Int. Symp. Personal Indoor and Mobile Radio Comm. (PIMRC2006), Sept. 2006 (pdf).

J.L.Vicario, R.Bosisio, U.Spagnolini, C.Anton-Haro, A Throughput Analysis for Opportunistic Beamforming with Quantized Feedback, IEEE Int. Symp. Personal Indoor and Mobile Radio Comm. (PIMRC2006), Sept. 2006 (pdf).

G. Primolevo, O. Simeone, U. Spagnolini, Channel aware scheduling for broadcast MIMO systems with orthogonal linear precoding and fairness constraints, IEEE Intern. Conference on Communications (ICC’05), Vol.4, pp.2749-2756, May 17-20, 2005, Korea (pdf)

D. Piazza, U. Spagnolini, Random beamfrorming for spatial multiplexing in downlink multiuser MIMO systems, IEEE Int. Symp. Personal Indoor and Mobile Radio Comm. (PIMRC2005), Berlin 11-14 Sept. 2005. (pdf)

G. Manfredi, P. Annese, U. Spagnolini, A channel aware scheduling algorithm for HSDPA system, IEEE Int. Symp. Personal Indoor and Mobile Radio Comm. (PIMRC2005), Berlin 11-14 Sept. 2005. (pdf)

R.Bosisio, G.Primolevo, O.Simeone, U.Spagnolini Fair Scheduling and orthogonal linear precoding/decoding in broadcast MIMO systems (Invited Paper), IEEE Int. Symp. Personal Indoor and Mobile Radio Comm. (PIMRC2005), Berlin 11-14 Sept. 2005. (pdf)

 

Patents:

L.Moretti, S.Sorrentino, U.Spagnolini, Method and apparatus for scheduling communication resources, corresponding communication system and computer program product Patent Pending: EP 07425145.5 - Mar. 2007.

L.Moretti, S.Sorrentino, U.Spagnolini, Downlink scheduling method for MIMO/MISO cellular systems with limited feedback signalling triggered by exceeding SINR thresholds independently estimated by the mobile stations Patent Pending: EP06425729.8, 20 Oct. 2006.

T. Baudone, G. Primolevo, N. Riato, U. Spagnolini, Method of and apparatus for determining and scheduling spatially separable users and corresponding data rates in an SDMA Wireless Communication System . Patent Pend.: EP 05425851.2 – 30 Nov. 2005.

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Wireless Communications: Synchronization, cooperation/competition and cognitive communication systems

 

Journals:

O. Simeone, U. Spagnolini, Y. Bar-Ness and S. H. Strogatz, Distributed synchronization in wireless networks, IEEE Signal Processing Magazine, vol.25, n.5, pp.81-97, Sept. 2008 (pdf).

O. Simeone, I. Stanojev, S. Savazzi, Y. Bar-Ness, U. Spagnolini, R. Pickholtz, Spectrum leasing to cooperating ad hoc secondary networks, IEEE Journ. Selected Areas Commun. (Special Issue: “Cognitive Radio”), vol.26, n.1, pp.203-213, Jan.2008 (pdf).

O. Simeone, O. Somekh, Y. Bar-Ness and U. Spagnolini, Throughput of low-power TDMA cellular systems with collaborative decoding at the base stations and cooperative transmission between mobiles, IEEE Trans. Inform. Theory, vol.54, n.1, pp.459-467,  Jan.2008 (pdf).

S. Savazzi and U. Spagnolini, Distributed Orthogonal Space-Time Coding: design and outage analysis for randomized cooperation, IEEE Trans. Wireless Commun., vol.6, n.12, pp.4546-4557, Dec. 2007 (pdf).

O. Simeone, Y. Bar-Ness and U. Spagnolini, Stable throughput of cognitive radios with and without relaying capability, IEEE Trans. Commun., vol.55, n.12, pp.2351-2360, Dec. 2007 (pdf).

O. Simeone and U. Spagnolini, Capacity of wireless ad hoc networks with opportunistic collaborative communications, EURASIP Journal on Wireless Communications and Networking, , vol. 2007, Article ID 53075, 7 pages (pdf)

O. Simeone and U. Spagnolini, Distributed synchronization for wireless sensor networks with couple discrete-time oscillators, Special issue on “Novel Techniques for Analysis & Design of Cross-Layer Optimized Wireless Sensor Networks” of Eurasip Journal on Wireless Commun. and Networking 2007. (pdf)

O. Simeone and U. Spagnolini and Y. Bar-Ness, “Small-world” effect of shadowing on pulse-couple distributed discrete-time phase locked loops, IEEE Commun. Letters, vol.11, n.3, pp.282-284, March 2007 (pdf)

O. Simeone, O. Somekh, Y. Bar-Ness and U. Spagnolini, Uplink throughput of TDMA cellular systems with multicell processing and Amplify-and-Forward cooperation between mobiles, to appear on IEEE Trans. Wireless Commun., 2007 (draft-pdf)

O.Somekh, O.Simeone, Y.Bar-Ness, U.Spagnolini, S.Shamai (Shitz), An information theoretic view of distributed antenna processing in cellular systems, Chapter in “Distributed Antenna Systems: Open Architecture for Future Wireless Communications” by H.HU, Y.Zhang, J.Luo Editors, AUERBACH Publ. (ISBN: 1420042882) publication: April 2007 (draft-pdf).

A.del Coso, U.Spagnolini, C. Ibars, Cooperative Distributed MIMO Channels in Wireless sensor Networks, Journal on Selected Areas in Comm. (special issue Cooperative Comm. And Networking), vol. JSAC-25, no 2, pp.402-414, February 2007. (pdf)

S.Savazzi and U.Spagnolini, Energy aware power allocation strategies for multihop-cooperative transmission schemes, Journal on Selected Areas in Comm. (special issue Cooperative Comm. And Networking), vol. JSAC-25, no 2, pp.318-327, February 2007. (pdf)

 

Conferences:

 

J. Gambini, O. Simeone, U. Spagnolini, Cognitive Relaying and Opportunistic Spectrum Sensing in Unlicensed Multiple Access Channels, International Symposium on Spread Spectrum Techniques and Applications  (ISSSTA), Bologna (Italy), Aug.25-28, 2008.

L. Reggiani and U. Spagnolini, Minimum Interference Distributed Scheduling for Packet Transmission, International Symposium on Spread Spectrum Techniques and Applications  (ISSSTA), Bologna (Italy), Aug.25-28, 2008.

N. Varanese, O. Simeone, U. Spagnolini, Y. Bar-Ness, Distributed Frequency-Locked Loops for Wireless Networks, International Symposium on Spread Spectrum Techniques and Applications  (ISSSTA), Bologna (Italy), Aug.25-28, 2008.

S.Savazzi, U.Spagnolini, Cooperative space-time coded transmissions in Nakagami-m fading channels, 50th IEEE Global Telecommunications Conference GLOBECOM 2007, Washington (USA), Nov.26-30, 2007 (pdf).

J.Gambini, O.Simeone, Y.Bar-Ness, U.Spagnolini, Stability analysis of a cognitive multiple access channel with primary QoS constraints, 41st Asilomar Conference on Signals, Systems and Computers, Nov.4-7, 2007, Pacific Grove (CA) (ASILOMAR’07), (pdf).

O. Simeone, U. Spagnolini and Y. Bar-Ness, A resilient synchronization algorithm for wireless ad hoc and sensor networks based on distributed discrete-time PLLs, in Proc. IEEE Wireless Rural and Emergency Communications (WRECOM 2007), Oct.1-2, 2007 (pdf). (BEST PAPER AWARD).

O.Simeone, J.Gambini, U.Spagnolini, Y.Bar-Ness, Cooperation and cognitive radio, IEEE Intern. Workshop on Cognition in Wireless Networks, IEEE CogNet07, Glasgow 24-27 June 2007, pp.6511-6515. (pdf).

J. Gambini, O. Simeone, U. Spagnolini and Y. Bar-Ness, Cooperative cognitive radios with optimal primary detection and packet acceptance control, in Proc. IEEE Signal Processing Advances on Wireless Communications (SPAWC 2007), June 17-20, Helsinki (Finland). (pdf).

O. Simeone, U. Spagnolini and Y. Bar-Ness, On pulse-coupled discrete-time phase locked loops for wireless networks, in Proc. IEEE Signal Processing Advances on Wireless Communications (SPAWC 2007), June 17-20, Helsinki (Finland). (pdf). (BEST PAPER AWARD).

O.Simeone, U.Spagnolini, Capacity region of wireless ad hoc networks using opportunistic collaborative communications, Proc. IEEE International Conference on Communications (ICC06), Istanbul 11-15 June 2006. (pdf)

O. Simeone, O. Somekh, Y. Bar-Ness, U. Spagnolini, Information theoretic analysis of multicell decoding and Amplify-and-Forward cooperation between mobiles for TDMA cellular systems, Proc. Conference on Information Sciences and Systems (CISS), 2006. (pdf)

N. Varanese, O. Simeone, Y. Bar-Ness, U. Spagnolini, A power allocation strategy for multi-antenna amplify-and-forward fading relay channels, Proc. Conference on Information Sciences and Systems (CISS), 2006. (pdf)

O. Simeone, O. Somekh, Y. Bar-Ness and U. Spagnolini, Throughput of low power cellular systems with collaboration at base stations and mobiles, MSRI Workshop on Mathematics of Relaying and Cooperation in Communication Networks  (MSRI), EECS U.C.Berkeley, 10-12 April 2006.

S.Savazzi, U.Spagnolini, Energy Aware Power Allocation strategies for hybrid Multihop-Cooperative transmission schemes in ad hoc Wireless Networks, Proc. Conference on Information Sciences and Systems (CISS), 2006. (pdf)

A.del Coso, S.Savazzi, U.Spagnolini, C. Ibars,  Virtual MIMO channels in cooperative multihop Wireless Sensor Networks (WSN), Proc. Conference on Information Sciences and Systems (CISS), 2006. (pdf)

C. Galli, S.Savazzi, U. Spagnolini, A multihop-cooperative transmission protocol for energy limited WPAN systems, Proc. IEEE 6th Scandinavian Workshop on Wireless Ad-hoc Networks (ADHOC’06), Stockolm 3-4 May 2006 (pdf).

M. Cremaschi, O. Simeone and U. Spagnolini, Distributed timing synchronization for sensor networks with coupled discrete-time oscillators, in Proc. International Workshop on Wireless Ad Hoc and Sensor Networks (IWWAN-2006), New York 28-30 June, 2006 (pdf).

N. Varanese, O. Simeone, Y. Bar-Ness and U. Spagnolini, Achievable rates of multi-hop and cooperative MIMO Amplify-and-Forward relay systems with full CSI, in Proc. IEEE Signal Processing Advances on Wireless Communications (SPAWC06), Cannes July 2-5, 2006 (pdf)

O. Simeone, Y. Bar-Ness and U. Spagnolini, Stable throughput of cognitive radios with relaying capability, in Proc. Forty-Fourth Annual Allerton Conference on Communication, Control, and Computing (Allerton-2006), Sept.27-29, 2006 (pdf).

S.Savazzi and U.Spagnolini, Design of Distributed Randomized Orthogonal Space-Time Coding schemes for Cooperative H-ARQ, 40th Asilomar Conference on Signals, Systems and Computers, Oct.29-Nov.1, 2006, Pacific Grove (CA) (ASILOMAR’06), (pdf).

O.Simeone, Y.Bar-Ness, U.Spagnolini, Stability analysis of the cognitive interference channel, 40th Asilomar Conference on Signals, Systems and Computers, Oct.29-Nov.1, 2006, Pacific Grove (CA) (ASILOMAR’06), (pdf).

O.Simeone, O.Somekh, Y.Bar-Ness, U.Spagnolini, Low-SNR analysis of cellular systems with cooperative base stations and mobiles, 40th Asilomar Conference on Signals, Systems and Computers, Oct.29-Nov.1, 2006, Pacific Grove (CA) (ASILOMAR’06), (pdf).

 

Patents:

O.Simeone, U.Spagnolini, Y.Bar-Ness: Pulse-coupled discrete-time phase looked loops for wireless networks, Patent N. US 60/940,186, May 2007

 

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Wireless Communications: Radio localization

 

Journals:

C.Morelli, M.Nicoli, V.Rampa, U.Spagnolini, Hidden Markov models for radio localization in mixed LOS/NLOS conditions, IEEE Trans. on Signal Processing, vol.55, N.4, pp.1525-1542, April 2007 (pdf).

 

Conferences:

C.Morelli, V.Rampa, M.Nicoli, U.Spagnolini, C.Alippi, Particle Filters for RSS-based Localization in Wireless Sensor Networks: an Experimental Study, Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2006). (pdf)

C. Morelli, M. Nicoli, V. Rampa, U. Spagnolini: Hidden Markov Models for radio localization of moving terminals in LOS/NLOS conditions, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), Vol. 4, pp.877-880, 18-23 Mar. 2005 (pdf)

M. Nicoli, C. Morelli, V. Rampa, U. Spagnolini, HMM-Based tracking of moving terminals in dense multipath indoor environments, 13th European Signal Processing Conf. (EUSIPCO 2005), Antalya (Turkey), 4-8 Sept. 2005, pp.1-4 (pdf).

A.V. Bosisio, U. Spagnolini, Indoor localization by attenuation maps: model-based interpolation for random medium, 9th Int. Conf. on Electromagnetics in Advanced Applications (ICEAA2005), Turin 12-16 Sept. 2005. (pdf)

C. Mazzucco, U. Spagnolini, G. Mulas, A ranging technique for UWB indoor channel based on power delay profile analysis, IEEE 59th Vehicular Technology Conference (VTC2004-Spring), Vol. 5, pp.2595-2599, Milan May 17-19, 2004 (pdf)

N.Bienati, G.Monguzzi, J.Picheral, A.Poloni, U.Spagnolini, Delays estimation for BTS synchronization in GSM and PCS positioning systems, Proc. European Conference on Wireless Technology (ECWT’02), Session E14 (4pp). (pdf)

 

Patents:

C.Mazzucco, L.Moretti e U.Spagnolini: Ranging method and apparatus for ultra wide bandwidth communication systems, Patent N. EP 04425344 1, 2004

 

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Wireless Communications: Semi-analytic methods for PHY-level performance analysis

 

Journals:

U.Spagnolini, A simplified model to evaluate the probability of error in DS-CDMA systems with adaptive antenna arrays, IEEE Trans. on Wireless Communications, Vol. 3, n. 2, pp. 578-587, March 2004. (pdf)

 

Conferences:

R.Bosisio, U.Spagnolini, Joint decoding and interference estimation in coded Time Hopping impulse radio systems, Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2007), Honolulu, Hawaii 15-20 April 2007, vol3 pp.557-560 (pdf).

R.Bosisio, U.Spagnolini, Collision model for the bit error rate analysis of multicell multiantenna OFDMA systems (WiMAX), Proc. IEEE International Conference on Communications (ICC07), Glasgow 24-27 June 2007, pp.5732-5737 (pdf).

L.Reggiani and U.Spagnolini, Collision model for bit error rate analysis of Time Hopping impulse radio in multipath Nakagami-m channels, 49th IEEE Global Telecommunications Conference GLOBECOM 2006 (Comm. Th. Symp.), S.Francisco (USA), Nov.27-Dic.1, 2006 (pdf).

R. Bosisio, U.Spagnolini, Performance analysis of convolutional codes over non-stationary noise channel, IEEE Global Telecommunications Conf. (GLOBECOM 2005), St. Luis (MO), 28Nov.-2Dec. 2005, pp. (pdf)

U. Spagnolini, A simplified model for probability of error in DS CDMA systems with adaptive antenna arrays, Proc. IEEE International Conference on Communications (ICC 2001), Helsinki 11-15 June 2001, Vol.7, pp.2271-2275. (pdf)

A. Poloni, U.Spagnolini, A simple method to calculate the error probability for 2D RAKE receivers, Proc. IEEE Vehicular Technology Conference (VTC 2001-Spring), Rodes 6-9 May 2001, Vol.1, pp. 590-594. (pdf)

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Statistical Signal Processing: Estimation of shape parameters in wavefront

 

Journals:

D.Donno, A.Nehorai, U.Spagnolini, Seismic Velocity and Polarization Estimation for Wavefield Separation, IEEE Trans. on Signal Processing, vol.56, n.10, pp.4794-4809, Oct.2008 (pdf).

U.Spagnolini e S.Grion, Shape Parameter Estimation of Wavefronts with Known Waveform, Signal Processing, Elsevier Science Publishers B.V. (North-Holland), Vol.68, pp.233-257, Oct. 1998. (pdf)

U.Spagnolini, Compound Events Decomposition and Interaction of AVO and Velocity Information. Geophysical Prospecting, Vol.42, n.3, pp.241-259, 1994 (pdf)

 

Conferences:

D.Donno, U.Spagnolini, A.Nehorai, Seismic Velocity/Polarization Estimation and Polarized Wavefield Separation, Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2006). (pdf) Best Paper Award ICASSP2006

D.Donno, U.Spagnolini, A.Nehorai, Seismic shape parameters estimation and ground-roll suppression using vector-sensor beamforming (invited paper), IEEE Conf. Ocean Engineering, Science and Technology (OCEANS’06), Boston Sept.18-21, 2006 (pdf).

 

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Statistical Signal Processing: Time of Delay (ToD) estimation

 

Journals:

M.Nicoli, V.Rampa, U.Spagnolini, Hidden Markov Model for Multidimensional Wavefront Tracking, IEEE Trans. on Geoscience and Remote Sensing, Vol.40, n.2, pp.651-662, March 2002. (pdf)

N.Bienati, U.Spagnolini, Multidimensional Wavefront Estimation from Differential Delays, IEEE Trans. Geoscience and Remote Sensing, Vol. 39, n. 3, pp.655-664, March 2001. (pdf)

U.Spagnolini, An Iterative Quadratic Method for High Resolution Delay Estimation with Known Waveform. IEEE Trans. Geoscience and Remote Sensing, Vol.38, n.2, pp. 1134-1137, March 2000. (pdf)

U.Spagnolini e V. Rampa, Multitarget Detection/tracking for monostatic Ground Penetrating Radar: application to pavement profiling. IEEE Trans. Geoscience and Remote Sensing, Vol.37, n.1, pp. 383-394, Jan. 1999. (pdf)

U. Spagnolini, Non-parametric Narrowband Wavefront Estimation from Wavefront Gradients. IEEE Trans. Signal Processing, Vol.47, n.11, pp.3116-3121, Nov.1999. (pdf)

U.Spagnolini, Adaptive Picking of Refracted First Arrival. Geophysical Prospecting, Vol.39, n.3, pp. 293-312. April 1991 (AEI Award, 1991; Van Weelden Best Paper Award 1991 of EAGE). (pdf)

 

Conferences:

N.Bienati, U. Spagnolini, M. Zecca, An adaptive blind signal separation based on the joint optimization of Givens rotations, Proc. IEEE Int. Conf. Acoustics, Speech, and Signal Processing (ICASSP 2001), Vol.5 pp.2809-2812. (pdf)

 

Statistical Signal Processing: Optical signal processing

 

Patents:

A.Melloni, U.Spagnolini, Apparato di rigenerazione di un segnale ottico (MI2008A000718 – 18 Apr. 2008)

 

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Signal Processing for Geophysics: High-resolution velocity analysis, AVO and delay estimation (picking)

 

Journals:

S.Grion, A.Mazzotti, U.Spagnolini, Joint Estimation of AVO and Kinematic Parameters; Geophysical Prospecting, Vol.46, n.4, pp.405-422, July 1998, Blackwell Ed. (Best Paper Award EAGE). (pdf)

U.Spagnolini e S.Grion, Shape Parameter Estimation of Wavefronts with Known Waveform, Signal Processing, Elsevier Science Publishers B.V. (North-Holland), Vol.68, pp.233-257, Oct. 1998. (pdf)

U.Spagnolini, Compound Events Decomposition and Interaction of AVO and Velocity Information. Geophysical Prospecting, Vol.42, n.3, pp.241-259, 1994 (pdf)

U.Spagnolini, Adaptive Picking of Refracted First Arrival. Geophysical Prospecting, Vol.39, n.3, pp. 293-312. April 1991 (AEI Award, 1991; Van Weelden Best Paper Award 1991 of EAGE). (pdf)

 

Conferences:

 

N.Bienati, M.Nicoli, U.Spagnolini, Automatic horizon picking algorithms for multidimensional data, Proc. 61st European Association of Geoscientists & Engineers (EAGE’99) Meeting, Helsinki, 1999 (4pp). (pdf)

S.Grion, A.Mazzotti,  U.Spagnolini, Coherent AVO picking, EAGE/SEG Workshop on Depth Imaging of reservoir attibutes, Boussens, France, 2-4 Agosto 1998, paper P005 (pdf)

U.Spagnolini and A.Mazzotti, Joint estimation of AVO and kinematic parameters, Proc. 57th European Association of Exploration Geophysicists (EAEG’95) Meeting, Glasgow 29 May - 2 June 1995 (Paper C021). (pdf)

U.Spagnolini and F.Rocca, Velocity analysis as Shape Parameter estimation of wideband events, Proc. 56th European Association of Exploration Geophysicists (EAEG’94) Meeting, Wien 6-10 June 1994 (Paper H21). (pdf)

G.Olmo, L.Lo Presti and U.Spagnolini, Wavelet Transform in geophysical signal processing: an application to velocity analysis, Proc. 56th European Association of Exploration Geophysicists (EAEG’94) Meeting, Wien 6-10 June 1994 (Atti Paper H014). (pdf)

U.Spagnolini, L.Macciotta, A.Manni, 1993, Velocity analysis by truncated Singular Value Decomposition, Proc. 63rd Society of Exploration Geophysicists (SEG’93) Meeting Washington, 26-30 Sept. 1993, pp.677-680. (pdf)

U.Spagnolini, Adaptive Picking of Refracted First Arrival. Geophysical Prospecting, Vol.39, n.3, pp. 293-312. April 1991 (AEI Award, 1991; Van Weelden Best Paper Award 1991 of EAGE). (pdf)

U.Spagnolini, 1992, Degrees of freedom and interaction of AVO and velocity infomation; Proc. EAEG/SEG Workshop on AVO, Big-Sky, Montana 9-14 Aug. 1992, pp.246-251 (Best Paper Award of “Sensitivity, detectability and ambiguity” Session). (pdf)

G.Bernasconi and U.Spagnolini, 1990, Waveform-dependent AVO and PVO analysis; Abstract 52nd European Association of Exploration Geophysicists (EAEG’90) Meeting, Copenhagen 28 May-1 June 1990, pp.37-38.

U.Spagnolini, 1990, Evaluation of the Ambiguity of seismic inversion; Proc. 53nd European Association of Exploration Geophysicists (EAEG’90) Meeting, Firenze 27-31 May 1990. (pdf)

U.Spagnolini, 1988, Adaptive Picking of Refracted First Arrival, Abstract 50th European Association of Exploration Geophysicists (EAEG’88) Meeting, The Hague, 6-10 June 1988. (pdf)

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Signal Processing for Geophysics: Tomographic methods and inverse problems

 

Journals:

G.Bernasconi, A.De Nicolao, G.Drufuca, G.Lambare', A.Mazzotti, A.M.Melis, G.Ravagnan, F.Rocca and U.Spagnolini, Impact of a priori information; Cap.7 del libro Modeling the earth for oil exploration (p.528-588), K. Helbig Editor, Elsevier Science Ltd.. 1994.

 

Conferences:

N.Bienati, F.Rocca, P.Ruffo, U.Spagnolini, Velocity imaging by an analytic tomographic approach, Proc. 61st European Association of Geoscientists & Engineers (EAGE’99) meeting, Helsinki, 1999, session 1-55 (4pp).

N.Bienati, M.Nicoli, U.Spagnolini, Horizon picking for multidimensional data: an integrated approach, Proc. 6th International Congress of the Brazilian Geophysical Society, Rio de Janeiro 15-19 Aug., 1999 (2pp). (pdf)

N.Bienati, U.Spagnolini, Traveltime picking in 3D data volumes, Proc. 60th European Association of Geoscientists & Engineers (EAGE’98) Meeting, Lipsia 8-12 Giugno 1998, session 1-12 (2pp). (pdf)

F.Rocca and U.Spagnolini, A simple interpretation of reflection tomography, Proc. 57th European Association of Exploration Geophysicists (EAEG’95) Meeting, Glasgow 29 May - 2 June 1995 (Paper D002). (pdf)

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Signal Processing for Geophysics: Wavefield estimation/separation, pre-stack wavefield interpolation (Shot Continuation Operator – SCO)

 

Journals:

D.Donno, A.Nehorai, U.Spagnolini, Seismic Velocity and Polarization Estimation for Wavefield Separation, IEEE Trans. on Signal Processing, vol.56, n.10, pp.4794-4809, Oct.2008 (pdf).

M.Nicoli, V.Rampa, U.Spagnolini, Hidden Markov Model for Multidimensional Wavefront Tracking, IEEE Trans. on Geoscience and Remote Sensing, Vol.40, n.2, pp.651-662, March 2002. (pdf)

M.Nicoli, V.Rampa, U.Spagnolini, Front-page figure of the issue March 2002 of IEEE Trans. on Geoscience and Remote Sensing, Vol.40, n.2, March 2002. (pdf)

N.Bienati, U.Spagnolini, Multidimensional Wavefront Estimation from Differential Delays, IEEE Trans. Geoscience and Remote Sensing, Vol. 39, n. 3, pp.655-664, March 2001. (pdf)

C.Bagaini and U.Spagnolini, 2D Continuation Operators and their Applications, Geophysics, Vol.61, n. 6, pp. 1846-1858, Nov.-Dec 1996. (pdf)

 

Conferences:

D.Donno, U.Spagnolini, A.Nehorai, Seismic Velocity/Polarization Estimation and Polarized Wavefield Separation, Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP2006). (pdf) Best Paper Award ICASSP2006

D.Donno, U.Spagnolini, A.Nehorai, Seismic shape parameters estimation and ground-roll suppression using vector-sensor beamforming (invited paper), IEEE Conf. Ocean Engineering, Science and Technology (OCEANS’06), Boston Sept.18-21, 2006 (pdf).

P. Mazzucchelli, N. Bienati, U. Spagnolini, Model-Driven data interpolation vs. velocitŕ knowledge uncertainties, Proc. 64rd European Association of Geoscientists & Engineers (EAGE’02) Conference&Exibition, Florence 27-30 May 2002, Session B-07 (pp.4) (pdf)

P. Mazzucchelli, U. Spagnolini, Least-squares multichannel deconvolution, Proc. 63rd European Association of Geoscientists & Engineers (EAGE’01) Meeting, Amsterdam 11-15 June 2001, Session P-169 (4pp). (pdf)

N. Bienati, E. Loinger, P. Mazzucchelli, U. Spagnolini, Decimating acquisition using 3D SCO, Proc. 63rd European Association of Geoscientists & Engineers (EAGE’01) Meeting, Amsterdam 11-15 June 2001, A-14 (4pp). (pdf)

J. Picheral, M. Becquey, J. Oksman, U. Spagnolini, Ground-roll separation using a shift-invariance method for polarized wavefields, Proc. 63rd European Association of Geoscientists & Engineers (EAGE’01) Meeting, Amsterdam 11-15 June 2001 (4pp).

N.Bienati, M.Nicoli, U.Spagnolini, Non parametric methods for multidimensional wavefront estimation, Proc. IEEE International Geoscience and Remote Sensing Symposium (IGARSS’00), Honolulu (Haway) 24-28 July, 2000, Vol.2, pp.705-707. (pdf)

P. Mazzucchelli, N. Bienati, E. Loinger, U. Spagnolini, F. Rocca, Regularizing land acquisitions with 3D SCO – an example from field data, paper L-19 Proc. 62nd European Association of Geoscientists & Engineers (EAGE’00) Meeting, Glasgow June 2000 (4pp). (pdf)

P.Mazzucchelli, F. Rocca, U.Spagnolini, Aliasing and irregular sampling for Kirchhoff integral operators, Proc. Society of Exploration Geophysicists (SEG’00) Meeting, Calgary, Aug. 2000, SP-P1.3. (4 pp) (pdf)

N.Bienati, F.Rocca, P.Ruffo, U.Spagnolini, Velocity imaging by an analytic tomographic approach, Proc. 61st European Association of Geoscientists & Engineers (EAGE’99) meeting, Helsinki, 1999, session 1-55 (4pp).

V.Rampa, U.Spagnolini, Lossy compression of seismic data based on the X2-T Discrete Wavelet Transform, Proc. European Association of 61st Geoscientists & Engineers (EAGE’99) meeting, Helsinki, 1999, session 6-40 (4pp). (pdf)

P.Mazzucchelli, F.Rocca, U.Spagnolini, Pre-stack wavefield interpolation for 3-D acquisitions, Proc. 6th  International Congress of the Brazilian Geophysical Society, Rio de Janeiro 15-19 Aug., 1999 (2pp). (pdf)

N.Bienati, M.Nicoli, U.Spagnolini, Horizon picking for multidimensional data: an integrated approach, Proc. 6th International Congress of the Brazilian Geophysical Society, Rio de Janeiro 15-19 Aug., 1999 (2pp). (pdf)

P.Mazzucchelli, F.Rocca, U.Spagnolini, Regularizing land acquisition using Shot Continuation Operators: effects on amplitudes, Proc. Workshop of Society of Exploration Geophysicists (SEG’99) meeting, Houston, 1999, WS2-(4pp). (pdf)

P.Mazzucchelli, F.Rocca, U.Spagnolini, S.Spitz, Wavefield interpolation: continuation or prediction filter techiniques?, Proc. 60th European Association of Geoscientists & Engineers (EAGE’98) Meeting, Lipsia 8-12 Giugno 1998. (pdf)

G.Locatelli, P.Mazzucchelli, U.Spagnolini, S.Spitz, Sensitivity to velocity of wavefield interpolation methods, EAEG/SEG Workshop on Depth Imaging of reservoir attibutes, Boussens, France, 2-4 Agosto 1998, paper X018. (pdf)

S.Opreni, F.Ghezzi, M.Opreni, U.Spagnolini, F.Rocca, 3-D Prestack continuation operators: kinematics and amplitude behavior, Workshop on Amplitude-Preserving Seismic Reflection Imaging, Seeheim, Germany 3-5 Feb. 1997.

U.Spagnolini, F.Rocca, 3-D prestack continuation operators, Society of Exploration Geophysicists (SEG) Summer Research Workshop, Vail (Colorado), 3-8 Aug. 1997 (Abstract).

U.Spagnolini, M.Opreni, S.Opreni, F.Rocca, 3D Shot regridding, Proc. 58th European Association of Exploration Geophysicists (EAEG’96) Meeting, Amsterdam 3-7 June 1996 (Paper P097). (pdf)

U.Spagnolini e S.Opreni, 3D Shot continuation operator, Proc. 66th Society of Exploration Geophysicists (SEG’96) Meeting Denver, 10-15 Nov. 1996, pp.439-442. (pdf)

C.Bagaini, U.Spagnolini, L.Zanzi and F.Rocca, 1994, Decomposition of prestack migration operators for velocity analysis, Pan African / Middle East Exploration Conference, Cairo 21-24 Marzo, 1994.

C.Bagaini, U.Spagnolini and V.Pazienza, Velocity analysis and missing offset restoration by prestack continuation operators, Proc. 64rd Society of Exploration Geophysicists (SEG’94) Meeting Los Angeles, 23-28 Oct. 1994, pp.1549-1552. (pdf)

C.Bagaini e U.Spagnolini, 1993, Shot Continuation Operator, Proc. 55th European Association of Exploration Geophysicists (EAEG’93) Meeting, Stavanger 7-11 June 1993 (Paper B033). (pdf)

C.Bagaini e U.Spagnolini, 1993, Common shot velocity analysis by shot continuation operator, Proc. 63rd Society of Exploration Geophysicists (SEG’93) Meeting Washington D.C., 26-30 Sept. 1993, p.673-676. (pdf)

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Signal Processing for Geophysics: Miscellaneous

V.Rampa, U.Spagnolini, Lossy compression of seismic data based on the X2-T Discrete Wavelet Transform, Proc. European Association of 61st Geoscientists & Engineers (EAGE’99) meeting, Helsinki, 1999, session 6-40 (4pp). (pdf)

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Remote Sensing: Non-Gaussian noise cancellation

 

Journals:

U.Spagnolini, Cancellation of polarized impulsive noise using an azimuth-dependent conditional-mean estimator, IEEE Trans. Signal Processing, Vol.46, n.12, pp.3333-3344, Dec. 1998. (pdf)

G.Santarato e U.Spagnolini, Cancelling directional EM noise in magnetotellurics. Geophysical Prospecting, Vol.43, n.5, pp.605-621, 1995. (pdf)

U.Spagnolini, Time-domain estimation of MT impedance tensor. Geophysics Vol.59, n.5, pp.712-721. May 1994 (pdf)

 

Conferences:

G.Santarato, U.Spagnolini and V.Iliceto, Characterization of EM noise caused by DC electrified raylways, 12th workshop on Electromagnetic Induction in the Earth, Brest-UK 8-13 Agosto, 1994, Abstract pp.105.

U.Spagnolini e G.Santarato, 1993, Directional Noise Canceling in Magnetotellurics, Proc. 55th European Association of Exploration Geophysicists (EAEG’93) Meeting, Stavanger 7-11 June 1993 (Paper D019). (pdf)

U.Spagnolini, G.Santarato and V.Iliceto, 1990, Adaptive magnetotelluric impedance tensor identification; Abstract 52nd European Association of Exploration Geophysicists (EAEG’90) Meeting, Copenhagen 28 May-1 June 1990, pp.159.

U.Spagnolini, 1990, Adaptive MT Time Domain Processing. Proc. Society of Exploration Geophysicists (SEG’90) Meeting 23-27 Sept. 1990, S.Francisco, pp.501-503. (pdf)

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Remote Sensing: Ground Penetrating Radar and UWB radar processing

 

Journals:

U.Spagnolini, An Iterative Quadratic Method for High Resolution Delay Estimation with Known Waveform. IEEE Trans. Geoscience and Remote Sensing, Vol.38, n.2, pp. 1134-1137, March 2000. (pdf)

G.G.Gentili, U.Spagnolini, Electromagnetic Inversion in Monostatic Ground Penetrating Radar: TEM Calibration and Application. IEEE Trans. Geoscience and Remote Sensing, Vol.38, n.4, pp.1936-1946, July 2000. (pdf)

U.Spagnolini e V. Rampa, Multitarget Detection/tracking for monostatic Ground Penetrating Radar: application to pavement profiling. IEEE Trans. Geoscience and Remote Sensing, Vol.37, n.1, pp. 383-394, Jan. 1999. (pdf)

U.Spagnolini, Permittivity Measurements of Multilayered Media With Monostatic Pulse Radar, IEEE Trans. Geoscience and Remote Sensing, Vol.35, n.2, pp.454-463, March 1997. (pdf)

 

Conferences:

S.Agosti, G.G.Gentili, V.Rampa, U.Spagnolini, EM inversion and interface tracking: system calibration and application, in Proc. International Conference on Ground Penetrating Radar (GPR’98), Lawrence (Kansas), 27-30 May 1998, pp.607-612. (pdf)

V.Rampa e U.Spagnolini, Multitarget detection/tracking of echoes with known waveform: algorithm and applications. Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP’97), Munic (Germany) 20-24 Aprile 1997, Vol.1 pp.487-490. (pdf)

S.Agosti, G.G.Gentili, U.Spagnolini, EM inversion of monostatic GPR: application to pavement profiling, IEEE International Conference on Electromagnetics in Aerospace Applications (ICEAA’97), Torino 15-18 Settembre 1997. (pdf)

V.Rampa e U.Spagnolini, Multilayer detection/tracking for monostatic ground penetrating radar (GPR), Proc. IEEE International Geoscience and Remote Sensing Symposium (IGARSS’96), Lincoln (Nebraska) 27-31 May 1996, Atti Vol. IV, pp.2038-2040. (pdf)

U.Spagnolini, Joint approach of EM inversion and multi-layer detection/tracking for pavement profiling, in Proc. International Conference on Ground Penetrating Radar (GPR’96), Sendai (Japan), 30 Sept.- 3 Oct. 1996, pp.235-240. (pdf)

U.Spagnolini, EM inversion of Ground Penetrating radar, Proc. 57th European Association of Exploration Geophysicists (EAEG’95) Meeting, Glasgow 29 May - 2 June 1995 (Paper C007). (pdf)

U.Spagnolini, Inverse problem in ground penetrating radar, Proc. 4th IEEE International Conference on Electromagnetics in Aerospace Applications (ICEAA’95), Torino 12-15 Sept. 1995, pp.267-270. (pdf)

U.Spagnolini, EM inversion of monostatic Ground Penetrating radar, Proc. Society of Exploration Geophysicists (SEG’95) Meeting Huston 8-12 Oct. 1995, pp.368-371. (pdf)

A.Benassi e U.Spagnolini, Quantitative monostatic GPR analysis in interface profiling:EM inversion, Proc. 1st Environmental and Engineering Geophysics (EEGS’95) Meeting, Turin (Italy) 25-27 Sept. 1995, pp.279-281. (pdf)

V.Rampa, U.Spagnolini, C.Stagni and C.Toja, Quantitative monostatic GPR analysis in interface profiling: multisignal detection-based layer estimation, Proc. 1st Environmental and Engineering Geophysics (EEGS’95) Meeting, Turin (Italy) 25-27 Sept. 1995, pp.282-285. (pdf)

U.Spagnolini, 1995, Ground Penetrating Radar, in Reports on Instrumentation/Future Technologies (I/FT) della IEEE-GRS Society, IEEE Geoscience and Remote Sensing, issue Nov. 1995 (in http://www.ieee.org/grs)

U.Spagnolini, 1994, Ground Penetrating Radar for environmental engineering, Pan African / Middle East Exploration Conference, Cairo 21-24 March, 1994.

T.Pagnoni and U.Spagnolini, Pavement profiling with Ground Penetrating Radar, International Conference on Ground Penetrating Radar (GPR’94), Kitchener (Ontario) 12-16 June, 1994.

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Remote Sensing: 2D Phase Unwrapping for interferometric synthetic aperture radar (SAR) imaging

 

Journals:

U. Spagnolini, Non-parametric Narrowband Wavefront Estimation from Wavefront Gradients. IEEE Trans. Signal Processing, Vol.47, n.11, pp.3116-3121, Nov.1999. (pdf)

U.Spagnolini, 2D Phase Unwrapping and Phase Aliasing; in Seismic, signature, estimation and measurement O. M. Osman and E.Robinson - Dan Ebron Editor, Society of Exploration Geophysicists, Tulsa, OK (Geophysics reprint).

U.Spagnolini, 2-D Phase Unwrapping and Instantaneous Frequency Estimation, IEEE Trans. Geoscience and Remote Sensing, Vol.33, n.3, pp.579-589, May 1995. (pdf)

U.Spagnolini, 2D Phase Unwrapping and Phase Aliasing; Geophysics, Vol.58, n.9, pp.1324-1334. Sept.1993 (pdf)

 

Conferences:

U.Spagnolini, 1991, 2D Phase Unwrapping; Proc. Society of Exploration Geophysicists (SEG’91) Meeting Huston, 11-14 Nov. 1991, pp.1350-1353. (pdf)

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