Paulo Miguel de Araújo Borges Montezuma de Carvalho

Prof

Former affiliation
  • 530 Citations
  • 11 h-Index
20092019
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Research Output at NOVA 2009 2019

2019

A Multi-branch Linear Amplification with Nonlinear Components Technique

Guerreiro, J., Dinis, R., Montezuma, P., Oliveira, J. P. & Silva, M., 2 Jan 2019, 2018 IEEE Military Communications Conference, MILCOM 2018. Institute of Electrical and Electronics Engineers Inc., p. 888-892 5 p. 8599732. (IEEE Military Communications Conference; vol. 2019-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amplification
Modulation
Nonlinear distortion
Power amplifiers
Orthogonal frequency division multiplexing

Energy Efficient Massive MIMO Point-to-Point Communications with Physical Layer Security: BPSK vs QPSK Decomposition

Borges, D., Montezuma, P., Dinis, R. & Viegas, P., 1 Jan 2019, Technological Innovation for Industry and Service Systems - 10th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2019, Proceedings. Camarinha-Matos, L. M., Almeida, R. & Oliveira, J. (eds.). Cham: Springer, p. 283-295 13 p. (IFIP Advances in Information and Communication Technology; vol. 553).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quadrature phase shift keying
MIMO systems
Amplification
Transmitters
Antennas
1 Citation (Scopus)

Low-complexity SC-FDE techniques for massive MIMO schemes with low-resolution ADCs

Guerreiro, J., Dinis, R. & Montezuma, P., 1 Mar 2019, In : IEEE Transactions on Communications. 67, 3, p. 2368-2380 13 p., 8536435.

Research output: Contribution to journalArticle

Digital to analog conversion
MIMO systems
Antennas
Degradation
Nonlinear distortion
2018

On the impact of strong nonlinear effects on massive MIMO SVD systems with imperfect channel estimates

Guerreiro, J., Dinis, R. & Montezuma, P., 8 Feb 2018, 2017 IEEE 86th Vehicular Technology Conference, VTC Fall 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analog-to-digital Converter
Multiple-input multiple-output (MIMO) Systems
Nonlinear Effects
Singular value decomposition
Digital to analog conversion
1 Citation (Scopus)

Performance evaluation of low-complexity FDE receivers for massive MIMO schemes with 1-bit ADCs

Candeias, R., Guerreiro, J., Dinis, R. & Montezuma, P., 8 Feb 2018, 2017 IEEE 86th Vehicular Technology Conference, VTC Fall 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p. (IEEE Vehicular Technology Conference VTC; vol. 2017-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analog-to-digital Converter
Digital to analog conversion
Multiple-input multiple-output (MIMO)
Low Complexity
Performance Evaluation
1 Citation (Scopus)
1 Downloads (Pure)
Open Access
File
Amplification
Transmitters
Antenna arrays
Energy efficiency
Communication systems
1 Citation (Scopus)

Two Low Complexity MRC and EGC Based Receivers for SC-FDE Modulations with Massive MIMO Schemes

Borges, D., Montezuma, P., Ferreira, A. & Dinis, R., 2 Feb 2018, (Accepted/In press) In : Journal of Signal Processing Systems. p. 1-11 11 p.

Research output: Contribution to journalArticle

Frequency-domain Equalization
Low Complexity
Modulation
Receiver
Antennas
1 Citation (Scopus)

Using the fireworks algorithm for ML detection of nonlinear OFDM

Guerreiro, J., Beko, M., Dinis, R. & Montezuma, P., 8 Feb 2018, 2017 IEEE 86th Vehicular Technology Conference, VTC Fall 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Maximum Likelihood Detection
Nonlinear Distortion
Orthogonal Frequency Division multiplexing (OFDM)
Nonlinear distortion
Orthogonal frequency division multiplexing
2017

A low complexity channel estimation scheme for Massive MIMO systems

Ferreira, A., Gaspar, G., Montezuma, P., Dinis, R. & Oliveira, R., 19 Jul 2017, 2017 13th International Wireless Communications and Mobile Computing Conference, IWCMC 2017. Institute of Electrical and Electronics Engineers Inc., p. 234-239 6 p. 7986292

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Channel estimation
MIMO systems
Channel state information
Multiplexing
Mobile devices

Analytical performance evaluation of massive MIMO systems with 1-bit DACs

Guerreiro, J., Dinis, R., Montezuma, P., Jayakody, N. & Silva, M., Nov 2017, 2017 Progress In Electromagnetics Research Symposium - Fall, PIERS - FALL 2017 - Proceedings. Electromagnetics Academy, Vol. 2017-November. p. 449-454 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Digital to analog conversion
Transmitters
Antennas
Nonlinear distortion
6 Citations (Scopus)

Analytical Performance Evaluation of Precoding Techniques for Nonlinear Massive MIMO Systems with Channel Estimation Errors

Guerreiro, J., Dinis, R. & Montezuma, P., 9 Dec 2017, (Accepted/In press) In : IEEE Transactions on Communications. p. 1440-1451 12 p.

Research output: Contribution to journalArticle

Nonlinear distortion
Control nonlinearities
Channel state information
Channel estimation
Transmitters

An iterative decision directed channel estimation for multi-user MIMO systems

Gaspar, G., Ferreira, A., Montezuma, P., Da Silva, M. M. & Dinis, R., 22 May 2017, 2017 Progress in Electromagnetics Research Symposium - Spring, PIERS 2017. Electromagnetics Academy, Vol. Part F134321. p. 3699-3706 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Channel state information
Channel estimation
MIMO systems
Contamination
Antennas

A power efficient technique for double layer massive MIMO schemes

Ferreira, A., Gaspar, G., Montezuma, P., Dinis, R. & Jayakody, N., 2017, 2017 IEEE 86th Vehicular Technology Conference, VTC Fall 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-September. p. 1-6 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Beamforming
Multiple-input multiple-output (MIMO)
Amplification
Antenna Arrays
Millimeter Wave
28 Citations (Scopus)

A Robust Bisection-Based Estimator for TOA-Based Target Localization in NLOS Environments

Tomic, S., Beko, M., Dinis, R. & Montezuma, P., 1 Nov 2017, In : IEEE Communications Letters. 21, 11, p. 2488-2491 4 p., 8007241.

Research output: Contribution to journalArticle

Bisection
Estimator
Target
Trust Region Subproblem
Robust Estimators
1 Citation (Scopus)

CE-OFDM Schemes: Spectral Characterization and Optimum Performance

Guerreiro, J., Dinis, R. & Montezuma, P., Sep 2017, In : Wireless Personal Communications. 96, 2, p. 2965-2982 18 p.

Research output: Contribution to journalArticle

Open Access
Orthogonal frequency division multiplexing
Nonlinear distortion
Phase modulation
Power spectral density
Rayleigh fading
1 Citation (Scopus)

Combining info and spatial directivities in multiple antenna transmission systems

Ferreira, A., Gaspar, G., Montezuma, P. & Dinis, R., 2017, Proceedings - 2017 International Young Engineers Forum, YEF-ECE 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p. 7935631

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
directivity
Amplification
MIMO (control systems)
antennas
amplifiers
37 Citations (Scopus)
Open Access
Angle of Arrival
Received Signal Strength
Distributed Algorithms
Parallel algorithms
Wireless Sensor Networks

Frequency-domain receiver design for doubly selective channels

Montezuma, P., Silva, F. & Dinis, R., 2017, CRC Press. 154 p.

Research output: Book/ReportBook

Mobile telecommunication systems
Data communication systems
5 Citations (Scopus)

Low complexity MRC and EGC based receivers for SC-FDE modulations with massive MIMO schemes

Borges, D., Montezuma, P. & Dinis, R., 19 Apr 2017, p. 675-678. 4 p.

Research output: Contribution to conferencePaper

Open Access
MIMO systems
Modulation
Communication
Decision feedback equalizers
Antennas

Modelling the impact of phase errors onmulti-antenna linc transmitters for of DM systems

Ferreira, A., Dinis, R. & Montezuma, P., 1 Jan 2017, Proceedings of the IASTED International Conference Modelling, Identification and Control, MIC 2017. ACTA Press, Vol. 848. p. 237-241 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase Error
Transmitter
Antenna
Transmitters
Amplification
1 Citation (Scopus)

On the capacity of nonlinear massive MIMO-OFDM systems

Fernandes, P., Guerreiro, J., Dinis, R. & Montezuma, P., 17 Mar 2017.

Research output: Contribution to conferencePaper

Open Access
Nonlinear distortion
Nonlinear Distortion
Orthogonal Frequency Division multiplexing (OFDM)
Multiple-input multiple-output (MIMO)
Orthogonal frequency division multiplexing

On the evaluation of clipping effects in massive MIMO-OFDM systems

Guerreiro, J., Dinis, R. & Montezuma, P., 17 Mar 2017.

Research output: Contribution to conferencePaper

Open Access
Clipping
Orthogonal Frequency Division multiplexing (OFDM)
Multiple-input multiple-output (MIMO)
Orthogonal frequency division multiplexing
Evaluation
1 Citation (Scopus)

On the Feasibility of OFDM-Based Massive MIMO Systems with Low Resolution Quantizers

Guerreiro, J., Dinis, R. & Montezuma, P., 2017.

Research output: Contribution to conferencePaper

Open Access
Multiple-input multiple-output (MIMO) Systems
Orthogonal Frequency Division multiplexing (OFDM)
Transmitter
Orthogonal frequency division multiplexing
Transmitters
1 Citation (Scopus)

Two methods for estimation of amplifier imbalances in multi-amplifier transmission structures

Montezuma, P., Dinis, R., Ribeiro, S. & Beko, M., 1 Apr 2017, In : Radioengineering. 26, 1, p. 285-290 6 p.

Research output: Contribution to journalArticle

Open Access
File
Amplification
Phase shift keying
Transmitters
Computational complexity
Decomposition
2016
40 Citations (Scopus)
Open Access
RSS
spherical coordinates
arrivals
simulation
1 Citation (Scopus)

A geodesic descent technique for PAPR reduction in MIMO-OFDM

Beko, M., Dinis, R., Dimic, G., Tuba, M. & Montezuma de Carvalho, P. M. D. A. B., 8 Jan 2016, 2015 23rd Telecommunications Forum, TELFOR 2015. Institute of Electrical and Electronics Engineers Inc., p. 492-495 4 p. 7377514

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Orthogonal frequency division multiplexing
Bit error rate
Decomposition
2 Citations (Scopus)

A simple method for the analytical characterization of OFDM schemes with LINC transmitter structures

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 15 Apr 2016, 2015 12th International Symposium on Wireless Communication Systems, ISWCS 2015 - Proceedings. VDE Verlag GmbH, Vol. 2016-April. p. 81-85 5 p. 7454455

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Transmitters
performance
Amplification
Intermodulation

A Simplified method for evaluating clipping effects on sampled OFDM signals

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 25 Jan 2016, 2015 IEEE 82nd Vehicular Technology Conference, VTC Fall 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7390818

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Polynomials
Intermodulation
Polynomial approximation
Power spectral density
20 Citations (Scopus)

Iterative receiver based on the EGC for massive MIMO schemes using SC-FDE modulations

Dinis, R. & Montezuma, P., 26 May 2016, In : Electronics Letters. 52, 11, p. 972-974 3 p.

Research output: Contribution to journalArticle

Matched filters
Modulation
Antennas

Linear amplification with multiple amplifiers and antennas

Dinis, R., Montezuma, P., Bento, P., Gomes, M. & Silva, V., 1 Jan 2016, Proceedings of the 35th IASTED International Conference on Modelling, Identification and Control, MIC 2016. ACTA Press, Vol. 830. p. 153-157 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amplification
Antenna
Transmitters
Modulation
Antennas
5 Citations (Scopus)

Massive MIMO with nonlinear amplification: Signal characterization and performance evaluation

Guerreiro, J., Dinis, R. & Montezuma, P., 2016, 2016 IEEE Global Communications Conference, GLOBECOM 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7841975

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Nonlinear distortion
MIMO systems
Amplification
Power amplifiers
Bit error rate

Multi antenna transmission technique with constellation shaping for secrecy at physical layer

Montezuma de Carvalho, P. M. D. A. B. & Dinis, R., 25 Jan 2016, 2015 IEEE 82nd Vehicular Technology Conference, VTC Fall 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7391027

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transmitters
Antennas
Mobile telecommunication systems
Phase shift keying
2 Citations (Scopus)

On the assessment of nonlinear distortion effects in MIMO-OFDM systems

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 5 Jul 2016, 2016 IEEE 83rd Vehicular Technology Conference, VTC Spring 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-July. 7504376

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nonlinear Distortion
Nonlinear distortion
Orthogonal Frequency Division multiplexing (OFDM)
Multiple-input multiple-output (MIMO)
Orthogonal frequency division multiplexing
9 Citations (Scopus)

On the Detection of CE-OFDM Signals

Guerreiro, J., Dinis, R. & Montezuma, P., 1 Nov 2016, In : IEEE Communications Letters. 20, 11, p. 2165-2168 4 p., 7534835.

Research output: Contribution to journalArticle

Open Access
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Envelope
Receiver
Detector
1 Citation (Scopus)

On the optimum performance of CE-OFDM schemes in frequency-selective channels

Guerreiro, J., Dinis, R. & Montezuma, P., 24 Aug 2016, 2016 International Conference on Telecommunications and Multimedia (TEMU 2016). New York, USA: IEEE, p. 104-109 6 p. 7551924. (International Conference on Telecommunications and Multimedia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Amplification
Communication satellites
Demodulation
Communication systems
3 Citations (Scopus)

Optimum performance and spectral characterization of CE-OFDM signals

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 25 Jan 2016, 2015 IEEE 82nd Vehicular Technology Conference, VTC Fall 2015 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7391060

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Power spectral density
Modulators
Amplification
Modulation
19 Citations (Scopus)

Use of 1-bit digital-to-analogue converters in massive MIMO systems

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 28 Apr 2016, In : Electronics Letters. 52, 9, p. 778-779 2 p.

Research output: Contribution to journalArticle

Nonlinear distortion
Digital to analog conversion
Antennas
2015
Orthogonal frequency division multiplexing
Nonlinear distortion
Degradation
Power spectral density
Optical communication
Orthogonal frequency division multiplexing
Phase noise
Nonlinear distortion
Power spectral density
Bit error rate

An efficient method for modeling and evaluating quantization effects on Gaussian signals

Guerreiro, J., Dinis, R. & Montezuma, P., 1 Jan 2015, Proceedings of the IASTED International Conference Modelling, Identification and Control, MIC 2015. ACTA Press, p. 147-152 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantization
Polynomials
Quantization (signal)
Digital signal processing
Modeling
2 Citations (Scopus)

Equivalent nonlinearities for studying nonlinear effects on sampled OFDM Signals

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 1 Apr 2015, In : IEEE Communications Letters. 19, 4, p. 529-532 4 p., 7041158.

Research output: Contribution to journalArticle

Nonlinear Effects
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Nonlinearity
Clipping

Estimation and compensation of phase imbalances in transmitters using multiple amplifiers in parallel

Ribeiro, S., Montezuma, P., Marques, D. & Dinis, R., 1 Jan 2015, Proceedings of the IASTED International Conference Modelling, Identification and Control, MIC 2015. ACTA Press, p. 91-96 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Amplification
Transmitter
Transmitters
Quadrature amplitude modulation
Phase shift keying
4 Citations (Scopus)
Multipath propagation
Doppler effect
Frequency modulation
Equalizers
Modulation
5 Citations (Scopus)

Implementing physical layer security using transmitters with constellation shaping

Montezuma de Carvalho, P. M. D. A. B. & Dinis, R. M. H. D. M., 2 Oct 2015, 24th International Conference on Computer Communications and Networks, ICCCN 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-October. 7288418

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transmitters
Phase shift keying
Security systems
Communication systems
Antennas
9 Citations (Scopus)

On the optimum multicarrier performance with memoryless nonlinearities

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 1 Feb 2015, In : IEEE Transactions on Communications. 63, 2, p. 498-509 12 p., 7001600.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Nonlinear distortion
Degradation

On the performance of quantized DMT signals

Guerreiro, J., Dinis, R. M. H. D. M. & Montezuma de Carvalho, P. M. D. A. B., 11 Dec 2015, International Conference on ICT Convergence 2015: Innovations Toward the IoT, 5G, and Smart Media Era, ICTC 2015. Institute of Electrical and Electronics Engineers Inc., p. 301-306 6 p. 7354552

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantization (signal)
Signal processing
Polynomials

Physical layer security scheme based on power efficient multi-antenna transmitter

Montezuma de Carvalho, P. M. D. A. B., Dinis, R. & Da Silva, M. M., 2015, PIERS 2015 Prague - Progress In Electromagnetics Research Symposium, Proceedings. Electromagnetics Academy, Vol. 2015-January. p. 2790-2795 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Transmitters
Phase shift keying
Antennas
Antenna arrays
Security systems

Smart receiver for multi-antenna transmitters with constellation shaping

Montezuma de Carvalho, P. M. D. A. B., Ribeiro, S., Da Silva, M. M. & Dinis, R., 2015, PIERS 2015 Prague - Progress In Electromagnetics Research Symposium, Proceedings. Electromagnetics Academy, Vol. 2015-January. p. 568-574 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Phase shift keying
Transmitters
Antennas
Antenna arrays
Phase shift
4 Citations (Scopus)

Use of equivalent nonlinearities for studying quantisation effects on sampled multicarrier signals

Guerreiro, J., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., 22 Jan 2015, In : Electronics Letters. 51, 2, p. 151-153 3 p.

Research output: Contribution to journalArticle

2014

Analytical Evaluation of Nonlinear Amplify-and-Forward Relay Systems for OFDM Signals

Montezuma de Carvalho, P. M. D. A. B., Dinis, R. M. H. D. M. & DEE Group Author, 1 Jan 2014, Proceedings of the Vehicular Technology Conference (VTC Fall), 2014 IEEE 80th. p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access