Research output per year
Research output per year
- 1 - 50 out of 141 results
Search results
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2024
On the Use of Near-Field Constellation Focusing for Physical Layer Security with Extremely Large Antenna Arrays
Ferreira, J., Guerreiro, J., Dinis, R. & Montezuma, P., 23 Feb 2024, In: Electronics (Switzerland). 13, 5, 13 p., 869.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Downloads (Pure) -
2022
Potential Optimum Performance of Nonlinearly Distorted MIMO-SVD Systems
Guerreiro, J., Dinis, R. & Montezuma, P., 22 Dec 2022, In: IEEE Transactions on Vehicular Technology. 11 p.Research output: Contribution to journal › Article › peer-review
1 Citation (Scopus) -
2021
A Highly-Efficient Amplification Scheme for OFDM Signals
Viegas, P., Guerreiro, J., Dinis, R., Montezuma, P., Oliveira, J. P., Laires, R., Morgado, P., Serra, H. & Madeira, R., Apr 2021, 2021 IEEE 93rd Vehicular Technology Conference, VTC 2021-Spring - Proceedings. Institute of Electrical and Electronics Engineers (IEEE), 9449004. (IEEE Vehicular Technology Conference; vol. 2021-April).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
4 Citations (Scopus) -
A method and an apparatus for physical layer in noma based wireless communication systems
de Carvalho, P. M. D. A. B. M., Dinis, R. M. H. D. M., de Oliveira, J. P. A., Madeira, J. F. D. C., Guerreiro, J. F. M. L., Serra, H. A. D. A. & Campos, L. M. S. D. C., 5 Aug 2021, IPC No. H04W 52/ 04 A N, H04K1/00, H04L25/00, H04L27/00, H04W12/122, H04L29/06, H04W52/04, Patent No. WO2021154106, 1 Feb 2021, Priority date 31 Jan 2020, Priority No. PT20200116094Research output: Patent › International PCT application
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A Novel Highly-efficient Amplification Scheme for Satellite Communications
Viegas, P., Guerreiro, J., Serra, H., Madeira, R., Morgado, P., Laires, R., Dinis, R., Montezuma, P. & Oliveira, J. P., Jun 2021, 2021 IEEE International Conference on Communications Workshops, ICC Workshops 2021 - Proceedings. Institute of Electrical and Electronics Engineers (IEEE), 9473836. (2021 IEEE International Conference on Communications Workshops, ICC Workshops 2021 - Proceedings).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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A Novel Highly-Efficient Amplification Scheme for Wireless Communications in a CathLab Environment
Viegas, P., Serra, H., Guerreiro, J., Madeira, R., Borges, D., Dinis, R., Montezuma, P., Oliveira, J. P., Campos, L. M. & Beko, M., 24 Jun 2021, In: IEEE Access. 9, p. 87520-87530 11 p., 9449894.Research output: Contribution to journal › Article › peer-review
Open AccessFile26 Downloads (Pure) -
Digital controlled multi stage smart combiner
De Carvalho, P. M. D. A. B. M., Dinis, R. M. H. D. M. & De Oliveira, J. P. A., 18 Nov 2021, IPC No. H03F 3/ 21 A I, Patent No. US2021359651, 12 Apr 2021, Priority date 11 Oct 2018, Priority No. PT11507218Research output: Patent › Regional/Other National Application
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Massive mimo techniques for 5g and beyond—opportunities and challenges
Borges, D., Montezuma, P., Dinis, R. & Beko, M., 2 Jul 2021, In: Electronics (Switzerland). 10, 14, 1667.Research output: Contribution to journal › Review article › peer-review
Open Access44 Citations (Scopus) -
Optimum Performance of Nonlinearly Distorted Signals with General Distributions
Guerreiro, J., Dinis, R. & Montezuma, P., 2021, 55th Asilomar Conference on Signals, Systems and Computers: ACSSC 2021. Matthews, M. B. (ed.). Massachusetts: IEEE Computer Society Press, p. 959-961 3 p. (Asilomar Conference on Signals, Systems & Computers; vol. 2021-October).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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Optimum Performance of Nonlinear MIMO-SVD Schemes
Guerreiro, J., Dinis, R. & Montezuma, P., Apr 2021, 2021 IEEE 93rd Vehicular Technology Conference, VTC 2021-Spring - Proceedings. New Jersey: Institute of Electrical and Electronics Engineers (IEEE), 5 p. 9449046. (IEEE Vehicular Technology Conference; vol. 2021-April).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (Scopus) -
Quantized Digital Amplification with combination over the air - Achieving maximum efficiency on communication links between long range UAVs and satellites
Montezuma, P., Madeira, R., Serra, H., Viegas, P., Dinis, R., Oliveira, J. & Guerreiro, J., 2021, MILCOM 2021 - 2021 IEEE Military Communications Conference. Institute of Electrical and Electronics Engineers (IEEE), p. 802-807 6 p. (Proceedings - IEEE Military Communications Conference MILCOM; vol. 2021-November).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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2020
A physical layer security technique for NOMA systems with MIMO SC-FDE schemes
Madeira, J., Guerreiro, J., Serra, H., Dinis, R., Montezuma, P. & Campos, L. M., 1 Feb 2020, In: Electronics (Switzerland). 9, 2, 240.Research output: Contribution to journal › Article › peer-review
Open AccessFile4 Citations (Scopus)17 Downloads (Pure) -
Combinador inteligente multi estágio controlado digitalmente
Dinis, R. M. H. D. M., De Oliveira, J. P. A. & De Carvalho, P. M. D. A. B. M., 13 Apr 2020, IPC No. H03F 1/ 32 A I, Patent No. PT115072, 11 Oct 2018, Priority date 11 Oct 2018, Priority No. PT115072Research output: Patent › National Final Application
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Digital controlled multi stage smart combiner
De Carvalho, P. M. D. A. B. M., Dinis, R. M. H. D. M. & De Oliveira, J. P. A., 16 Apr 2020, IPC No. H03F1/0294 , H03F1/32 , H03F3/211, H03F3/2178, Patent No. WO2020076172, 11 Oct 2019, Priority date 11 Oct 2018, Priority No. PT20180115072Research output: Patent › International PCT application
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Joint Channel and Information Estimation on Symbol Decomposition-Based Secure Point-to-Point Communications
Rajaram, A., Borges, D., Montezuma, P., Dinis, R., Jayakody, D. N. K. & Beko, M., 2020, Technological Innovation for Life Improvement - 11th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2020, Proceedings. Camarinha-Matos, L. M., Farhadi, N., Lopes, F. & Pereira, H. (eds.). Cham: Springer, p. 137-146 10 p. (IFIP Advances in Information and Communication Technology; vol. 577).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (Scopus) -
Nonlinear Distortion Effects in Secure Energy Efficient MIMO Systems
Borges, D., Rajaram, A., Montezuma, P., Dinis, R. & Beko, M., 20 Jul 2020, 2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020. Institute of Electrical and Electronics Engineers (IEEE), 9249589Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (Scopus) -
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 (IEEE), p. 888-892 5 p. 8599732. (IEEE Military Communications Conference; vol. 2019-October).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (Scopus) -
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 proceeding › Conference contribution › peer-review
3 Citations (Scopus) -
Estimating directional data from network topology for improving tracking performance
Tomic, S., Beko, M., Dinis, R. & Montezuma, P., 20 May 2019, In: Journal of Sensor and Actuator Networks. 8, 2, 30.Research output: Contribution to journal › Article › peer-review
Open AccessFile6 Citations (Scopus)31 Downloads (Pure) -
Generalized LINC
Guerreiro, J., Dinis, R., Montezuma, P. & da Silva, M. M., Oct 2019, In: Physical Communication. 36, 100761.Research output: Contribution to journal › Article › peer-review
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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 journal › Article › peer-review
16 Citations (Scopus) -
Nonlinear effects in NOMA signals: Performance evaluation and receiver design
Guerreiro, J., Dinis, R., Montezuma, P. & Da Silva, M. M., Sept 2019, 2019 IEEE 90th Vehicular Technology Conference, VTC 2019 Fall - Proceedings. Institute of Electrical and Electronics Engineers (IEEE), 8891070. (IEEE Vehicular Technology Conference; vol. 2019-September).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
11 Citations (Scopus) -
On the physical layer security characteristics for MIMO-SVD techniques for SC-FDE schemes
Madeira, J., Guerreiro, J., Dinis, R., Montezuma, P. & Campos, L. M., 1 Nov 2019, In: Sensors. 19, 21, 4757.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Citations (Scopus)23 Downloads (Pure) -
Reduced-complexity quasi-optimum detection for MIMO-OFDM signals with strong nonlinear distortion
Félix, J., Guerreiro, J., Dinis, R. & Montezuma, P., Dec 2019, 2019 IEEE Globecom Workshops, GC Wkshps 2019 - Proceedings. Institute of Electrical and Electronics Engineers (IEEE), 9024620. (IEEE Globecom Workshops).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
4 Citations (Scopus) -
2018
Analytical Performance Evaluation of Precoding Techniques for Nonlinear Massive MIMO Systems with Channel Estimation Errors
Guerreiro, J., Dinis, R. & Montezuma, P., Apr 2018, In: IEEE Transactions on Communications. 66, 4, p. 1440-1451 12 p.Research output: Contribution to journal › Article › peer-review
31 Citations (Scopus) -
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 (IEEE), Vol. 2017-September. p. 1-5 5 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
4 Citations (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 (IEEE), p. 1-5 5 p. (IEEE Vehicular Technology Conference VTC; vol. 2017-September).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
3 Citations (Scopus) -
Power amplification efficient transmitter structures for massive MIMO with SC-FDE schemes: A promising combination for 5G systems?
Montezuma, P., Ferreira, A., Dinis, R. & Beko, M., 1 Apr 2018, In: Radioengineering. 27, 1, p. 221-233 13 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)34 Downloads (Pure) -
Two Low Complexity MRC and EGC Based Receivers for SC-FDE Modulations with Massive MIMO Schemes
Borges, D., Montezuma, P., Ferreira, A. & Dinis, R., 2018, In: Journal of Signal Processing Systems. p. 1-11 11 p.Research output: Contribution to journal › Article › peer-review
6 Citations (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 (IEEE), Vol. 2017-September. p. 1-5 5 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
7 Citations (Scopus) -
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 (IEEE), p. 234-239 6 p. 7986292Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
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 proceeding › Conference contribution › peer-review
2 Citations (Scopus) -
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 proceeding › Conference contribution › peer-review
Open Access1 Citation (Scopus) -
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 (IEEE), Vol. 2017-September. p. 1-6 6 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (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 journal › Article › peer-review
79 Citations (Scopus) -
CE-OFDM Schemes: Spectral Characterization and Optimum Performance
Guerreiro, J., Dinis, R. & Montezuma, P., Sept 2017, In: Wireless Personal Communications. 96, 2, p. 2965-2982 18 p.Research output: Contribution to journal › Article › peer-review
Open Access5 Citations (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 (IEEE), p. 1-5 5 p. 7935631Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access4 Citations (Scopus) -
Distributed algorithm for target localization in wireless sensor networks using RSS and AoA measurements
Tomic, S., Beko, M., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., Jun 2017, In: Pervasive and Mobile Computing. 37, p. 63-77 15 p.Research output: Contribution to journal › Article › peer-review
Open Access70 Citations (Scopus) -
Frequency-domain receiver design for doubly selective channels
Montezuma, P., Silva, F. & Dinis, R., 2017, CRC Press. 154 p.Research output: Book/Report › Book › peer-review
3 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 conference › Paper › peer-review
Open Access15 Citations (Scopus) -
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 proceeding › Conference contribution › peer-review
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On the capacity of nonlinear massive MIMO-OFDM systems
Fernandes, P., Guerreiro, J., Dinis, R. & Montezuma, P., 17 Mar 2017.Research output: Contribution to conference › Paper › peer-review
Open Access -
On the evaluation of clipping effects in massive MIMO-OFDM systems
Guerreiro, J., Dinis, R. & Montezuma, P., 17 Mar 2017.Research output: Contribution to conference › Paper › peer-review
Open Access -
On the Feasibility of OFDM-Based Massive MIMO Systems with Low Resolution Quantizers
Guerreiro, J., Dinis, R. & Montezuma, P., 2017.Research output: Contribution to conference › Paper › peer-review
Open Access1 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 journal › Article › peer-review
Open AccessFile1 Citation (Scopus)20 Downloads (Pure) -
2016
A Closed-Form Solution for RSS/AoA Target Localization by Spherical Coordinates Conversion
Tomic, S., Beko, M., Dinis, R. & Montezuma de Carvalho, P. M. D. A. B., Dec 2016, In: IEEE Wireless Communications Letters. 5, 6, p. 680-683 4 p., 7585060.Research output: Contribution to journal › Article › peer-review
Open Access94 Citations (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 (IEEE), p. 492-495 4 p. 7377514Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access1 Citation (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. 7454455Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
2 Citations (Scopus) -
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 (IEEE), 7390818Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
1 Citation (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 journal › Article › peer-review
26 Citations (Scopus)