Office: EM 2.32; Lab: EM 1.30
Carlos F. Lopez received his B.Sc. and M.Sc. degrees in telecommunications engineering from the Universidad Polit¨¦cnica de Madrid, Spain, in 2011 and 2015 respectively. In 2011, he worked as research engineer in the Radio Communication Research Group (GRC) at Universidad Polit¨¦cnica de Madrid (Spain) where he was focused on the design and development of simulation tools for radio propagation prediction in 4G/LTE mobile communications networks and he carried out measurements campaigns concerning the propagation of narrow and broadband signals in Madrid Metro facilities. In 2015, he worked as research engineer in the Radio Access Group at Telefonica I+D, Madrid, Spain. He focused his research on simulation of radio propagation for 5G mobile communications, analysis and development of new forms of multiplexing based on Massive MIMO and development of dynamic channel coding schemes tested by link-to-system models. Since September 2015, he works as a Research Associate at Heriot-Watt University on the project ¡°5G Wireless: Innovative Architectures, Wireless Technologies and Tools for High Capacity and Sustainable 5G Ultra-Dense Cellular Networks¡± under the supervision of Prof. Cheng-Xiang Wang and Dr. Mathini Sellathurai. His research is focused on Large-scale and spatial modulation MIMOs: Algorithms, 3D channel modelling.¡¡
3D Channel Modelling
Recent Research Projects:
5G Wireless: Innovative Architectures, Wireless Technologies and Tools for High Capacity and Sustainable 5G Ultra-Dense Cellular Networks. (H2020-MSCA-ITN-2014). Sept 2015- Sept. 2018.
1. Carlos F. Lopez and Cheng-Xiang Wang, ¡°A Study of 2D Non-Stationary Massive MIMO Channels by Transformation of Delay and Angular Power Spectral Densities,¡± IEEE Trans. Wireless Commun., submitted for publication.
2. Y. Liu, C.-X. Wang, C. F. Lopez, G. Goussetis, Y. Yang, and G. K. Karagiannidis, ¡°3D non-stationary wideband tunnel channel models for 5G high-speed train wireless communications,¡± IEEE Trans. Intell. Transp. Syst., accepted for publication.
3. C. F. Lopez and C.-X. Wang, ¡°Novel 3D non-stationary wideband models for massive MIMO channels,¡± IEEE Trans. Wireless Commun., vol. 17, no. 5, pp. 2893¨C2905, May 2018..
4. Y. Liu, C.-X. Wang, C. F. Lopez, and X. Ge, ¡°3D non-stationary wideband circular tunnel channel models for high-speed train wireless communication systems,¡± Sci. China Inf. Sci., vol. 60, no. 8, doi: 10.1007/s11432-016-9004-4, Aug. 2017.
5. B. Ai, K. Guan, D. Zhong, C.-F. Lopez, L. Zhang, C. Briso-Rodriguez, R. He, "Measurement and Analysis of Extra Propagation Loss of Tunnel Curve," IEEE Trans. Veh. Techol. vol. 65, no. 4, pp. 1847-1858, April 2016.
6. K. Guan, B. Ai, Z. Zhong, C.-F. Lopez, L. Zhang, C. Briso-Rodriguez, A. Hrovat, B. Zhang, R. He, T. Tang, ¡°Measurements and Analysis of Large-Scale Fading Characteristics in Curved Subway Tunnels at 920 MHz, 2400 MHz, and 5705 MHz,¡° IEEE Trans. Intell. Transp. Syst., vol.16, no.5, pp.2393-2405, Oct. 2015.
7. C. Briso-Rodr¨ªguez, C.-F. Lopez, et al. ¡°Broadband Access in Complex Environments: LTE on Railway" IEICE Trans. Commun., Vol.E97-B, No.08, Aug. 2014.
1. F. Lai, C. F. Lopez, X. Gao, C.-X. Wang, and F. Zheng, ¡°Analysis of performances for three massive MIMO channel models,¡± in Proc. WCSP¡¯18, Hangzhou, China, Oct. 2018.
2. C.-F. Lopez and C.-X. Wang, ¡°A Study of Delay Drifts on Massive MIMO Wideband Channel Models¡± in Proc. IEEE WSA¡¯18, Bochum, Germany, Mar. 2018.
3. L. Bai, C.-X. Wang, S. Wu, C.-F. Lopez, X. Gao, W. Zhang, and Y. Liu, ¡°Performance comparison of six massive MIMO channel models," in Proc. IEEE/CIC ICCC¡¯17, Invited Paper, Qingdao, China, Oct. 2017.
4. J. Lorca and C.-F. Lopez, "Early Prediction of Packet Errors in FEC-Encoded Systems with Very Few Decoding Iterations," in Proc. WMNC¡¯17, Valencia, Spain, Sept. 2017.
5. C.-F. Lopez, C.-X. Wang, and R. Feng, "A Novel 2D Non-Stationary Wideband Massive MIMO Channel Model," in Proc. IEEE CAMAD¡¯16, Toronto, Canada, Oct. 2016.
6. J. Lorca and C.-F. Lopez, "Frequency-dependent modulation and coding rates for LTE link adaptation in static conditions," in Proc. PIMRC¡¯16, Valencia, Spain, Sept. 2016, pp. 1-6.
7. K. Guan, B. Ai, Z. Zhong, C.-F. Lopez, L. Zhang, and C. Briso-Rodriguez, "Poster: Excess propagation loss for train-to-x communications in curved subway tunnels," in Proc. IEEE VNC¡®14, Paderborn, Germany, 2014, pp. 195-196.
8. C.-F. Lopez, Sergio P¨¦rez, et al.,"Measurements and modelling of radio propagation in subway tunnels," in Proc. WCRR¡¯13, Sidney, Australia, Nov. 2013.
9. C.-F. Lopez, Sergio P¨¦rez, et al.,"Radio Propagation Simulator for Railway Signalling Systems," in Proc. WCRR¡¯13, Sidney, Australia, Nov. 2013.
10. C.-F. Lopez et al., "Measurements and statistical modelling of radio propagation in railway tunnels at frequencies of 900/2400/5800 MHz,¡± in Proc. USNC-URSI¡®13, Lake Buena Vista, FL, 2013, pp. 204-204.
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