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Àlex Oliveras Martínez, Ph.D. fellow

Connectivity section, Aalborg University

Selma Lagerløfs Vej 312, 9220 Aalborg Ø, DK,


My Ph.D. research is on massive MIMO, which is considered an enabling technology for 5G. Throughout the Ph.D. I had to develop software to analyze data of measured communications channels, and study its characteristics and performance. I have good programming skills and a good knowledge of communications technologies. I am a very quick learner, and I have an analytical mindset focused on finding solutions. During the Ph.D. I also learned to be perseverant, efficient, and to work under pressure.


Published À. O. Martínez, P. Popovski, J. Ø. Nielsen and E. De Carvalho, “Experimental Study of the Benefits of a Second Antenna at the User Side in a Massive MIMO System,” in IEEE Access, December 2017.
Published À. O. Martínez, E. De Carvalho, J. Ø. Nielsen, “Massive MIMO Properties based on Measured Channels: Channel Hardening, User Decorrelation and Channel Sparsity,” Asilomar, November 2016.
Published À. O. Martínez, P. Eggers, E. De Carvalho, “Geometry-Based Stochastic Channel Models for 5G: Extending Key Features for Massive MIMO,” PIMRC, September 2016.
Published L. Jing, E. De Carvalho, P. Popovski, À. O. Martínez, “Design and Performance Analysis of Non-Coherent Detection Systems with Massive Receiver Arrays,” Transactions on Signal Processing, IEEE, 2016.
Published À. O. Martínez, E. De Carvalho, J. Ø. Nielsen, J. Lishuai, “Frequency Dependence of Measured Massive MIMO Channel Properties,” VTC, May 2016.
Published W. Fan, P. Kyösti, J. Nuutinen, À. O. Martínez, J.Ø. Nielsen, G. F. Pedersen, “Generating Spatial Channel Models in Multi-probe Anechoic Chamber Setups,” VTC, May 2016.
Published À. O. Martínez, E. De Carvalho, J. Ø. Nielsen, “Towards Very Large Aperture Massive MIMO: a measurement based study,” Globecom Workshop, December 2014.
Published À. O. Martínez, E. De Carvalho, P. Popovski, G. F. Pedersen, “Energy detection using very large antenna array receivers,” Asilomar, November 2014.


From October 2014 to October 2015 Aalborg University-Huawei Cooperation project: Modeling and Characterization of the Massive MIMO Channel


From August 2014 to (November 2017) Ph.D. at Aalborg University. Aalborg, Denmark
From February 2013 to July 2013 Master's thesis at Tsinghua University. Beijing, China
From September 2008 to July 2013 Telecommunications engineering at Universitat Politècnica de Catalunya. Barcelona, Spain

Work experience

From February 2014 to August 2014 Research assistant (Research on Massive MIMO) at Aalborg University, APNet (Elisabeth De Carvalho)
From September 2013 to December 2013 Researcher (Research on wireless communications (MIMO)) at Tsinghua University, NiuLab (Niu, ZhiSheng)
From March 2010 to December 2010 Research assistant (Research on nanotechnology (MEMS)) at UPC, micro and nano technologies group (Manuel Domingez Pumar)


2013 Banco Santander-UPC China Scolarship


Common European Framework Catalan: native speaker
of Reference for Languages Spanish: native speaker
English: proficient user
Chinese: independent user