Signal Processing and Communications Group

Distributed computing, storage and radio resource allocation over cooperative femtocells

Acronym:    TROPIC
Code:    FP7-ICT-2011-8-318784
Funder:    European Commission
Start date:    2012 September 1st
End date:    2015 February 28th
Keywords:    Coud computing, femtocell networks, distributed MIMO, radio resource management, self organising networks
Web site:    http://www.ict-tropic.eu
    
Partners:    4GCellEx, ATOS Spain, CEA-LETI, Consorzio Interuniversitario Nazionale per l'Informatica, Czech Technical University in Prague, Dune S.R.L., Sequans Communications, Telkom and Università di Roma "La Sapienza"
SPCOM Participants:    Adrian Agustin de Dios, Sandra Lagén Morancho, Olga Muñoz Medina, Antonio Pascual Iserte, Marc Torrellas Socastro and Josep Vidal Manzano
SPCOM Responsible:    Josep Vidal Manzano

Summary

Femtocell networks are currently seen as the new communication paradigm for the ever-increasing ubiquitous wireless traffic demands. Being pervasive by nature, its proximity to the subscriber opens a new world of possibilities for the development of applications. Among them, cloud computing services demanded by smartphones could be moved from large server farms to HeNBs, provided that these are equipped with computational and storage resources, thus improving user experience on latency and download/upload speed. TROPIC addresses this scenario by exploiting advanced MP2MP communications schemes, innovative virtualization procedures, and a cross-layer approach to the allocation of resources understood in a wide sense: radio, computational/storage capacity and energy. TROPIC work programme includes the definition and characterization of the system level building blocks and their required interfaces for the implementation of a full system emulator and the development of a proof of concept platform.

More project information: http://futur.upc.edu/13422899

Journal publications

[1] S. Lagén, A. Agustin de Dios and J. Vidal, "Joint User Scheduling, Precoder Design and Transmit Direction Selection in MIMO TDD Small Cell Networks", IEEE Transactions on Wireless Communications, Vol. 16, No. 4, April 2017, pp. 2434 - 2449.

[2] S. Lagén, A. Agustin de Dios and J. Vidal, "Coexisting Linear and Widely Linear Transceivers in the MIMO Interference Channel", IEEE Transactions on Signal Processing, Vol. 64, No. 3, February 2016, pp. 652 - 664.

[3] O. Muñoz Medina, A. Pascual Iserte and J. Vidal, "Optimization of Radio and Computational Resources for Energy Efficiency in Latency-Constrained Application Offloading", IEEE Transactions on Vehicular Technology, Vol. 64, No. 10, October 2015, pp. 4738 - 4755.

[4] S. Lagén, A. Agustin de Dios and J. Vidal, "Decentralized Coordinated Precoding for Dense TDD Small Cell Networks", IEEE Transactions on Wireless Communications, Vol. 14, No. 8, August 2015, pp. 4546 - 4561.

[5] M. Torrellas, A. Agustin de Dios, J. Vidal and O. Muñoz Medina, "The DoF of the 3user MIMO Interference Channel", Transactions on Communications, IEEE Transactions on Communications, Vol. 62, No. 11, September 2014, pp. 3842 - 3853.

Conference publications

[1] S. Lagén, O. Muñoz Medina, A. Pascual Iserte, J. Vidal and A. Agustin de Dios, "Long-term Provisioning of Radio Resources Based on their Utilization in Dense OFDMA Networks", IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2016.

[2] S. Lagén, A. Agustin de Dios, J. Vidal, B. Soret and K. I. Pedersen, "Distributed User-Centric Clustering and Precoding Design for CoMP Joint Transmission", IEEE Global Communications Conference, December 2015.

[3] M. Torrellas, A. Agustin de Dios and J. Vidal, "Net DoF analysis for the K-user MISO IC with outdated and imperfect channel feedback", European Conference on Networks and Communications, June 2015, pp. 52 - 56.

[4] M. Torrellas, A. Agustin de Dios and J. Vidal, "Retrospective Interference Alignment for the MIMO Interference Broadcast Channel with Delayed CSIT", IEEE International Symposium on Information Theory, June 2015, pp. 1492 - 1496.

[5] A. Agustin de Dios, S. Lagén and J. Vidal, "Channel Training Procedures for MIMO Interfering Point-to-Multipoint Channel", IEEE Global Communications Conference, December 2014.

[6] S. Lagén, A. Agustin de Dios and J. Vidal, "Decentralized Widely Linear Precoding Design for the MIMO Interference Channel", IEEE Global Communications Conference, December 2014.

[7] M. Molina, O. Muñoz Medina, A. Pascual Iserte and J. Vidal, "Joint Scheduling of Communication and Computation Resources in Multiuser Wireless Application Offloading", IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2014, pp. 1093 - 1098.

[8] M. Torrellas, A. Agustin de Dios and J. Vidal, "Retrospective Interference Alignment for the 3-user MIMO Interference Channel with delayed CSIT", IEEE International Conference on Acoustics, Speech and Signal Processing, IEEE International Conference on Acoustics, Speech and Signal Processing, May 2014.

[9] M. Torrellas, A. Agustin de Dios and J. Vidal, "On the Degrees of freedom of the K-user MISO Interference Channel with imperfect delayed CSIT", IEEE International Conference on Acoustics, Speech and Signal Processing, IEEE International Conference on Acoustics, Speech and Signal Processing, May 2014.

[10] S. Lagén, A. Agustin de Dios and J. Vidal, "Improper Gaussian signaling for the Z-Interference Channel", IEEE International Conference on Acoustics, Speech and Signal Processing, May 2014.

[11] S. Lagén, A. Agustin de Dios and J. Vidal, "Decentralized Beamforming with Coordinated Sounding for Inter-Cell Interference Management", European Wireless, May 2014.

[12] O. Muñoz Medina, A. Pascual Iserte and J. Vidal, "Energy-Latency Trade-off for Multiuser Wireless Computation Offloading", Cloud Technologies and Energy Efficiency in Mobile Communication Networks workshop in IEEE WCNC 2014, April 2014, pp. 29 - 33.

[13] M. Torrellas, A. Agustin de Dios and J. Vidal, "Performance Analysis of Inter-cell Interference Coordination in Small-Cell Networks with long feedback delays", Future Network & Mobile Summit, European Conf. on Networks and Communications, March 2014.

[14] S. Lagén, A. Agustin de Dios and J. Vidal, "Distributed Inter-Cluster Interference Management for CoMP-based Cellular Networks", IEEE Global Communications Conference, December 2013.

[15] A. Agustin de Dios and J. Vidal, "Degrees of Freedom of the rank-deficient MIMO X channel", IEEE Information Theory Workshop, Information Theory Workshop, Vol. 1, September 2013.

[16] O. Muñoz Medina, A. Pascual Iserte and J. Vidal, "Joint Allocation of Radio and Computational Resources in Wireless Application Offloading", Future Network & Mobile Summit, July 2013, pp. 1 - 10.

[17] M. Torrellas, A. Agustin de Dios and J. Vidal, "Coordinated Beamforming Access for Interfering Half-Duplex Relay Networks", IEEE International Conference on Communications, ICC Workshop: Beyond LTE-A, June 2013.

[18] M. Nájar, J. M. Huerta Guillén, J. Vidal and J. A. Castro Fernandez, "Mobile Location with Bias Tracking in Non-Line-of-Sight", IEEE International Conference on Acoustics, Speech and Signal Processing, May 2004.

Patents

[1] S. Lagén, A. Agustin de Dios and J. Vidal, "Method and systems for decentralized interference management in a multi-antenna wireless communication system" August 2014.