Publications

You can find my Google Scholar profile here.

Journal papers

  1. T.-V. Nguyen, S. Nassirpour, I. Atzeni, A. Tölli, A. L. Swindlehurst, and D. H. N. Nguyen, "MIMO detection with spatial Sigma-Delta ADCs: A variational Bayesian approach," IEEE Trans. Signal Process. (submitted), 2024. [Open access link]

  2. M. Ma, N. T. Nguyen, I. Atzeni, A. L. Swindlehurst, and M. Juntti, "Digital and hybrid precoding designs in massive MIMO with low-resolution ADCs," IEEE Wireless Commun. Lett. (submitted), 2024. [Open access link]

  3. A. Radbord, I. Atzeni, and A. Tölli, "Enhanced uplink data detection for massive MIMO with 1-bit ADCs: Analysis and joint detection," IEEE Trans. Signal Process. (submitted), 2024. [Open access link]

  4. D. H. N. Nguyen, I. Atzeni, A. Tölli, and A. L. Swindlehurst, "A variational Bayesian perspective on massive MIMO detection," IEEE Trans. Wireless Commun. (submitted), 2024. [Open access link]

  5. M. Ma, N. T. Nguyen, I. Atzeni, and M. Juntti, "Joint beamforming design and bit allocation in massive MIMO with resolution-adaptive ADCs," IEEE Trans. Wireless Commun. (submitted), 2024. [Open access link]

  6. B. Gouda, I. Atzeni, and A. Tölli, "Uplink transmit power optimization for distributed massive MIMO systems with 1-bit ADCs," IEEE Trans. Wireless Commun. (submitted), 2024. [Open access link]

  7. M. Ding, I. Atzeni, A. Tölli, and A. L. Swindlehurst, "On the optimal MMSE channel estimation for one-bit quantized MIMO systems," IEEE Trans. Signal Process. (submitted), 2024. [Open access link]

  8. B. Gouda, I. Atzeni, and A. Tölli, "Pilot-aided distributed multi-group multicast precoding design for cell-free massive MIMO," IEEE Trans. Wireless Commun., vol. 23, no. 8, pp. 9282–9298, Aug. 2024. [Open access link]

  9. B. Gouda, A. Arvola, I. Atzeni, and A. Tölli, "Combined DL-UL distributed beamforming design for cell-free massive MIMO," IEEE Wireless Commun. Lett., vol. 13, no. 6, pp. 1621–1625, Jun. 2024. [Open access link]

  10. M. Hupez, J.-F. Toubeau, I Atzeni, Z. De Grève, and F. Vallée, "Pricing electricity in residential communities using game-theoretical billings," IEEE Trans. Smart Grid, vol. 14, no. 2, pp. 1621–1631, Mar. 2023. [Open access link]

  11. D. Abdelhameed, K. Umebayashi, I. Atzeni, and A. Tölli, "Enhanced signal detection and constellation design for massive SIMO communications with 1-bit ADCs," IEEE Access, vol. 11, pp. 11749–11765, Feb. 2023. [Open access link]

  12. P. Mursia, I. Atzeni, L. Cottatellucci, and D. Gesbert, "Enforcing statistical orthogonality in massive MIMO systems via covariance shaping," IEEE Trans. Wireless Commun., vol. 21, no. 10, pp. 8106–8119, Oct. 2022. [Open access link]

  13. I. Atzeni and A. Tölli, "Channel estimation and data detection analysis of massive MIMO with 1-bit ADCs," IEEE Trans. Wireless Commun., vol. 21, no. 6, pp. 3850–3867, Jun. 2022. [Open access link]

  14. N. Rajatheva, I. Atzeni, S. Bicaïs, E. Björnson, A. Bourdoux, S. Buzzi, C. D'Andrea, J.-B. Dore, S. Erkucuk, M. Fuentes, K. Guan, Y. Hu, X. Huang, J. Hulkkonen, J. M. Jornet, M. Katz, B. Makki, R. Nilsson, E. Panayirci, K. Rabie, N. Rajapaksha, M. Salehi, H. Sarieddeen, S. Shahabuddin, T. Svensson, O. Tervo, A. Tölli, Q. Wu, and W. Xu, "Scoring the Terabit/s goal: Broadband connectivity in 6G," IEEE Access (Submitted), 2021. [Open access link]

  15. P. Mursia, I. Atzeni, M. Kobayashi, and D. Gesbert, "D2D-aided multi-antenna multicasting under generalized CSIT," IEEE Trans. Wireless Commun. (submitted), 2021. [Open access link]

  16. I. Atzeni, B. Gouda, and A. Tölli, "Distributed precoding design via over-the-air signaling for cell-free massive MIMO," IEEE Trans. Wireless Commun., vol. 20, no. 2, pp. 1201–1216, Feb. 2021. [Open access link]

  17. I. Atzeni, J. Arnau, and M. Kountouris, "Downlink cellular network analysis with LOS/NLOS propagation and elevated base stations," IEEE Trans. Wireless Commun., vol. 17, no. 1, pp. 142–156, Jan. 2018. [Open access link]

  18. I. Atzeni and M. Kountouris, "Full-duplex MIMO small-cell networks with interference cancellation," IEEE Trans. Wireless Commun., vol. 16, no. 12, pp. 8362–8376, Dec. 2017. [Open access link]

  19. I. Atzeni, L. G. Ordóñez, G. Scutari, D. P. Palomar, and J. R. Fonollosa, "Noncooperative day-ahead bidding strategies for demand-side expected cost minimization: A GNEP approach," IEEE Trans. Signal Process., vol. 62, no. 9, pp. 2397–2412, May 2014. [Open access link]

  20. I. Atzeni, L. G. Ordóñez, G. Scutari, D. P. Palomar, and J. R. Fonollosa, "Demand-side management via distributed energy generation and storage optimization," IEEE Trans. Smart Grid, vol. 4, no. 2, pp. 866–876, Jun. 2013. [Open access link]

  21. I. Atzeni, L. G. Ordóñez, G. Scutari, D. P. Palomar, and J. R. Fonollosa, "Noncooperative and cooperative optimization of distributed energy generation and storage in the demand-side of the smart grid," IEEE Trans. Signal Process., vol. 61, no. 10, pp. 2454–2472, May 2013. [Open access link]

Conferences papers

  1. A. Arjas and I. Atzeni, "A modified sparse Bayesian learning method with application to massive MIMO channel estimation," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Hyderabad, India, Apr. 2025. [Open access link]

  2. B. Gouda, I. Atzeni, and A. Tölli, "Data-aided regularization of direct estimate combiner in distributed MIMO systems," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Hyderabad, India, Apr. 2025. [Open access link]

  3. M. Ma, N. T. Nguyen, I. Atzeni, and M. Juntti, “Hybrid receiver design for massive MIMO-OFDM with low-resolution ADCs and oversampling,” in Proc. IEEE Wireless Commun. and Netw. Conf. (WCNC), Milan, Italy, Mar. 2025. [Open access link]

  4. T.-V. Nguyen, S. Nassirpour, I. Atzeni, A. Tölli, A. L. Swindlehurst, and D. H. N. Nguyen, “Optimal detection in MIMO systems using spatial Sigma-Delta ADCs,” in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Oct. 2024. [Open access link]

  5. M. Ding, I. Atzeni, A. Tölli, and A. L. Swindlehurst, "Optimality of the Bussgang linear MMSE channel estimator for MIMO systems with 1-bit ADCs," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Lucca, Italy, Sep. 2024. [Open access link]

  6. L. V. Nguyen, D. H. N. Nguyen, I. Atzeni, A. Tölli, and A. L. Swindlehurst, "Channel estimation in low-resolution near-field massive MIMO systems," in Proc. IEEE Sensor Array and Multichannel Signal Process. Workshop (SAM), Corvallis, OR, USA, Jul. 2024. [Open access link]

  7. P. Gavriilidis, I. Atzeni, and G. C. Alexandropoulos, "Metasurface-based receivers with 1-bit ADCs for multi-user uplink communications," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Seoul, South Korea, Apr. 2024. [Open access link]

  8. I. Gavras, I. Atzeni, and G. C. Alexandropoulos, "Near-field localization with 1-bit quantized hybrid A/D reception," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Seoul, South Korea, Apr. 2024. [Open access link]

  9. A. Ravinath, B. Gouda, I. Atzeni, and A. Tölli, "Pilot-based uplink power control in single-UE massive MIMO systems with 1-bit ADCs," in Proc. IEEE Int. Workshop Comput. Adv. in Multi-Sensor Adaptive Process. (CAMSAP), Los Sueños, Costa Rica, Dec. 2023. [Open access link]

  10. B. Gouda, I. Atzeni, and A. Tölli, "Uplink power control for distributed massive MIMO with 1-bit ADCs," in Proc. IEEE Global Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 2023. [Open access link]

  11. A. Radbord, I. Atzeni, A. Tölli, "Enhanced data detection for massive MIMO with 1-bit ADCs," in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Oct. 2023. [Open access link]

  12. I. Atzeni, A. Tölli, D. H. N. Nguyen, and A. L. Swindlehurst, "Doubly 1-bit quantized massive MIMO," in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Oct. 2023. [Open access link]

  13. M. Ma, N. T. Nguyen, I. Atzeni, and M. Juntti, "Analysis of oversampling in uplink massive MIMO-OFDM with low-resolution ADCs," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Shanghai, China, Sep. 2023. [Open access link] 🏆 Best Paper Award! 🏆

  14. A. Radbord, I. Atzeni, and A. Tölli, "Multi-user data detection in massive MIMO with 1-bit ADCs," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Rhodes Island, Greece, Jun. 2023. [Open access link]

  15. B. Gouda, I. Atzeni, and A. Tölli, "Distributed precoding design for multi-group multicasting in cell-free massive MIMO," in Proc. IEEE Global Commun. Conf. (GLOBECOM), Rio de Janeiro, Brazil, Dec. 2022. [Open access link]

  16. B. Gouda, I. Atzeni, and A. Tölli, "Joint minimum DL-UL rate maximization for cell-free massive MIMO," in Proc. Int. ITG Workshop Smart Antennas (WSA), Sophia Antipolis, France, Nov. 2021. [Open access link]

  17. I. Atzeni, A. Tölli, and G. Durisi, "Low-resolution massive MIMO under hardware power consumption constraints," in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Nov. 2021. [Open access link]

  18. D. Abdelhameed, K. Umebayashi, A. Al-Tahmeesschi, I. Atzeni, and A. Tölli, "Enhanced signal detection for massive SIMO communications with 1-bit ADCs," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Lucca, Italy, Sep. 2021. [Open access link]

  19. I. Atzeni and A. Tölli, "Uplink data detection analysis of 1-bit quantized massive MIMO," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Lucca, Italy, Sep. 2021. [Open access link]

  20. I. Atzeni, B. Gouda, and A. Tölli, "Distributed joint receiver design for cell-free massive MIMO," in Proc. IEEE Int. Conf. Commun. (ICC), Dublin, Ireland, Jun. 2020. [Open access link]

  21. B. Gouda, I. Atzeni, and A. Tölli, "Distributed precoding design for cell-free massive MIMO systems," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Atlanta, GA, USA, May 2020. [Open access link]

  22. P. Mursia, I. Atzeni, M. Kobayashi, and D. Gesbert, "D2D-aided multi-antenna multicasting in a dense network," in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Nov. 2019. [Open access link]

  23. A. Padmanabhan, A. Tölli, and I. Atzeni, "Distributed two-stage multi-cell precoding," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Cannes, France, Jul. 2019. [Open access link]

  24. P. Mursia, I. Atzeni, D. Gesbert, and M. Kobayashi, "D2D-aided multi-antenna multicasting," in Proc. IEEE Int. Conf. Commun. (ICC), Shanghai, China, May 2019. [Open access link] 🏆 Best Paper Award! 🏆

  25. P. Mursia, I. Atzeni, D. Gesbert, and L. Cottatellucci, "Covariance shaping in massive MIMO systems," in Proc. IEEE Global Commun. Conf. (GLOBECOM), Abu Dhabi, UAE, Dec. 2018. [Open access link]

  26. P. Mursia, I. Atzeni, D. Gesbert, and L. Cottatellucci, "On the performance of covariance shaping in massive MIMO systems," in Proc. IEEE Int. Workshop Computer-Aided Modeling Analysis and Design of Commun. Links and Netw. (CAMAD), Barcelona, Spain, Sep. 2018. [Open access link]

  27. I. Atzeni and D. Gesbert, "Cooperative MIMO precoding with distributed CSI: A hierarchical approach," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Kalamata, Greece, Jun. 2018. [Open access link]

  28. I. Atzeni, M. Maso, I. Ghamnia, E. Baştuğ, and M. Debbah, "Flexible cache-aided networks with backhauling," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Sapporo, Japan, Jul. 2017. [Open access link]

  29. I. Atzeni, J. Arnau, and M. Kountouris, "Performance analysis of ultra-dense networks with elevated base stations," in Proc. Int. Symp. Modeling and Optimiz. in Mobile, Ad Hoc, and Wireless Netw. (WiOpt), Paris, France, May 2017. [Open access link]

  30. M. Maso, I. Atzeni, I. Ghamnia, E. Baştuğ, and M. Debbah, "Cache-aided full-duplex small cells," in Proc. Int. Symp. Modeling and Optimiz. in Mobile, Ad Hoc, and Wireless Netw. (WiOpt), Paris, France, May 2017. [Open access link]

  31. I. Atzeni and M. Kountouris, "Performance analysis of partial interference cancellation in multi-antenna UDNs," in Proc. Asilomar Conf. Signals, Syst., and Comput. (ASILOMAR), Pacific Grove, CA, USA, Nov. 2016. [Open access link]

  32. G. C. Alexandropoulos, M. Kountouris, and I. Atzeni, "User scheduling and optimal power allocation for full-duplex cellular networks," in Proc. IEEE Int. Workshop Signal Process. Adv. in Wireless Commun. (SPAWC), Edinburgh, UK, Jul. 2016. [Open access link]

  33. I. Atzeni, M. Kountouris, and G. C. Alexandropoulos, "Performance evaluation of user scheduling for full-duplex small cells in ultra-dense networks," in Proc. European Wireless Conf. (EW), Oulu, Finland, May 2016. [Open access link]

  34. J. Arnau, I. Atzeni, and M. Kountouris, "Impact of LOS/NLOS propagation and path loss in ultra-dense cellular networks," in Proc. IEEE Int. Conf. Commun. (ICC), Kuala Lumpur, Malaysia, May 2016. [Open access link]

  35. I. Atzeni, M. Maso, and M. Kountouris, "Optimal low-complexity self-interference cancellation for full-duplex MIMO small cells," in Proc. IEEE Int. Conf. Commun. (ICC), Kuala Lumpur, Malaysia, May 2016. [Open access link]

  36. I. Atzeni and M. Kountouris, "Full-duplex MIMO small-cell networks: Performance analysis," in Proc. IEEE Global Commun. Conf. (GLOBECOM), San Diego, CA, USA, Dec. 2015. [Open access link]

  37. M. Maso, S. Lakshminarayana, I. Atzeni, and S. Gupta, "Energy as a commodity: Enhancing the sum-rate of MISO interference channels via energy cooperation," in Proc. IEEE Global Commun. Conf. (GLOBECOM), San Diego, CA, USA, Dec. 2015.

  38. I. Atzeni, J. Arnau, and M. Debbah, "Fractional pilot reuse in massive MIMO systems," in Proc. IEEE Int. Conf. Commun. (ICC), London, UK, Jun. 2015. [Open access link]

  39. I. Atzeni, L. G. Ordóñez, G. Scutari, D. P. Palomar, and J. R. Fonollosa, "Cooperative day-ahead bidding strategies for demand-side expected cost minimization," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Vancouver, Canada, May 2013. [Open access link]

  40. I. Atzeni, L. G. Ordóñez, G. Scutari, D. P. Palomar, and J. R. Fonollosa, "Day-ahead bidding strategies for demand-side expected cost minimization," in Proc. IEEE Int. Conf. Smart Grid Comm. (SmartGridComm), Tainan City, Taiwan, Nov. 2012. [Open access link]

Book chapters and monographs

  1. N. H. Mahmood, I. Atzeni, E. A. Jorswieck, and O. L. A. López, "Ultra-reliable low-latency communications: Foundations, enablers, system design, and evolution towards 6G," in Found. and Trends Commun. and Inf. Theory, vol. 20, no. 5–6, pp. 512–747, Oct. 2023. [Open access link]

  2. I. Atzeni and M. Maso, "Full-duplex radios for wireless edge caching," in Wireless Edge Caching: Modelling, Analysis, and Optimization. London, UK: Cambridge Univ. Press, 2020. [Open access link]

Patents

  1. A. Arvola, B. Gouda, I. Atzeni, A. Tölli, J. P. Karjalainen, S.-J. Hakola, and T. Koskela, and Y. Yuk, "Comb offset randomization," WO2024/170094A1, filed 17 Feb. 2023. [Google Patents link]

  2. I. Atzeni, A. Arvola, B. Gouda, A. Tölli, J. P. Karjalainen, S.-J. Hakola, and T. Koskela, "Client device and network node device," US2024/0129856A1, filed 14 Oct. 2022. [Google Patents link]

  3. A. Arvola, I. Atzeni, B. Gouda, A. Tölli, J. P. Karjalainen, S.-J. Hakola, and T. Koskela, "Adjusting a client device receiver parameter, and related devices, methods and computer programs," US2024/0129865A1, filed 14 Oct. 2022. [Google Patents link]

  4. A. Arvola, B. Gouda, I. Atzeni, A. Tölli, J. P. Karjalainen, S.-J. Hakola, T. Koskela, and Y. Yuk, "Apparatus, method and computer program for precoding," US2024/0121730A1, filed 30 Sep. 2022. [Google Patents link]

  5. J. P. Karjalainen, B. Gouda, S.-J. Hakola, T. Koskela, A. Arvola, I. Atzeni, A. Tölli, and F. Tosato, "Method for Doppler information reporting," WO2024/032946A1, filed 12 Aug. 2022. [Google Patents link]

  6. A. Arvola, B. Gouda, I. Atzeni, A. Tölli, J. P. Karjalainen, S.-J. Hakola, T. Koskela, and F. Tosato, "UL SRS power control under multi-TRP operation for C-JT," WO2023/213520A1, filed 6 May 2022. [Google Patents link]

  7. D. Kumar, I. Atzeni, A. Tölli, J. P. Karjalainen, T. Koskela, S.-J. Hakola, and J. Y. Hulkkonen, "Method for uplink sounding under MPE constraint," PCT/FI2021/5033, filed 13 Jan. 2021.

  8. D. Kumar, I. Atzeni, C. Morais de Lima, A. Tölli, J. P. Karjalainen, S.-J. Hakola, T. Koskela, and J. Y. Hulkkonen, "Enhancing positioning efficiency," US2023/0239829A1, filed 1 Jul. 2020. [Google Patents link]

  9. J. P. Karjalainen, T. Koskela, S.-J. Hakola, I. Atzeni, C. Morais de Lima, D. Kumar, and A. Tölli, "Spatial domain measurements for beam based positioning," US2023/0147613A1, filed 20 Mar. 2020. [Google Patents link]

  10. J. P. Karjalainen, T. Koskela, S.-J. Hakola, J. Y. Hulkkonen, D. Kumar, I. Atzeni, C. Morais de Lima, and A. Tölli, "Beam ranking for positioning," US2022/0345194A1, filed 23 Aug. 2019. [Google Patents link]

  11. M. Kountouris, J. Arnau, and I. Atzeni, "Method and apparatus for enhancing user selection in a MU-MIMO system," WO2017/108075A1, filed 21 Dec. 2015. [Google Patents link]

  12. J. Arnau and I. Atzeni, "Fractional pilot reuse in multi-user MIMO," WO2017/084703A1, filed 18 Nov. 2015. [Google Patents link]

  13. I. Atzeni, M. Maso, and M. Kountouris, "A full-duplex communication apparatus and a method of operating a full-duplex communication apparatus," WO2017/063696A1, filed 15 Oct. 2015. [Google Patents link]

Doctoral thesis

  1. I. Atzeni, "Distributed demand-side optimization in the smart grid," PhD dissertation, Signal Theory and Communications Department, Polytechnic University of Catalonia—BarcelonaTech, Jul. 2014. [Open access link]

Others

  1. N. Rajatheva, I. Atzeni, E. Björnson, A. Bourdoux, S. Buzzi, J.-B. Dore, S. Erkucuk, M. Fuentes, K. Guan, Y. Hu, X. Huang, J. Hulkkonen, J. M. Jornet, M. Katz, R. Nilsson, E. Panayirci, K. Rabie, N. Rajapaksha, M. Salehi, H. Sarieddeen, T. Svensson, O. Tervo, A. Tölli, Q. Wu, and W. Xu, "White paper on broadband connectivity in 6G," White paper, Jun. 2020. [Open access link]