Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction

Anastasios K. Papazafeiropoulos; Tharmalingam Ratnarajah

doi:10.1109/ICASSP.2014.6854183

Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction

Anastasios K. Papazafeiropoulos, Tharmalingam Ratnarajah

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

22 Citations (Scopus)

Abstract

We consider a realistic cellular multi-user uplink channel with an excess of base station (BS) antennas, where the number of BS antennas and the number of users per cell increase at the same rate. Specifically, we investigate the negative impact of delayed channel state information at the transmitter (CSIT), when a minimum-mean-square-error (MMSE) detector is applied. Nevertheless, channel prediction is used for overcoming delayed CSIT degradation. We provide the asymptotic signal-to-interference-plus-noise ratios (SINRs) that demonstrate not only their dependence on delayed and predicted CSIT, but also the outperformance of MMSE against maximal ratio combiner (MRC). The deterministic nature of the results renders them easily computed, while simulations show their accuracy even for practical system dimensions.

Original language	English
Title of host publication	2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	3162-3165
Number of pages	4
ISBN (Print)	9781479928927
DOIs	https://doi.org/10.1109/ICASSP.2014.6854183
Publication status	Published - 2014
Event	2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014 - Florence, Italy Duration: 4 May 2014 → 9 May 2014

Conference

Conference	2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014
Country/Territory	Italy
City	Florence
Period	4/05/14 → 9/05/14

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Papazafeiropoulos, A. K., & Ratnarajah, T. (2014). Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction. In 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014 (pp. 3162-3165). Article 6854183 Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/ICASSP.2014.6854183

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abstract = "We consider a realistic cellular multi-user uplink channel with an excess of base station (BS) antennas, where the number of BS antennas and the number of users per cell increase at the same rate. Specifically, we investigate the negative impact of delayed channel state information at the transmitter (CSIT), when a minimum-mean-square-error (MMSE) detector is applied. Nevertheless, channel prediction is used for overcoming delayed CSIT degradation. We provide the asymptotic signal-to-interference-plus-noise ratios (SINRs) that demonstrate not only their dependence on delayed and predicted CSIT, but also the outperformance of MMSE against maximal ratio combiner (MRC). The deterministic nature of the results renders them easily computed, while simulations show their accuracy even for practical system dimensions.",

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Papazafeiropoulos, AK & Ratnarajah, T 2014, Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction. in 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014., 6854183, Institute of Electrical and Electronics Engineers (IEEE), pp. 3162-3165, 2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014, Florence, Italy, 4/05/14. https://doi.org/10.1109/ICASSP.2014.6854183

Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction. / Papazafeiropoulos, Anastasios K.; Ratnarajah, Tharmalingam.
2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014. Institute of Electrical and Electronics Engineers (IEEE), 2014. p. 3162-3165 6854183.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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Uplink performance of massive MIMO subject to delayed CSIT and anticipated channel prediction

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