Pilot precoding and combining in multiuser MIMO networks

NN Moghadam, H Shokri-Ghadikolaei… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
… In this paper, we characterize the gains of pilot precoding and … pilot transmission scenarios
in an mmWave MU-MIMO cellular system: 1) non-precoded and uncombined; 2) precoded but …

Massive MIMO linear precoding: A survey

N Fatema, G Hua, Y Xiang, D Peng… - IEEE systems …, 2017 - ieeexplore.ieee.org
… We show that a viable precoding technique for massive MIMOpilot contamination problem
caused by intercell interference. A possible way of tackling pilot contamination is precoding. …

Massive MU-MIMO downlink TDD systems with linear precoding and downlink pilots

HQ Ngo, EG Larsson… - 2013 51st Annual Allerton …, 2013 - ieeexplore.ieee.org
… We assume that the BS uses linear precoding for the transmission. To reliably decode the …
BS precodes the pilot sequences and forwards to all users. Then, based on the received pilots, …

Overview of precoding techniques for massive MIMO

MA Albreem, AH Al Habbash, AM Abu-Hudrouss… - IEEE …, 2021 - ieeexplore.ieee.org
… -scale MIMO, they have been exploited in massive MIMO networks… -scale MIMO precoding
techniques for massive MIMO. This … number of orthogonal pilots in massive MIMO systems in a …

Deep learning for multi-user MIMO systems: Joint design of pilot, limited feedback, and precoding

J Jang, H Lee, IM Kim, I Lee - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
… of pilots, limited feedback, and the precoder. To this end, we introduce neural network (NN) …
channel acquisition process of MU-MIMO networks. Specifically, we propose to use a NN for …

Soft pilot reuse and multicell block diagonalization precoding for massive MIMO systems

X Zhu, Z Wang, C Qian, L Dai, J Chen… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
pilot reuse (SPR) scheme for mitigating the PC of LS-MIMO systems, whereby a cell-edge
pilotpilot group in all cells. Furthermore, by extending the classical block diagonalization (BD) …

Implicit pilots for an efficient channel estimation in simplified massive MIMO schemes with precoding

M Marques da Silva, R Dinis… - International Journal of …, 2019 - Wiley Online Library
… This section presents results using implicit pilots for channel estimation, for m-MIMO using
precoding. A comparison is also performed with the results obtained with ideal channel …

A weighted least squares approach to precoding with pilots for MIMO-OFDM

T Pande, DJ Love, JV Krogmeier - IEEE transactions on signal …, 2006 - ieeexplore.ieee.org
… In this correspondence, we proposed a method for performing precoding with pilot-based
feedback. The idea is to formulate the per subcarrier precoder design problem using pilot tone …

Multicell multiuser massive MIMO transmission with downlink training and pilot contamination precoding

J Zuo, J Zhang, C Yuen, W Jiang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
… In Section III, the beamforming training scheme and pilot contamination precoding scheme
under multi-cell scenario is discussed and then we propose the BT-PCP transmission scheme…

Pilot contamination and precoding in multi-cell TDD systems

J Jose, A Ashikhmin, TL Marzetta… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
… MULTI-CELL MMSE-BASED PRECODING In the previous section, we show that pilot
contamination severely impacts the system performance by increasing the inter-cell interference. In …