@inproceedings{27a0a0b067d34791a128ac84d5d55576,
title = "Cooperative multi-cell MIMO downlink precoding for finite-alphabet inputs",
abstract = "This work studies the design of linear precoders for cooperative multi-cell MIMO downlink systems with finite alphabet inputs. Traditionally, multi-cell MIMO downlink precoder designs rely on Gaussian input assumption, which may lead to performance loss when the true inputs admit discrete non-Gaussian symbols. In this work, we present optimized precoders by maximizing weighted sum rate (of finite-alphabet-input) under a set of single basestation power constraints. Specifically, we propose a simple gradient algorithm for general multi-cell MIMO downlink channel and a block diagonalization gradient algorithm while supporting interference cancellation.",
keywords = "Multi-cell downlink, dual decomposition, finite-alphabet input, gradient descent, linear precoding",
author = "Wenhao Wu and Kun Wang and Zhi Ding and Chengshan Xiao",
year = "2014",
doi = "10.1109/ICASSP.2014.6853639",
language = "English",
isbn = "9781479928927",
series = "ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "464--468",
booktitle = "2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014",
address = "United States",
note = "2014 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2014 ; Conference date: 04-05-2014 Through 09-05-2014",
}