Decentralized baseband processing for massive MU-MIMO systems

K Li, RR Sharan, Y Chen, T Goldstein… - IEEE Journal on …, 2017 - ieeexplore.ieee.org
Achieving high spectral efficiency in realistic massive multi-user (MU) multiple-input multiple-
output (MIMO) wireless systems requires computationally complex algorithms for data …

{FlexCore}: Massively Parallel and Flexible Processing for Large {MIMO} Access Points

C Husmann, G Georgis, K Nikitopoulos… - … USENIX Symposium on …, 2017 - usenix.org
Large MIMO base stations remain among wireless network designers' best tools for
increasing wireless throughput while serving many clients, but current system designs …

Massively parallel tree search for high-dimensional sphere decoders

K Nikitopoulos, G Georgis… - … on Parallel and …, 2018 - ieeexplore.ieee.org
The recent paradigm shift towards the transmission of large numbers of mutually interfering
information streams, as in the case of aggressive spatial multiplexing, combined with …

Implementation of a high throughput soft MIMO detector on GPU

M Wu, Y Sun, S Gupta, JR Cavallaro - Journal of Signal Processing …, 2011 - Springer
Multiple-input multiple-output (MIMO) significantly increases the throughput of a
communication system by employing multiple antennas at the transmitter and the receiver …

A GPU implementation for two MIMO-OFDM detectors

T Nyländen, J Janhunen, O Silvén… - … on Embedded Computer …, 2010 - ieeexplore.ieee.org
Two real-valued signal models based on selective spanning with fast enumeration (SSFE)
and layered orthogonal lattice detector (LORD) algorithms are implemented on a Nvidia …

Implementation of a 3GPP LTE turbo decoder accelerator on GPU

M Wu, Y Sun, JR Cavallaro - 2010 IEEE Workshop On Signal …, 2010 - ieeexplore.ieee.org
This paper presents a 3GPP LTE compliant turbo decoder accelerator on GPU. The
challenge of implementing a turbo decoder is finding an efficient map** of the decoder …

Multisphere: Massively parallel tree search for large sphere decoders

K Nikitopoulos, D Chatzipanagiotis… - 2016 IEEE Global …, 2016 - ieeexplore.ieee.org
This work introduces MultiSphere, a method to massively parallelize the tree search of large
sphere decoders in a nearly-independent manner, without compromising their maximum …

GPU accelerated successive interference cancellation for NOMA uplink with user clustering

T Manglayev, RC Kizilirmak, YH Kho… - Wireless Personal …, 2018 - Springer
Non-orthogonal multiple access (NOMA) can achieve high throughput by using the same
time and frequency resources for multiple users. NOMA distinguishes multiple users in …

FFT-SPA non-binary LDPC decoding on GPU

J Andrade, G Falcao, V Silva… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
It is well known that non-binary LDPC codes outperform the BER performance of binary
LDPC codes for the same code length. The superior BER performance of non-binary codes …

Massively parallel and flexible processing for MIMO systems

K Nikitopoulos - Wiley 5G Ref: The Essential 5G Reference …, 2019 - Wiley Online Library
Abstract 5G mobile systems and beyond are envisaged to provide very high throughput, to
meet very strict requirements in terms of latency, and to support a very large number of …