{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 …

A 675 Mbps, 4 4 64-QAM K-Best MIMO Detector in 0.13 CMOS

M Shabany, PG Gulak - IEEE transactions on very large scale …, 2010 - ieeexplore.ieee.org
This paper introduces a novel scalable pipelined VLSI architecture for a 4× 4 64-QAM hard-
output multiple-input-multiple-output (MIMO) detector based on K-best lattice decoders. The …

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 …

Novel MIMO detection algorithm for high-order constellations in the complex domain

M Mahdavi, M Shabany - IEEE transactions on very large scale …, 2012 - ieeexplore.ieee.org
A novel detection algorithm with an efficient VLSI architecture featuring efficient operation
over infinite complex lattices is proposed. The proposed design results in the highest …

Geosphere: Consistently turning MIMO capacity into throughput

K Nikitopoulos, J Zhou, B Congdon… - ACM SIGCOMM …, 2014 - dl.acm.org
This paper presents the design and implementation of Geosphere, a physical-and link-layer
design for access point-based MIMO wireless networks that consistently improves network …

Non-linear base-station processing within a 3GPP compliant framework

K Nikitopoulos, M Filo, C Jayawardena… - IEEE …, 2021 - ieeexplore.ieee.org
MIMO mobile systems, with a large number of antennas at the base-station side, enable the
concurrent transmission of multiple, spatially separated information streams, and therefore …

Search sequence determination for tree search based detection algorithms

B Mennenga, G Fettweis - 2009 IEEE Sarnoff Symposium, 2009 - ieeexplore.ieee.org
Tree search based detection algorithms provide a promising approach to solve the detection
problems in MIMO systems. Depth-first, Breadth-first or Metric-first search strategies provide …

Trellis-search based soft-input soft-output MIMO detector: Algorithm and VLSI architecture

Y Sun, JR Cavallaro - IEEE Transactions on Signal Processing, 2012 - ieeexplore.ieee.org
In this paper, we propose a trellis-search based soft-input soft-output detection algorithm
and its very large scale integration (VLSI) architecture for iterative multiple-input multiple …

Design and implementation of power-efficient K-best MIMO detector for configurable antennas

MT Shiue, SS Long, CK Jao… - IEEE Transactions on Very …, 2013 - ieeexplore.ieee.org
In this brief, a power-efficient multiple-input multiple-output (MIMO) detector that can flexibly
support multiple antenna configurations and modulations is presented. This detector uses a …

High-throughput soft-output MIMO detector based on path-preserving trellis-search algorithm

Y Sun, JR Cavallaro - IEEE Transactions on Very Large Scale …, 2011 - ieeexplore.ieee.org
In this paper, we propose a novel path-preserving trellis-search (PPTS) algorithm and its
high-speed VLSI architecture for soft-output multiple-input-multiple-output (MIMO) detection …