Determining the position of ourselves or our assets has always been important to humans.
Technology has helped us, from sextants to outdoor global positioning systems, but real …

When fully implemented, sixth generation (6G) wireless systems will constitute intelligent
wireless networks that enable not only ubiquitous communication but also high-accuracy …

Massive antenna arrays can be used to meet the requirements of 5G, by exploiting different
spatial signatures of users. This same property can also be harnessed to determine the …

Machine learning (ML) which is a subset of artificial intelligence is expected to unlock the
potential of challenging large-scale problems in conventional massive multiple-input …

Prior to the 21st century, positioning technologies had limited applications including air
traffic control, air and sea navigation, satellite communications and related military uses …

Radio-based locating systems allow for a robust and continuous tracking in industrial
environments and are a key enabler for the digitalization of processes in many areas such …

Deep learning models often have complicated struc-tures with low computational speed and
the requirement of a large amount of storage space, which limits their own practical …

Fingerprint-based localization methods provide high accuracy location estimation, which
use machine learning algorithms to recognize the statistical patterns of collected data. In …

Gains in area spectral efficiency have been recently demonstrated in networks of large-
antenna arrays by means of fog massive MIMO operation and virtual sector-based …

Currently, in many data landscapes, the information is distributed across various sources
and presented in diverse formats. This fragmentation can pose a significant challenge to the …