Abstract
Location awareness is essential for enabling contextual services and for improving network management in 5th generation (5G) and beyond 5G (B5G) networks. This article provides an overview of the expanding opportunities offered by location awareness in wireless networks, discusses soft information (Sll-based approaches for improved location awareness, and presents case studies in conformance with the 3rd Generation Partnership Project (3GPP) standardization by the European Telecommunications Standards Institute (ETSI). Results show that SI-based approaches can provide a new level of location awareness in 5G and B5G networks.
Highlights
Location awareness is vital for 5th generation (5G) and beyond 5G (B5G) networks [1], [2]
This paper introduces soft information (SI)-based approaches for location awareness in B5G networks and demonstrates that SI is more capable than single-value estimates (SVEs) for providing accurate location awareness
The SI can be determined from a joint distribution function of positional features, measurements, and contextual data. This joint distribution is obtained from a generative model tailored to wireless environments, including those described by technical specifications for 5G networks
Summary
Location awareness is vital for 5th generation (5G) and beyond 5G (B5G) networks [1], [2]. Notice that most of the foreseen services require high accuracy (horizontal and vertical precision below a meter over 99% of instantiations) and, some of them, low latency (location updates every few tens of milliseconds) even in complex wireless environments. These requirements can be fulfilled by exploiting multimodal network capabilities, where both radio access technology (RAT)-dependent and RAT-independent measurements are jointly used for inferring UE positional states.
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