5G NR Positioning with OpenAirInterface: Tools and Methodologies
Rakesh Mundlamuri, Rajeev Gangula, Florian Kaltenberger, Raymond Knopp
TL;DR
This paper presents tools and methodologies for 5G NR positioning experiments using OpenAirInterface, including an RTT estimation test-bed, to validate 3GPP positioning techniques before deployment.
Contribution
It introduces practical tools and detailed implementation methods for conducting 5G positioning experiments with OpenAirInterface, focusing on RTT measurement.
Findings
Developed an RTT estimation test-bed based on OAI
Demonstrated real-world 5G positioning experiments
Validated 3GPP positioning techniques experimentally
Abstract
The fifth-generation new radio (5G NR) technology is expected to provide precise and reliable positioning capabilities along with high data rates. The Third Generation Partnership Project (3GPP) has started introducing positioning techniques from Release-16 based on time, angle, and signal strength using reference signals. However, validating these techniques with experimental prototypes is crucial before successful real-world deployment. This work provides useful tools and implementation details that are required in performing 5G positioning experiments with OpenAirInterface (OAI). As an example use case, we present an round trip time (RTT) estimation test-bed based on OAI and discusses the real-word experiment and measurement process.
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Taxonomy
TopicsSatellite Communication Systems · Wireless Communication Networks Research · Telecommunications and Broadcasting Technologies