\nomenclature{AAL}{Ambient Assisted Living} \nomenclature{CSA}{Connectivity Standards Alliance} \nomenclature{DSGVO}{Datenschutz-Grundverordnung} \nomenclature{GVR}{Grand View Research} \nomenclature{HTTP}{Hypertext Transfer Protocol} \nomenclature{IIoT}{Industrial Internet of Things} \nomenclature{IoT}{Internet of Things} \nomenclature{JSON}{JavaScript Object Notation} \nomenclature{MQTT}{Message Queuing Telemetry Transport} \nomenclature{NFC}{Near Field Communication} \nomenclature{PRISMA}{Preferred Reporting Items for Systematic Reviews and Meta-Analyses} \nomenclature{REST}{Representational State Transfer} \nomenclature{RSA}{Rivest–Shamir–Adleman} \nomenclature{XML}{Extensible Markup Language} \nomenclature{KI}{Künstliche Intelligenz}