Page 550 - Unleashing the potenti al of the Internet of Things

5 Unleashing the potential of the Internet of Things

3.1.4 ubiquitous sensor network (USN) [ITU-T Y.2221]: A conceptual network built over
existing physical networks which makes use of sensed data and provides knowledge services to
anyone, anywhere and at anytime, and where the information is generated by using context
awareness.

3.1.5 USN end-user [ITU-T Y.2221]: An entity that uses the sensed data provided by USN
applications and services. This end-user may be a system or a human.

3.1.6 USN gateway [ITU-T Y.2221]: A node which interconnects sensor networks with other
networks.

3.2 Terms defined in this Recommendation
None.

4 Abbreviations and acronyms

This Recommendation uses the following abbreviations and acronyms:
ABG-FE Access Border Gateway Functional Entity

AN-FE Access Node Functional Entity
ASF&SSF Application Support Functions and Service Support Functions

AS-FE Application Support Functional Entity
CAF Charging and Accounting Functions

EN-FE Edge Node Functional Entity
IP Internet Protocol

MLM-FE Mobile Location Management Functional Entity
MMCF Mobility Management and Control Functions

NACF Network Attachment Control Functions
NAC-FE Network Access Configuration Functional Entity
NGN Next Generation Network

OSE Open Service Environment

QoS Quality of Service
RACF Resource and Admission Control Functions
SAA-FE Service Authentication and Authorization Functional Entity

SC&CDF Service Control and Content Delivery Functions
SCF Service Control Functions

SCP-FE Service and Content Protection Functional Entity
SUP-FE Service User Profile Functional Entity

TAA-FE Transport Authentication and Authorization Functional Entity
TLM-FE Transport Location Management Functional Entity

TRC-FE Transport Resource Control Functional Entity
TUP-FE Transport User Profile Functional Entity

USN Ubiquitous Sensor Network

536 Rec. ITU-T Y.4403/Y.2026 (07/2012)