332 ITU‐T's Technical Reports and Specifications HSDPA High Speed Data Packet Access HSPA High Speed Packed Access HVAC Heating, Ventilation, & Air Conditioning IaaS Infrastructure As A Service IBMS Intelligent Building Management Systems, ICT Information and Communication Technologies IEEE 1901 It is a standard from IEEE IME Interface Management Entity IMT International Mobile Telecommunications IO Infrastructure Operator IP Internet Protocol IPS Intrusion Prevention System IPTV Internet Protocol based Television IR Infrared ITS Intelligent Transport System ITU International Telecommunication Union LAN Local Area Network LDR Low Data Rate LEDs Light Emitter Diodes LMU Location Measure Units LTE Long Term Evolution M2M Machine to machine MAC Medium Attachment Control MAN Metropolitan Area Network MANET Mobile Ad‐hoc Network MDR Medium Data Rate MELT Metallic Loop Test MEMS Micro‐Electromagnetic devices MPLS Multiprotocol Label Switching MPLS‐TP Multi‐Protocol Label Switching – Transport Profile MSAN Multi‐service access code MV/LV substations Medium Voltage Low Voltage NEM Network Management Entity NO Network Operator