Advanced meter infrastructures (AMIs) are systems that measure, collect, and analyze utilities distribution and consumption, and communicate with metering devices either on a schedule or on request. AMIs are becoming a vital part of utilities distribution network and allow the development of Smart Cities. In this article we propose an integrated Internet of Things architecture for smart meter networks to be deployed in smart cities. We discuss the communication protocol, the data format, the data gathering procedure, and the decision system based on big data treatment. The architecture includes electricity, water, and gas smart meters. Real measurements show the benefits of the proposed IoT architecture for both the customers and the utilities. The integration of intelligent measuring devices in a city using the Internet of Things (IoT) allows the collection of all the data necessary to become a smart city. They are a fundamental part of keeping the city connected and informed, and ensure that each subsystem performs its function. The integration of information technology helps to control the subsystems that form the smart city. The installation of cutting-edge technologies regarding measurement, communications and systems, network automation, and distributed generation, among others, facilitates the development of the city. The goal is to achieve better management of the electric energy, water, and gas providing networks, and an efficient balance between demand and consumption. A key technological element in this context is the smart meter, which can be a thing inside the IoT. A smart metering system allows the water, electric, and gas utilities continuous consumption reading and recording in time intervals, or at least daily reporting, monitoring, and billing. Smart meters enable two-way real-time communication between the meter and the utility central system. This allows the utility to gather interval data, time-based demand data, outage management, service interruption, service restoration, quality of service monitoring, distribution network analysis, distribution planning, peak demand, demand reduction, customer billing, and work management. In recent years, advances in the information and communication tech-
In REF , Lloret et al. proposed an integrated IoT architecture for smart meter networks that include electricity, water and gas smart meters.
An Integrated IoT Architecture for Smart Metering
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