Internet-of-Things (IoT) Systems

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Internet-of-Things (IoT) Systems 

Internet-of-Things (IoT) Systems 

Introduction:

    The Internet of Things (IoT) has become a common news item and marketing trend. Beyond the hype, IoT has emerged as an important technology with applications in many fields. IoT has roots in several earlier technologies: pervasive information systems, sensor networks, and embedded computing. The term IoT system more accurately describes the use of this technology than does Internet of Things. Most IoT devices are connected together to form purpose-specific systems; they are less frequently used as general-access devices on a worldwide network.

    IoT moves beyond pervasive computing and information systems, which concentrated on data. Smart refrigerators are one example of pervasive computing devices. Several products included built-in PCs and allowed users to enter information about the contents of their refrigerator for menu planning. Conceptual devices would automatically scan the refrigerator contents to take care of data entry. The use cases envisioned for these refrigerators are not so far removed from menu planning applications for stand-alone personal computers

Embedded System Design

IoT systems applications:

• Industrial systems use sensors to monitor both the industrial processes themselves the quality of the product – and the state of the equipment. An increasing number of electric motors, for example, include sensors that collect data used to predict impending motor failures.

• Smart buildings use sensors to identify the locations of people as well as the state of the building. That data can be used to control heating/ventilation/air conditioning systems and lighting systems to reduce operating costs. Smart buildings and structures also use sensors to monitor structural health.

• Smart cities use sensors to monitor pedestrian and vehicular traffic and may integrate data from smart buildings.

• Vehicles use networked sensors to monitor the state of the vehicle and provide improved dynamics, reduced fuel consumption, and lower emissions.

• Medical systems connect a wide range of patient monitoring sensors that may be located at the home, in emergency vehicles, the doctor’s office, or the hospital. Use cases help us understand the requirements on an IoT system.

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Table Of Contents

1 .The IoT Landscape

• 1.1 What Is IoT? 
• 1.2 Applications 
• 1.3 Architectures 
• 1.4 Wireless Networks 
• 1.6 Security and Privacy 
• 1.7 Event-Driven Systems

2. IoT System Architectures 

• 2.1 Introduction 
• 2.2 Protocols Concepts 
• 2.3 IoT-Oriented Protocols 
• 2.4 Databases 
• 2.5 Time Bases 
• 2.6 Security 

3. IoT Devices 

• 3.1 The IoT Device Design Space 
• 3.2 Cost of Ownership and Power Consumption 
• 3.3 Cost per Transistor and Chip Size 
• 3.4 Duty Cycle and Power Consumption 
• 3.5 Platform Design

4. Event-Driven System Analysis 

• 4.1 Introduction 
• 4.2 Previous Work 
• 4.3 Motivating Example
• 4.4 IoT Network Model
• 4.5 IoT Event Analysis

5. Industrial Internet of Things 

• 5.1 Introduction 
• 5.2 Industrie 4.0 
• 5.3 Industrial Internet of Things (IIoT) 
• 5.4 IIoT Architecture 
• 5.5 Basic Technologies 
• 5.6 Applications and Challenges

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