Book Image

Building Bluetooth Low Energy Systems

By : Muhammad Usama bin Aftab
Book Image

Building Bluetooth Low Energy Systems

By: Muhammad Usama bin Aftab

Overview of this book

Bluetooth Low Energy (BLE) is a Wireless Personal Area network technology aimed at novel applications for smart devices. High-tech BLE profiles and services are being increasingly used by application developers and hardware enthusiasts to allow devices to interact with the surrounding world. This book will focus on a technical introduction to BLE and how it is reshaping small-distance communication. We will start with IoT, where many technologies such as BLE, Zigbee, and IEEE 802.15.4 Mesh will be introduced. The book will present BLE from an engineering perspective, from which the protocol stack, architecture, and layers are discussed. You will learn to implement customized projects for Peripheral/Central communication, BLE Beacons, indoor navigation using triangulation, and the Internet gateway for Bluetooth Low Energy Personal Network, all using various code samples and APIs on Android, iOS, and the Web. Finally, the book will conclude with a glimpse into future technologies destined to be prominent in years to come.
Table of Contents (14 chapters)
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Introducing indoor navigation


In 2005, Google launched a satellite-imagery-based system for outdoor navigation, and in the next 11 years, Google Maps evolved to include real-time traffic conditions, panoramic street views, and route planning. For the first time, people were introduced to a new system of navigation where they were not dependent on physical maps or transit booklets. They could confidently go to a new city and navigate like a local.Here is a Google Maps car that collects street view data:

The practicality of Google's idea fits well with the concept of the Internet of Things. In the IoT's context, either a user needs to know the location of the IoT devices or vice versa. To understand this, consider the example of Levi's Stadium in Santa Clara, United States. It is a football stadium in the San Francisco Bay Area and has served as the home of the San Francisco 49ers in the NFL since 2014. When they were building the stadium, they needed to install an indoor navigation system...