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Bluetooth Low Energy: The Developer's Handbookby Robin Heydon
Synopses & Reviews
The First Complete Guide to Bluetooth Low Energy: How It Works, What It Can Do, and How to Apply It
A radical departure from conventional Bluetooth technology, Bluetooth low energy (BLE) enables breakthrough wireless applications in industries ranging from healthcare to transportation. Running on a coin-sized battery, BLE can operate reliably for years, connecting and extending everything from personal area network devices to next-generation sensors. Now, one of the standard’s leading developers has written the first comprehensive, accessible introduction to BLE for every system developer, designer, and engineer.
Robin Heydon, a member of the Bluetooth SIG Hall of Fame, has brought together essential information previously scattered through multiple standards documents, sharing the context and expert insights needed to implement high-performance working systems. He first reviews BLE’s design goals, explaining how they drove key architectural decisions, and introduces BLE’s innovative usage models. Next, he thoroughly covers how the two main parts of BLE, the controller and host, work together, and then addresses key issues from security and profiles through testing and qualification. This knowledge has enabled the creation of Bluetooth Smart and Bluetooth Smart Ready devices.
This guide is an indispensable companion to the official BLE standards documents and is for every technical professional and decision-maker considering BLE, planning BLE products, or transforming plans into working systems.
The book is split into four parts. The first part provides an overview of the technology, the basic concepts that guided the development of Bluetooth low energy, the architecture of the system from the radio through the various protocol layers up to the application layers, and finally the new usage models that this new technology enables. The second part goes into detail on how the radio chip, called a controller, works. This is the silicon chip that a product designer needs to incorporate into their end products. This part covers the radio, direct test mode, and the link layer. It also shows how to interact with the controller from the upper layer stack, called a host. The third part goes into detail of how the host, the software stack, works. It covers the concepts and details behind the main protocol used to expose attributes of a device. It also covers the security models and how to make connections and bond, or associate, two devices with each other. The final part describes how an application can use Bluetooth low energy to interact with peripherals, explains how a peripheral can be designed to make the best use of the low energy technology, and explains how to test and qualify a design so that it can be sold or distributed.
A radical new departure from conventional Bluetooth technology, Bluetooth Low Energy (BLE) will enable a whole new generation of wireless applications in industries ranging from healthcare to transportation. Running on a single coin-sized battery, BLE can run for years, connecting and extending everything from Personal Area Network devices to next-generation sensors. In Bluetooth Low Energy, one of the standard's developers has written the first comprehensive, accessible introduction to BLE for every system developer, designer, and engineer. Robin Heydon, a member of the Bluetooth "Hall of Fame" brings together information currently scattered through multiple standards documents, offering the context and leading-edge implementation insights needed to build high-performance working systems with BLE. Heydon begins by reviewing BLE's design goals, explaining how they drove key architectural decisions, and introducing BLE's innovative usage models. Next, he thoroughly covers the Controller side of the standard, offering detailed information on physical and link layers, direct test mode, and the host controller interface. Finally, he turns to BLE hosts, explaining L2CAP, attributes, BLE security, and the Generic Access Profile. This book will be an indispensable companion to the official BLE standards documents for every technical professional and decision-maker who is considering BLE, planning BLE products, or transforming plans into working systems.
About the Author
Robin Heydon has been involved for ten years in drafting and maintaining Bluetooth standards and evangelizing Bluetooth technology through speaking engagements at conferences, trade shows, and training events worldwide. A leading subject matter expert on Bluetooth Low Energy, he chairs the group that created its specification - a group that has been awarded Working Group of the Year. Heydon also organized the architecture group that oversees the use of Bluetooth Low Energy. He is one of only fifteen individuals worldwide who have been honored with Hall of Fame membership by the Bluetooth SIG.
Table of Contents
Part I. Overview
1. What is Bluetooth Low Energy?
2. Basic Concepts
4. New Usage Models
Part II. Controller
5. Physical Layer
6. Direct Test Mode
7. Link Layer
8. Host Controller Interface
Part III. Host
12. Generic Access Profile
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