Download Bluetooth Low Energy: The Developer's Handbook by Robin Heydon PDF

By Robin Heydon

ISBN-10: 013288836X

ISBN-13: 9780132888363

The First entire consultant to Bluetooth Low strength: the way it Works, What it will probably Do, and the way to use It

 

A radical departure from traditional Bluetooth know-how, Bluetooth low strength (BLE) permits step forward instant functions in industries starting from healthcare to transportation. operating on a coin-sized battery, BLE can function reliably for years, connecting and increasing every little thing from own quarter community units to next-generation sensors. Now, one of many standard’s major builders has written the 1st accomplished, obtainable advent to BLE for each approach developer, clothier, and engineer.

 

Robin Heydon, a member of the Bluetooth SIG corridor of repute, has introduced jointly crucial details formerly scattered via a number of criteria files, sharing the context and professional insights had to enforce high-performance operating structures. He first stories BLE’s layout objectives, explaining how they drove key architectural judgements, and introduces BLE’s cutting edge utilization versions. subsequent, he completely covers how the 2 major elements of BLE, the controller and host, interact, after which addresses key concerns from protection and profiles via checking out and qualification. this data has enabled the construction of Bluetooth clever and Bluetooth clever prepared units.

 

This consultant is an essential significant other to the legit BLE criteria files and is for each technical specialist and decision-maker contemplating BLE, making plans BLE items, or reworking plans into operating systems.

 

Topics Include

  • BLE equipment varieties, layout targets, terminology, and center techniques
  • Architecture: controller, host, functions, and stack splits
  • Usage versions: presence detection, facts broadcasting, connectionless versions, and gateways
  • Physical Layer: modulation, frequency band, radio channels, strength, tolerance, and variety
  • Direct try out Mode: transceiver checking out, interfaces, and HCI
  • Link Layer: country computing device, packets, channels, broadcasting, encryption, and optimization
  • HCI: physical/logical interfaces, controller setup, and connection administration
  • L2CAP: channels and packet constitution, and LE signaling channels
  • Attributes: grouping, prone, features, and protocols
  • Security: pairing, bonding, and information signing
  • Generic entry Profiles: roles, modes, tactics, defense modes, facts advertisements, and providers
  • Applications, units, prone, profiles, and peripherals
  • Testing/qualification: beginning initiatives, picking out gains, making plans, trying out, compliance, and more

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Extra resources for Bluetooth Low Energy: The Developer's Handbook

Example text

With Bluetooth low energy, this is very simple. It was designed for ultra-low power consumption. The unique structure of the Bluetooth SIG is that the organization creates and controls everything from the Physical Layer up to the application. The SIG does this in a cooperative and open but commercially driven standards model, and over more than ten years, it has optimized the process of creating wireless specifications that not only work at the point of release but are also interoperable, robust, and of extremely high quality.

Finally, simpler systems are easier to maintain. 7. Client-Server Architecture The client-server architecture has one additional basic design element that is fundamental to the design of Bluetooth low energy. When low energy was being designed, the problem of connecting devices to the Internet was considered. It could have been possible to put an Internet Protocol (IP) stack on every single resource-constrained device and just expose all the devices over the Internet. Unfortunately, even the simplest of IP stacks takes more memory and energy than is desirable on the simplest of devices.

The Link Layer doesn’t need to know all the details of how the radio functions; the Logical Link Control Layer and Adaptation Layer don’t need to know all the details of how the Link Layer works. This abstraction is important to keep the complexity of the system at manageable levels. Master A complex device that coordinates the activity of other devices within a piconet. Piconet This is a contraction of the words pico and network. Pico is the SI5 prefix for 10–12. 6 Therefore, a piconet is a very small network.

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