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

By Robin Heydon

ISBN-10: 013288836X

ISBN-13: 9780132888363

The First whole advisor to Bluetooth Low power: the way it Works, What it could 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 lengthening every thing from own sector community units to next-generation sensors. Now, one of many standard’s best builders has written the 1st entire, obtainable creation to BLE for each method developer, fashion designer, and engineer.

 

Robin Heydon, a member of the Bluetooth SIG corridor of status, has introduced jointly crucial details formerly scattered via a number of criteria records, sharing the context and specialist insights had to enforce high-performance operating platforms. He first experiences BLE’s layout objectives, explaining how they drove key architectural judgements, and introduces BLE’s cutting edge utilization types. subsequent, he completely covers how the 2 major components of BLE, the controller and host, interact, after which addresses key matters from protection and profiles via trying out and qualification. this information has enabled the construction of Bluetooth clever and Bluetooth shrewdpermanent prepared units.

 

This advisor is an imperative better half to the professional BLE criteria files and is for each technical specialist and decision-maker contemplating BLE, making plans BLE items, or remodeling plans into operating systems.

 

Topics Include

  • BLE gadget kinds, layout pursuits, terminology, and middle thoughts
  • Architecture: controller, host, purposes, and stack splits
  • Usage versions: presence detection, information broadcasting, connectionless versions, and gateways
  • Physical Layer: modulation, frequency band, radio channels, energy, tolerance, and diversity
  • Direct attempt Mode: transceiver trying out, interfaces, and HCI
  • Link Layer: country laptop, 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, methods, defense modes, info ads, and prone
  • Applications, units, providers, profiles, and peripherals
  • Testing/qualification: beginning initiatives, deciding upon positive factors, making plans, checking out, compliance, and more

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

Sample text

This then allows the implementation to be changed at will, as long as the formal contract is not broken and is unchanged.

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. When the low energy work started, the goal was to create the lowest-power short-range wireless technology possible.

There can be many clients. Some sites on the Internet will have millions of requests made each day from millions of clients. The server doesn’t really care what or where these clients are; it just responds to each request as it comes in. This server architecture can also be scaled. A single machine responding to millions of requests a day might become overloaded and start to fail. The solution is to place many identical servers, all having access to the same information. This is further assisted when clients are given multiple IP addresses for a single name so that the load is spread evenly among each server.

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


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