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

By Robin Heydon

ISBN-10: 013288836X

ISBN-13: 9780132888363

The First entire consultant to Bluetooth Low power: the way it Works, What it could actually Do, and the way to use It


A radical departure from traditional Bluetooth know-how, Bluetooth low strength (BLE) permits step forward instant purposes in industries starting from healthcare to transportation. working on a coin-sized battery, BLE can function reliably for years, connecting and increasing every little thing from own sector community units to next-generation sensors. Now, one of many standard’s major builders has written the 1st entire, available creation to BLE for each procedure developer, fashion designer, 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 records, sharing the context and specialist insights had to enforce high-performance operating structures. He first stories BLE’s layout pursuits, explaining how they drove key architectural judgements, and introduces BLE’s leading edge utilization versions. subsequent, he completely covers how the 2 major elements of BLE, the controller and host, interact, after which addresses key matters from safety and profiles via checking out and qualification. this data has enabled the production of Bluetooth clever and Bluetooth shrewdpermanent prepared units.


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


Topics Include

  • BLE machine varieties, layout objectives, terminology, and center strategies
  • Architecture: controller, host, functions, and stack splits
  • Usage versions: presence detection, info broadcasting, connectionless types, and gateways
  • Physical Layer: modulation, frequency band, radio channels, energy, tolerance, and diversity
  • Direct try out Mode: transceiver checking 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, providers, features, and protocols
  • Security: pairing, bonding, and information signing
  • Generic entry Profiles: roles, modes, methods, safeguard modes, information ads, and providers
  • Applications, units, prone, profiles, and peripherals
  • Testing/qualification: beginning initiatives, settling on beneficial properties, making plans, checking out, compliance, and more

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

Sample text

Each layer in a system is abstracted away from the layers above and below it. 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. A piconet has a single master device that coordinates the activity of all the other devices (slaves) in the piconet and one or more slaves. Radio Band Radio waves are defined by their frequency or wavelength. Different radio waves are then allocated different rules and uses. When a range of radio frequencies are grouped together using the same rules, this group of frequencies is called a Radio Band. Slave A simple device that works with a master.

Therefore, using several short packets with a sufficient space between them to allow the battery time to recover is better for the battery than using one longer packet. 3. Memory Is Expensive Everybody knows that the more memory a computer has, the more expensive it is. However, every little bit of memory in a computer not only costs money but also costs energy. Memory typically requires dynamic refreshing—every so often the memory in the chip is refreshed. This dynamic refreshing requires energy.

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

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