Computer Networking › Section G · Wireless and mobile networks › Topic G.3
Bluetooth and personal area networks
Earbuds, watches, keyboards and door sensors need links that are short, cheap and frugal with battery rather than fast. Bluetooth and a family of low-power radios fill that niche, using many of the link-layer ideas met earlier in this course.
In this topic
- Networks the size of a person
- Classic Bluetooth: hopping to dodge interference
- The piconet: one device sets the rhythm
- Discovering and joining
- Worked example: sharing slots by polling
- Bluetooth Low Energy
- Worked example: a sensor on a coin cell
- Bluetooth today
- Other low-power networks
- Common mistakes to avoid
- Key takeaways
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