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Piconet
What is a Piconet?
A Piconet is a small, ad hoc Bluetooth network consisting of two or more devices that operate on the same channel and use the same frequency hopping sequence. It’s essentially a mini network where devices communicate directly with each other within a limited range.
A small Bluetooth network created on an ad hoc basis that includes two or more devices.
SOURCE: SP 800-121
- Ad hoc network: formed spontaneously, without needing a central infrastructure.
- Bluetooth technology: They utilize Bluetooth protocols for communication.
- One master, seven slaves: includes one master device and up to seven active slave devices.
- Shared channel: All devices operate on the same physical channel.
- Frequency hopping: They employ frequency hopping to minimize interference and improve security.
- Time-division duplexing: Communication within a piconet uses time-division duplexing (TDD), where the master and slaves communicate in alternating time slots.
Examples: A cell phone connecting to a headset, or a laptop connecting to a digital camera are examples of piconets.
- Overlapping piconets form scatternets: When multiple piconets overlap, they form a scatternet, allowing communication between more than eight devices