Bluetooth piconet

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This post covers WIRELESS COMMUNICATIONS AND NETWORKS by William Stallings.

Basic Ideas

  • Radio Specification

  • Bluetooth makes use of the 2.4-GHz band. In most countries, the bandwidth is sufficient to define 79 1-MHz physical channels. Power control is used to keep the devices from emitting any more RF power than necessary.

  • The power control algorithm is implemented using the link management protocol between a master and the slaves in a piconet.

  • Modulation for Bluetooth is Gaussian FSK, with a binary one represented by a positive frequency deviation and a binary zero represented by a negative frequency deviation from the center frequency. The minimum deviation is 115 kHz.

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