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Why does the Bluetooth version need to be constantly updated?

deryunpony

With the passage of time, Bluetooth technology has been developed for 23 years, and the version has also been upgraded from 1.0 to 5.3. In theory, the more advanced the Bluetooth chip, the higher the cost. Why does the Bluetooth version need to be constantly updated?

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    Bluetooth went through several different iterations - early upgrades (Classic, EDR) focused more on improving data rates, while later upgrades address complexity and low-power requirements (Smart, BLE) while adding special capabilities (e.g. larger packets, AoA, ToA measurements for ranging) and also improving range (Coded PHY) or data rate (2M PHY).

    The technology progresses because there is an application for it - costs actually reduced for BLE versus Classic because of the reduced complexity. The needs of consumers have changed too - expectations on size, battery life has placed pressure on better wireless connectivity.

    - Gough

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    Bluetooth went through several different iterations - early upgrades (Classic, EDR) focused more on improving data rates, while later upgrades address complexity and low-power requirements (Smart, BLE) while adding special capabilities (e.g. larger packets, AoA, ToA measurements for ranging) and also improving range (Coded PHY) or data rate (2M PHY).

    The technology progresses because there is an application for it - costs actually reduced for BLE versus Classic because of the reduced complexity. The needs of consumers have changed too - expectations on size, battery life has placed pressure on better wireless connectivity.

    - Gough

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