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Connection Establishment in BLE

Mihir Tailor
Prodigy 100 points

Hello,

After sending a Connection Request (CONN_REQ) by the initiator, is there any acknowledgement sent by the advertiser who accept the connection request sent by the initiator??

Suggest me the answer.

Thanks.

  • 0
    Prodigy 100 points
    Thanks Christin.
    I have checked the information that you refer to me in Bluetooth Specification 5.0.
    From that, i found that the packet of CONNECTION RESPONSE is at L2CAP layer.
    But i didn't find any CONNECTION RESPONSE packet at Link Layer.
    How it is possible??
  • 0 in reply to Mihir Tailor
    TI__Guru 56075 points
    Sorry, the answer I provided was not complete.

    Sending connection request on Primary Advertising Channels, then there is no connection response needed.
    Sending connection request on Secondary Adverting Channels, then a AUX_CONNECT_RSP needs to be sent from the slave device.

    The information can be found in Bluetooth Specification Version 5.0 Vol6 Part B section 4.4