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RTOS/CC2640R2F: AOA and TOF for Beacons

deep sri
Prodigy 10 points
Part Number: CC2640R2F

Tool/software: TI-RTOS

Hello,

We are intrested to test AOA and TOF Features in BLE 5.1 specifications with our beacons. However i am not able to find more Information on connectionless CTE. 

Does TI Support the following Features listed below:

1) AoA Sender software Project works for beacons to send out AOA packets? if so is there any example or explanantion for this feature

2) is it possible to send the ususal sensor data and  CTE packets together in a beacon ?

2) How to determine time of flight with beacons as transmitter ?

  • 0
    TI__Guru* 81531 points
    Hi Deep,

    First of all, please remember that Bluetooth 5.1 only contains commands for AoA, not ToF. (This is a proprietary technology.)

    For your questions, we will get back to you on Monday.
  • 0 in reply to Marie H
    TI__Mastermind 39800 points

    Hi Deep Sri,

    Currently we are primarily focused on connection based CTE/AOA. As of 2.40 SDK for CC2640R2F, we only support connection based CTE. This is done for a number of reasons such as frequency diversity, security, etc.

    That said, something should be clear. We are only suggesting that people evaluate AoA on CC2640R2F with the intent to move to CC26x2 when it supports BLE5.1 which is where AoA will be fully supported, including Connection based CTE and connectionless.

    If you wish to evaluate connectionless CTE, then you have to continue to use SDK 2.30. However, it's not CTE based. The tone is in the middle of the advertising packets.

    To your other questions, yes it will be possible to send sensor data in an advertising packet with CTE when the official 5.1 spec is supported. You would format your advertising PDU with whatever data you want and CTE will always be on the end of the packet.

    Time of Flight requires a connection at this point. We do not support connectionless ToF.