According to my understanding, it has been implemented in CC2420 hardware, even though you could disable it and write the ACK mechanism in your own module (or existing MAC code).

Hongwei


Martin Gercke wrote:
Hi,

small question about Acknoledgments.
>From the IEEE 802.15.4 specification I understand the use and framing of ACKs but I wonder what layer should be responsible for this?
MAC?
Or is this up to the implementation and should just be _above_ MAC?

Martin

P.S.: concerning such protocol related questions concerning zigbee or 802.15.4 is there any better place to ask such questions?
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