What is the Significance of 2 bit Downlink Assignment Index used in all DCI formats(TDD).
See section 7.3 of 36.213. Tables 7.3-X identifies the number of TDD subframes with PDSCH transmissions.
informing the terminal about the number of downlink trans-missions for which a single hybrid-ARQ acknowledgement should be generated according to TDD rule
thanks for the reply.
What information will be known by DAI in UL and DL?
Could someone elaborate a bit the differnce of DAI in DCI0 and DCI 1\1A\2\2A?
The DL assignment carries a Downlink Assignment Index (DAI) indicating how many assignments the UE should have received so far within the current bundling window.
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why eNodeB should downlink assignment index in DCI 0 ?