Fig. 4
From: Joint channel estimation and feedback with masked token transformers in massive MIMO systems

The structure of a single mask-attention stage in MAT. ‘\({{\varvec{M}}}'\)’ represents the proposed mask attention matrix.
From: Joint channel estimation and feedback with masked token transformers in massive MIMO systems

The structure of a single mask-attention stage in MAT. ‘\({{\varvec{M}}}'\)’ represents the proposed mask attention matrix.