| 摘要 |
Methods, systems, and devices are described for hierarchical communication of a set of source data over a communication link. Sets of representation data may be generated by applying precoding schemes to a set of source data. The sets of representation data may be associated with coding and modulation schemes of varying order. Based on certain link conditions, the sets of representation data may be adaptively coded and modulated, using their associated coding and modulation schemes, for transmission over a communication link.
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