CPC H04W 52/367 (2013.01) [H04L 5/0051 (2013.01); H04W 52/14 (2013.01); H04W 52/325 (2013.01); H04W 52/42 (2013.01); H04W 72/044 (2013.01); H04W 72/1263 (2013.01)] | 25 Claims |
1. A data transmission method applied to a first device, comprising:
sending a first signal and a demodulation reference signal (DMRS) corresponding to the first signal to a second device;
wherein the first signal includes at least one data stream, and each data stream corresponds to one DMRS port, one DMRS port corresponds to one or more of the following in different subbands: different power amplifiers (PAs), different sounding reference signal (SRS) ports, or different first signal ports;
wherein the first signal comprises at least one of: PUSCH, PUCCH, PDSCH, PDCCH.
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