US 12,069,592 B2
Data transmission method and device
Qiuping Huang, Beijing (CN); Runhua Chen, Beijing (CN); and Qiubin Gao, Beijing (CN)
Assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 17/602,768
Filed by DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
PCT Filed Apr. 9, 2020, PCT No. PCT/CN2020/083974
§ 371(c)(1), (2) Date Oct. 10, 2021,
PCT Pub. No. WO2020/207438, PCT Pub. Date Oct. 15, 2020.
Claims priority of application No. 201910286796.4 (CN), filed on Apr. 10, 2019.
Prior Publication US 2022/0182950 A1, Jun. 9, 2022
Int. Cl. H04W 52/00 (2009.01); H04L 5/00 (2006.01); H04W 52/14 (2009.01); H04W 52/32 (2009.01); H04W 52/36 (2009.01); H04W 52/42 (2009.01); H04W 72/044 (2023.01); H04W 72/1263 (2023.01)
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
OG exemplary drawing
 
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.