US 12,407,469 B2
Phase tracking reference signal sending method and receiving method and communication apparatus
Fengwei Liu, Chengdu (CN); and Minghui Xu, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Feb. 16, 2023, as Appl. No. 18/170,041.
Application 18/170,041 is a continuation of application No. PCT/CN2020/109647, filed on Aug. 17, 2020.
Prior Publication US 2023/0198715 A1, Jun. 22, 2023
Int. Cl. H04L 5/00 (2006.01)
CPC H04L 5/0051 (2013.01) 20 Claims
OG exemplary drawing
 
1. A communication apparatus, comprising a transceiver and a processor, wherein
the processor is configured to generate first information, wherein the first information indicates a number of first PTRS ports, and the number of first PTRS ports is a number of ports recommended by the communication apparatus; and
the transceiver is configured to send the first information to a network device, receive first indication information from the network device, and send a DFT-s-OFDM symbol to which a PTRS is mapped to the network device, wherein the first indication information is used for determining mapping information of the PTRS on the DFT-s-OFDM symbol, and the mapping information comprises at least one of a number of second PTRS ports scheduled by the network device, a mapping layer of each PTRS port, a number of PTRSs in a PTRS group at a mapping layer, or a number of samples per PTRS group; and a number of PTRS mapping layers is less than or equal to a number of DFT-s-OFDM scheduling layers, the number of PTRS mapping layers is greater than or equal to 1, the number of DFT-s-OFDM scheduling layers is greater than 1, and data is mapped to a location corresponding to a PTRS at a layer to which the PTRS is not mapped at the DFT-s-OFDM scheduling layers.