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US 11,122,514 B2Granted
Transmit power determining method, processing chip, and communications device
AssigneeHuawei Technologies Co., Ltd.
InventorsXi Zhang, Peng Guan, Xiaoyong Tang
Life of this patent
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Abstract
A communication method is provided, including: determining, by a first device, a relative power ratio between a phase tracking reference signal (PTRS) and a data channel; determining, by the first device, a transmit power of the PTRS based on the relative power ratio of the PTRS to the data channel; and sending, by the first device, the PTRS to a second device by using the transmit power of the PTRS.
Claims24
A method of wireless communication comprising:
- determining, by a network device, a power ratio between a phase tracking reference signal (PTRS) and a data channel according to a mapping relationship between a quantity of transport layers and the power ratio;
- determining, by the network device, a transmit power of the PTRS based on the power ratio;
- and
- sending, by the network device, the PTRS to a terminal device by using the transmit power of the PTRS, wherein the transmit power of the PTRS is determined according to the mapping relationship as follows:
- the power ratio of the PTRS to the data channel is 3 dB upon the quantity of transport layers being 2;
- the power ratio of the PTRS to the data channel is 4.77 dB upon the quantity of transport layers being 3;
- the power ratio of the PTRS to the data channel is 6 dB upon the quantity of transport layers being 4;
- the power ratio of the PTRS to the data channel is 7 dB upon the quantity of transport layers being 5;
- and
- the power ratio of the PTRS to the data channel is 7.78 dB upon the quantity of transport layers being 6,
- wherein a quantity of one or more PTRS ports for the PTRS is less than the quantity of transport layers.
8 more elements
A communications device comprising:
- a processor, configured to:
- determine a power ratio between a phase tracking reference signal (PTRS) and a data channel according to a mapping relationship between a quantity of transport layers and the power ratio;
- and
- determine a transmit power of the PTRS based on the power ratio;
- and
- a transmitter, configured cooperate with the processor to send the PTRS to another communications device by using the transmit power of the PTRS, wherein the transmit power of the PTRS is determined according to the mapping relationship as follows:
- the power ratio of the PTRS to the data channel is 3 dB upon the quantity of transport layers being 2;
- the power ratio of the PTRS to the data channel is 4.77 dB upon the quantity of transport layers being 3;
- the power ratio of the PTRS to the data channel is 6 dB upon the quantity of transport layers being 4;
- the power ratio of the PTRS to the data channel is 7 dB upon the quantity of transport layers being 5;
- and
- the power ratio of the PTRS to the data channel is 7.78 dB upon the quantity of transport layers when 6,
- wherein a quantity of one or more PTRS ports for the PTRS is less than the quantity of transport layers.
10 more elements
A method of wireless communication comprising:
- determining, by a terminal device, a power ratio between a phase tracking reference signal (PTRS) and a data channel according to a mapping relationship between a quantity of transport layers and the power ratio;
- determining, by the terminal device, a transmit power of the PTRS based on the power ratio;
- and
- sending, by the terminal device, the PTRS to a network device by using the transmit power of the PTRS, wherein the transmit power of the PTRS is determined according to the mapping relationship as follows:
- the power ratio of the PTRS to the data channel is 3 dB upon the quantity of transport layers being 2;
- the power ratio of the PTRS to the data channel is 4.77 dB upon the quantity of transport layers being 3;
- and
- the power ratio of the PTRS to the data channel is 6 dB upon the quantity of transport layers being 4,
- wherein a quantity of one or more PTRS ports for the PTRS is less than the quantity of transport layers.
6 more elements
A communications device comprising:
- a processor configured to:
- determine a power ratio between a phase tracking reference signal (PTRS) and a data channel according to a mapping relationship between a quantity of transport layers and the power ratio;
- and
- determine a transmit power of the PTRS based on the power ratio;
- and
- a transmitter configured to cooperate with the processor to send the PTRS to another communications device by using the transmit power of the PTRS, wherein the transmit power of the PTRS is determined according to the mapping relationship as follows:
- the power ratio of the PTRS to the data channel is 3 dB upon the quantity of transport layers being 2;
- the power ratio of the PTRS to the data channel is 4.77 dB upon the quantity of transport layers being 3;
- and
- the power ratio of the PTRS to the data channel is 6 dB upon the quantity of transport layers being 4,
- wherein a quantity of one or more PTRS ports for the PTRS is less than the quantity of transport layers.
8 more elements
Dependencies are inferred from the claim text.