Legal claims defining the scope of protection, as filed with the USPTO.
1. A method performed by a communication device operating in a wireless communication system, the method comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink data transmission such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol: the PNRS is mapped to a plurality of OFDM symbols that occur after the OFDM symbol to which the DMRS is mapped, wherein the plurality of OFDM symbols are spaced apart from each other by one or more OFDM symbol durations; and transmitting, to a user equipment, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, and (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol.
2. The method of claim 1, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
3. The method of claim 1, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
4. The method of claim 1, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
5. The method of claim 1, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
6. The method of claim 1, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
7. The method of claim 1, wherein the plurality of subcarriers to which the DMRS is mapped extend across a plurality of groups of subcarriers, with each group consisting of 12 subcarriers that are consecutive in frequency, and wherein the at least one subcarrier to which the PNRS is mapped comprises multiple subcarriers with a single subcarrier in each group of 12 subcarriers.
8. A communication device configured to operate in a wireless communication system, the communication device comprising: at least one radio frequency (RF) module; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink data transmission such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol: the PNRS is mapped to a plurality of OFDM symbols that occur after the OFDM symbol to which the DMRS is mapped, wherein the plurality of OFDM symbols are spaced apart from each other by one or more OFDM symbol durations; and transmitting, to a user equipment through the at least one RF module, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, and (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol.
9. The communication device of claim 8, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
10. The communication device of claim 8, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
11. The communication device of claim 8, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
12. The communication device of claim 8, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
13. The communication device of claim 8, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
14. The communication device of claim 8, wherein the plurality of subcarriers to which the DMRS is mapped extend across a plurality of groups of subcarriers, with each group consisting of 12 subcarriers that are consecutive in frequency, and wherein the at least one subcarrier to which the PNRS is mapped comprises multiple subcarriers with a single subcarrier in each group of 12 subcarriers.
15. An apparatus configured to control a communication device to operate in a wireless communication system, the apparatus comprising: at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink data transmission such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol: the PNRS is mapped to a plurality of OFDM symbols that occur after the OFDM symbol to which the DMRS is mapped, wherein the plurality of OFDM symbols are spaced apart from each other by one or more OFDM symbol durations; and transmitting, to a user equipment, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, and (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol.
16. The apparatus of claim 15, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
17. The apparatus of claim 15, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
18. The apparatus of claim 15, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
19. The apparatus of claim 15, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
20. The apparatus of claim 15, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
21. A method performed by a communication device operating in a wireless communication system, the method comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink transmission of data, such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) for the at least one subcarrier to which both the PNRS and the DMRS are mapped, and based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol within a time slot of 14 OFDM symbols: the PNRS is mapped to a plurality of OFDM symbols within the time slot spaced apart from each other by one or more OFDM symbol durations to which the data is mapped, and the PNRS is not mapped to any OFDM symbols before the OFDM symbol to which the DMRS is mapped in the time slot, wherein the DMRS is for demodulation of the data that is mapped to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped on the at least one subcarrier; and transmitting, to a user equipment, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol, and (iii) the data mapped to the at least one subcarrier and to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped.
22. The method of claim 21, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
23. The method of claim 21, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
24. The method of claim 21, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
25. The method of claim 21, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
26. The method of claim 21, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
27. The method of claim 21, wherein the plurality of subcarriers to which the DMRS is mapped extend across a plurality of groups of subcarriers, with each group consisting of 12 subcarriers that are consecutive in frequency, and wherein the at least one subcarrier to which the PNRS is mapped comprises multiple subcarriers with a single subcarrier in each group of 12 subcarriers.
28. A communication device configured to operate in a wireless communication system, the communication device comprising: at least one radio frequency (RF) module; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink transmission of data, such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) for the at least one subcarrier to which both the PNRS and the DMRS are mapped, and based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol within a time slot of 14 OFDM symbols: the PNRS is mapped to a plurality of OFDM symbols within the time slot spaced apart from each other by one or more OFDM symbol durations to which the data is mapped, and the PNRS is not mapped to any OFDM symbols before the OFDM symbol to which the DMRS is mapped in the time slot, wherein the DMRS is for demodulation of the data that is mapped to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped on the at least one subcarrier; and transmitting, to a user equipment through the at least one RF module, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol, and (iii) the data mapped to the at least one subcarrier and to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped.
29. The communication device of claim 28, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
30. The communication device of claim 28, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
31. The communication device of claim 28, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
32. The communication device of claim 28, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
33. The communication device of claim 28, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
34. The communication device of claim 28, wherein the plurality of subcarriers to which the DMRS is mapped extend across a plurality of groups of subcarriers, with each group consisting of 12 subcarriers that are consecutive in frequency, and wherein the at least one subcarrier to which the PNRS is mapped comprises multiple subcarriers with a single subcarrier in each group of 12 subcarriers.
35. An apparatus configured to control a communication device to operate in a wireless communication system, the apparatus comprising: at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising: generating a phase noise reference signal (PNRS); generating a demodulation reference signal (DMRS); mapping the PNRS to resources that are utilized for downlink transmission of data, such that: (i) based on the DMRS being mapped in a frequency domain to a plurality of subcarriers: the PNRS is mapped to at least one subcarrier among the plurality of subcarriers to which the DMRS is mapped, and (ii) for the at least one subcarrier to which both the PNRS and the DMRS are mapped, and based on the DMRS being mapped in a time domain to an orthogonal frequency division multiplexing (OFDM) symbol within a time slot of 14 OFDM symbols: the PNRS is mapped to a plurality of OFDM symbols within the time slot spaced apart from each other by one or more OFDM symbol durations to which the data is mapped, and the PNRS is not mapped to any OFDM symbols before the OFDM symbol to which the DMRS is mapped in the time slot, wherein the DMRS is for demodulation of the data that is mapped to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped on the at least one subcarrier; and transmitting, to a user equipment, (i) the PNRS mapped to the at least one subcarrier and to the plurality of OFDM symbols, (ii) the DMRS mapped to the plurality of subcarriers and to the OFDM symbol, and (iii) the data mapped to the at least one subcarrier and to the one or more OFDM symbols between the plurality of OFDM symbols to which the PNRS is mapped.
36. The apparatus of claim 35, wherein the at least one subcarrier to which the PNRS is mapped depends on an antenna port of the DMRS, and wherein the plurality of OFDM symbols to which the PNRS is mapped depends on the antenna port of the DMRS.
37. The apparatus of claim 35, wherein the plurality of OFDM symbols to which the PNRS is mapped are spaced apart from each other by 2 OFDM symbol durations or by 4 OFDM symbol durations.
38. The apparatus of claim 35, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM symbol mapping position of a downlink control channel.
39. The apparatus of claim 35, wherein the plurality of OFDM symbols to which the PNRS is mapped excludes an OFDM mapping position of a channel state information reference signal (CSI-RS).
40. The apparatus of claim 35, wherein the plurality of subcarriers to which the DMRS is mapped are arranged within a group of 12 subcarriers that are consecutive in frequency, and wherein, the at least one subcarrier to which the PNRS is mapped consists of a single subcarrier among the plurality of subcarriers to which the DMRS is mapped within the group of 12 subcarriers.
Unknown
September 30, 2025
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.