Signal configuration method, device and storage medium

Patent metadata

Field	Value
Publication number	US-10965414-B2
Application number	US-201816475852-A
Country	US
Kind code	B2
Filing date	Jan 5, 2018
Priority date	Jan 5, 2017
Publication date	Mar 30, 2021
Grant date	Mar 30, 2021

Abstract

A signal configuration method, device and storage medium are provided. The method includes: acquiring at least one type of reference information, wherein the reference information is used to characterize a configuration status of a communication network; and configuring time domain and/or frequency domain resources for a phase-tracking reference signal based on the at least one type of reference information, and obtaining configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, wherein the configuration information includes a density or a pattern corresponding to the time domain and/or frequency domain resources.

First claim

What is claimed is:

1. A method for configuring a signal, comprising:
acquiring at least one type of reference information, wherein the reference information is used to characterize a configuration status of a communication network; and
configuring time domain and/or frequency domain resources for a phase-tracking reference signal based on the at least one type of reference information, and obtaining configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, wherein the configuration information comprises a density or a pattern corresponding to the time domain and/or frequency domain resources,
wherein the at least one type of reference information comprises at least one of a phase-noise single-side-band power spectrum density, an amount of time domain and/or frequency domain resource blocks to be scheduled, and a communication waveform;
wherein the configuring the time domain and/or frequency domain resources for the phase-tracking reference signal based on the at least one type of reference information comprises at least one of the following:
configuring the time domain and/or frequency domain resources for the phase-tracking reference signal based on at least the phase-noise single-side-band power spectrum density corresponding to an increasing frequency offset;
configuring the time domain and/or frequency domain resources for the phase-tracking reference signal based on at least the amount of time domain and/or frequency domain resource blocks to be scheduled; and
configuring the time domain and/or frequency domain resources for the phase-tracking reference signal based on at least the communication waveform;

wherein based on at least the phase-noise single-side-band power spectrum density corresponding to an increasing frequency offset, configuring the time domain and/or frequency domain resources for the phase-tracking reference signal, further comprises:
configuring a density of the time domain and/or frequency domain resources for the phase-tracking reference signal to be in a first density threshold range if a decline rate of the phase-noise single-side-band power spectrum density increases with a frequency offset being increased; and
configuring the density of the time domain and/or frequency domain resources for the phase-tracking reference signal to be in a second density threshold range if the decline rate of the phase-noise single-side-band power spectrum density decreases with the frequency offset being increased; wherein values in the first density threshold range are less than values in the second density threshold range;

based on at least the amount of time domain and/or frequency domain resource blocks to be scheduled, configuring the time domain and/or frequency domain resources for the phase-tracking reference signal, further comprises:
configuring an allocable upper limit value and an allocable lower limit value for the time domain and/or frequency domain resources for the phase-tracking reference signal based on the amount of time domain and/or frequency domain resource blocks to be scheduled;

based on at least the communication waveform, configuring the time domain and/or frequency domain resources for the phase-tracking reference signal, further comprises:
configuring the density of the time domain and/or frequency domain resources to be a first density in a case that the communication waveform is a single-carrier waveform; and
configuring the density of the time domain and/or frequency domain resources to be a second density, wherein the first density is less than the second density in a case that the communication waveform is an Orthogonal Frequency Division Multiplexing (OFDM) waveform.

2. The method according to claim 1 , wherein, after the obtaining the configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, the method further comprises:
transmitting the configuration information to a receiving end via at least one of a Downlink Control Information (DCI) and an Uplink (UL) grant; and
transmitting the configuration information to the receiving end via Uplink Control Information (UCI).

3. A device for configuring a signal, comprising:
a processor, and
a storage configured to store a computer program executable by the processor, wherein the processor is configured to execute the computer program to implement steps of the method according to claim 2 .

4. The method according to claim 1 , wherein, after the obtaining the configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, the method further comprises:
transmitting indication information to a receiving end via at least one of a Downlink Control Information (DCI) and an Uplink (UL) grant; wherein the indication information is configured to indicate that a configuration of the time domain and/or frequency domain resources for the phase-tracking reference signal is associated with the at least one type of reference information; or
transmitting the indication information to the receiving end via Uplink Control Information (UCI); wherein the indication information is configured to indicate that a configuration of the time domain and/or frequency domain resources for the phase-tracking reference signal is associated with the at least one type of reference information.

5. A device for configuring a signal, comprising:
a processor, and
a storage configured to store a computer program executable by the processor, wherein the processor is configured to execute the computer program to implement steps of the method according to claim 4 .

6. The method according to claim 1 , wherein, after the obtaining the configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, the method further comprises:
determining whether at least one type of reference signal is configured at a resource location corresponding to the pattern of the time domain and/or frequency domain resources or not, wherein the at least one type of reference signal is a reference signal different from the phase-tracking reference signal;
in a case that the at least one type of reference signal is configured at the resource location corresponding to the pattern of the time domain and/or frequency domain resources, multiplexing the phase-tracking reference signal with the configured at least one type of reference signal.

7. The method according to claim 1 , wherein, after the obtaining the configuration information of the time domain and/or frequency domain resources for the phase-tracking reference signal, the method further comprises:
determining whether at least one type of reference signal is configured at a resource location corresponding to the pattern of the time domain and/or frequency domain resources or not, wherein the at least one type of reference signal is a reference signal different from the phase-tracking reference signal;
in a case that the at least one type of reference signal is configured at the resource location corresponding to the pattern of the time domain and/or frequency domain resources, determining whether the at least one type of reference signal occupies all resource locations corresponding to the pattern of the time domain and/or frequency domain resources of the phase-tracking reference signal or not;
in a case that at least one time domain and/or frequency domain resource location of the all resource locations is unoccupied, configuring the phase-tracking reference signal at the unoccupied at least one time domain and/or frequency domain resource location.

8. A device for configuring a signal, comprising:
a processor, and

Assignees

• China Mobile Communication Ltd Res Inst
• China Mobile Communications Group Co Ltd

Inventors

• Zhong Ke
• Tong Hui

Classifications

• H04W72/21

  in the uplink direction of a wireless link, i.e. towards the network · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04L27/2666

  Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length · CPC title

• H04L5/0048 Primary

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04L25/0224

  using sounding signals · CPC title