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US-12628104-B2 - Time-domain correlation property reporting method and apparatus

US12628104B2US 12628104 B2US12628104 B2US 12628104B2US-12628104-B2

Abstract

This document is directed to methods, systems, and devices related to wireless communication, and more specifically, to provide data transmission service for multiple users with different moving speeds. A method of wireless communication, comprising receiving, by a wireless communication device, a reference signal (RS); receiving, by the wireless communication device, a channel state information (CSI) reporting configuration signaling; determining, by the wireless communication device, according to the RS and the CSI reporting configuration signaling; and transmitting, by the wireless communication device, to a network device, a CSI according to the CSI reporting configuration signaling.

Inventors

  • Guangyu JIANG
  • Bo Gao
  • Meng MEI

Assignees

  • ZTE CORPORATION

Dates

Publication Date
20260512
Application Date
20231229

Claims (16)

  1. 1 . A method of wireless communication, comprising: receiving, by a wireless communication device, a reference signal (RS); receiving a channel state information (CSI) reporting configuration signaling that includes: a parameter PhaseReportConfiguration set to Configured or notConfigured, a parameter N that is indicative of a number of amplitudes of a channel correlation and is an integer greater than or equal to 1, and a parameter M that is indicative of a number of phases of the channel correlation and is equal to the parameter N; determining, according to the RS and the CSI reporting configuration signaling, a CSI; and transmitting, to a network device, the CSI according to the CSI reporting configuration signaling.
  2. 2 . The method of claim 1 , wherein the RS comprises a CSI-RS.
  3. 3 . The method of claim 1 , wherein the wireless communication device determines the CSI according to the CSI reporting configuration signaling, and wherein the CSI comprises a time-domain property.
  4. 4 . The method of claim 3 , wherein: upon the parameter PhaseReportConfiguration being set to notConfigured, the time-domain property comprises one or more amplitudes of the channel correlation, wherein a number of the one or more amplitudes is associated with the parameter N; and upon the parameter PhaseReportConfiguration being set to Configured, the time-domain property comprises the one or more amplitudes and one or more phases of the channel correlation, wherein a number of the one or more amplitudes and a number of the one or more phases is associated with the parameter N or the parameter M, respectively.
  5. 5 . A method of wireless communication, comprising: transmitting, by a network device to a wireless communication device, a reference signal (RS); transmitting a channel state information (CSI) reporting configuration signaling that includes: a parameter PhaseReportConfiguration set to Configured or notConfigured, a parameter N that is indicative of a number of amplitudes of a channel correlation and is an integer greater than or equal to 1, and a parameter M that is indicative of a number of phases of the channel correlation and is equal to the parameter N; and receiving, from the wireless communication device, a CSI determined based on the RS and the CSI reporting configuration signaling.
  6. 6 . An apparatus for wireless communication, implemented at a wireless communication device, the apparatus comprising: at least one processor configured to: receive a reference signal (RS); receive a channel state information (CSI) reporting configuration signaling that includes: a parameter PhaseReportConfiguration set to Configured or notConfigured, a parameter N that is indicative of a number of amplitudes of a channel correlation and is an integer greater than or equal to 1, and a parameter M that is indicative of a number of phases of the channel correlation and is equal to the parameter N; determine, based on the RS and the CSI reporting configuration signaling, a CSI; and transmit, to a network device, the CSI according to the CSI reporting configuration signaling.
  7. 7 . The apparatus of claim 6 , wherein the RS comprises a CSI-RS.
  8. 8 . An apparatus for wireless communication, implemented at a network device, the apparatus comprising: at least one processor configured to cause the apparatus to: transmit, to a wireless communication device, a reference signal (RS); transmit a channel state information (CSI) reporting configuration signaling that includes: a parameter PhaseReportConfiguration set to Configured or notConfigured, a parameter N that is indicative of a number of amplitudes of a channel correlation and is an integer greater than or equal to 1, and a parameter M that is indicative of a number of phases of the channel correlation and is equal to the parameter N; and receive, from the wireless communication device, a CSI determined based on the RS and the CSI reporting configuration signaling.
  9. 9 . The apparatus of claim 6 , wherein the wireless communication device determines the CSI according to the CSI reporting configuration signaling, and wherein the CSI comprises a time-domain property.
  10. 10 . The apparatus of claim 9 , wherein: upon the parameter PhaseReportConfiguration being set to notConfigured, the time-domain property comprises one or more amplitudes of the channel correlation, wherein a number of the one or more amplitudes is associated with the parameter N; and upon the parameter PhaseReportConfiguration being set to Configured, the time-domain property comprises the one or more amplitudes and one or more phases of the channel correlation, wherein a number of the one or more amplitudes and a number of the one or more phases is associated with the parameter N or the parameter M.
  11. 11 . The method of claim 5 , wherein the RS comprises a CSI-RS.
  12. 12 . The method of claim 5 , wherein the wireless communication device determines the CSI according to the CSI reporting configuration signaling, and wherein the CSI comprises a time-domain property.
  13. 13 . The method of claim 12 , wherein: upon the parameter PhaseReportConfiguration being set to notConfigured, the time-domain property comprises one or more amplitudes of the channel correlation, wherein a number of the one or more amplitudes is associated with the parameter N; and upon the parameter PhaseReportConfiguration being set to Configured, the time-domain property comprises the one or more amplitudes and one or more phases of the channel correlation, wherein a number of the one or more amplitudes and a number of the one or more phases is associated with the parameter N or the parameter M.
  14. 14 . The apparatus of claim 8 , wherein the RS comprises a CSI-RS.
  15. 15 . The apparatus of claim 8 , wherein the wireless communication device determines the CSI according to the CSI reporting configuration signaling, and wherein the CSI comprises a time-domain property.
  16. 16 . The apparatus of claim 15 , wherein: upon the parameter PhaseReportConfiguration being set to notConfigured, the time-domain property comprises one or more amplitudes of the channel correlation, wherein a number of the one or more amplitudes is associated with the parameter N; and upon the parameter PhaseReportConfiguration being set to Configured, the time-domain property comprises the one or more amplitudes and one or more phases of the channel correlation, wherein a number of the one or more amplitudes and a number of the one or more phases is associated with the parameter N or the parameter M.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Patent Application No. PCT/CN2023/072728, filed on Jan. 17, 2023, the contents of which are incorporated herein by reference in their entirety. TECHNICAL FIELD This disclosure is directed generally to wireless communications. BACKGROUND Wireless communication technologies are moving the world toward an increasingly connected and networked society. The rapid growth of wireless communications and advances in technology has led to greater demand for capacity and connectivity. Other aspects, such as energy consumption, device cost, spectral efficiency, and latency are also important to meeting the needs of various communication scenarios. In comparison with the existing wireless networks, next generation systems and wireless communication techniques need to provide support for an increased number of users and devices, as well as support an increasingly mobile society. SUMMARY Various techniques are disclosed that can be implemented by embodiments in mobile communication technology, including 5th Generation (5G), new radio (NR), 4th Generation (4G), and long-term evolution (LTE) communication systems. In one example aspect, a wireless communication method is disclosed. The method includes receiving, by a wireless communication device, a reference signal (RS); receiving, by the wireless communication device, a channel state information (CSI) reporting configuration signaling; determining, by the wireless communication device, according to the RS and the CSI reporting configuration signaling; and transmitting, by the wireless communication device, to a network device, a CSI according to the CSI reporting configuration signaling. In another example aspect, another wireless communication method is disclosed. The method includes transmitting, to a wireless communication device, a reference signal (RS); transmitting, to the wireless communication device, a channel state information (CSI) reporting configuration signaling; determining, by the wireless communication device, according to the RS and the CSI reporting configuration signaling; and receiving, from the wireless communication device, by a network device, a CSI according to the CSI reporting configuration signaling. In yet another exemplary aspect, the above-described methods are embodied in the form of a computer-readable medium that stores processor-executable code for implementing the method. In yet another exemplary embodiment, a device that is configured or operable to perform the above-described methods is disclosed. The device comprises a processor configured to implement the method. The above and other aspects and their implementations are described in greater detail in the drawings, the descriptions, and the claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 illustrates an example of a high-speed railway scenario with multiple remote radio heads. FIG. 2 illustrates an example of a time structure of reference signal. FIG. 3 illustrates an example of a doppler spectrum. FIG. 4 is a flowchart illustrating an example method. FIG. 5 is a flowchart illustrating an example method. FIG. 6 is a block diagram example of a wireless communication system. FIG. 7 is a flowchart of an example method of wireless communication. DETAILED DESCRIPTION Section headings are used in the present document only to improve readability and do not limit scope of the disclosed embodiments and techniques in each section to only that section. Certain features are described using the example of Fifth Generation (5G) wireless protocol. However, applicability of the disclosed techniques is not limited to only 5G wireless systems. In many cases, a 5G base station (BS) has to provide data transmission service for multiple users with different moving speeds. Different moving speeds will lead to different channel changing speed between the users and the BS. To improve the service quality, the BS may acquire the time-domain correlation property (TDCP) of the channel and accordingly configures different service policies for different users. The TDCP may be measured by the user equipment (UE) and reported to the BS. The specific methods of TDCP reporting has not been determined yet and this document discloses several solutions to address the issue. TDCP is one type of Channel State Information (CSI), which indicates the changing speed of the channel between UE and BS. TDCP is typically applied in two scenarios: the high-speed railway scenario and the expressway scenario. As shown in FIG. 1, the high-speed-railway scenario is illustrated where there are 6 Remote Radio Heads (RRH). In order to save handover procedure, some of RRHs correspond to the same cell. This means that there is a long narrow cell along with a railway. Similarly, there are several Transmission/Reception Points (TRP) deployed alone with an expressway. Currently, two categories of properties are considered as alternatives of TDCP. The fi