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CN-122027099-A - Demodulation reference signal configuration method, electronic equipment and storage medium

CN122027099ACN 122027099 ACN122027099 ACN 122027099ACN-122027099-A

Abstract

The embodiment of the application provides a demodulation reference signal configuration method, which is applied to the technical field of wireless communication and comprises the steps of receiving demodulation reference signal configuration signaling; and transmitting a demodulation reference signal according to the demodulation reference signal pattern indicated by the demodulation reference signal configuration signaling. The embodiment of the application can improve the user capacity of the channel, and the demodulation reference signal pattern indicated by the signaling can adapt to various scenes, thereby having better flexibility.

Inventors

  • ZHANG YIFENG
  • AI XINGXING
  • GAO BO
  • MEI MENG
  • ZHANG YANG

Assignees

  • 中兴通讯股份有限公司

Dates

Publication Date
20260512
Application Date
20241108

Claims (20)

  1. 1. A demodulation reference signal configuration method, applied to a first node, the method comprising: Receiving demodulation reference signal configuration signaling; And transmitting a demodulation reference signal according to the demodulation reference signal pattern indicated by the demodulation reference signal configuration signaling.
  2. 2. The method of claim 1, wherein the transmitting the demodulation reference signal according to the demodulation reference signal pattern indicated by the demodulation reference signal configuration signaling comprises: Determining demodulation reference signal pattern information indicated by the demodulation reference signal configuration signaling; And transmitting the demodulation reference signal according to the demodulation reference signal pattern corresponding to the demodulation reference signal pattern information.
  3. 3. The method of claim 1, wherein the transmitting the demodulation reference signal according to the demodulation reference signal pattern indicated by the demodulation reference signal configuration signaling comprises: Determining that the demodulation reference signal configuration signaling indicates a switch from a first demodulation reference signal pattern to a second demodulation reference signal pattern; Transmitting the demodulation reference signal according to the second demodulation reference signal pattern.
  4. 4. The method of claim 1, wherein the demodulation reference signal configuration signaling comprises at least one of radio resource control signaling, medium access control layer control unit signaling, or downlink control information.
  5. 5. The method of claim 1, wherein the demodulation reference signal configuration signaling comprises at least one of first signaling or second signaling, wherein, The first signaling is used for indicating the demodulation reference signal pattern information; the second signaling is to indicate a switch from the first demodulation reference signal pattern to the second demodulation reference signal pattern.
  6. 6. The method according to claim 2 or 5, wherein the demodulation reference signal pattern information includes uniform type pattern information or non-uniform type pattern information.
  7. 7. The method of claim 2 or 5, wherein the uniform type pattern information of the demodulation reference signal pattern information includes at least one of a number of code division multiplexing groups, a corresponding scheduling bandwidth ratio of each code division multiplexing group, a resource unit position or number occupied by each code division multiplexing group map, and a number of maximum demodulation reference signal ports supported by each code division multiplexing group.
  8. 8. The method of claim 7, wherein the number of code division multiplexing groups of the uniform type pattern comprises at least one of 2, 3, 4, 6, 8, 12.
  9. 9. The method of claim 7, wherein the same code division multiplexing groups occupy equal spacing of resource units, and wherein the number of resource units occupied by one code division multiplexing group within 1 physical resource block is at least one of 12, 6,4,3,2,1.
  10. 10. The method of claim 2 or 5, wherein the non-uniform type pattern information of the demodulation reference signal pattern information is composed of at least two uniform type pattern information, the non-uniform type pattern information including at least one of a number of uniform type pattern information, a plurality of uniform type pattern information, and scheduling resource unit location information corresponding to each uniform type pattern information.
  11. 11. The method of claim 10, wherein the scheduling resource unit location information corresponding to the uniform type pattern information is one of: Storing the position of a scheduling resource unit based on a bitmap, wherein the minimum scheduling unit in the bitmap is a resource block group RBG or a physical resource group PRG; And saving the position of the scheduling resource unit through the starting position and the length.
  12. 12. The method as recited in claim 1, further comprising: and failing to receive the demodulation reference signal configuration signaling, transmitting demodulation reference signals according to demodulation reference signal patterns corresponding to default demodulation reference signal pattern information, wherein the default demodulation reference signal pattern information is uniform type pattern information.
  13. 13. The method of claim 3 or 5, wherein the first demodulation reference signal pattern is a demodulation reference signal pattern corresponding to a demodulation reference signal currently transmitted, and the second demodulation reference signal pattern is a demodulation reference signal pattern corresponding to a demodulation reference signal to be transmitted in a switching manner.
  14. 14. The method according to claim 3 or 5, wherein the demodulation reference signal pattern information corresponding to the first demodulation reference signal pattern is not identical to the demodulation reference signal pattern information corresponding to the second demodulation reference signal pattern.
  15. 15. The method of claim 14, wherein the demodulation reference signal pattern information corresponding to the first demodulation reference signal pattern is not exactly the same as the demodulation reference signal pattern information corresponding to the second demodulation reference signal pattern, the difference comprising a time domain symbol difference for the demodulation reference signal, wherein the time domain symbol comprises at least one of a number or a position of time domain symbols.
  16. 16. A demodulation reference signal configuration method, applied to a second node, the method comprising: determining demodulation reference signal configuration signaling; And transmitting the demodulation reference signal configuration signaling.
  17. 17. The method of claim 16, wherein the demodulation reference signal configuration signaling comprises at least one of radio resource control signaling, medium access control layer control unit signaling, or downlink control information.
  18. 18. The method of claim 16, wherein the demodulation reference signal configuration signaling comprises at least one of first signaling or second signaling, wherein, The first signaling is used for indicating the demodulation reference signal pattern information; the second signaling is to indicate a switch from the first demodulation reference signal pattern to the second demodulation reference signal pattern.
  19. 19. The method of claim 18, wherein the demodulation reference signal pattern information comprises uniform type pattern information or non-uniform type pattern information.
  20. 20. The method of claim 18, wherein the uniform type pattern information of the demodulation reference signal pattern information comprises at least one of a number of code division multiplexing groups, a corresponding scheduling bandwidth duty cycle for each code division multiplexing group, a location or number of resource elements occupied by each code division multiplexing group map, and a number of maximum demodulation reference signal ports supported by each code division multiplexing group.

Description

Demodulation reference signal configuration method, electronic equipment and storage medium Technical Field The present application relates to the field of wireless communications technologies, and in particular, to a demodulation reference signal configuration method, an electronic device, and a storage medium. Background With the development of wireless communication technology, as more device connections and abundant application demands exist in future communication scenarios, the demand for multi-user capacity is increasing, and higher capacity is required to meet the requirements of large-scale data transmission and multi-user communication. At present, capacity improvement is satisfied from the hardware realization and protocol level, and higher multi-user capacity is realized by expanding the array antenna scale. The array antenna can improve the receiving and transmitting capacity of signals by increasing the number of the antennas and optimizing the layout of the antennas, thereby supporting more data stream transmission. In communication protocols, the capacity of the system can be increased by increasing the number of data streams transmitted simultaneously, which requires optimization and improvement of the communication protocol to support more multiplexed streams. In addition, since the frequency band used for communication is gradually increased and the supported bandwidth is gradually increased, the frequency domain characteristic difference of the channel in the scheduled frequency band is gradually increased, which results in that the transmission mode of the existing Demodulation reference signal (Demodulation REFERENCE SIGNAL, DMRS) cannot be suitable for the scene with large current frequency domain characteristic difference, so that a configuration mode of the Demodulation reference signal is needed to realize multi-user communication transmission and improve the user capacity of the channel. Disclosure of Invention The embodiment of the application provides a demodulation reference signal configuration method, electronic equipment and a storage medium, wherein the purpose of improving the user capacity of a channel is achieved, a demodulation reference signal pattern indicated by signaling can adapt to various scenes, and the method and the device have good flexibility. The embodiment of the application provides a demodulation reference signal configuration method, which comprises the following steps: Receiving demodulation reference signal configuration signaling; And transmitting a demodulation reference signal according to the demodulation reference signal pattern indicated by the demodulation reference signal configuration signaling. The embodiment of the application also provides a demodulation reference signal configuration method, wherein the method comprises the following steps: determining demodulation reference signal configuration signaling; And transmitting the demodulation reference signal configuration signaling. The embodiment of the application also provides electronic equipment, which comprises: one or more processors; A memory for storing one or more programs; The one or more programs, when executed by the one or more processors, cause the one or more processors to implement the methods as described in any of the embodiments of the application. The embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium stores one or more programs, and the one or more programs are executed by one or more processors to implement the method according to any one of the embodiments of the application. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a flowchart of a demodulation reference signal configuration method according to an embodiment of the present application; fig. 2 is a flowchart of another demodulation reference signal configuration method according to an embodiment of the present application; fig. 3 is an exemplary diagram of a demodulation reference signal pattern provided in an embodiment of the present application; fig. 4 is an exemplary diagram of a demodulation reference signal pattern provided in an embodiment of the present application; fig. 5 is an exemplary diagram of a demodulation reference signal pattern provided in an embodiment of the present application; fig. 6 is an exemplary diagram of a demodulation reference signal pattern provided in an embodiment of the present application; fig. 7 is an exemplary diagram of a demodulation reference signal pattern provided in an embodiment of the pr