WO2022141525A1 - 解调参考信号dmrs配置方法、装置、设备及其存储介质 - Google Patents

解调参考信号dmrs配置方法、装置、设备及其存储介质 Download PDF

Info

Publication number
WO2022141525A1
WO2022141525A1 PCT/CN2020/142424 CN2020142424W WO2022141525A1 WO 2022141525 A1 WO2022141525 A1 WO 2022141525A1 CN 2020142424 W CN2020142424 W CN 2020142424W WO 2022141525 A1 WO2022141525 A1 WO 2022141525A1
Authority
WO
WIPO (PCT)
Prior art keywords
configuration
dmrs
configuration scheme
scheme
type
Prior art date
Application number
PCT/CN2020/142424
Other languages
English (en)
French (fr)
Inventor
刘洋
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202080004039.4A priority Critical patent/CN115066853A/zh
Priority to PCT/CN2020/142424 priority patent/WO2022141525A1/zh
Publication of WO2022141525A1 publication Critical patent/WO2022141525A1/zh

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the present invention relates to the technical field of mobile communication, and in particular, to a demodulation reference signal DMRS configuration method, apparatus, device and storage medium thereof.
  • the protocol supports PUSCH (Physical uplink shared channel, physical uplink shared channel) to obtain a larger receiving SNR (SIGNAL NOISE RATIO, signal-to-noise ratio) through repeated transmission.
  • PUSCH Physical uplink shared channel, physical uplink shared channel
  • SNR SIGNAL NOISE RATIO, signal-to-noise ratio
  • the embodiment of the first aspect of the present invention proposes an adaptive demodulation reference signal DMRS configuration method.
  • the method is applied to a terminal device and includes: acquiring DMRS configuration information including more than one configuration scheme; Select the target configuration scheme in a configuration scheme.
  • the DMRS configuration information including more than one configuration scheme includes: acquiring a DMRS configuration table including more than one configuration scheme, wherein each configuration scheme includes at least one of the following information:
  • DMRS configuration index DMRS symbol length, time domain location, time domain granularity, frequency domain location and frequency domain granularity.
  • the method further includes: acquiring the DMRS configuration table configured through RRC.
  • more than one configuration scheme in the DMRS configuration table includes: at least one first type configuration scheme and at least one second type configuration scheme, wherein the DMRS configuration provided by the second type configuration scheme The density is greater than the DMRS configuration density provided by the first type of configuration solution.
  • the DMRS configuration density provided by the first type of configuration scheme includes: the DMRS symbol length is less than or equal to a preset threshold, and the number of DMRS time-domain and frequency-domain positions is less than or equal to a preset threshold;
  • the DMRS configuration density includes: the DMRS symbol length is greater than the preset threshold, and the number of DMRS time-domain and frequency-domain positions is greater than the preset threshold.
  • the selecting a target configuration scheme from the pair of configuration schemes includes: if the downlink signal-to-noise ratio or the downlink channel quality indicator is greater than a preset threshold, selecting the target configuration scheme from the first type of configuration scheme Configuration scheme; if the downlink signal-to-noise ratio, or the downlink channel quality indicator, is less than or equal to a preset threshold, select a target configuration scheme from the second type of configuration schemes.
  • the selecting a target configuration scheme from the more than one configuration scheme includes: if the movement speed of the terminal device is less than or equal to a preset threshold, selecting a target configuration scheme from the first type of configuration schemes. ; if the movement speed of the terminal device is greater than a preset threshold, select a target configuration scheme from the second type of configuration schemes.
  • the selecting a target configuration scheme from the more than one configuration scheme includes:
  • the selecting a target configuration scheme from the more than one configuration scheme includes: if the data feedback status is ACK, selecting a target configuration scheme from the first type of configuration schemes; if the data feedback status is ACK In the case of NACK, the target configuration scheme is selected from the second type of configuration schemes.
  • the selecting a target configuration scheme from the more than one configuration scheme includes: receiving downlink control information DCI including the DMRS configuration index, or receiving a MAC-CE including the DMRS configuration index.
  • the embodiment of the second aspect of the present invention proposes a demodulation reference signal DMRS configuration method.
  • the method is applied to a base station and includes: sending DMRS configuration information including more than one configuration scheme; instructing a terminal device from the more than one configuration scheme Select the target configuration scheme from among the configuration schemes.
  • the embodiment of the third aspect of the present invention provides a demodulation reference signal DMRS configuration apparatus, the apparatus is applied to terminal equipment, and includes: an obtaining module, configured to obtain demodulation reference signal DMRS configuration information including more than one configuration scheme ; a selection module for selecting a target configuration scheme from the more than one configuration scheme.
  • the embodiment of the fourth aspect of the present invention provides a demodulation reference signal DMRS configuration device, wherein the device is applied to a base station, and includes: a sending module, configured to send DMRS configuration information including more than one configuration scheme; an instructing module for instructing the terminal device to select a target configuration scheme from the more than one configuration scheme.
  • An embodiment of a fifth aspect of the present invention provides a communication device, including a processor, a transceiver, a memory, and a computer program stored on the memory, where the processor runs the computer program to implement the first aspect or The demodulation reference signal configuration method proposed by the embodiment of the second aspect.
  • the embodiment of the sixth aspect of the present invention provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the first aspect or the second aspect
  • the demodulation reference signal configuration method proposed by the embodiment is not limited to the embodiment.
  • the DMRS configuration information of the demodulation reference signal including more than one configuration scheme sent by the base station, and then select a target configuration scheme from the more than one configuration scheme.
  • the utilization rate of transmission resources is improved to improve coverage performance, while signal demodulation performance is not affected, and technical support is provided for scenarios such as retransmission of information to improve coverage quality.
  • FIG. 1 is a schematic flowchart of a demodulation reference signal DMRS configuration method according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a demodulation reference signal DMRS configuration apparatus provided according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a demodulation reference signal DMRS configuration method according to another embodiment of the present invention.
  • FIG. 4 is a structural block diagram of another demodulation reference signal DMRS configuration apparatus provided according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a communication device according to an embodiment of the present invention.
  • the present invention proposes a demodulation reference signal DMRS configuration method, so as to take into account the improvement of the coverage performance and the guarantee of the demodulation performance of the channel.
  • the demodulation reference signal configuration method in the embodiment of the present invention in detail with reference to specific embodiments, wherein the method is applied to terminal equipment, and the terminal equipment includes but is not limited to communication equipment such as mobile phones and wearable terminal equipment.
  • FIG. 1 is a flowchart of a demodulation reference signal DMRS configuration method provided according to an embodiment of the present invention, wherein the method includes:
  • Step 101 Obtain demodulation reference signal DMRS configuration information including more than one configuration scheme.
  • the low-density DMRS scheme can save more resources for carrying bearer data, and allocate more transmission power to the PUSCH transmission, thereby increasing the coding rate of the channel.
  • the high-density DMRS scheme can improve the accuracy of channel estimation and also improve the PUSCH performance.
  • the base station sends a demodulation reference signal DMRS including more than one configuration scheme to the terminal device Configuration information, the DMRS configuration information should be adaptive, and the DMRS configuration information can be dynamically selected as the target configuration scheme according to the UE state and channel state, etc., to achieve the best transmission and coverage performance.
  • each configuration scheme may include a DMRS configuration table, a DMRS configuration
  • Each table cell in the table, such as each row, can include at least one of the following types of information:
  • the first type DMRS configuration index.
  • the DMRS configuration index can be understood as information that identifies the uniqueness of each configuration scheme, and can be in any form such as numerical number, text information, and subtitle information.
  • the second DMRS symbol length.
  • the DMRS symbol length may be 3 symbols or 4 symbols in addition to the length of 1 or 2 symbols. Extending the DMRS symbol length can obviously improve the DMRS density, and reducing the DMRS symbol length can obviously reduce the DMRS density.
  • the third type time domain location.
  • the actual PUSCH time domain resources in the retransmission scenario may be divided into multiple time slots, wherein each time slot may have at most 4 DMRS positions.
  • the DMRS configuration table may include The slot position corresponding to the DMRS position.
  • the fourth time-domain granularity.
  • the granularity of the time domain refers to whether joint estimation is supported.
  • the time domain is bound with multiple DMRSs to perform joint channel estimation.
  • the actual PUSCH time domain resource in the retransmission scenario may be divided into multiple time slots, wherein each time slot has at most 4 DMRS positions.
  • the DMRS configuration table may include the time slots corresponding to the DMRS positions The number of real-time domain granularity.
  • the DMRS configuration table may include the frequency domain interval corresponding to the DMRS position, that is, the frequency domain position.
  • the sixth type frequency domain granularity.
  • the frequency-domain granularity can be understood as the frequency domain in which the DMRS is bound, which is used for joint channel estimation.
  • a communication device such as a base station may configure the above-mentioned DMRS configuration table through radio resource control (Radio Resource Control, RRC).
  • RRC Radio Resource Control
  • Step 102 selecting a target configuration scheme from more than one configuration scheme.
  • a target configuration scheme suitable for the terminal device is adaptively selected from more than one configuration scheme to achieve optimal transmission and coverage performance.
  • the DMRS configuration method for the demodulation reference signal acquires the DMRS configuration information of the demodulation reference signal including more than one configuration scheme sent by the base station, and then selects the target configuration scheme from the more than one configuration scheme . Therefore, while improving the utilization rate of transmission resources and improving the coverage performance, the demodulation performance of the signal is not affected, and technical support is provided for scenarios such as retransmission of information and improvement of coverage quality.
  • more than one configuration scheme in the DMRS configuration table mainly includes DMRS configuration information of different densities.
  • the DMRS configuration table includes a plurality of configuration schemes sorted from low to high DMRS configuration density, and the target configuration scheme can be determined in the corresponding configuration scheme according to the needs of the scenario.
  • the more than one configuration scheme in the DMRS configuration table includes at least one configuration scheme of the first type and at least one configuration scheme of the second type, wherein each configuration in the configuration scheme of the second type
  • the DMRS configuration density provided by the solution is greater than the DMRS configuration density provided by each configuration solution in the first type of configuration solution.
  • the DMRS configuration table may include multiple rows, each row includes a corresponding DMRS configuration index, and DMRS configuration information limiting the DMRS configuration density, wherein, when the DMRS configuration index is a number form, DMRS configuration indices 1-5 can be understood as corresponding to the first type of configuration scheme, the DMRS configuration density defined by the DMRS configuration information corresponding to the first type of configuration scheme is relatively low, and DMRS configuration indices 6-10 can be understood as corresponding to the first type of configuration scheme.
  • the second type of configuration scheme, the DMRS configuration density defined by the DMRS configuration information corresponding to the second type of configuration scheme is relatively high.
  • DMRS configuration index DMRS configuration information 1 DMRS configuration information 1 2 DMRS configuration information 2 3 DMRS configuration information 3 4 DMRS configuration information 4 5 DMRS configuration information 5 6 DMRS configuration information 6 7 DMRS configuration information 7 8 DMRS configuration information 8 9 DMRS configuration information 9 10 DMRS configuration information 10
  • the DMRS configuration densities provided by each configuration scheme in the first type of configuration scheme include: DMRS The symbol length is less than or equal to a preset threshold, and the number of DMRS time-domain and frequency-domain locations is less than or equal to a preset threshold, the DMRS configuration density provided by each configuration scheme in the second type of configuration scheme includes: The number of frequency domain locations is greater than the preset threshold.
  • the above-mentioned preset thresholds corresponding to each DMRS configuration density may be flexibly set according to the communication state of the terminal device, and different preset thresholds may be different.
  • first type of configuration scheme and the second type of configuration scheme can be flexibly selected according to the state of the terminal device:
  • it is selected according to the signal-to-noise ratio.
  • the downlink signal-to-noise ratio or the downlink channel quality indicator is greater than a preset threshold, where the preset threshold is calibrated according to experimental data, it directly indicates that the current signal quality is not good. Therefore, in order to ensure signal transmission performance, save more resources for carrying bearer data, and select the target configuration scheme from the first type of configuration scheme.
  • a configuration scheme can be randomly selected as the target configuration scheme, or the downlink signal-to-noise ratio corresponding to each low-density configuration scheme can be constructed in advance according to experimental data, or , the range to which the downlink channel quality belongs, and the downlink signal-to-noise ratio of the current terminal device, or the downlink channel quality, is matched with the range, and the low-density configuration scheme that is successfully matched is determined as the target configuration scheme.
  • the downlink signal-to-noise ratio or the downlink channel quality indicator is less than or equal to a preset threshold, where the preset threshold is calibrated according to experimental data, it directly indicates that the current signal quality is better. Therefore, in order to better To improve PUSCH performance, select a target configuration scheme from the second type of configuration scheme.
  • one configuration scheme can be randomly selected as the target configuration scheme, or the downlink signal-to-noise ratio corresponding to each high-density configuration scheme can be constructed in advance according to experimental data, or , the range to which the downlink channel quality belongs, and the downlink signal-to-noise ratio of the current terminal device, or the downlink channel quality, is matched with the range, and a high-density configuration scheme that is successfully matched is determined as the target configuration scheme.
  • the selection is made according to the moving speed of the terminal device.
  • the preset threshold is calibrated according to experimental data, that is, the terminal device is in a relatively static state, and the quality of the signal is particularly important. Therefore, in order to ensure the signal transmission performance , save more resources for carrying bearer data, and select the target configuration scheme from the first type of configuration scheme.
  • one configuration scheme can be randomly selected as the target configuration scheme, or the mobile speed of the terminal device corresponding to each low-density configuration scheme can be constructed in advance according to experimental data.
  • the range of the current terminal equipment is matched with the moving speed of the terminal equipment of the current terminal equipment, and the low-density configuration scheme that is successfully matched is determined as the target configuration scheme.
  • the configuration scheme of the second type is adopted. , select the target configuration scheme.
  • one configuration scheme can be randomly selected as the target configuration scheme, or the mobile speed of the terminal equipment corresponding to each high-density configuration scheme can be constructed in advance according to experimental data.
  • the range of the current terminal equipment is matched with the moving speed of the terminal equipment of the current terminal equipment, and the high-density configuration scheme that is successfully matched is determined as the target configuration scheme.
  • the selection is made according to the bundled number of time slots of the terminal equipment.
  • the logical transmission resources are divided into multiple time slots in the time domain, each time slot contains a fixed number of symbols, and each symbol corresponds to the DMRS position.
  • each time slot contains a fixed number of symbols, and each symbol corresponds to the DMRS position.
  • a target configuration scheme is selected from the first type of configuration schemes.
  • one configuration scheme can be randomly selected as the target configuration scheme, or the time slot binding of the terminal equipment corresponding to each low-density configuration scheme can be constructed in advance according to experimental data.
  • the range of the number of timeslots is matched with the current time slot bundle number of the terminal device, and the low-density configuration scheme that is successfully matched is determined as the target configuration scheme.
  • the target configuration solution is selected from the second type of configuration solutions.
  • one configuration scheme can be randomly selected as the target configuration scheme, or the time slot binding of the terminal equipment corresponding to each high-density configuration scheme can be constructed in advance according to the experimental data.
  • the range to which the number belongs matches the current time slot bundle number of the terminal device with the range, and determines the high-density configuration scheme that is successfully matched as the target configuration scheme.
  • the data feedback status may be understood as status information fed back by the data sending request of the receiving end.
  • the target configuration scheme is selected from the first type of configuration scheme.
  • one configuration scheme may be randomly selected as the target configuration scheme.
  • the data feedback state is the rejection character (NO-Acknowledgement, NACK) fed back by the failure of the demodulation at the receiving end, it indicates that the communication quality of the communication equipment such as the base station and the terminal equipment is poor.
  • NACK NO-Acknowledgement
  • one configuration scheme may be randomly selected as the target configuration scheme.
  • the configuration scheme of the terminal equipment is directly instructed by the base station.
  • the downlink control information (Downlink Control Information, DCI) including the DMRS configuration index sent by the receiving base station is received, wherein the DMRS configuration index can be in a digital form, and can be any information that uniquely identifies the uniqueness of the configuration scheme, such as an alphabetical form.
  • DCI Downlink Control Information
  • control layer control element information (Media access control-Control element, MAC-CE) including the DMRS configuration index and sent by the base station may also be received.
  • MAC-CE Media access control-Control element
  • the DMRS of the original standard PUSCH is a semi-static configuration.
  • a high-layer configuration + bottom-layer selection method may be adopted, for example, RRC configuration + DCI dynamic indication/, or RRC configuration may be adopted. +MAC-CE dynamic activation, or MAC configuration +DCI dynamic selection, etc.
  • the demodulation reference signal configuration method flexibly adapts the DMRS configuration scheme according to the state information of the terminal equipment, so as to achieve the best transmission and coverage performance.
  • the present invention also provides a demodulation reference signal DMRS configuration device, because the demodulation reference signal DMRS configuration device provided by the embodiments of the present invention is the same as the above-mentioned several kinds.
  • the implementation manner of the demodulation reference signal DMRS configuration method is also applicable to the demodulation reference signal DMRS configuration device provided in this embodiment, which will not be described in detail in this embodiment.
  • FIG. 2 is a schematic structural diagram of a demodulation reference signal DMRS configuration apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a terminal device.
  • the demodulation reference signal configuration apparatus includes: an acquisition module 201 and a selection module 202 ,in,
  • An obtaining module 201 configured to obtain demodulation reference signal DMRS configuration information including more than one configuration scheme
  • the apparatus for configuring the DMRS for the demodulation reference signal acquires the DMRS configuration information of the demodulation reference signal including more than one configuration scheme sent by the base station, and further selects the target configuration scheme from the more than one configuration scheme .
  • the utilization rate of transmission resources is improved to improve coverage performance, while signal demodulation performance is not affected, and technical support is provided for scenarios such as retransmission of information to improve coverage quality.
  • the present invention also proposes a method for configuring a demodulation reference signal DMRS.
  • the method is applied on the base station side
  • FIG. 3 is a flowchart of a method for configuring a demodulation reference signal DMRS according to an embodiment of the present invention. As shown in FIG. 3 , the method includes:
  • Step 301 Send DMRS configuration information including more than one configuration scheme.
  • the low-density DMRS scheme can save more resources for carrying bearer data, and allocate more transmission power to the PUSCH transmission, thereby increasing the coding rate of the channel.
  • the high-density DMRS scheme can improve the accuracy of channel estimation and also improve the PUSCH performance.
  • the base station sends a demodulation reference signal DMRS including more than one configuration scheme to the terminal device Configuration information, the DMRS configuration information should be adaptive, and the DMRS configuration information can be dynamically selected as the target configuration scheme according to the UE state and channel state, etc., to achieve the best transmission and coverage performance.
  • each configuration scheme may include a DMRS configuration table, a DMRS configuration
  • Each table cell in the table, such as each row, can include at least one of the following types of information:
  • the first type DMRS configuration index.
  • the DMRS configuration index can be understood as information that identifies the uniqueness of each configuration scheme, and can be in any form such as numerical number, text information, and subtitle information.
  • the second DMRS symbol length.
  • the DMRS symbol length may be 3 symbols or 4 symbols in addition to the length of 1 or 2 symbols. Extending the DMRS symbol length can obviously improve the DMRS density, and reducing the DMRS symbol length can obviously reduce the DMRS density.
  • the third type time domain location.
  • the actual PUSCH time domain resources in the retransmission scenario may be divided into multiple time slots, wherein each time slot may have at most 4 DMRS positions.
  • the DMRS configuration table may include The slot position corresponding to the DMRS position.
  • the fourth time-domain granularity.
  • the granularity of the time domain refers to whether joint estimation is supported.
  • the time domain is bound with multiple DMRSs to perform joint channel estimation.
  • the actual PUSCH time domain resource in the retransmission scenario may be divided into multiple time slots, wherein each time slot has at most 4 DMRS positions.
  • the DMRS configuration table may include the time slots corresponding to the DMRS positions The number of real-time domain granularity.
  • the DMRS configuration table may include the frequency domain interval corresponding to the DMRS position, that is, the frequency domain position.
  • the sixth type frequency domain granularity.
  • the frequency-domain granularity can be understood as the frequency domain in which the DMRS is bound, which is used for joint channel estimation.
  • a communication device such as a base station may configure the above-mentioned DMRS configuration table through radio resource control (Radio Resource Control, RRC).
  • RRC Radio Resource Control
  • Step 302 instructing the terminal device to select a target configuration scheme from more than one configuration scheme.
  • the terminal device is instructed to adaptively select a target configuration scheme suitable for the terminal device from more than one configuration scheme, so as to achieve the best transmission and coverage performance.
  • the demodulation reference signal DMRS configuration method sends the demodulation reference signal DMRS configuration information including more than one configuration scheme, and further instructs the terminal device to select the target configuration from more than one configuration scheme Program. Therefore, while improving the utilization rate of transmission resources and improving the coverage performance, the demodulation performance of the signal is not affected, and technical support is provided for scenarios such as retransmission of information and improvement of coverage quality.
  • the present invention also provides a demodulation reference signal DMRS configuration device, because the demodulation reference signal DMRS configuration device provided by the embodiments of the present invention is the same as the above-mentioned several kinds.
  • the implementation manner of the demodulation reference signal DMRS configuration method is also applicable to the demodulation reference signal DMRS configuration device provided in this embodiment, which will not be described in detail in this embodiment.
  • FIG. 4 is a schematic structural diagram of a demodulation reference signal DMRS configuration apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a terminal device.
  • the demodulation reference signal configuration apparatus includes: a sending module 401 and an indicating module 402 ,in,
  • a sending module 401 configured to send DMRS configuration information including more than one configuration scheme
  • the instructing module 402 is configured to instruct the terminal device to select a target configuration scheme from more than one configuration scheme.
  • the apparatus for configuring the demodulation reference signal DMRS sends the demodulation reference signal DMRS configuration information including more than one configuration scheme, and further instructs the terminal device to select the target configuration scheme from the more than one configuration scheme .
  • the utilization rate of transmission resources is improved to improve coverage performance, while signal demodulation performance is not affected, and technical support is provided for scenarios such as retransmission of information to improve coverage quality.
  • the present invention also provides a communication device and a readable storage medium.
  • FIG. 5 it is a block diagram of a communication device configured with a demodulation reference signal according to an embodiment of the present invention.
  • Communication devices are intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers.
  • Communication devices may also represent various forms of mobile devices, such as personal digital processors, cellular phones, smart phones, wearable devices, and other similar computing devices.
  • the components shown herein, their connections and relationships, and their functions are by way of example only, and are not intended to limit implementations of the inventions described and/or claimed herein.
  • the communication device includes: one or more processors 501, a memory 502, and interfaces for connecting various components, including a high-speed interface and a low-speed interface.
  • the various components are interconnected using different buses and may be mounted on a common motherboard or otherwise as desired.
  • the processor may process instructions executed within the communication device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface.
  • multiple processors and/or multiple buses may be used with multiple memories and multiple memories, if desired.
  • multiple communication devices may be connected, with each device providing some of the necessary operations (eg, as a server array, a group of blade servers, or a multi-processor system).
  • a processor 501 is taken as an example in FIG. 5 .
  • the memory 502 is the non-transitory computer-readable storage medium provided by the present invention.
  • the memory stores instructions executable by at least one processor, so that the at least one processor executes the demodulation reference signal configuration method provided by the present invention.
  • the non-transitory computer-readable storage medium of the present invention stores computer instructions, and the computer instructions are used to make the computer execute the demodulation reference signal configuration method provided by the present invention.
  • the memory 502 can be used to store non-transitory software programs, non-transitory computer-executable programs and modules, such as program instructions/modules corresponding to the demodulation reference signal DMRS configuration in the embodiment of the present invention.
  • the processor 501 executes various functional applications and data processing of the server by running the non-transitory software programs, instructions and modules stored in the memory 502, ie, implements the demodulation reference signal configuration method in the above method embodiments.
  • the memory 502 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the positioning communication device, and the like. Additionally, memory 502 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. Optionally, memory 502 may optionally include memory located remotely relative to processor 501, which remote memory may be connected to the positioning communication device via a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the communication device performing the demodulation reference signal configuration may further include: input means 503 and output means 504 .
  • the processor 501 , the memory 502 , the input device 503 and the output device 504 may be connected by a bus or in other ways, and the connection by a bus is taken as an example in FIG. 5 .
  • the input device 503 may receive input numerical or character information and generate key signal input related to user settings and functional control of the positioning communication device, such as a touch screen, keypad, mouse, trackpad, touchpad, pointing stick, one or more Input devices such as mouse buttons, trackballs, joysticks, etc.
  • the output device 504 may include a display device, auxiliary lighting devices (eg, LEDs), haptic feedback devices (eg, vibration motors), and the like.
  • the display device may include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED) display, and a plasma display. In some implementations, the display device may be a touch screen.
  • Various implementations of the systems and techniques described herein can be implemented in digital electronic circuitry, integrated circuit systems, application specific ASICs (application specific integrated circuits), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include being implemented in one or more computer programs executable and/or interpretable on a programmable system including at least one programmable processor that The processor, which may be a special purpose or general-purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device an output device.
  • the processor which may be a special purpose or general-purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device an output device.
  • machine-readable medium and “computer-readable medium” refer to any computer program product, apparatus, and/or apparatus for providing machine instructions and/or data to a programmable processor ( For example, magnetic disks, optical disks, memories, programmable logic devices (PLDs), including machine-readable media that receive machine instructions as machine-readable signals.
  • machine-readable signal refers to any signal used to provide machine instructions and/or data to a programmable processor.
  • the systems and techniques described herein may be implemented on a computer having a display device (eg, a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user ); and a keyboard and pointing device (eg, a mouse or trackball) through which a user can provide input to the computer.
  • a display device eg, a CRT (cathode ray tube) or LCD (liquid crystal display) monitor
  • a keyboard and pointing device eg, a mouse or trackball
  • Other kinds of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (eg, visual feedback, auditory feedback, or tactile feedback); and can be in any form (including acoustic input, voice input, or tactile input) to receive input from the user.
  • the systems and techniques described herein may be implemented on a computing system that includes back-end components (eg, as a data server), or a computing system that includes middleware components (eg, an application server), or a computing system that includes front-end components (eg, a user's computer having a graphical user interface or web browser through which a user may interact with implementations of the systems and techniques described herein), or including such backend components, middleware components, Or any combination of front-end components in a computing system.
  • the components of the system may be interconnected by any form or medium of digital data communication (eg, a communication network). Examples of communication networks include: Local Area Networks (LANs), Wide Area Networks (WANs), and the Internet.
  • a computer system can include clients and servers.
  • Clients and servers are generally remote from each other and usually interact through a communication network.
  • the relationship of client and server arises by computer programs running on the respective computers and having a client-server relationship to each other.
  • the terminal device acquires the demodulation reference signal DMRS configuration information including more than one configuration scheme and sent by the base station, and further, the terminal device selects from the more than one configuration scheme Target configuration scheme.
  • the utilization rate of transmission resources is improved to improve coverage performance, while signal demodulation performance is not affected, and technical support is provided for scenarios such as retransmission of information to improve coverage quality.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明提出了一种解调参考信号DMRS配配置方法、装置、设备及其存储介质，其中，方法应用于终端设备，包括：获取包括多于一种配置方案的DMRS配置信息；从多于一配置方案中选择目标配置方案。由此，在提高了对传输资源的利用率以提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以提高覆盖质量等场景提供了技术支撑。

Description

解调参考信号DMRS配置方法、装置、设备及其存储介质 技术领域
本发明涉及移动通信技术领域，特别涉及一种解调参考信号DMRS配置方法、装置、设备及其存储介质。
背景技术
在移动通信技术迅速发展的今天，基于信道等传输资源进行信息的传递成为普遍。
相关技术中，实现对传输资源的充分利用尤为重要，比如，覆盖是运营商在将蜂窝网络商业化时考虑的关键因素之一，因为它将直接影响到服务质量以及资本支出和运营成本。
为了增加覆盖，协议支持PUSCH(Physical uplink shared channel，物理上行共享信道)通过重复传输来获得更大的接收SNR(SIGNAL NOISE RATIO，信噪比)，其中R16提出了repetition typeB的重传方式，适用于调度的PUSCH和免授权调度的PUSCH。
发明内容
本发明第一方面实施例提出了一种自适应的解调参考信号DMRS配置方法，所述方法应用于终端设备，包括：获取包括多于一种配置方案的DMRS配置信息；从所述多于一种配置方案中选择目标配置方案。
可选地，所述包括多于一种配置方案的DMRS配置信息，包括：获取包括多于一种配置方案的DMRS配置表，其中，每种所述配置方案至少包括以下信息之一：
DMRS配置索引、DMRS符号长度，时域位置、时域粒度、频域位置和频域粒度。
可选地，还包括：获取通过RRC配置的所述DMRS配置表。
可选地，所述DMRS配置表中的多于一种配置方案包括：至少一种第一类配置方案以及至少一种第二类配置方案，其中，所述第二类配置方案提供的DMRS配置密度大于所述第一类配置方案提供的DMRS配置密度。
可选地，所述第一类配置方案提供的DMRS配置密度包括：DMRS符号长度小于等于预设阈值，以及DMRS时域频域位置数量小于等于预设阈值；所述第二类配置方案提供的DMRS配置密度包括：DMRS符号长度大于预设阈值，以及DMRS时域频域位置数量大于预设阈值。
可选地，所述从所述对于一种配置方案中选择目标配置方案，包括：如果下行信噪比，或者，下行信道质量指示大于预设阈值，从所述第一类配置方案中选择目标配置方案；如果下行信噪比，或者，下行信道质量指示小于等于预设阈值，从所述第二类配置方案中选择目标配置方案。
可选地，所述从所述多于一种配置方案中选择目标配置方案，包括：如果所述终端设备的移动速度小于等于预设阈值，从所述第一类配置方案中选择目标配置方案；如果所述终端设备的移动速度大于预设阈值，从所述第二类配置方案中选择目标配置方案。
可选地，所述从所述多于一种配置方案中选择目标配置方案，包括：
如果跨时隙信道估计的时隙捆绑个数大于预设阈值，从所述第一类配置方案中选择目标配置方案；如果跨时隙信道估计的时隙捆绑个数小于等于预设阈值，从所述第二类配置方案中选择目标配置方案。可选地，所述从所述多于一种配置方案中选择目标配置方案，包括：如果数据反馈状态为ACK时，从所述第一类配置方案中选择目标配置方案；如果数据反馈状态为NACK时，从所述第二类配置方案中选择目标配置方案。
可选地，所述从所述多于一种配置方案中选择目标配置方案，包括：接收包括所述DMRS配置索引的下行控制信息DCI，或者，接收包括所述DMRS配置索引的MAC-CE。
本发明第二方面实施例提出了一种解调参考信号DMRS配置方法，所述方法应用于基站，包括：发送包括多于一种配置方案的DMRS配置信息；指示终端设备从所述多于一种配置方案中选择目标配 置方案。本发明第三方面实施例提出了一种解调参考信号DMRS配置装置，所述装置应用于终端设备，包括：获取模块，用于获取包括多于一种配置方案的解调参考信号DMRS配置信息；选择模块，用于从所述多于一种配置方案中选择目标配置方案。
本发明第四方面实施例提出了一种解调参考信号DMRS配置装置，其特征在于，所述装置应用于基站，包括：发送模块，用于发送包括多于一种配置方案的DMRS配置信息；指示模块，用于指示终端设备从所述多于一种配置方案中选择目标配置方案。
本发明第五方面实施例提出了一种通信设备，包括处理器、收发器、存储器以及存储在所述存储器上的计算机程序，所述处理器运行所述计算机程序，以实现如第一方面或第二方面实施例提出的解调参考信号配置方法。
本发明第六方面实施例提出了一种处理器可读存储介质，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行第一方面或第二方面实施例提出的解调参考信号配置方法。
本发明提出的实施例，至少具有如下技术效果：
获取基站发送的包括多于一种配置方案的解调参考信号DMRS配置信息，进而，从多于一种配置方案中选择目标配置方案。由此，在提高了对传输资源的利用率以提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以提高覆盖质量等场景提供了技术支撑。
本发明附加的方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明一个实施例的解调参考信号DMRS配置方法的流程示意图；
图2是根据本发明实施例提供的一种解调参考信号DMRS配置装置的结构框图；
图3是根据本发明另一个实施例的解调参考信号DMRS配置方法的流程示意图；
图4是根据本发明实施例提供的另一种解调参考信号DMRS配置装置的结构框图；以及
图5是根据本发明一个实施例的通信设备的结构框图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
为了充分利用传输资源，本发明提出了一种解调参考信号DMRS配置方法，以兼顾覆盖性能的提高和信道的解调性能的保障。
下面结合具体的实施例，详细说明本发明实施例的解调参考信号配置方法，其中，该方法应用于终端设备上，该终端设备包括但不限于移动手机、可穿戴式终端设备等通信设备。
图1是根据本发明实施例提供的一种解调参考信号DMRS配置方法的流程图，其中，包括：
步骤101，获取包括多于一种配置方案的解调参考信号DMRS配置信息。
在本实施例中，为了对上行PUSCH信道做覆盖增强，提出了调整DMRS密度的方案，低密度的DMRS方案可以节约更多的资源用于携带承载数据，并将更多的传输功率分配给PUSCH传输，从而提高信道的编码率。另一方面，高密度的DMRS方案可以提升信道估计的准确度，也可以提升PUSCH性能。
为了平衡上述相互冲突的需求，为不同场景下的不同状态的UE选择配置最佳的DMRS密度，本发明的实施例中，基站向终端设备发送包括多于一种配置方案的解调参考信号DMRS配置信息，DMRS配置信息应该是自适应的，可以根据UE状态和信道状态等动态地选择DMRS配置信息作为目标配置 方案，实现最佳传输和覆盖性能。
在实际执行过程中，可以通过减小DMRS符号长度，减小DMRS时域和频域位置等方式来调整DMRS密度，因此，在本实施例中，每种配置方案可以包括DMRS配置表，DMRS配置表中的每个表格单元，比如每一行可以至少包括以下几种信息中的至少一种：
第一种：DMRS配置索引。
在本示例中，DMRS配置索引可以理解为标识每种配置方案的唯一性的信息，可以为数字编号、文字信息、字幕信息等任意形式。
第二种：DMRS符号长度。
可以理解，DMRS符号长度除了可以为1或者2个符号长度之外，还可以为3个符号或者4个符号等。DMRS符号长度扩展，显然可以提高DMRS密度，DMRS符号长度降低，显然可以降低DMRS密度。
第三种：时域位置。
在本示例中，在重传场景中的实际PUSCH时域资源可以划分为多个时隙，其中，每个时隙可以最多有4个DMRS位置，在本实施例中，DMRS配置表中可以包括DMRS位置对应的时隙位置。
第四种：时域粒度。
在本实施例中，时域粒度是指是否支持联合估计，支持的情况下，时域与多个DMRS做绑定，进行联合信道估计。在重传场景中的实际PUSCH时域资源可以划分为多个时隙，其中，每个时隙最多有4个DMRS位置，在本实施例中，DMRS配置表中可以包括DMRS位置对应的时隙个数，即时域粒度。
第五种：频域位置。
在本实施例中，在重传场景中的频域PUSCH每个RB资源中12个子载波，放DMRS的子载波可以认为是频域位置。，在本实施例中，DMRS配置表中可以包括DMRS位置对应的频域区间，即频域位置。
第六种：频域粒度。
在本实施例中，类似于时域粒度，频域粒度可以理解为绑定DMRS的频域，用于进行联合信道估计。
在一些可能的实施例中，基站等通信设备可以通过无线资源控制(Radio Resource Control，RRC)配置上述提及的DMRS配置表。
步骤102，从多于一种配置方案中选择目标配置方案。
在本示例中，从多于一种配置方案中自适应性的选择适合终端设备的目标配置方案，实现最佳传输和覆盖性能。
综上，本发明实施例的解调参考信号DMRS配置方法，获取基站发送的包括多于一种配置方案的解调参考信号DMRS配置信息，进而，从多于一种配置方案中选择目标配置方案。由此，在提高传输资源的利用率提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以及提高覆盖质量等场景提供了技术支撑。
正如以上提到的，DMRS密度的配置是可以影响覆盖质量的重要指标，因此，在本实施例中，DMRS配置表中的多于一种配置方案主要是包括了不同密度的DMRS配置信息。
在本发明的一个实施例中，DMRS配置表中包括DMRS配置密度由低到高排序的多个配置方案，可以根据场景需要在对应的配置方案中确定目标配置方案。
在本发明的一个实施例中，DMRS配置表中的多于一种配置方案包括至少一种第一类配置方案以及至少一种第二类配置方案，其中，第二类配置方案中的各配置方案提供的DMRS配置密度大于第一类配置方案中各配置方案提供的DMRS配置密度。
即根据DMRS配置表每个配置方案可以限定的DMRS配置密度，将所有的配置方案划分为两类，第一类配置方案中的DMRS配置密度较低，第二类配置方案中的DMRS配置密度较高。
参照下表1，在一些可能的实施例中，该DMRS配置表中可以包括多行，每一行包括对应的DMRS配置索引，以及限制DMRS配置密度的DMRS配置信息，其中，当DMRS配置索引为数字形式时，则 DMRS配置索引1-5可以理解为对应第一类配置方案，第一类配置方案对应的DMRS配置信息所限定的DMRS配置密度较低，DMRS配置索引6-10可以理解为对应第二类配置方案，第二类配置方案对应的DMRS配置信息所限定的DMRS配置密度较高。
表1
DMRS配置索引 DMRS配置信息
1 DMRS配置信息1
2 DMRS配置信息2
3 DMRS配置信息3
4 DMRS配置信息4
5 DMRS配置信息5
6 DMRS配置信息6
7 DMRS配置信息7
8 DMRS配置信息8
9 DMRS配置信息9
10 DMRS配置信息10
由于可以通过减小DMRS符号长度，减小DMRS时域和频域位置等方式来调整DMRS密度，因此，在本实施例中，第一类配置方案中各配置方案提供的DMRS配置密度包括：DMRS符号长度小于等于预设阈值，以及DMRS时域频域位置数量小于等于预设阈值，第二类配置方案中各配置方案提供的DMRS配置密度包括：DMRS符号长度大于预设阈值，以及DMRS时域频域位置数量大于预设阈值。其中，上述与每种DMRS配置密度对应的预设阈值可以根据终端设备的通信状态灵活的设定，不同的预设阈值可以不相同。
进一步的，可以在第一类配置方案和第二类配置方案中根据终端设备的状态来灵活的选择：
第一种选择方式：
在本实施例中，根据信噪比选择。
在本实施例中，如果下行信噪比，或者，下行信道质量指示大于预设阈值，其中，预设阈值根据实验数据标定，则直接表明当前的信号质量并不好，因此，为了保证信号传输性能，节约更多的资源用于携带承载数据，从第一类配置方案中选择目标配置方案。
比如，当第一类配置方案中包括多个低密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个低密度配置方案对应的下行信噪比，或者，下行信道质量所属的范围，将当前终端设备的下行信噪比，或者，下行信道质量与该范围匹配，确定匹配成功的低密度配置方案为目标配置方案。
在本实施例中，如果下行信噪比，或者，下行信道质量指示小于等于预设阈值，其中，预设阈值根据实验数据标定，则直接表明当前的信号质量较好，因此，为了更好的提升PUSCH性能，从第二类配置方案中选择目标配置方案。
比如，当第二类配置方案中包括多个高密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个高密度配置方案对应的下行信噪比，或者，下行信道质量所属的范围，将当前终端设备的下行信噪比，或者，下行信道质量与该范围匹配，确定匹配成功的高密度配置方案为目标配置方案。
第二种选择方式：
在本实施例中，根据终端设备的移动速度选择。
在本实施例中，如果终端设备的移动速度小于等于预设阈值，其中，预设阈值根据实验数据标定，即终端设备处于相对静止的状态，信号的质量尤为重要，因此，为了保证信号传输性能，节约更多的资源用于携带承载数据，从第一类配置方案中选择目标配置方案。
比如，当第一类配置方案中包括多个低密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个低密度配置方案对应的终端设备的移动速度所属的范围，将当前终端设备的终端设备的移动速度与该范围匹配，确定匹配成功的低密度配置方案为目标配置方案。
在本实施例中，如果终端设备的移动速度大于预设阈值，其中，预设阈值根据实验数据标定，即终端设备处在移动状态，则为了更好的提升PUSCH性能，从第二类配置方案中选择目标配置方案。
比如，当第二类配置方案中包括多个高密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个高密度配置方案对应的终端设备的移动速度所属的范围，将当前终端设备的终端设备的移动速度与该范围匹配，确定匹配成功的高密度配置方案为目标配置方案。
第三种选择方式：
在本实施例中，根据终端设备的时隙捆绑个数选择。
在实际通信场景中，逻辑传输资源在时域上划分为多个时隙，每个时隙包含固一定数的符号，每个符号对应于DMRS位置，在实际通信的跨时隙联合信道估计中时隙绑定的个数，若是时隙捆绑个数大于预设阈值，则为了保证信道估计的准确度，从第一类配置方案中选择目标配置方案。
比如，当第一类配置方案中包括多个低密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个低密度配置方案对应的终端设备的时隙捆绑个数的范围，将当前终端设备的时隙捆绑个数与该范围匹配，确定匹配成功的低密度配置方案为目标配置方案。
在本实施例中，如果跨时隙联合信道估计的时隙捆绑个数小于等于预设阈值，从第二类配置方案中选择目标配置方案。
比如，当第二类配置方案中包括多个高密度配置方案时，可以随机选择一个配置方案作为目标配置方案，也可以预先根据实验数据构建每个高密度配置方案对应的终端设备的时隙捆绑个数所属的范围，将当前终端设备的时隙捆绑个数与该范围匹配，确定匹配成功的高密度配置方案为目标配置方案。
第四种选择方式：
在本实施例中，根据数据反馈状态选择。其中，数据反馈状态可以理解为接收端的数据发送请求反馈的状态信息。
在本实施例中，如果数据反馈状态为确认字符(Acknowledgement，ACK)时，则表明基站等通信设备和终端设备的通信质量较好，此时，为了保证信号传输性能，节约更多的资源用于携带承载数据，从第一类配置方案中选择目标配置方案。
比如，当第一类配置方案中包括多个低密度配置方案时，可以随机选择一个配置方案作为目标配置方案。
在本实施例中，如果数据反馈状态为接收端解调失败从而反馈的拒绝字符(NO-Acknowledgement，NACK)时，则表明基站等通信设备和终端设备的通信质量较差，此时，为了更好的提升PUSCH性能，从第二类配置方案中选择目标配置方案。
比如，当第二类配置方案中包括多个高密度配置方案时，可以随机选择一个配置方案作为目标配置方案。
第五种选择方式：
在本实施例中，由基站直接指示终端设备的配置方案。
在本示例中，接收基站发送的包括DMRS配置索引的下行控制信息(Downlink Control Information，DCI)，其中，DMRS配置索引可以为数字形式，可以为字母形式等唯一标识配置方案唯一性的任意信息。
在本实施例中，还可以接收基站发送的包括DMRS配置索引控制层控制单元信息(Mediaaccesscontrol-Controlelement，MAC-CE)。
由此，在本实施例中，原标准PUSCH的DMRS是半静态配置，本实施例中，可以采用采用高层 配置+底层选择的方式，比如，采用RRC配置+DCI动态指示/，或者采用RRC配置+MAC-CE动态激活，或者是MAC配置+DCI动态选择等。
综上，本发明实施例的解调参考信号配置方法，灵活根据终端设备的状态信息适配DMRS配置方案，实现最佳传输和覆盖性能。
与上述几种实施例提供的解调参考信号DMRS配置方法相对应，本发明还提供一种解调参考信号DMRS配置装置，由于本发明实施例提供的解调参考信号DMRS配置装置与上述几种实施例提供的方法相对应，因此在解调参考信号DMRS配置方法的实施方式也适用于本实施例提供的解调参考信号DMRS配置装置，在本实施例中不再详细描述。
图2是根据本发明一个实施例的解调参考信号DMRS配置装置的结构示意图，该装置应用在终端设备，如图2所示，该解调参考信号配置装置包括：获取模块201、选择模块202，其中，
获取模块201，用于获取包括多于一种配置方案的解调参考信号DMRS配置信息；
选择模块202，用于从多于一种配置方案中选择目标配置方案。
综上，本发明实施例的解调参考信号DMRS配置装置，获取基站发送的包括多于一种配置方案的解调参考信号DMRS配置信息，进而，从多于一种配置方案中选择目标配置方案。由此，在提高了对传输资源的利用率以提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以提高覆盖质量等场景提供了技术支撑。
为了实现上述实施例，本发明还提出了一种解调参考信号DMRS配置方法。该方法应用在基站侧，图3是根据本发明一个实施例的解调参考信号DMRS配置方法的流程图，如图3所示，该方法包括：
步骤301，发送包括多于一种配置方案的DMRS配置信息。
在本实施例中，为了对上行PUSCH信道做覆盖增强，提出了调整DMRS密度的方案，低密度的DMRS方案可以节约更多的资源用于携带承载数据，并将更多的传输功率分配给PUSCH传输，从而提高信道的编码率。另一方面，高密度的DMRS方案可以提升信道估计的准确度，也可以提升PUSCH性能。
为了平衡上述相互冲突的需求，为不同场景下的不同状态的UE选择配置最佳的DMRS密度，本发明的实施例中，基站向终端设备发送包括多于一种配置方案的解调参考信号DMRS配置信息，DMRS配置信息应该是自适应的，可以根据UE状态和信道状态等动态地选择DMRS配置信息作为目标配置方案，实现最佳传输和覆盖性能。
在实际执行过程中，可以通过减小DMRS符号长度，减小DMRS时域和频域位置等方式来调整DMRS密度，因此，在本实施例中，每种配置方案可以包括DMRS配置表，DMRS配置表中的每个表格单元，比如每一行可以至少包括以下几种信息中的至少一种：
第一种：DMRS配置索引。
在本示例中，DMRS配置索引可以理解为标识每种配置方案的唯一性的信息，可以为数字编号、文字信息、字幕信息等任意形式。
第二种：DMRS符号长度。
可以理解，DMRS符号长度除了可以为1或者2个符号长度之外，还可以为3个符号或者4个符号等。DMRS符号长度扩展，显然可以提高DMRS密度，DMRS符号长度降低，显然可以降低DMRS密度。
第三种：时域位置。
在本示例中，在重传场景中的实际PUSCH时域资源可以划分为多个时隙，其中，每个时隙可以最多有4个DMRS位置，在本实施例中，DMRS配置表中可以包括DMRS位置对应的时隙位置。
第四种：时域粒度。
在本实施例中，时域粒度是指是否支持联合估计，支持的情况下，时域与多个DMRS做绑定，进行联合信道估计。在重传场景中的实际PUSCH时域资源可以划分为多个时隙，其中，每个时隙最多有 4个DMRS位置，在本实施例中，DMRS配置表中可以包括DMRS位置对应的时隙个数，即时域粒度。
第五种：频域位置。
在本实施例中，在重传场景中的频域PUSCH每个RB资源中12个子载波，放DMRS的子载波可以认为是频域位置。，在本实施例中，DMRS配置表中可以包括DMRS位置对应的频域区间，即频域位置。
第六种：频域粒度。
在本实施例中，类似于时域粒度，频域粒度可以理解为绑定DMRS的频域，用于进行联合信道估计。
在一些可能的实施例中，基站等通信设备可以通过无线资源控制(Radio Resource Control，RRC)配置上述提及的DMRS配置表。
步骤302，指示终端设备从多于一种配置方案中选择目标配置方案。
在本示例中，指示终端设备从多于一种配置方案中自适应性的选择适合终端设备的目标配置方案，实现最佳传输和覆盖性能。
综上，本发明实施例的解调参考信号DMRS配置方法，发送的包括多于一种配置方案的解调参考信号DMRS配置信息，进而，指示终端设备从多于一种配置方案中选择目标配置方案。由此，在提高传输资源的利用率提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以及提高覆盖质量等场景提供了技术支撑。
与上述几种实施例提供的解调参考信号DMRS配置方法相对应，本发明还提供一种解调参考信号DMRS配置装置，由于本发明实施例提供的解调参考信号DMRS配置装置与上述几种实施例提供的方法相对应，因此在解调参考信号DMRS配置方法的实施方式也适用于本实施例提供的解调参考信号DMRS配置装置，在本实施例中不再详细描述。
图4是根据本发明一个实施例的解调参考信号DMRS配置装置的结构示意图，该装置应用在终端设备，如图4所示，该解调参考信号配置装置包括：发送模块401和指示模块402，其中，
发送模块401，用于发送包括多于一种配置方案的DMRS配置信息；
指示模块402，用于指示终端设备从多于一种配置方案中选择目标配置方案。
综上，本发明实施例的解调参考信号DMRS配置装置，发送包括多于一种配置方案的解调参考信号DMRS配置信息，进而，指示终端设备从多于一种配置方案中选择目标配置方案。由此，在提高了对传输资源的利用率以提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以提高覆盖质量等场景提供了技术支撑。
根据本发明的实施例，本发明还提供了一种通信设备和一种可读存储介质。
如图5所示，是根据本发明实施例的解调参考信号配置的通信设备的框图。通信设备旨在表示各种形式的数字计算机，诸如，膝上型计算机、台式计算机、工作台、个人数字助理、服务器、刀片式服务器、大型计算机、和其它适合的计算机。通信设备还可以表示各种形式的移动装置，诸如，个人数字处理、蜂窝电话、智能电话、可穿戴设备和其它类似的计算装置。本文所示的部件、它们的连接和关系、以及它们的功能仅仅作为示例，并且不意在限制本文中描述的和/或者要求的本发明的实现。
如图5所示，该通信设备包括：一个或多个处理器501、存储器502，以及用于连接各部件的接口，包括高速接口和低速接口。各个部件利用不同的总线互相连接，并且可以被安装在公共主板上或者根据需要以其它方式安装。处理器可以对在通信设备内执行的指令进行处理，包括存储在存储器中或者存储器上以在外部输入/输出装置(诸如，耦合至接口的显示设备)上显示GUI的图形信息的指令。在其它实施方式中，若需要，可以将多个处理器和/或多条总线与多个存储器和多个存储器一起使用。同样，可以连接多个通信设备，各个设备提供部分必要的操作(例如，作为服务器阵列、一组刀片式服务器、或者多处理器系统)。图5中以一个处理器501为例。
存储器502即为本发明所提供的非瞬时计算机可读存储介质。其中，所述存储器存储有可由至少一 个处理器执行的指令，以使所述至少一个处理器执行本发明所提供的解调参考信号配置方法。本发明的非瞬时计算机可读存储介质存储计算机指令，该计算机指令用于使计算机执行本发明所提供的解调参考信号配置方法。
存储器502作为一种非瞬时计算机可读存储介质，可用于存储非瞬时软件程序、非瞬时计算机可执行程序以及模块，如本发明实施例中的解调参考信号DMRS配置对应的程序指令/模块。处理器501通过运行存储在存储器502中的非瞬时软件程序、指令以及模块，从而执行服务器的各种功能应用以及数据处理，即实现上述方法实施例中的解调参考信号配置方法。
存储器502可以包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需要的应用程序；存储数据区可存储根据定位通信设备的使用所创建的数据等。此外，存储器502可以包括高速随机存取存储器，还可以包括非瞬时存储器，例如至少一个磁盘存储器件、闪存器件、或其他非瞬时固态存储器件。可选地，存储器502可选包括相对于处理器501远程设置的存储器，这些远程存储器可以通过网络连接至定位通信设备。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
执行解调参考信号配置的通信设备还可以包括：输入装置503和输出装置504。处理器501、存储器502、输入装置503和输出装置504可以通过总线或者其他方式连接，图5中以通过总线连接为例。
输入装置503可接收输入的数字或字符信息，以及产生与定位通信设备的用户设置以及功能控制有关的键信号输入，例如触摸屏、小键盘、鼠标、轨迹板、触摸板、指示杆、一个或者多个鼠标按钮、轨迹球、操纵杆等输入装置。输出装置504可以包括显示设备、辅助照明装置(例如，LED)和触觉反馈装置(例如，振动电机)等。该显示设备可以包括但不限于，液晶显示器(LCD)、发光二极管(LED)显示器和等离子体显示器。在一些实施方式中，显示设备可以是触摸屏。
此处描述的系统和技术的各种实施方式可以在数字电子电路系统、集成电路系统、专用ASIC(专用集成电路)、计算机硬件、固件、软件、和/或它们的组合中实现。这些各种实施方式可以包括：实施在一个或者多个计算机程序中，该一个或者多个计算机程序可在包括至少一个可编程处理器的可编程系统上执行和/或解释，该可编程处理器可以是专用或者通用可编程处理器，可以从存储系统、至少一个输入装置、和至少一个输出装置接收数据和指令，并且将数据和指令传输至该存储系统、该至少一个输入装置、和该至少一个输出装置。
这些计算程序(也称作程序、软件、软件应用、或者代码)包括可编程处理器的机器指令，并且可以利用高级过程和/或面向对象的编程语言、和/或汇编/机器语言来实施这些计算程序。如本文使用的，术语“机器可读介质”和“计算机可读介质”指的是用于将机器指令和/或数据提供给可编程处理器的任何计算机程序产品、设备、和/或装置(例如，磁盘、光盘、存储器、可编程逻辑装置(PLD))，包括，接收作为机器可读信号的机器指令的机器可读介质。术语“机器可读信号”指的是用于将机器指令和/或数据提供给可编程处理器的任何信号。
为了提供与用户的交互，可以在计算机上实施此处描述的系统和技术，该计算机具有：用于向用户显示信息的显示装置(例如，CRT(阴极射线管)或者LCD(液晶显示器)监视器)；以及键盘和指向装置(例如，鼠标或者轨迹球)，用户可以通过该键盘和该指向装置来将输入提供给计算机。其它种类的装置还可以用于提供与用户的交互；例如，提供给用户的反馈可以是任何形式的传感反馈(例如，视觉反馈、听觉反馈、或者触觉反馈)；并且可以用任何形式(包括声输入、语音输入或者、触觉输入)来接收来自用户的输入。
可以将此处描述的系统和技术实施在包括后台部件的计算系统(例如，作为数据服务器)、或者包括中间件部件的计算系统(例如，应用服务器)、或者包括前端部件的计算系统(例如，具有图形用户界面或者网络浏览器的用户计算机，用户可以通过该图形用户界面或者该网络浏览器来与此处描述的系统和技术的实施方式交互)、或者包括这种后台部件、中间件部件、或者前端部件的任何组合的计算系统中。可以通过任何形式或者介质的数字数据通信(例如，通信网络)来将系统的部件相互连接。通信网络的示例包括：局域网(LAN)、广域网(WAN)和互联网。
计算机系统可以包括客户端和服务器。客户端和服务器一般远离彼此并且通常通过通信网络进行交 互。通过在相应的计算机上运行并且彼此具有客户端-服务器关系的计算机程序来产生客户端和服务器的关系。
本发明实施例的执行解调参考信号配置方法的服务器，终端设备获取基站发送的包括多于一种配置方案的解调参考信号DMRS配置信息，进而，终端设备从多于一种配置方案中选择目标配置方案。由此，在提高了对传输资源的利用率以提高覆盖性能的同时，不影响对信号的解调性能，为重传信息以提高覆盖质量等场景提供了技术支撑。
应该理解，可以使用上面所示的各种形式的流程，重新排序、增加或删除步骤。例如，本发申请中记载的各步骤可以并行地执行也可以顺序地执行也可以不同的次序执行，只要能够实现本发明公开的技术方案所期望的结果，本文在此不进行限制。
上述具体实施方式，并不构成对本发明保护范围的限制。本领域技术人员应该明白的是，根据设计要求和其他因素，可以进行各种修改、组合、子组合和替代。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明保护范围之内。

Claims (15)

  1. 一种解调参考信号DMRS配置方法，其特征在于，所述方法应用于终端设备，包括：
    获取包括多于一种配置方案的DMRS配置信息；
    从所述多于一种配置方案中选择目标配置方案。
  2. 根据权利要求1所述的方法，其特征在于，所述包括多于一种配置方案的DMRS配置信息，包括：
    获取包括多于一种配置方案的DMRS配置表，其中，每种所述配置方案至少包括以下信息之一：
    DMRS配置索引、DMRS符号长度，时域位置、时域粒度、频域位置和频域粒度。
  3. 根据权利要求2所述的方法，其特征在于，还包括：
    获取通过RRC配置的所述DMRS配置表。
  4. 根据权利要求2所述的方法，其特征在于，所述DMRS配置表中的多于一种配置方案包括：
    至少一种第一类配置方案以及至少一种第二类配置方案，其中，所述第二类配置方案提供的DMRS配置密度大于所述第一类配置方案提供的DMRS配置密度。
  5. 根据权利要求4所述的方法，其特征在于，
    所述第一类配置方案提供的DMRS配置密度包括：DMRS符号长度小于等于预设阈值，以及DMRS时域频域位置数量小于等于预设阈值；
    所述第二类配置方案提供的DMRS配置密度包括：DMRS符号长度大于预设阈值，以及DMRS时域频域位置数量大于预设阈值。
  6. 根据权利要求5所述的方法，其特征在于，所述从所述多于一种配置方案中选择目标配置方案，包括：
    如果下行信噪比，或者，下行信道质量指示大于预设阈值，从所述第一类配置方案中选择目标配置方案；
    如果下行信噪比，或者，下行信道质量指示小于等于预设阈值，从所述第二类配置方案中选择目标配置方案。
  7. 根据权利要求5所述的方法，其特征在于，所述从所述多于一种配置方案中选择目标配置方案，包括：
    如果所述终端设备的移动速度小于等于预设阈值，从所述第一类配置方案中选择目标配置方案；
    如果所述终端设备的移动速度大于预设阈值，从所述第二类配置方案中选择目标配置方案。
  8. 根据权利要求5所述的方法，其特征在于，所述从所述多于一种配置方案中选择目标配置方案，包括：
    如果跨时隙信道估计的时隙捆绑个数大于预设阈值，从所述第一类配置方案中选择目标配置方案；
    如果跨时隙信道估计的时隙捆绑个数小于等于预设阈值，从所述第二类配置方案中选择目标配置方案。
  9. 根据权利要求5所述的方法，其特征在于，所述从所述多于一种配置方案中选择目标配置方案，包括：
    如果数据反馈状态为ACK时，从所述第一类配置方案中选择目标配置方案；
    如果数据反馈状态为NACK时，从所述第二类配置方案中选择目标配置方案。
  10. 根据权利要求2所述的方法，其特征在于，所述从所述多于一种配置方案中选择目标配置方案，包括：
    接收包括所述DMRS配置索引的下行控制信息DCI，或者，
    接收包括所述DMRS配置索引的MAC-CE。
  11. 一种解调参考信号DMRS配置方法，其特征在于，所述方法应用于基站，包括：
    发送包括多于一种配置方案的DMRS配置信息；
    指示终端设备从所述多于一种配置方案中选择目标配置方案。
  12. 一种解调参考信号配置装置，其特征在于，所述装置应用于终端设备，包括：
    获取模块，用于获取包括多于一种配置方案的解调参考信号DMRS配置信息；
    选择模块，用于从所述多于一种配置方案中选择目标配置方案。
  13. 一种解调参考信号DMRS配置装置，其特征在于，所述装置应用于基站，包括：
    发送模块，用于发送包括多于一种配置方案的DMRS配置信息；
    指示模块，用于指示终端设备从所述多于一种配置方案中选择目标配置方案。
  14. 一种通信设备，其特征在于，包括处理器、收发器、存储器以及存储在所述存储器上的计算机程序，所述处理器运行所述计算机程序，以实现如权利要求1-10任一项或11所述的解调参考信号DMRS配置方法。
  15. 一种处理器可读存储介质，其特征在于，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行权利要求1-10任一项或11所述的解调参考信号DMRS配置方法。
PCT/CN2020/142424 2020-12-31 2020-12-31 解调参考信号dmrs配置方法、装置、设备及其存储介质 WO2022141525A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080004039.4A CN115066853A (zh) 2020-12-31 2020-12-31 解调参考信号dmrs配置方法、装置、设备及其存储介质
PCT/CN2020/142424 WO2022141525A1 (zh) 2020-12-31 2020-12-31 解调参考信号dmrs配置方法、装置、设备及其存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/142424 WO2022141525A1 (zh) 2020-12-31 2020-12-31 解调参考信号dmrs配置方法、装置、设备及其存储介质

Publications (1)

Publication Number Publication Date
WO2022141525A1 true WO2022141525A1 (zh) 2022-07-07

Family

ID=82260133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/142424 WO2022141525A1 (zh) 2020-12-31 2020-12-31 解调参考信号dmrs配置方法、装置、设备及其存储介质

Country Status (2)

Country Link
CN (1) CN115066853A (zh)
WO (1) WO2022141525A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108111267A (zh) * 2017-05-05 2018-06-01 中兴通讯股份有限公司 信号的传输方法和系统及控制信息的发送方法和装置
CN109391441A (zh) * 2017-08-11 2019-02-26 电信科学技术研究院 一种控制信息的发送方法、接收方法、基站及终端
CN111884963A (zh) * 2015-11-05 2020-11-03 华为技术有限公司 一种参考信号的传输设备、方法和系统
US20200367242A1 (en) * 2017-04-28 2020-11-19 Electronics And Telecommunications Research Institute Method for transmitting and receiving downlink channel and reference signal in communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108111291B (zh) * 2013-01-25 2021-08-20 华为技术有限公司 解调参考信号传输装置和计算机可读存储介质
WO2019022456A2 (ko) * 2017-07-23 2019-01-31 엘지전자 주식회사 무선 통신 시스템에서 데이터를 송수신하는 방법 및 이를 위한 장치
US11071098B2 (en) * 2017-11-17 2021-07-20 Qualcomm Incorporated Techniques to jointly configure demodulation reference signals
US11658780B2 (en) * 2019-01-09 2023-05-23 Qualcomm Incorporated Demodulation reference signal multiplexing scheme selection for uplink transmission
ES2945636T3 (es) * 2019-04-01 2023-07-05 Vivo Mobile Communication Co Ltd Configuración y adaptación de la señal de referencia de demodulación

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111884963A (zh) * 2015-11-05 2020-11-03 华为技术有限公司 一种参考信号的传输设备、方法和系统
US20200367242A1 (en) * 2017-04-28 2020-11-19 Electronics And Telecommunications Research Institute Method for transmitting and receiving downlink channel and reference signal in communication system
CN108111267A (zh) * 2017-05-05 2018-06-01 中兴通讯股份有限公司 信号的传输方法和系统及控制信息的发送方法和装置
CN109391441A (zh) * 2017-08-11 2019-02-26 电信科学技术研究院 一种控制信息的发送方法、接收方法、基站及终端

Also Published As

Publication number Publication date
CN115066853A (zh) 2022-09-16

Similar Documents

Publication Publication Date Title
US11277222B2 (en) Data transmission method and communications device
JP2016521033A (ja) 縮小されたｄｍｒｓ構成、ならびにｄｍｒｓ構成を適応的に選択するための方法および装置
WO2017024559A1 (zh) 数据传输的方法、终端设备、基站和通信系统
US11595964B2 (en) Method and device for determining information domain value in DCI
TW202007205A (zh) 一種發送實體下行控制通道的配置資訊的方法及裝置
WO2018083864A1 (ja) ユーザ装置及び上り信号送信方法
WO2018083868A1 (ja) ユーザ装置及び上り信号送信方法
US20230421335A1 (en) Transmission method and apparatus
WO2020200001A1 (zh) 一种速率匹配方法、装置和存储介质
WO2022126318A1 (zh) 直连通信方法、装置、通信设备和存储介质
US20220322415A1 (en) Methods performed by user equipment or base station, user equipment and base station
WO2021164477A1 (zh) 传输方法、装置、设备及计算机可读存储介质
WO2020259654A1 (zh) 一种无线通信的方法、设备及系统
WO2018028532A1 (zh) 一种控制信道传输方法、装置及系统
WO2022141525A1 (zh) 解调参考信号dmrs配置方法、装置、设备及其存储介质
WO2022152105A1 (zh) 信道状态信息的上报方法、装置及终端
WO2022151406A1 (zh) 一种跳频的控制方法及装置
WO2022109934A1 (zh) 一种信号传输方法及装置
WO2022099550A1 (zh) 上行覆盖增强方法、装置、通信设备及存储介质
WO2022151102A1 (zh) 调度请求资源的确定方法、装置及通信设备
US20240187151A1 (en) Frequency hopping control method and apparatus
JP2024512389A (ja) 半静的ｈａｒｑ－ａｃｋコードブックの生成方法及び端末
WO2022126654A1 (zh) 解调参考信号映射、装置、设备及其存储介质
US20240250731A1 (en) Information transmission method and apparatus, communication node, and storage medium
WO2022165760A1 (zh) 提前终止方法、装置、通信设备及存储介质

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20967863

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20967863

Country of ref document: EP

Kind code of ref document: A1