WO2022198412A1 - Procédé et appareil d'estimation de canaux conjointe - Google Patents

Procédé et appareil d'estimation de canaux conjointe Download PDF

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Publication number
WO2022198412A1
WO2022198412A1 PCT/CN2021/082184 CN2021082184W WO2022198412A1 WO 2022198412 A1 WO2022198412 A1 WO 2022198412A1 CN 2021082184 W CN2021082184 W CN 2021082184W WO 2022198412 A1 WO2022198412 A1 WO 2022198412A1
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WO
WIPO (PCT)
Prior art keywords
channel estimation
joint channel
terminal device
frequency
window
Prior art date
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PCT/CN2021/082184
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English (en)
Chinese (zh)
Inventor
李媛媛
Original Assignee
北京小米移动软件有限公司
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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 PCT/CN2021/082184 priority Critical patent/WO2022198412A1/fr
Priority to CN202180000758.3A priority patent/CN113439421B/zh
Publication of WO2022198412A1 publication Critical patent/WO2022198412A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a joint channel estimation method and device thereof.
  • Coverage is one of the key factors that operators need to consider when conducting network commercial operations. Through channel estimation, relevant parameters of network coverage can be obtained, and then information such as the range and quality of network coverage can be determined.
  • the wireless channel has a great impact on the performance of the wireless communication system.
  • the transmission of high-frequency signals will cause the wireless channel to suffer from higher path loss.
  • the parameter information of the wireless channel can be obtained through channel estimation, so that the receiving end can Therefore, how to efficiently perform channel estimation to obtain accurate parameter information of the wireless channel becomes a problem that needs to be solved.
  • the embodiments of the present application propose a joint channel estimation method and a device thereof, which can be used to solve the problem of improving the accuracy of channel estimation in the related art.
  • an embodiment of the present application proposes a joint channel estimation method, which is applied to a terminal device.
  • the method includes: acquiring the number of windows in a joint channel estimation window; using the same frequency resources and precoded for transmission.
  • the terminal device After the terminal device obtains the number of windows of the joint channel estimation window, it uses the same frequency resource and precoding method for transmission in each joint channel estimation window.
  • the joint channel estimation window is used to realize joint channel estimation for multiple wireless channels, which improves the efficiency of channel estimation.
  • the same low-frequency resources and precoding methods are used for signal transmission, which ensures joint channel estimation. It can effectively improve the reliability of transmission, and then obtain accurate coverage parameter information.
  • the joint channel estimation method proposed in the first aspect of the present application may also have the following technical features:
  • the joint channel estimation method further includes: receiving configuration signaling from the network device, where the configuration signaling includes at least one of the following: a maximum number of transmissions for joint channel estimation; and the joint channel estimation The number of one or more candidate windows for the channel estimation window.
  • the joint channel estimation method further includes: receiving control signaling from the network device, where the control signaling is used to activate one of the number of candidate windows as the joint channel estimation The number of windows for the window.
  • the joint channel estimation method further includes: occupying the same starting position on the frequency resource block during transmission.
  • the joint channel estimation method further includes: in response to the frequency hopping mechanism being activated and being configured with a frequency offset, in each joint channel estimation window according to the frequency offset Transmission after frequency hopping.
  • the joint channel estimation method further includes: in response to the frequency hopping mechanism being activated and two frequency offsets being configured, determining an odd-numbered joint channel estimation window and an even-numbered joint channel estimation window respectively correspond to one of the two frequency offsets; and each joint channel estimation window performs frequency hopping after frequency hopping according to the respective corresponding frequency offsets.
  • an embodiment of the present application further proposes a joint channel estimation method, which is applied to a network device.
  • the method includes: sending the number of windows of the joint channel estimation window to the terminal device; The same frequency resources and precoding methods are used for transmission within the system; joint channel estimation is performed based on the said transmission.
  • a joint channel estimation method proposed in the second aspect of the present application may also have the following technical features:
  • the joint channel estimation method further includes: receiving, by the terminal device, configuration signaling from, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the joint channel estimation The number of one or more candidate windows for the channel estimation window.
  • the joint channel estimation method further includes: sending control signaling to the terminal device, where the control signaling is used to activate one of the number of candidate windows.
  • the joint channel estimation method further includes: receiving the transmission of the terminal device at the same starting position of the frequency resource block corresponding to each joint channel estimation window.
  • the joint channel estimation method further includes: activating an activation frequency hopping mechanism of the terminal equipment, and configuring a frequency offset for the terminal equipment; The transmission is performed after frequency hopping according to the frequency offset within the joint channel estimation window.
  • the joint channel estimation method further includes: activating an activation frequency hopping mechanism of the terminal equipment, and configuring two frequency offsets for the terminal equipment; The transmission performed after frequency hopping according to one of the two frequency offsets in the joint channel estimation window of transmission performed.
  • an embodiment of the present application proposes a joint channel estimation apparatus, which has part or all of the functions of the terminal device in the method described in the first aspect above.
  • the function of the joint channel estimation apparatus may have the Some or all of the functions in the embodiments may also have the functions of independently implementing any of the embodiments of the present application.
  • the functions can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the communication device may include a transceiver module and a processing module, and the processing module is configured to support the communication device to perform the corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module for coupling with the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory
  • an embodiment of the present application proposes a joint channel estimation apparatus, which has part or all of the functions of the network equipment in the method described in the second aspect above.
  • the function of the joint channel estimation apparatus may have the Some or all of the functions in the embodiments may also have the functions of independently implementing any of the embodiments of the present application.
  • the functions can be implemented by hardware, or can be implemented by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the structure of the joint channel estimation apparatus may include a transceiver module and a processing module, and the processing module is configured to support the communication apparatus to perform the corresponding functions in the above method.
  • the transceiver module is used to support communication between the communication device and other devices.
  • the communication device may further include a storage module for coupling with the transceiver module and the processing module, which stores necessary computer programs and data for the communication device.
  • the processing module may be a processor
  • the transceiver module may be a transceiver or a communication interface
  • the storage module may be a memory
  • an embodiment of the present application provides a communication device, the communication device includes a processor, and when the processor calls a computer program in a memory, the method described in the first aspect is executed.
  • an embodiment of the present application provides a communication device, where the communication device includes a processor, and when the processor invokes a computer program in a memory, the method described in the second aspect above is executed.
  • an embodiment of the present application provides a communication device, the device includes a processor and a memory, where a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the The apparatus performs the method described in the first aspect above.
  • an embodiment of the present application provides a communication device, the device includes a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the The apparatus performs the method described in the second aspect above.
  • an embodiment of the present application provides a communication device, including: a processor and an interface circuit; the interface circuit is configured to receive code instructions and transmit them to the processor; the processor is configured to run the Code instructions to perform the method described in the first aspect above.
  • the present application provides a communication device, comprising: a processor and an interface circuit; the interface circuit is configured to receive a code instruction and transmit it to the processor; the processor is configured to execute the code instruction to perform the method described in the second aspect above.
  • an embodiment of the present application provides a communication system, where the system includes the communication device described in the third aspect and the communication device described in the fourth aspect, or the system includes the communication device described in the fifth aspect and The communication device of the sixth aspect, or the system includes the communication device of the seventh aspect and the communication device of the eighth aspect, or the system includes the communication device of the ninth aspect and the tenth aspect. the communication device described.
  • an embodiment of the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed, the method described in the first aspect above is implemented.
  • an embodiment of the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed, the method described in the second aspect above is implemented.
  • the present application further provides a computer program product comprising a computer program, which, when run on a computer, causes the computer to execute the method described in the first aspect.
  • the present application further provides a computer program product comprising a computer program, which, when run on a computer, causes the computer to execute the method described in the second aspect above.
  • the present application proposes a chip system
  • the chip system includes at least one processor and an interface for supporting a terminal device to implement the functions involved in the first aspect, for example, determining or processing data involved in the above method and at least one of information.
  • the chip system further includes a memory for storing necessary computer programs and data of the terminal device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present application provides a chip system
  • the chip system includes at least one processor and an interface for supporting a network device to implement the functions involved in the second aspect, for example, determining or processing data involved in the above method and at least one of information.
  • the chip system further includes a memory for storing necessary computer programs and data of the network device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the present application provides a computer program, which, when executed on a computer, causes the computer to execute the method described in the first aspect.
  • the present application provides a computer program, which, when executed on a computer, causes the computer to execute the method described in the second aspect above.
  • FIG. 1 is a schematic diagram of the architecture of a communication system proposed by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a joint channel estimation method according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 8 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 9 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a joint channel estimation apparatus according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • RRC Radio Resource Control
  • RRC also known as Radio Resource Management (RRM) or Radio Resource Allocation (RRA) refers to the management, control and scheduling of radio resources through certain strategies and means. , make full use of limited wireless network resources as much as possible, ensure that the planned coverage area is reached, and improve service capacity and resource utilization as much as possible.
  • RRM Radio Resource Management
  • RRA Radio Resource Allocation
  • channel estimation is the estimation of the system impulse response. It should be emphasized that channel estimation is a mathematical representation of the effect of the channel on the input signal, and a "good" channel estimation is an estimation algorithm that minimizes some estimation error.
  • Propagation loss refers to the loss caused by the propagation of radio waves in space. It is the amount of loss introduced by the propagation environment between the transmitter and the receiver, which is caused by the radiation diffusion of the transmit power and the propagation characteristics of the channel.
  • the basic scheduling unit in the frequency domain for data channel resource allocation is 12 sub-carriers in the frequency domain, which is a frequency domain concept and does not define the time domain.
  • FIG. 1 is a schematic structural diagram of a communication system proposed by an embodiment of the present application.
  • the communication system may include, but is not limited to, a network device and a terminal device.
  • the number and shape of the devices shown in FIG. 1 are only for examples and do not constitute limitations to the embodiments of the present application. In practical applications, two or more devices may be included. network equipment, two or more terminal equipment.
  • the communication system shown in FIG. 1 includes a network device 101 and a terminal device 102 as an example.
  • LTE long term evolution
  • 5G fifth generation
  • NR 5G new radio
  • the network device 101 in this embodiment of the present application is an entity on the network side for transmitting or receiving signals.
  • the network device 101 may be an evolved base station (evolved NodeB, eNB), a transmission point (transmission reception point, TRP), a next generation base station (next generation NodeB, gNB) in an NR system, or a base station in other future mobile communication systems Or an access node in a wireless fidelity (WiFi) system, etc.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the network device.
  • the network device proposed in the embodiments of the present application may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU).
  • the structure of the network equipment such as the protocol layer of the base station, can be split, and the functions of some protocol layers are centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 102 in this embodiment of the present application is an entity on the user side that is used to receive or transmit signals, such as a mobile phone.
  • a terminal device may also be referred to as a terminal device (terminal), a user equipment (UE), a mobile station (mobile station, MS), a mobile terminal device (mobile terminal, MT), and the like.
  • the terminal device can be a car with a communication function, a smart car, a mobile phone (mobile phone), a wearable device, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (virtual reality, VR) terminal device, augmented reality (augmented reality (AR) terminal equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical surgery, smart grid ( Wireless terminal equipment in smart grid), wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, etc.
  • the embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal device.
  • FIG. 2 is a schematic flowchart of a joint channel estimation method according to an embodiment of the present application. The method is applied to a terminal device. As shown in FIG. 2 , the method includes:
  • a channel estimation method can be used, and in general, transmission can be performed between multiple wireless channels and a network device.
  • joint channel estimation may be performed for multiple wireless channels, thereby improving the efficiency of channel estimation.
  • Joint channel estimation refers to channel estimation for more than one wireless channel.
  • the number of wireless channels for each joint channel estimation is determined by the number of windows (bundle size) of the joint channel estimation window.
  • the number of windows of the joint channel estimation window defines the number of wireless channels involved in the joint channel estimation.
  • the terminal device may obtain the number of windows of the joint channel estimation window.
  • the number of windows of the joint channel estimation window may be agreed upon through a protocol.
  • the terminal device may acquire the number of windows of the joint channel estimation window based on an indication from the network side.
  • the terminal device may receive indication information sent by the network device, where the indication information may indicate the number of windows of the joint channel estimation window.
  • the indication information may be carried by control signaling, such as downlink control information (downlink control information, DCI) signaling or other signaling.
  • the network device obtains the parameter information of the wireless channel by receiving the signal transmitted by the wireless channel, and then realizes the channel estimation of the wireless channel.
  • the terminal device may determine the number of the joint channel estimation windows involved in the joint channel estimation process. Further, the terminal device transmits data or information with the network device within each joint channel estimation window, so that the network device can perform joint channel estimation based on the received transmission. In order to ensure the accuracy of the joint channel estimation, the terminal device can transmit data or information to the network device using the same frequency resource and precoding method used in each joint channel estimation window. By using the same transmission mode to transmit to the network device, the accuracy of the joint channel estimation result can be ensured, and the problem of inaccurate joint channel estimation caused by different transmission modes can be avoided.
  • the terminal device After the terminal device obtains the number of windows of the joint channel estimation window, it uses the same frequency resource and precoding method for transmission in each joint channel estimation window.
  • the joint channel estimation window is used to realize joint channel estimation for multiple wireless channels, which improves the efficiency of channel estimation.
  • the same frequency resources and precoding methods are used for signal transmission, which ensures joint channel estimation. It can effectively improve the reliability of transmission, and then accurately obtain the covered parameter information.
  • FIG. 3 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application. The method is applied to a terminal device, and the method includes:
  • S301 Receive configuration signaling from a network device, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the number of multiple candidate windows for the joint channel estimation window.
  • the terminal device may receive configuration signaling sent by the network device, and the configuration signaling may include the maximum number of transmissions for joint channel estimation and/or the number of multiple candidate windows for the joint channel estimation window.
  • the command may be high-layer signaling, for example, the configuration signaling may be Radio Resource Control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the configuration signaling may include multiple candidate window numbers for the joint channel estimation window.
  • the network device may indicate the maximum number of transmissions for joint channel estimation to the terminal device through additional signaling or the maximum number of transmissions for joint channel estimation agreed upon in a protocol.
  • the configuration signaling may include the maximum number of transmissions for the joint channel estimation and the number of multiple candidate windows for the joint channel estimation window.
  • multiple candidate window quantities may form a configuration set. It can be understood that the terminal device can receive configuration signaling that simultaneously carries the maximum number of transmissions and the configuration set. In other implementations, the configuration signaling may send the maximum number of transmissions first, and then send the number of multiple candidate windows of the joint channel estimation window.
  • the terminal device can obtain the number of windows of multiple joint channel estimation windows as candidates based on the configuration signaling.
  • S302 Receive control signaling from the network device, where the control signaling is used to activate one of the number of candidate windows as the number of windows of the joint channel estimation window.
  • the terminal device receives the control signaling from the network device, and activates one of the candidate windows of the multiple joint channel estimation windows as the number of windows of the current joint channel estimation window.
  • control signaling may be DCI signaling or other signaling.
  • the terminal device After the terminal device activates the number of windows of the joint channel estimation window based on the acquired control signaling sent by the network device, it can use the same frequency resource and precoding method in the window of the joint channel estimation window according to the maximum number of transmissions of the joint channel estimation window. for signal transmission.
  • the maximum number of transmissions for joint channel estimation is set to 16
  • the number of candidate windows for the joint channel estimation window is 2, 4, and 8, respectively
  • the control signaling of the network device activates 8 of the number of candidate windows as joint channel estimation. If the number of windows is the same, the terminal equipment uses the same frequency resource and precoding method to transmit signals within the windows of 8 joint channel estimation windows, and each window of the joint channel estimation window transmits twice.
  • the maximum number of transmissions for joint channel estimation is set to 32 times
  • the number of candidate windows for the joint channel estimation window is 2, 4, 8, and 16, respectively
  • the control signaling of the network device activates 4 of the number of candidate windows as the number of candidate windows.
  • the number of windows of the joint channel estimation window the terminal equipment uses the same frequency resource and precoding method to transmit signals in the windows of the four joint channel estimation windows, and each window of the joint channel estimation window transmits 8 times.
  • the terminal device needs to ensure that the same frequency resources and precoding methods are used for transmission within the window of each joint channel estimation window.
  • the terminal device occupies the same starting position on the frequency resource blocks (Resource blocks, RB) when transmitting, and adopts the same precoding method. It can be understood that in each transmission of the maximum number of transmissions for joint channel estimation , the terminal equipment needs to occupy the same starting position on the frequency RB in each joint channel estimation window, and in each transmission of the maximum number of transmissions of the joint channel estimation, the terminal equipment needs to use the same in each joint channel estimation window. precoding method.
  • the terminal device configures the number of candidate windows for multiple joint channel estimation windows based on the acquired configuration signaling sent by the network device, and activates multiple candidate windows based on the received control signaling sent by the network device.
  • One of the number of candidate windows of the joint channel estimation window is used as the number of windows of this joint channel estimation window.
  • the same frequency resources and precoded for transmission are used as the transmission within the window of each joint channel estimation window.
  • the transmission within the window of each joint channel estimation window occupies the same starting position on the frequency resource block.
  • the channel estimation of multiple wireless channels is realized by the number of windows of the joint channel estimation window, which improves the efficiency of channel estimation.
  • the number of windows of the joint channel estimation window is effectively determined. According to The maximum number of transmissions configures the number of transmissions in the window of each joint channel estimation window, which ensures the feasibility of joint channel estimation.
  • the same frequency resources and precoding methods are used to minimize the influence of other factors on the channel estimation results. , which ensures the accuracy of joint channel estimation, effectively improves the reliability of transmission, and then accurately obtains coverage parameter information.
  • FIG. 4 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application. The method is applied to a terminal device, and the method includes:
  • S401 Receive configuration signaling from a network device, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the number of candidate windows for the joint channel estimation window.
  • the terminal device may receive configuration signaling sent by the network device, and the configuration signaling may include the maximum number of transmissions for joint channel estimation and/or the number of candidate windows for the joint channel estimation window.
  • the configuration signaling It may be higher layer signaling, for example, the configuration signaling may be RRC signaling or other signaling.
  • the configuration signaling may include a number of candidate windows for the joint channel estimation window.
  • the network device may indicate the maximum number of transmissions for joint channel estimation to the terminal device through additional signaling or the maximum number of transmissions for joint channel estimation agreed upon in a protocol.
  • the configuration signaling may include the maximum number of transmissions for the joint channel estimation and the number of candidate windows for the joint channel estimation window. It can be understood that the terminal device can receive configuration signaling that carries the configuration of the maximum number of transmissions and the number of candidate windows of the joint channel estimation window at the same time.
  • the configuration signaling may send the maximum number of transmissions first, and then send the number of a candidate window of the joint channel estimation window.
  • the terminal device can obtain the number of windows of a joint channel estimation window as a candidate based on the configuration signaling.
  • S402 Receive control signaling from the network device, where the control signaling is used to activate one of the number of candidate windows as the number of windows of the joint channel estimation window.
  • the terminal device may determine the number of windows of the joint channel estimation window in the joint channel estimation based on the acquired configuration signaling. Further, in combination with the maximum transmission times of the joint channel estimation, the same frequency resource and precoding method are used for signal transmission within the window of the joint channel estimation window.
  • each window of the joint channel estimation window is transmitted once.
  • the terminal equipment adopts the same frequency resource and precoding method, within the windows of the 4 joint channel estimation windows. Signal transmission is performed, and each window of the joint channel estimation window is transmitted once.
  • Step S403 can participate in the above-mentioned related details, which will not be repeated here.
  • the terminal device configures the number of candidate windows for a joint channel estimation window based on the obtained configuration signaling sent by the network device, and activates the joint channel based on the received control signaling sent by the network device.
  • the number of candidate windows of the estimation window is used as the number of windows of this joint channel estimation window.
  • the same frequency resources and precoding methods are used for transmission in the window of each joint channel estimation window.
  • the channel estimation of multiple wireless channels is realized by the number of windows of the joint channel estimation window, which improves the efficiency of channel estimation. Based on the configuration signaling of the network device, the number of windows of the joint channel estimation window is effectively determined.
  • the maximum number of transmissions configures the number of transmissions in the window of each joint channel estimation window, which ensures the feasibility of joint channel estimation.
  • the same frequency resources and precoding methods are used to minimize the influence of other factors on the channel estimation results. , which ensures the accuracy of joint channel estimation, effectively improves the reliability of transmission, and then accurately obtains coverage parameter information.
  • the terminal device can activate the frequency hopping mechanism based on the signaling of the network device, as shown in FIG. 5 , which is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application , the method is applied to a terminal device, and the method includes:
  • S501 Receive configuration signaling from a network device, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the number of one or more candidate windows for the joint channel estimation window.
  • the terminal device receives control signaling from the network device, where the control signaling is used to activate one of the number of candidate windows as the number of windows of the joint channel estimation window.
  • Steps S501-S502 can be involved in the above-mentioned related details, which will not be repeated here.
  • the network device may send a signaling of activation of the frequency hopping mechanism to the terminal device based on the obtained transmission signal quality within the window of each joint channel estimation window.
  • the terminal device may configure a frequency offset for each window of the joint channel estimation window.
  • the terminal device configures a frequency offset for each window of the jointly estimated channel window based on the acquired signaling of activation of the frequency hopping mechanism.
  • the configured frequency offset can be understood as the difference between the frequency occupied by the transmission in the window of this joint channel estimation window and the frequency occupied by the transmission in the window of the previous joint channel estimation window.
  • the terminal device After the last transmission in the window of the joint channel estimation window ends, the terminal device adjusts the frequency occupied by the transmission in the window of each joint channel estimation window based on the set frequency offset, and uses the adjusted frequency , a new round of transmission is performed using the same frequency resource and precoding method within the window of each joint channel estimation window.
  • the terminal device may configure two frequency offsets based on the acquired signaling of the activation of the frequency hopping mechanism sent by the network device.
  • the windows of each of the involved joint channel estimation windows can be sorted and numbered, so that the windows of the even-numbered joint channel estimation windows and the odd-numbered joint channel estimation windows can correspond to different frequency offsets respectively. quantity.
  • the frequency offsets For example, set the frequency offsets as X and Y, the number of windows of the joint channel estimation window is 14, the frequency offset corresponding to the window of the odd-numbered joint channel estimation window is X, and the window of the even-numbered joint channel estimation window The corresponding frequency offset is Y, and the 14 windows of the joint channel estimation window are sorted and numbered, then the frequency offsets of the windows of the joint channel estimation window numbered 1, 3, 5, 7, 9, 11, and 13 is X, and the frequency offsets of the windows of the joint channel estimation windows numbered 2, 4, 6, 8, 10, 12, and 14 are Y.
  • the frequency occupied by the window transmission of the odd-numbered joint channel estimation window this time is M, and the frequency occupied by the window transmission of the even-numbered joint channel estimation window is N, then the next window transmission of the odd-numbered joint channel estimation window
  • the terminal device After each window transmission of the joint channel estimation window ends, the terminal device performs frequency hopping according to different frequency offsets corresponding to the window of the joint channel estimation window, and performs the next transmission on the frequency occupied after the frequency hopping.
  • the joint channel estimation method proposed in this application is based on the activation signaling of the frequency hopping mechanism sent by the network device, and configures the frequency offset for the window of the joint channel estimation window.
  • Frequency offset adjust the frequency occupied by the window transmission of the joint channel estimation window, and use the adjusted frequency to perform the next transmission within the window of the joint channel estimation window.
  • the windows of each joint channel estimation window can be sorted and numbered, so that the window of the odd-numbered joint channel estimation window can correspond to the window of the even-numbered joint channel estimation window.
  • different frequency offsets can effectively resist the influence of certain frequencies on transmission, ensure the transmission quality in the wireless channel, improve the reliability of transmission, and then ensure the joint channel estimation accuracy.
  • FIG. 6 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application. include:
  • the number of wireless channels involved in the joint channel estimation is determined by the network device, and the network device can determine the number of windows of the joint channel estimation window involved in the joint channel estimation based on the relevant parameters and send it to the terminal device through specific signaling.
  • the specific signaling may be control signaling, such as DCI signaling, and so on.
  • S602 Receive the transmission performed by the terminal device using the same frequency resource and precoding manner in each joint channel estimation window.
  • the terminal device after the terminal device obtains the number of windows of the joint channel estimation window and the maximum number of transmissions for the joint channel estimation, in order to ensure the accuracy of the joint channel estimation, the terminal device uses the same frequency resources and precoding methods to The window of each joint channel estimation window is transmitted, and the network device can receive the signal transmitted by the window of each joint channel estimation window.
  • the terminal equipment adopts the same frequency resource and precoding method, configures the number of windows of the joint channel estimation window based on the signaling sent by the network equipment, and combines the maximum number of transmissions for the joint channel estimation.
  • the network device can accept the transmission performed by the terminal device in the window of each joint channel estimation window, and based on the obtained transmission signal, demodulate the transmitted signal, and then obtain each joint channel estimation window.
  • the parameter information of the window realizes joint channel estimation.
  • the method of channel estimation may be different based on the type of input signal. For example, for all single-carrier systems and multi-carrier systems, a time-domain method can be used; for another example, only for a multi-carrier system, a frequency-domain method can also be used.
  • the method of channel estimation may be different based on the perspective of the prior information.
  • the estimation method based on the reference signal can be used to determine the relevant parameters of the wireless channel according to the preset estimation rule, or to gradually track and adjust the estimated value of the relevant parameters of the wireless channel according to the preset estimation rule.
  • Reference signals such as pilot symbols or training sequences.
  • the method of blind estimation can be used to realize channel estimation by using the characteristics of the transmitted signal itself; for another example, the method of semi-blind estimation can be used, which can combine blind estimation and reference signal-based estimation to realize channel estimation. estimate.
  • the network device sends the window number configuration signal of the joint channel estimation window to the terminal device based on the relevant parameters, and the receiving terminal device uses the same frequency resource and precoding method for transmission, and performs joint channel estimation based on the transmission.
  • the network device realizes the configuration of the number of windows of the joint channel estimation window on the terminal device through interaction with the terminal device, thereby making the joint channel estimation implementable, based on the received transmission using the same frequency and precoding method.
  • the joint channel estimation is performed to ensure the accuracy of the joint channel estimation.
  • FIG. 7 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application. The method is applicable to network devices. As shown in FIG. 7 , the method includes:
  • the network device needs to send configuration signaling to the terminal device, so that the terminal device can configure and/or obtain the number of windows for the joint channel estimation window and/or the maximum number of transmissions for joint channel estimation based on the configuration signaling.
  • the configuration signaling may include the maximum number of transmissions for the joint channel estimation and/or the number of multiple candidate windows for the joint channel estimation window.
  • the configuration signaling may be higher layer signaling, for example, DCI signaling and the like.
  • the configuration signaling may include the number of multiple candidate windows of the joint channel estimation window. It can be understood that the network device may first send the configuration signaling of the number of multiple candidate windows of the joint channel estimation window, The indication signaling of the maximum number of transmissions for joint channel estimation is then sent to the terminal device. In other implementations, the configuration signaling may include the number of multiple candidate windows for the joint channel estimation window and the maximum number of transmissions for the joint channel estimation window. It can be understood that the network device may simultaneously send the number of multiple candidate windows for the joint channel estimation window and The configuration of the maximum transmission times of the joint channel estimation is signaled to the terminal device.
  • the configuration signaling sent by the network device can enable the terminal signaling to obtain the number of multiple windows of the joint channel estimation window as candidates.
  • S702 Send control signaling to the terminal device, where the control signaling is used to activate one of the number of candidate windows.
  • the network device in order for the terminal device to obtain the number of windows of the joint channel estimation window, the network device needs to send control signaling to the terminal device to activate one of the number of candidate windows of the joint channel estimation window in the terminal device , as the number of windows of this joint channel estimation window.
  • control signaling may be downlink control information DCI signaling.
  • S703 Receive the transmission performed by the terminal device using the same frequency resource and precoding manner in each joint channel estimation window.
  • the terminal device in order to ensure the accuracy of the joint channel result, the terminal device will use the same frequency resource and precoding method for transmission in the window of each joint channel estimation window. transmission within the window of the joint channel estimation window.
  • the network device receives the transmission from the terminal device at the same starting position of the frequency resource block corresponding to each joint channel estimation window. It can be understood that when the network device receives the transmission, it occupies the same starting position of the frequency resource blocks (RBs) corresponding to each joint channel estimation window, and receives the transmission using the same precoding method. It can be understood that the network device In each transmission of the maximum number of transmissions for receiving the joint channel estimation, it is necessary to receive the transmission of the terminal device at the same starting position on the corresponding RB in each joint channel estimation window, and the network device needs to receive the maximum number of joint channel estimation. In each transmission in the number of transmissions, transmissions using the same precoding method in each joint channel estimation window may be received.
  • RBs frequency resource blocks
  • Step S704 can participate in the above-mentioned related details, which will not be repeated here.
  • the network device sends configuration signaling to the terminal device, configures multiple window numbers of the joint channel estimation window for the terminal device as candidates, and sends control signaling to the terminal device to activate the joint channel for the terminal device.
  • One of the number of candidate windows of the estimation window is used as the number of windows of this joint channel estimation window, and further, the network device may receive the same frequency resource and precoding method performed by the terminal device in each joint channel estimation window. transmission, wherein the network device receives the transmission of the terminal device at the same starting position of the frequency resource block corresponding to each joint channel estimation window, and implements joint channel estimation based on the received transmission.
  • the number of windows of the joint channel estimation window is configured for the terminal, which realizes joint channel estimation of multiple wireless channels and improves the efficiency of joint channel estimation.
  • each joint channel estimation window adopts the same Joint channel estimation is performed for transmission by frequency resources and precoding, which avoids the influence of other factors on the channel estimation result to the greatest extent, and ensures the accuracy of joint channel estimation.
  • FIG. 8 is a schematic flowchart of a joint channel estimation method according to another embodiment of the present application. The method is applicable to network devices. As shown in FIG. 8 , the method includes:
  • S801. Send configuration signaling to a terminal device, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the number of candidate windows for the joint channel estimation window.
  • the network device needs to send configuration signaling to the terminal device, so that the terminal device can configure and/or obtain the number of windows for the joint channel estimation window and/or the maximum number of transmissions for joint channel estimation based on the configuration signaling.
  • the configuration signaling may include the maximum number of transmissions for joint channel estimation and/or the number of candidate windows for the joint channel estimation window.
  • the configuration signaling may be higher layer signaling, for example, DCI signaling and the like.
  • the configuration signaling may include the number of candidate windows for the joint channel estimation window. It can be understood that the network device may first send the configuration signaling for the number of candidate windows for the joint channel estimation window, and then send the configuration signaling. The indication of the maximum number of transmissions for the joint channel estimation is signaled to the terminal equipment.
  • the configuration signaling may include the number of candidate windows for the joint channel estimation window and the maximum number of transmissions for the joint channel estimation window. It can be understood that the network device can simultaneously send the number of candidate windows for the joint channel estimation window and the number of joint channel estimation windows. The configuration of the estimated maximum number of transmissions is signaled to the terminal device.
  • the configuration signaling sent by the network device can enable the terminal signaling to obtain a window number of the joint channel estimation window as a candidate.
  • S802 Send control signaling to the terminal device, where the control signaling is used to activate one of the number of candidate windows.
  • S803 Receive the transmission performed by the terminal device using the same frequency resource and precoding manner in each joint channel estimation window.
  • Steps S802-S804 can be involved in the above-mentioned related details, which will not be repeated here.
  • the network device sends configuration signaling to the terminal device, configures the terminal device with a number of windows of the joint channel estimation window as a candidate, and sends control signaling to the terminal device to activate the candidate joint channel for the terminal device.
  • the number of windows of the channel estimation window is used as the number of windows of this joint channel estimation window.
  • the network device can receive the transmissions performed by the terminal device using the same frequency resource and precoding method in each joint channel estimation window, wherein the network The device receives the transmission of the terminal device at the same starting position of the frequency resource block corresponding to each joint channel estimation window, and implements joint channel estimation based on the received transmission.
  • the number of windows of the joint channel estimation window is configured for the terminal, which realizes joint channel estimation of multiple wireless channels and improves the efficiency of joint channel estimation.
  • each joint channel estimation window adopts the same Joint channel estimation is performed for transmission by frequency resources and precoding, which avoids the influence of other factors on the channel estimation result to the greatest extent, and ensures the accuracy of joint channel estimation.
  • FIG. 9 is a joint diagram of another embodiment of the present application.
  • a schematic flowchart of a channel estimation method the method includes:
  • S901. Send configuration signaling to a terminal device, where the configuration signaling includes at least one of the following: the maximum number of transmissions for joint channel estimation; and the number of one or more candidate windows for the joint channel estimation window.
  • S902 Send control signaling to the terminal device, where the control signaling is used to activate one of the number of candidate windows.
  • Steps S901-S902 can be involved in the above-mentioned related details, which will not be repeated here.
  • the network device may configure a frequency offset for the terminal, including:
  • the network device may enable the terminal device to start the frequency hopping mechanism, so that the terminal device can implement frequency hopping transmission in each joint channel estimation window, and the frequency is A frequency offset is configured for the terminal device based on the relevant parameter information, and further, a frequency hopping mechanism activation instruction and a frequency offset configuration instruction are jointly sent to the terminal device.
  • the terminal device can activate the frequency hopping mechanism and configure a frequency offset for each window of the joint channel estimation window.
  • the network device can configure two frequency offsets for the terminal device, including:
  • the network device may enable the terminal device to start the frequency hopping mechanism, so that the terminal device can implement frequency hopping transmission in each joint channel estimation window, and the frequency is Two frequency offsets are configured for the terminal device based on the relevant parameter information, and further, the frequency hopping mechanism activation instruction and the two frequency offset configuration instructions are jointly sent to the terminal device.
  • the terminal device can activate the frequency hopping mechanism and configure two frequency offsets for each window of the joint channel estimation window.
  • S905 Receive the transmission performed by the terminal equipment after frequency hopping according to one of the two frequency offsets in the odd-numbered joint channel estimation window, and in the even-numbered joint channel estimation window according to the other of the two frequency offsets Transmission after one frequency hop.
  • the terminal device after the frequency hopping mechanism is activated, the terminal device makes the window of the even-numbered joint channel estimation window and the window of the odd-numbered joint channel estimation window respectively based on the two frequency offsets configured by the network device.
  • the configurations correspond to different frequency offsets.
  • the determination of the frequency offset can be found in the above-mentioned related details, which will not be repeated here.
  • the network device receives the transmission performed by the terminal device after frequency hopping according to one of the two frequency offsets in the odd-numbered joint channel estimation window, and in the even-numbered joint channel estimation window according to the two frequency offsets. transmission after another frequency hop in the quantity.
  • Step S906 can participate in the above-mentioned related details, which will not be repeated here.
  • the frequency hopping mechanism activation signaling sent by the network device configures a frequency offset for the window of the joint channel estimation window, and the receiving terminal equipment uses the adjusted frequency within the window of the joint channel estimation window.
  • the transmission carried out wherein, when the frequency offset is set to two, the terminal equipment can make the window of the odd-numbered joint channel estimation window and the window of the even-numbered joint channel estimation window corresponding to different frequency offsets, correspondingly.
  • the network device receives the transmission performed by the terminal device within the window of the odd-numbered and even-numbered joint channel estimation windows using the adjusted frequency.
  • using the frequency hopping mechanism for transmission within the window of the joint channel estimation window can effectively resist the influence of certain frequencies on transmission, ensure the transmission quality in the wireless channel, improve the reliability of transmission, and then ensure the joint channel estimation accuracy.
  • the methods for implementing the proposed application in this application are respectively introduced from the perspectives of network equipment and terminal equipment.
  • the network device and the terminal device may include hardware structures and software modules, and implement the above functions in the form of hardware structures, software modules, or hardware structures plus software modules.
  • a certain function among the above functions may be implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • FIG. 10 is a schematic structural diagram of a joint channel estimation apparatus according to an embodiment of the present application.
  • the joint channel estimation apparatus 1000 may include: a transceiver module 101 and a processing module 102, wherein:
  • the transceiver module 101 may include a sending module and/or a receiving module, the sending module is used to implement the sending function, the receiving module is used to implement the receiving function, and the transceiver module 101 may implement the sending function and/or the receiving function.
  • the joint channel estimation apparatus 1000 which is a terminal device, includes:
  • the transceiver module 101 is used to obtain the number of windows of the joint channel estimation window
  • the processing module 102 is configured to use the same frequency resource and precoding mode for transmission in each joint channel estimation window.
  • the joint channel estimation apparatus 1000 further includes: a transceiver module 101, configured to receive configuration signaling from a network device, where the configuration signaling includes the maximum number of transmissions for the joint channel estimation and/or the number of one or more candidate windows for the joint channel estimation window .
  • the joint channel estimation apparatus 1000 further includes: a transceiver module 101, configured to receive control signaling from a network device, where the control signaling is used to activate one of the number of candidate windows as the number of windows of the joint channel estimation window.
  • a transceiver module 101 configured to receive control signaling from a network device, where the control signaling is used to activate one of the number of candidate windows as the number of windows of the joint channel estimation window.
  • the joint channel estimation apparatus 1000 further includes: a processing module 102, configured to occupy the same starting position on the frequency resource block during transmission.
  • the joint channel estimation apparatus 1000 further includes: a processing module 102, configured to perform frequency hopping according to the frequency offset in each joint channel estimation window in response to the frequency hopping mechanism being activated and configured with a frequency offset.
  • a processing module 102 configured to perform frequency hopping according to the frequency offset in each joint channel estimation window in response to the frequency hopping mechanism being activated and configured with a frequency offset.
  • the joint channel estimation apparatus 1000 further includes: a processing module 102, configured to determine that the odd-numbered joint channel estimation window and the even-numbered joint channel estimation window correspond respectively to the frequency hopping mechanism being activated and configured with two frequency offsets One of the two frequency offsets, and in each joint channel estimation window, frequency hopping is performed according to the respective corresponding frequency offsets for transmission.
  • a processing module 102 configured to determine that the odd-numbered joint channel estimation window and the even-numbered joint channel estimation window correspond respectively to the frequency hopping mechanism being activated and configured with two frequency offsets One of the two frequency offsets, and in each joint channel estimation window, frequency hopping is performed according to the respective corresponding frequency offsets for transmission.
  • the joint channel estimation apparatus 1000 which is network equipment, includes:
  • a transceiver module 101 configured to send the number of windows of the joint channel estimation window to the terminal device;
  • the transceiver module 101 is further configured to receive the transmission performed by the terminal equipment in each joint channel estimation window using the same frequency resource and precoding method;
  • a processing module 102 configured to perform joint channel estimation based on the ongoing transmission.
  • the joint channel estimation apparatus 1000 also includes: a transceiver module 101, configured to send configuration signaling to the terminal equipment, where the configuration signaling includes the maximum number of transmissions for the joint channel estimation and/or the number of one or more candidate windows for the joint channel estimation window.
  • the joint channel estimation apparatus 1000 further includes: a transceiver module 101, configured to send control signaling to the terminal device, where the control signaling is used to activate one of the number of candidate windows.
  • the joint channel estimation apparatus 1000 further includes: a processing module 102, configured to receive the transmission from the terminal equipment at the same starting position of the frequency resource block corresponding to each joint channel estimation window.
  • the joint channel estimation apparatus 1000 and the processing module 102 are further used for: activating the activation frequency hopping mechanism of the terminal equipment, and configuring a frequency offset for the terminal equipment; receiving the terminal equipment according to the frequency offset in each joint channel estimation window Transmission after frequency hopping.
  • the joint channel estimation apparatus 1000 and the processing module 102 are further configured to: activate the activation frequency hopping mechanism of the terminal equipment, and configure two frequency offsets for the terminal equipment; receive the terminal equipment according to the two frequency offsets in the odd-numbered joint channel estimation window.
  • the network device In the joint channel estimation device proposed in the present application, the network device generates the configuration signaling of the number of windows of the joint channel estimation window and/or the maximum number of transmissions for the joint channel estimation, and sends it to the terminal device, and the terminal device is based on the obtained network device.
  • the configuration signaling obtains the number of candidate windows for the joint channel estimation window and the maximum number of transmissions for the joint channel estimation.
  • the network device sends the window number activation control signaling of the joint channel estimation window to the terminal device, and the terminal device activates and determines based on the acquired control signaling. The number of windows for the joint channel estimation window.
  • the network device generates the frequency hopping mechanism activation signaling, and configures the frequency offset for the terminal device, and the terminal device configures the frequency offset for the window of the joint channel estimation window in response to the frequency hopping activation mechanism.
  • the terminal device may transmit within the joint channel estimation window by using the same frequency resource and precoding method in a scenario where the frequency hopping mechanism is not activated.
  • the terminal device In a scenario where the frequency hopping mechanism is activated, the terminal device The same frequency resources and precoding methods are used for frequency hopping transmission.
  • the network device may receive transmissions made within the joint channel estimation window and perform joint channel estimation based on the transmissions.
  • the joint channel estimation is made feasible, and the joint channel estimation window for multiple wireless channels is realized by using the window of the joint channel estimation window, which improves the efficiency of the channel estimation. Further, Using the same frequency resource and precoding method for signal transmission, the influence of other factors on the channel estimation result is avoided to the greatest extent, the accuracy of joint channel estimation is ensured, the reliability of transmission is effectively improved, and the coverage parameter information is accurately obtained. .
  • FIG. 11 is a schematic structural diagram of another communication apparatus 1100 proposed by an embodiment of the present application.
  • the communication apparatus 1100 may be a network device, a terminal device, a chip, a chip system, or a processor that supports the network device to implement the above method, or a chip, a chip system, or a chip that supports the terminal device to implement the above method. processor etc.
  • the apparatus can be used to implement the methods described in the foregoing method embodiments, and for details, reference may be made to the descriptions in the foregoing method embodiments.
  • the Communication apparatus 1100 may include one or more processors 1101 .
  • the processor 1101 may be a general-purpose processor or a special-purpose processor, or the like.
  • it may be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DU or CU, etc.), execute computer programs, etc. , which processes data from computer programs.
  • the communication apparatus 1100 may further include one or more memories 1102, which may store a computer program 1104, and the processor 1101 executes the computer program 1104, so that the communication apparatus 1100 executes the methods described in the above method embodiments.
  • data may also be stored in the memory 1102 .
  • the communication device 1100 and the memory 1102 can be provided separately or integrated together.
  • the communication apparatus 1100 may further include a transceiver 1105 and an antenna 1106 .
  • the transceiver 1105 may be referred to as a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver 1105 may include a receiver and a transmitter, the receiver may be called a receiver or a receiving circuit, etc., for implementing a receiving function; the transmitter may be called a transmitter or a transmitting circuit, etc., for implementing a transmitting function.
  • the communication apparatus 1100 may further include one or more interface circuits 1107 .
  • the interface circuit 1107 is used to receive code instructions and transmit them to the processor 1101 .
  • the processor 1101 executes the code instructions to cause the communication device 1100 to perform the methods described in the above method embodiments.
  • the communication apparatus 1100 is a terminal device: the processor 1101 is used to perform step S202 in FIG. 2 , step S303 in FIG. 3 , step S503 in FIG. 5 , etc.; Step S301 in 3, step S501 in FIG. 5, and so on.
  • the communication apparatus 1100 is a network device: the transceiver 1105 is used to perform step S601 in FIG. 6 , step S701 in FIG. 7 , step S801 in FIG. 8 , etc.; Step S703 in 7 and step S804 in FIG. 8 and so on.
  • the processor 1101 may include a transceiver for implementing receiving and transmitting functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • Transceiver circuits, interfaces or interface circuits used to implement receiving and transmitting functions may be separate or integrated.
  • the above-mentioned transceiver circuit, interface or interface circuit can be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit can be used for signal transmission or transmission.
  • the processor 1101 may store a computer program 1103, and the computer program 1103 runs on the processor 1101 to enable the communication device 1100 to execute the methods described in the above method embodiments.
  • the computer program 1103 may be embodied in the processor 1101, in which case the processor 1101 may be implemented by hardware.
  • the communication apparatus 1100 may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this application can be implemented in integrated circuits (ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed-signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device described in the above embodiments may be a network device or a terminal device (such as the first terminal device in the foregoing method embodiments), but the scope of the communication device described in this application is not limited to this, and the structure of the communication device may be Not limited by FIG. 11 .
  • the communication apparatus may be a stand-alone device or may be part of a larger device.
  • the communication means may be:
  • the IC set can also include a storage component for storing data and computer programs;
  • ASIC such as modem (Modem);
  • the communication device may be a chip or a chip system
  • the chip shown in FIG. 12 includes a processor 1201 and an interface 1202 .
  • the number of processors 1201 may be one or more, and the number of interfaces 1202 may be multiple.
  • the interface 1202 is used to execute step S201 in FIG. 2 , step S301 in FIG. 3 , step S501 in FIG. 5 and so on.
  • the interface 1202 is used to execute step S603 in FIG. 6 , step S703 in FIG. 7 , step S804 in FIG. 8 and so on.
  • the chip further includes a memory 1203 for storing necessary computer programs and data.
  • An embodiment of the present application further proposes a joint channel estimation system.
  • the system includes the communication device as the terminal device (such as the terminal device in the foregoing method embodiment) in the foregoing embodiment of FIG. 11 and the communication device as a network device, or the
  • the system includes the communication apparatus as a terminal device (such as the terminal device in the foregoing method embodiment) in the foregoing embodiment of FIG. 12 and a communication apparatus as a network device.
  • the present application also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, implement the functions of any of the foregoing method embodiments.
  • the present application also provides a computer program product, which implements the functions of any of the foregoing method embodiments when the computer program product is executed by a computer.
  • a computer program product includes one or more computer programs.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer program can be stored on or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can be transferred from a website site, computer, server, or data center over a wire (e.g.
  • coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless means to transmit to another website site, computer, server or data center.
  • a computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes an integration of one or more available media.
  • Useful media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, high-density digital video disc (DVD)), or semiconductor media (eg, solid state disk (SSD)) )Wait.
  • At least one in this application may also be described as one or more, and the multiple may be two, three, four or more, which is not limited in this application.
  • the technical feature is distinguished by “first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in the “first”, “second”, “third”, “A”, “B”, “C” and “D” described technical features in no order or order of magnitude.
  • the corresponding relationships shown in each table in this application may be configured or predefined.
  • the values of the information in each table are only examples, and can be configured with other values, which are not limited in this application.
  • the corresponding relationships shown in some rows may not be configured.
  • appropriate deformation adjustments, such as splitting, merging, etc. can be made based on the above table.
  • the names of the parameters shown in the headings in the above tables may also adopt other names that can be understood by the communication device, and the values or representations of the parameters may also be other values or representations that the communication device can understand.
  • other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables. Wait.
  • Predefined in this application may be understood as defining, predefining, storing, pre-storing, pre-negotiating, pre-configuring, curing, or pre-firing.

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Abstract

La présente demande concerne un procédé et un appareil d'estimation de canaux conjointe. Le procédé appliqué à un dispositif terminal consiste : à obtenir le nombre de fenêtres de fenêtres d'estimation de canaux conjointe ; et à utiliser, dans chacune des fenêtres d'estimation de canaux conjointe, la même ressource de fréquence et le même mode de précodage pour la transmission. Dans la présente demande, une estimation de canaux conjointe pour une pluralité de canaux sans fil est mise en oeuvre en utilisant les fenêtres des fenêtres d'estimation de canaux conjointe, ce qui permet d'améliorer l'efficacité d'estimation de canaux. En outre, l'utilisation de la même ressource de fréquence et du même mode de précodage pour la transmission de signal garantit la précision de l'estimation de canaux conjointe et améliore efficacement la fiabilité de transmission, permettant ainsi d'obtenir avec précision des informations de paramètre de couverture.
PCT/CN2021/082184 2021-03-22 2021-03-22 Procédé et appareil d'estimation de canaux conjointe WO2022198412A1 (fr)

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