WO2022089659A1 - Procédé d'identification de canal, et dispositif et support de stockage - Google Patents

Procédé d'identification de canal, et dispositif et support de stockage Download PDF

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Publication number
WO2022089659A1
WO2022089659A1 PCT/CN2021/132370 CN2021132370W WO2022089659A1 WO 2022089659 A1 WO2022089659 A1 WO 2022089659A1 CN 2021132370 W CN2021132370 W CN 2021132370W WO 2022089659 A1 WO2022089659 A1 WO 2022089659A1
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WO
WIPO (PCT)
Prior art keywords
rnti
channel
irs
terminal
base station
Prior art date
Application number
PCT/CN2021/132370
Other languages
English (en)
Chinese (zh)
Inventor
孙军帅
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2022089659A1 publication Critical patent/WO2022089659A1/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
    • H04B7/04013—Intelligent reflective surfaces
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • 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

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a channel identification method, device and storage medium.
  • next-generation (6G) communication technologies are already under research in order to achieve faster and more reliable data transmission.
  • intelligent reflective surfaces IFSs
  • IFSs intelligent reflective surfaces
  • the smart reflector is a new type of smart passive surface. Meta-materials are used to control the phase of the surface in real time, so as to realize the control of the reflection angle of the incident wave and form reflected beams in different directions.
  • Figure 1 is a schematic diagram of the transmission model of the intelligent reflecting surface.
  • the terminal can directly receive the signal from the IRS (Intelligent Reflecting Surface), and the link of the signal is not the same as that received directly from the base station. (More channels (f r )).
  • the terminal receives the signal, if the signal reflected by the IRS cannot be identified, the number of blind detections of the user will be increased.
  • the present disclosure provides a channel identification method, device and storage medium to solve the problem of inability to identify an IRS channel.
  • a channel identification method comprising:
  • the terminal receives the RNTI, and the RNTI is used for the terminal to identify the IRS channel;
  • the terminal identifies the IRS channel according to the RNTI.
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the terminal after the terminal identifies the IRS channel according to the RNTI, it further includes one or a combination of the following processes:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a channel identification method comprising:
  • the base station determines the RNTI for IRS channel scrambling, and the RNTI is used for the terminal to identify the IRS channel;
  • the base station sends the RNTI to the terminal.
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the base station performs one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the base station configures the RNTI in one of the following ways or a combination thereof:
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a terminal that includes:
  • the processor for reading the program in memory, performs the following processes:
  • a transceiver for receiving and transmitting data under the control of the processor.
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the IRS channel after identifying the IRS channel according to the RNTI, it further includes one of the following processes or a combination thereof:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a terminal that includes:
  • a terminal receiving module configured to receive an RNTI, where the RNTI is used for the terminal to identify the IRS channel;
  • a terminal identification module configured to identify the IRS channel according to the RNTI.
  • the terminal identification module is further configured to include an IRS channel including one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the terminal identification module is further configured to identify the IRS channel according to the RNTI, and further include one or a combination of the following processes:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a base station comprising:
  • the processor for reading the program in memory, performs the following processes:
  • determining an RNTI for IRS channel scrambling the RNTI being used for the terminal to identify the IRS channel
  • a transceiver for receiving and transmitting data under the control of the processor.
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • it further includes performing one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the RNTI is configured in one of the following ways or a combination thereof:
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a base station comprising:
  • a base station determining module configured to determine an RNTI for IRS channel scrambling, where the RNTI is used for the terminal to identify the IRS channel;
  • a base station sending module configured to send the RNTI to the terminal.
  • the base station determining module is further configured to determine an IRS channel including one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the base station determination module is further configured to perform one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the base station determining module is further configured to configure the RNTI in one of the following ways or a combination thereof:
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • a computer-readable storage medium storing a computer program for executing the above channel identification method.
  • the IRS channel can be identified through the RNTI
  • processing can be performed on the IRS channel.
  • the UE can accelerate the convergence of link detection; after identifying the IRS link, it performs link compensation for the link, which improves the robustness of link detection; after identifying the IRS link, it performs a shaping coefficient for the link. , which simplifies the process of base station and terminal control.
  • FIG. 1 is a schematic diagram of a transmission model of an intelligent reflecting surface in the background technology
  • FIG. 2 is a schematic flowchart of implementing a channel identification method on a terminal side in an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of implementing a channel identification method on a base station side in an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a terminal in an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a base station in an embodiment of the present disclosure.
  • FIG. 2 is a schematic flowchart of the implementation of the channel identification method on the terminal side. As shown in the figure, it may include:
  • Step 201 the terminal receives the RNTI, the RNTI is used for the terminal to identify the IRS channel;
  • Step 202 the terminal identifies the IRS channel according to the RNTI.
  • FIG. 3 is a schematic flowchart of the implementation of the channel identification method on the base station side. As shown in the figure, it may include:
  • Step 301 the base station determines the RNTI used for IRS channel scrambling, and the RNTI is used for the terminal to identify the IRS channel;
  • Step 302 the base station sends the RNTI to the terminal.
  • the solution is to define an RNTI dedicated to scrambling the physical channel on the IRS, so that the terminal can process the IRS channel.
  • the physical channel on the IRS includes one of the following channels or a combination thereof: PBCH (Physical Broadcast Channel, Physical broadcast channel), PRACH (Physical Random Access Channel, Physical Random Access Channel), PDCCH (Physical Downlink Control Channel, Physical downlink control channel), PDSCH (Physical Downlink Shared Channel), PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel), PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) channels, etc.
  • PBCH Physical Broadcast Channel, Physical broadcast channel
  • PRACH Physical Random Access Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
  • IRS-RNTI The RNTI of the IRS link is referred to as: IRS-RNTI, that is, the IRS-RNTI is a general term for the RNTI that scrambles PBCH, PRACH, PDCCH, PDSCH, PUSCH, PUCCH and other channels on the IRS link.
  • the base station looks directly at the link/channel: the link/channel through which the terminal directly exchanges information with the base station, which is distinguished from the link/channel through the IRS relay, such as the hd channel in Figure 1.
  • IRS link/channel The link/channel through which the terminal exchanges information with the base station through the IRS relay, such as the fr channel in Figure 1. That is, the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the terminal may further include one or a combination of the following processes:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the base station performs one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the terminal or base station can use a channel equalization or compensation algorithm for the IRS link that is different from the direct-view channel of the base station; or the terminal or the base station can use a direct-view channel different from the base station for the IRS link.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the IRS-RNTI can be divided into a common IRS-RNTI and a dedicated IRS-RNTI.
  • the public IRS-RNTI is used for public information sent on the IRS link, and the receiving object is one or more terminals, such as broadcast information, and the broadcast channel used at this time is scrambled by the public IRS-RNTI.
  • the information transmitted by this broadcast channel may be different from the information transmitted by the broadcast channel on the macro station. For example, messages such as information (Msg0/1/2/3) in the access process can be sent on the macro station or on the IRS link. For different channels carrying Msg0/1/2/3/4 messages Scrambling with IRS-RNTI.
  • the dedicated IRS-RNTI is used to scramble the channel on the IRS link for the terminal to send and receive data or control information
  • the physical channel may be PDCCH, PDSCH, PUSCH, and PUCCH.
  • the public IRS-RNTI it can be a fixed value, and the value is directly given in the protocol, or it can be configured in the direct view channel of the base station. That is, the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated IRS-RNTI configure the user through dedicated control signaling or information. That is, the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the configuration method can be through RRC (Radio Resource Control, Radio Resource Control) signaling or PDCCH or MAC CE (Media Access Control Control Element; MAC: Media Access Control, Media Access Control; CE: Control Element, Control Element).
  • RRC Radio Resource Control, Radio Resource Control
  • PDCCH Physical Downlink Control Channel
  • MAC Media Access Control, Media Access Control
  • CE Control Element, Control Element
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • the base station when the base station needs the terminal to perform information exchange through the IRS, the base station may be configured through the base station link/channel, or may be configured through the IRS link/channel.
  • the type and value of the IRS-RNTI used by the terminal, as well as information such as the valid time window or time period, can be configured in real time through the DCI (Downlink Control Information) carried in the PDCCH channel.
  • DCI Downlink Control Information
  • One or more types of IRS-RNTIs can be configured at a time.
  • the terminal can be configured to the terminal through RRC signaling, and the configuration can be performed in the process of terminal link establishment and reconfiguration.
  • One or more types of IRS-RNTIs can be configured at a time.
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • IRS-RNTI MAC CE you can configure the type and value of one or more types of IRS-RNTIs at a time, as well as the valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • the value of the IRS-RNTI is identified as [XX, YY]: XX and YY represent the maximum and minimum values available for the IRS-RNTI. Depending on the type, the value is different.
  • the RNTI corresponding to the IRS-RNTI may be defined in the available values according to the related scheme.
  • IRS-RNTI can be placed in the text of the MAC as follows:
  • the IRS-RNTI is defined in the values available in the related scheme.
  • the available value range in the current related scheme is: 0xFFF3-0xFFFD, in which several values are taken.
  • SRI-RNTI can also be defined.
  • the SRI-RNTI is added to 0x0001-0xFFF2 as a dedicated RNTI for SRI (SRS resource indicator, SRS resource indicator; SRS: Sounding Reference Signal, Sounding Reference Signal).
  • SRI SRS resource indicator, SRS resource indicator; SRS: Sounding Reference Signal, Sounding Reference Signal.
  • RNTI usage (RNTI usage)
  • the embodiments of the present disclosure also provide a base station, a terminal, and a computer-readable storage medium. Since the principle of solving the problem of these devices is similar to the channel identification method, the implementation of these devices can refer to the implementation of the method. The repetition will not be repeated.
  • FIG. 4 is a schematic diagram of the terminal structure. As shown in the figure, the terminal includes:
  • the processor 400 is configured to read the program in the memory 420 and perform the following processes:
  • the transceiver 410 is used for receiving and transmitting data under the control of the processor 400 .
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the IRS channel after identifying the IRS channel according to the RNTI, it further includes one of the following processes or a combination thereof:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 400 and various circuits of memory represented by memory 420 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 410 may be multiple elements, ie, including a transmitter and a receiver, providing a means for communicating with various other devices over a transmission medium.
  • the user interface 430 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 may store data used by the processor 400 in performing operations.
  • An embodiment of the present disclosure also provides a terminal, including:
  • a terminal receiving module configured to receive an RNTI, where the RNTI is used for the terminal to identify the IRS channel;
  • a terminal identification module configured to identify the IRS channel according to the RNTI.
  • the terminal identification module is further configured to include an IRS channel including one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the terminal identification module is further configured to identify the IRS channel according to the RNTI, and further include one or a combination of the following processes:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • each part of the device described above is divided into various modules or units by function and described respectively.
  • the functions of each module or unit may be implemented in one or more software or hardware.
  • FIG. 5 is a schematic diagram of the structure of the base station. As shown in the figure, the base station includes:
  • the processor 500 is configured to read the program in the memory 520, and execute the following processes:
  • determining an RNTI for IRS channel scrambling the RNTI being used for the terminal to identify the IRS channel
  • the transceiver 510 is used for receiving and transmitting data under the control of the processor 500 .
  • the IRS channel includes one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • it further includes performing one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the RNTI is configured in one of the following ways or a combination thereof:
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 500 and various circuits of memory represented by memory 520 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 510 may be multiple elements, ie, including a transmitter and a receiver, providing a means for communicating with various other devices over a transmission medium.
  • the processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
  • An embodiment of the present disclosure also provides a base station, including:
  • a base station determining module configured to determine an RNTI for IRS channel scrambling, where the RNTI is used for the terminal to identify the IRS channel;
  • a base station sending module configured to send the RNTI to the terminal.
  • the base station determining module is further configured to determine an IRS channel including one or a combination of the following channels on the IRS link:
  • PBCH Physical Broadcast Channel
  • PRACH Physical Downlink Control Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Control Channel
  • PUSCH Physical Uplink Control Channel
  • the IRS link is a link through an IRS relay; and/or the IRS channel is a channel through an IRS relay.
  • the base station determination module is further configured to perform one or a combination of the following processes on the IRS channel identified according to the RNTI:
  • the IRS channel a channel equalization algorithm or compensation algorithm different from the channel in which the terminal directly exchanges information with the base station is adopted;
  • Different beamforming methods and beamforming coefficients are used in the IRS channel and the channel in which the terminal directly exchanges information with the base station.
  • the RNTI includes:
  • a common RNTI for sending common information to one or more terminals over the IRS link;
  • Proprietary RNTI used to send proprietary information to the terminal over the IRS link.
  • the common RNTI is pre-agreed, or is configured by the base station through the channel through which the terminal directly exchanges information with the base station.
  • the dedicated RNTI is configured by the base station through dedicated control signaling or information.
  • the base station determining module is further configured to configure the RNTI in one of the following ways or a combination thereof:
  • the base station When the base station needs to exchange information with the terminal through the IRS channel, configure the RNTI through the link or channel through which the terminal directly exchanges information with the base station, and configure the RNTI through the IRS link or channel;
  • An RNTI is defined, and one or more of the following parameters of the RNTI of one or more types are configured at a time through the MAC CE or a combination thereof: type, value, and valid time period.
  • the value of the RNTI is identified as [XX, YY], where XX and YY are the maximum and minimum values available for the RNTI, and the available maximum and minimum values are different according to different types.
  • the value range of the RNTI is: 0x0001-0xFFF2.
  • each part of the device described above is divided into various modules or units by function and described respectively.
  • the functions of each module or unit may be implemented in one or more software or hardware.
  • An embodiment of the present disclosure further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for executing the above channel identification method.
  • an RNTI solution for identifying an IRS link is provided.
  • channels can be distinguished through IRS-RNTI, and a terminal or a base station can use a different method for the IRS link than the base station directly.
  • the channel equalization or compensation algorithm of the viewing channel; the terminal or base station can also use a beamforming method and beamforming coefficient) and type different from the direct viewing channel of the base station for the IRS link;
  • the algorithm and control for the IRS link are implemented, the convergence of the entire link detection is accelerated, and the robustness of the link is improved;
  • the object of the service can also be divided into a public IRS-RNTI and a dedicated IRS-RNTI.
  • the IRS link can be identified; the UE can accelerate the convergence of link detection; after identifying the IRS link, link compensation is performed for the link, which improves the robustness of link detection; the IRS link is identified After the link is connected, the shaping coefficient is controlled for the link, which simplifies the control process of the base station and the terminal.
  • embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

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

Abstract

L'invention concerne un procédé d'identification de canal, ainsi qu'un dispositif et un support de stockage. Le procédé comporte les étapes suivantes: un RNTI est déterminé pour l'embrouillage de canaux d'IRS, le RNTI étant utilisé par un terminal pour identifier un canal d'IRS; le RNTI est envoyé au terminal; et le terminal identifie le canal d'IRS selon le RNTI.
PCT/CN2021/132370 2020-10-27 2021-11-23 Procédé d'identification de canal, et dispositif et support de stockage WO2022089659A1 (fr)

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CN202011161933.0A CN114500186A (zh) 2020-10-27 2020-10-27 一种信道识别方法、设备及存储介质
CN202011161933.0 2020-10-27

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Citations (3)

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CN106304097A (zh) * 2015-05-15 2017-01-04 中兴通讯股份有限公司 资源使用方法、装置及系统
US20190173612A1 (en) * 2016-08-10 2019-06-06 Sony Corporation Communication device and communication method
CN110392428A (zh) * 2018-04-17 2019-10-29 展讯通信（上海）有限公司 随机接入资源的指示及获取方法、基站、终端、可读介质

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Publication number Priority date Publication date Assignee Title
CN111050276B (zh) * 2019-12-23 2020-11-24 华中科技大学 基于角度信息的irs辅助通信系统的优化方法及设备
CN110839204B (zh) * 2019-12-23 2020-10-16 华中科技大学 一种irs辅助通信系统的通信优化方法及装置

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Publication number Priority date Publication date Assignee Title
CN106304097A (zh) * 2015-05-15 2017-01-04 中兴通讯股份有限公司 资源使用方法、装置及系统
US20190173612A1 (en) * 2016-08-10 2019-06-06 Sony Corporation Communication device and communication method
CN110392428A (zh) * 2018-04-17 2019-10-29 展讯通信（上海）有限公司 随机接入资源的指示及获取方法、基站、终端、可读介质

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