Search

KR-102962910-B1 - Information interaction method, network device, signal relay node, and storage medium

KR102962910B1KR 102962910 B1KR102962910 B1KR 102962910B1KR-102962910-B1

Abstract

Embodiments of the present invention provide an information interaction method, a network device, a signal relay node, and a storage medium. Herein, the network device and a plurality of wireless relay nodes form a local wireless signal transmission network, and the local wireless signal transmission network is a multi-hop mobile communication network; the information interaction method applied to the network device includes the step of obtaining first interaction information by performing information interaction with a wireless relay node; and the step of determining, establishing, or maintaining topology information of the local wireless signal transmission network according to the first interaction information.

Inventors

  • 예 젱젱
  • 리 핑

Assignees

  • 지티이 코포레이션

Dates

Publication Date
20260508
Application Date
20230417
Priority Date
20220427

Claims (20)

  1. As an information interaction method applied to network devices, The above network device and a plurality of wireless relay nodes form a local wireless signal transmission network, and the local wireless signal transmission network is a multi-hop mobile communication network; The above method is, A step of obtaining first interaction information by performing information interaction with the plurality of wireless relay nodes, wherein the step of obtaining: A step of transmitting a network access control signal to the plurality of wireless relay nodes through a first transmission method; and The acquiring step, comprising the step of receiving access feedback information from the plurality of wireless relay nodes through a second transmission method; A step of determining association information of the plurality of wireless relay nodes according to the access feedback information; and Based on the above association information, the method includes the step of determining or constructing topology information of the local wireless signal transmission network, and An information interaction method in which the access feedback information is obtained by the plurality of wireless relay nodes according to pre-stored priori information including association information of the current wireless relay node in the local wireless signal transmission network.
  2. In paragraph 1, The above topology information is, An information interaction method comprising at least one piece of information among the area number of a wireless relay node, the previous hop node of a wireless relay node, the next hop node of a wireless relay node, beam information corresponding to a wireless relay node, and beam information corresponding to a path reaching a wireless relay node.
  3. delete
  4. delete
  5. In paragraph 1, The first transmission method above includes at least one communication method among an SSB channel, a CSI-RS channel, MAC signaling, RRC signaling, paging signaling, and node-only signaling; The above network access control signal is, A node signaling flag for identifying the above signal as the network access control signal; Signal control type; Number of target wireless relay nodes that causes only the target wireless relay node to analyze the network access control signal; A broadcast signaling flag that causes an unspecified wireless relay node to analyze the network access control signal; Signaling content; Current beam information for connecting the wireless relay node to the current beam information and synchronizing the information; and It includes at least one piece of information among the identification numbers of the above-mentioned regional wireless signal transmission network; The above signal control type includes at least one of switch control, beam selection control, and power control; The above second transmission method is a wired transmission method or a wireless transmission method; If the second transmission method is a wireless transmission method, the second transmission method includes at least one communication method among a PUSCH channel, a RACH channel, MAC signaling, RRC signaling, and node-only signaling; The above access feedback information is, Node depth of the current wireless relay node in the above-mentioned regional wireless signal transmission network; Number of next-hop wireless relay nodes of the current wireless relay node; The network number or unique identification number of the next-hop wireless relay node of the current wireless relay node; Beam information of the current wireless relay node corresponding to each next-hop wireless relay node of the current wireless relay node; The network number or unique identification number of the previous hop wireless relay node of the current wireless relay node; Node type of the next hop wireless relay node of the current wireless relay node; Node type of the previous hop wireless relay node of the current wireless relay node; Operation status of the next-hop wireless relay node of the current wireless relay node; Operation status of the previous hop wireless relay node of the current wireless relay node; Activation status of the next-hop wireless relay node of the current wireless relay node; The activation status of the previous hop wireless relay node of the current wireless relay node; Configuration information of the next-hop wireless relay node of the current wireless relay node; Configuration information of the previous hop wireless relay node of the current wireless relay node; Placement information of the next-hop wireless relay node of the current wireless relay node; Placement information of the previous hop wireless relay node of the current wireless relay node; Performance information of the next-hop wireless relay node of the current wireless relay node; and It includes at least one piece of information among the performance information of the previous hop wireless relay node of the current wireless relay node; The above node type includes at least one of a static codebook node, a semi-static codebook node, and a dynamic codebook node; The above operating status includes at least one of a switch status and a beam codebook number; The above activation state includes at least one of a reflection state and a transmission state; The above configuration information includes at least one of the number of horizontal and vertical arrays, the number of configuration polarizations, the number of bits, and the panel area; The above placement information includes at least one of placement height, placement coordinates, downtilt angle, horizontal angle, and rotation angle of the panel relative to the normal; The above performance information includes at least one of a codebook switching time interval, a codebook validation delay, and a maximum number of codebooks to be stored, in an information interaction method.
  6. In paragraph 1, The step of obtaining first interaction information by performing information interaction with the plurality of wireless relay nodes mentioned above is: A step of transmitting a first measurement signal to the plurality of wireless relay nodes through a third transmission method; and It includes the step of receiving access feedback information from the plurality of wireless relay nodes through a fourth transmission method; In response to this, the step of determining, establishing, or maintaining topology information of the local wireless signal transmission network according to the first interaction information is, A step of obtaining transmission delay information and corresponding beam information of a plurality of wireless relay nodes according to the access feedback information above; A step of determining association information of a plurality of wireless relay nodes according to the transmission delay information and the beam information; and An information interaction method comprising the step of determining or constructing topology information of the local wireless signal transmission network according to the above association information.
  7. In paragraph 6, The above third transmission method includes at least one communication method among an SSB channel, a CSI-RS channel, MAC signaling, RRC signaling, paging signaling, and node-only signaling; The first measurement signal above includes a beam number corresponding to a beam transmitted by a network device; The above-mentioned fourth transmission method is a wired transmission method or a wireless transmission method; If the above-mentioned fourth transmission method is a wireless transmission method, the above-mentioned fourth transmission method includes at least one communication method among a PUSCH channel, a RACH channel, MAC signaling, RRC signaling, and node-only signaling; The above access feedback information is, The unique identification number or network number of the current wireless relay node; Transmission delay or reception time dedicated to the measured network topology; and It includes at least one piece of information among the received beam numbers corresponding to the beam transmitted by the network device; After the step of determining or establishing topology information of the above-mentioned regional wireless signal transmission network, the method, The method further includes the step of transmitting a node correction command to a plurality of wireless relay nodes according to the above topology information to perform number unification and management for the corresponding wireless relay nodes; The above node correction command is, Unique identification ID of the target wireless relay node; Network number of the target wireless relay node in the above-mentioned regional wireless signal transmission network; Network number of the previous hop wireless relay node of the target wireless relay node; The number of next-hop wireless relay nodes of the target wireless relay node and the corresponding network number; and Information interaction method comprising at least one piece of information among beam information corresponding to each next-hop wireless relay node of a target wireless relay node.
  8. In paragraph 1, The above first interaction information is node state information; The step of obtaining first interaction information by performing information interaction with the plurality of wireless relay nodes mentioned above is: A step of transmitting a second measurement signal to the plurality of wireless relay nodes and receiving node status information fed back by the plurality of wireless relay nodes; or, It includes the step of receiving node status information actively reported by the plurality of wireless relay nodes; In response to this, the step of determining, establishing, or maintaining topology information of the local wireless signal transmission network according to the first interaction information is Information interaction method comprising the step of changing topology information of the local wireless signal transmission network according to the node state information.
  9. In paragraph 8, The step of transmitting the second measurement signal to the wireless relay node and receiving node status information fed back by the wireless relay node is: A step of obtaining a measurement period, transmitting a second measurement signal to the wireless relay node according to the measurement period, and receiving node status information fed back by the wireless relay node; or, An information interaction method comprising the steps of acquiring a topology change trigger signal, transmitting a second measurement signal to the wireless relay node according to the topology change trigger signal, and receiving node state information fed back by the wireless relay node.
  10. In paragraph 8, The step of transmitting the second measurement signal to the wireless relay node and receiving node status information fed back by the wireless relay node is: A step of transmitting a second measurement signal to a plurality of the above-mentioned wireless relay nodes through a fifth transmission method; and It includes the step of receiving node status information from the wireless relay node through the sixth transmission method; In response to this, the step of changing the topology information of the local wireless signal transmission network according to the first interaction information is, A step of obtaining transmission delay information and corresponding beam information of a plurality of wireless relay nodes according to the above node status information; A step of determining association information of a plurality of wireless relay nodes according to the transmission delay information and the beam information; and An information interaction method comprising the step of changing topology information of the local wireless signal transmission network according to the above association information.
  11. In Paragraph 10, The above-mentioned fifth transmission method includes at least one communication method among an SSB channel, a CSI-RS channel, MAC signaling, RRC signaling, paging signaling, and node-only signaling; The second measurement signal above includes a beam number corresponding to a beam transmitted by a network device; The above-mentioned sixth transmission method is a wired transmission method or a wireless transmission method; If the above-mentioned sixth transmission method is a wireless transmission method, the above-mentioned sixth transmission method includes at least one communication method among a PUSCH channel, a RACH channel, MAC signaling, RRC signaling, and node-only signaling; The above node status information is, The unique identification number or network number of the current wireless relay node; Transmission delay or reception time dedicated to the measured network topology; and Information interaction method comprising at least one piece of information among received beam numbers corresponding to a beam transmitted by a network device.
  12. In paragraph 8, The above node status information includes a network logout status or a network login status; In response to this, the step of changing the topology information of the local wireless signal transmission network according to the first interaction information is, If the node status information is in a network logout state, the step of deleting the corresponding wireless relay node from the topology information of the local wireless signal transmission network and reconstructing the topology information of the local wireless signal transmission network; and Information interaction method comprising the step of, when the node state information is in a network login state, adding a corresponding wireless relay node to the topology information of the local wireless signal transmission network and reconstructing the topology information of the local wireless signal transmission network.
  13. In paragraph 8, After the step of changing the topology information of the above-mentioned regional wireless signal transmission network, the method, The method further includes the step of transmitting a node correction command to a plurality of wireless relay nodes according to the topology information of the changed local wireless signal transmission network, and performing number unification and management for the corresponding wireless relay nodes; The above node correction command is, Unique identification ID of the target wireless relay node; Network number of the target wireless relay node in the above-mentioned regional wireless signal transmission network; Network number of the previous hop wireless relay node of the target wireless relay node; The number of next-hop wireless relay nodes of the target wireless relay node and the corresponding network number; and Information interaction method comprising at least one piece of information among beam information corresponding to each next-hop wireless relay node of a target wireless relay node.
  14. In paragraph 1 or 2, The above first interaction information is operation validation information; The step of obtaining first interaction information by performing information interaction with the plurality of wireless relay nodes mentioned above is: A step of obtaining current topology information of the above-mentioned regional wireless signal transmission network; A step of obtaining first beam information corresponding to a wireless relay node to be operated according to the above topology information; A step of transmitting to the wireless relay node to operate a codebook control command via a seventh communication method according to the first beam information above; and It includes the step of receiving operation validation information fed back from the above wireless relay node; In response to this, the step of determining, establishing, or maintaining topology information of the local wireless signal transmission network according to the first interaction information is, An information interaction method comprising the step of updating topology information of the local wireless signal transmission network according to the operation validation information.
  15. As an information interaction method applied to a wireless relay node, The above wireless relay node, network device, and at least one other wireless relay node form a local wireless signal transmission network, and the local wireless signal transmission network is a multi-hop mobile communication network; The above method comprises the step of receiving a network access control signal or a first measurement signal from the network device through a first transmission method; A step of obtaining association information of a current wireless relay node in the local wireless signal transmission network by searching for pre-stored prior information according to the network access control signal; A step of generating access feedback information according to the above association information; and The method includes the step of transmitting the access feedback information to the network device so that the network device determines or establishes topology information of the local wireless signal transmission network according to the interaction information; An information interaction method in which the wireless relay node performs information interaction directly with the network device, or the wireless relay node performs information interaction with the network device through another wireless relay node.
  16. As an information interaction method applied to a communication system, The above communication system includes a local wireless signal transmission network formed of a network device and a plurality of wireless relay nodes, and The above method is, The step of the above network device performing an information interaction method according to claim 1; In response to this, An information interaction method comprising the step of the above wireless relay node performing an information interaction method according to claim 15.
  17. As a computer-readable storage medium storing computer-executable instructions, The above computer-executable command is, Information interaction method according to paragraph 1; or, A computer-readable storage medium for performing information interaction methods according to paragraph 15.
  18. delete
  19. delete
  20. delete

Description

Information interaction method, network device, signal relay node, and storage medium [Cross-reference of related applications] The present invention was filed based on a Chinese patent application with application number 202210457919.8 and a filing date of April 27, 2022, and claims priority to said Chinese patent application, all contents of said Chinese patent application are incorporated into the present invention by reference. [Technology Field] Embodiments of the present invention relate to the field of communication technology, and in particular to information interaction methods, network devices, signal relay nodes, and storage media. In a wireless mobile communication network (e.g., 2G/3G/4G/5G mobile communication network), relay devices or equipment may be added to enhance the performance of the link between a network device (e.g., a base station) and a UE (User Equipment). The relay device may be a Reconfigurable Intelligent Surface (RIS) or a Smart Repeater (SR). For example, an RIS is an artificial electromagnetic surface structure with programmable electromagnetic properties, composed of an array of a certain number of electromagnetic units, and implements intelligent reconstruction of wireless signal propagation characteristics in three-dimensional space by dynamically adjusting the electromagnetic properties of the electromagnetic units. In related technologies, only a single relay device is used in wireless communication links, but this solution has limited coverage distance and area, making it difficult to achieve full coverage enhancement and dead zone compensation effects. For example, due to certain limitations on the placement location of the RIS and the uncertainty of obstacles, it becomes impossible to transmit a signal to a corresponding target location using only a single reflection or transmission. The following is an overview of the subject matter described in detail herein. This overview is not intended to limit the scope of protection of the claims. Embodiments of the present invention provide an information interaction method, a network device, a signal relay node, and a storage medium that are advantageous for implementing more comprehensive signal coverage enhancement and blind spot compensation by enabling effective management and interaction of multiple relay nodes through information interaction between a network device and a relay node. According to a first aspect, the present invention provides an information interaction method applied to a network device, wherein the network device and a plurality of wireless relay nodes form a local wireless signal transmission network, and the local wireless signal transmission network is a multi-hop mobile communication network; The above method is, A step of obtaining first interaction information by performing information interaction with a wireless relay node; and Based on the first interaction information, the method includes the step of determining, establishing, or maintaining topology information of the local wireless signal transmission network. According to a second aspect, the present invention further provides an information interaction method applied to a wireless relay node, and The above wireless relay node, network device, and at least one other wireless relay node form a local wireless signal transmission network, and the local wireless signal transmission network is a multi-hop mobile communication network; The above method is, The method includes the step of performing information interaction with the network device to cause the network device to determine, establish, or maintain topology information of the local wireless signal transmission network according to the interaction information; The above wireless relay node performs information interaction directly with the network device, or the above wireless relay node performs information interaction with the network device through another wireless relay node. According to a third aspect, the present invention further provides an information interaction method applied to a communication system, wherein the communication system includes a local wireless signal transmission network formed of a network device and a plurality of wireless relay nodes, and the method comprises A step in which the above network device performs an information interaction method according to a first embodiment; In response to this, The above wireless relay node includes the step of performing an information interaction method according to a second embodiment. According to a fourth aspect, the present invention further provides a network device comprising a first memory, a first processor, and a computer program stored in the first memory and executable on the first processor, and when the first processor executes the computer program, an information interaction method according to a first aspect is implemented. According to a fifth aspect, the present invention further provides a wireless