CN-121985426-A - Information transmission method, communication node, medium, and program product

CN121985426ACN 121985426 ACN121985426 ACN 121985426ACN-121985426-A

Abstract

The application discloses an information transmission method, a communication node, a medium and a program product. The method comprises the steps of receiving control information from a second communication node corresponding to the first communication node, and forwarding signals according to the control information, wherein the control information comprises frequency domain resource information. And adding frequency domain resource information into control information sent to the first communication node by the second communication node corresponding to the first communication node, so that the first communication node can obtain additional resource information which can be used for forwarding operation besides beam information and time resource information, the resource richness of the first communication node for forwarding operation is improved, and the configuration requirement for the forwarding operation of the first communication node is met.

Inventors

ZHENG SHUANG
ZHANG NAN
CAO WEI
XU HANQING

Assignees

中兴通讯股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250214

Claims (20)

1. An information transmission method, applied to a first communication node, comprising: Receiving control information from a second communication node corresponding to the first communication node; Signal forwarding is carried out according to the control information; Wherein the control information comprises frequency domain resource information.
2. The information transmission method according to claim 1, wherein the frequency domain resource information is used to indicate frequency domain resources for an amplification forwarding or forwarding operation; the application of the frequency domain resource comprises at least one of an access link, a return link; the frequency domain resource information comprises first frequency domain resource information and second frequency domain resource information.
3. The information transmission method according to claim 2, wherein the first frequency domain resource information includes at least one of: One or more carriers, bands, sub-bands, passbands, or bandwidth portions; One or more frequency domain groups comprising one or more carriers/bands/sub-bands/passbands/bandwidth portions; one or more carriers, bands, sub-bands, passbands or bandwidth portions of a frequency domain group.
4. The information transmission method according to claim 3, wherein the second frequency domain resource information is information for indicating the frequency domain group in a case where the first frequency domain resource information is used for indicating one or more carriers, frequency bands, sub-bands, pass bands, or bandwidth parts in the one frequency domain group.
5. The information transmission method according to claim 2, wherein the manner of carrying the frequency domain resource information includes at least one of: radio resource control, RRC, signaling; the media access control layer controls element MAC CE signaling; downlink control information, DCI, signaling.
6. The information transmission method according to claim 5, wherein the manner of carrying the first frequency domain resource information through the radio resource control signaling comprises at least one of: adding a new field in each forwarding resource configured through radio resource control signaling to carry the first frequency domain resource information; Adding a new field in the same radio resource control signaling used for configuring forwarding resources to bear the first frequency domain resource information, wherein the first frequency domain resource information is applicable to all forwarding resources configured in the radio resource control signaling; the first frequency domain resource information is carried by radio resource control signaling different from radio resource control signaling used to configure forwarding resources.
7. The method according to claim 5, wherein the manner in which the first frequency domain resource information is signaled by the medium access control layer control element comprises at least one of: Adding a new field in the media access control layer control element signaling for activating/deactivating the semi-persistent forwarding resource list/set to bear the first frequency domain resource information, wherein the first frequency domain resource information is suitable for the semi-persistent forwarding resource activated by the corresponding media access control layer control element signaling; Adding one or more new fields in the media access control layer control element signaling for activating/deactivating the semi-persistent forwarding resource list/set to carry one or more first frequency domain resource information, wherein the one or more first frequency domain resource information is respectively applicable to the one or more semi-persistent forwarding resources activated by the corresponding media access control layer control element signaling; The first frequency domain resource information is carried by a medium access control layer control element signaling that is different from the medium access control layer control element signaling used to activate/deactivate the list/set of semi-persistent forwarding resources.
8. The information transmission method according to claim 5, wherein the manner of carrying the first frequency domain resource information by downlink control information signaling includes at least one of: Adding one or more new fields in the downlink control information signaling to bear one or more first frequency domain resource information, wherein each first frequency domain resource information corresponds to one or more beam information and time domain resource information in the downlink control information signaling; Scrambling downlink control information signaling through a new wireless network temporary identifier so as to bear the first frequency domain resource information through the scrambled downlink control information signaling, wherein the downlink control information scrambled through the new wireless network temporary identifier comprises one or more pieces of first frequency domain resource information, beam information associated with the one or more pieces of first frequency domain resource information and time domain resource information associated with the one or more pieces of first frequency domain resource information; The first frequency domain resource information is carried by a different downlink control information signaling/downlink control information format than the downlink control information signaling used to indicate the beam information and the time domain resource information.
9. The information transmission method according to claim 5, wherein, in the case that the first frequency domain resource information is used to indicate the frequency domain resource of the backhaul link, the manner of carrying the first frequency domain resource information includes at least one of: adding a new field in a media access control layer control element signaling for indicating beam information of a return link so as to bear first frequency domain resource information; And adding a corresponding field in signaling for carrying the first frequency domain resource information applicable to the access link so as to carry the first frequency domain resource information applicable to the backhaul link.
10. The information transmission method according to claim 2, wherein frequency domain resource information for the access link is also used for the backhaul link.
11. The information transmission method according to claim 2, wherein the determining the bit width of the first frequency domain resource information includes at least one of: a determination of the number of frequency domain resources supported by the first communication node; A frequency domain group number decision supported by the first communication node; determined by the number of carriers/bands/sub-bands/pass-bands/bandwidth parts in the frequency domain group.
12. The information transmission method according to claim 2, wherein the format of the first frequency domain resource information includes at least one of: logical indexing/identification; A starting physical resource block and/or a starting resource unit, and an ending physical resource block and/or an ending resource unit; A starting physical resource block and/or a starting resource unit, and a number of consecutive physical resource blocks and/or a number of consecutive resource units; Absolute radio channel number; global synchronization channel number; Absolute carrier frequency.
13. The method for transmitting information according to any one of claims 1 to 12, wherein the control information further includes beam information and time resource information.
14. The information transmission method according to any one of claims 1 to 12, characterized by further comprising, before said receiving control information from a second communication node corresponding to the first communication node: capability information is reported to a second communication node corresponding to the first communication node.
15. The information transmission method according to claim 14, wherein the capability information includes at least one of: frequency domain resources of one or more access links and/or backhaul links supported by the first communication node; The frequency domain resource quantity of an access link and/or a return link respectively supported by the first communication node; The first communication node supports the frequency domain resource quantity of an access link and/or a return link which are transmitted simultaneously; the frequency offset capability of the first communication node.
16. The information transmission method according to any one of claims 2 to 12, characterized in that in the control information first beam information and first time resource information for periodic forwarding operation provided by first signaling and second beam information and second time resource information for semi-persistent forwarding operation provided by second signaling are included, the first beam information and the first time resource information and the second beam information and the second time resource information each correspond to associated first frequency domain resource information, and in case the first time resource information and the second time resource information overlap within one or more symbols, at least one of the following is included: Applying the first beam information and the first frequency domain resource information associated with the first beam information in the one or more symbols for transmission or reception of an access link if only the first signaling includes a priority flag, otherwise applying the second beam information and the first frequency domain resource information associated with the second beam information in the one or more symbols for transmission or reception of an access link; The method comprises the steps of applying corresponding beam information according to the frequency domain resource priority order of a first communication node, wherein the determining mode of the frequency domain resource priority order of the first communication node comprises at least one of predefining the frequency domain resource priority order of the first communication node and a second communication node corresponding to the first communication node, reporting the frequency domain resource priority order of the first communication node to the second communication node corresponding to the first communication node by the first communication node, predefining the frequency domain resource priority order of the first communication node to the first communication node and the second communication node corresponding to the first communication node by operation management maintenance signaling, and configuring the frequency domain resource priority order of the first communication node to the first communication node by the second communication node corresponding to the first communication node; Introducing a frequency domain priority flag associated with the first frequency domain resource information to apply, in the one or more symbols, the first frequency domain resource information including the frequency domain priority flag and beam information associated with the first frequency domain resource information for transmission or reception of an access link; Directly applying the second beam information and the first frequency domain resource information associated with the second beam information in the one or more symbols to transmit or receive an access link; And directly applying the first beam information and the first frequency domain resource information associated with the first beam information in the one or more symbols to transmit or receive an access link.
17. The information transmission method according to claim 16, wherein at least one of the following conditions is satisfied: the first beam information and the second beam information are different; The first beam information is the same as the second beam information; the first frequency domain resource information associated with the first beam information is different from the first frequency domain resource information associated with the second beam information; only one of the first frequency domain resource information associated with the first beam information and the first frequency domain resource information associated with the second beam information has a frequency domain priority flag; The first signaling and the second signaling do not contain priority marks; the first signaling and the second signaling both comprise priority marks.
18. The information transmission method according to any one of claims 2 to 12, characterized in that in the control information there is included first beam information and first time resource information for periodic forwarding operation provided by first signaling, or first beam information and first time resource information for semi-persistent forwarding operation provided by second signaling, and second beam information and second time resource information for non-periodic forwarding operation provided by third signaling, the first beam information and the first time resource information and the second beam information and the second time resource information each corresponding to associated first frequency domain resource information, and in case the first time resource information and the second time resource information overlap within one or more symbols, at least one of: Applying the first beam information and first frequency domain resource information associated with the first beam information in the one or more symbols for transmission or reception of an access link in case the first signaling or the second signaling contains a priority flag; applying the second beam information and first frequency domain resource information associated with the second beam information in the one or more symbols for transmission or reception of an access link in case the first signaling or the second signaling does not contain a priority flag; The method comprises the steps of applying corresponding beam information according to the frequency domain resource priority order of a first communication node, wherein the determining mode of the frequency domain resource priority order of the first communication node comprises at least one of predefining the frequency domain resource priority order of the first communication node and a second communication node corresponding to the first communication node, reporting the frequency domain resource priority order of the first communication node to the second communication node corresponding to the first communication node by the first communication node, predefining the frequency domain resource priority order of the first communication node to the first communication node and the second communication node corresponding to the first communication node by operation management maintenance signaling, and configuring the frequency domain resource priority order of the first communication node to the first communication node by the second communication node corresponding to the first communication node; Directly applying the second beam information and the first frequency domain resource information associated with the second beam information in the one or more symbols to transmit or receive an access link; Directly applying the first beam information and first frequency domain resource information associated with the first beam information in the one or more symbols to transmit or receive an access link; A frequency domain priority flag associated with the first frequency domain resource information is introduced to apply the first frequency domain resource information including the frequency domain priority flag and associated beam information in the one or more symbols for transmission or reception of an access link.
19. The information transmission method according to claim 18, wherein at least one of the following conditions is satisfied: the first beam information and the second beam information are different; The first beam information is the same as the second beam information; the first frequency domain resource information associated with the first beam information is different from the first frequency domain resource information associated with the second beam information; the first signaling or the second signaling does not include a priority flag; Either the first signaling or the second signaling includes a priority flag.
20. The information transmission method according to any one of claims 2-12, characterized in that first beam information and first time resource information for a same type of forwarding operation provided by a same signaling, and second beam information and second time resource information are included in the control information, the first beam information and the first time resource information and the second beam information and the second time resource information each correspond to associated first frequency domain resource information, and in case the first time resource information and the second time resource information overlap within one or more symbols, at least one of the following is included: Introducing a frequency domain priority flag associated with the first frequency domain resource information to apply the first frequency domain resource information containing the frequency domain priority flag and associated beam information in the one or more symbols for transmission or reception of an access link; The method comprises the steps of applying corresponding beam information according to the frequency domain resource priority order of a first communication node, wherein the determining mode of the frequency domain resource priority order of the first communication node comprises at least one of predefining the frequency domain resource priority order of the first communication node and a second communication node corresponding to the first communication node, reporting the frequency domain resource priority order of the first communication node to the second communication node corresponding to the first communication node by the first communication node, predefining the frequency domain resource priority order of the first communication node to the first communication node and the second communication node corresponding to the first communication node through operation management maintenance signaling, and configuring the frequency domain resource priority order of the first communication node to the first communication node through the second communication node corresponding to the first communication node.

Description

Information transmission method, communication node, medium, and program product Technical Field The present application relates to the field of communications technologies, and in particular, to an information transmission method, a communication node, a medium, and a program product. Background In digital communication systems, a new type of network Node, also called Smart Node (SN), is currently introduced as an enhancement of conventional radio frequency repeaters, which have the capability of receiving and processing control information from the network side. The network node is typically located at a selected location in the digital communication system that has good radio channel conditions (e.g., has a direct view path) to a Base Station (BS). Which is operable to receive and decode control information from a controller in a digital communication system and perform a forwarding operation based on the received control information. In the current implementation process, the SN receives control information including beam information and time resource information provided by the controller to implement forwarding operation, but some additional resource information needs to be used for the forwarding operation of the SN, and the indication manner of the additional resource information is not clear at present, so that it is difficult to meet the configuration requirement of the SN to perform the forwarding operation. Disclosure of Invention The application provides an information transmission method, a communication node, a medium and a program product, which are used for solving the problem that an SN (sequence number) in a digital communication system cannot acquire additional resource information for forwarding operation except identification information and time resource information, realizing diversified configuration aiming at the SN forwarding operation resource requirement and improving the communication capacity of the digital communication system. To achieve the above object, an embodiment of the present application provides an information transmission method, applied to a first communication node, including: receiving control information from a second communication node corresponding to the first communication node; Signal forwarding is carried out according to the control information; wherein the control information includes frequency domain resource information. To achieve the above object, an embodiment of the present application provides an information transmission method, applied to a second communication node, including: transmitting control information to a first communication node corresponding to a second communication node; wherein the control information includes frequency domain resource information. To achieve the above object, an embodiment of the present application provides a communication node including a memory, a processor, a program stored on the memory and executable on the processor, and a data bus for implementing connection communication between the processor and the memory, the program implementing the steps of the information transmission method according to any one of the embodiments of the present application when executed by the processor. To achieve the above object, an embodiment of the present application provides a storage medium for computer-readable storage, the storage medium storing one or more programs executable by one or more processors to implement the steps of the information transmission method of any one of the embodiments of the present application. To achieve the above object, embodiments of the present application provide a computer program product comprising a computer program which, when executed by a processor, implements the steps of the information transmission method of any one of the embodiments of the present application. The information transmission method, the communication node, the medium and the program product provided by the embodiment of the application receive the control information from the second communication node corresponding to the first communication node, and forward the signal according to the control information, wherein the control information comprises the frequency domain resource information. By adopting the technical scheme, the frequency domain resource information is added to the control information sent to the first communication node by the second communication node corresponding to the first communication node, so that the first communication node can obtain additional resource information which can be used for forwarding operation except the beam information and the time resource information, the resource richness of the first communication node for forwarding operation is improved, and the configuration requirement for the forwarding operation of the first communication node is met. Drawings FIG. 1 is a diagram showing an exemplary structure of an SN according to the prior art; fig. 2 is a diagram illustratin