EP-4742795-A1 - INFORMATION TRANSMISSION METHOD AND APPARATUS, AND DEVICE AND STORAGE MEDIUM

EP4742795A1EP 4742795 A1EP4742795 A1EP 4742795A1EP-4742795-A1

Abstract

The present application relates to the field of communications. Disclosed are an information transmission method and apparatus, and a device and a storage medium. The method comprises: receiving first configuration information, which is used for indicating at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein a terminal device operates on at least some frequency-domain resource sets among the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set, and a third frequency-domain resource set. The accuracy and reliability of time-domain synchronization of a plurality of frequency-domain resource sets on which the present apparatus operates can be guaranteed, and resource overheads in a communication system can also be reduced, thereby avoiding power consumption waste caused by redundant information, and improving the transmission efficiency of the communication system.

Inventors

LIN, YANAN
XU, JING

Assignees

GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

Dates

Publication Date: 20260513
Application Date: 20230707

Claims (20)

A method for transmitting information, performed by a terminal device, the method comprising: receiving first configuration information, wherein the first configuration information is used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set; wherein a first synchronization signal is transmitted on each of the at least one first frequency-domain resource set, and no first broadcast information is transmitted on each of the at least one first frequency-domain resource set; no second synchronization signal or second broadcast information is transmitted on each of the at least one second frequency-domain resource set; and a third synchronization signal and third broadcast information are transmitted on the third frequency-domain resource set.
The method according to claim 1, wherein the first configuration information comprises at least one of: information indicating whether the at least one first frequency-domain resource set is present; information of the at least one first frequency-domain resource set; information indicating whether the at least one second frequency-domain resource set is present; information of the at least one second frequency-domain resource set; or a combination index of frequency-domain resource sets, wherein the combination index is used to indicate a combination of at least two of: the at least one first frequency-domain resource set, the information of the at least one first frequency-domain resource set, the at least one second frequency-domain resource set, and the information of the at least one second frequency-domain resource set.
The method according to claim 2, wherein the information of the at least one first frequency-domain resource set comprises at least one of: a number of the first frequency-domain resource sets, a frequency-domain position of the at least one first frequency-domain resource set, a central frequency point of the at least one first frequency-domain resource set, a bandwidth of the at least one first frequency-domain resource set, a subcarrier spacing of the at least one first frequency-domain resource set, a frequency-domain guard bandwidth of the at least one first frequency-domain resource set, a time-division duplex (TDD) uplink-downlink configuration corresponding to the at least one first frequency-domain resource set, information indicating whether a synchronization signal is contained in the at least one first frequency-domain resource set, a measurement configuration of the at least one first frequency-domain resource set, or a reporting configuration of the at least one first frequency-domain resource set; and the information of the at least one second frequency-domain resource set comprises at least one of: a number of the second frequency-domain resource sets, a frequency-domain position of the at least one second frequency-domain resource set, a central frequency point of the at least one second frequency-domain resource set, a bandwidth of the at least one second frequency-domain resource set, a subcarrier spacing of the at least one second frequency-domain resource set, a frequency-domain guard bandwidth of the at least one second frequency-domain resource set, a TDD uplink-downlink configuration corresponding to the at least one second frequency-domain resource set, information indicating whether a synchronization signal is contained in the at least one second frequency-domain resource set, a measurement configuration of the at least one second frequency-domain resource set, or a reporting configuration of the at least one second frequency-domain resource set.
The method according to any one of claims 1 to 3, wherein the first configuration information is used to indicate the at least one first frequency-domain resource set; and the method further comprises: receiving second configuration information, wherein the second configuration information is used to indicate transmission information for the first synchronization signal.
The method according to claim 4, wherein the transmission information comprises at least one of structure information, sequence information, time-domain resource information, or frequency-domain resource information.
The method according to claim 5, wherein the transmission information for the first synchronization signal is consistent with at least one of: transmission information for a primary synchronization signal (PSS) applicable to a long-term evolution (LTE) system; transmission information for a secondary synchronization signal (SSS) applicable to an LTE system; transmission information for a PSS applicable to a new radio (NR) system; or transmission information for an SSS applicable to an NR system.
The method according to any one of claims 4 to 6, wherein the second configuration information is used to indicate a time-domain position of the first synchronization signal, or indicate a time-domain offset of the first synchronization signal relative to other synchronization signals.
The method according to any one of claims 1 to 7, wherein the first configuration information is used to indicate the at least one second frequency-domain resource set; and an association is present between the second frequency-domain resource set and a fourth frequency-domain resource set, and a fourth synchronization signal is transmitted on the fourth frequency-domain resource set.
The method according to claim 8, wherein the association comprises at least one of the following cases: the second frequency-domain resource set and the fourth frequency-domain resource set are synchronized in a time domain; a time-domain unit corresponding to the second frequency-domain resource set is the same as a time-domain unit corresponding to the fourth frequency-domain resource set; a time-domain interval between a time-domain unit corresponding to the second frequency-domain resource set and a time-domain unit corresponding to the fourth frequency-domain resource set is less than a first threshold; or synchronization of the second frequency-domain resource set is performed based on the fourth synchronization signal.
The method according to claim 9, wherein the first threshold is related to a subcarrier spacing used by the second frequency-domain resource set, or the first threshold is related to a subcarrier spacing used by the fourth frequency-domain resource set, or the first threshold is related to the subcarrier spacing used by the second frequency-domain resource set and the subcarrier spacing used by the fourth frequency-domain resource set, or the first threshold is related to a cyclic prefix (CP) length used by the second frequency-domain resource set, or the first threshold is related to a CP length used by the fourth frequency-domain resource set, or the first threshold is related to the CP length used by the second frequency-domain resource set and the CP length used by the fourth frequency-domain resource set, or the first threshold is determined in a communication protocol.
The method according to any one of claims 8 to 10, wherein the second frequency-domain resource set is used to transmit a channel state information reference signal (CSI-RS); or synchronization of the terminal device is performed based on the CSI-RS transmitted on the second frequency-domain resource set.
The method according to any one of claims 1 to 11, wherein the first configuration information is transmitted over at least one of: a physical broadcast channel (PBCH) carried by the first frequency-domain resource set; broadcast information carried by the first frequency-domain resource set; a master indication block (MIB) carried by the first frequency-domain resource set; or a system information block (SIB) carried by the first frequency-domain resource set.
The method according to claim 12, wherein the first configuration information is transmitted in one of the following manners: part of information indicated by the first configuration information is transmitted over the MIB; part of information indicated by the first configuration information is transmitted over the SIB; first part of information indicated by the first configuration information is transmitted over the MIB, and second part of information indicated by the first configuration information is transmitted over the SIB; all information indicated by the first configuration information is transmitted over the MIB; or all information indicated by the first configuration information is transmitted over the SIB.
The method according to any one of claims 1 to 13, further comprising: receiving a synchronization signal block (SSB) on the third frequency-domain resource set, wherein the SSB comprises the third synchronization signal and the third broadcast information.
The method according to any one of claims 1 to 14, wherein at least one of the following correspondence relationships is present between a frequency-domain resource set indicated by the first configuration information and the third frequency-domain resource set: belonging to a same serving cell; corresponding to a same hybrid automatic repeat request (HARQ) entity; corresponding to same broadcast information; being scheduled by a same scheduling signaling; being used to transmit a same physical channel; the at least one first frequency-domain resource set being used to retransmit data transmitted on the third frequency-domain resource set; the at least one second frequency-domain resource set being used to retransmit data transmitted on the third frequency-domain resource set; the third frequency-domain resource set being used to retransmit data transmitted within the at least one first frequency-domain resource set; or the third frequency-domain resource set being used to retransmit data transmitted within the at least one second frequency-domain resource set.
The method according to any one of claims 1 to 15, further comprising: transmitting first information to a network device, wherein the first information comprises at least one of: information indicating whether a capability to operate in the at least one first frequency-domain resource set is present; information indicating whether a capability to operate in the at least one second frequency-domain resource set is present; information indicating whether the at least one first frequency-domain resource set is used; information indicating whether the at least one second frequency-domain resource set is used; a suggested frequency-domain resource set; a desired frequency-domain resource set; a measurement result corresponding to the at least one first frequency-domain resource set; or a measurement result corresponding to the at least one second frequency-domain resource set.
The method according to claim 16, further comprising: receiving third configuration information, wherein the third configuration information is used to indicate part of the frequency-domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set.
A method for transmitting information, performed by a network device, the method comprising: transmitting first configuration information to a terminal device, wherein the first configuration information being used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set; wherein a first synchronization signal is transmitted on the first frequency-domain resource set, and no first broadcast information is transmitted on the first frequency-domain resource set; no second synchronization signal or second broadcast information is transmitted on the second frequency-domain resource set; and a third synchronization signal and third broadcast information are transmitted on the third frequency-domain resource set.
The method according to claim 18, wherein the first configuration information comprises at least one of: information indicating whether the at least one first frequency-domain resource set is present; information of the at least one first frequency-domain resource set; information indicating whether the at least one second frequency-domain resource set is present; information of the at least one second frequency-domain resource set; or a combination index of frequency-domain resource sets, wherein the combination index is used to indicate a combination of at least two of: the at least one first frequency-domain resource set, the information of the at least one first frequency-domain resource set, the at least one second frequency-domain resource set, and the information of the at least one second frequency-domain resource set.
The method according to claim 19, wherein the information of the at least one first frequency-domain resource set comprises at least one of: a number of the first frequency-domain resource sets, a frequency-domain position of the at least one first frequency-domain resource set, a central frequency point of the at least one first frequency-domain resource set, a bandwidth of the at least one first frequency-domain resource set, a subcarrier spacing of the at least one first frequency-domain resource set, a frequency-domain guard bandwidth of the at least one first frequency-domain resource set, a time-division duplex (TDD) uplink-downlink configuration corresponding to the at least one first frequency-domain resource set, information indicating whether a synchronization signal is comprised in the at least one first frequency-domain resource set, a measurement configuration of the at least one first frequency-domain resource set, or a reporting configuration of the at least one first frequency-domain resource set; and the information of the at least one second frequency-domain resource set comprises at least one of: a number of the second frequency-domain resource sets, a frequency-domain position of the at least one second frequency-domain resource set, a central frequency point of the at least one second frequency-domain resource set, a bandwidth of the at least one second frequency-domain resource set, a subcarrier spacing of the at least one second frequency-domain resource set, a frequency-domain guard bandwidth of the at least one second frequency-domain resource set, a TDD uplink-downlink configuration corresponding to the at least one second frequency-domain resource set, information indicating whether a synchronization signal is comprised in the at least one second frequency-domain resource set, a measurement configuration of the at least one second frequency-domain resource set, or a reporting configuration of the at least one second frequency-domain resource set.

Description

TECHNICAL FIELD The present disclosure relates to the field of communications, and in particular, relates to a method and an apparatus for transmitting information, and a device and a storage medium thereof. RELATED ART Communication based on carrier aggregation (CA) technology is supported between a network device and a terminal device. In a CA communication scenario, the terminal device still receives system information such as synchronization signals and broadcast information on each carrier, which is evidently quite redundant. Therefore, how to reduce the overhead caused by redundant information in the CA communication scenario is a problem that needs to be addressed. SUMMARY Embodiments of the present disclosure provide a method and an apparatus for transmitting information, and a device and a storage medium thereof. The technical solutions are as follows. According to an aspect of the present disclosure, a method for transmitting information is provided. The method is performed by a terminal device. The method includes: receiving first configuration information, wherein the first configuration information is used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency-domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set; wherein a first synchronization signal is transmitted on each of the at least one the first frequency-domain resource set, and no first broadcast information is transmitted on each of the at least one the first frequency-domain resource set; no second synchronization signal or second broadcast information is transmitted on each of the at least one the second frequency-domain resource set; and a third synchronization signal and third broadcast information are transmitted on the third frequency-domain resource set. According to an aspect of the present disclosure, a method for transmitting information is provided. The method is performed by a network device. The method includes: transmitting first configuration information to a terminal device, wherein the first configuration information is used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency-domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set; wherein a first synchronization signal is transmitted on each of the at least one the first frequency-domain resource set, and no first broadcast information is transmitted on each of the at least one the first frequency-domain resource set; no second synchronization signal or second broadcast information is transmitted on each of the at least one the second frequency-domain resource set; and a third synchronization signal and third broadcast information are transmitted on the third frequency-domain resource set. According to an aspect of the present disclosure, an apparatus for transmitting information is provided. The apparatus includes: a first receiving module, configured to receive first configuration information, wherein the first configuration information is used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency-domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequency-domain resource set; wherein a first synchronization signal is transmitted on each of the at least one the first frequency-domain resource set, and no first broadcast information is transmitted on each of the at least one the first frequency-domain resource set; no second synchronization signal or second broadcast information is transmitted on each of the at least one the second frequency-domain resource set; and a third synchronization signal and third broadcast information are transmitted on the third frequency-domain resource set. According to an aspect of the present disclosure, an apparatus for transmitting information is provided. The apparatus includes: a second transmitting module, configured to transmit first configuration information to a terminal device, wherein the first configuration information is used to indicate at least one first frequency-domain resource set and/or at least one second frequency-domain resource set, wherein the terminal device operates on a third frequency-domain resource set and on at least part of frequency-domain resource sets within the at least one first frequency-domain resource set and/or the at least one second frequ