WO2023197170A1 - 传输同步方法及装置、存储介质 - Google Patents
传输同步方法及装置、存储介质 Download PDFInfo
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- WO2023197170A1 WO2023197170A1 PCT/CN2022/086431 CN2022086431W WO2023197170A1 WO 2023197170 A1 WO2023197170 A1 WO 2023197170A1 CN 2022086431 W CN2022086431 W CN 2022086431W WO 2023197170 A1 WO2023197170 A1 WO 2023197170A1
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 267
- 238000000034 method Methods 0.000 title claims abstract description 78
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- 230000001360 synchronised effect Effects 0.000 claims description 31
- 230000011664 signaling Effects 0.000 claims description 20
- 238000004590 computer program Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 18
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Definitions
- the present disclosure relates to the field of communications, and in particular to transmission synchronization methods and devices, and storage media.
- R17 (Release 17, version 17) only supports MBS (Multicast Broadcast Service, multicast broadcast service) synchronization in intra-DU (intra-Distributed Unit, inside the distribution unit) scenario, that is, for SFN (Single-Frequency Network) , single frequency network) MBS synchronization.
- MBS Multicast Broadcast Service, multicast broadcast service
- embodiments of the present disclosure provide a transmission synchronization method and device, and a storage medium.
- a transmission synchronization method is provided, and the method is applied to a second network side device, including:
- the MCCH transmission synchronization includes at least one of the following:
- the physical downlink control channel PDCCH transmission corresponding to MCCH transmission is synchronized
- the physical downlink shared channel PDSCH transmission corresponding to MCCH transmission is synchronized
- MCCH change notification information is synchronized.
- the MCCH transmission content includes at least one of the following:
- the MBS broadcasts the scheduling information of the session.
- the PDCCH transmission synchronization includes at least one of the following:
- Downlink control information DCI transmission content is synchronized
- the MCCH transmission configuration information includes at least one of the following:
- the method also includes at least one of the following:
- MCCH change notification information is sent to at least one of the first network side nodes.
- the method also includes:
- the MCCH change notification information synchronization includes at least one of the following:
- the PDCCH transmission corresponding to the MCCH change notification information is synchronized
- the wireless network temporary identifier RNTI is synchronized, and the RNTI is associated with the PDCCH corresponding to the MCCH change communication information.
- the MCCH transmission configuration information includes at least one of the following:
- the MCCH transmission repetition period includes at least one of the following: radio frame length, offset;
- the MCCH transmission window length includes at least one of the following: starting time slot and duration.
- sending synchronization control information to at least one first network side node includes:
- the synchronization control information is sent to at least one of the first network side nodes through inter-node signaling; wherein the synchronization control information is used to control at least one of the first network side nodes to perform the MCCH transmission content synchronization and/or Or the PDCCH transmission is synchronized.
- a transmission synchronization method is provided, and the method is applied to a first network side node and includes:
- the MCCH transmission synchronization is performed.
- the MCCH transmission synchronization includes at least one of the following:
- the physical downlink control channel PDCCH transmission corresponding to MCCH transmission is synchronized
- the physical downlink shared channel PDSCH transmission corresponding to MCCH transmission is synchronized
- MCCH change notification information is synchronized.
- the MCCH transmission content includes at least one of the following:
- the MBS broadcasts the scheduling information of the session.
- the PDCCH transmission synchronization includes at least one of the following:
- Downlink control information DCI transmission content is synchronized
- the MCCH transmission configuration information includes at least one of the following:
- the method also includes at least one of the following:
- the method also includes:
- the duration of the MCCH transmission content synchronization and/or the MCCH transmission configuration information synchronization is determined.
- the MCCH change notification information synchronization includes at least one of the following:
- the PDCCH transmission corresponding to the MCCH change notification information is synchronized
- the wireless network temporary identifier RNTI is synchronized, and the RNTI is associated with the PDCCH corresponding to the MCCH change communication information.
- the MCCH transmission configuration information includes at least one of the following:
- the MCCH transmission repetition period includes at least one of the following: radio frame length, offset;
- the MCCH transmission window length includes at least one of the following: starting time slot and duration.
- the receiving the synchronization control information sent by the second network side node includes:
- a transmission synchronization device is provided, and the device is applied to a second network side node and includes:
- a sending module configured to send synchronization control information to at least one first network side node; wherein the synchronization control information is used to control at least one of the first network side nodes to perform multicast broadcast service MBS control channel MCCH transmission synchronization.
- a transmission synchronization device is provided, and the device is applied to a first network side node and includes:
- a receiving module configured to receive synchronization control information sent by the second network side node; wherein the synchronization control information is used to control at least one of the first network side nodes to perform multicast broadcast service MBS control channel MCCH transmission synchronization;
- a synchronization module configured to perform the MCCH transmission synchronization based on the synchronization control information.
- a computer-readable storage medium stores a computer program, and the computer program is used to execute the transmission synchronization method described in any one of the above-mentioned first aspects.
- a computer-readable storage medium stores a computer program, and the computer program is used to execute the transmission synchronization method described in any one of the above second aspects.
- a transmission synchronization device including:
- Memory used to store instructions executable by the processor
- the processor is configured to execute the executable instructions to implement the steps of the transmission synchronization method described in any one of the above first aspects.
- a transmission synchronization device including:
- Memory used to store instructions executable by the processor
- the processor is configured to execute the executable instructions to implement the steps of the transmission synchronization method described in any one of the above second aspects.
- the present disclosure can control at least one first network side node by the second network side node to achieve MCCH transmission synchronization, realize MBS synchronization under the NR system, support wide area service deployment, expand SFN transmission scenarios, and improve cell edge performance and spectrum utilization. rate and high availability.
- Figure 1 is a schematic flowchart of a transmission synchronization method according to an exemplary embodiment.
- Figure 2 is a schematic flowchart of another transmission synchronization method according to an exemplary embodiment.
- Figure 3 is a schematic flowchart of another transmission synchronization method according to an exemplary embodiment.
- Figure 4 is a schematic flowchart of another transmission synchronization method according to an exemplary embodiment.
- Figure 5 is a block diagram of a transmission synchronization device according to an exemplary embodiment.
- Figure 6 is a block diagram of another transmission synchronization device according to an exemplary embodiment.
- FIG. 7 is a schematic structural diagram of a transmission synchronization device according to an exemplary embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of another transmission synchronization device according to an exemplary embodiment of the present disclosure.
- first, second, third, etc. may be used in this disclosure to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
- first information may also be called second information, and similarly, the second information may also be called first information.
- word “if” as used herein may be interpreted as "when” or “when” or “in response to determining.”
- MBS services can be marked by MBS service identifiers.
- MBS service identifiers include at least one of the following: TMGI (Temporary Mobile) Group Identity, temporary mobile group identification), MBS Session ID (MBS session identification), MBS QoS flow ID (MBS business flow identification).
- the transmission modes of MBS services include the following two:
- the terminal In transmission mode one (multicast transmission), the terminal enters RRC_CONNECTED (radio resource control connection state) to receive the transmission configuration information of the MBS service, so that it can receive the MBS service.
- the network side node sends the reception configuration information of the MBS service to the terminal through terminal-specific signaling.
- the terminal can receive the transmission configuration information of the MBS service in IDLE (idle) or INACTIVE (inactive state) or CONNECTED (connected state) and receive the MBS service.
- the network side node sends the MBS service reception configuration information to the terminal through system information and MCCH (MBS Control Channel, MBS Control Channel) information.
- the system information can be SIB (System Information Block).
- the present disclosure provides the following transmission synchronization method, device and storage medium.
- the transmission synchronization method provided by the present disclosure will be introduced below from the second network side node side.
- FIG. 1 is a flow chart of a transmission synchronization method according to an embodiment, which can be used for a second network side node, wherein the second network side
- the node may be a base station, CU (Centralized Unit, centralized unit), DU, or a network side node independent of the above-mentioned nodes, such as an MBS master control node.
- the method may include the following steps:
- step 101 synchronization control information is sent to at least one first network side node.
- the synchronization control information is used to control at least one of the first network side nodes to perform MCCH (MBS Control Channel, MBS Control Channel) transmission synchronization.
- MCCH MBS Control Channel, MBS Control Channel
- the method may be applied in NR or post-NR communication systems.
- the second network side node can control at least one first network side node to realize MCCH transmission synchronization, realize MBS synchronization under the NR system, support wide area service deployment, expand SFN transmission scenarios, and improve cell edge performance. and spectrum utilization, high availability.
- the MCCH transmission synchronization includes at least one of the following: MCCH transmission content synchronization; MCCH transmission corresponding physical downlink control channel PDCCH transmission synchronization; MCCH transmission corresponding physical downlink shared channel PDSCH transmission synchronization; MCCH transmission Configuration information is synchronized; MCCH change notification information is synchronized.
- MCCH transmission content synchronization refers to the synchronization of control information transmitted in the MCCH channel.
- the MCCH transmission content includes MBS broadcast service configuration information, which may specifically include at least one of the following: MBS broadcast session; and scheduling information of the MBS broadcast session.
- PDCCH Physical Downlink Control Channel
- transmission synchronization corresponding to MCCH transmission can be achieved through inter-node signaling, where the inter-node signaling can be inter-node signaling.
- PDCCH transmission synchronization includes at least one of the following: DCI (Downlink Control Information) transmission content synchronization; DCI transmission resource synchronization.
- PDSCH Physical Downlink Shared Channel
- DCI Physical Downlink Shared Channel
- MCCH transmission configuration information can be carried in SIB (System Information Block, system information block) for configuring receiving MCCH.
- SIB System Information Block, system information block
- the MCCH transmission configuration information includes at least one of the following: a transmission period of information in MCCH; a transmission resource location of information in MCCH.
- the transmission resource location includes but is not limited to the transmission time-frequency resource location.
- the second network side device determines that at least one of the MCCH transmission content has changed, the MBS session is about to start, and the MBS session has ended, the second network side device sends MCCH change notification information to at least one of the first network side nodes.
- Figure 2 is a flow chart of a transmission synchronization method according to an embodiment, which can be used for a second network side node, where the second network side node can be a base station. , CU, DU or a network-side node independent of the above-mentioned nodes, such as the MBS master control node.
- the method may include the following steps:
- step 201 configuration information is sent to at least one first network side node.
- the configuration information is used to indicate the configuration duration of the MCCH transmission content synchronization and/or the MCCH transmission configuration information synchronization.
- the effective duration refers to the duration that the control information is valid after the terminal synchronizes the control information transmitted by MCCH. After synchronizing the MCCH, the terminal may synchronize the MCCH again after the specified duration.
- the configuration information includes a cycle duration, and the effective duration is at least one time slot within the cycle. Wherein, at least one time slot in the cycle may be part or all of the time slots included in the cycle. This disclosure does not limit this.
- the configuration information includes a reference period.
- the action duration may be at least one time slot included in the reference period. Wherein, at least one time slot included in the reference period may be part or all of the time slots included in the reference period. This disclosure does not limit this.
- the reference period includes but is not limited to an absolute time period, SFN index, subframe index, and timeslot index.
- the first network side node determines that the action duration is at least one time slot included in the absolute time period.
- the at least one time slot included in the absolute time period may be part of the time slots or all the time slots included in the absolute time period, which is not limited in this disclosure.
- the first network side node determines that the action duration is at least one time slot included in at least one system frame corresponding to the system frame index.
- at least one system frame corresponding to the system frame index may be part of the system frame or all system frames corresponding to the system frame index.
- the at least one time slot included in the at least one system frame corresponding to the system frame index may be part of the time slots or all the time slots included in the at least one system frame corresponding to the system frame index. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot included in at least one subframe corresponding to the subframe index.
- the at least one subframe corresponding to the subframe index may be part of the subframes corresponding to the subframe index or all of the subframes.
- the at least one time slot included in the at least one subframe corresponding to the subframe index may be part of the time slots or all the time slots included in the at least one subframe corresponding to the subframe index. This disclosure does not limit this.
- the first network side node determines that the effective duration is at least one time slot corresponding to the time slot index.
- at least one time slot corresponding to the time slot index may be part of the time slots or all time slots corresponding to the time slot index. This disclosure does not limit this.
- the configuration information includes a reference time point.
- the duration of action can be at least one time slot before or after the reference time point. At least one time slot before or after the reference time point may be part or all of the time slots before or after the reference time point. This disclosure does not limit this.
- the reference time point includes but is not limited to an absolute time point, SFN index, subframe index, and slot index.
- the first network side node determines that the action duration is at least one time slot before or after the absolute time point.
- at least one time slot before or after the absolute time point may be part or all of the time slots before or after the absolute time point. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot before or after at least one system frame corresponding to the system frame index.
- at least one system frame corresponding to the system frame index may be part of the system frame or all system frames corresponding to the system frame index.
- the at least one time slot before or after the at least one system frame corresponding to the system frame index may be part of the time slots or all the time slots before or after the at least one system frame corresponding to the system frame index. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot before or after at least one subframe corresponding to the subframe index.
- the at least one subframe corresponding to the subframe index may be part of the subframes corresponding to the subframe index or all of the subframes.
- the at least one time slot before or after the at least one subframe corresponding to the subframe index may be part of the time slots or all the time slots before or after the at least one subframe corresponding to the subframe index. This disclosure does not limit this.
- the first network side node determines that the duration of action is at least one time slot before or after at least one time slot corresponding to the time slot index.
- at least one time slot corresponding to the time slot index may be part of the time slots or all time slots corresponding to the time slot index.
- the at least one time slot before or after the at least one time slot corresponding to the time slot index may be part of the time slots or all the time slots before or after the at least one time slot corresponding to the time slot index. This disclosure does not limit this.
- synchronization of MCCH change notification information includes at least one of the following: synchronization of PDCCH transmission corresponding to MCCH change notification information; synchronization of wireless network temporary identifier RNTI, where the RNTI is related to the PDCCH corresponding to the MCCH change communication information. Union.
- the MCCH transmission configuration information includes at least one of the following: MCCH transmission repetition period; MCCH transmission window length; MCCH change period.
- the MCCH transmission repetition period can be determined by the configured radio frame length and mcch-RepetitionPeriodAndOffset (offset).
- the MCCH transmission window can be determined by the configured mcch-WindowStartSlot (starting time slot) and mcch-WindowDuration (duration).
- the MCCH transmission content may be different only at the MCCH change period boundary.
- the MCCH modification period boundary can be determined by the configured mcch-ModificationPeriod (MCCH change period), that is, the MCCH change
- the second network side node may configure a time period for the first network side node to synchronize the MCCH transmission content and/or the MCCH transmission configuration information, so as to control the execution of at least one first network side node.
- MCCH transmission is synchronous and can save signaling resources and reduce latency.
- the second network side node may send the synchronization control information to at least one of the first network side nodes through inter-node signaling, where the synchronization control information is used to control at least one of the first network side nodes.
- the network side node performs the MCCH transmission content synchronization and/or the PDCCH transmission synchronization.
- the inter-node signaling may be inter-node signaling.
- MCCH transmission synchronization can be achieved through inter-node signaling, which is simple to implement and has high availability.
- FIG. 3 is a flow chart of a transmission synchronization method according to an embodiment, which can be used for a first network side node, wherein the first network side
- the node can be CU or DU, and the method can include the following steps:
- step 301 synchronization control information sent by the second network side node is received.
- the synchronization control information is used to control at least one of the first network side nodes to perform MCCH transmission synchronization.
- step 302 the MCCH transmission synchronization is performed based on the synchronization control information.
- the method may be applied in NR or post-NR communication systems.
- the first network side node can perform MCCH transmission synchronization based on the synchronization control information sent by the second network side node, realize MBS synchronization under the NR system, support wide area service deployment, expand SFN transmission scenarios, and improve cell efficiency. Edge performance and spectrum utilization, high availability.
- the MCCH transmission synchronization includes at least one of the following: MCCH transmission content synchronization; MCCH transmission corresponding physical downlink control channel PDCCH transmission synchronization; MCCH transmission corresponding physical downlink shared channel PDSCH transmission synchronization; MCCH transmission Configuration information is synchronized; MCCH change notification information is synchronized.
- MCCH transmission content synchronization refers to the synchronization of control information transmitted in the MCCH channel.
- the MCCH transmission content includes MBS broadcast service configuration information, which may specifically include at least one of the following: MBS broadcast session; and scheduling information of the MBS broadcast session.
- PDCCH transmission synchronization corresponding to MCCH transmission can be realized through inter-node signaling, where the inter-node signaling can be inter-node signaling.
- PDCCH transmission synchronization includes at least one of the following: DCI transmission content synchronization; DCI transmission resource synchronization.
- PDSCH transmission synchronization corresponding to MCCH transmission can be achieved through DCI transmission content synchronization.
- MCCH transmission configuration information can be carried in the SIB for configuring reception of MCCH.
- the MCCH transmission configuration information includes at least one of the following: a transmission period of information in MCCH; a transmission resource location of information in MCCH.
- the resource locations include but are not limited to time-frequency resource locations.
- the second network side device determines that at least one of the MCCH transmission content has changed, the MBS session is about to start, and the MBS session has ended, the second network side device sends MCCH change notification information to the first network side node.
- Figure 4 is a flow chart of a transmission synchronization method according to an embodiment, which can be used for a first network side node, where the first network side node can be a CU or DU, the method may include the following steps:
- step 401 receive configuration information sent by the second network side node.
- the configuration information is used to indicate the configuration duration of the MCCH transmission content synchronization and/or the MCCH transmission configuration information synchronization.
- the effective duration refers to the duration that the control information is valid after the terminal synchronizes the control information transmitted by MCCH. After synchronizing the MCCH, the terminal may synchronize the MCCH again after the specified duration.
- step 402 based on the configuration information, determine the duration of the MCCH transmission content synchronization and/or the MCCH transmission configuration information synchronization.
- the configuration information includes a cycle duration
- the effective duration is at least one time slot within the cycle.
- at least one time slot in the cycle may be part or all of the time slots included in the cycle. This disclosure does not limit this.
- the configuration information includes a reference period.
- the action duration may be at least one time slot included in the reference period. Wherein, at least one time slot included in the reference period may be part or all of the time slots included in the reference period. This disclosure does not limit this.
- the reference period includes but is not limited to an absolute time period, SFN index, subframe index, and timeslot index.
- the first network side node determines that the action duration is at least one time slot included in the absolute time period.
- the at least one time slot included in the absolute time period may be part of the time slots or all the time slots included in the absolute time period, which is not limited in this disclosure.
- the first network side node determines that the action duration is at least one time slot included in at least one system frame corresponding to the system frame index.
- at least one system frame corresponding to the system frame index may be part of the system frame or all system frames corresponding to the system frame index.
- the at least one time slot included in the at least one system frame corresponding to the system frame index may be part of the time slots or all the time slots included in the at least one system frame corresponding to the system frame index. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot included in at least one subframe corresponding to the subframe index.
- the at least one subframe corresponding to the subframe index may be part of the subframes corresponding to the subframe index or all of the subframes.
- the at least one time slot included in the at least one subframe corresponding to the subframe index may be part of the time slots or all the time slots included in the at least one subframe corresponding to the subframe index. This disclosure does not limit this.
- the first network side node determines that the effective duration is at least one time slot corresponding to the time slot index.
- at least one time slot corresponding to the time slot index may be part of the time slots or all time slots corresponding to the time slot index.
- the configuration information includes a reference time point.
- the duration of action can be at least one time slot before or after the reference time point. At least one time slot before or after the reference time point may be part or all of the time slots before or after the reference time point. This disclosure does not limit this.
- the reference time point includes but is not limited to an absolute time point, SFN index, subframe index, and timeslot index.
- the first network side node determines that the action duration is at least one time slot before or after the absolute time point.
- at least one time slot before or after the absolute time point may be part or all of the time slots before or after the absolute time point. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot before or after at least one system frame corresponding to the system frame index.
- at least one system frame corresponding to the system frame index may be part of the system frame or all system frames corresponding to the system frame index.
- the at least one time slot before or after the at least one system frame corresponding to the system frame index may be part of the time slots or all the time slots before or after the at least one system frame corresponding to the system frame index. This disclosure does not limit this.
- the first network side node determines that the action duration is at least one time slot before or after at least one subframe corresponding to the subframe index.
- at least one subframe corresponding to the subframe index may be part of the subframes corresponding to the subframe index or all subframes.
- the at least one time slot before or after the at least one subframe corresponding to the subframe index may be part of the time slots or all the time slots before or after the at least one subframe corresponding to the subframe index. This disclosure does not limit this.
- the first network side node determines that the duration of action is at least one time slot before or after at least one time slot corresponding to the time slot index.
- at least one time slot corresponding to the time slot index may be part of the time slots or all time slots corresponding to the time slot index.
- the at least one time slot before or after the at least one time slot corresponding to the time slot index may be part of the time slots or all the time slots before or after the at least one time slot corresponding to the time slot index. This disclosure does not limit this.
- synchronization of MCCH change notification information includes at least one of the following: synchronization of PDCCH transmission corresponding to MCCH change notification information; synchronization of wireless network temporary identifier RNTI, where the RNTI is related to the PDCCH corresponding to the MCCH change communication information. Union.
- the MCCH transmission configuration information includes at least one of the following: MCCH transmission repetition period; MCCH transmission window length; MCCH change period.
- the MCCH transmission repetition period can be determined by the configured radio frame length and mcch-RepetitionPeriodAndOffset (offset).
- the MCCH transmission window can be determined by the configured mcch-WindowStartSlot (starting time slot) and mcch-WindowDuration (duration).
- the MCCH transmission content may be different only at the MCCH change period boundary.
- the MCCH modification period boundary can be determined by the configured mcch-ModificationPeriod (MCCH change period), that is, the MCCH change
- the first network side node may receive the synchronization control information sent by the second network side node through inter-node signaling, where the synchronization control information is used to control at least one of the first network side nodes.
- the MCCH transmission content synchronization and/or the PDCCH transmission synchronization is performed.
- the inter-node signaling may be inter-node signaling.
- MCCH transmission synchronization can be achieved through inter-node signaling, which is simple to implement and has high availability.
- the present disclosure also provides an application function implementation device embodiment.
- Figure 5 is a block diagram of a transmission synchronization device according to an exemplary embodiment.
- the device is used for a second network side node and includes:
- the sending module 501 is configured to send synchronization control information to at least one first network side node; wherein the synchronization control information is used to control at least one of the first network side nodes to perform multicast broadcast service MBS control channel MCCH transmission synchronization .
- Figure 6 is a block diagram of a transmission synchronization device according to an exemplary embodiment.
- the device is used for a first network side node and includes:
- the receiving module 601 is configured to receive synchronization control information sent by the second network side node; wherein the synchronization control information is used to control at least one of the first network side nodes to perform multicast broadcast service MBS control channel MCCH transmission synchronization;
- the synchronization module 602 is configured to perform the MCCH transmission synchronization based on the synchronization control information.
- the device embodiment since it basically corresponds to the method embodiment, please refer to the partial description of the method embodiment for relevant details.
- the device embodiments described above are only illustrative.
- the units described above as separate components may or may not be physically separated.
- the components shown as units may or may not be physical units, that is, they may be located in a place, or can be distributed across multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the disclosed solution. Persons of ordinary skill in the art can understand and implement the method without any creative effort.
- the present disclosure also provides a computer-readable storage medium that stores a computer program, and the computer program is used to execute any of the above-mentioned transmission synchronization methods for the second network side node side.
- the present disclosure also provides a computer-readable storage medium that stores a computer program, and the computer program is used to execute any of the above-mentioned transmission synchronization methods for the first network side node side.
- the present disclosure also provides a transmission synchronization device, including:
- Memory used to store instructions executable by the processor
- the processor is configured to execute the steps of any one of the transmission synchronization methods described above on the second network side node side.
- Figure 7 is a schematic structural diagram of a transmission synchronization device 700 according to an exemplary embodiment.
- the apparatus 700 may be provided as a second network side node.
- apparatus 700 includes a processing component 722, a wireless transmit/receive component 724, an antenna component 726, and a signal processing portion specific to the wireless interface.
- the processing component 722 may further include at least one processor.
- One of the processors in the processing component 722 may be configured to perform any of the transmission synchronization methods described above on the second network side node side.
- the present disclosure also provides a transmission synchronization device, including:
- Memory used to store instructions executable by the processor
- the processor is configured to execute any of the above-mentioned transmission synchronization methods on the first network side node side.
- FIG. 8 is a schematic structural diagram of a transmission synchronization device 800 according to an exemplary embodiment.
- the apparatus 800 may be provided as a first network side node.
- the apparatus 800 includes a processing component 822, a wireless transmit/receive component 824, an antenna component 826, and a signal processing portion specific to the wireless interface.
- the processing component 822 may further include at least one processor.
- One of the processors in the processing component 822 may be configured to perform any one of the above-mentioned transmission synchronization methods on the first network side node side.
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- Mobile Radio Communication Systems (AREA)
Abstract
本公开提供一种传输同步方法及装置、存储介质,其中,所述传输同步方法包括:向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。本公开可以由第二网络侧节点控制至少一个第一网络侧节点实现MCCH传输同步,实现NR系统下的MBS同步,支持广域业务部署,扩展了SFN传输场景,提高了小区边缘性能和频谱利用率,可用性高。
Description
本公开涉及通信领域,尤其涉及传输同步方法及装置、存储介质。
目前,R17(Release 17,版本17)中仅支持intra-DU(intra-Distributed Unit,分布单元内部)场景下的MBS(Multicast Broadcast Service,多播广播业务)同步,即针对SFN(Single-Frequency Network,单频网络)的MBS同步。
但是,仅支持intra-DU下的SFN会限制SFN小区部署数量,从而限制SFN的预期增益。
发明内容
为克服相关技术中存在的问题,本公开实施例提供一种传输同步方法及装置、存储介质。
根据本公开实施例的第一方面,提供一种传输同步方法,所述方法应用于第二网络侧设备,包括:
向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。
可选地,所述MCCH传输同步包括以下至少一项:
MCCH传输内容同步;
MCCH传输对应的物理下行控制信道PDCCH传输同步;
MCCH传输对应的物理下行共享信道PDSCH传输同步;
MCCH传输配置信息同步;
MCCH更改通知信息同步。
可选地,所述MCCH传输内容包括以下至少一项:
MBS广播会话;
所述MBS广播会话的调度信息。
可选地,所述PDCCH传输同步包括以下至少一项:
下行控制信息DCI传输内容同步;
DCI传输资源同步。
可选地,所述MCCH传输配置信息包括以下至少一项:
MCCH中信息的发送周期;
MCCH中信息的发送资源位置。
可选地,所述方法还包括以下至少一项:
响应于确定MCCH传输内容改变,发送MCCH更改通知信息给至少一个所述第一网络侧节点;
响应于确定MBS会话即将开始,发送MCCH更改通知信息给至少一个所述第一网络侧节点;
响应于确定MBS会话结束,发送MCCH更改通知信息给至少一个所述第一网络侧节点。
可选地,所述方法还包括:
向至少一个所述第一网络侧节点发送配置信息;其中,所述配置信息用于配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。
可选地,所述MCCH更改通知信息同步包括以下至少一项:
所述MCCH更改通知信息对应的PDCCH传输同步;
无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
可选地,所述MCCH传输配置信息包括以下至少一项:
MCCH传输重复周期;
MCCH传输窗口长度;
MCCH更改周期。
可选地,所述MCCH传输重复周期包括以下至少一项:无线帧长度、偏移量;
所述MCCH传输窗口长度包括以下至少一项:起始时隙、持续时长。
可选地,所述向至少一个第一网络侧节点发送同步控制信息,包括:
通过节点间信令向至少一个所述第一网络侧节点发送所述同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。
根据本公开实施例的第二方面,提供一种传输同步方法,所述方法应用于第一网络侧节点,包括:
接收第二网络侧节点发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步;
基于所述同步控制信息,执行所述MCCH传输同步。
可选地,所述MCCH传输同步包括以下至少一项:
MCCH传输内容同步;
MCCH传输对应的物理下行控制信道PDCCH传输同步;
MCCH传输对应的物理下行共享信道PDSCH传输同步;
MCCH传输配置信息同步;
MCCH更改通知信息同步。
可选地,所述MCCH传输内容包括以下至少一项:
MBS广播会话;
所述MBS广播会话的调度信息。
可选地,所述PDCCH传输同步包括以下至少一项:
下行控制信息DCI传输内容同步;
DCI传输资源同步。
可选地,所述MCCH传输配置信息包括以下至少一项:
MCCH中信息的发送周期;
MCCH中信息的发送资源位置。
可选地,所述方法还包括以下至少一项:
接收所述第二网络侧设备确定MCCH传输内容改变时发送的MCCH更改通知信息;
接收所述第二网络侧设备确定MBS会话即将开始时发送的MCCH更改通知信息;
接收所述第二网络侧设备确定MBS会话结束时发送的MCCH更改通知信息。
可选地,所述方法还包括:
接收所述第二网络侧节点发送的配置信息;其中,所述配置信息用于配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长;
基于所述配置信息,确定所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。
可选地,所述MCCH更改通知信息同步包括以下至少一项:
所述MCCH更改通知信息对应的PDCCH传输同步;
无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
可选地,所述MCCH传输配置信息包括以下至少一项:
MCCH传输重复周期;
MCCH传输窗口长度;
MCCH更改周期。
可选地,所述MCCH传输重复周期包括以下至少一项:无线帧长度、偏移量;
所述MCCH传输窗口长度包括以下至少一项:起始时隙、持续时长。
可选地,所述接收第二网络侧节点发送的同步控制信息,包括:
接收第二网络侧节点通过节点间信令发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。
根据本公开实施例的第三方面,提供一种传输同步装置,所述装置应用于第二网络侧节点,包括:
发送模块,被配置为向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。
根据本公开实施例的第四方面,提供一种传输同步装置,所述装置应用于第一网络侧节点,包括:
接收模块,被配置为接收第二网络侧节点发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步;
同步模块,被配置为基于所述同步控制信息,执行所述MCCH传输同步。
根据本公开实施例的第五方面,提供一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述第一方面任一项所述的传输同步方法。
根据本公开实施例的第六方面,提供一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述第二方面任一项所述的传输同步方法。
根据本公开实施例的第七方面,提供一种传输同步装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为执行所述可执行指令以实现上述第一方面任一项所述的传输同步方法的步骤。
根据本公开实施例的第八方面,提供一种传输同步装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为执行所述可执行指令以实现上述第二方面任一项所述的传输同步方法的步骤。
本公开的实施例提供的技术方案可以包括以下有益效果:
本公开可以由第二网络侧节点控制至少一个第一网络侧节点实现MCCH传输同步,实现NR系统下的MBS同步,支持广域业务部署,扩展了SFN传输场景,提高了小区边缘性能和频谱利用率,可用性高。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本发明的实施例,并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的一种传输同步方法流程示意图。
图2是根据一示例性实施例示出的另一种传输同步方法流程示意图。
图3是根据一示例性实施例示出的另一种传输同步方法流程示意图。
图4是根据一示例性实施例示出的另一种传输同步方法流程示意图。
图5是根据一示例性实施例示出的一种传输同步装置框图。
图6是根据一示例性实施例示出的另一种传输同步装置框图。
图7是本公开根据一示例性实施例示出的一种传输同步装置的一结构示意图。
图8是本公开根据一示例性实施例示出的另一种传输同步装置的一结构示意图。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面 的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反,它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本公开使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。还应当理解,本文中使用的术语“和/或”是指并包含至少一个相关联的列出项目的任何或所有可能组合。
应当理解,尽管在本公开可能采用术语第一、第二、第三等来描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如,在不脱离本公开范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。取决于语境,如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
在5G(5th Generation Mobile Communication Technology,第5代移动通信技术)NR(New Radio,新空口)系统中,MBS业务可以通过MBS业务标识进行标记,MBS业务标识包括以下至少一项:TMGI(Temporary Mobile Group Identity,临时移动组标识)、MBS Session ID(MBS会话标识)、MBS QoS flow ID(MBS业务流标识)。
其中,MBS业务的发送模式包括以下两种:
发送模式一(多播发送),终端进入RRC_CONNECTED(无线资源控制连接态)接收MBS业务的发送配置信息,从而才能接收MBS业务。网络侧节点通过终端专属信令将MBS业务的接收配置信息发送给终端。
发送模式二(广播发送),终端可以在IDLE(空闲)或INACTIVE(非激活态)或CONNECTED(连接态)接收MBS业务的发送配置信息,并接收MBS业务。网络侧节点通过系统信息和MCCH(MBS Control Channel, MBS控制信道)信息将MBS业务的接收配置信息发送给终端。其中,系统信息可以为SIB(System Information Block,系统信息块)。
考虑到MBS业务针对的是SFN,限制了SFN小区部署数量,以及SFN的预期增益。为了解决上述技术问题,本公开提供了以下传输同步方法、装置及存储介质。
下面先从第二网络侧节点侧介绍一下本公开提供的传输同步方法。
本公开实施例提供了一种传输同步方法,参照图1所示,图1是根据一实施例示出的一种传输同步方法流程图,可以用于第二网络侧节点,其中,第二网络侧节点可以为基站、CU(Centralized Unit,集中单元)、DU或独立于上述节点的一个网络侧节点,例如MBS主控节点,本公开对此不作限定,该方法可以包括以下步骤:
在步骤101中,向至少一个第一网络侧节点发送同步控制信息。
在本公开实施例中,同步控制信息用于控制至少一个所述第一网络侧节点执行MCCH(MBS Control Channel,MBS控制信道)传输同步。
在本公开实施例中,该方法可以应用于NR或NR之后的通信系统中。
上述实施例中,可以由第二网络侧节点控制至少一个第一网络侧节点实现MCCH传输同步,实现NR系统下的MBS同步,支持广域业务部署,扩展了SFN传输场景,提高了小区边缘性能和频谱利用率,可用性高。
在一些可选实施例中,所述MCCH传输同步包括以下至少一项:MCCH传输内容同步;MCCH传输对应的物理下行控制信道PDCCH传输同步;MCCH传输对应的物理下行共享信道PDSCH传输同步;MCCH传输配置信息同步;MCCH更改通知信息同步。
其中,MCCH传输内容同步是指MCCH信道中传输的控制信息同步。MCCH传输内容包括MBS广播业务配置信息,具体可以包括以下至少一项:MBS广播会话;所述MBS广播会话的调度信息。
其中,MCCH传输对应的PDCCH(Physical Downlink Control Channel,物理下行控制信道)传输同步可以通过节点间信令实现,其中,节点间信 令可以为inter-node信令。PDCCH传输同步包括以下至少一项:DCI(Downlink Control Information,下行控制信息)传输内容同步;DCI传输资源同步。
其中,MCCH传输对应的PDSCH(Physical Downlink Shared Channel,物理下行共享信道)传输同步可以通过DCI传输内容同步实现。
其中,MCCH传输配置信息可以携带在SIB(System Information Block,系统信息块)中用于配置接收MCCH。具体地,MCCH传输配置信息包括以下至少一项:MCCH中信息的发送周期;MCCH中信息的发送资源位置。其中,发送资源位置包括但不限于发送时频资源位置。
其中,第二网络侧设备在确定MCCH传输内容改变、MBS会话即将开始、MBS会话结束中的至少一项的情况下,发送MCCH更改通知信息给至少一个所述第一网络侧节点。
在一些可选实施例中,参照图2所示,图2是根据一实施例示出的一种传输同步方法流程图,可以用于第二网络侧节点,其中,第二网络侧节点可以为基站、CU、DU或独立于上述节点的一个网络侧节点,例如MBS主控节点,该方法可以包括以下步骤:
在步骤201中,向至少一个所述第一网络侧节点发送配置信息。
在本公开实施例中,配置信息用于指示配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。其中,作用时长是指当终端同步MCCH传输的控制信息之后,该控制信息有效的时长。终端可以在同步MCCH之后,间隔所述作用时长后再次进行MCCH同步。在一个可能的实现方式中,配置信息中包括周期时长,作用时长为该周期内的至少一个时隙。其中,该周期内的至少一个时隙可以为该周期中包括的部分或者全部时隙。本公开对此不作限定。
在另一个可能的实现方式中,配置信息中包括参考时段。作用时长可以为参考时段所包括的至少一个时隙。其中,该参考时段所包括的至少一个时隙可以为该参考时段中包括的部分或者全部时隙。本公开对此不作限 定。其中,参考时段包括但不限于绝对时间段、SFN索引、子帧索引、时隙索引。
可选地,参考时段为绝对时间段的情况下,第一网络侧节点确定作用时长为该绝对时间段中包括的至少一个时隙。其中,绝对时间段中包括的至少一个时隙可以为该绝对时间段中包括的部分时隙或者全部时隙,本公开对此不作限定。
可选地,参考时段为SFN索引的情况下,第一网络侧节点确定作用时长为该系统帧索引对应的至少一个系统帧中包括的至少一个时隙。其中,该系统帧索引对应的至少一个系统帧可以为该系统帧索引对应的部分系统帧或者全部系统帧。其中,该系统帧索引对应的至少一个系统帧中包括的至少一个时隙可以为该系统帧索引对应的至少一个系统帧中包括的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时段为子帧索引的情况下,第一网络侧节点确定作用时长为该子帧索引对应的至少一个子帧中包括的至少一个时隙。其中,该子帧索引对应的至少一个子帧可以为该子帧索引对应的部分子帧或者全部子帧。其中,该子帧索引对应的至少一个子帧中包括的至少一个时隙可以为该子帧索引对应的至少一个子帧中包括的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时段为时隙索引的情况下,第一网络侧节点确定作用时长为该时隙索引对应的至少一个时隙。其中,该时隙索引对应的至少一个时隙可以为该时隙索引对应的部分时隙或者全部时隙。本公开对此不作限定。
在另一个可能的实现方式中,配置信息中包括参考时间点。作用时长可以为参考时间点之前或之后的至少一个时隙。其中,该参考时间点之前或之后的至少一个时隙可以为该参考时间点之前或之后的部分或者全部时隙。本公开对此不作限定。
其中,参考时间点包括但不限于绝对时间点、SFN索引、子帧索引、 时隙索引。
可选地,参考时间点为绝对时间点的情况下,第一网络侧节点确定作用时长为该绝对时间点之前或之后的至少一个时隙。其中,该绝对时间点之前或之后的至少一个时隙可以为该绝对时间点之前或之后的部分或者全部时隙。本公开对此不作限定。
可选地,参考时间点为SFN索引的情况下,第一网络侧节点确定作用时长为该系统帧索引对应的至少一个系统帧之前或之后的至少一个时隙。其中,该系统帧索引对应的至少一个系统帧可以为该系统帧索引对应的部分系统帧或者全部系统帧。其中,该系统帧索引对应的至少一个系统帧之前或之后的至少一个时隙可以为该系统帧索引对应的至少一个系统帧之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时间点为子帧索引的情况下,第一网络侧节点确定作用时长为该子帧索引对应的至少一个子帧之前或之后的至少一个时隙。其中,该子帧索引对应的至少一个子帧可以为该子帧索引对应的部分子帧或者全部子帧。其中,该子帧索引对应的至少一个子帧之前或之后的至少一个时隙可以为该子帧索引对应的至少一个子帧之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时间点为时隙索引的情况下,第一网络侧节点确定作用时长为该时隙索引对应的至少一个时隙之前或之后的至少一个时隙。其中,该时隙索引对应的至少一个时隙可以为该时隙索引对应的部分时隙或者全部时隙。其中,该时隙索引对应的至少一个时隙之前或之后的至少一个时隙可以为该时隙索引对应的至少一个时隙之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
在一些可选实施例中,MCCH更改通知信息同步包括以下至少一项:MCCH更改通知信息对应的PDCCH传输同步;无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
在一些可选实施例中,MCCH传输配置信息包括以下至少一项:MCCH 传输重复周期;MCCH传输窗口长度;MCCH更改周期。
其中,MCCH传输重复周期可以通过配置的无线帧长度和mcch-RepetitionPeriodAndOffset(偏移量)确定。
其中,MCCH传输窗口可以通过配置的mcch—WindowStartSlot(起始时隙)和mcch—WindowDuration(持续时长)确定。
其中,针对MCCH更改周期,所述MCCH传输内容只有在所述MCCH更改周期边界才有可能不同,所述MCCH修改周期边界可以通过配置的mcch-ModificationPeriod(MCCH更改周期)确定,即所述MCCH更改周期边界可以是SFN索引mod mcch-ModificationPeriod=0的无线帧。
上述实施例中,可以由第二网络侧节点为第一网络侧节点配置进行所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的时段,以便实现控制至少一个第一网络侧节点执行MCCH传输同步,且可以节省信令资源降低时延。
在一些可选实施例中,第二网络侧节点可以通过节点间信令向至少一个所述第一网络侧节点发送所述同步控制信息,其中,同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。具体地,节点间信令可以为inter-node信令。
上述实施例中,可以通过节点间信令实现MCCH传输同步,实现简便,可用性高。
下面再从第一网络侧节点侧介绍一下本公开提供的传输同步方法。
本公开实施例提供了一种传输同步方法,参照图3所示,图3是根据一实施例示出的一种传输同步方法流程图,可以用于第一网络侧节点,其中,第一网络侧节点可以为CU或DU,该方法可以包括以下步骤:
在步骤301中,接收第二网络侧节点发送的同步控制信息。
在本公开实施例中,同步控制信息用于控制至少一个所述第一网络侧节点执行MCCH传输同步。
在步骤302中,基于所述同步控制信息,执行所述MCCH传输同步。
在本公开实施例中,该方法可以应用于NR或NR之后的通信系统中。
上述实施例中,第一网络侧节点可以基于第二网络侧节点发送的同步控制信息执行MCCH传输同步,实现NR系统下的MBS同步,支持广域业务部署,扩展了SFN传输场景,提高了小区边缘性能和频谱利用率,可用性高。
在一些可选实施例中,所述MCCH传输同步包括以下至少一项:MCCH传输内容同步;MCCH传输对应的物理下行控制信道PDCCH传输同步;MCCH传输对应的物理下行共享信道PDSCH传输同步;MCCH传输配置信息同步;MCCH更改通知信息同步。
其中,MCCH传输内容同步是指MCCH信道中传输的控制信息同步。MCCH传输内容包括MBS广播业务配置信息,具体可以包括以下至少一项:MBS广播会话;所述MBS广播会话的调度信息。
其中,MCCH传输对应的PDCCH传输同步可以通过节点间信令实现,其中,节点间信令可以为inter-node信令。PDCCH传输同步包括以下至少一项:DCI传输内容同步;DCI传输资源同步。
其中,MCCH传输对应的PDSCH传输同步可以通过DCI传输内容同步实现。
其中,MCCH传输配置信息可以携带在SIB中用于配置接收MCCH。具体地,MCCH传输配置信息包括以下至少一项:MCCH中信息的发送周期;MCCH中信息的发送资源位置。其中,资源位置包括但不限于时频资源位置。
其中,第二网络侧设备在确定MCCH传输内容改变、MBS会话即将开始、MBS会话结束中的至少一项的情况下,发送MCCH更改通知信息给所述第一网络侧节点。
在一些可选实施例中,参照图4所示,图4是根据一实施例示出的一种传输同步方法流程图,可以用于第一网络侧节点,其中,第一网络侧节点可以为CU或DU,该方法可以包括以下步骤:
在步骤401中,接收所述第二网络侧节点发送的配置信息。
在本公开实施例中,配置信息用于指示配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。其中,作用时长是指当终端同步MCCH传输的控制信息之后,该控制信息有效的时长。终端可以在同步MCCH之后,间隔所述作用时长后再次进行MCCH同步。在步骤402中,基于所述配置信息,确定所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。
在一个可能的实现方式中,配置信息中包括周期时长,作用时长为该周期内的至少一个时隙。其中,该周期内的至少一个时隙可以为该周期中包括的部分或者全部时隙。本公开对此不作限定。
在另一个可能的实现方式中,配置信息中包括参考时段。作用时长可以为参考时段所包括的至少一个时隙。其中,该参考时段所包括的至少一个时隙可以为该参考时段中包括的部分或者全部时隙。本公开对此不作限定。
其中,参考时段包括但不限于绝对时间段、SFN索引、子帧索引、时隙索引。
可选地,参考时段为绝对时间段的情况下,第一网络侧节点确定作用时长为该绝对时间段中包括的至少一个时隙。其中,绝对时间段中包括的至少一个时隙可以为该绝对时间段中包括的部分时隙或者全部时隙,本公开对此不作限定。
可选地,参考时段为SFN索引的情况下,第一网络侧节点确定作用时长为该系统帧索引对应的至少一个系统帧中包括的至少一个时隙。其中,该系统帧索引对应的至少一个系统帧可以为该系统帧索引对应的部分系统帧或者全部系统帧。其中,该系统帧索引对应的至少一个系统帧中包括的至少一个时隙可以为该系统帧索引对应的至少一个系统帧中包括的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时段为子帧索引的情况下,第一网络侧节点确定作用时 长为该子帧索引对应的至少一个子帧中包括的至少一个时隙。其中,该子帧索引对应的至少一个子帧可以为该子帧索引对应的部分子帧或者全部子帧。其中,该子帧索引对应的至少一个子帧中包括的至少一个时隙可以为该子帧索引对应的至少一个子帧中包括的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时段为时隙索引的情况下,第一网络侧节点确定作用时长为该时隙索引对应的至少一个时隙。其中,该时隙索引对应的至少一个时隙可以为该时隙索引对应的部分时隙或者全部时隙。本公开对此不作限定。在另一个可能的实现方式中,配置信息中包括参考时间点。作用时长可以为参考时间点之前或之后的至少一个时隙。其中,该参考时间点之前或之后的至少一个时隙可以为该参考时间点之前或之后的部分或者全部时隙。本公开对此不作限定。
其中,参考时间点包括但不限于绝对时间点、SFN索引、子帧索引、时隙索引。
可选地,参考时间点为绝对时间点的情况下,第一网络侧节点确定作用时长为该绝对时间点之前或之后的至少一个时隙。其中,该绝对时间点之前或之后的至少一个时隙可以为该绝对时间点之前或之后的部分或者全部时隙。本公开对此不作限定。
可选地,参考时间点为SFN索引的情况下,第一网络侧节点确定作用时长为该系统帧索引对应的至少一个系统帧之前或之后的至少一个时隙。其中,该系统帧索引对应的至少一个系统帧可以为该系统帧索引对应的部分系统帧或者全部系统帧。其中,该系统帧索引对应的至少一个系统帧之前或之后的至少一个时隙可以为该系统帧索引对应的至少一个系统帧之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时间点为子帧索引的情况下,第一网络侧节点确定作用时长为该子帧索引对应的至少一个子帧之前或之后的至少一个时隙。其中,该子帧索引对应的至少一个子帧可以为该子帧索引对应的部分子帧或者全 部子帧。其中,该子帧索引对应的至少一个子帧之前或之后的至少一个时隙可以为该子帧索引对应的至少一个子帧之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
可选地,参考时间点为时隙索引的情况下,第一网络侧节点确定作用时长为该时隙索引对应的至少一个时隙之前或之后的至少一个时隙。其中,该时隙索引对应的至少一个时隙可以为该时隙索引对应的部分时隙或者全部时隙。其中,该时隙索引对应的至少一个时隙之前或之后的至少一个时隙可以为该时隙索引对应的至少一个时隙之前或之后的部分时隙或者全部时隙。本公开对此不作限定。
在一些可选实施例中,MCCH更改通知信息同步包括以下至少一项:MCCH更改通知信息对应的PDCCH传输同步;无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
在一些可选实施例中,MCCH传输配置信息包括以下至少一项:MCCH传输重复周期;MCCH传输窗口长度;MCCH更改周期。
其中,MCCH传输重复周期可以通过配置的无线帧长度和mcch-RepetitionPeriodAndOffset(偏移量)确定。
其中,MCCH传输窗口可以通过配置的mcch—WindowStartSlot(起始时隙)和mcch—WindowDuration(持续时长)确定。
其中,针对MCCH更改周期,所述MCCH传输内容只有在所述MCCH更改周期边界才有可能不同,所述MCCH修改周期边界可以通过配置的mcch-ModificationPeriod(MCCH更改周期)确定,即所述MCCH更改周期边界可以是SFN索引mod mcch-ModificationPeriod=0的无线帧。
在一些可选实施例中,第一网络侧节点可以接收第二网络侧节点通过节点间信令发送的所述同步控制信息,其中,同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。具体地,节点间信令可以为inter-node信令。
上述实施例中,可以通过节点间信令实现MCCH传输同步,实现简便, 可用性高。
与前述应用功能实现方法实施例相对应,本公开还提供了应用功能实现装置的实施例。
参照图5,图5是根据一示例性实施例示出的一种传输同步装置框图,所述装置用于第二网络侧节点,包括:
发送模块501,被配置为向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。
参照图6,图6是根据一示例性实施例示出的一种传输同步装置框图,所述装置用于第一网络侧节点,包括:
接收模块601,被配置为接收第二网络侧节点发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步;
同步模块602,被配置为基于所述同步控制信息,执行所述MCCH传输同步。
对于装置实施例而言,由于其基本对应于方法实施例,所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的,其中上述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本公开方案的目的。本领域普通技术人员在不付出创造性劳动的情况下,即可以理解并实施。
相应地,本公开还提供了一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述用于第二网络侧节点侧任一所述的传输同步方法。
相应地,本公开还提供了一种计算机可读存储介质,所述存储介质存储有计算机程序,所述计算机程序用于执行上述用于第一网络侧节点侧任 一所述的传输同步方法。
相应地,本公开还提供了一种传输同步装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为用于执行上述第二网络侧节点侧任一所述的传输同步方法的步骤。
如图7所示,图7是根据一示例性实施例示出的一种传输同步装置700的一结构示意图。装置700可以被提供为第二网络侧节点。参照图7,装置700包括处理组件722、无线发射/接收组件724、天线组件726、以及无线接口特有的信号处理部分,处理组件722可进一步包括至少一个处理器。
处理组件722中的其中一个处理器可以被配置为用于执行上述第二网络侧节点侧任一所述的传输同步方法。
相应地,本公开还提供了一种传输同步装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为用于执行上述第一网络侧节点侧任一所述的传输同步方法。
如图8所示,图8是根据一示例性实施例示出的一种传输同步装置800的一结构示意图。装置800可以被提供为第一网络侧节点。参照图8,装置800包括处理组件822、无线发射/接收组件824、天线组件826、以及无线接口特有的信号处理部分,处理组件822可进一步包括至少一个处理器。
处理组件822中的其中一个处理器可以被配置为用于执行上述第一网络侧节点侧任一所述的传输同步方法。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适 应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或者惯用技术手段。说明书和实施例仅被视为示例性的,本公开的真正范围和精神由下面的权利要求指出。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。
Claims (28)
- 一种传输同步方法,其特征在于,所述方法应用于第二网络侧节点,包括:向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。
- 根据权利要求1所述的方法,其特征在于,所述MCCH传输同步包括以下至少一项:MCCH传输内容同步;MCCH传输对应的物理下行控制信道PDCCH传输同步;MCCH传输对应的物理下行共享信道PDSCH传输同步;MCCH传输配置信息同步;MCCH更改通知信息同步。
- 根据权利要求2所述的方法,其特征在于,所述MCCH传输内容包括以下至少一项:MBS广播会话;所述MBS广播会话的调度信息。
- 根据权利要求2所述的方法,其特征在于,所述PDCCH传输同步包括以下至少一项:下行控制信息DCI传输内容同步;DCI传输资源同步。
- 根据权利要求2所述的方法,其特征在于,所述MCCH传输配置信息包括以下至少一项:MCCH中信息的发送周期;MCCH中信息的发送资源位置。
- 根据权利要求2所述的方法,其特征在于,所述方法还包括以下至 少一项:响应于确定MCCH传输内容改变,发送MCCH更改通知信息给至少一个所述第一网络侧节点;响应于确定MBS会话即将开始,发送MCCH更改通知信息给至少一个所述第一网络侧节点;响应于确定MBS会话结束,发送MCCH更改通知信息给至少一个所述第一网络侧节点。
- 根据权利要求2所述的方法,其特征在于,所述方法还包括:向至少一个所述第一网络侧节点发送配置信息;其中,所述配置信息用于配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。
- 根据权利要求2所述的方法,其特征在于,所述MCCH更改通知信息同步包括以下至少一项:所述MCCH更改通知信息对应的PDCCH传输同步;无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
- 根据权利要求2所述的方法,其特征在于,所述MCCH传输配置信息包括以下至少一项:MCCH传输重复周期;MCCH传输窗口长度;MCCH更改周期。
- 根据权利要求9所述的方法,其特征在于,所述MCCH传输重复周期包括以下至少一项:无线帧长度、偏移量;所述MCCH传输窗口长度包括以下至少一项:起始时隙、持续时长。
- 根据权利要求2所述的方法,其特征在于,所述向至少一个第一网络侧节点发送同步控制信息,包括:通过节点间信令向至少一个所述第一网络侧节点发送所述同步控制信 息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。
- 一种传输同步方法,其特征在于,所述方法应用于第一网络侧节点,包括:接收第二网络侧节点发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步;基于所述同步控制信息,执行所述MCCH传输同步。
- 根据权利要求12所述的方法,其特征在于,所述MCCH传输同步包括以下至少一项:MCCH传输内容同步;MCCH传输对应的物理下行控制信道PDCCH传输同步;MCCH传输对应的物理下行共享信道PDSCH传输同步;MCCH传输配置信息同步;MCCH更改通知信息同步。
- 根据权利要求13所述的方法,其特征在于,所述MCCH传输内容包括以下至少一项:MBS广播会话;所述MBS广播会话的调度信息。
- 根据权利要求13所述的方法,其特征在于,所述PDCCH传输同步包括以下至少一项:下行控制信息DCI传输内容同步;DCI传输资源同步。
- 根据权利要求13所述的方法,其特征在于,所述MCCH传输配置信息包括以下至少一项:MCCH中信息的发送周期;MCCH中信息的发送资源位置。
- 根据权利要求13所述的方法,其特征在于,所述方法还包括以下至少一项:接收所述第二网络侧设备确定MCCH传输内容改变时发送的MCCH更改通知信息;接收所述第二网络侧设备确定MBS会话即将开始时发送的MCCH更改通知信息;接收所述第二网络侧设备确定MBS会话结束时发送的MCCH更改通知信息。
- 根据权利要求13所述的方法,其特征在于,所述方法还包括:接收所述第二网络侧节点发送的配置信息;其中,所述配置信息用于配置所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长;基于所述配置信息,确定所述MCCH传输内容同步和/或所述MCCH传输配置信息同步的作用时长。
- 根据权利要求13所述的方法,其特征在于,所述MCCH更改通知信息同步包括以下至少一项:所述MCCH更改通知信息对应的PDCCH传输同步;无线网络临时标识RNTI同步,所述RNTI与所述MCCH更改通信信息对应的PDCCH相关联。
- 根据权利要求13所述的方法,其特征在于,所述MCCH传输配置信息包括以下至少一项:MCCH传输重复周期;MCCH传输窗口长度;MCCH更改周期。
- 根据权利要求20所述的方法,其特征在于,所述MCCH传输重复周期包括以下至少一项:无线帧长度、偏移量;所述MCCH传输窗口长度包括以下至少一项:起始时隙、持续时长。
- 根据权利要求13所述的方法,其特征在于,所述接收第二网络侧节点发送的同步控制信息,包括:接收第二网络侧节点通过节点间信令发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行所述MCCH传输内容同步和/或所述PDCCH传输同步。
- 一种传输同步装置,其特征在于,所述装置应用于第二网络侧节点,包括:发送模块,被配置为向至少一个第一网络侧节点发送同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步。
- 一种传输同步装置,其特征在于,所述装置应用于第一网络侧节点,包括:接收模块,被配置为接收第二网络侧节点发送的同步控制信息;其中,所述同步控制信息用于控制至少一个所述第一网络侧节点执行多播广播业务MBS控制信道MCCH传输同步;同步模块,被配置为基于所述同步控制信息,执行所述MCCH传输同步。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求1-11任一项所述的传输同步方法。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求12-22任一项所述的传输同步方法。
- 一种传输同步装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行所述可执行指令以实现上述权利要求 1-11任一项所述的传输同步方法的步骤。
- 一种传输同步装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行所述可执行指令以实现上述权利要求12-22任一项所述的传输同步方法的步骤。
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