WO2019184779A1 - Procédé et appareil de transmission d'informations système, dispositif réseau et terminal - Google Patents

Procédé et appareil de transmission d'informations système, dispositif réseau et terminal Download PDF

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Publication number
WO2019184779A1
WO2019184779A1 PCT/CN2019/078837 CN2019078837W WO2019184779A1 WO 2019184779 A1 WO2019184779 A1 WO 2019184779A1 CN 2019078837 W CN2019078837 W CN 2019078837W WO 2019184779 A1 WO2019184779 A1 WO 2019184779A1
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WIPO (PCT)
Prior art keywords
system information
terminal
information
network device
sent
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PCT/CN2019/078837
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English (en)
Chinese (zh)
Inventor
许萌
梁靖
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电信科学技术研究院有限公司
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Publication of WO2019184779A1 publication Critical patent/WO2019184779A1/fr

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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
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a system information transmission method, apparatus, network device, and terminal.
  • the network bandwidth can be much larger than the terminal transmission bandwidth. Therefore, the concept of a partial bandwidth (BWP, Band Width Part) is introduced, and one cell carrier bandwidth can be divided into multiple BWPs.
  • the base station can configure multiple BWPs for the terminal UE through dedicated signaling, and the Rel-15 version UE can only have one active uplink BWP and one active downlink BWP.
  • the active BWP may be different from the initial BWP that can periodically broadcast system information.
  • the cell carrier bandwidth of the network side is less than or equal to the terminal receiving bandwidth of 20 MHz. Therefore, the network side always allocates the total uplink and downlink bandwidth of the cell to the terminal, and the terminal can work on the entire cell carrier bandwidth.
  • the network side carrier bandwidth can be as high as 400 MHz, which is much larger than the terminal's receiving capability.
  • the concept of the BWP is introduced, that is, the large bandwidth of the network side is divided into multiple partial bandwidth BWPs, one or more BWPs are configured to the terminal, and the partially configured BWP is activated for the terminal to perform uplink and downlink transmission, and the activated downlink BWP is called Active DL BWP, the active upstream BWP is called active UL BWP.
  • the active DL BWP and one UL BWP are allowed to be activated at a time, and the inactive BWP cannot perform uplink and downlink signaling and data transmission.
  • the active BWP can be changed explicitly by the base station using the Downlink Control Information (DCI), or can be automatically changed to the default (default) BWP by the BWP-Inactivity Timer configured on the network side.
  • DCI Downlink Control Information
  • the IDLE and inactive UEs obtain system information and paging messages by listening to the initial BWP, and the network side broadcasts system information on the initial BWP.
  • system information is divided into cell-level system information and regional-level system information.
  • regional-level system information the same system information configuration can be shared for multiple base stations gNB, and the area ID (area flag) of the system information can be broadcast in SIB1.
  • the version of each SIB that is, the value tag
  • the UE can store and manage system information according to the area ID and the value tag.
  • the UE may check the corresponding area ID and the value tag. If the UE has already stored the version of the SIB, the system information may be re-acquired.
  • the related art does not provide an explicit solution for transmitting system information through dedicated signaling, that is, the related art cannot accurately transmit system information through dedicated signaling.
  • An object of the present disclosure is to provide a system information transmission method, apparatus, network device, and terminal, which solve the problem that the system information cannot be accurately transmitted through dedicated signaling in the related art.
  • an embodiment of the present disclosure provides a system information transmission method, which is applied to a network device, and includes:
  • the system information is transmitted to the terminal in the connected state through dedicated signaling.
  • the step of sending the system information to the terminal in the connected state by using dedicated signaling includes:
  • the system information is transmitted to the terminal in the connected state through dedicated signaling.
  • the step of sending the system information to the terminal in the connected state by using dedicated signaling includes:
  • system information is sent to the terminal through dedicated signaling.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the step of receiving the system information request message sent by the terminal in the connected state includes:
  • the step of sending system information to the terminal in the connected state by using dedicated signaling includes:
  • a connected state terminal that cannot receive broadcast system information within a current working bandwidth or a current working active partial bandwidth wherein the connected state terminal that cannot receive the broadcast system information may be configured to have at least one of the following configured within the current working bandwidth or the currently active partial bandwidth Terminal: a control resource set for acquiring system information, a search space for acquiring system information, a control resource set for obtaining a page for notification of system information update, and a search space for paging for obtaining system information update notification.
  • the embodiment of the present disclosure further provides a system information transmission method, which is applied to a terminal in a connected state, including:
  • the system information is validated.
  • the step of validating the system information includes:
  • the system information is validated in the next system information modification period.
  • the system information transmission method before receiving the system information that is sent by the network device by using the dedicated information, the system information transmission method further includes:
  • a system information request message is sent to the network device.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the step of sending the system information request message to the network device includes:
  • a system information request message is sent to the network device.
  • the step of receiving the system information sent by the network device by using the dedicated information includes:
  • Embodiments of the present disclosure also provide a network device including a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor; the processor implements the following when executing the program step:
  • the system information is transmitted to the terminal in the connected state by dedicated signaling through the transceiver.
  • the processor is specifically configured to:
  • the transceiver When there is a system information update or a public early warning system PWS notification, the transceiver is used to transmit system information to the terminal in the connected state through dedicated signaling.
  • the processor is specifically configured to:
  • system information is sent to the terminal through dedicated signaling.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the processor is specifically configured to:
  • the processor is specifically configured to:
  • the terminal that configures at least one of the following: a control resource set that acquires system information, a search space that acquires system information, a control resource set that acquires paging of the system information update notification, and a search space that acquires paging of the system information update notification.
  • Embodiments of the present disclosure also provide a terminal, the terminal being in a connected state, including a memory, a processor, a transceiver, and a program stored on the memory and executable on the processor; the processor executing The program implements the following steps:
  • the system information is validated.
  • the processor is specifically configured to:
  • the system information is validated in the next system information modification period.
  • the processor is further configured to:
  • the system information request message is sent to the network device before receiving, by the transceiver, system information transmitted by the network device through the dedicated information.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the processor is specifically configured to:
  • the transceiver After receiving, by the transceiver, the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS, sending a system information request message to the network device; or
  • the system information request message is sent to the network device by the transceiver.
  • a system information request message is sent to the network device through the transceiver.
  • the processor is specifically configured to:
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a program, the program being executed by the processor to implement the step of the system information transmission method on the network device side.
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a program, the program being executed by the processor to implement the step of the system information transmission method on the terminal side.
  • the embodiment of the present disclosure further provides a system information transmission device, which is applied to a network device, and includes:
  • the first sending module is configured to send system information to the terminal in the connected state by using dedicated signaling.
  • the first sending module includes:
  • the first sending submodule is configured to send system information to the terminal in the connected state by using dedicated signaling when there is a system information update or a public early warning system PWS notification.
  • the first sending module includes:
  • a first receiving submodule configured to receive a system information request message sent by a terminal in a connected state
  • a second sending submodule configured to send system information to the terminal by using dedicated signaling according to the system information request message.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the first receiving submodule includes:
  • a first receiving unit configured to receive a system information request message sent by the terminal in the connected state after receiving the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS;
  • the first sending submodule includes:
  • a first sending unit configured to send system information to a connected terminal having a preset service
  • a connected state terminal that cannot receive broadcast system information within a current working bandwidth or a current working active partial bandwidth wherein the connected state terminal that cannot receive the broadcast system information may be configured to have at least one of the following configured within the current working bandwidth or the currently active partial bandwidth Terminal: a control resource set for acquiring system information, a search space for acquiring system information, a control resource set for obtaining a page for notification of system information update, and a search space for paging for obtaining system information update notification.
  • the embodiment of the present disclosure further provides a system information transmission apparatus, which is applied to a terminal in a connected state, including:
  • a first receiving module configured to receive system information that is sent by the network device by using dedicated information
  • the first processing module is configured to validate the system information.
  • the first processing module includes:
  • a first processing submodule configured to immediately validate the system information
  • the system information is validated in the next system information modification period.
  • system information transmission device further includes:
  • the second sending module is configured to send a system information request message to the network device before receiving the system information sent by the network device by using the dedicated information.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set
  • the preset system information set includes all system information or part of system information.
  • the preset system information set includes at least one of the following information:
  • the system information unit required for the terminal to access the network is the system information unit required for the terminal to access the network
  • the network provides the system information unit required for the preset service within the bandwidth or part of the bandwidth of the terminal operation, and
  • the system information unit includes a system information block SIB, a system information block group SI, or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or
  • the system information configuration in the preset system information set includes: all information elements configured.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly includes version information of system information currently being used, and the identity identifier of the requested system information block explicitly or implicitly contains the main information block and/or remaining The identity of the minimum system information RMSI.
  • the sending to the second sending module includes:
  • a third sending submodule configured to send a system information request message to the network device after receiving the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS;
  • a system information request message is sent to the network device.
  • the first receiving module includes:
  • a second receiving submodule configured to receive system information sent by the network device when the terminal is a connected terminal with preset service
  • the system information transmission method sends system information to the terminal in the connected state through dedicated signaling, and provides a scheme for the network side to send system information to the connected UE through dedicated signaling, and implements accurate dedicated signaling. The purpose of transmitting system information.
  • FIG. 1 is a schematic flowchart 1 of a system information transmission method according to an embodiment of the present disclosure
  • FIG. 2 is a second schematic flowchart of a system information transmission method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram 1 of a specific application flow of a system information transmission method according to an embodiment of the present disclosure
  • FIG. 4 is a second schematic diagram of a specific application flow of a system information transmission method according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram 1 of a system information transmission apparatus according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram 2 of a system information transmission apparatus according to an embodiment of the present disclosure.
  • the present disclosure is directed to the problem that the system information transmission method cannot be accurately transmitted through the dedicated signaling in the prior art, and the system information transmission method is applied to the network device, as shown in FIG. 1 , including:
  • Step 11 Send system information to the terminal in the connected state through dedicated signaling.
  • the system information transmission method provided by the embodiment of the present disclosure sends system information to a terminal in a connected state by using dedicated signaling, and provides a scheme for the network side to send system information to the connected UE through dedicated signaling, and implements an accurate special use.
  • step 11 The embodiments of the present disclosure provide the following two examples for the specific implementation of step 11:
  • the step of transmitting the system information to the terminal in the connected state by using dedicated signaling includes: when there is a system information update or a public warning system PWS (Public Warning System) notification, the dedicated signaling is used to connect to the connected state.
  • the terminal sends system information.
  • PWS Public Warning System
  • This example is a scenario in which the network device side actively sends system information to the terminal through dedicated signaling.
  • the step of transmitting the system information to the terminal in the connected state by using dedicated signaling includes: receiving a system information request message sent by the terminal in the connected state; and using the dedicated signaling to the system information request message according to the system information request message The terminal sends system information.
  • This example is a scenario in which the network device side receives a request from the terminal to send system information to the terminal through dedicated signaling.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains the version information of the system information currently being used (ie, the current version information may be implicitly included, because the UE stores the currently used version, so the request message may not be carried.
  • the identity of the requested system information block explicitly or implicitly contains the main information block and/or the remaining minimum system information RMSI (minimum SI is defined in NR, where minimum SI includes MIB and remaining minimum SI, RMSI is SIB1) Identity (no explicit request for MIB and RMSI, as always possible for both SIs).
  • the step of receiving the system information request message sent by the terminal in the connected state includes: receiving the paging downlink control of the notification system information update or the PWS notification sent by the terminal in the connected state The system information request message sent after the DCI is sent; or the system information request message sent by the terminal in the connected state when the system information broadcasted by the network device is not received; or the terminal in the connected state receives the unstored system information System information request message sent at the time.
  • the step of transmitting system information to a terminal in a connected state by using dedicated signaling includes: transmitting system information to a connected terminal having a preset service, where the preset service may be a high reliability low delay Communication service, but not limited to the service; or sending preset system information to the connected terminal, wherein the preset system information may be a PWS notification, a main information block MIB, or a demand-based system information on-demand SI, but Not limited to the above system information; or a connected state terminal that cannot receive broadcast system information within the current working bandwidth or the current working active part of the bandwidth, wherein the connected state terminal that cannot receive the broadcast system information may be in the current working bandwidth or the currently active part
  • the above configuration may be configured by dedicated signal
  • the embodiment of the present disclosure further provides a system information transmission method, which is applied to a terminal in a connected state, as shown in FIG. 2, and includes:
  • Step 21 Receive system information sent by the network device through the dedicated information
  • Step 22 The system information is validated.
  • the system information transmission method provided by the embodiment of the present disclosure implements the system information by receiving the system information sent by the network device through the dedicated information, and provides a solution for the terminal side to receive the system information sent by the network side through dedicated signaling. The purpose of accurately transmitting system information through dedicated signaling.
  • the step of validating the system information includes: immediately validating the system information; or validating the system information in a next system information modification period.
  • the system information transmission method further includes: sending a system information request message to the network device.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains the version information of the system information currently being used (ie, the current version information may be implicitly included, because the UE stores the currently used version, so the request message may not be carried.
  • the identity of the requested system information block is explicitly or implicitly containing the identity information of the primary information block and/or the remaining minimum system information RMSI (the MIB and the RMSI may not be requested in plaintext, as the total may be required for both SIs) Is a request).
  • the step of transmitting the system information request message to the network device includes: after receiving the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS, sending a system information request message to the network device; Or sending the system information request message to the network device when the system information broadcasted by the network device is not received; or sending the system information request message to the network device when acquiring the unstored system information.
  • the step of receiving the system information sent by the network device by using the dedicated information includes: receiving the system that the network device sends when the terminal is the connected state terminal with the preset service Information, wherein the preset service may be a high-reliability low-latency communication service, but is not limited to the service; or receiving preset system information sent by the network device, where the preset system information may be a PWS notification, the main information block MIB Or demand-based system information on-demand SI, but not limited to the above system information; or the receiving network device is sent when the terminal is a connected-mode terminal that cannot receive broadcast system information within the current working bandwidth or the current working active part of the bandwidth System information, wherein the connected state terminal that cannot receive the broadcast system information is a terminal that does not configure at least one of the following in the current working bandwidth or the currently activated part of the bandwidth: acquiring a control resource set of the system information, acquiring a search space of the system information, and acquiring Control resource
  • the system information transmission method provided by the embodiment of the present disclosure is further described below in conjunction with the network device and the terminal.
  • an embodiment of the present disclosure provides a system information transmission method, including:
  • the network side sends the system information to the UE through dedicated signaling.
  • the network side may send the corresponding system information to the UE according to the request information of the UE, or may be actively used by the network side at a special time or for a special UE.
  • the signaling system information is sent to the UE. For example, the network side decides to update the system information in the next system information modification period, and then sends the updated system information to the UE through dedicated signaling in the system information modification period, and the UE stores the corresponding system information.
  • the updated system information is valid in the next modification period, or the updated system information is sent to the UE at the next system information modification period boundary, and the UE stores the information when the corresponding system information is received, and immediately responds to the corresponding system information or successfully sends the information.
  • the network side After the network side responds to the message, it can take effect; or the network can send the updated system information to the UE at any time.
  • the UE takes effect after receiving it, or takes effect after successfully sending the network side response message. For the PWS related notification information sent by the network side, if the UE receives the system information containing the PWS, it will take effect immediately.
  • the following describes the case where the network side actively sends system information to the terminal through dedicated signaling, and the network side receives the terminal request and then sends the system information to the terminal through dedicated signaling.
  • Case 1 The network side decides not to send a system information specific signaling message to the UE based on the UE request. As shown in Figure 3.
  • the network side notifies the connected state UE system information update, the ETWS (Earthquake and Tsunami Warning System) or the CMAS (Commercial Mobile Alert Service) notification by sending a paging DCI, and then sends the updated by dedicated signaling.
  • the UE For the system information update, the UE stores the currently used system information, and the UE only needs to obtain the updated specific system information, such as MIB (Master Information Block), SIB1 (System Information Block 1, system message block). 1), SIB2 (System Information Block 2) or the SI including the change SIB, without acquiring all system information, and the network side can determine the specific system message SI or system message block SIB (SI, which is updated by itself).
  • the SIB can be considered as the granularity of the network scheduling system information, and the SI can be multiple SIBs, for example, the primary information block MIB, SIB1, SIB2, or the SI including the changed SIB, or even the updated specific IE (Information Element). Therefore, the UE can obtain updated system information through dedicated signaling as follows:
  • the network sends the updated system information to the UE through the system information dedicated signaling, where the dedicated signaling includes one or more of the following:
  • the configuration of the system information may be configured in a delta configuration manner based on the system information of the current application, that is, only the updated MIB (Master Information Block) or the updated IE in the SIB or SI, for no update.
  • the IE may not be carried in the dedicated signaling message, and the default configuration of the IE on the network side and the UE uses the previous configuration.
  • SIB system information unit
  • MIB mobile subscriber Identity
  • SI system information unit
  • the network side and the UE consider that the IE is not configured.
  • the IE is processed according to the default processing method of the IE, for example, deleting the configuration or using a default configuration.
  • the SIB or SI included therein may be a partial SIB or SI, such as an updated SIB or SI; or a mandatory SIB (some SIBs that the access network must use, such as a UE access network in LTE must obtain MIB, SIB1, and SIB2) or SI, such as SIB1; or all SIB or SI.
  • the system information version information may be version information corresponding to all SIBs or version information corresponding to some SIBs.
  • the version information can contain only the value tag, or the value tag and the area ID.
  • the system information takes effect immediately or takes effect in the next modification period.
  • the dedicated signaling may be a newly defined dedicated message, or an already defined message, such as an RRC Connection Reconfiguration message.
  • the network side transmits the updated system information, ETWS or CMAS notification message to the UE by dedicated signaling within a system information modification period in which the notification system information update notification and the paging DCI of the ETWS and/or CMAS notification are sent.
  • the dedicated signaling carries a PWS message, the PWS message takes effect immediately;
  • the next system information modification period sends the updated system information to the UE through dedicated signaling. Then the UE takes effect immediately after receiving the message.
  • the system information is sent to the UE based on the network requirement, and the UE takes effect immediately after receiving the system information.
  • the network side does not send the paging DCI that notifies the system information update to the UE, and the network side decides to send the dedicated signaling to carry the updated system information to the UE after the system information is updated, or after the network sends the paging DCI notification, the next system information is modified.
  • the network sends dedicated signaling carrying the updated system information to the UE at any time due to scheduling, etc., or for UEs with special services, such as URLLC (Ultra-Reliable and Low Latency Communications), high reliability and low latency.
  • the network determines that the updated system information is sent to the UE through dedicated signaling.
  • the UE takes effect immediately after receiving the system information or takes effect after successfully transmitting the network side response message.
  • the network sends a system information-specific signaling message, and the message implicitly or explicitly carries the system update indication, if the message includes the PWS message, the message takes effect immediately; otherwise, the UE stores the message in the next system information modification period to take effect. .
  • the network side does not send the paging DCI that notifies the system information update to the UE.
  • the network side After the network side decides to update the system information, the network side sends the dedicated signaling to carry the updated system information to the UE, or for the UE with special service, such as URLLC (Ultra- Reliable and Low Latency Communications, the network decides to send updated system information to the UE through dedicated signaling, and the UE stores the updated system information after receiving the system information, and takes effect in the next system information modification period. .
  • URLLC Ultra- Reliable and Low Latency Communications
  • the method may be applied to a UE that cannot receive broadcast system information, for example, a connected UE in a BWP that cannot broadcast system information, or a control resource that does not have a paging associated with obtaining system information or system information notification in a BWP that can broadcast system information or a connected state UE of a search space, or a connected state UE of a paging DCI that does not transmit a notification system information modification notification in a BWP that can broadcast system information, or a UE having a special service, such as a URLLC service, or a special system information message, such as a PWS notification Or MIB message, the network sends the message to the connected UE on the BWP through dedicated signaling. But not limited to the above scenes.
  • Case 2 Based on the method requested by the UE, the network side sends a system information specific signaling message, as shown in FIG. 4 .
  • the UE can store different versions of system information
  • the UE may not need to re-read the updated SI or SIB (updated SIB), but may correspond to The moment to use the stored system information for that version.
  • Air interface overhead can be saved based on UE requests.
  • the system information request message sent by the UE to the network side may carry the stored version number of the SI or the SIB.
  • the network side may selectively send the system information to the UE according to the version of the system information stored by the UE.
  • the stored system information of the version to be updated is used to send the system information to the UE.
  • the network side notifies the UE that the used version is about to be updated.
  • the UE side sends a system information request message to the network side, and the request message may carry one or more of the following:
  • the version information may include version information of all SIBs or version information of a part of SIBs, such as version information of SIBs requested by the UE.
  • the version information included therein may be all stored version information of the UE requesting the SIB, or may be storage information of other versions except the currently used version.
  • the requested SIB ID may explicitly request the network side to send the corresponding system message by using the corresponding ID, or may implicitly request, that is, the MIB and/or the SIB1 are always requested.
  • the network side sends system information to the UE by using dedicated signaling, where the dedicated signaling may include one or more of the following:
  • the system information configuration may be configured according to the delta configuration mode of the system information of the current application, that is, only the updated MIB or the updated IE in the SIB or SI. For the default IE network side and the UE considers the IE to remain in the original configuration.
  • the SIB or SI included therein may be a partial SIB or SI, such as an updated SIB or SI; or a necessary SIB or SI, such as SIB1; or all SIBs or SIs.
  • the network side may send the MIB and/or SIB1 according to the request message, or decide whether to send the MIB or SIB1 based on whether the MIB or the SIB1 changes, or always send the MIB and/or SIB1.
  • the system information version information may be version information corresponding to all SIBs stored by the UE, or version information corresponding to a part of the SIB.
  • the version information can contain only the value tag, or the value tag and the area ID.
  • the UE may initiate a request after receiving the system information update paging DCI, or initiate a request when the broadcast system information is not successfully received, or request system information that is not stored (eg, the initial access of the UE only acquires the access network) System information, but other configuration information such as neighboring areas are not obtained, if the subsequent UE wishes to obtain the system information, it may request to the network, or a UE containing a special service, such as URLLC, requests to the network side, or Other scenarios in which system information needs to be obtained are not limited to the above scenarios.
  • the system information is valid immediately after the UE receives the system information sent by the network side through dedicated signaling or takes effect in the next modification period.
  • the UE should take effect immediately after receiving it.
  • it can be combined with the time when the paging DCI is sent to determine the effective time (for example, the system information sent by the network and the paging DCI are updated in the next cycle, if they are not in the same cycle, or immediately), or according to
  • the UE requests the scenario to take effect immediately, for example, the UE requests a lack of SIB messages, or the network does not send a paging DCI, and the UE takes effect immediately after receiving.
  • Example 1 Used for system information update scenario, the next modification period takes effect
  • the connected state UE is a UE having a special service, such as a URLLC, or a connected state UE that cannot receive broadcast system information, for example, a UE that does not configure a control resource or a search space for acquiring broadcast system information, or although an acquisition broadcast system is configured.
  • the UE of the information control resource but the network does not send a connected state UE of the paging DCI that notifies the system information update, or a normal connected state UE.
  • the network side decides to update the system information, and sends a paging DCI to notify the UE.
  • the UE receives the paging DCI sent by the network side to know that the network side is about to update the system information in the next modification period. Or the UE cannot receive the paging DCI.
  • the network side sends system information to the UE through dedicated information during the system modification period in which the paging DCI is sent.
  • the UE receives the updated system information sent by the network side through dedicated signaling, and stores the system information and validates it at the next system information modification period boundary.
  • the network side may not send the paging DCI, and directly send the dedicated signaling carrying the updated system information to notify the UE of the next system information modification period to update the system information.
  • the connected state UE is a UE having a special service, such as a URLLC, or a connected state UE that cannot receive broadcast system information, for example, a UE that does not configure a control resource or a search space for acquiring broadcast system information, or although an acquisition broadcast system is configured.
  • the UE of the information control resource but the network does not send a connected state UE of the paging DCI that notifies the system information update, or a normal connected state UE.
  • the network side sends system information to the UE through dedicated information.
  • the dedicated signaling explicitly carries the system information modification indication or the implicitly carried system information modification indication, for example, the signaling can only be used for the system information update scenario.
  • the UE receives the updated system information sent by the network side by carrying the dedicated signaling of the system information update indication, and stores the system information and validates it at the next system information modification period boundary.
  • Example 2 The UE takes effect immediately after receiving the system information through dedicated signaling
  • the connected state UE works by activating the BWP, receiving the paging DCI notified by the PWS, or not sending the paging DCI.
  • the network side sends the system information dedicated signaling carrying the corresponding PWS message to the UE.
  • the UE takes effect immediately after receiving the system information of the PWS message sent by the network side.
  • the connected state UE is a UE having a special service, such as a URLLC, or a connected state UE that cannot receive broadcast system information, for example, a UE that does not configure a control resource or a search space for acquiring broadcast system information, or although an acquisition broadcast system is configured.
  • the UE of the information control resource but the network does not send a connected state UE of the paging DCI that notifies the system information update, or a normal connected state UE.
  • the network side decides to update the system information, sends a paging DCI to notify the UE or does not send the paging DCI to the UE.
  • the network side sends the system information to the UE through the dedicated information in the corresponding system information modification period.
  • the UE receives the updated system information sent by the network side through dedicated signaling, and then stores the system information to take effect immediately.
  • the connected state UE works on the active BWP, and stores system information and version information used in the current system information modification period.
  • the network side decides to update an SIB, for example, IE1 update in SIB1, and SIB3 is changed from version 2 to version 1, wherein IE3 is updated compared to the current version.
  • SIB for example, IE1 update in SIB1
  • SIB3 is changed from version 2 to version 1, wherein IE3 is updated compared to the current version.
  • the network side assembles the system information-specific signaling message according to the updated IE, where the message carries the corresponding IE in the updated SIB, for example, IE1 in SIB1 and IE3 in SIB3. And/or the version number of the corresponding SIB, for example, SIB3 uses version 1.
  • the network side sends the message to the UE at the corresponding sending moment.
  • the UE receives the system information message sent by the network side:
  • the system information is stored in a delta configuration manner, for example, the SIB3 is updated from version 2 to version 1, and the system in the version 2 is stored. Based on the information, update IE3 and store it as version 1. If the version number carried in the message, the UE has stored the SIB of the corresponding version, the UE may not have to read its corresponding update IE. The UE validates the system information of the updated version at the corresponding moments in the first example and the second example above.
  • the UE will update the corresponding IE based on the SIB of the currently used version, for example, updating the IE1 of the current version of SIB1 to the value carried in the message, and updating the IE3 in the SIB3 to the message.
  • the carried value, and the updated system information is valid at the corresponding moments in the first example and the second example above.
  • Example 4 Send system information based on the full configuration mode
  • the connected state UE works on the active BWP, and stores system information and version information used in the current system modification period.
  • the network side decides to update an SIB, for example, IE1 update in SIB1, and SIB3 is changed from version 2 to version 1, where IE3 is updated.
  • SIB for example, IE1 update in SIB1
  • SIB3 is changed from version 2 to version 1, where IE3 is updated.
  • the network side assembles a system information-specific signaling message according to the updated SIB or SI, where the message carries the updated SIB or SI, such as SIB1 and SIB3, or SIB1 and SI existing in SIB3.
  • the message may also carry the version number of the corresponding SIB, for example, SIB3 uses version 1.
  • the network side sends the message to the UE at the corresponding transmission moments in the above example one and the second example.
  • the network side assembles system information-specific signaling messages according to the updated SIB or SI, where the message carries all system information (ie MIB, SIB1 and other SI), and/or the version number of the corresponding SIB, for example, all SIBs version number.
  • the network side sends the message to the UE at the corresponding transmission moments in the above example one and the second example.
  • the network side assembles a system information dedicated signaling message according to the updated SIB or SI, wherein the message carries a part of the SIB or set (for example, MIB, SIB1, and part other SI).
  • the part of the SIB or the set may also be an updated SIB or SI in a preset system information set, where the preset set may be a set of system information delineated according to the service or according to whether system information necessary for accessing the network is delimited. Or the preset system information set contains all system information.
  • the message may also carry the version number of the corresponding SIB, for example, SIB3 uses version 1 and other SIB version numbers.
  • the network side sends the message to the UE at the corresponding transmission moments in the above example one and the second example.
  • the UE receives the system information message sent by the network side:
  • the system information is stored. If the version number carried in the message, the UE has stored the SIB of the corresponding version, the UE may not have to read its corresponding SIB.
  • the UE validates the system information of the updated version at the corresponding moments in the first example and the second example above.
  • the UE will store the system information carried in the message and validate the updated system information at the corresponding moments in the first example and the second example.
  • Example 1 The UE sends a system information request notification requesting the network side to send system information
  • the UE decides to request updated system information from the network side.
  • the UE assembles the system information request notification message, wherein the message may explicitly carry the system information request indication or implicitly carry the indication, for example, the message is only used to request the network side to send the updated system information.
  • the UE sends the message to the network side at the corresponding moment.
  • the message may be an RRC layer signaling message or an underlying message.
  • the network side receives the system information request message sent by the UE, and the corresponding system information is sent to the UE through dedicated signaling.
  • the message may carry the corresponding message and/or the corresponding version information in a full configuration manner or a delta configuration manner. As described in Example 3 and Example 4 of the above case 1.
  • the UE After receiving the dedicated signaling carrying the system information sent by the network side, the UE stores the system information according to the method of delta configuration or full configuration, and validates the system information at the corresponding moment. As described in Example 1 and Example 2 of the above case 1.
  • Example 2 The UE sends the stored system information version information to request the network side to send system information.
  • the UE decides to request updated system information from the network side.
  • the UE assembles a system information request notification message, where the message may carry all version information of all SIBs stored by the current UE or all version information except the currently used version; or carry corresponding version information of the SIB storage requested by the UE. Or all version information except the version currently in use.
  • the current SIB2 stores the version 1 and the version 2
  • the current SIB3 stores the version 4
  • the UE can carry the SIB2 version 2, and the SIB3 does not need to carry the corresponding version, or provides the SIB2 storage. Version 1 and Version 2, SIB3 stores version 4.
  • the network side receives the system information request message sent by the UE, and the corresponding system information is sent to the UE through dedicated signaling.
  • the message carries a version information notification used by the update SIB to notify the UE to use the corresponding version of the system information, and/or some system information configuration.
  • the network side provides the configuration information of the corresponding SIB or SI according to the delta configuration mode or the full configuration mode, as described in Example 3 and Example 4 in the above case 1. .
  • the dedicated signaling message needs to carry the system message of version 1 of SIB3 without carrying the system information of SIB2.
  • the network side can use the full configuration or the delta configuration to assemble the corresponding system information configuration into the message to the UE.
  • the new version information of the SIB that is used to notify the UE is used to carry the notification SIB2 to use version 2 and the SIB3 to use the version 1 notification information.
  • the network side may carry the version information of the SIB or may not carry it and continue to use the previous version information by default.
  • the UE After receiving the dedicated signaling carrying the system information sent by the network side, the UE stores the system information according to the method of delta configuration or full configuration, and stores the corresponding version information, and notifies the message at the corresponding time.
  • the version of the system information is in effect. As described in Example 3 and Example 4 of the above case 1.
  • Example 3 The UE sends the requested SIB ID requesting the network side to send system information
  • the UE decides to request updated system information from the network side.
  • the UE assembles a system information request notification message, where the message may carry the SIB ID requested by the UE, where the MIB and the SIB1 may carry the corresponding ID or do not carry the corresponding ID, and default to always request the MIB or the SIB; or carry the request at the same time. All version information stored by the UE corresponding to the SIB or all version information except the currently used version. For example, SIB2 and SIB3 are requested, the current SIB2 stores version 1 and version 2, the current SIB3 stores version 4, and the current version: SIB2 uses version 1, and SIB3 uses version 4, the UE can carry SIB2 version 2, and SIB3 does not need to carry the corresponding version. , or provide SIB2 storage version 1 and version 2, SIB3 storage version 4.
  • the network side receives the system information request message sent by the UE, and the corresponding system information is sent to the UE through dedicated signaling.
  • the message carries the configuration message of the requested SIB or the SI, and the message may also carry the version information of the corresponding SIB, or the version message used by the message in the message, and the configuration message of the SIB or SI of the SIB version not stored by the UE.
  • the configuration message of the foregoing SIB or SI or MIB may be provided to the UE according to a delta configuration or a full configuration manner, as described in Example 3 and Example 4 in the foregoing case 1.
  • the request message carries the version information that the UE requests the SIB to store
  • the version of the SIB that has been stored by the UE for the updated SIB has not yet stored the configuration information of the SIB
  • the network provides the configuration information of the SIB, and for the updated SIB.
  • the UE has stored the configuration information of the SIB of the version, and the network side does not need to provide detailed configuration information of the SIB, and only needs to notify the UE to use the corresponding version.
  • the update SIB2 uses version 2 and the SIB3 uses version 1
  • the dedicated signaling message needs to carry the system message of version 1 of SIB3 without carrying the system information of SIB2. It is required to carry the notification SIB2 using version 2, and SIB3 uses the version 1 notification information.
  • the network side may carry the version information of the SIB or may not carry it and continue to use the previous version information by default.
  • the UE After receiving the dedicated signaling carrying the system information sent by the network side, the UE stores the system information according to the method of delta configuration or full configuration, and stores the corresponding version information, and notifies the message at the corresponding time.
  • the version of the system information is valid, as described in Example 3 and Example 4 above.
  • Example 4 The moment when the UE sends a system information request
  • the network side sends a system information update notification.
  • the UE receives the system information update notification sent by the network side, and learns that the network side is about to update the system information.
  • the BWP (BWP that the UE works, that is, the active BWP) does not broadcast system information, and the UE sends a system information request message to the network side.
  • the BWP of the network side working in the UE broadcasts system information other than the MIB, and the UE sends a system information request message to the network side to request MIB acquisition.
  • the UE is a UE with a special service, such as a URLLC service, and the UE sends a system information request message to the network side to request system information.
  • a special service such as a URLLC service
  • the network side does not configure the paging control resource or search space for the UE to obtain the system information or the system information notification.
  • the UE cannot obtain the broadcast system information, and the UE sends the system information request message to the network side.
  • the network side receives the system information request message sent by the UE, and the corresponding system information is assembled and sent to the UE according to the message.
  • the UE receives the message containing the system information sent by the network side, stores the corresponding system information, and takes effect at the corresponding moment.
  • ⁇ UE obtains unsaved system information
  • the UE determines that it is necessary to acquire a special SIB, and finds that the corresponding SIB is not stored, and the working BWP does not periodically broadcast system information.
  • the system information request message corresponding to the UE assembly requests the SIB or SI.
  • the network side receives the system information request message sent by the UE, and assembles corresponding system information according to the message to be sent to the UE through dedicated signaling.
  • the UE receives the message containing the system information sent by the network side, stores the corresponding system information, and takes effect at the corresponding moment.
  • the network side may send a message carrying the corresponding system information or the PWS notification to the UE by using the dedicated signaling according to the system information update or the PWS, or the network information request message sent by the network based on the UE, Send a corresponding dedicated signaling message to the UE.
  • the message carrying the system information sent by the network side may carry configuration information of the system information, and/or version information of the corresponding SIB, and/or indication information of the system information update.
  • the system information request message sent by the UE may carry version information of the stored system information, and/or the requested SIB ID, and/or an indication message requesting system information.
  • the network side sends system information specific signaling to the UE based on the UE request or according to system information update or PWS notification.
  • the request message sent by the UE carries one or more of the following contents:
  • System information version information such as value tag and / or area ID.
  • the system information version information may be version information of all SIBs or partial SIBs, that is, SIBs requested by the UE, and the version information may be version information of all versions of the SIBs stored by the UE, or all of the SIBs stored by the UE except the currently used version. Version Information.
  • SIB1 and MIB the explicit corresponding ID request, or implicit request, can always be requested, ie MIB and/or SIB1 are always requested.
  • the SIB ID is the SIB ID requested by the UE.
  • the system information dedicated signaling message sent by the network side to the UE carries one or more of the following contents:
  • System information version information such as value tag and / or area ID.
  • the system information version information is version information of the SIB to be used for updating, and may be version information of all SIBs, or version information of a part of the SIB, such as version information of the SIB requested by the UE, or version information of a part of the necessary system information set.
  • the system information configuration information may be corresponding system information requested by the UE, or all system information, or partial system information, and the system information may be configured according to the system information of the current used version according to the delta configuration manner, or configured according to the full configuration. Way of configuration. For MIB and/or SIB1 may be based on UE requests, or the default is always sent.
  • the UE receives the system information sent by the network side, which may take effect immediately, or after the response message is successfully sent to the network side, or takes effect in the next system information modification period.
  • the network side decides to send system information to the UE through dedicated signaling, is applicable to UEs with special services, and/or UEs that cannot receive broadcast system information (for example, UEs that do not configure to acquire system information control resource sets or search spaces, or The UE that can receive the system information update notification, and/or the UE that requests the system information, and/or transmits the special system information, such as the MIB message, the transmission of the PWS notification by dedicated signaling, but is not limited to this scenario.
  • broadcast system information for example, UEs that do not configure to acquire system information control resource sets or search spaces, or
  • the network side sends the system information message may be sent according to the UE request, or may be sent in a modification period before the system information update is valid or the system information update is valid, or any time, and is not limited to this scenario.
  • the UE may send the system information request information, which may be sent after the UE receives the system information notification, or when the receiving broadcast system information fails to be sent, or when the unsent system information is requested, but is not limited to this scenario.
  • the system information dedicated signaling message sent by the network side may be a reconfiguration message or a newly defined dedicated message.
  • the system information request message sent by the UE may be an RRC signaling message or an underlying signaling message.
  • the embodiments of the present disclosure provide a scheme for transmitting system information to a UE by using dedicated signaling, which solves the problem of how the network side provides system information to the UE through dedicated signaling.
  • the problem of acquiring system information in the system update process can be effectively solved.
  • Embodiments of the present disclosure also provide a network device including a memory, a processor, a transceiver, and a computer program stored on the memory and executable on the processor; the processor implements the program The following steps: using the transceiver to send system information to the terminal in the connected state through dedicated signaling.
  • the network device provided by the embodiment of the present disclosure sends system information to the terminal in the connected state through dedicated signaling, and provides a scheme for the network side to send system information to the connected UE through dedicated signaling, thereby realizing an accurate transmission system through the dedicated signaling.
  • the purpose of the information is not limited to, but rather to, but rather to, but rather to, but rather to, but rather to, but rather to, but not to, but not to, but not to, and provides a scheme for the network side to send system information to the connected UE through dedicated signaling, thereby realizing an accurate transmission system through the dedicated signaling. The purpose of the information.
  • the network device of the embodiment of the present disclosure includes:
  • processor 51 a processor 51; and a memory 53 connected to the processor 51 via a bus interface 52, the memory 53 for storing programs and data used by the processor 51 when performing operations, when the processor 51 calls and When executing the programs and data stored in the memory 53, the following processes are performed:
  • the transceiver information is transmitted by the transceiver 54 to the terminal in the connected state by dedicated signaling.
  • the transceiver 54 is coupled to the bus interface 52 for receiving and transmitting data under the control of the processor 51.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 51 and various circuits of memory represented by memory 53.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 54 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 51 is responsible for managing the bus architecture and normal processing, and the memory 53 can store data used by the processor 51 when performing operations.
  • the embodiments of the present disclosure provide the following two examples:
  • the processor is specifically configured to: when the system information update or the public early warning system PWS notification is present, use the transceiver to send system information to the terminal in the connected state by using dedicated signaling.
  • the processor is specifically configured to: receive, by the transceiver, a system information request message sent by a terminal in a connected state; and send system information to the terminal by using dedicated signaling according to the system information request message.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains version information of the system information currently being used, and the identity of the requested system information block explicitly or implicitly contains the main information block and/or the remaining minimum system information RMSI Identity.
  • the processor is specifically configured to: after receiving, by the transceiver, the terminal in the connected state sends the paging system information update or the PWS notification paging downlink control information paging DCI sent by the network device System information request message; or receiving, by the transceiver, a system information request message sent by a terminal in a connected state when the system information broadcasted by the network device is not received; or receiving, by the transceiver, the terminal in the connected state is acquiring System information request message sent when system information is not stored.
  • the processor is specifically configured to: send, by using the transceiver, system information to a connected terminal that has a preset service; or send the preset system information to the connected terminal by using the transceiver; Or through the transceiver to a connected state terminal that cannot receive broadcast system information within a current working bandwidth or a current working active partial bandwidth, wherein the connected state terminal that cannot receive the broadcast system information may be within the current working bandwidth or the currently active partial bandwidth
  • the implementation examples of the system information transmission method on the network device side are applicable to the embodiment of the network device, and the same technical effects can be achieved.
  • Embodiments of the present disclosure also provide a terminal in a connected state, including a memory, a processor, a transceiver, and a computer program stored on the memory and operable on the processor; the processor When the program is executed, the following steps are implemented: receiving, by the transceiver, system information sent by the network device through the dedicated information; and validating the system information.
  • the terminal provided by the embodiment of the present disclosure obtains the system information transmitted by the network device through the dedicated information, and provides the system information that the terminal side receives the system information sent by the network side through dedicated signaling, thereby achieving accurate The purpose of transmitting system information through dedicated signaling.
  • the terminal provided by the embodiment of the present disclosure includes:
  • a processor 63 for storing programs and data used by the processor 61 when performing operations, when the processor 61 calls and When executing the programs and data stored in the memory 63, the following process is performed:
  • the system information is validated.
  • the transceiver 64 is coupled to the bus interface 62 for receiving and transmitting data under the control of the processor 61.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 61 and various circuits of memory represented by memory 63.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 64 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 65 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 61 is responsible for managing the bus architecture and the usual processing, and the memory 63 can store data used by the processor 61 when performing operations.
  • the processor is specifically configured to: immediately validate the system information; or validate the system information in a next system information modification period.
  • the processor is further configured to: before receiving, by the transceiver, system information sent by the network device by using dedicated information, send a system information request message to the network device.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains version information of the system information currently being used, and the identity of the requested system information block explicitly or implicitly contains the main information block and/or the remaining minimum system information RMSI Identity.
  • the processor is specifically configured to: after receiving, by the transceiver, the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS, sending a system information request message to the network device; or When the system information broadcasted by the network device is not received, the system information request message is sent to the network device by the transceiver; or when the unstored system information is acquired, the system information request message is sent to the network device by the transceiver.
  • the processor is specifically configured to: receive, by the transceiver, system information that is sent by the network device when the terminal is a connected terminal with a preset service; or Receiving, by the transceiver, preset system information sent by the network device; or receiving, by the transceiver, the network device, when the terminal is a connected state terminal that cannot receive broadcast system information within a current working bandwidth or a current working active part bandwidth System information, wherein the connected state terminal that cannot receive the broadcast system information is a terminal that does not configure at least one of the following within the current working bandwidth or the currently activated partial bandwidth: a control resource set that acquires system information, and a search space that acquires system information, Obtaining a control resource set of paging of the system information update notification, and a search space for acquiring a paging of the system information update notification.
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, the program being executed by the processor to implement the step of the system information transmission method on the network device side.
  • the implementation examples of the system information transmission method on the network device side are applicable to the embodiment of the computer readable storage medium, and the same technical effects can be achieved.
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, the program being executed by the processor to implement the steps of the system information transmission method on the terminal side.
  • the implementation examples of the system information transmission method on the terminal side are applicable to the embodiment of the computer readable storage medium, and the same technical effects can be achieved.
  • the embodiment of the present disclosure further provides a system information transmission device, which is applied to a network device, as shown in FIG. 7, and includes:
  • the first sending module 71 is configured to send system information to the terminal in the connected state by using dedicated signaling.
  • the system information transmission apparatus transmits system information to a terminal in a connected state by using dedicated signaling, and provides a scheme for the network side to send system information to the connected state UE through dedicated signaling, thereby realizing accurate specific use.
  • the embodiment of the present disclosure provides the following two examples for the specific implementation of the first sending module 71:
  • the first sending module includes: a first sending submodule, configured to send system information to the terminal in the connected state by using dedicated signaling when there is a system information update or a public early warning system PWS notification.
  • the second sending module includes: a first receiving submodule, configured to receive a system information request message sent by a terminal in a connected state; and a second sending submodule, configured to: according to the system information request message, Dedicated signaling sends system information to the terminal.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains version information of the system information currently being used, and the identity of the requested system information block explicitly or implicitly contains the main information block and/or the remaining minimum system information RMSI Identity.
  • the first receiving submodule includes: a first receiving unit, configured to receive, by the terminal in the connected state, the paging downlink control information paging that receives the notification system information update or the PWS notification sent by the network device. a system information request message sent after the DCI; or receiving a system information request message sent by the terminal in the connected state when the system information broadcasted by the network device is not received; or receiving the terminal in the connected state when acquiring the unstored system information System information request message.
  • the first sending submodule includes: a first sending unit, configured to send system information to a connected terminal having a preset service; or send preset system information to a connected terminal; or A connected state terminal that cannot receive broadcast system information within a current working bandwidth or a current working active part of the bandwidth, wherein the connected state terminal that cannot receive the broadcast system information may be configured to have at least one of the following in the current working bandwidth or the currently active part of the bandwidth.
  • Terminal acquires a control resource set of system information, acquires a search space of system information, acquires a control resource set of a paging of the system information update notification, and a search space of a page for acquiring a system information update notification.
  • the implementation examples of the system information transmission method on the network device side are applicable to the embodiment of the system information transmission device, and the same technical effects can be achieved.
  • the embodiment of the present disclosure further provides a system information transmission device, which is applied to a terminal in a connected state, as shown in FIG.
  • the first receiving module 81 is configured to receive system information that is sent by the network device by using dedicated information;
  • the first processing module 82 is configured to validate the system information.
  • the system information transmission apparatus implements the system information by receiving the system information sent by the network device through the dedicated information, and provides a scheme for the terminal side to receive the system information sent by the network side through dedicated signaling, The purpose of accurately transmitting system information through dedicated signaling.
  • the first processing module includes: a first processing submodule configured to validate the system information immediately; or the system information is validated in a next system information modification period.
  • system information transmission apparatus further includes: a second sending module, configured to send a system information request message to the network device before receiving the system information sent by the network device by using the dedicated information.
  • the dedicated signaling for transmitting system information carries at least one of system information configuration, system information version information, and explicit or implicit system information update indication.
  • the system information configuration includes a configuration of system information in a preset system information set; wherein the preset system information set includes all system information, or includes part of system information.
  • the preset system information set includes at least one of the following information: a system information unit with an information element being updated, a system information unit required for the terminal to access the network, and a bandwidth or partial bandwidth of the network working at the terminal.
  • the system information unit required for the preset service and the system information unit requested by the terminal are provided therein; wherein the system information unit comprises a system information block SIB, a system information block group SI or a main information block MIB.
  • the configuration of the system information in the preset system information set includes: an information element of the mandatory attribute and an information element of the updated optional attribute, or the system information configuration in the preset system information set includes: All information elements of the configuration.
  • the system information request message includes at least one of version information of currently stored system information, an identifier of the requested system information block, and an explicit or implicit system information request indication;
  • the version information of the currently stored system information explicitly or implicitly contains version information of the system information currently being used, and the identity of the requested system information block explicitly or implicitly contains the main information block and/or the remaining minimum system information RMSI Identity.
  • the second sending module includes: a third sending submodule, configured to send system information to the network device after receiving the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS The request message; or the system information request message is sent to the network device when the system information broadcasted by the network device is not received; or the system information request message is sent to the network device when the unstored system information is acquired.
  • a third sending submodule configured to send system information to the network device after receiving the notification system information update sent by the network device or the paging downlink control information paging DCI notified by the PWS The request message; or the system information request message is sent to the network device when the system information broadcasted by the network device is not received; or the system information request message is sent to the network device when the unstored system information is acquired.
  • the first receiving module includes: a second receiving sub-module, configured to receive the system that is sent by the network device when the terminal is the connected terminal with the preset service Information; or receiving preset system information sent by the network device; or receiving system information sent by the network device when the terminal is a connected state terminal that cannot receive broadcast system information within the current working bandwidth or the current working active part of the bandwidth, wherein
  • the connected terminal that receives the broadcast system information is a terminal that does not configure at least one of the following in the current working bandwidth or the currently activated partial bandwidth: acquires a control resource set of the system information, acquires a search space of the system information, and acquires a system information update notification.
  • the implementation examples of the system information transmission method on the terminal side are applicable to the embodiment of the system information transmission device, and the same technical effects can be achieved.
  • modules/sub-modules/units may be implemented in software for execution by various types of processors.
  • an identified executable code module can comprise one or more physical or logical blocks of computer instructions, which can be constructed, for example, as an object, procedure, or function. Nonetheless, the executable code of the identified modules need not be physically located together, but may include different instructions stored in different bits that, when logically combined, constitute a module and implement the provisions of the module. purpose.
  • the executable code module can be a single instruction or a plurality of instructions, and can even be distributed across multiple different code segments, distributed among different programs, and distributed across multiple memory devices.
  • operational data may be identified within the modules and may be implemented in any suitable form and organized within any suitable type of data structure. The operational data may be collected as a single data set, or may be distributed at different locations (including on different storage devices), and may at least partially exist as an electronic signal on a system or network.
  • the module can be implemented by software, considering the level of the existing hardware process, the module can be implemented in software, and the technician can construct a corresponding hardware circuit to implement the corresponding function without considering the cost.
  • the hardware circuitry includes conventional Very Large Scale Integration (VLSI) circuits or gate arrays as well as existing semiconductors such as logic chips, transistors, or other discrete components.
  • VLSI Very Large Scale Integration
  • the modules can also be implemented with programmable hardware devices such as field programmable gate arrays, programmable array logic, programmable logic devices, and the like.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé et un appareil de transmission d'informations système, un dispositif réseau et un terminal. Le procédé de transmission d'informations système consiste à : envoyer, au moyen d'une signalisation dédiée, des informations système à un terminal dans un état connecté. L'invention fournit une solution permettant à un côté réseau d'envoyer, au moyen d'une signalisation dédiée, des informations système à un UE dans un état connecté, ce qui permet de transmettre avec précision des informations système au moyen d'une signalisation spécialisée.
PCT/CN2019/078837 2018-03-30 2019-03-20 Procédé et appareil de transmission d'informations système, dispositif réseau et terminal WO2019184779A1 (fr)

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CN113573371B (zh) * 2020-04-29 2023-07-25 中国移动通信有限公司研究院 系统信息传输方法、装置、相关设备及存储介质
CN112438058B (zh) * 2020-10-20 2024-01-05 北京小米移动软件有限公司 系统消息更新方法、设备以及存储介质
EP4240099A4 (fr) * 2020-12-08 2023-12-20 Huawei Technologies Co., Ltd. Procédé de transmission de bloc d'informations système et appareil de communication
WO2023206432A1 (fr) * 2022-04-29 2023-11-02 北京小米移动软件有限公司 Procédé de transmission d'informations système, appareil de communication et dispositif de communication

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