WO2022217507A1 - 系统消息更新的通知方法和装置 - Google Patents

系统消息更新的通知方法和装置 Download PDF

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Publication number
WO2022217507A1
WO2022217507A1 PCT/CN2021/087289 CN2021087289W WO2022217507A1 WO 2022217507 A1 WO2022217507 A1 WO 2022217507A1 CN 2021087289 W CN2021087289 W CN 2021087289W WO 2022217507 A1 WO2022217507 A1 WO 2022217507A1
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WIPO (PCT)
Prior art keywords
system message
type
terminal
update
dci
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PCT/CN2021/087289
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English (en)
French (fr)
Inventor
李艳华
江小威
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2021/087289 priority Critical patent/WO2022217507A1/zh
Priority to CN202180001124.XA priority patent/CN115486155A/zh
Publication of WO2022217507A1 publication Critical patent/WO2022217507A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control 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
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method and apparatus for notifying system message updates, electronic devices, and computer-readable storage media.
  • the terminal In the process of accessing the cell, the terminal needs to obtain the system information of the cell.
  • the system message can be carried in the MIB (Main Information Block, main message block) and multiple SIBs (System Information Block, system message block).
  • channels used for information transmission can be subdivided into physical channels, transport channels and logical channels.
  • the physical channel is the channel through which the physical layer actually transmits information
  • the transmission channel is the channel between the physical layer and the MAC (Medium Access Control, media access control) sublayer
  • the logical channel is the MAC sublayer and the RLC (Radio Link Control, Radio link control) channel between sublayers.
  • both MIB and SIB are carried by BCCH (Broadcast Control Channel, broadcast control channel).
  • BCCH Broadcast Control Channel, broadcast control channel
  • the channels carrying MIBs and SIBs are different.
  • MIB is carried by BCH (Broadcast Channel, broadcast channel) on the transmission channel, and mapped to the physical channel PBCH (Physical Broadcast Channel, physical broadcast channel);
  • SIB is carried by DL-SCH (Downlink Shared Channel, downlink channel) on the transmission channel Shared channel) is carried and mapped to the physical channel PDSCH (Physical Downlink Shared Channel, physical downlink shared channel).
  • the embodiments of the present disclosure propose a method and apparatus for notifying system message update to solve the technical problems in the related art.
  • a method for notifying a system message update is provided, which is executed by a base station, and the method includes:
  • the first type of system message is a system message carried by other channels other than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • a method for notifying an update of a system message which is executed by a terminal, and the method includes:
  • the first type of system message is a system message carried by other channels than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • a system message update notification device comprising:
  • the notification sending module is configured to send an update notification to the terminal in response to determining that the first type of system message is updated; wherein the first type of system message is carried by other channels other than the broadcast channel BCH and the downlink shared channel DL-SCH system information.
  • a system message update notification device comprising:
  • the notification receiving module is configured to determine the first type of system message update in response to receiving the update notification sent by the base station; wherein the first type of system message is a channel other than the broadcast channel BCH and the downlink shared channel DL-SCH System messages carried.
  • an electronic device including:
  • memory for storing processor-executable instructions
  • the processor is configured to implement the above notification method for system message update.
  • a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the steps in the above-mentioned system message update notification method.
  • the base station can also send an update notification to the terminal in time, so that the terminal can know the system message update in time, and according to the actual situation It is required to receive updated system messages to ensure normal communication.
  • FIG. 1 is a schematic flowchart of a method for notifying system message update according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic flowchart of another method for notifying system message update according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic flowchart of another method for notifying system message update according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic block diagram of an apparatus for notifying system message update according to an embodiment of the present disclosure.
  • Fig. 5 is a schematic block diagram of another apparatus for notifying system message update according to an embodiment of the present disclosure.
  • Fig. 6 is a schematic block diagram of an apparatus for notifying a system message update according to an embodiment of the present disclosure.
  • Fig. 7 is a schematic block diagram of an apparatus for notifying a system message update according to an embodiment of the present disclosure.
  • system messages may be carried in MIBs or SIBs, where SIBs may include SIB1 and other SIBs.
  • the base station schedules through the DCI of the PDCCH, that is, the terminal can first receive the DCI carried by the PDCCH, and then receive the SIB carried by the PDSCH according to the indication of the DCI, and obtain system messages.
  • system messages may be carried on other channels than the above-mentioned channels, for example, a part of system messages may be directly carried in the DCI originally used for scheduling SIBs. Therefore, the terminal does not need to receive the DCI first, and then receives the SIB according to the scheduling of the DCI, but directly receives the system message in the DCI, thereby saving energy consumption and improving information receiving efficiency.
  • the base station may send a DCI (Downlink Control Information, downlink control information) carrying a short message short message to the terminal to instruct the terminal to update the logical BCCH channel. Since the BCCH channel is used to carry the MIB or SIB, the terminal can determine that the system message carried by the MIB or SIB is updated, and receive the updated system message according to the actual situation.
  • DCI Downlink Control Information, downlink control information
  • the embodiments of the present disclosure propose a method and apparatus for notifying system message update to solve the above-mentioned technical problems.
  • FIG. 1 is a schematic flowchart of a method for notifying system message update according to an embodiment of the present disclosure.
  • the method for notifying system message update shown in this embodiment may be applicable to base stations, and the base stations include but are not limited to 4G base stations, 5G base stations, and 6G base stations.
  • the base station may communicate with a terminal that is a user equipment, and the terminal includes but is not limited to electronic devices such as mobile phones, tablet computers, wearable devices, sensors, and Internet of Things devices.
  • the terminal may be a terminal to which the method for notifying system message update described in any subsequent embodiment is applicable.
  • the notification method of the system message update may include the following steps:
  • step S101 in response to determining that the first type of system message is updated, an update notification is sent to the terminal.
  • the first type of system message is a system message carried by other channels than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • the base station may send an update notification to the terminal when determining that the first type of system message is updated.
  • the terminal when the terminal receives the update notification, it may determine that the system message is changed, and perform a response operation. For example, the terminal may receive updated system messages, update local configuration, and the like.
  • the first type of system message is a system message carried by channels other than the broadcast channel BCH and the downlink shared channel DL-SCH, or, it can also be said that the first type of system message is a system message carried by channels other than PBCH and PDSCH System messages carried by other channels.
  • system messages carried in the MIB and SIB in the related art are carried by the BCH and DL-SCH channels on the transmission channel, the BCCH on the logical channel, and the PBCH and PDSCH on the physical channel. .
  • the base station can also send an update notification to the terminal in time, so that the terminal can learn the system message update in time and receive it according to actual needs.
  • the updated system message ensures normal communication.
  • the other channel is a physical downlink control channel PDCCH.
  • the PDCCH may be control signaling for scheduling SIBs, where the SIBs may be SIB1 or other SIBs.
  • the terminal can receive the first type of system message on the PDCCH without receiving it on the PDSCH according to the indication of the DCI, which improves the information receiving efficiency and helps save energy consumption.
  • the first type of system message is carried in downlink control information DCI used for scheduling a system message block SIB carried by the PDCCH.
  • the terminal usually also needs to receive the DCI of the scheduled SIB, so the base station does not need to give additional instructions to the terminal, but carries the first type of system message based on the original information, which is conducive to simplification process, saving signaling overhead.
  • the terminal can obtain multiple messages through one reception, thereby further improving the information receiving efficiency.
  • the updated first-type system message is generally also transmitted by other channels.
  • the base station may also send the updated first type system message to the terminal through the PDCCH; If there is an update of the first type of system message in the DCI of the scheduling SIB, the updated first type of system message may still be carried by the DCI. Therefore, the terminal can also receive the updated first type system message with high efficiency and low energy consumption.
  • the base station may, for all terminals, send the first type of system messages by means of other channels other than the above-mentioned broadcast channel BCH and downlink shared channel DL-SCH, that is, some system messages pass through MIB in the related art or SIB, and some system messages are carried through other channels as first-type system messages.
  • the base station may also be directed only to a specific terminal, for example, it may be directed to a Redcap (Reduced capability) terminal, or may be directed to a 1RX single-receiving terminal in a Redcap terminal, using the above-mentioned broadcast channel BCH and downlink shared channel Part of the system messages are carried by other channels other than the DL-SCH; and for other terminals, only the MIB or SIB in the related art is used to carry all the system messages. Therefore, the energy consumption of the specific terminal can be saved in a targeted manner.
  • a Redcap Reduced capability
  • the base station may also use the above-mentioned manner of carrying the specific system message through other channels other than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • the base station can use it as the first type of system message and carry it through other channels than the broadcast channel BCH and the downlink shared channel DL-SCH;
  • the information on whether to allow intra-frequency cell reselection after barring the base station can use it as the first type system message, and carry it through other channels other than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • MIBs or SIBs in the related art are used to carry them.
  • the first type of system message is used to indicate information about the access restriction of a specific terminal in the cell, that is to say, the base station can also use the broadcast channel BCH and the downlink shared channel for the specific system message in the specific terminal.
  • Other channels other than DL-SCH are carried.
  • the base station may also determine a method to send the system message to the terminal according to the actual situation, which is not limited in this embodiment.
  • the base station sending an update notification to the terminal includes: sending a short message to the terminal, where the short message is used to indicate the DCI update.
  • the DCI may be the DCI used to schedule the SIB.
  • the terminal since the first type of system message is carried in the DCI used to schedule the SIB, if the short message indicates that the DCI is updated, the terminal may determine that the first type of system message is updated.
  • the short message is only used to indicate the BCCH update, and cannot be used to indicate the DCI update.
  • a function for instructing the DCI update of the scheduled SIB is added to the short message.
  • a bit in the short message can indicate a BCCH other than SIB6, SIB7 and SIB8 or a DCI modification of a scheduled SIB (indication of a BCCH or DCI scheduling SIB modification other than SIB6, SIB7and SIB8).
  • the first type of system message is carried by a broadcast control channel BCCH on a logical channel; the BCCH is mapped to the DCI carried by the PDCCH for scheduling DL-SCH.
  • the SIB is carried by the DL-SCH on the transport channel, and the DCI for scheduling the DL-SCH may also be referred to as the DCI for scheduling the SIB.
  • the BCCH can be mapped to the BCH used to carry the MIB and the DL-SCH used to carry the SIB, but cannot be mapped to the PDCCH.
  • the BCCH is extended to be mapped to the DCI used for scheduling the DL-SCH carried by the PDCCH.
  • the first type of system message carried by the PDCCH channel also belongs to the BCCH on the logical channel. Therefore, the short message used to indicate the BCCH update in the related art can also indicate the first type of system message update. According to the above embodiment, the definition of the short message does not need to be updated, and the short message in the related art can still be used to indicate the update of the first type of system message, so that the terminal can know the update of the first type of system message in time and ensure normal communication.
  • the BCCH is mapped to the DCI for scheduling the DL-SCH (BCCH can be mapped to DCI scheduling DL-SCH), an RRC message can be added on the BCCH logical channel, and the RRC message is carried on the physical channel in in DCI.
  • an RRC message BCCH-DCI-Message may be defined, where the BCCH-DCI-Message is an RRC message sent from the network to the UE through DCI on the BCCH logical channel.
  • the format of the BCCH-DCI-Message can be:
  • the RRC message passes through the PDCP (Packet Data Convergence Protocol, Packet Data Convergence Protocol) layer and the MAC layer to reach the physical layer PHY, so that the bits in the RRC message can be mapped to DCI.
  • PDCP Packet Data Convergence Protocol, Packet Data Convergence Protocol
  • the BCCH is mapped to the DCI used for scheduling the DL-SCH carried by the PDCCH, and the format of the DCI may also have various forms.
  • the DCI may be format 1_0 with CRC scrambled by the system message radio network temporary identification SI-RNTI (i.e. DCI format 1_0 with CRC scrambled by SI-RNTI).
  • SI-RNTI system message radio network temporary identification
  • the first type of system message may be carried in the reserved bits of the DCI.
  • the following information is transmitted via DCI format 1_0 with CRC scrambled by SI-RNTI:
  • Frequency domain resource assignment bits of which, is the size of the initial DL bandwidth part
  • Modulation and coding scheme – such as Subclause 5.1.3 of [6, TS38.214], using 5 bits as defined in Table 5.1.3.1-1
  • reserved bits can be used to carry the first type of system message.
  • the DCI can be used to transmit the first type of system message without affecting the original scheduling information, thereby improving the information transmission efficiency and reducing the signaling overhead.
  • the DCI may be a designated format (i.e., DCI format 1_0' with CRC scrambled by SI-RNTI) with CRC scrambled by the system message wireless network temporary identification SI-RNTI, wherein, The specified format format 1_0' is dedicated to carrying the first type of system message.
  • the terminal can determine that the DCI is used to carry the first type of system message, so as to ensure the reliability of information transmission.
  • the DCI may be a specified format with a cyclic redundancy check CRC scrambled by a specified wireless network temporary identification RNTI (ie DCI format 1_0 with CRC scrambled by SI-RNTI'), wherein the specified wireless network The temporary identity SI-RNTI' is dedicated to scrambling the DCI.
  • a specified wireless network temporary identification RNTI ie DCI format 1_0 with CRC scrambled by SI-RNTI'
  • the above-specified DCI format and the specified wireless network temporary identifier SI-RNTI may be applied in combination, that is, the specified DCI format and the specified wireless network temporary identifier SI-RNT are simultaneously introduced to carry the first type of system message.
  • the base station may also send an update notification to the terminal.
  • the base station may also send an update notification to the terminal. The following description will be made with reference to FIG. 2 .
  • FIG. 2 is a schematic flowchart of another method for notifying system message update according to an embodiment of the present disclosure. As shown in Figure 2, the method further includes:
  • step S201 in response to determining that the second type of system message is updated, the update notification is sent to the terminal.
  • the second type of system message is a system message carried by BCH or DL-SCH.
  • the base station may also send an update notification to the terminal when determining that the second type of system message is updated.
  • the second type of system message carried by the BCH or the DL-SCH is the system message carried in the MIB and the SIB in the related art.
  • the base station may further send indication information to the terminal, where the indication information is used to indicate at least one of the first type of system message and the second type of system message an update.
  • the indication information sent by the base station may indicate that the first type of system message is updated, or the second type of system message is updated, or both the first type and the second type of system message are updated.
  • the indication information may be different identifiers, such as including several bits.
  • the indication information is the first identifier (for example, "01"), it may indicate that the first type of system message is updated; when the indication is the first type of system message update; When the information is the first identifier (for example, "10"), the second type of system message update can be indicated; when the indication information is the third identifier (for example, "11"), the first type and the second type can be indicated.
  • Type system messages are updated.
  • the indication information sent by the base station may be carried in various ways.
  • the base station may send a power saving signal to the terminal, where the power saving signal carries the indication information.
  • the power saving signal may be WUS (wake up signal).
  • the terminal can instruct the terminal to monitor the paging DCI through the WUS, that is, if the terminal detects the WUS, it monitors the subsequent paging DCI corresponding to the WUS; if the WUS is not detected, it is not necessary to The paging DCI corresponding to the WUS monitors, so that the terminal can save energy consumption.
  • the base station carries the indication information in the power saving signal without adding a new transmission signal, which reduces signaling overhead.
  • the terminal can determine whether to monitor the subsequent DCI according to actual requirements, thereby saving energy consumption.
  • the base station may send paging DCI to the terminal, where the paging DCI carries the indication information.
  • the paging DCI also carries the updated system message of the first type.
  • the base station may carry the indication information in the first several bits of the paging DCI, and carry the updated first type system message in the last several bits.
  • the power saving signal further carries the updated first type system message.
  • the base station may carry the indication information in the first several bits of the power saving signal, and carry the updated first type system message in the last several bits.
  • the terminal can continuously receive the update notification and the updated first-type system message without needing to wake up multiple times to receive them separately, which is beneficial to saving energy consumption.
  • FIG. 3 is a schematic flowchart of a method for notifying system message update according to an embodiment of the present disclosure.
  • the method for notifying system message update shown in this embodiment may be applicable to terminals, and the terminals include but are not limited to electronic devices such as mobile phones, tablet computers, wearable devices, sensors, and Internet of Things devices.
  • the terminal may communicate with a base station as a user equipment, and the base station includes but is not limited to a 4G base station, a 5G base station, and a 6G base station.
  • the base station may be a base station to which the method for notifying system message update described in any of the foregoing embodiments is applicable.
  • the notification method of the system message update may include the following steps:
  • step S301 in response to receiving the update notification sent by the base station, it is determined that the system message of the first type is updated.
  • the first type of system message is a system message carried by other channels than the broadcast channel BCH and the downlink shared channel DL-SCH.
  • the base station may send an update notification to the terminal when determining that the first type of system message is updated. Based on this, when the terminal receives the update notification, it can determine that the system message is changed, and perform corresponding operations. For example, the terminal can receive the updated system message and update the local configuration.
  • the base station can also send an update notification to the terminal in time, so that the terminal can learn the system message update in time and receive it according to actual needs.
  • the updated system message ensures normal communication.
  • the update notification is indicated by a short message short message sent by the base station.
  • the base station may carry the first type of system message in the DCI of the scheduled SIB, and at the same time, the base station adds a function for indicating the DCI update of the scheduled SIB to the short message.
  • the terminal can determine that the first type of system message is updated.
  • the base station maps only the BCCH to the BCH and the DL-SCH in the related art, and also maps to the DCI for scheduling the DL-SCH carried by the PDCCH. Therefore, the short message used to indicate the BCCH update in the related art can also indicate the first type of system message update.
  • the short message message may indicate either the update of the first type of system message or the update of the second type of system message. Therefore, the base station can also send indication information to the terminal, so that the terminal can distinguish which type of system message update is based on the indication information.
  • the determining that there is an update to the first type of system message includes:
  • Receive indication information sent by the base station where the indication information is used to indicate that at least one of the first type of system message and the second type of system message is updated; wherein, the second type of system message is sent by BCH or System messages carried by DL-SCH;
  • a first type of system message update is determined.
  • the terminal may also determine that the second type of system message is updated based on the indication information; or, the terminal may also determine that both the first type and the second type of system message are updated based on the indication information.
  • the indication information may include different identities, and the terminal determines the meanings represented by the different identities according to pre-negotiation with the base station or according to the agreement, so as to determine the specific system message update according to the indication information. For example: when the indication information is the first identifier (for example, "01"), the first type of system message update can be indicated; when the indication information is the first identifier (for example, "10"), the first type of system message update can be indicated. Two types of system messages are updated; when the indication information is the third identifier (for example, "11"), it can be indicated that both the first type and the second type of system messages are updated.
  • the indication information sent by the base station may be carried in various ways.
  • the base station may send a power saving signal to the terminal, where the power saving signal carries the indication information.
  • the terminal may receive a power saving signal sent by the base station; the power saving signal carries the indication information.
  • the base station may send paging DCI to the terminal, where the paging DCI carries the indication information.
  • the paging DCI sent by the base station is received; the paging DCI carries the indication information.
  • the paging DCI sent by the base station is received, and the paging DCI also carries the updated first type system message.
  • a power saving signal sent by the base station is received, and the power saving signal further carries the updated first type system message.
  • the terminal may further receive the updated first-type system message on the other channel.
  • the terminal can perform corresponding operations according to the updated first type system message, for example, if it is determined to be prohibited by the cell, it can switch to another cell, etc., to ensure normal communication.
  • FIG. 4 is a schematic block diagram of an apparatus for notifying system message update according to an embodiment of the present disclosure.
  • the device for notifying system message update shown in this embodiment may be applicable to base stations, and the base stations include but are not limited to 4G base stations, 5G base stations, and 6G base stations.
  • the base station may communicate with a terminal that is a user equipment, and the terminal includes but is not limited to electronic devices such as mobile phones, tablet computers, wearable devices, sensors, and Internet of Things devices.
  • the terminal may be a terminal to which the apparatus for notifying system message update described in any subsequent embodiment is applicable.
  • the device for notifying the system message update may include:
  • the first notification sending module 401 is configured to, in response to determining that the first type of system message is updated, send an update notification to the terminal; wherein, the first type of system message is provided by other than the broadcast channel BCH and the downlink shared channel DL-SCH System messages carried by the channel.
  • the other channel is a physical downlink control channel PDCCH.
  • the first type of system message is carried in downlink control information DCI used for scheduling a system message block SIB carried by the PDCCH.
  • the notification sending module 401 is specifically configured to send a short message short message to the terminal, where the short message is used to indicate the DCI update.
  • the first type of system message is carried by a broadcast control channel BCCH on a logical channel; the BCCH is mapped to the DCI carried by the PDCCH for scheduling DL-SCH.
  • the format of the DCI is format 1_0 with a cyclic redundancy check CRC scrambled by the system message wireless network temporary identifier SI-RNTI; the first type of system message is carried in the DCI reserved bits.
  • the format of the DCI is a specified format with a cyclic redundancy check CRC scrambled by the system message wireless network temporary identifier SI-RNTI; the specified format is dedicated to carrying the first type of system message .
  • the format of the DCI is format 1_0 with a CRC scrambled by a designated wireless network temporary identifier RNTI; the designated RNTI is dedicated to scramble the DCI.
  • the apparatus further comprises:
  • the second notification sending module 402 is configured to send the update notification to the terminal in response to determining that the second type of system message is updated; wherein the second type of system message is a system message carried by BCH or DL-SCH .
  • the apparatus further comprises:
  • the indication information sending module 403 is configured to send indication information to the terminal, where the indication information is used to indicate that at least one of the first type of system message and the second type of system message is updated.
  • the indication information sending module 403 is specifically configured to: send a power saving signal to the terminal, where the power saving signal carries the indication information.
  • the indication information sending module 403 is specifically configured to: send paging DCI to the terminal, where the paging DCI carries the indication information.
  • the terminal is a specific type of terminal
  • the first type of system message is used to indicate information about access restriction of a specific terminal in the cell.
  • the present disclosure also provides an embodiment of a system message update notification device.
  • Fig. 5 is a schematic block diagram of another apparatus for notifying system message update according to an embodiment of the present disclosure.
  • the device for notifying system message update shown in this embodiment may be applicable to terminals, and the terminals include but are not limited to electronic devices such as mobile phones, tablet computers, wearable devices, sensors, and Internet of Things devices.
  • the terminal may communicate with a base station as a user equipment, and the base station includes but is not limited to a 4G base station, a 5G base station, and a 6G base station.
  • the base station may be a base station to which the apparatus for notifying system message update described in any of the foregoing embodiments is applicable.
  • the device for notifying the system message update may include:
  • the first notification receiving module 501 is configured to, in response to receiving the update notification sent by the base station, determine that the first type of system message is updated; wherein, the first type of system message is composed of a broadcast channel BCH and a downlink shared channel DL-SCH other than the system messages carried by other channels.
  • the update notification is indicated by a short message short message sent by the base station.
  • the apparatus further comprises:
  • the message receiving module 502 is configured to receive the updated system message of the first type on the other channel.
  • the apparatus further includes: an indication information receiving module 503, configured to:
  • Receive indication information sent by the base station where the indication information is used to indicate that at least one of the first type of system message and the second type of system message is updated; wherein, the second type of system message is sent by BCH or System messages carried by DL-SCH;
  • the first notification receiving module 501 is specifically configured to: determine the first type of system message update based on the indication information.
  • the first notification receiving module 501 is specifically configured as:
  • a power saving signal sent by the base station is received; the power saving signal carries the indication information.
  • the first notification receiving module 501 is specifically configured as:
  • the paging DCI carries the indication information.
  • Embodiments of the present disclosure also provide an electronic device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to implement the above notification method for system message update.
  • Embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, characterized in that, when the program is executed by a processor, the above-mentioned method for notifying system message update is implemented.
  • FIG. 6 is a schematic block diagram of an apparatus 600 for notifying a system message update according to an embodiment of the present disclosure.
  • the apparatus 600 may be provided as a base station.
  • apparatus 600 includes a processing component 622, a wireless transmit/receive component 624, an antenna component 626, and a signal processing portion specific to a wireless interface, and the processing component 622 may further include one or more processors.
  • One of the processors in the processing component 622 may be configured to implement a notification method of system message updates.
  • FIG. 7 is a schematic block diagram of an apparatus 700 for notifying a system message update according to an embodiment of the present disclosure.
  • apparatus 700 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the apparatus 700 may include one or more of the following components: a processing component 702, a memory 704, a power supply component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and communication component 716 .
  • the processing component 702 generally controls the overall operation of the device 700, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 702 may include one or more processors 720 to execute the instructions, so as to complete all or part of the steps of the above-mentioned method for notifying a system message update.
  • processing component 702 may include one or more modules to facilitate interaction between processing component 702 and other components.
  • processing component 702 may include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
  • Memory 704 is configured to store various types of data to support operations at device 700 . Examples of such data include instructions for any application or method operating on device 700, contact data, phonebook data, messages, pictures, videos, and the like. Memory 704 may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 706 provides power to the various components of device 700 .
  • Power components 706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 700 .
  • Multimedia component 708 includes screens that provide an output interface between the device 700 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • multimedia component 708 includes a front-facing camera and/or a rear-facing camera. When the apparatus 700 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data.
  • Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 710 is configured to output and/or input audio signals.
  • audio component 710 includes a microphone (MIC) that is configured to receive external audio signals when device 700 is in operating modes, such as calling mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 704 or transmitted via communication component 716 .
  • audio component 710 also includes a speaker for outputting audio signals.
  • the I/O interface 712 provides an interface between the processing component 702 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of device 700 .
  • the sensor assembly 714 can detect the open/closed state of the device 700, the relative positioning of components, such as the display and keypad of the device 700, and the sensor assembly 714 can also detect a change in the position of the device 700 or a component of the device 700 , the presence or absence of user contact with the device 700 , the orientation or acceleration/deceleration of the device 700 and the temperature change of the device 700 .
  • Sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 714 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 716 is configured to facilitate wired or wireless communication between apparatus 700 and other devices.
  • Device 700 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, 4G LTE, 5G NR, or a combination thereof.
  • the communication component 716 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 716 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 700 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), a controller, a microcontroller, a microprocessor or other electronic components are implemented to perform the above notification method for system message update.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller a controller
  • microcontroller a microcontroller
  • microprocessor or other electronic components are implemented to perform the above notification method for system message update.
  • a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 704 including instructions, and the above-mentioned instructions can be executed by the processor 720 of the apparatus 700 to complete the above-mentioned system message update notification method .
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Abstract

本公开涉及系统消息更新的通知方法和装置，其中，所述系统消息更新的通知方法包括：响应于确定第一类型系统消息更新，向终端发送更新通知；其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。根据本公开，对于由BCH和DL-SCH以外的其他信道承载的系统消息，若系统消息更新，基站也可以及时向终端发送更新通知，从而终端可以及时获知系统消息更新，并根据实际需求接收更新后的系统消息，保证通信正常进行。

Description

系统消息更新的通知方法和装置 技术领域
本公开涉及通信技术领域，具体而言，涉及系统消息更新的通知方法和装置，电子设备和计算机可读存储介质。
背景技术
终端在接入小区过程中，需要获取小区的系统信息，在相关技术中，系统消息可以携带在MIB(Main Information Block，主消息块)和多个SIB(System Information Block，系统消息块)中。
在无线通信中，用于信息传输的信道可以细分为物理信道、传输信道和逻辑信道。其中，物理信道是物理层实际传输信息的信道，传输信道是物理层与MAC(Medium Access Control，媒体接入控制)子层之间的信道，逻辑信道是MAC子层和RLC(Radio Link Control，无线链路控制)子层之间的信道。
在逻辑信道上，MIB和SIB均由BCCH(Broadcast Control Channel，广播控制信道)承载。在传输信道和物理信道上，承载MIB和SIB的信道不同。其中，MIB在传输信道上由BCH(Broadcast Channel，广播信道)承载，并映射到物理信道PBCH(Physical Broadcast Channel，物理广播信道)上；SIB在传输信道上由DL-SCH(Downlink Shared Channel，下行共享信道)承载，并映射到物理信道PDSCH(Physical Downlink Shared Channel，物理下行共享信道)上。
发明内容
有鉴于此，本公开的实施例提出了系统消息更新的通知方法和装置，以解决相关技术中的技术问题。
根据本公开实施例的第一方面，提出一种系统消息更新的通知方法，由基站执行，所述方法包括：
响应于确定第一类型系统消息更新，向终端发送更新通知；
其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以 外的其他信道承载的系统消息。
根据本公开实施例的第二方面，提出一种系统消息的更新通知方法，由终端执行，所述方法包括：
响应于接收到基站发送的更新通知，确定第一类型系统消息更新；
其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
根据本公开实施例的第三方面，提出一种系统消息更新的通知装置，所述装置包括：
通知发送模块，被配置为响应于确定第一类型系统消息更新，向终端发送更新通知；其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
根据本公开实施例的第四方面，提出一种系统消息更新的通知装置，所述装置包括：
通知接收模块，被配置为响应于接收到基站发送的更新通知，确定第一类型系统消息更新；其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
根据本公开实施例的第五方面，提出一种电子设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为实现上述系统消息更新的通知方法。
根据本公开实施例的第六方面，提出一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现上述系统消息更新的通知方法中的步骤。
根据本公开的实施例，对于由BCH和DL-SCH以外的其他信道承载的系统消息，若系统消息更新，基站也可以及时向终端发送更新通知，从而终端可以及时获知系统消息更新，并根据实际需求接收更新后的系统消息，保证通信正常进行。
附图说明
为了更清楚地说明本公开实施例中的技术方案，下面将对实施例描述中所需要 使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是根据本公开的实施例示出的一种系统消息更新的通知方法的示意流程图。
图2是根据本公开的实施例示出的另一种系统消息更新的通知方法的示意流程图。
图3是根据本公开的实施例示出的另一种系统消息更新的通知方法的示意流程图。
图4是根据本公开的实施例示出的一种系统消息更新的通知装置的示意框图。
图5是根据本公开的实施例示出的另一种系统消息更新的通知装置的示意框图。
图6是根据本公开的实施例示出的一种用于系统消息更新的通知的装置的示意框图。
图7是根据本公开的实施例示出的一种用于系统消息更新的通知的装置的示意框图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
在相关技术中，系统消息可以携带在MIB或SIB中，其中SIB可以包括SIB1和其他SIB。
针对由PDSCH所承载的SIB，基站通过PDCCH的DCI来调度，也就是说，终端可以先接收PDCCH所承载的DCI，然后根据该DCI的指示来接收PDSCH所承载的SIB，并获取系统消息。
在一个实施例中，为了节约终端能耗，可以在除了上述信道以外的其他信道来 承载系统消息，例如可以直接在原先用于调度SIB的DCI中直接携带一部分系统消息。从而，终端无需先接收DCI，再根据DCI的调度接收SIB，而是直接在DCI中接收到系统消息，从而节约了能耗，提高信息接收效率。
对于通过MIB和SIB携带的系统消息，若系统消息更新，基站可以向终端发送携带有短消息short message的DCI(Downlink Control Information，下行控制信息)，以指示终端逻辑BCCH信道更新。由于BCCH信道用于承载MIB或SIB，因此终端可以确定MIB或SIB所携带的系统消息更新，并根据实际情况接收更新后的系统消息。
然而，对于由BCH和DL-SCH以外的其他信道承载的系统消息，若系统消息更新，终端也无法获知，从而可能影响正常通信。
有鉴于此，本公开的实施例提出了系统消息更新的通知方法和装置，以解决上述技术问题。
图1是根据本公开的实施例示出的一种系统消息更新的通知方法的示意流程图。本实施例所示的系统消息更新的通知方法可以适用于基站，所述基站包括但不限于4G基站、5G基站、6G基站。所述基站可以与作为用户设备的终端进行通信，所述终端包括但不限于手机、平板电脑、可穿戴设备、传感器、物联网设备等电子设备。在一个实施例中，所述终端可以是后续任一实施例所述系统消息更新的通知方法所适用的终端。
如图1所示，所述系统消息更新的通知方法可以包括以下步骤：
在步骤S101中，响应于确定第一类型系统消息更新，向终端发送更新通知。
其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
在一个实施例中，基站在确定第一类型系统消息更新时，可以向终端发送更新通知。
在一个实施例中，终端在接收到该更新通知时，可以确定系统消息发生变更，并执行响应操作。例如，终端可以接收更新后的系统消息，以及更新本地配置等。
在一个实施例中，第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息，或者，也可以说，第一类型系统消息为由PBCH和PDSCH以外的其他信道承载的系统消息。
需要说明的是，相关技术中的携带在MIB和SIB中的系统消息，在传输信道上由BCH和DL-SCH信道承载，其在逻辑信道上由BCCH承载，在物理信道上由PBCH和PDSCH承载。
根据上述实施例，对于由BCH和DL-SCH以外的其他信道承载的系统消息，若系统消息更新，基站也可以及时向终端发送更新通知，从而终端可以及时获知系统消息更新，并根据实际需求接收更新后的系统消息，保证通信正常进行。
在一个实施例中，所述其他信道为物理下行控制信道PDCCH。其中，在一个例子中，该PDCCH可以是调度SIB的控制信令，其中SIB可以是SIB1或其他SIB。
基于此，在一个实施例中，终端可以在PDCCH上接收第一类型系统消息，而不需要根据DCI的指示在PDSCH中接收，提高了信息接收效率，有利于节约能耗。
在一个实施例中，所述第一类型系统消息携带在所述PDCCH所承载的用于调度系统消息块SIB的下行控制信息DCI中。
基于此，在一个实施例中，对于该调度SIB的DCI，终端通常也是需要接收的，因此基站无需对终端进行额外的指示，而是基于原先的信息来携带第一类型系统消息，有利于简化流程，节省信令开销。此外，若该DCI中既携带第一类型系统消息，又携带SIB的调度消息，则终端可以通过一次接收，获取多种消息，从而进一步提高了信息接收效率。
在一个实施例中，对于上述第一类型系统消息，更新后的第一类型系统消息一般也由其他信道来进行传输。例如，对于PDCCH承载的第一类型系统消息，若存在更新，基站在向终端发送更新通知后，还可以通过PDCCH向终端发送更新后的第一类型系统消息；对于携带在PDCCH所承载的用于调度SIB的DCI中第一类型系统消息，若存在更新，仍可以由DCI来携带更新后的第一类型系统消息。从而，终端也可以高效低能耗地接收更新后的第一类型系统消息。
在一个实施例中，基站可以针对所有终端，均通过上述广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的方式来发送第一类型系统消息，即将部分系统消息通过相关技术中的MIB或SIB来承载，部分系统消息作为第一类型系统消息通过其他信道承载。
在一个实施例中，基站也可以仅针对特定的终端，例如可以是针对Redcap(Reduced capability)终端、或者也可以是针对Redcap终端中的1RX单接收终端， 采用上述通过广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的方式来承载部分系统消息；而对于其他终端，仅采用相关技术中MIB或SIB来承载所有系统消息的方式。从而，可以有针对性地节约该特定终端的能耗。
在一个实施例中，基站也可以对特定的系统消息，采用该上述通过广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的方式。例如，对于终端是否在小区被禁止(bar)的信息，基站可以将其作为第一类型系统消息，通过广播信道BCH和下行共享信道DL-SCH以外的其他信道承载；例如，对于终端在小区被禁止(bar)后是否允许同频小区重选的信息，基站可以将其作为第一类型系统消息，通过广播信道BCH和下行共享信道DL-SCH以外的其他信道承载。而对于其他系统消息，作为第二类型系统消息，采用相关技术中MIB或SIB来承载。
在一个实施例中，所述第一类型系统消息用于指示特定终端在该小区接入限制的信息，也就是说基站也可以针对特定终端中的特定系统消息，通过广播信道BCH和下行共享信道DL-SCH以外的其他信道承载。
需要说明的是，上述终端类型和系统消息类型只是示例性说明，并不是具体限定。在实际应用中，基站还可以根据实际情况来确定通过何种方法来向终端发送系统消息，本实施例不进行限定。
在一个实施例中，基站向终端发送更新通知，包括：向所述终端发送短消息short message，所述短消息用于指示所述DCI更新。
其中，该DCI可以为用于调度SIB的DCI。在一个实施例中，由于第一类型系统消息携带在用于调度SIB的DCI，因此，若短消息指示该DCI更新，则终端可以确定第一类型系统消息更新。
需要说明的是，在相关技术中，短消息仅用于指示BCCH更新，而不能用于指示DCI更新。而根据上述实施例，短消息新增了用于指示调度SIB的DCI更新的功能。由此，终端在接收到该短消息后，可以确定第一类型系统消息更新。
举例来说，该短消息的中的一个比特位，如果设置为1，可以指示除了SIB6,SIB7and SIB8以外的BCCH或调度SIB的DCI变更(indication of a BCCH or DCI scheduling SIB modification other than SIB6,SIB7and SIB8)。
在一个实施例中，所述第一类型系统消息在逻辑信道上由广播控制信道BCCH承载；所述BCCH映射到PDCCH所承载的用于调度DL-SCH的DCI。
在一个实施例中，SIB在传输信道上由DL-SCH承载，该用于调度DL-SCH的DCI也可以称为调度SIB的DCI。
需要说明的是，在相关技术中，BCCH可以映射到用于承载MIB的BCH、用于承载SIB的DL-SCH，而不能映射到PDCCH。而根据上述实施例，将BCCH扩展为可以映射到PDCCH所承载的用于调度DL-SCH的DCI。
也就是说，由PDCCH信道所承载的第一类型系统消息，在逻辑信道上也属于BCCH。由此，相关技术中用于指示BCCH更新的短消息，也可以指示第一类型系统消息更新。根据上述实施例，不需要对短消息的定义进行更新，仍可以采用相关技术中的短消息来指示第一类型系统消息的更新，使得终端及时获知第一类型系统消息更新，保证通信正常。
在一个实施例中，将BCCH映射到用于调度DL-SCH的DCI(BCCH can be mapped to DCI scheduling DL-SCH)，可以在BCCH逻辑信道上增加RRC消息，该RRC消息在物理信道上携带在DCI中。
举例来说，可以在定义RRC消息BCCH-DCI-Message，该BCCH-DCI-Message为通过BCCH逻辑信道上的DCI从网络发送到UE的RRC消息。例如，该BCCH-DCI-Message的格式可以为：
Figure PCTCN2021087289-appb-000001
在一个实施例中，该RRC消息经过PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)层、MAC层，到达物理层PHY，从而该RRC消息中的比特可以映射到DCI中。
如上文所述的BCCH映射到PDCCH所承载的用于调度DL-SCH的DCI，DCI的格式也可以有多种形式。
在一个实施例中，该DCI可以是由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的格式1_0(即DCI format 1_0 with CRC scrambled by SI-RNTI)。基于此，在一个实施例中，第一类型系统消息可以携带在该DCI的预留比特位中。
举例来说，以下信息为通过DCI format 1_0 with CRC scrambled by SI-RNTI传输：
–频域资源分配(Frequency domain resource assignment)
Figure PCTCN2021087289-appb-000002
bits，其中，
Figure PCTCN2021087289-appb-000003
是初始下行链路带宽部分(the initial DL bandwidth part)的大小
–时域资源分配(Time domain resource assignment)–Subclause 5.1.2.1 of[6,TS38.214]中定义的4比特位
[-VRB-to-PRB映射–按照Table 7.3.1.1.2-33定义的1比特位]
–调制编码方案(Modulation and coding scheme)–如Subclause 5.1.3 of[6,TS38.214],using Table 5.1.3.1-1中定义的5比特位
–冗余版本(Redundancy version)–如Table 7.3.1.1.1-2定义的2比特位
–预留比特位(Reserved bits)–[16]比特位
其中，上述预留比特位Reserved bits可以用于携带第一类型系统消息。
由此，可以在不影响原调度信息的基础上，还利用该DCI来传输第一类型系统消息，由此可以提高信息传输效率，减少信令开销。
在一个实施例中，该DCI可以是由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的指定格式(即DCI format 1_0'with CRC scrambled by SI-RNTI)，其中，指定格式format 1_0'专用于承载所述第一类型系统消息。
由此，终端在接收到该指定格式的DCI后，可以确定该DCI用于承载第一类型系统消息，保证信息传输的可靠性。
在一个实施例中，该DCI可以是由指定无线网络临时标识RNTI加扰的具有循环冗余校验CRC的指定格式(即DCI format 1_0 with CRC scrambled by SI-RNTI’)，其中，指定无线网络临时标识SI-RNTI’专用于加扰所述DCI。
以上指定DCI格式和指定无线网络临时标识SI-RNTI可以结合适用，即同时引入指定DCI格式和指定无线网络临时标识SI-RNT来承载所述第一类型系统消息。
在一个实施例中，对于由BCH或DL-SCH承载的系统消息，即携带在MIB或SIB中的系统消息，若存在更新，基站也可以向终端发送更新通知。下面结合图2进行说明。
图2是根据本公开的实施例示出的另一种系统消息更新的通知方法的示意流程图。如图2所示，所述方法还包括：
在步骤S201中，响应于确定第二类型系统消息更新，向所述终端发送所述更新通知。
其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息。
在一个实施例中，除了在确定第一类型系统消息更新时，基站在确定第二类型系统消息更新时，也可以向终端发送更新通知。
需要说明的是，由BCH或DL-SCH承载的第二类型系统消息即为相关技术中携带在MIB和SIB中的系统消息。
在一个实施例中，为了便于终端进行区分，基站还可以向所述终端发送指示信息，其中，所述指示信息用于指示所述第一类型系统消息和所述第二类型系统消息中的至少一个更新。
在一个实施例中，基站发送的指示信息可以指示第一类型系统消息更新、或指示第二类型系统消息更新、或指示第一类型与第二类型系统消息均更新。
举例来说，该指示信息可以是不同的标识，例如包括若干个比特位，当该指示信息为第一标识时(例如为“01”时)，可以指示第一类型系统消息更新；当该指示信息为第一标识时(例如为“10”时)，可以指示第二类型系统消息更新；当该指示信息为第三标识时(例如为“11”时)，可以指示第一类型与第二类型系统消息均更新。
在一个实施例中，基站发送的指示信息可以通过多种方式携带。
在一个例子中，基站可以向所述终端发送省电信号，所述省电信号中携带有所述指示信息。
举例来说，该省电信号可以是WUS，(wake up signal，唤醒信号)。在相关 技术中，终端可以通过WUS来指示终端监听寻呼paging DCI，也就是说，若终端检测到WUS，则对该WUS对应的后续paging DCI进行监听；若未检测到WUS，则无需对该WUS对应的paging DCI进行监听，从而终端可以节约能耗。
根据上述实施例中，基站在省电信号中携带指示信息，而不需要增加新的传输信号，减少了信令开销。同时，终端在接收到该指示信息后，可以根据实际需求确定是否监听后续的DCI，从而可以节约能耗。
在一个例子中，基站可以向所述终端发送paging DCI，所述paging DCI中携带有所述指示信息。
在一个例子中，该paging DCI中还携带有更新后的所述第一类型系统消息。举例来说，对于一个paging DCI，基站可以在该paging DCI中前若干个比特位携带指示信息，后若干个比特位携带更新后的第一类型系统消息。
在一个例子中，该省电信号中还携带有更新后的所述第一类型系统消息。举例来说，对于一个PDCCH格式的省电信号，基站可以在该省电信号中前若干个比特位携带指示信息，后若干个比特位携带更新后的第一类型系统消息。
根据上述实施例，终端可以连续地接收更新通知和更新后的第一类型系统消息，而不需要多次唤醒来分别接收，有利于节约能耗。
图3是根据本公开的实施例示出的一种系统消息更新的通知方法的示意流程图。本实施例所示的系统消息更新的通知方法可以适用于终端，所述终端包括但不限于手机、平板电脑、可穿戴设备、传感器、物联网设备等电子设备。所述终端可以作为用户设备与基站通信，所述基站包括但不限于4G基站、5G基站、6G基站。在一个实施例中，所述基站可以是上述任一实施例所述的系统消息更新的通知方法所适用的基站。
如图3所示，所述系统消息更新的通知方法可以包括以下步骤：
在步骤S301中，响应于接收到基站发送的更新通知，确定第一类型系统消息更新。
其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
在一个实施例中，基站在确定第一类型系统消息更新时，可以向终端发送更新 通知。基于此，终端在接收到该更新通知时，可以确定系统消息发生变更，并执行相应操作，例如，终端可以接收更新后的系统消息，以及更新本地配置等。
根据上述实施例，对于由BCH和DL-SCH以外的其他信道承载的系统消息，若系统消息更新，基站也可以及时向终端发送更新通知，从而终端可以及时获知系统消息更新，并根据实际需求接收更新后的系统消息，保证通信正常进行。
在一个实施例中，所述更新通知由基站发送的短消息short message指示。
在一个例子中，基站可以在调度SIB的DCI中携带第一类型系统消息，同时，基站为短消息新增了用于指示调度SIB的DCI更新的功能。由此，终端在接收到该短消息后，可以确定第一类型系统消息更新。
在一个例子中，基站将相关技术中仅映射到BCH和DL-SCH的BCCH，还映射到PDCCH所承载的用于调度DL-SCH的DCI。由此，相关技术中用于指示BCCH更新的短消息，也可以指示第一类型系统消息更新。
在一个实施例中，短消息message既可以指示第一类型系统消息更新，也可以指示第二类型系统消息更新。由此，基站还可以向终端发送指示信息，从而终端可以根据指示信息来区分具体是哪种类型的系统消息更新。
基于此，在一个实施例中，所述确定第一类型系统消息存在更新，包括：
接收所述基站发送的指示信息，所述指示信息用于指示所述第一类型系统消息和所述第二类型系统消息中的至少一个更新；其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息；
基于所述指示信息，确定第一类型系统消息更新。
或者，在一个例子中，终端也可以基于所述指示信息，确定第二类型系统消息更新；或者，终端也可以基于所述指示信息，确定第一类型和第二类型系统消息均更新。
举例来说，该指示信息可以包括不同的标识，终端根据与基站预先协商，或根据协议规定，确定不同标识所代表的含义，从而根据指示信息确定具体何种系统消息更新。例如：当该指示信息为第一标识时(例如为“01”时)，可以指示第一类型系统消息更新；当该指示信息为第一标识时(例如为“10”时)，可以指示第二类型系统消息更新；当该指示信息为第三标识时(例如为“11”时)，可以指示第一类型与 第二类型系统消息均更新。
在一个实施例中，基站发送的指示信息可以通过多种方式携带。
在一个例子中，基站可以向所述终端发送省电信号，所述省电信号中携带有所述指示信息。
基于此，在一个例子中，终端可以接收所述基站发送的省电信号；所述省电信号中携带有所述指示信息。
在一个例子中，基站可以向所述终端发送paging DCI，所述paging DCI中携带有所述指示信息。
基于此，在一个例子中，接收所述基站发送的paging DCI；所述paging DCI中携带有所述指示信息。
在一个例子中，接收所述基站发送的paging DCI，该paging DCI中还携带有更新后的所述第一类型系统消息。
在一个例子中，接收所述基站发送的省电信号，该省电信号中还携带有更新后的所述第一类型系统消息。
在一个实施例中，终端在确定第一类型系统消息更新后，还可以在所述其他信道上接收更新后的第一类型系统消息。由此，终端可以根据更新后的第一类型系统消息执行相应操作，例如在确定被小区禁止的情况下，可以切换到其他小区等，以保证通信正常。
与前述的系统消息更新的通知方法的实施例相对应，本公开还提供了系统消息更新的通知装置的实施例。
图4是根据本公开的实施例示出的一种系统消息更新的通知装置的示意框图。本实施例所示的系统消息更新的通知装置可以适用于基站，所述基站包括但不限于4G基站、5G基站、6G基站。所述基站可以与作为用户设备的终端进行通信，所述终端包括但不限于手机、平板电脑、可穿戴设备、传感器、物联网设备等电子设备。在一个实施例中，所述终端可以是后续任一实施例所述系统消息更新的通知装置所适用的终端。
如图4所示，所述系统消息更新的通知装置可以包括：
第一通知发送模块401，被配置为响应于确定第一类型系统消息更新，向终端 发送更新通知；其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
在一个实施例中，所述其他信道为物理下行控制信道PDCCH。
在一个实施例中，所述第一类型系统消息携带在所述PDCCH所承载的用于调度系统消息块SIB的下行控制信息DCI中。
在一个实施例中，所述通知发送模块401，具体被配置为向所述终端发送短消息short message，所述短消息用于指示所述DCI更新。
在一个实施例中，所述第一类型系统消息在逻辑信道上由广播控制信道BCCH承载；所述BCCH映射到PDCCH所承载的用于调度DL-SCH的DCI。
在一个实施例中，所述DCI的格式为由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的格式1_0；所述第一类型系统消息携带在所述DCI的预留比特位中。
在一个实施例中，所述DCI的格式为由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的指定格式；所述指定格式专用于承载所述第一类型系统消息。
在一个实施例中，所述DCI的格式为由指定无线网络临时标识RNTI加扰的具有循环冗余校验CRC的格式1_0；所述指定RNTI专用于加扰所述DCI。
在一个实施例中，所述装置还包括：
第二通知发送模块402，被配置为响应于确定第二类型系统消息更新，向所述终端发送所述更新通知；其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息。
在一个实施例中，所述装置还包括：
指示信息发送模块403，被配置为向所述终端发送指示信息，其中，所述指示信息用于指示所述第一类型系统消息和所述第二类型系统消息中的至少一个更新。
在一个实施例中，所述指示信息发送模块403具体被配置为：向所述终端发送省电信号，所述省电信号中携带有所述指示信息。
在一个实施例中，所述指示信息发送模块403具体被配置为：向所述终端发送paging DCI，所述paging DCI中携带有所述指示信息。
在一个实施例中，所述终端为特定类型终端；
或者，所述第一类型系统消息用于指示特定终端在该小区接入限制的信息。
与前述的系统消息更新的通知方法的实施例相对应，本公开还提供了系统消息更新的通知装置的实施例。
图5是根据本公开的实施例示出的另一种系统消息更新的通知装置的示意框图。本实施例所示的系统消息更新的通知装置可以适用于终端，所述终端包括但不限于手机、平板电脑、可穿戴设备、传感器、物联网设备等电子设备。所述终端可以作为用户设备与基站通信，所述基站包括但不限于4G基站、5G基站、6G基站。在一个实施例中，所述基站可以是上述任一实施例所述的系统消息更新的通知装置所适用的基站。
如图5所示，所述系统消息更新的通知装置可以包括：
第一通知接收模块501，被配置为响应于接收到基站发送的更新通知，确定第一类型系统消息更新；其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
在一个实施例中，所述更新通知由基站发送的短消息short message指示。
在一个实施例中，所述装置还包括：
消息接收模块502，被配置为在所述其他信道上接收更新后的第一类型系统消息。
在一个实施例中，所述装置还包括：指示信息接收模块503，被配置为：
接收所述基站发送的指示信息，所述指示信息用于指示所述第一类型系统消息和所述第二类型系统消息中的至少一个更新；其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息；
第一通知接收模块501，具体被配置为：基于所述指示信息，确定第一类型系统消息更新。
在一个实施例中，所述第一通知接收模块501，具体被配置为：
接收所述基站发送的省电信号；所述省电信号中携带有所述指示信息。
在一个实施例中，所述第一通知接收模块501，具体被配置为：
接收所述基站发送的paging DCI；所述paging DCI中携带有所述指示信息。
关于上述实施例中的装置，其中各个模块执行操作的具体方式已经在相关方法的实施例中进行了详细描述，此处将不做详细阐述说明。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的模块可以是或者也可以不是物理上分开的，作为模块显示的部件可以是或者也可以不是物理模块，即可以位于一个地方，或者也可以分布到多个网络模块上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
本公开的实施例还提出一种电子设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为实现上述系统消息更新的通知方法。
本公开的实施例还提出一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现上述系统消息更新的通知方法。
如图6所示，图6是根据本公开的实施例示出的一种用于系统消息更新的通知的装置600的示意框图。装置600可以被提供为一基站。参照图6，装置600包括处理组件622、无线发射/接收组件624、天线组件626、以及无线接口特有的信号处理部分，处理组件622可进一步包括一个或多个处理器。处理组件622中的其中一个处理器可以被配置为实现系统消息更新的通知方法。
图7是根据本公开的实施例示出的一种用于系统消息更新的通知的装置700的示意框图。例如，装置700可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图7，装置700可以包括以下一个或多个组件：处理组件702，存储器704，电源组件706，多媒体组件708，音频组件710，输入/输出(I/O)的接口712，传感器组件714，以及通信组件716。
处理组件702通常控制装置700的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件702可以包括一个或多个处理器720 来执行指令，以完成上述的系统消息更新的通知方法的全部或部分步骤。此外，处理组件702可以包括一个或多个模块，便于处理组件702和其他组件之间的交互。例如，处理组件702可以包括多媒体模块，以方便多媒体组件708和处理组件702之间的交互。
存储器704被配置为存储各种类型的数据以支持在装置700的操作。这些数据的示例包括用于在装置700上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件706为装置700的各种组件提供电力。电源组件706可以包括电源管理系统，一个或多个电源，及其他与为装置700生成、管理和分配电力相关联的组件。
多媒体组件708包括在所述装置700和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件708包括一个前置摄像头和/或后置摄像头。当装置700处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件710被配置为输出和/或输入音频信号。例如，音频组件710包括一个麦克风(MIC)，当装置700处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器704或经由通信组件716发送。在一些实施例中，音频组件710还包括一个扬声器，用于输出音频信号。
I/O接口712为处理组件702和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件714包括一个或多个传感器，用于为装置700提供各个方面的状态评估。例如，传感器组件714可以检测到装置700的打开/关闭状态，组件的相对定位，例如所述组件为装置700的显示器和小键盘，传感器组件714还可以检测装置700或装置700一个组件的位置改变，用户与装置700接触的存在或不存在，装置700方位或加速/减速和装置700的温度变化。传感器组件714可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件714还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件714还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件716被配置为便于装置700和其他设备之间有线或无线方式的通信。装置700可以接入基于通信标准的无线网络，如WiFi，2G或3G，4G LTE、5G NR或它们的组合。在一个示例性实施例中，通信组件716经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件716还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置700可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述系统消息更新的通知方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器704，上述指令可由装置700的处理器720执行以完成上述系统消息更新的通知方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的公开后，将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构， 并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上对本公开实施例所提供的方法和装置进行了详细介绍，本文中应用了具体个例对本公开的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本公开的方法及其核心思想；同时，对于本领域的一般技术人员，依据本公开的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本公开的限制。

Claims (24)

  1. 一种系统消息更新的通知方法，其特征在于，由基站执行，所述方法包括：
    响应于确定第一类型系统消息更新，向终端发送更新通知；
    其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
  2. 根据权利要求1所述的方法，其特征在于，所述其他信道为物理下行控制信道PDCCH。
  3. 根据权利要求2所述的方法，其特征在于，所述第一类型系统消息携带在所述PDCCH所承载的用于调度系统消息块SIB的下行控制信息DCI中。
  4. 根据权利要求3所述的方法，其特征在于，所述向终端发送更新通知，包括：
    向所述终端发送短消息short message，所述短消息用于指示所述DCI更新。
  5. 根据权利要求2所述的方法，其特征在于，所述第一类型系统消息在逻辑信道上由广播控制信道BCCH承载；所述BCCH映射到PDCCH所承载的用于调度DL-SCH的DCI。
  6. 根据权利要求5所述的方法，其特征在于，所述DCI的格式为由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的格式1_0；
    所述第一类型系统消息携带在所述DCI的预留比特位中。
  7. 根据权利要求5所述的方法，其特征在于，所述DCI的格式为由系统消息无线网络临时标识SI-RNTI加扰的具有循环冗余校验CRC的指定格式；
    所述指定格式专用于承载所述第一类型系统消息。
  8. 根据权利要求5所述的方法，其特征在于，所述DCI的格式为由指定无线网络临时标识RNTI加扰的具有循环冗余校验CRC的格式1_0；
    所述指定RNTI专用于加扰所述DCI。
  9. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    响应于确定第二类型系统消息更新，向所述终端发送所述更新通知；
    其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息。
  10. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    向所述终端发送指示信息，其中，所述指示信息用于指示所述第一类型系统消息和所述第二类型系统消息中的至少一个更新。
  11. 根据权利要求9所述的方法，其特征在于，所述向所述终端发送指示信息，包括：
    向所述终端发送省电信号，所述省电信号中携带有所述指示信息。
  12. 根据权利要求9所述的方法，其特征在于，所述向所述终端发送指示信息，包括：
    向所述终端发送paging DCI，所述paging DCI中携带有所述指示信息。
  13. 根据权利要求12所述的方法，其特征在于，
    所述paging DCI中还携带有更新后的所述第一类型系统消息。
  14. 根据权利要求1所述的方法，其特征在于，
    所述终端为特定类型终端；
    或者，
    所述第一类型系统消息用于指示特定终端在小区接入限制的信息。
  15. 一种系统消息的更新通知方法，其特征在于，由终端执行，所述方法包括：
    响应于接收到基站发送的更新通知，确定第一类型系统消息更新；
    其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
  16. 根据权利要求15所述的方法，其特征在于，所述更新通知由基站发送的短消息short message指示。
  17. 根据权利要求15所述的方法，其特征在于，所述方法还包括：
    在所述其他信道上接收更新后的第一类型系统消息。
  18. 根据权利要求15所述的方法，其特征在于，所述方法还包括：
    接收所述基站发送的指示信息，所述指示信息用于指示所述第一类型系统消息和第二类型系统消息中的至少一个更新；其中，所述第二类型系统消息为由BCH或DL-SCH承载的系统消息；
    所述确定第一类型系统消息更新，包括：
    基于所述指示信息，确定第一类型系统消息更新。
  19. 根据权利要求18所述的方法，其特征在于，所述接收所述基站发送的指示信息，包括：
    接收所述基站发送的省电信号；所述省电信号中携带有所述指示信息。
  20. 根据权利要求18所述的方法，其特征在于，所述接收所述基站发送的指示信息，包括：
    接收所述基站发送的paging DCI；所述paging DCI中携带有所述指示信息。
  21. 一种系统消息更新的通知装置，其特征在于，所述装置包括：
    第一通知发送模块，被配置为响应于确定第一类型系统消息更新，向终端发送更新通知；
    其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
  22. 一种系统消息更新的通知装置，其特征在于，所述装置包括：
    第一通知接收模块，被配置为响应于接收到基站发送的更新通知，确定第一类型系统消息更新；
    其中，所述第一类型系统消息为由广播信道BCH和下行共享信道DL-SCH以外的其他信道承载的系统消息。
  23. 一种电子设备，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为实现权利要求1至20中任一项所述的系统消息更新的通知方法。
  24. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现权利要求1至20中任一项所述的系统消息更新的通知方法中的步骤。
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