WO2018120158A1 - 传输***信息的方法和终端设备 - Google Patents

传输***信息的方法和终端设备 Download PDF

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Publication number
WO2018120158A1
WO2018120158A1 PCT/CN2016/113823 CN2016113823W WO2018120158A1 WO 2018120158 A1 WO2018120158 A1 WO 2018120158A1 CN 2016113823 W CN2016113823 W CN 2016113823W WO 2018120158 A1 WO2018120158 A1 WO 2018120158A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
message
information
base station
system information
Prior art date
Application number
PCT/CN2016/113823
Other languages
English (en)
French (fr)
Inventor
王静
蔺波
Original Assignee
华为技术有限公司
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.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP16925178.2A priority Critical patent/EP3554106A4/en
Priority to CN201680091798.2A priority patent/CN110100463A/zh
Priority to PCT/CN2016/113823 priority patent/WO2018120158A1/zh
Publication of WO2018120158A1 publication Critical patent/WO2018120158A1/zh
Priority to US16/456,360 priority patent/US20190320311A1/en

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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
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/06—Reselecting a communication resource in the serving access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • 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

Definitions

  • Embodiments of the present invention relate to the field of communications, and, more particularly, to a method and a terminal device for transmitting system information.
  • the terminal device When accessing a certain cell, the terminal device needs to receive system information broadcast by the base station of the cell, and the terminal device in the coverage of the base station can directly receive system information broadcast by the base station, and can also receive the relay terminal device in the coverage of the base station.
  • the system information, the terminal device outside the coverage of the base station can only receive the system information through the relay terminal device within the coverage of the base station.
  • the terminal device can receive system information through the relay terminal device.
  • the terminal device blindly receives the system information sent by the relay terminal device because the terminal device cannot determine when the system information needs to be received.
  • the system information received by the terminal device or the receiving device Part of the system information in the system information is not the system information that the terminal device needs at the moment, so that there is more signaling between the terminal device and the relay terminal device, and the signaling overhead is large, resulting in unnecessary resource waste. .
  • the embodiment of the invention provides a method for transmitting system information and a terminal device, which can reduce signaling interaction between terminal devices, reduce signaling overhead, and avoid resource waste.
  • the first aspect provides a method for transmitting system information, including: receiving, by a first terminal device, a first message sent by a second terminal device, where the first message is used by the first terminal device to determine whether system information needs to be received (System Information (SI), wherein the first terminal device communicates with the base station through the second terminal device; the first terminal device receives the SI according to the first message.
  • SI System Information
  • the first terminal device by receiving the first message sent by the second terminal device, may determine whether the first terminal device needs to receive the system information SI, so that the first terminal device can receive according to the first message.
  • System information SI thereby avoiding that the first terminal device blindly receives the second terminal device because the first terminal device cannot determine when it needs to receive the system information.
  • the system information sent reduces the signaling interaction between the first terminal device and the second terminal device, reduces signaling overhead, and avoids resource waste.
  • the first message includes indication information that indicates that the first terminal device receives the SI.
  • the first message includes information indicating at least one of the following events: system information change; extended access barring (EAB) parameter Change; there is a main notice of the Earthquake and Tsunami Warning System (ETWS); there is a secondary notice of ETWS; there is a Commercial Mobile Alert Service (CMAS) notification; the second terminal device is completing or completing the cell Reselection; the second terminal device performs or completes the same frequency handover; the second terminal device performs or completes the inter-frequency handover; the second terminal device performs or completes the different system handover; the system information broadcast by the base station The SIB1 in the System Information Block (SIB) changes.
  • SIB1 in the System Information Block (SIB) changes.
  • the first message is a paging message
  • the paging message is at least one of the following paging messages: a paging indicating that the system information is changed. a paging message indicating that the extended access prohibits the EAB parameter change; a paging message indicating the main notification of the earthquake tsunami warning system ETWS; a paging message indicating the secondary warning of the earthquake tsunami warning system ETWS; indicating the commercial mobile early warning service CMAS The paging message of the notification.
  • the first message includes first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the method further includes: the first terminal device checking the first identifier information in the first message and the Whether the first identifier information stored in advance by the first terminal device is consistent; if the first identifier information in the first message is inconsistent with the first identifier information pre-stored by the first terminal device, the first terminal device receives the Said SI.
  • the first terminal device may determine whether the first terminal device needs to receive the system by checking whether the first identifier information in the first message is consistent with the first identifier information pre-stored by the first terminal device. The information reduces the signaling interaction between the first terminal device and the second terminal device, reduces signaling overhead, and avoids resource waste.
  • the first terminal device is configured according to the first Eliminate Receiving the SI, the first terminal device sends a first request message to the second terminal device according to the first message, where the first request message is used to request the SI; The terminal device receives the first response message sent by the second terminal device, where the first response message includes the SI.
  • the first request message includes first indication information, where the first indication information indicates that the first terminal device supports The capability or type of system information required by the first terminal device.
  • the first terminal device sends the first request message that includes the first indication information to the second terminal, so that the second terminal device determines, according to the first indication information, the system information SI required by the first terminal device. Preventing the second terminal device from transmitting the system information SI that is not required by the first terminal device to the first terminal device, reducing signaling interaction between the first terminal device and the second terminal device, reducing signaling overhead, and avoiding resource waste .
  • the first terminal device is in the base station The first terminal device receives the SI, and the first terminal device receives the SI broadcast by the base station.
  • the first terminal device in the coverage of the base station can directly receive the system information broadcast by the base station, without forwarding the system information through the second terminal device, thereby reducing the relationship between the first terminal device and the second terminal device.
  • Signaling interaction reduces signaling overhead and avoids resource waste.
  • the method further includes: the first terminal The device sends the coverage status information to the second terminal device, where the coverage status information is used to indicate that the first terminal device is in the coverage of the base station, and the first terminal device is outside the coverage of the base station or The first terminal device is within the extended coverage of the base station.
  • a second aspect provides a method for transmitting system information, including: a second terminal device generates a first message, where the first message is used by a first terminal device to determine whether system information SI needs to be received, where the first terminal The device can communicate with the base station by using the second terminal device; the second terminal device sends the first message to the first terminal device.
  • the first message includes indication information that indicates that the first terminal device receives the SI.
  • the first message includes information indicating at least one of the following events: system information change; extended access prohibition EAB parameter change; earthquake tsunami warning System ETWS main notice; there is an earthquake tsunami warning system ETWS auxiliary notice; there is a commercial mobile early warning service CMAS notification; the second terminal device is performing or completing cell reselection; the second terminal device is performing or completing the same frequency switching; The second terminal device performs or completes the inter-frequency handover; the second terminal device performs or completes the inter-system handover; the system information block SIB1 broadcast by the base station changes.
  • the first message is a paging message
  • the paging message is at least one of the following paging messages: a paging message with a system information change ; extended access paging message prohibiting EAB parameter change; paging message notified by the earthquake tsunami early warning system ETWS; paging message of the earthquake tsunami warning system ETWS auxiliary notification; paging message notified by the commercial mobile early warning service CMAS.
  • the first message further includes first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the method further includes: the second terminal device receiving the a first request message sent by a terminal device, where the first request message is used to request the SI; the second terminal device sends a first response message to the first terminal device, where the first response message includes Said SI.
  • the first request message includes first indication information, where the first indication information indicates that the first terminal device supports The capability or type of system information required by the first terminal device.
  • the method further includes: the second terminal device receiving the The coverage status information sent by the terminal device, where the coverage status information is used to indicate that the first terminal device is within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station.
  • a terminal device comprising one or more modules for performing the method of the first aspect.
  • a terminal device comprising one or more modules for performing the method of the second aspect.
  • a terminal device including a memory, a processor, the memory is configured to store program code, and the processor is configured to invoke the program code to implement the foregoing first aspect and implementation of the first aspect The method in the way.
  • a terminal device includes a memory, a processor, where the memory is used to store program code, and the processor is configured to invoke the program code to implement the foregoing second aspect and the implementation of the second aspect. The method in the way.
  • a seventh aspect a computer readable medium for storing program code executable by the terminal device, the program code comprising for performing the first aspect and the first aspect described above Instructions for methods in various implementations.
  • a computer readable medium for storing program code executable by the terminal device, the program code comprising for performing the second aspect and the second aspect described above Instructions for methods in various implementations.
  • FIG. 1 is a schematic architectural diagram of an application scenario according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of a method of transmitting system information according to an embodiment of the present invention.
  • FIG. 3 is another schematic flowchart of a method of transmitting system information according to an embodiment of the present invention.
  • FIG. 4 is still another schematic flowchart of a method for transmitting system information according to an embodiment of the present invention.
  • FIG. 5 is still another schematic flowchart of a method for transmitting system information according to an embodiment of the present invention.
  • FIG. 6 is still another schematic flowchart of a method for transmitting system information according to an embodiment of the present invention.
  • FIG. 7 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 8 is another schematic frame diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 9 is still another schematic frame diagram of a terminal device according to an embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of an application scenario according to an embodiment of the present invention.
  • the network 100 may include a base station 102, first terminal devices 108, 110, 112, 114, 116, and 118 and second terminal devices 104, 106, wherein the base station, the first terminal device, and the second terminal device There is a wireless connection between them.
  • the second terminal devices 104 and 106, the first terminal devices 112 and 114, and the extended coverage of the base station 102 are within the coverage of the base station 102 (In Coverage, IC) (Extended Coverage,
  • the first terminal devices 110 and 116 of the EC) can directly receive the system information broadcast by the base station, the first terminal devices 112 and 114 in the coverage of the base station, the first terminal devices 110 and 116 in the extended coverage of the base station, and
  • the first terminal devices 108 and 118 of the base station 102 Out of Coverage may use the second terminal device 104 and/or 106 as a relay device to receive system information broadcast by the base station.
  • the embodiment of the present invention provides a method for transmitting system information, where the first terminal device can receive the first message sent by the second terminal device, so that the first terminal device can determine whether the first terminal device determines whether the first terminal device is The system information needs to be received, so that the first terminal device blindly receives the system information sent by the second terminal device, which can reduce signaling interaction between the first terminal device and the second terminal device, reduce signaling overhead, and avoid resource waste. .
  • the method will be described in detail below with reference to FIG.
  • FIG. 2 is a schematic flow diagram of a method 200 of transmitting system information, which may be performed by a first terminal device, for example, by a first terminal device 108 in the network 100 shown in FIG. 1, in accordance with an embodiment of the present invention. Or the first terminal device 116 performs or is executed by other first terminal devices of the network 100.
  • the method 200 as shown in FIG. 2 includes:
  • the first terminal device receives a first message sent by the second terminal device, where the first message is used by the first terminal device to determine whether system information (SI) needs to be received.
  • SI system information
  • the first terminal device determines, according to the first message, the receiving system information SI.
  • the first terminal device by receiving the first message sent by the second terminal device, may determine whether the first terminal device needs to receive the system information SI, so that the first terminal device can receive according to the first message.
  • the system information SI thereby avoiding that the first terminal device blindly receives the system information sent by the second terminal device because the first terminal device cannot determine when the system information needs to be received, thereby reducing the first terminal device and the second terminal device. Inter-signaling interaction reduces signaling overhead and avoids resource waste.
  • SI may be one or more System Information Blocks (SIBs) and/or some/all parameters of one or more SIBs.
  • SIBs System Information Blocks
  • the first terminal device may be a wearable device (WD), for example, may be a smart watch, a smart wristband or the like, and the second terminal device may be a relay terminal.
  • the device for example, may be a terminal device such as a smart phone, but the embodiment of the invention It is not limited to this.
  • a communication connection is established between the first terminal device and the second terminal device, and the communication connection may be, for example, a pairing relationship established based on Bluetooth technology, or may be based on a wireless local area network (Wireless Local Area Networks).
  • the association relationship established by the WLAN technology or may be a connection relationship established by Device to Device (D2D) in Long Term Evolution (LTE).
  • the embodiment of the present invention describes the communication connection established between the first terminal device and the second terminal device only in the pairing relationship, the association relationship, and the connection relationship, but the embodiment of the present invention is not limited thereto.
  • the first message may include indication information that indicates that the first terminal device receives the SI.
  • the first terminal device may directly determine, according to the indication information, whether the first terminal device needs to receive the system information SI at the current moment.
  • the first message may further include information indicating at least one of the following events:
  • EAB Extended Access Barring
  • the second terminal device is performing or completing cell reselection
  • the second terminal device performs or completes intra-frequency handover
  • the second terminal device performs or completes the inter-frequency handover
  • the second terminal device performs or completes a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may be at least one of the following paging messages:
  • the first terminal device when the first message includes information indicating the event or the first message includes a paging message indicating that the system information change/EAB parameter change/the ETWS master notification/the ETWS secondary notification/the CMAS notification is available
  • the system information SI may be indirectly determined by the first terminal device according to the information indicating the event or the paging message.
  • the first terminal device may further determine the current moment of the first terminal device according to the information indicating the event and the capability supported by the first terminal device. Whether to receive system information SI.
  • the first terminal device may further according to the paging message and The capability supported by the first terminal device determines indirectly whether the current time of the first terminal device needs to receive the system information SI.
  • the first message may further include first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the first terminal device When the first message includes the first identifier information, the first terminal device needs to determine whether the first identifier information in the first message is consistent with the first identifier information pre-stored by the first terminal device, and is the first in the first message. When the identifier information is inconsistent with the first identifier information stored in the first terminal device, the first terminal device may determine that the first terminal device needs to receive the system information SI at the current moment.
  • the first terminal device receives the SI according to the first message.
  • the first terminal device may directly determine, according to the first message, whether the first terminal device needs to receive the system information SI at the current moment.
  • the first message includes indication information indicating that the first terminal device receives the SI, and the first terminal device determines, according to the first message, that the current time needs to receive the system information SI, is within the coverage of the base station.
  • the first terminal device receives the system information broadcast by the base station through the transceiver of the cellular network.
  • the cellular network may be a second generation mobile telephone communication technology (2G), a third generation mobile communication technology (3G), a fourth generation mobile communication technology (3G). 4th-Generation wireless telephone technology, 4G) or 5th generation mobile communication technology (5th-Generation) Wireless telephone technology, 5G),
  • the 2G network may include Global System for Mobile Communication (GSM), General Packet Radio Service (GPRS), Enhanced Data Rate GSM Evolution (Enhanced Data Rate) For GSM Evolution, EDGE), IS-95, Code Division Multiple Access 2000 (CDMA2000), etc.
  • the 3G network may include Wideband Code Division Multiple Access (WCDMA), CDMA EV-
  • LTE, Long Term Evolution-Advanced (LTE-Advanced) may be included in the OFDM, Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), and the like.
  • the first message includes indication information indicating that the first terminal device receives the SI, and the first terminal device determines, according to the first message, that the current time needs to receive the system information SI, and is outside the coverage of the base station.
  • the first terminal device in the extended coverage area may use the second terminal device as a relay device to receive the system information SI forwarded by the second terminal device.
  • the first terminal device that is in the extended coverage of the base station can also directly receive the system information SI transmitted by the station, but the first terminal device in the range is poor due to poor signal quality in the extended coverage of the base station. It is necessary to repeatedly receive the system information sent by the base station to receive the system information sent by the base station correctly. However, the base station repeatedly sends the system information to the first terminal device repeatedly, which causes waste of resources and is not conducive to the first. The terminal device saves power, so the first terminal device in the range can use the second terminal device as the relay device to receive the system information forwarded by the second terminal device.
  • the first message includes indication information indicating that the first terminal device receives the SI, and the first terminal device determines, according to the first message, that the current time needs to receive the system information SI, is within the coverage of the base station.
  • the first terminal device outside the coverage of the base station or the extended coverage area may use the second terminal device as a relay device to receive the system information SI sent by the second terminal device.
  • the first terminal device may And determining, according to the information indicating the event or the paging message, whether the current time of the first terminal device receives the system information SI.
  • the first message includes information indicating the event or the first message is a system information change/EAB parameter change/ETWS main notification/ETWS secondary notification/CMAS notification
  • the first terminal device sends and receives the first terminal device in the coverage of the base station by using the cellular network according to the first message and/or determining, according to the capability supported by the first terminal device, that the current time needs to receive the system information SI.
  • the machine receives system information broadcast by the base station.
  • the first message includes information indicating the event or the first message is a system information change/EAB parameter change/ETWS main notification/ETWS secondary notification/CMAS notification
  • the first terminal device determines, according to the first message and/or according to the capability supported by the first terminal device, that the current time needs to receive the system information SI, is within the coverage of the base station, outside the coverage of the base station, or within the extended coverage.
  • the first terminal device can use the second terminal device as a relay device to receive the system information SI sent by the second terminal device.
  • the first terminal device determines the first identifier information in the first message and the first identifier information pre-stored by the first terminal device. In case of inconsistency, the first terminal device may indirectly determine that the first terminal device needs to receive system information at the current moment.
  • the first terminal device when the first identifier information in the first message is inconsistent with the first identifier information pre-stored by the first terminal device, if the first terminal device is in the coverage of the base station, the first terminal device Receiving system information broadcast by the base station through a transceiver of the cellular network.
  • the coverage information is within the coverage of the base station, outside the coverage of the base station, or extended coverage.
  • the first terminal device can use the second terminal device as the relay device to receive the system information SI sent by the second terminal device.
  • the first terminal device may send a first request message to the second terminal device, where the first request message is used to request System information SI.
  • the first request message may include first indication information, where the first indication information may be used to indicate a capability supported by the first terminal device or to indicate system information required by the first terminal device. Types of.
  • the first terminal device may send the coverage state information of the first terminal device to the second terminal device, where the coverage state information may be used to indicate the first terminal setting.
  • the device is in the coverage of the base station, the first terminal device is outside the coverage of the base station, or the first terminal device is in the extended coverage of the base station.
  • the first terminal device determines, according to the first message and/or the capability supported by the first terminal device, whether the system information SI needs to be received, in at least one of the following cases, the first The terminal device can determine that it does not need to receive system information SI:
  • the first message is a paging message indicating that the EAB parameter is changed, or the first message includes the event information, where the first terminal device does not support the EAB capability when the EAB parameter is changed;
  • the first message is a paging message indicating that there is an ETWS primary notification, an ETWS secondary notification, or the first message includes information indicating the event, and the event is an ETWS primary notification and an ETWS secondary notification.
  • the first terminal device does not support the ETWS capability;
  • the first message is a paging message indicating that there is a CMAS notification, or the first message includes information indicating the event, and the event is that when the CMAS notification is received, the first terminal device does not support the CMAS capability;
  • the first message includes the first identifier information, where the first identifier information in the first message is consistent with the first identifier information pre-stored by the first terminal device.
  • the case where the first terminal device determines that the system information SI is not received may be not limited to the above, and the embodiment of the present invention only describes the case where the first terminal device determines not to receive the system information SI.
  • FIG. 3 is a schematic flow chart of a method 300 of transmitting system information according to an embodiment of the present invention.
  • the first terminal device establishes a communication connection with the second terminal device.
  • a communication connection is established between the first terminal device and the second terminal device, and the communication connection may be, for example, a pairing relationship established based on Bluetooth technology, or may be an association relationship established based on WLAN technology. Or it may be a connection relationship established based on D2D technology in LTE.
  • the embodiment of the present invention describes the communication connection established between the first terminal device and the second terminal device only in the pairing relationship, the association relationship, and the connection relationship, but the embodiment of the present invention is not limited thereto.
  • the first terminal device sends coverage status information to the second terminal device.
  • the coverage status information may be used to indicate that the first terminal device is within the coverage of the base station, and the first terminal device is outside the coverage of the base station or at the first terminal device. Within the extended coverage of the base station.
  • the first terminal device is in the coverage of the base station, and the first terminal device receives the first message sent by the second terminal device.
  • the first message may include indication information that indicates that the first terminal device receives the SI.
  • the first message may further include information indicating at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may include at least one of the following paging messages:
  • the first message may further include first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the first terminal device that is within the coverage of the base station receives system information broadcast by the base station.
  • the second terminal device sends the first terminal device to the first terminal device that is in the coverage of the base station.
  • the first message may further indicate that the first terminal device receives from the base station system message.
  • the first terminal device sends the coverage status information of the first terminal to the second terminal device, so that the second terminal device determines whether the current time needs to forward the system information to the first terminal device, for example,
  • the second terminal device may not forward the system information to the first terminal device at the current moment, but notify the first terminal device to directly receive the system information from the base station by using the first message, thereby reducing
  • the signaling interaction between the first terminal device and the second terminal device reduces signaling overhead and avoids resource waste.
  • the first terminal device receives system information forwarded by the second terminal device.
  • the first terminal device may be only the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station, or may be all the first ones within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station. Terminal Equipment.
  • the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station may use the second terminal device as the relay device to send the first message to the second terminal device, or all the first terminal devices may
  • the second terminal device acts as a relay device and sends a first request message to the second terminal device.
  • the first terminal device may not receive the first message sent by the second terminal device, and when the second terminal device needs to send the system information to the first terminal device, the second terminal device may The system information is directly sent to the first terminal device, where the first terminal device may be all the first terminal devices that are within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station, or may only be in the coverage of the base station. The first terminal device outside or within the extended coverage of the base station.
  • the event that triggers the second terminal device to send system information to the first terminal device may be at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • all the first terminal devices may receive the second terminal device to send.
  • Other system information other than MIB, SIB1, SIB10, SIB11, SIB12, SIB14 or other system information required by the first terminal device other than MIB, SIB1, SIB10, SIB11, SIB12, SIB14.
  • the base station may indicate, by using a paging message, that system information other than MIB, SIB1, SIB10, SIB11, SIB12, and SIB14 in the system message has changed.
  • the base station can also change the value of the SystemInfoValueTag in the SIB1 to indicate that other system information except the MIB, SIB1, SIB10, SIB11, SIB12, and SIB14 has changed in the system message.
  • the value of the SystemInfoValueTag is used to indicate whether the system information is generated.
  • the value of the SystemInfoValueTag is 0 to 31. When the system information changes, the value of the SystemInfoValueTag is incremented by 1, so that it can be known whether the system information has changed by detecting whether the value of the SystemInfoValueTag has changed.
  • the first terminal device is an EAB capable terminal device
  • the second terminal device receives the paging message indicating the EAB parameter change
  • all the EAB capable first terminal devices receive the second terminal.
  • the SIB 14 sent by the device in case the second terminal device receives the paging message indicating the ETWS main notification and/or the secondary notification, all the ETWS capable first terminal devices receive the SIB10 and the second terminal device send the SIB10 and / or SIB11; in the case that the second terminal device receives the paging message indicating the CMAS notification, all the CMAS-capable first terminal devices receive the SIB12 transmitted by the second terminal device.
  • the second terminal device when the second terminal device receives the paging message indicating the change of the EAB parameter, the second terminal device first needs to receive the SIB1 broadcast by the base station, check the scheduling information list field (Scheduling InfoList) in the SIB1, and determine the scheduling information. If the list field has the SIB 14, when the scheduling information list field has the SIB 14, the second terminal device receives the SIB 14 according to the scheduling information, and sends the updated SIB 14 to the first terminal device.
  • the scheduling information list field Scheduling InfoList
  • the second terminal device when the second terminal device receives the paging message indicating the ETWS primary notification, the second terminal device first receives the SIB1, and detects the scheduling information list field in the SIB1, and determines the scheduling information list field. Whether the presence of the SIB 10 is indicated, and if the SIB 10 is indicated in the scheduling information list field, the second terminal device receives according to the scheduling information.
  • the SIB 10 transmits the SIB 10 to the first terminal device.
  • the second terminal device when the second terminal device receives the paging message indicating the ETWS secondary notification, the second terminal device first receives the SIB1, and detects a scheduling information list (Scheduling InfoList) field in the SIB1 to determine the scheduling. If the SIB11 is indicated in the information list field, the second terminal device receives the SIB11 according to the scheduling information, and sends the SIB11 to the first terminal device.
  • a scheduling information list Scheduling InfoList
  • the second terminal device when the second terminal device receives the paging message indicating that the CMAS notification is received, the second terminal device first receives the SIB1, and detects a scheduling information list field in the SIB1, and determines whether the SIB12 is indicated in the scheduling information list field. If the SIB12 is indicated in the scheduling information list field, the second terminal device receives the SIB12 according to the scheduling information, and sends the SIB12 to the first terminal device.
  • the first terminal device sends the target SI to the second terminal device, where the target SI is all SIs in the SI required by the second terminal device.
  • the second terminal device receives cell reselection, intra-frequency handover, inter-frequency handover, and different-system handover.
  • the second terminal device receives cell reselection, intra-frequency handover, inter-frequency handover, and different-system handover.
  • all the first terminal devices receive all system information sent by the second terminal device or receive all system information required by the second terminal sent by the second terminal device.
  • the second terminal device detects that the SIB1 is changed
  • the second terminal device receives the system information after the update of the cell broadcast
  • all the first terminal devices receive the SIB1 after the update sent by the second terminal device.
  • the parameters required by the second terminal device in the SIB1 after the update
  • the second terminal device after the second terminal device detects that the parameter required by the first terminal device in the SIB1 is changed, after the second terminal device receives the system information after the update of the cell broadcast, the second terminal device sends the system information to the first terminal.
  • the device sends the SIB1 after the update or the parameters required by the first terminal device in the SIB1 after the update.
  • the first terminal device can determine whether the MIB and SIB1 in the system information have changed by detecting the MIB or SIB1 broadcast by the base station.
  • the first terminal device may be a wearable device WD, for example, may be a smart watch, a smart wristband or the like, and the second terminal device may be a relay terminal.
  • the device may be, for example, a terminal device such as a smartphone, but the embodiment of the invention is not limited thereto.
  • the first terminal device may determine, by using the first message, whether the first terminal device needs to receive system information, and may prevent the first terminal device from blindly receiving system information, thereby reducing the first terminal device and the first terminal device.
  • the signaling interaction between the two terminal devices saves signaling overhead and avoids waste of resources.
  • FIG. 4 is a schematic flow diagram of a method 400 of transmitting system information in accordance with an embodiment of the present invention.
  • the first terminal device establishes a communication connection with the second terminal device.
  • a communication connection is established between the first terminal device and the second terminal device, and the communication connection may be, for example, a pairing relationship established based on Bluetooth technology, or may be an association relationship established based on WLAN technology. Or it may be a connection relationship established based on D2D technology in LTE.
  • the embodiment of the present invention describes the communication connection established between the first terminal device and the second terminal device only in the pairing relationship, the association relationship, and the connection relationship, but the embodiment of the present invention is not limited thereto.
  • the first terminal device receives the first message sent by the second terminal device.
  • the first terminal device that receives the first message sent by the second terminal device may be all the first terminal devices.
  • the first message includes first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag of a cell where the second terminal device is located.
  • the second terminal device sends the first message in a broadcast form.
  • the second terminal device may use the cell identifier and/or the SystemInfoValueTag as part of the content of the search message broadcasted by the second terminal device or as Part of the Master Information Block-SL message broadcast by the second terminal device.
  • the second terminal device when the second terminal device sends the first message in a broadcast form, the second terminal device may broadcast the SIB1 because the SIB1 includes the cell identifier and the SystemInfoValueTag.
  • the first terminal device determines whether the first identifier information in the first message is consistent with the first identifier information pre-stored by the first terminal device.
  • the first identifier information is determined by the first terminal device as the cell identifier and/or the SystemInfoValueTag, and the first terminal device determines the first identifier information in the first message and the first identifier that is pre-stored by the first terminal device.
  • the cell identifier or the SystemInfoValueTag or the cell identifier and the SystemInfoValueTag may be respectively compared with the corresponding information pre-stored by the first terminal device.
  • the first terminal device and the second terminal device are not in the same cell, or The first terminal device and the second terminal device enter another cell, and the first terminal device needs to receive the system information SI.
  • the first terminal device and the second terminal device are not in the same The cell, or the first terminal device and the second terminal device, enter another cell, and the first terminal device needs to receive the system information SI.
  • the SystemInfoValueTag in the first message is inconsistent with the SystemInfoValueTag pre-stored by the first terminal device, it indicates that the system information stored by the first terminal device is not the latest version, that is, the system information has changed. At this time, the first terminal device needs to receive the system information SI.
  • the first terminal device is a terminal device that is within the coverage of the base station, and the first terminal device receives system information broadcast by the base station.
  • the terminal device that is in the coverage of the base station can directly receive the system information that is broadcast by the base station. After the first terminal device receives the first identifier information that is broadcast by the second terminal device, the first terminal device that is in the coverage of the base station can pass the first terminal device.
  • the transceiver of the cellular network receives system information broadcast by the base station. For example, when the cellular network transceiver is turned off, the first terminal device opens the transceiver of the cellular network and receives system information broadcast by the base station.
  • the first terminal device sends a first request message to the second terminal device.
  • the first terminal device may be only the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station, or may be all the first ones within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station. Terminal Equipment.
  • the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station may use the second terminal device as the relay device to send the first message to the second terminal device, or all the first terminal devices may
  • the second terminal device acts as a relay device and sends a first request message to the second terminal device.
  • the first request message may include first indication information, where the first indication information is used to indicate a capability supported by the first terminal device or a type of system information required by the first terminal device.
  • the first terminal device receives the first response message sent by the second terminal device.
  • the first terminal device may also be all first terminal devices that are within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station.
  • the second terminal device may determine system information required by the first terminal device according to the first indication information in the first request message, and send a first response message to the first terminal device, where The first response message includes system information SI required by the first terminal device determined by the second terminal device according to the first indication information.
  • the second terminal device may send, by the triggering of certain events, a first response message that includes system information required by the first terminal device to the first terminal device, where the triggering the second terminal device
  • the event of sending the first response message to the first terminal device may be at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first terminal device may be a wearable device WD, for example, may be a smart watch, a smart wristband or the like
  • the second terminal device may be a relay terminal device, for example, It is a terminal device such as a smartphone, but the embodiment of the invention is not limited thereto.
  • the first terminal device receives the first identifier information broadcast by the second terminal device, and compares the first identifier information with the first identifier information stored in the first terminal device to determine the first terminal. Whether the device needs to receive system information, the first terminal device can be prevented from receiving system information blindly, thereby reducing signaling between the first terminal device and the second terminal device. Mutual, saves signaling overhead and avoids waste of resources.
  • FIG. 5 is a schematic flow chart of a method 500 of transmitting system information according to an embodiment of the present invention.
  • the first terminal device establishes a communication connection with the second terminal device.
  • a communication connection is established between the first terminal device and the second terminal device, and the communication connection may be, for example, a pairing relationship established based on Bluetooth technology, or may be an association relationship established based on WLAN technology. Or it may be a connection relationship established based on D2D technology in LTE.
  • the embodiment of the present invention describes the communication connection established between the first terminal device and the second terminal device only in the pairing relationship, the association relationship, and the connection relationship, but the embodiment of the present invention is not limited thereto.
  • the first terminal device receives the first message sent by the second terminal device.
  • the first message may include indication information that indicates that the first terminal device receives the SI.
  • the first message may further include information indicating at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may include at least one of the following paging messages:
  • the first message may further include first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the first message may further carry a reason indicating that the first terminal device receives the SI.
  • the reason for indicating that the first terminal device receives the SI may be at least one of the following reasons:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first terminal device is a terminal device that is within the coverage of the base station, and the first terminal device receives system information broadcast by the base station.
  • the first terminal device sends a first request message to the second terminal device.
  • the first terminal device may be all first terminal devices that are within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station.
  • all the first terminal devices may send a first request message to the second terminal device for requesting the second terminal device to forward the system information.
  • the first request message may include first indication information, where the first indication information is used to indicate a capability supported by the first terminal device or a type of system information required by the first terminal device.
  • the first request message may further carry a system required by the first terminal device according to the reason that the first terminal device receives the SI and/or the capability supported by the first terminal device. information.
  • the first terminal device can directly notify the second terminal device of the system information required by the first terminal device, and request the second terminal device to send corresponding system information to the first terminal device.
  • the first terminal device receives the first response message sent by the second terminal device.
  • the first terminal device may be only the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station, or may be all the first ones within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station. Terminal Equipment.
  • the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station may use the second terminal device as the relay device to send the first message to the second terminal device, or all the first terminal devices may
  • the second terminal device acts as a relay device and sends a first request message to the second terminal device.
  • the second terminal device may send the first response message to the first terminal device according to the type of system information required by the first terminal device that is carried in the first request message, where the first response message includes Corresponding system information required by the first terminal device.
  • the first terminal device supporting the ETWS capability may send the first request message to the second terminal device, where the first request message is a request.
  • the second terminal device forwards the SIB 10.
  • the second terminal device receives the first request message, the second terminal device sends a first response message including the SIB 10 to the first terminal device.
  • the first terminal device determines, according to the first message and/or the capability supported by the first terminal device, whether the system information SI needs to be received, in at least one of the following cases, the first The terminal device can determine that it does not need to receive system information SI:
  • the first message is a paging message indicating that the EAB parameter is changed, the first message includes the event information, the event is an EAB parameter change, or the first message carries an indication that the first terminal device receives the SI.
  • the reason is that when the EAB parameter is changed, the first terminal device does not support the EAB capability;
  • the first message is a paging message indicating that there is an ETWS primary notification and/or an ETWS secondary notification, the first message includes the indication of the event information, and the event is an ETWS primary notification and/or an ETWS secondary notification.
  • the first terminal device does not support the ETWS capability when the first message carries the indication that the first terminal device receives the SI because there is an ETWS main notification and/or an ETWS secondary notification;
  • the first message is a paging message indicating that there is a CMAS notification, the first message includes the event information, the event is a CMAS notification, or the first message carries a first terminal device that receives the SI.
  • the reason is that the first terminal device does not support CMAS when there is a CMAS notification. ability;
  • the first message includes the first identifier information, where the first identifier information in the first message is consistent with the first identifier information pre-stored by the first terminal device.
  • the case where the first terminal device determines that the system information SI is not received may be not limited to the above, and the embodiment of the present invention only describes the case where the first terminal device determines not to receive the system information SI.
  • the first terminal device may be a wearable device WD, for example, may be a smart watch, a smart wristband or the like
  • the second terminal device may be a relay terminal device, for example, It is a terminal device such as a smartphone, but the embodiment of the invention is not limited thereto.
  • the first terminal device may determine, by receiving the first message, whether the first terminal device needs to receive system information, and the first message may further carry a cause indicating that the first terminal device receives the SI, where The terminal device may request the second terminal device to send the corresponding system information according to the reason that the first terminal device receives the SI and/or the capability supported by the first terminal device, and may avoid the blind receiving system of the first terminal device.
  • the information or the second terminal device is prevented from blindly transmitting system information that is not needed by the first terminal device, thereby reducing signaling interaction between the first terminal device and the second terminal device, saving signaling overhead and avoiding resource waste.
  • FIG. 6 is a schematic flow chart of a method 600 of transmitting system information according to an embodiment of the present invention.
  • the first terminal device establishes a communication connection with the second terminal device.
  • the first terminal device sends the first indication information to the second terminal device.
  • the first indication information is used to indicate a capability supported by the first terminal device or a type of system information SI required by the first terminal device.
  • the first terminal device receives the first message sent by the second terminal device.
  • the first message may include indication information that indicates that the first terminal device receives the SI.
  • the first message may further include information indicating at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may further include at least one of the following paging messages:
  • the first message may further include first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the first terminal device is a terminal device that is within the coverage of the base station, and the first terminal device receives system information broadcast by the base station.
  • the first terminal device sends a first request message to the second terminal device.
  • the first request message is used to request the second terminal device to send the system information SI required by the first terminal device to the first terminal device.
  • the first terminal device receives the first response message sent by the second terminal device.
  • the first terminal device may be only the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station, or may be all the first ones within the coverage of the base station, outside the coverage of the base station, or within the extended coverage of the base station. Terminal Equipment.
  • the first terminal device that is outside the coverage of the base station or within the extended coverage of the base station may use the second terminal device as the relay device to send the first message to the second terminal device, or all the first terminal devices may
  • the second terminal device acts as a relay device and sends a first request message to the second terminal device.
  • the first response message includes system information SI required by the first terminal device determined by the second terminal device according to the first indication information sent by the first terminal device.
  • the flow of the method 600 shown in FIG. 6 is substantially similar to the flow of the method 500, with the difference being that the method
  • the first terminal device in the 600 needs to send the first indication information to the second terminal device, where the first indication information is information about the capability supported by the first terminal device or system information type information required by the first terminal device, and the like.
  • the second terminal device may determine system information required by the first terminal device according to the information supported by the first terminal device or the system information type required by the first terminal device, and prevent the second terminal device from transmitting the first terminal to the first terminal device. System information not required by the device.
  • the first terminal device may determine, by receiving the first message, whether the first terminal device needs to receive system information, and the first terminal device sends the first indication information to the second terminal device, which may enable the second The terminal device determines system information required by the first terminal device, prevents the first terminal device from blindly receiving system information, or prevents the second terminal device from blindly transmitting system information that is not needed by the first terminal device, and reduces the first terminal device and the first terminal device.
  • the signaling interaction between the two terminal devices reduces signaling overhead and avoids waste of resources.
  • FIG. 7 is a schematic block diagram of a terminal device 700 according to an embodiment of the present invention. As shown in FIG. 7, the terminal device 700 includes:
  • the receiving module 710 is configured to receive a first message sent by the second terminal device, where the first message is used by the terminal device 700 to determine whether the system information SI needs to be received, where the terminal device 700 communicates with the base station by using the second terminal device;
  • the processing module 720 is configured to receive the SI according to the first message.
  • the first message includes indication information indicating that the terminal device 700 receives the SI.
  • the first message may further include information indicating at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device performs or completes intra-frequency handover
  • the second terminal device performs or completes the inter-frequency handover
  • the second terminal device performs or completes a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may include at least one of the following paging messages:
  • the first message further includes first identifier information, where the first identifier information is a cell identifier and/or the SystemInfoValueTag.
  • the terminal device 700 further includes:
  • the processing module 720 is further configured to check whether the first identifier information in the first message is consistent with the first identifier information pre-stored by the terminal device 700.
  • the receiving module 710 is further configured to receive the SI when the first identifier information in the first message is inconsistent with the first identifier information pre-stored by the terminal device 700.
  • the terminal device 700 further includes:
  • the sending module 730 is configured to send a first request message to the second terminal device, where the first request message is used to request the SI.
  • the receiving module 710 is specifically configured to receive the first response message sent by the second terminal device, where the first response message includes the SI.
  • the first request message includes first indication information, where the first indication information indicates a capability supported by the first terminal device or a type of system information required by the first terminal device.
  • the receiving module 710 is further configured to receive the SI broadcast by the base station.
  • the sending module 730 is further configured to send the coverage status information to the second terminal device, where the coverage status information is used to indicate that the terminal device 700 is within the coverage of the base station, and the terminal device 700 is outside the coverage of the base station or The terminal device 700 is within the extended coverage of the base station.
  • terminal device 700 may correspond to the embodiment in the embodiment of the present invention.
  • the first terminal device, and the above-mentioned and other operations and/or functions of the respective modules in the terminal device 700 respectively implement corresponding processes of the respective methods in FIG. 2 to FIG. 6 , and are not described herein again for brevity.
  • FIG. 8 is a schematic structural diagram of a terminal device 800 according to an embodiment of the present invention. As shown in FIG. 8, the terminal device 800 includes:
  • the processing module 810 is configured to generate a first message, where the first message is used by the first terminal device to determine whether the system information SI needs to be received, where the first terminal device can pass the second terminal device and the base station Communication
  • the sending module 820 is configured to send the first message to the first terminal device.
  • the first message includes indication information indicating that the first terminal device receives the SI.
  • the first message further includes information indicating at least one of the following events:
  • the second terminal device is performing or completing cell reselection
  • the second terminal device is performing or completing the same frequency switching
  • the second terminal device is performing or completing the inter-frequency handover
  • the second terminal device is performing or completing a different system handover
  • the system information block SIB1 broadcast by the base station is changed.
  • the first message may also be a paging message, where the paging message may include at least one of the following paging messages:
  • the first message may further include first identifier information, where the first identifier information is a cell identifier and/or a SystemInfoValueTag.
  • the terminal device 800 further includes:
  • the receiving module 830 is configured to receive a first request message sent by the first terminal device, where the first request message is used to request the SI.
  • the sending module 820 is specifically configured to send a first response message to the first terminal device, where the first response message includes the SI.
  • the first request message includes first indication information, where the first indication information is used to indicate a capability supported by the first terminal device or a type of system information required by the first terminal device.
  • the receiving module 830 is further configured to receive the coverage status information that is sent by the first terminal device, where the coverage status information is used to indicate that the first terminal device is in the coverage of the base station. And the coverage of the base station or the extended coverage of the base station.
  • terminal device 800 may correspond to the second terminal device in the embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the terminal device 800 respectively implement FIG. 2 to FIG.
  • the corresponding processes of each method in 6 are not repeated here for brevity.
  • FIG. 9 is a schematic structural diagram of a terminal device 900 according to an embodiment of the present invention.
  • the terminal device 900 includes a memory 910 and a processor 920 that communicate with each other through an internal connection path to transfer control and/or data signals.
  • the memory 910 is configured to store program code
  • the processor 920 is configured to invoke the program code to implement the methods in the various embodiments of the present invention.
  • the processor 920 may be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP.
  • the processor may further include a hardware chip.
  • the hardware chip may be an Application-Specific Integrated Circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof.
  • ASIC Application-Specific Integrated Circuit
  • PLD Programmable Logic Device
  • An embodiment of the present invention provides a computer readable medium for storing computer program code, the computer program comprising instructions for performing the method of transmitting system information of the embodiment of the present invention described above in FIGS. 2 to 6.
  • the readable medium may be a read-only memory (ROM) or a random access memory (RAM), which is not limited in the embodiment of the present invention.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

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Abstract

本发明实施例提供一种传输***信息SI的方法和终端设备，该方法包括：第一终端设备接收第二终端设备发送的第一消息，所述第一消息用于所述第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备通过所述第二终端设备与基站通信；所述第一终端设备根据所述第一消息接收所述SI。在本发明实施例中，第一终端设备通过接收第二终端设备发送的第一消息，可以确定该第一终端设备是否需要***信息SI，避免了第一终端设备盲目的接收第二终端设备发送的***信息SI，减少第一终端设备与第二终端设备之间的信令交互，降低信令开销，避免资源浪费。

Description

传输***信息的方法和终端设备 技术领域
本发明实施例涉及通信领域，并且更具体的，涉及一种传输***信息的方法和终端设备。
背景技术
终端设备在接入某个小区时，需要接收小区的基站广播的***信息，处于基站覆盖范围内的终端设备可以直接接收基站广播的***信息，也可以接收基站覆盖范围内的中继终端设备转发的***信息，处于基站覆盖范围外的终端设备只能通过基站覆盖范围内的中继终端设备接收***信息。
在终端设备附近有可用的中继终端设备时，终端设备能够通过中继终端设备接收***信息。在终端设备通过中继终端设备接收***信息时，由于终端设备无法确定何时需要接收***信息，导致终端设备盲目的接收中继终端设备发送的***信息，然而，终端设备接收的***信息或者接收的***信息中的部分***信息并不是该终端设备当前时刻需要的***信息，这样使得该终端设备和中继终端设备之间的信令较多，信令开销较大，造成不必要的资源浪费。
发明内容
本发明实施例提供一种传输***信息的方法和终端设备，能够减少终端设备之间的信令交互，降低信令开销，避免资源浪费。
第一方面，提供一种传输***信息的方法，包括：第一终端设备接收第二终端设备发送的第一消息，所述第一消息用于所述第一终端设备确定是否需要接收***信息(System Information，SI)，其中，所述第一终端设备通过第二终端设备与基站通信；所述第一终端设备根据所述第一消息接收所述SI。
在本发明实施例中，第一终端设备通过接收第二终端设备发送的第一消息，可以确定该第一终端设备是否需要接收***信息SI，使得第一终端设备可以根据该第一消息，接收***信息SI，从而避免了因为第一终端设备无法确定何时需要接收***信息，导致第一终端设备盲目的接收第二终端设备发 送的***信息，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
结合第一方面，在第一方面的第一种实现方式中，所述第一消息包括指示所述第一终端设备接收所述SI的指示信息。
结合第一方面，在第一方面的第二种实现方式中，所述第一消息包括指示以下事件中的至少一个事件的信息：***信息改变；扩展接入禁止(Extended Access Barring，EAB)参数改变；有地震海啸预警***(Earthquake and Tsunami Warning System，ETWS)主通知；有ETWS辅通知；有商业移动预警服务(Commercial Mobile Alert Service，CMAS)通知；所述第二终端设备正在进行或完成小区重选；所述第二终端设备正在进行或完成同频切换；所述第二终端设备正在进行或完成异频切换；所述第二终端设备正在进行或完成异***切换；基站广播的***信息块(System Information Block，SIB)中的SIB1发生改变。
结合第一方面，在第一方面的第三种实现方式中，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：指示***信息改变的寻呼消息；指示扩展接入禁止EAB参数改变的寻呼消息；指示有地震海啸预警***ETWS主通知的寻呼消息；指示有地震海啸预警***ETWS辅通知的寻呼消息；指示有商业移动预警服务CMAS通知的寻呼消息。
结合第一方面，在第一方面的第四种实现方式中，所述第一消息包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
结合第一方面的第四种实现方式，在第一方面的第五种实现方式中，所述方法还包括：所述第一终端设备检查所述第一消息中的第一标识信息与所述第一终端设备预先存储的第一标识信息是否一致；若所述第一消息中的第一标识信息与所述第一终端设备预先存储的第一标识信息不一致，所述第一终端设备接收所述SI。
在本发明实施例中，第一终端设备可以通过检查第一消息中的第一标识信息与所述第一终端设备预先存储的第一标识信息是否一致，确定该第一终端设备是否需要接收***信息，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
结合第一方面，或第一方面的第一种实现方式至第五种实现方式中的任一种，在第一方面的第六种实现方式中，所述第一终端设备根据所述第一消 息接收所述SI，包括：所述第一终端设备根据所述第一消息向所述第二终端设备发送第一请求消息，所述第一请求消息用于请求所述SI；所述第一终端设备接收所述第二终端设备发送的第一响应消息，所述第一响应消息包括所述SI。
结合第一方面的第六种实现方式，在第一方面的第七种实现方式中，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
本发明实施例中，第一终端设备通过向第二终端发送包含第一指示信息的第一请求消息，可以使第二终端设备根据该第一指示信息确定第一终端设备需要的***信息SI，避免第二终端设备向第一终端设备发送第一终端设备不需要的***信息SI，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
结合第一方面，或第一方面的第一种实现方式至第五种实现方式中的任一种，在第一方面的第八种实现方式中，若所述第一终端设备处于所述基站的覆盖范围内，所述第一终端设备接收所述SI，包括：所述第一终端设备接收基站广播的所述SI。
在本发明实施例中，处于基站覆盖范围内的第一终端设备可以直接接收基站广播的***信息，而不用通过第二终端设备转发***信息，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
结合第一方面，或第一方面的第一种实现方式至第八种实现方式中的任一种，在第一方面的第九种实现方式中，所述方法还包括：所述第一终端设备向所述第二终端设备发送覆盖状态信息，所述覆盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述第一终端设备处于所述基站覆盖范围外或所述第一终端设备处于所述基站扩展覆盖范围内。
第二方面，提供一种传输***信息的方法，包括：第二终端设备生成第一消息，所述第一消息用于第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备能够通过所述第二终端设备与所述基站通信；第二终端设备向第一终端设备发送第一消息。
结合第二方面，在第二方面的第一种实现方式中，所述第一消息包括指示所述第一终端设备接收所述SI的指示信息。
结合第二方面，在第二方面的第二种实现方式中，所述第一消息包括指示以下事件中的至少一个事件的信息：***信息改变；扩展接入禁止EAB参数改变；有地震海啸预警***ETWS主通知；有地震海啸预警***ETWS辅通知；有商业移动预警服务CMAS通知；所述第二终端设备正在进行或完成小区重选；所述第二终端设备正在进行或完成同频切换；所述第二终端设备正在进行或完成异频切换；所述第二终端设备正在进行或完成异***切换；所述基站广播的***信息块SIB1发生改变。
结合第二方面，在第二方面的第三种实现方式中，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：***信息改变的寻呼消息；扩展接入禁止EAB参数改变的寻呼消息；地震海啸预警***ETWS主通知的寻呼消息；地震海啸预警***ETWS辅通知的寻呼消息；商业移动预警服务CMAS通知的寻呼消息。
结合第二方面，在第二方面的第四种实现方式中，所述第一消息还包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
结合第二方面，或第二方面的第一种实现方式至第四种实现方式，在第二方面的第五种实现方式中，所述方法还包括：所述第二终端设备接收所述第一终端设备发送的第一请求消息，所述第一请求消息用于请求所述SI；所述第二终端设备向所述第一终端设备发送第一响应消息，所述第一响应消息包括所述SI。
结合第二方面的第五种实现方式中，在第二方面的第六种实现方式中，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
结合第二方面，或第二方面的第一种实现方式至第六种实现方式，在第二方面的第七种实现方式中，所述方法还包括：所述第二终端设备接收所述第一终端设备发送的覆盖状态信息，所述覆盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述基站覆盖范围外或所述基站扩展覆盖范围内。
第三方面，提供一种终端设备，包括用于执行第一方面中的方法的一个或多个模块。
第四方面，提供一种终端设备，包括用于执行第二方面中的方法的一个或多个模块。
第五方面，提供一种终端设备，包括存储器、处理器，所述存储器用于存储程序代码，所述处理器用于调用所述程序代码以实现上述第一方面及所述第一方面的各实现方式中的方法。
第六方面，提供一种终端设备，包括存储器、处理器，所述存储器用于存储程序代码，所述处理器用于调用所述程序代码以实现上述第二方面及所述第二方面的各实现方式中的方法。
第七方面，提供一种计算机可读介质，所述计算机可读介质用于存储可被所述终端设备执行的程序代码，所述程序代码包括用于执行上述第一方面及所述第一方面的各实现方式中的方法的指令。
第八方面，提供一种计算机可读介质，所述计算机可读介质用于存储可被所述终端设备执行的程序代码，所述程序代码包括用于执行上述第二方面及所述第二方面的各实现方式中的方法的指令。
附图说明
图1是根据本发明实施例的应用场景的示意性架构图。
图2是根据本发明实施例的传输***信息的方法的示意性流程图。
图3是根据本发明实施例的传输***信息的方法的另一示意性流程图。
图4是根据本发明实施例的传输***信息的方法的又一示意性流程图。
图5是根据本发明实施例的传输***信息的方法的又一示意性流程图。
图6是根据本发明实施例的传输***信息的方法的又一示意性流程图。
图7是根据本发明实施例的终端设备的示意性框架图。
图8是根据本发明实施例的终端设备的另一示意性框架图。
图9是根据本发明实施例的终端设备的又一示意性框架图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。
图1为本发明实施例的一种应用场景的示意性架构图。如图1所示，网络100可以包括基站102、第一终端设备108、110、112、114、116和118以及第二终端设备104、106，其中，基站、第一终端设备、第二终端设备之间可以通过无线连接。
在基站102广播***信息时，处于基站102的覆盖范围内(In Coverage，IC)的第二终端设备104和106、第一终端设备112和114以及处于基站102的扩展覆盖范围内(Extended Coverage，EC)的第一终端设备110和116均可以直接接收基站广播的***信息，处于基站覆盖范围内的第一终端设备112和114、处于基站扩展覆盖范围内的第一终端设备110和116以及处于基站102覆盖范围外(Out of Coverage，OOC)的第一终端设备108和118可以将第二终端设备104和/或106作为中继设备，接收基站广播的***信息。
基于图1的应用场景，本发明实施例提出一种传输***信息的方法，通过第一终端设备接收第二终端设备发送的第一消息，可以使第一终端设备能够确定该第一终端设备是否需要接收***信息，从而避免了第一终端设备盲目的接收第二终端设备发送的***信息，能够减少第一终端设备与第二终端设备之间的信令交互，降低信令开销，避免资源浪费。下面结合图2对所述方法进行详细的描述。
图2是根据本发明实施例的传输***信息的方法200的示意性流程图，该方法200可以由第一终端设备执行，例如，可以由图1所示的网络100中的第一终端设备108或第一终端设备116执行，或者由网络100其中的其他第一终端设备执行。如图2所示的方法200包括：
210，第一终端设备接收第二终端设备发送的第一消息，所述第一消息用于第一终端设备确定是否需要接收***信息(System Information，SI)；
220，第一终端设备根据所述第一消息确定接收***信息SI。
在本发明实施例中，第一终端设备通过接收第二终端设备发送的第一消息，可以确定该第一终端设备是否需要接收***信息SI，使得第一终端设备可以根据该第一消息，接收***信息SI，从而避免了因为第一终端设备无法确定何时需要接收***信息，导致第一终端设备盲目的接收第二终端设备发送的***信息，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
应理解，上述SI可以是一个或多个***信息块(System Information Block，SIB)和/或一个或多个SIB中的一部分/全部参数。
可选的，在一些实施例中，该第一终端设备可以为可穿戴设备(Wearable Device，WD)，例如，可以是智能手表，智能手环等终端设备，第二终端设备可以是中继终端设备，例如，可以是智能手机等终端设备，但发明实施例 并不限定于此。
应理解，在本发明实施例中，第一终端设备与第二终端设备之间建立通信连接，该通信连接例如可以是基于蓝牙技术建立的配对关系，也可以是基于无线局域网(Wireless Local Area Networks，WLAN)技术建立的关联关系，或者也可以是基于长期演进技术(Long Term Evolution，LTE)中的设备到设备技术(Device to Device，D2D)建立的连接关系。
本发明实施例仅以配对关系、关联关系以及连接关系对第一终端设备与第二终端设备之间建立的通信连接进行说明，但本发明实施例不限定于此。
可选的，在一些实施例中，该第一消息可以包含指示所述第一终端设备接收SI的指示信息。
应理解，在第一消息包含指示第一终端设备接收SI的指示信息时，第一终端设备可以直接根据该指示信息，确定当前时刻第一终端设备是否需要接收***信息SI。
可选的，在一些实施例中，该第一消息还可以包括指示以下事件中的至少一个事件的信息：
***信息改变；
扩展接入禁止(Extended Access Barring，EAB)参数改变；
有地震海啸预警***(Earthquake and Tsunami Warning System，ETWS)主通知；
有ETWS辅通知；
有商业移动预警服务(Commercial Mobile Alert Service，CMAS)通知；
所述第二终端设备正在进行或完成小区重选；
所述第二终端设备正在进行或完成同频切换；
所述第二终端设备正在进行或完成异频切换；
所述第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，该第一消息还可以为寻呼消息，该寻呼消息可以为以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示有EAB参数改变的寻呼消息；
指示有ETWS主通知的寻呼消息；
指示有ETWS辅通知的寻呼消息；
指示有CMAS通知的寻呼消息。
在第一消息包括指示所述事件的信息时或第一消息包括指示***信息改变/EAB参数改变/有ETWS主通知/有ETWS辅通知/有CMAS通知的寻呼消息时，该第一终端设备可以根据指示所述事件的信息或述寻呼消息，间接的确定第一终端设备当前时刻是否接收***信息SI。
应理解，在第一消息包括指示所述事件的信息时，该第一终端设备还可以根据指示所述事件的信息和该第一终端设备所支持的能力，间接的确定第一终端设备当前时刻是否需要接收***信息SI。
应理解，在第一消息包括指示***信息改变/EAB参数改变/有ETWS主通知/有ETWS辅通知/有CMAS通知的寻呼消息时，该第一终端设备还可以根据所述寻呼消息和该第一终端设备所支持的能力间接的确定第一终端设备当前时刻是否需要接收***信息SI。
可选的，在一些实施例中，第一消息还可以包括第一标识信息，该第一标识信息为小区标识和/或SystemInfoValueTag。
在第一消息包括第一标识信息时，第一终端设备需要通过判断第一消息中的第一标识信息与第一终端设备预先存储的第一标识信息是否一致，在第一消息中的第一标识信息与第一终端设备中存储的第一标识信息不一致时，该第一终端设备可以确定当前时刻该第一终端设备需要接收***信息SI。
在220中，第一终端设备根据所述第一消息接收SI。
在第一消息包含指示第一终端设备接收SI的指示信息时，第一终端设备可以直接根据该第一消息，确定当前时刻第一终端设备是否需要接收***信息SI。
可选的，在一些实施例中，在第一消息包含指示第一终端设备接收SI的指示信息，第一终端设备根据该第一消息确定当前时刻需要接收***信息SI时，处于基站覆盖范围内的第一终端设备通过蜂窝网络的收发机，接收基站广播的***信息。
应理解，该蜂窝网络可以是第二代手机通信技术规格(2-Generation wireless telephone technology，2G)、第三代移动通信技术(3rd-Generation wireless telephone technology，3G)、***移动通信技术(4th-Generation wireless telephone technology，4G)或第五代移动通信技术(5th-Generation  wireless telephone technology，5G)，该2G网络可以包括全球移动通信***(Global System for Mobile Communication，GSM)，通用无线分组服务(General Packet Radio Service，GPRS)，增强型数据速率GSM演进技术(Enhanced Data Rate for GSM Evolution，EDGE)，IS-95，码分多址2000(Code Division Multiple Access 2000，CDMA2000)等；该3G网络可以包括宽带码分多址(Wideband Code Division Multiple Access，WCDMA)，CDMA EV-DO，时分同步码分多址(Time Division-Synchronous Code Division Multiple Access，TD-SCDMA)等，4G网络可以包括LTE，长期演进技术升级版(Long Term Evolution-Advanced，LTE-Advanced)等。
应理解，本发明实施例仅以以上网络对蜂窝网络进行举例说明，但本发明实施例并不限定于此。
可选的，在一些实施例中，在第一消息包含指示第一终端设备接收SI的指示信息，第一终端设备根据该第一消息确定当前时刻需要接收***信息SI时，处于基站覆盖范围外或扩展覆盖范围内的第一终端设备可以将第二终端设备作为中继设备，接收第二终端设备转发的***信息SI。
应理解，处于基站的扩展覆盖范围内的第一终端设备也可以直接接收接站发送的***信息SI，但是，由于基站的扩展覆盖范围内的信号质量较差，处于该范围内的第一终端设备需要反复的多次接收基站发送的***信息，才能够正确的接收到基站发送的***信息，然而，基站反复多次向第一终端设备发送***信息，造成了资源的浪费，且不利于第一终端设备节省电量，所以处于该范围内的第一终端设备可以将第二终端设备作为中继设备，接收第二终端设备转发的***信息。
可选的，在一些实施例中，在第一消息包含指示第一终端设备接收SI的指示信息，第一终端设备根据该第一消息确定当前时刻需要接收***信息SI时，处于基站覆盖范围内、基站覆盖范围外或扩展覆盖范围内的第一终端设备均可以将第二终端设备作为中继设备，接收第二终端设备发送的***信息SI。
在第一消息包括指示所述事件的信息或第一消息为指示***信息改变/EAB参数改变/有ETWS主通知/有ETWS辅通知/有CMAS通知的寻呼消息时，该第一终端设备可以根据该指示所述事件的信息或该寻呼消息，间接的确定第一终端设备当前时刻是否接收***信息SI。
可选的，在一些实施例中，在第一消息包括指示所述事件的信息或第一消息为指示***信息改变/EAB参数改变/有ETWS主通知/有ETWS辅通知/有CMAS通知的寻呼消息，第一终端设备根据该第一消息和/或根据该第一终端设备所支持的能力确定当前时刻需要接收***信息SI时，处于基站覆盖范围内的第一终端设备通过蜂窝网络的收发机，接收基站广播的***信息。
可选的，在一些实施例中，在第一消息包括指示所述事件的信息或第一消息为指示***信息改变/EAB参数改变/有ETWS主通知/有ETWS辅通知/有CMAS通知的寻呼消息，第一终端设备根据该第一消息和/或根据该第一终端设备所支持的能力确定当前时刻需要接收***信息SI时，处于基站覆盖范围内、基站覆盖范围外或扩展覆盖范围内的第一终端设备均可以将第二终端设备作为中继设备，接收第二终端设备发送的***信息SI。
在第一消息包括第一标识信息，第一标识信息为小区标识和/或SystemInfoValueTag时，当第一终端设备判断第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息不一致时，第一终端设备可以间接的确定当前时刻该第一终端设备需要接收***信息。
可选的，在一些实施例中，在第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息不一致时，若第一终端设备处于基站覆盖范围内，第一终端设备通过蜂窝网络的收发机，接收基站广播的***信息。
可选的，在一些实施例中，第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息不一致时，处于基站覆盖范围内、基站覆盖范围外或扩展覆盖范围内的第一终端设备均可以将第二终端设备作为中继设备，接收第二终端设备发送的***信息SI。
在第一终端设备将第二终端设备作为中继设备，接收第二终端设备发送的***信息时，第一终端设备可以向第二终端设备发送第一请求消息，该第一请求消息用于请求***信息SI。
可选的，在一些实施例中，该第一请求消息可以包括第一指示信息，该第一指示信息可以用于指示第一终端设备支持的能力或用于指示第一终端设备需要的***信息类型。
在第一终端设备接收***信息之前，第一终端设备可以向第二终端设备发送第一终端设备的覆盖状态信息，覆盖状态信息可以用于指示第一终端设 备处于所述基站覆盖范围内、第一终端设备处于基站覆盖范围外或第一终端设备处于基站扩展覆盖范围内。
可选的，在一些实施例中，第一终端设备根据所述第一消息和/或该第一终端设备所支持的能力确定是否需要接收***信息SI，在以下至少一种情况中，第一终端设备可以确定不需要接收***信息SI：
所述第一消息为指示EAB参数改变的寻呼消息或者所述第一消息包含指示所述事件信息，所述事件为EAB参数改变时，第一终端设备不支持EAB能力；
所述第一消息为指示有ETWS主通知、有ETWS辅通知的寻呼消息，或者所述第一消息包含指示所述事件的信息，所述事件为有ETWS主通知、有ETWS辅通知时，第一终端设备不支持ETWS能力；
所述第一消息为指示有CMAS通知的寻呼消息，或者所述第一消息包含指示所述事件的信息，所述事件为有CMAS通知时，第一终端设备不支持CMAS能力；
所述第一消息包含第一标识信息，第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息一致时。
应理解，第一终端设备确定不接收***信息SI的情况可以不限于以上几种，本发明实施例仅以此为例对第一终端设备确定不接收***信息SI的情况进行说明。
图3所示为根据本发明实施例的传输***信息的方法300的示意性流程图。
在310中，第一终端设备与第二终端设备建立通信连接。
应理解，在本发明实施例中，第一终端设备与第二终端设备之间建立通信连接，该通信连接例如可以是基于蓝牙技术建立的配对关系，也可以是基于WLAN技术建立的关联关系，或者也可以是基于LTE中的D2D技术建立的连接关系。
本发明实施例仅以配对关系、关联关系以及连接关系对第一终端设备与第二终端设备之间建立的通信连接进行说明，但本发明实施例不限定于此。
在320中，第一终端设备向第二终端设备发送覆盖状态信息。
可选的，在一些实施例中，该覆盖状态信息可以用于指示第一终端设备处于基站覆盖范围内、第一终端设备处于基站覆盖范围外或第一终端设备处 于所述基站扩展覆盖范围内。
在330中，第一终端设备处于基站覆盖范围内，第一终端设备接收第二终端设备发送的第一消息。
可选的，在一些实施例中，该第一消息可以包含指示所述第一终端设备接收SI的指示信息。
可选的，在一些实施例中，该第一消息还可以包括指示以下事件中的至少一个事件的信息：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，该第一消息还可以为寻呼消息，该寻呼消息可以包括以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示有EAB参数改变的寻呼消息；
指示有ETWS辅通知的寻呼消息；
指示有ETWS辅通知的寻呼消息；
指示有CMAS通知的寻呼消息。
可选的，在一些实施例中，第一消息还可以包括第一标识信息，该第一标识信息为小区标识和/或SystemInfoValueTag。
在340中，处于基站覆盖范围内的第一终端设备接收基站广播的***信息。
可选的，在一些实施例中，在第一终端设备向第二终端设备发送该第一终端设备的覆盖状态信息之后，第二终端设备向处于基站覆盖范围内的第一终端设备发送的第一消息，该第一消息还可以指示第一终端设备从基站接收 ***信息。
在本发明实施例中，第一终端设备通过向第二终端设备发送该第一终端的覆盖状态信息，可以使第二终端设备确定是当前时刻是否需要向第一终端设备转发***信息，例如，在第一终端设备处于基站的覆盖范围内时，当前时刻第二终端设备可以不用向第一终端设备转发***信息，而是通过第一消息通知第一终端设备直接从基站接收***信息，从而减少了第一终端设备和第二终端设备之间的信令交互，减低信令开销，避免资源浪费。
在350中，第一终端设备接收第二终端设备转发的***信息。
应理解，该第一终端设备可以仅为处于基站覆盖范围外或基站扩展覆盖内的第一终端设备，也可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
即，可以是处于基站覆盖范围外或基站扩展覆盖内的第一终端设备将第二终端设备作为中继设备，向第二终端设备发送第一消息，也可以是所有的第一终端设备都将第二终端设备作为中继设备，向第二终端设备发送第一请求消息。
在步骤350中，第一终端设备可以不接收第二终端设备发送的第一消息，第二终端设备在某些事件的触发下，需要向第一终端设备发送***信息时，第二终端设备可以直接将该***信息发送给第一终端设备，该第一终端设备可以是处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备，也可以仅为处于基站覆盖范围外或处于基站扩展覆盖范围内的第一终端设备。
可选的，在一些实施例中，触发第二终端设备向第一终端设备发送***信息的事件可以是以下事件中的至少一种：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
例如，在第二终端设备接收到指示***信息改变的寻呼消息的情况下，第二终端设备接收小区广播的更新之后的***信息之后，所有的第一终端设备都可以接收第二终端设备发送的除MIB、SIB1、SIB10、SIB11、SIB12、SIB14之外的其他***信息或者除MIB、SIB1、SIB10、SIB11、SIB12、SIB14之外的第一终端设备需要的其他***信息。
应理解，基站可以通过寻呼消息来指示***消息中除MIB、SIB1、SIB10、SIB11、SIB12、SIB14之外的其他***信息发生了改变。
基站还可以通过修改SIB1中的SystemInfoValueTag的数值来表明***消息中除MIB、SIB1、SIB10、SIB11、SIB12、SIB14之外的其他***信息发生了改变，其中，SystemInfoValueTag的数值用于指示***信息是否发生了改变，该SystemInfoValueTag的取值范围为0～31，当***信息发生改变时，该SystemInfoValueTag的数值加1，从而通过检测SystemInfoValueTag的数值是否发生变化就可以知道***信息是否发生了变化。
又例如，在第一终端设备为支持EAB能力的终端设备时，在第二终端设备接收到指示EAB参数改变的寻呼消息的情况下，所有的支持EAB能力的第一终端设备接收第二终端设备发送的SIB14；在第二终端设备接收到有指示有ETWS主通知和/或辅通知的寻呼消息的情况下，所有的支持ETWS能力的第一终端设备接收第二终端设备发送的SIB10和/或SIB11；在第二终端设备接收到指示有CMAS通知的寻呼消息的情况下，所有的支持CMAS能力的第一终端设备接收第二终端设备发送的SIB12。
应理解，在第二终端设备收到指示EAB参数改变的寻呼消息时，该第二终端设备首先需要接收基站广播的SIB1，检查SIB1中的调度信息列表字段(Scheduling InfoList)，确定该调度信息列表字段是否有SIB14，在该调度信息列表字段有SIB14时，该第二终端设备根据调度信息，接收该SIB14，并将该更新之后的SIB14发送给第一终端设备。
应理解，在第二终端设备接收到指示有ETWS主通知(Primary Notification)的寻呼消息时，第二终端设备首先接收SIB1，并检测SIB1中的调度信息列表字段，确定该调度信息列表字段中是否指示存在SIB10，若该调度信息列表字段中指示存在SIB10，则第二终端设备根据调度信息接收 SIB10，并将该SIB10发送给第一终端设备。
同样的，在第二终端设备接收到指示有ETWS辅通知(Secondary Notification)的寻呼消息时，第二终端设备首先接收SIB1，并检测SIB1中的调度信息列表(Scheduling InfoList)字段，确定该调度信息列表字段中是否指示存在SIB11，若该调度信息列表字段指示存在SIB11，则第二终端设备根据调度信息接收SIB11，并将该SIB11发送给第一终端设备。
同样的，在第二终端设备接收到指示有CMAS通知的寻呼消息时，第二终端设备首先接收SIB1，并检测SIB1中的调度信息列表字段，确定该调度信息列表字段中是否指示存在SIB12，若该调度信息列表字段中指示存在SIB12，则第二终端设备根据调度信息接收SIB12，并将该SIB12发送给第一终端设备。
又例如，第一终端设备和第二终端设备建立通信连接之后，所述第一终端设备向所述第二终端设备发送目标SI，该目标SI为第二终端设备需要的SI中的全部SI。
还例如，在第二终端设备进行小区重选、同频切换、异频切换、异***切换的情况下，该第二终端设备接收小区重选、同频切换、异频切换、异***切换之后的目标小区的***信息SI之后，所有的第一终端设备接收第二终端设备发送的全部***信息或者接收第二终端设备发送的第一终端需要的全部***信息。
还例如，在第二终端设备检测到SIB1发生改变的情况下，该第二终端设备接收小区广播的更新之后的***信息之后，所有的第一终端设备接收第二终端设备发送的更新之后的SIB1或者更新之后的SIB1中第二终端设备需要的参数；
或者，在第二终端设备检测到SIB1中第一终端设备需要的参数发生改变的情况下，该第二终端设备接收小区广播的更新之后的***信息之后，第二终端设备向所述第一终端设备发送更新之后的SIB1或者更新之后的SIB1中第一终端设备需要的参数。
应理解，第一终端设备可以通过检测基站广播的MIB或SIB1来确定***信息中的MIB和SIB1是否发生了变化。
可选的，在一些实施例中，该第一终端设备可以为可穿戴设备WD，例如，可以是智能手表，智能手环等终端设备，第二终端设备可以是中继终端 设备，例如，可以是智能手机等终端设备，但发明实施例并不限定于此。
在本发明实施例中，第一终端设备通过第一消息，可以确定该第一终端设备是否需要接收***信息，可以避免第一终端设备盲目的接收***信息，从而减少了第一终端设备与第二终端设备之间的信令交互，节省了信令开销，避免了资源浪费。
图4所示为根据本发明实施例的传输***信息的方法400的示意性流程图。
在410中，第一终端设备与第二终端设备建立通信连接。
应理解，在本发明实施例中，第一终端设备与第二终端设备之间建立通信连接，该通信连接例如可以是基于蓝牙技术建立的配对关系，也可以是基于WLAN技术建立的关联关系，或者也可以是基于LTE中的D2D技术建立的连接关系。
本发明实施例仅以配对关系、关联关系以及连接关系对第一终端设备与第二终端设备之间建立的通信连接进行说明，但本发明实施例不限定于此。
在420中，第一终端设备接收第二终端设备发送的第一消息。
应理解，该接收第二终端设备发送的第一消息的第一终端设备可以为所有的第一终端设备。
可选的，在一些实施例中，该第一消息包括第一标识信息，该第一标识信息为第二终端设备所在小区的小区标识和/或SystemInfoValueTag。
可选的，在一些实施例中，第二终端设备以广播的形式发送该第一消息。例如，在第一终端设备与第二终端设备之间采用D2D连接时，第二终端设备可以将小区标识和/或SystemInfoValueTag作为该第二终端设备广播的搜索信息(discovery message)的部分内容或作为第二终端设备广播的Master Information Block-SL message的部分内容。
可选的，在一些实施例中，第二终端设备以广播形式发送第一消息时，该第二终端设备可以广播SIB1，因为SIB1中包含小区标识和SystemInfoValueTag。
在430中，第一终端设备判断第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息是否一致。
由于第一标识信息为小区标识和/或SystemInfoValueTag，在第一终端设备判断第一消息中的第一标识信息和第一终端设备备预先存储的第一标识 信息是否一致时，可以分别将小区标识或者SystemInfoValueTag或者小区标识和SystemInfoValueTag与第一终端设备预先存储的相应信息分别进行比较。
可选的，在一些实施例中，若第一消息中的小区标识和第一终端设备预先存储的小区标识不一致时，表明的第一终端设备与第二终端设备当前时刻不在同一个小区，或者第一终端设备和第二终端设备进入了另一个小区，此时第一终端设备需要接收***信息SI。
可选的，在一些实施例中，若第一消息中的小区标识和SystemInfoValueTag与第一终端设备预先存储的小区标识和SystemInfoValueTag均不一致时，表明的第一终端设备与第二终端设备不在同一个小区，或者第一终端设备和第二终端设备进入了另一个小区，此时第一终端设备需要接收***信息SI。
可选的，在一些实施例中，若第一消息中的SystemInfoValueTag和第一终端设备预先存储的SystemInfoValueTag不一致时，表明第一终端设备存储的***信息不是最新版本，即***信息已经发生了变化，此时第一终端设备需要接收***信息SI。
在440中，第一终端设备为处于基站覆盖范围内的终端设备，该第一终端设备接收基站广播的***信息。
由于处于基站覆盖范围内的终端设备可以直接接收基站广播的***信息，所以在第一终端设备接收到第二终端设备广播的第一标识信息之后，处于基站覆盖范围内的第一终端设备可以通过蜂窝网络的收发机，接收基站广播的***信息，例如，在蜂窝网络收发机关闭的情况下，该第一终端设备打开蜂窝网络的收发机，接收基站广播的***信息。
在450中，第一终端设备向第二终端设备发送第一请求消息。
应理解，该第一终端设备可以仅为处于基站覆盖范围外或基站扩展覆盖内的第一终端设备，也可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
即，可以是处于基站覆盖范围外或基站扩展覆盖内的第一终端设备将第二终端设备作为中继设备，向第二终端设备发送第一消息，也可以是所有的第一终端设备都将第二终端设备作为中继设备，向第二终端设备发送第一请求消息。
可选的，在一些实施例中，该第一请求消息可以包括第一指示信息，该第一指示信息用于指示第一终端设备支持的能力或者第一终端设备需要的***信息类型。
在460中，第一终端设备接收第二终端设备发送的第一响应消息。
应理解，该第一终端设备也可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
可选的，在一些实施例中，第二终端设备可以根据第一请求消息中的第一指示信息，确定第一终端设备需要的***信息，并向第一终端设备发送第一响应消息，该第一响应消息中包含第二终端设备根据第一指示信息确定的第一终端设备需要的***信息SI。
可选的，在一些实施例中，第二终端设备可以在某些事件的触发下，向第一终端设备发送包含第一终端设备需要的***信息的第一响应消息，该触发第二终端设备向第一终端设备发送第一响应消息的事件可以是以下事件中的至少一种：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
所述第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，该第一终端设备可以为可穿戴设备WD，例如，可以是智能手表，智能手环等终端设备，第二终端设备可以是中继终端设备，例如，可以是智能手机等终端设备，但发明实施例并不限定于此。
在本发明实施例中，第一终端设备通过接收第二终端设备广播的第一标识信息，并将该第一标识信息与第一终端设备中存储的第一标识信息进行比较，确定第一终端设备是否需要接收***信息，可以避免第一终端设备盲目的接收***信息，从而减少了第一终端设备与第二终端设备之间的信令交 互，节省了信令开销，避免了资源浪费。
图5所示为根据本发明实施例的传输***信息的方法500的示意性流程图。
在510中，第一终端设备与第二终端设备建立通信连接。
应理解，在本发明实施例中，第一终端设备与第二终端设备之间建立通信连接，该通信连接例如可以是基于蓝牙技术建立的配对关系，也可以是基于WLAN技术建立的关联关系，或者也可以是基于LTE中的D2D技术建立的连接关系。
本发明实施例仅以配对关系、关联关系以及连接关系对第一终端设备与第二终端设备之间建立的通信连接进行说明，但本发明实施例不限定于此。
在520中，第一终端设备接收第二终端设备发送的第一消息。
可选的，在一些实施例中，该第一消息可以包含指示所述第一终端设备接收SI的指示信息。
可选的，在一些实施例中，该第一消息还可以包括指示以下事件中的至少一个事件的信息：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，该第一消息还可以为寻呼消息，该寻呼消息可以包括以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示有EAB参数改变的寻呼消息；
指示有ETWS主通知的寻呼消息；
指示有ETWS辅通知的寻呼消息；
指示有CMAS通知的寻呼消息。
可选的，在一些实施例中，第一消息还可以包括第一标识信息，该第一标识信息为小区标识和/或SystemInfoValueTag。
可选的，在一些实施例中，在第一消息还可以携带指示第一终端设备接收SI的原因。
该指示第一终端设备接收SI的原因可以是以下原因中的至少一种：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
在530中，第一终端设备为处于基站覆盖范围内的终端设备，该第一终端设备接收基站广播的***信息。
在540中，第一终端设备向第二终端设备发送第一请求消息。
应理解，该第一终端设备可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
即，所有的第一终端设备都可以向第二终端设备发送第一请求消息，用于请求第二终端设备转发***信息。
可选的，在一些实施例中，该第一请求消息可以包括第一指示信息，该第一指示信息用于指示第一终端设备支持的能力或者第一终端设备需要的***信息类型。
可选的，在一些实施例中，第一请求消息还可以携带第一终端设备根据指示第一终端设备接收SI的原因和/或第一终端设备支持的能力确定的第一终端设备需要的***信息。
即，第一终端设备可以直接通知第二终端设备该第一终端设备需要的***信息，并请求第二终端设备向该第一终端设备发送相应的***信息。
在550中，第一终端设备接收第二终端设备发送的第一响应消息。
应理解，该第一终端设备可以仅为处于基站覆盖范围外或基站扩展覆盖内的第一终端设备，也可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
即，可以是处于基站覆盖范围外或基站扩展覆盖内的第一终端设备将第二终端设备作为中继设备，向第二终端设备发送第一消息，也可以是所有的第一终端设备都将第二终端设备作为中继设备，向第二终端设备发送第一请求消息。
可选的，在一些实施例中，第二终端设备可以根据第一请求消息中携带的第一终端设备需要的***信息类型，向第一终端设备发送第一响应消息，该第一响应消息包含相应的第一终端设备需要的***信息。
例如，在指示第一终端设备接收SI的原因为有ETWS主通知的寻呼消息时，支持ETWS能力的第一终端设备可以向第二终端设备发送第一请求消息，该第一请求消息为请求第二终端设备转发SIB10，在第二终端设备接收到该第一请求消息时，第二终端设备向第一终端设备发送包含SIB10的第一响应消息。
可选的，在一些实施例中，第一终端设备根据所述第一消息和/或该第一终端设备所支持的能力确定是否需要接收***信息SI，在以下至少一种情况中，第一终端设备可以确定不需要接收***信息SI：
所述第一消息为指示EAB参数改变的寻呼消息、所述第一消息包含指示所述事件信息，所述事件为EAB参数改变，或者所述第一消息携带指示第一终端设备接收SI的原因为EAB参数改变时，第一终端设备不支持EAB能力；
所述第一消息为指示有ETWS主通知和/或有ETWS辅通知的寻呼消息、所述第一消息包含指示所述事件信息，所述事件为有ETWS主通知和/或有ETWS辅通知，或者所述第一消息中携带指示第一终端设备接收SI的原因为有ETWS主通知和/或有ETWS辅通知时，第一终端设备不支持ETWS能力；
所述第一消息为指示有CMAS通知的寻呼消息、所述第一消息包含指示所述事件信息，所述事件为有CMAS通知，或者所述第一消息携带指示第一终端设备接收SI的原因为有CMAS通知时，第一终端设备不支持CMAS 能力；
所述第一消息包含第一标识信息，第一消息中的第一标识信息和第一终端设备预先存储的第一标识信息一致时。
应理解，第一终端设备确定不接收***信息SI的情况可以不限于以上几种，本发明实施例仅以此为例对第一终端设备确定不接收***信息SI的情况进行说明。
可选的，在一些实施例中，该第一终端设备可以为可穿戴设备WD，例如，可以是智能手表，智能手环等终端设备，第二终端设备可以是中继终端设备，例如，可以是智能手机等终端设备，但发明实施例并不限定于此。
在本发明实施例中，第一终端设备通过接收第一消息，可以确定该第一终端设备是否需要接收***信息，该第一消息中还可以携带指示第一终端设备接收SI的原因，第一终端设备可以根据该指示第一终端设备接收SI的原因和/或第一终端设备支持的能力向第二终端设备请求第二终端设备发送相应的***信息，可以避免第一终端设备盲目的接收***信息或避免第二终端设备盲目的发送第一终端设备不需要的***信息，从而减少了第一终端设备与第二终端设备之间的信令交互，节省了信令开销，避免了资源浪费。
图6所示为根据本发明实施例的传输***信息的方法600的示意性流程图。
在610中，第一终端设备与第二终端设备建立通信连接。
在620中，第一终端设备向第二终端设备发送第一指示信息。
可选的，在一些实施例中，该第一指示信息用于指示第一终端设备支持的能力或第一终端设备需要的***信息SI的类型。
在630中，第一终端设备接收第二终端设备发送的第一消息。
可选的，在一些实施例中，该第一消息可以包含指示所述第一终端设备接收SI的指示信息。
可选的，在一些实施例中，该第一消息还可以包括指示以下事件中的至少一个事件的信息：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，该第一消息还可以为寻呼消息，该寻呼消息还可以包括以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示有EAB参数改变的寻呼消息；
指示有ETWS主通知的寻呼消息；
指示有ETWS辅通知的寻呼消息；
指示有CMAS通知的寻呼消息。
可选的，在一些实施例中，第一消息还可以包括第一标识信息，该第一标识信息为小区标识和/或SystemInfoValueTag。
在640中，第一终端设备为处于基站覆盖范围内的终端设备，该第一终端设备接收基站广播的***信息。
在650中，第一终端设备向第二终端设备发送第一请求消息。
可选的，该第一请求消息用于请求第二终端设备向第一终端设备发送第一终端设备需要的***信息SI。
在660中，第一终端设备接收第二终端设备发送的第一响应消息。
应理解，该第一终端设备可以仅为处于基站覆盖范围外或基站扩展覆盖内的第一终端设备，也可以为处于基站覆盖范围内、基站覆盖范围外或基站扩展覆盖内的所有的第一终端设备。
即，可以是处于基站覆盖范围外或基站扩展覆盖内的第一终端设备将第二终端设备作为中继设备，向第二终端设备发送第一消息，也可以是所有的第一终端设备都将第二终端设备作为中继设备，向第二终端设备发送第一请求消息。
可选的，在一些实施例中，第一响应消息包含第二终端设备根据第一终端设备发送的第一指示信息确定的该第一终端设备需要的***信息SI。
图6所示的方法600的流程与方法500的流程大致类似，区别在于方法 600中的第一终端设备需要向第二终端设备发送第一指示信息，该第一指示信息为该第一终端设备支持的能力的信息或第一终端设备需要的***信息类型信息等信息，该第二终端设备可以根据第一终端设备支持的能力或第一终端设备需要的***信息类型等信息确定第一终端设备需要的***信息，避免第二终端设备向第一终端设备发送该第一终端设备不需要的***信息。
在本发明实施例中，第一终端设备通过接收第一消息，可以确定该第一终端设备是否需要接收***信息，该第一终端设备向第二终端设备发送第一指示信息，可以使第二终端设备确定第一终端设备需要的***信息，避免了第一终端设备盲目的接收***信息或避免第二终端设备盲目的发送第一终端设备不需要的***信息，减少了第一终端设备与第二终端设备之间的信令交互，降低了信令开销，避免了资源浪费。
上文结合图2至图6，详细的描述了本发明实施例的方法实施例，下文将结合图7至图9，详细描述本发明实施例的终端设备的实施例，应理解，终端设备实施例与方法实施例相互对应，类似的描述可以参照方法实施例。
图7是根据本发明实施例的终端设备700的示意性框图。如图7所示，该终端设备700包括：
接收模块710，用于接收第二终端设备发送的第一消息，第一消息用于终端设备700确定是否需要接收***信息SI，其中，终端设备700通过第二终端设备与基站通信；
处理模块720，用于根据第一消息接收所述SI。
可选的，在一些实施例中，第一消息包括指示终端设备700接收所述SI的指示信息。
可选的，在一些实施例中，第一消息还可以包括指示以下事件中的至少一个事件的信息：
***信息改变；
扩展接入禁止EAB参数改变；
有地震海啸预警***ETWS主通知；
有地震海啸预警***ETWS辅通知；
有商业移动预警服务CMAS通知；
所述第二终端设备正在进行或完成小区重选；
所述第二终端设备正在进行或完成同频切换；
所述第二终端设备正在进行或完成异频切换；
所述第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，第一消息还可以为寻呼消息，该寻呼消息可以包括以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示扩展接入禁止EAB参数改变的寻呼消息；
指示有地震海啸预警***ETWS主通知的寻呼消息；
指示有地震海啸预警***ETWS辅通知的寻呼消息；
指示有商业移动预警服务CMAS通知的寻呼消息。
可选的，在一些实施例中，第一消息还包括第一标识信息，所述第一标识信息为小区标识和/或所述SystemInfoValueTag。
可选的，在一些实施例中，终端设备700还包括：
处理模块720还用于检查第一消息中的第一标识信息与终端设备700预先存储的第一标识信息是否一致。
可选的，在一些实施例中，接收模块710还用于在第一消息中的第一标识信息与终端设备700预先存储的第一标识信息不一致时，接收所述SI。
可选的，在一些实施例中，终端设备700还包括：
发送模块730，用于向所述第二终端设备发送第一请求消息，所述第一请求消息用于请求所述SI。
可选的，在一些实施例中，接收模块710具体用于接收所述第二终端设备发送的第一响应消息，所述第一响应消息包括所述SI。
可选的，在一些实施例中，第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
可选的，在一些实施例中，若终端设备700处于所述基站的覆盖范围内，所述接收模块710还用于接收基站广播的所述SI。
可选的，在一些实施例中，发送模块730还用于向第二终端设备发送覆盖状态信息，覆盖状态信息用于指示终端设备700处于基站覆盖范围内、终端设备700处于基站覆盖范围外或终端设备700处于基站扩展覆盖范围内。
应理解，根据本发明实施例的终端设备700可对应于本发明实施例中的 第一终端设备，并且该终端设备700中的各个模块的上述和其他操作和/或功能分别实现图2至图6中的各个方法的相应流程，为了简洁，在此不再赘述。
图8是根据本发明实施例的终端设备800的示意性结构图。如图8所示，该终端设备800包括：
处理模块810，用于生成第一消息，所述第一消息用于第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备能够通过所述第二终端设备与所述基站通信；
发送模块820，用于向第一终端设备发送第一消息。
可选的，在一些实施例中，第一消息包括指示第一终端设备接收SI的指示信息。
可选的，在一些实施例中，第一消息还包括指示以下事件中的至少一个事件的信息：
***信息改变；
EAB参数改变；
有ETWS主通知；
有ETWS辅通知；
有CMAS通知；
第二终端设备正在进行或完成小区重选；
第二终端设备正在进行或完成同频切换；
第二终端设备正在进行或完成异频切换；
第二终端设备正在进行或完成异***切换；
所述基站广播的***信息块SIB1发生改变。
可选的，在一些实施例中，第一消息还可以为寻呼消息，该寻呼消息可以包括以下寻呼消息中的至少一种：
指示***信息改变的寻呼消息；
指示扩展接入禁止EAB参数改变的寻呼消息；
指示有地震海啸预警***ETWS主通知的寻呼消息；
指示有地震海啸预警***ETWS辅通知的寻呼消息；
指示有商业移动预警服务CMAS通知的寻呼消息。
可选的，在一些实施例中，第一消息还可以包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
可选的，在一些实施例中，终端设备800还包括：
接收模块830，用于接收所述第一终端设备发送的第一请求消息，所述第一请求消息用于请求所述SI。
可选的，在一些实施例中，发送模块820具体用于向所述第一终端设备发送第一响应消息，所述第一响应消息包括所述SI。
可选的，在一些实施例中，第一请求消息包含第一指示信息，第一指示信息用于指示第一终端设备支持的能力或第一终端设备需要的***信息类型。
可选的，在一些实施例中，接收模块830还用于接收所述第一终端设备发送的覆盖状态信息，所述覆盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述基站覆盖范围外或所述基站扩展覆盖范围内。
应理解，根据本发明实施例的终端设备800可对应于本发明实施例中的第二终端设备，并且该终端设备800中的各个模块的上述和其他操作和/或功能分别实现图2至图6中的各个方法的相应流程，为了简洁，在此不再赘述。
图9是根据本发明实施例的终端设备900的示意性结构图。如图9所示，所述终端设备900包括存储器910和处理器920，所述存储器910和处理器920之间通过内部连接通路互相通信，传递控制和/或数据信号。
所述存储器910用于存储程序代码；
所述处理器920用于调用所述程序代码以实现本发明上述各实施例中的方法。
在本发明实施例中，处理器920可以是中央处理器(Central Processing Unit，CPU)，网络处理器(Network Processor，NP)或者CPU和NP的组合。处理器还可以进一步包括硬件芯片。上述硬件芯片可以是专用集成电路(Application-Specific Integrated Circuit，ASIC)，可编程逻辑器件(Programmable Logic Device，PLD)或其组合。本发明实施例提供了一种计算机可读介质，用于存储计算机程序代码，该计算机程序包括用于执行上述图2至图6中本发明实施例的传输***信息的方法的指令。该可读介质可以是只读存储器(Read-Only Memory，ROM)或随机存取存储器(Random Access Memory，RAM)，本发明实施例对此不做限制。
应理解，本文中术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在 A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (36)

  1. 一种传输***信息的方法，其特征在于，所述方法包括：
    第一终端设备接收第二终端设备发送的第一消息，所述第一消息用于所述第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备能够通过第二终端设备与基站通信；
    所述第一终端设备根据所述第一消息接收所述SI。
  2. 根据权利要求1所述的方法，其特征在于，所述第一消息包括指示所述第一终端设备接收所述SI的指示信息。
  3. 根据权利要求1所述的方法，其特征在于，所述第一消息包括指示以下事件中的至少一个事件的信息：
    ***信息改变；
    扩展接入禁止EAB参数改变；
    有地震海啸预警***ETWS主通知；
    有地震海啸预警***ETWS辅通知；
    有商业移动预警服务CMAS通知；
    所述第二终端设备正在进行或完成小区重选；
    所述第二终端设备正在进行或完成同频切换；
    所述第二终端设备正在进行或完成异频切换；
    所述第二终端设备正在进行或完成异***切换；
    所述基站广播的***信息块SIB1发生改变。
  4. 根据权利要求1所述的方法，其特征在于，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：
    指示***信息改变的寻呼消息；
    指示扩展接入禁止EAB参数改变的寻呼消息；
    指示有地震海啸预警***ETWS主通知的寻呼消息；
    指示有地震海啸预警***ETWS辅通知的寻呼消息；
    指示有商业移动预警服务CMAS通知的寻呼消息。
  5. 根据权利要求1所述的方法，其特征在于，所述第一消息包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
  6. 根据权利要求5所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备检查所述第一消息中的第一标识信息与所述第一终 端设备预先存储的第一标识信息是否一致；
    若所述第一消息中的第一标识信息与所述第一终端设备预先存储的第一标识信息不一致，所述第一终端设备接收所述SI。
  7. 根据权利要求1-6中任一项所述的方法，其特征在于，所述第一终端设备根据所述第一消息接收所述SI，包括：
    所述第一终端设备根据所述第一消息，向所述第二终端设备发送第一请求消息，所述第一请求消息用于请求所述SI；
    所述第一终端设备接收所述第二终端设备发送的第一响应消息，所述第一响应消息包括所述SI。
  8. 根据权利要求7述的方法，其特征在于，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
  9. 根据权利要求1-6中任一项所述的方法，其特征在于，若所述第一终端设备处于所述基站的覆盖范围内，
    所述第一终端设备根据所述第一消息接收所述SI，包括：
    所述第一终端设备根据所述第一消息，接收所述基站广播的所述SI。
  10. 根据权利要求1至9中任一项所述的方法，其特征在于，所述方法还包括：
    所述第一终端设备向所述第二终端设备发送覆盖状态信息，所述覆盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述第一终端设备处于所述基站覆盖范围外或所述第一终端设备处于所述基站扩展覆盖范围内。
  11. 一种传输***信息的方法，其特征在于，所述方法包括：
    第二终端设备生成第一消息，所述第一消息用于第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备能够通过所述第二终端设备与所述基站通信；
    第二终端设备向第一终端设备发送第一消息。
  12. 根据权利要求11所述的方法，其特征在于，所述第一消息包括指示所述第一终端设备接收所述SI的指示信息。
  13. 根据权利要求11所述的方法，其特征在于，所述第一消息包括指示以下事件中的至少一个事件的信息：
    ***信息改变；
    扩展接入禁止EAB参数改变；
    有地震海啸预警***ETWS主通知；
    有地震海啸预警***ETWS辅通知；
    有商业移动预警服务CMAS通知；
    所述第二终端设备正在进行或完成小区重选；
    所述第二终端设备正在进行或完成同频切换；
    所述第二终端设备正在进行或完成异频切换；
    所述第二终端设备正在进行或完成异***切换；
    所述基站广播的***信息块SIB1发生改变。
  14. 根据权利要求11所述的方法，其特征在于，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：
    指示***信息改变的寻呼消息；
    指示扩展接入禁止EAB参数改变的寻呼消息；
    指示有地震海啸预警***ETWS主通知的寻呼消息；
    指示有地震海啸预警***ETWS辅通知的寻呼消息；
    指示有商业移动预警服务CMAS通知的寻呼消息。
  15. 根据权利要求11所述的方法，其特征在于，所述第一消息还包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
  16. 根据权利要求11-15中任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备接收所述第一终端设备发送的第一请求消息，所述第一请求消息用于请求所述SI；
    所述第二终端设备向所述第一终端设备发送第一响应消息，所述第一响应消息包括所述SI。
  17. 根据权利要求16所述的方法，其特征在于，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
  18. 根据权利要求11至17中的任一项所述的方法，其特征在于，所述方法还包括：
    所述第二终端设备接收所述第一终端设备发送的覆盖状态信息，所述覆 盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述基站覆盖范围外或所述基站扩展覆盖范围内。
  19. 一种终端设备，其特征在于，所述终端设备，包括：
    接收模块，用于接收第二终端设备发送的第一消息，所述第一消息用于所述终端设备确定是否需要接收***信息SI，其中，所述终端设备通过所述第二终端设备与基站通信；
    处理模块，用于根据所述第一消息接收所述SI。
  20. 根据权利要求19所述的终端设备，其特征在于，所述第一消息包括指示所述终端设备接收所述SI的指示信息。
  21. 根据权利要求19所述的终端设备，其特征在于，所述第一消息包括指示以下事件中的至少一个事件的信息：
    ***信息改变；
    扩展接入禁止EAB参数改变；
    有地震海啸预警***ETWS主通知；
    有地震海啸预警***ETWS辅通知；
    有商业移动预警服务CMAS通知；
    所述第二终端设备正在进行或完成小区重选；
    所述第二终端设备正在进行或完成同频切换；
    所述第二终端设备正在进行或完成异频切换；
    所述第二终端设备正在进行或完成异***切换；
    所述基站广播的***信息块SIB1发生改变。
  22. 根据权利要求19所述的终端设备，其特征在于，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：
    指示***信息改变的寻呼消息；
    指示扩展接入禁止EAB参数改变的寻呼消息；
    指示有地震海啸预警***ETWS主通知的寻呼消息；
    指示有地震海啸预警***ETWS辅通知的寻呼消息；
    指示有商业移动预警服务CMAS通知的寻呼消息。
  23. 根据权利要求19所述的终端设备，其特征在于，所述第一消息包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
  24. 根据权利要求23所述的终端设备，其特征在于：所述处理模块还 用于检查所述第一消息中的第一标识信息与所述终端设备预先存储的第一标识信息是否一致；
    所述接收模块还用于在所述第一消息中的第一标识信息与所述终端设备预先存储的第一标识信息不一致时，接收所述SI。
  25. 根据权利要求19-24中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    发送模块，用于根据所述第一消息向所述第二终端设备发送第一请求消息，所述第一请求消息用于请求所述SI；
    所述接收模块具体用于接收所述第二终端设备发送的第一响应消息，所述第一响应消息包括所述SI。
  26. 根据权利要求25述的终端设备，其特征在于，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
  27. 根据权利要求19-24中任一项所述的终端设备，其特征在于，若所述第一终端设备处于所述基站的覆盖范围内，
    所述接收模块还用于接收所述基站广播的所述SI。
  28. 根据权利要求19-27中任一项所述的终端设备，其特征在于，所述发送模块还用于向所述第二终端设备发送覆盖状态信息，所述覆盖状态信息用于指示所述终端设备处于所述基站覆盖范围内、所述终端设备处于所述基站覆盖范围外或所述终端设备处于所述基站扩展覆盖范围内。
  29. 一种终端设备，其特征在于，所述终端设备，包括：
    处理模块，用于生成第一消息，所述第一消息用于第一终端设备确定是否需要接收***信息SI，其中，所述第一终端设备能够通过所述第二终端设备与所述基站通信；
    发送模块，用于向所述第一终端设备发送所述第一消息。
  30. 根据权利要求29述的终端设备，其特征在于，所述第一消息包括指示所述第一终端设备接收所述SI的指示信息。
  31. 根据权利要求29述的终端设备，其特征在于，所述第一消息包括指示以下事件中的至少一个事件的信息：
    ***信息改变；
    扩展接入禁止EAB参数改变；
    有地震海啸预警***ETWS主通知；
    有地震海啸预警***ETWS辅通知；
    有商业移动预警服务CMAS通知；
    所述第二终端设备正在进行或完成小区重选；
    所述第二终端设备正在进行或完成同频切换；
    所述第二终端设备正在进行或完成异频切换；
    所述第二终端设备正在进行或完成异***切换；
    基站广播的***信息块SIB1发生改变。
  32. 根据权利要求29述的终端设备，其特征在于，所述第一消息为寻呼消息，所述寻呼消息为以下寻呼消息中的至少一种：
    指示***信息改变的寻呼消息；
    指示扩展接入禁止EAB参数改变的寻呼消息；
    指示有地震海啸预警***ETWS主通知的寻呼消息；
    指示有地震海啸预警***ETWS辅通知的寻呼消息；
    指示有商业移动预警服务CMAS通知的寻呼消息。
  33. 根据权利要求29述的终端设备，其特征在于，所述第一消息还包括第一标识信息，所述第一标识信息为小区标识和/或SystemInfoValueTag。
  34. 根据权利要求29-33中任一项所述的终端设备，其特征在于，所述终端设备还包括：
    接收模块，用于接收所述第一终端设备发送的第一请求消息，所述第一请求消息用于请求所述SI；
    所述发送模块具体用于向所述第一终端设备发送第一响应消息，所述第一响应消息包括所述SI。
  35. 根据权利要求34述的终端设备，其特征在于，所述第一请求消息包含第一指示信息，所述第一指示信息指示所述第一终端设备支持的能力或所述第一终端设备需要的***信息类型。
  36. 根据权利要求29-35中任一项所述的终端设备，其特征在于，所述接收模块还用于接收所述第一终端设备发送的覆盖状态信息，所述覆盖状态信息用于指示所述第一终端设备处于所述基站覆盖范围内、所述基站覆盖范围外或所述基站扩展覆盖范围内。
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