WO2018059294A1 - Procédé de transmission d'informations de système, équipement utilisateur et dispositif côté réseau - Google Patents

Procédé de transmission d'informations de système, équipement utilisateur et dispositif côté réseau Download PDF

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Publication number
WO2018059294A1
WO2018059294A1 PCT/CN2017/102582 CN2017102582W WO2018059294A1 WO 2018059294 A1 WO2018059294 A1 WO 2018059294A1 CN 2017102582 W CN2017102582 W CN 2017102582W WO 2018059294 A1 WO2018059294 A1 WO 2018059294A1
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Prior art keywords
system information
demand system
user terminal
broadcast
demand
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PCT/CN2017/102582
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English (en)
Chinese (zh)
Inventor
贺媛
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电信科学技术研究院
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Publication of WO2018059294A1 publication Critical patent/WO2018059294A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a system information transmission method, a user terminal, and a network side device.
  • the system information (SI, System Information) of the wireless communication system is mainly divided into a Master Information Block (MIB) and a plurality of System Information Blocks (SIBs).
  • the system information block may include system information such as SIB1 to SIB20.
  • system information such as SIB1 to SIB20.
  • many scenarios require broadcast system information. For example, when a user terminal (UE) newly accesses a cell or a broadcast message changes, system information is broadcast. At present, each broadcast broadcasts all system information, that is, system information including MIB, SIB1, and SI, where SI includes SIB2 to SIB20, and of course, it is possible to continue to expand.
  • the system information in the wireless communication system is periodically broadcasted, and as the service of the wireless communication system is diversified and the terminal type is continuously evolved, the content of the system information will be more and more, and the overhead of the system information will be more and more occupied. Big.
  • the present disclosure provides a system information transmission method, a user terminal, and a network side device, and the system information transmission method, the user terminal, and the network side device can reduce system information overhead in the wireless communication system.
  • An embodiment of the present disclosure provides a system information transmission method performed by a user terminal, and includes: acquiring broadcast period information of on-demand SI information of a network side device; according to the broadcast period The information acquires on-demand system information sent by the network side device.
  • the acquiring the broadcast period information of the on-demand system information of the network side device includes: receiving system information (periodic broadcast SI) of the network side device periodic broadcast, where the system information of the periodic broadcast includes the on-demand Broadcast cycle information for system information.
  • system information periodic broadcast SI
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the method further includes: sending an on-demand system information request message to the network side device, where the on-demand system information request message is used to request on-demand system information required by the user terminal; Obtaining the on-demand system information sent by the network side device according to the broadcast period information, including: receiving an on-demand system information response sent by the network side device when a broadcast period of the next on-demand system information arrives Message.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index
  • the on-demand system information sent by the network side device is obtained according to the broadcast period information, and further includes: from the saved system information table. Searching for on-demand system information corresponding to the system information table index; wherein the on-demand system information corresponding to the system information table index includes all or part of on-demand system information required by the user terminal, Or not including the system information required by the user terminal; and the on-demand system information corresponding to the system information table index further includes other All or part of the on-demand system information required by the user terminal, or the on-demand system information corresponding to the system information table index does not include an on-demand system required by other user terminals.
  • the sending the system information request message to the network side device if the user terminal only receives the broadcast period information, sending an on-demand system information request message to the network side device. Or sending an on-demand system information request message to the network side device if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives without the on-demand system information broadcast transmission. Or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal does not receive the broadcast period in the broadcast period.
  • the on-demand system information required by the user terminal sends an on-demand system information request message to the network side device; or if the broadcast indication information received by the user terminal indicates that the next on-demand system information broadcast period arrives When the on-demand system information sent by the broadcast does not include the on-demand system information required by the user terminal, Transmitting the network-side apparatus information request message on-demand system.
  • sending the on-demand system information request message to the network side device including: sending an on-demand system information request message to the network side device by using a message 3 (Msg3) of the random access procedure; or
  • the RRC (Radio Resource Control) message is sent to the network side device to send an on-demand system information request message; or to a network through a Medium Access Control (MAC) control unit (CE)
  • the side device sends an on-demand system information request message.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the method further includes: acquiring the mapping relationship information between the uplink signal and the on-demand system information, where the sending the system information request message to the network side device includes: sending an uplink signal to the network side device The uplink signal is in a mapping relationship with the on-demand system information required by the user terminal.
  • acquiring the on-demand system information sent by the network side device according to the broadcast period information including: if the broadcast indication information indicates that the next on-demand system information broadcast period arrives, there is an on-demand system
  • the information broadcast is sent to receive the on-demand system information broadcasted by the network side device when the broadcast cycle of the next on-demand system information arrives; wherein: the network side device
  • the on-demand system information sent by the broadcast includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal; and the network side device broadcasts the transmitted on-demand system information. It also includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the method further includes: if the user terminal does not receive the network side device in a broadcast period of the next on-demand system information The feedback returned is the next on-demand system information broadcast transmission process.
  • An embodiment of the present disclosure provides a system information transmission method performed by a network side device, including: periodic broadcast system information, where the system information of the periodic broadcast includes broadcast period information of on-demand system information of the network side device And transmitting the on-demand system information of the network side device according to the broadcast period information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the method further includes: receiving an on-demand system information request message sent by the user terminal, where the on-demand system information request message is used to request on-demand system information required by the user terminal;
  • the broadcast period information broadcasts the on-demand system information of the network side device, including: broadcasting an on-demand system information response message when a broadcast period of the next on-demand system information arrives.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include the user.
  • the on-demand system information response message includes a system information table index, so that the user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table;
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal;
  • the on-demand system information corresponding to the system information table index further includes all or part of the on-demand system information required by other user terminals, or the on-demand system information corresponding to the system information table index does not include other users.
  • the on-demand system that the terminal needs.
  • the network side device receives the on-demand sent by the user terminal.
  • the system information request message; or the network side device receives the user if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives without the on-demand system information broadcast transmission.
  • the on-demand system information request message sent by the terminal or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal Receiving the on-demand system information required by the user terminal in the broadcast period, the network side device receiving the on-demand system information request message sent by the user terminal; or if the user terminal receives the The broadcast indication information indicates that the next on-demand system information broadcasts the on-demand system when the broadcast period arrives Information does not include on-demand system needs information of the user terminal, then the system demand network device receives the user information request message sent by the terminal.
  • the network side device receives the on-demand system information request message sent by the user terminal, where the network side device receives the button that is sent by the user terminal through the message 3 (Msg3) of the random access process.
  • the required system information request message or the network side device receives the on-demand system information request message sent by the user terminal by using an RRC message; or the network side device receives the on-demand sending by the user terminal by using the MAC CE System information request message.
  • the system information request message includes an on-demand system letter required by the user terminal.
  • a list of information is optionally provided.
  • system information of the periodic broadcast further includes mapping relationship information between the uplink signal and the on-demand system information;
  • the network side device receives the uplink signal sent by the user terminal, where the uplink signal has a mapping relationship with the on-demand system information required by the user terminal.
  • the embodiment of the present disclosure further provides a user terminal, including: a first acquiring module, configured to acquire broadcast period information of the on-demand system information of the network side device; and a second acquiring module, configured to acquire the information according to the broadcast period information The on-demand system information sent by the network side device.
  • the second acquiring module is configured to receive system information that is periodically broadcast by the network side device, where the system information of the periodic broadcast includes broadcast period information of the on-demand system information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the user terminal further includes: a sending module, configured to send an on-demand system information request message to the network side device, where the on-demand system information request message is used to request the user terminal to press
  • the required system information is used by the second acquiring module to receive an on-demand system information response message sent by the network side device when a broadcast period of the next on-demand system information arrives.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes other users. All or part of the on-demand system information required by the terminal, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index
  • the second obtaining module is further configured to search, from the user terminal, the saved system information table to correspond to the system information table index.
  • On-demand system information wherein the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include the user terminal required System information; and the on-demand system information corresponding to the system information table index further includes all or part of on-demand system information required by other user terminals, or the pressing corresponding to the system information table index
  • the required system information does not include the on-demand system required by other user terminals.
  • the sending module is configured to: when the user terminal receives the broadcast period information, send an on-demand system information request message to the network side device; or the sending module is configured to: if the user The broadcast indication information received by the terminal indicates that the broadcast of the next on-demand system information arrives without the on-demand system information broadcast transmission, and then sends an on-demand system information request message to the network side device; or the sending module And if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal does not receive the broadcast period in the broadcast period.
  • the on-demand system information required by the user terminal sends an on-demand system information request message to the network side device; or the sending module is configured to: if the user terminal receives the broadcast indication information, indicate the next on-demand The on-demand system information broadcasted when the broadcast period of the system information arrives does not include the on-demand system required by the user terminal. Information, system information is sent on-demand request message to the network side device.
  • the second obtaining module is configured to send an on-demand system information request message to the network side device by using a message 3Msg3 of the random access procedure; or the second obtaining module is configured to control the RRC message by using a radio resource. Sending an on-demand system information request message to the network side device; or the second obtaining module is configured to send an on-demand system information request message to the network side device by using a medium access control control unit MAC CE.
  • MAC CE medium access control control unit
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the user terminal further includes: a third acquiring module, configured to acquire an uplink signal and press The mapping information of the required system information; the sending module is configured to send an uplink signal to the network side device, where the uplink signal is in a mapping relationship with the on-demand system information required by the user terminal.
  • a third acquiring module configured to acquire an uplink signal and press The mapping information of the required system information
  • the sending module is configured to send an uplink signal to the network side device, where the uplink signal is in a mapping relationship with the on-demand system information required by the user terminal.
  • the second obtaining module is configured to: when the broadcast indication information indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, and the next on-demand system information broadcast period Receiving, on arrival, the on-demand system information broadcasted by the network side device, where: the network side device broadcasts the transmitted on-demand system information, including all or part of the on-demand system information required by the user terminal, or The system information required by the user terminal is included; and the on-demand system information broadcasted by the network side device further includes all or part of on-demand system information required by other user terminals, or does not include required buttons of other user terminals. System information required.
  • the user terminal performs a next on-demand system information broadcast sending process.
  • the embodiment of the present disclosure further provides a network side device, including: a first broadcast module, configured to periodically broadcast system information, where the system information of the periodic broadcast includes a broadcast period of the on-demand system information of the network side device And a second broadcast module, configured to broadcast, according to the broadcast period information, the on-demand system information of the network side device.
  • a network side device including: a first broadcast module, configured to periodically broadcast system information, where the system information of the periodic broadcast includes a broadcast period of the on-demand system information of the network side device
  • a second broadcast module configured to broadcast, according to the broadcast period information, the on-demand system information of the network side device.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the network side device further includes: a receiving module, configured to receive, sent by the user terminal An on-demand system information request message, the on-demand system information request message is used to request on-demand system information required by the user terminal; and the second broadcast module is used in a broadcast cycle of the next on-demand system information Upon arrival, the broadcast sends an on-demand system information response message.
  • a receiving module configured to receive, sent by the user terminal An on-demand system information request message, the on-demand system information request message is used to request on-demand system information required by the user terminal; and the second broadcast module is used in a broadcast cycle of the next on-demand system information Upon arrival, the broadcast sends an on-demand system information response message.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index, so that the user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table;
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal;
  • the on-demand system information corresponding to the system information table index further includes all or part of the on-demand system information required by other user terminals, or the on-demand system information corresponding to the system information table index does not include other users.
  • the on-demand system that the terminal needs.
  • the receiving module is configured to: if the user terminal only receives the broadcast period, receive an on-demand system information request message sent by the user terminal; or the receiving module is configured to: if the user Receiving, by the terminal, the broadcast indication information that the broadcast of the next on-demand system information arrives without the on-demand system information broadcast transmission, and receiving the on-demand system information request message sent by the user terminal; or the receiving module And if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal does not receive the broadcast period in the broadcast period.
  • the user terminal And receiving, by the user terminal, the on-demand system information request message sent by the user terminal; or the receiving module is configured to: if the user terminal receives the broadcast indication information, indicating the next on-demand The on-demand system information broadcasted when the broadcast period of the system information arrives does not include the on-demand required by the user terminal. System information, the user terminal transmits the receiving system demand information request message.
  • the receiving module is configured to receive an on-demand system information request message sent by the user terminal by using a message 3Msg3 of the random access procedure; or the receiving module is configured to receive the The on-demand system information request message sent by the user terminal through the RRC message; or the receiving module is configured to receive the on-demand system information request message sent by the user terminal by using the MAC CE.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the system information of the periodic broadcast further includes mapping relationship information between the uplink signal and the on-demand system information; the receiving module is configured to receive an uplink signal sent by the user terminal, where the uplink signal is There is a mapping relationship between the on-demand system information required by the user terminal.
  • the present disclosure also provides a user terminal including a processor, a transceiver, and a memory, the transceiver for receiving and transmitting data under control of the processor, the memory for storing a program, wherein The processor reads a program stored in the memory and executes the system information transmission method performed by the user terminal described above through the transceiver.
  • the present disclosure also provides a network side device including a processor, a transceiver, and a memory, the transceiver for receiving and transmitting data under control of the processor, the memory for storing a program, Wherein the processor reads a program stored in the memory and executes the system information transmission method performed by the network side device described above through the transceiver.
  • the user terminal acquires the broadcast period information of the on-demand system information of the network side device, and acquires the on-demand system information sent by the network side device according to the broadcast period information.
  • system information can be sent on demand, and all system information is periodic broadcasts compared to related technologies, and embodiments of the present disclosure can reduce system information overhead.
  • FIG. 1 is a schematic structural diagram of a network according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a system information transmission method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart diagram of another system information transmission method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of a message transmission manner according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a network side device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of another network side device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another network side device according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a network according to an embodiment of the present disclosure.
  • the network structure includes one or more User Equipments (UEs) 11 and network side devices 12.
  • UEs User Equipments
  • the figure is illustrated by a user terminal 11 in the drawing.
  • the user terminal 11 can be a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a mobile internet device (MID), or a wearable device.
  • PDA personal digital assistant
  • MID mobile internet device
  • a terminal device such as a Wearable Device, it should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present disclosure.
  • the user terminal 11 can establish communication with the network side device 12.
  • the network in the drawing may indicate that the user terminal 11 and the network side device 12 establish communication wirelessly, the network side device 12 may be a base station, and the base station may be a macro station, such as an LTE (Long Term Evolution) eNB (evolved Node B) , Evolved Node B), fifth-generation mobile communication technology 5G NR (New RAT) NB (Node B), etc.; the base station can also be a small station, such as a low power node (LPN: low power node) pico, femto A small station such as (femto), or an access point (AP).
  • LTE Long Term Evolution
  • eNB evolved Node B
  • 5G NR New RAT
  • the network side device 12 may also be a network node composed of a central unit (CU) and a plurality of Transmission Reception Points (TRPs) managed and controlled by the central unit (CU). In addition, there is one or more cells under one base station (for example: different frequency points or sector splits). It should be noted that the specific type of the network side device 12 is not limited in the embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a system information transmission method.
  • the system information transmission method includes the following steps 201 and 202.
  • Step 201 The user terminal acquires broadcast period information of on-demand SI information of the network side device.
  • Step 202 The user terminal acquires the network side device according to the broadcast period information. On-demand system information sent.
  • the on-demand system information of the network side device may be part of the system information included in the network side device, or the on-demand system information of the network side device may be a periodic broadcast in the network side device.
  • System information other than system broadcast (periodic broadcast SI).
  • the system broadcast information may be system information that requires periodic broadcast in the system information of the network side device, for example, system information other than on-demand system information, or the user terminal camps on the cell and connects.
  • System information of the inbound cell such as all or part of the contents of the MIB, SIB1, and SIB2; or system information that the user terminal (UE) camps on the cell and accesses the resident cell, and the like.
  • on-demand SI can also be understood as system information that is transmitted on an as-needed basis.
  • the broadcast period information of the on-demand system information of the network side device may be information for describing or indicating the broadcast period of the on-demand system information of the network side device, that is, the user terminal may determine the above by using the broadcast period information.
  • the broadcast period of the on-demand system information of the network side device The network side device broadcasts the on-demand system information according to the broadcast period. It should be noted that the network side device does not need to broadcast on-demand system information during the broadcast period of each on-demand system information, for example, no user terminal needs on-demand system information in a specific broadcast period, and the network side The device may not broadcast on-demand system information during the broadcast period.
  • the on-demand system information broadcasted by the network side device may be different, or partially the same or all the same, and the on-demand system information broadcasted each time may be part of the on-demand system information of the network side device or All.
  • the network side device may broadcast only SIB3 and SIB4 in the broadcast period.
  • the on-demand SI broadcast period can be understood as that the network side device has a transmission opportunity every interval, and the on-demand system information may be broadcasted on the transmission opportunity, or may be Some transmissions will not be broadcasted.
  • the broadcast period information acquired in step 201 may be sent by the receiving network side device periodically, or may be acquired by the user terminal in advance, for example, the network side device is configured in advance to the user terminal.
  • the period of the system information of the network side device can be determined, so that the on-demand system sent by the network side device can be acquired in these periods. Information.
  • the system information is not limited to MIB, and SIB1 to SIB20.
  • the system information may also be SIBn, where n is an integer greater than 20, or the system information may also be system information that accommodates the development of future wireless communication systems.
  • the SIB1 may include the related parameters of the broadcast cell access and the cell selection, and the scheduling information of the SI message, and may include one or more SIBs 2 to 13; the SIB2 may include the wireless parameter configuration shared by all the UEs in the cell, and other wireless parameters are basically configured.
  • the SIB5 may include a list of different frequency adjacent frequency points, a reselection parameter of each frequency point, a list of inter-frequency neighboring cells, and a reselection parameter of each neighboring cell, and an inter-frequency blacklist cell list.
  • the SIB6 may include a UMTS Terrestrial Radio Access-Frequency Division Duplexing (UTRAFDD) list of adjacent frequency points, a reselection parameter for each frequency point, a list of UTRA TDD adjacent frequency points, and a frequency point of each frequency point.
  • UTRAFDD UMTS Terrestrial Radio Access-Frequency Division Duplexing
  • SIB7 may include Global System for Mobile Communications (GSM) and Enhanced Data Rate GSM Evolutionary Technology (EDGE) Radio Access Network (GERAN) GSM EDGE Radio Access Network (GERAN) list of adjacent frequency points and the weight of each frequency point Selecting parameters; SIB8 may include pre-registration information of Code Division Multiple Access (CDMA) 2000, CDMA2000 adjacent frequency band list and reselection parameters of each frequency band, neighbor list of CDMA2000 adjacent frequency bands; SIB9 may include home eNodeB The name of the SIB10 may include an Earthquake and Tsunami Warning System (ETWS) primary notification; the SIB 11 may include an ETWS secondary notification; and the SIB 12 may include a Commercial Mobile Alert Service (Commercial Mobile Alert Service) , CMAS) notification; SIB 13 may include obtaining one or more Multicast Broadcast Single Frequency Network (MBMSN area-related Multimedia Broadcast Multicast Service (MBMS) control information.
  • SIB14 to SIB20 have their own characteristics, and are not described one by one
  • the on-demand system information acquired in step 202 may include all or part of the on-demand system information required by the user terminal, or the on-demand system information acquired in step 202 does not include the system required by the user terminal.
  • Information for example: the required button for the above user terminal
  • the required system information is SIB3 and SIB4
  • the on-demand system information sent by the network side device may be SIB3 and SIB4, or SIB3 and SIB5, or SIB6, SIB7, SIB8, SIB9 and the like.
  • the user terminal may perform the next on-demand system information acquisition process.
  • the user terminal can obtain the on-demand system information sent by the network side device according to the foregoing broadcast period. Since not all system information is broadcast every time, the purpose of saving transmission resources can be achieved.
  • the foregoing user terminal acquires broadcast period information of the on-demand system information of the network side device (step 201), where the user terminal receives system information periodically broadcasted by the network side device, and the system information of the periodic broadcast Broadcast period information including the on-demand system information.
  • the broadcast period information of the on-demand system information of the network side device is obtained by the user terminal in the system information broadcasted by the network side device.
  • the broadcast period of the on-demand system information may be longer than the broadcast period of the system information of the periodic broadcast, for example, the broadcast period of the on-demand system information may be an integral multiple of the broadcast period of the system information of the periodic broadcast.
  • the system information of the above-mentioned periodic broadcast may be system information of a broadcast period including only on-demand system information.
  • the system information of the periodic broadcast may also include other system information that requires periodic broadcast, for example, MIB, SIB1, and SIB2.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate the transmission status of the system information on demand by the network side device in the broadcast period of the next on-demand system information.
  • the network side device broadcasts the on-demand system information during the broadcast period of the next on-demand system information, or the network side device does not broadcast and send the on-demand system information during the next on-demand system information broadcast period. , or which on-demand system information and the like are sent by the network side device in the broadcast cycle of the next on-demand system information. Therefore, after receiving the broadcast indication information, the user terminal may acquire the on-demand system sent by the network side device according to the broadcast period and the broadcast indication information in step 202.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast period of the next on-demand system information may be the closest to the current time.
  • the broadcast indication information may be indicated by a specific bit, for example, by using 1 bit indication, 1 means that the next on-demand system information has an on-demand system information broadcast when the broadcast period arrives, 0 means no; or when it appears True means that there is an on-demand system information broadcast when the next on-demand system information broadcast cycle arrives. If it does not appear, there is no such indication.
  • the power consumption of the terminal can be saved by using the foregoing broadcast indication information, for example, when the on-demand system information is not broadcasted in the next broadcast period, so that the user terminal does not need to perform the acquired operation to save power consumption.
  • the foregoing broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the network side device broadcasts which on-demand system information is transmitted by using the broadcast indication information. Therefore, the user terminal can perform the acquired action according to the broadcast indication information.
  • the indicated on-demand system information does not include the on-demand system information required by the user terminal, but may not be acquired to save power consumption of the terminal;
  • the on-demand system information includes the on-demand system information required by the user terminal, and the on-demand system information broadcasted by the network side device is acquired in the next broadcast period.
  • the foregoing broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • SIB index system information index
  • the system information broadcast is being sent. If it is included, it is represented by 1; otherwise, it is represented by 0.
  • the foregoing broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the system information period can be understood as the broadcast period of the on-demand system information of the network side device, that is, the time interval at which the network side device broadcasts the transmission opportunity of sending the on-demand system information.
  • the foregoing system information period may be represented by a number of radio frames, for example: ⁇ rf8, rf16, rf32, rf64, rf128, rf256, rf512 ⁇ .
  • the user terminal can be determined by the above system information period
  • the broadcast period of the on-demand system information of the above network side device is a number of radio frames
  • the above starting point may be a starting point of each system information period, that is, a starting point of each time interval in which the network side device broadcasts a transmission opportunity for transmitting the on-demand system information.
  • the above starting point can be understood as the starting position.
  • the starting point may be represented by subframe information of the radio frame, for example, the starting point may be the nth subframe in the radio frame corresponding to each system information period, for example, n is 2, 3, 4, 5, Or 6 and so on.
  • the user terminal can determine the starting point of the on-demand system information for each broadcast period through the above starting point, so that the system information can be received at the starting point.
  • the above system information time window can be understood as the time window length at which the user terminal receives the on-demand system information when the system information period of the on-demand system information broadcast arrives. For example, the next on-demand system information broadcast period has an on-demand system information broadcast transmission, and then, when the broadcast period arrives, the user terminal can receive the on-demand system information in the system information time window.
  • system information time window and the foregoing starting point are not limited to be carried in each broadcast period information, but the system information time window and the starting point may be carried in each broadcast period information. Because the system information time window and the above starting point may be fixed in some scenarios or within a certain time, the system information time window and the above starting point may be configured in advance for the user terminal; or only the first broadcast in a specific time
  • the period information carries the system information period, the starting point, and the system information time window, and may carry only the system information period in the next one or more broadcast period information, and may not carry the starting point and the system information time window.
  • the above system information period, the starting point, and the system information time window may all be configured by the network side device.
  • the method further includes: the user terminal sending an on-demand SI request message to the network side device, where the on-demand system information request message is used to request the On-demand system information required by the user terminal.
  • step 202 the user terminal receiving the broadcast period of the next on-demand system information An on-demand SI response message sent by the network side device.
  • the user terminal may send the system information request message to the network side device to request system information required by the user terminal.
  • the system information is SIB3 and SIB4, and the user terminal may send a system information request message corresponding to SIB3 and SIB4 to the network side device.
  • the step of transmitting the system information request message may be performed after step 201. Of course, in some scenarios, it may be performed before step 201.
  • the network side device may send the on-demand system information according to the system information request message in the broadcast cycle of the next on-demand system information.
  • the network side device may broadcast and send the on-demand system information response message when the next on-demand system information broadcast period arrives according to the on-demand system information request message sent by the user terminal and the on-demand system information that can be provided by the user terminal. It contains the on-demand system information required for all or part of the user terminal that can be provided.
  • the on-demand system information transmission according to the on-demand system information request message sent by the user terminal can be implemented, so that the on-demand system information that is not required by the broadcast user terminal can be avoided to avoid waste of transmission resources.
  • the foregoing user terminal may also send the above-mentioned on-demand system information request message, for example, according to the broadcast indication information, the network side device may send the on-demand system information in the next on-demand system information broadcast period, and may directly be in the next The broadcast period is obtained, and the on-demand system information that may be acquired includes the information required by the user terminal. If the user terminal does not need to be included, the user terminal may further send the above-mentioned system information request message.
  • the user terminal learns that the on-demand system information broadcasted by the network side device in the next on-demand system information broadcast period according to the foregoing broadcast indication information may include system information required by the user terminal, and may be directly acquired in the next broadcast period, so that the network terminal does not need to send. Request message.
  • the network side device may schedule on-demand physical downlink control channel (PDCCH, Physical Downlink Control Channel) scrambled by using a system information-radio network temporary identifier (SI-RNTI) (such as OD-SI-RNTI).
  • SI-RNTI system information-radio network temporary identifier
  • the system information response message can be addressed by each user terminal through the SI-RNTI.
  • the network side may repeatedly send the on-demand system information, and the user terminal retransmits the merge through the hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat reQuest) (no ACK/NACK feedback) To improve system information reception performance.
  • HARQ Hybrid Automatic Repeat reQuest
  • the above-mentioned on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes other users All or part of the on-demand system information required by the terminal, or does not include the on-demand system information required by other user terminals.
  • the above-mentioned on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal; or
  • the on-demand system information response message includes all on-demand system information required by the user terminal, and also includes all or part of the on-demand system information required by other user terminals, or does not include system information required by other user terminals; or
  • the on-demand system information response message includes part of the on-demand system information required by the user terminal, and further includes all or part of the on-demand system information required by other user terminals, or does not include system information required by other user terminals.
  • the on-demand system information response message does not include the on-demand system information required by the user terminal, but includes all or part of the on-demand system information required by other user terminals, or does not include other user terminal requirements. system message.
  • the on-demand system information response message does not include the on-demand system information required by the user terminal, and determines that the network side cannot provide the system information required by itself.
  • the network side device broadcasts the on-demand system information required by the multiple user terminals, that is, the network side terminal combines the on-demand system information required by the plurality of user terminals that can be provided, and presses the next on-demand Broadcasting is required when the required system information broadcast period arrives to save transmission resources.
  • the system information requested by UE1 is ⁇ SIB3, SIB4 ⁇
  • the system information requested by UE2 is ⁇ SIB5, SIB6 ⁇
  • the system information requested by UE3 is ⁇ SIB3, SIB4, SIB5, SIB6 ⁇
  • the network side device sends according to 3 UEs.
  • the on-demand system information request message combined with the on-demand system information that can be provided by itself, broadcasts system information including SIB3, SIB4, SIB5, and SIB6 when the next on-demand system information broadcast period arrives.
  • SIB3, SIB4, SIB5 and SIB6 may also include other system information.
  • the above-mentioned on-demand system information response message includes a system information table index
  • the user terminal acquires on-demand system information sent by the network side device according to the broadcast period information (step 202) further includes: The user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table; wherein the on-demand system information corresponding to the system information table index includes the user terminal All or part of the required system information, or system information required by the user terminal; and the system The on-demand system information corresponding to the information table index further includes all or part of the on-demand system information required by other user terminals, or the on-demand system information corresponding to the system information table index does not include other user terminal requirements. On-demand system.
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal; or the The on-demand system information corresponding to the system information table index includes all on-demand system information required by the user terminal, and also includes all or part of on-demand system information required by other user terminals, or does not include other user terminals.
  • the required system information; or the on-demand system information corresponding to the system information table index includes part of the on-demand system information required by the user terminal, and also includes all or part of the on-demand required by other user terminals.
  • System information or does not include system information required by other user terminals; or the on-demand system information corresponding to the system information table index does not include on-demand system information required by the user terminal, but includes other user terminals All or part of the required system information, or not included He needs the user terminal system information.
  • the on-demand system information broadcasted by the network side may be a system information table index (SI table index) to save transmission overhead.
  • the system information table index is a way for the user terminal of the saved system information table (SI table), and the user terminal receives the system information table index, and can find the system information table to find the corresponding SIB content.
  • the system information table that has been saved by the user terminal may be pre-configured, or the user terminal may receive and save the network side device in advance.
  • the user terminal sends an on-demand system information request message to the network side device, including: if the user terminal only receives the broadcast period information, the user terminal sends the information to the network side device Sending an on-demand system information request message; or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives without an on-demand system information broadcast transmission, the user terminal The network side device sends an on-demand system information request message; or if the broadcast indication information received by the user terminal indicates that the broadcast cycle of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the If the user terminal does not receive the on-demand system information required by the user terminal in the broadcast period, the user terminal sends an on-demand system information request message to the network side device; or if the user terminal receives of The broadcast indication information indicates that the on-demand system information broadcasted by the broadcast period of the next on-demand system information does not include the on-demand system information required by the user terminal, and the user terminal sends the network side device
  • the system information request message is sent to the network side device to avoid the network side device when the on-demand system information broadcast period is reached.
  • the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is no on-demand system information broadcast transmission, for example, the user terminal receives the presence indication as 0 or does not present the presence indication.
  • the system information request message is sent to the network side device to avoid the network side when the next on-demand system information broadcast period is reached. The device does not broadcast on-demand system information.
  • the on-demand system information broadcast transmission is received when the broadcast indication information received by the user terminal indicates that the next on-demand system information broadcast period arrives, and the on-demand system information received in the next on-demand system information broadcast period is not Including the on-demand system information required by the user terminal, wherein the part does not include any on-demand system information that does not include the user terminal, or does not include part of the on-demand system information required by the user terminal, that is, only part of the system .
  • the user terminal transmits the above system information request message.
  • the broadcast period of the next on-demand system information of the user equipment receiving the on-demand system information response message is the second on-demand system information after receiving the broadcast period in step 201.
  • the broadcast period is because the user terminal finds that the received on-demand system information does not include the system information required by the user terminal when the broadcast period of the first on-demand system information arrives. For example, if the user terminal receives the presence indication as 1 or true, indicating that the next on-demand system information broadcast period arrives and there is on-demand system information for broadcast transmission, the user terminal can broadcast the next on-demand system information period. Upon arrival, the on-demand system information sent by the broadcast is obtained. Further, the user terminal checks whether the system information required by the user terminal is included, and if so, the user terminal has obtained the required system information; if not, the user terminal sends the above-mentioned system information request message to the network side device. .
  • broadcast indication information received by the user terminal indicates that the on-demand system information broadcasted by the broadcast period of the next on-demand system information does not include the on-demand system information required by the user terminal, Sending an on-demand system information request to the network side device.
  • broadcast instructions An on-demand system information broadcast period broadcasts SIB4, SIB5, and SIB6, but the user terminal needs SIB3 and SIB4, and the user terminal can send the above-mentioned on-demand system information request message.
  • the user terminal checks whether the system information required by itself is included, if Including, the user terminal can obtain the required system information when the next on-demand system information broadcast period arrives; if not, the user terminal sends the above-mentioned on-demand system information request message to the network side device.
  • the user terminal sends an on-demand system information request message to the network side device, where the user terminal sends an on-demand system information request message to the network side device by using the Msg3 of the random access process; Or the user terminal sends an on-demand system information request message to the network side device by using a radio resource control RRC message; or
  • the user terminal sends an on-demand system information request message to the network side device by using a medium access control control unit MAC CE.
  • the idle state/inactive user terminal performs an on-demand system information request message transmission through a random access procedure. That is, the on-demand system information request message is included in the Msg3 of the random access procedure. And the connected state user terminal sends the on-demand system information request message through the RRC message or the MAC CE. That is to say, the UE may include an on-demand system information request message in the RRC message or MAC CE, which includes a list of system information on demand.
  • the foregoing random access procedure may be a random access procedure in an LTE system.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the information list of the required system information may be used to indicate the on-demand system information required by the user terminal, for example, when the system information required by the user terminal is SIB3 and SIB4, the on-demand system sent by the user terminal.
  • the list of on-demand system information contained in the information request message is ⁇ SIB3, SIB4 ⁇ or ⁇ 00110000000000000000 ⁇ .
  • the method further includes: the user terminal acquiring mapping relationship information between the uplink signal and the on-demand system information.
  • the user terminal sends an on-demand system information request message to the network side device, where the user terminal sends an uplink signal to the network side device, where the uplink signal and the user terminal require on-demand There is a mapping relationship between system information.
  • the mapping relationship information may be obtained from the system information that receives the periodic broadcast, that is, the system information of the periodic broadcast sent by the network side device includes the mapping relationship information, or the user terminal is pre-configured, thereby The above mapping relationship information is obtained locally.
  • the uplink signal may be sent to notify the network side device user terminal of the required on-demand system information, and the sending the uplink signal is implemented based on an existing process, thereby reducing the communication flow, and the user terminal and the network. Improvements in side equipment.
  • the network side device also obtains the above mapping relationship information in advance. For example, the idle state/inactive user terminal performs an on-demand system information request message transmission through an uplink signal process.
  • the user terminal sends an uplink signal (for example, a Preamble preamble, a Sync synchronization code, etc.), and the uplink signal and the on-demand system information exist in a mapping table.
  • an uplink signal for example, a Preamble preamble, a Sync synchronization code, etc.
  • Preamble1 corresponds to SIB3
  • Preamble2 corresponds to SIB4
  • Preamble3 corresponds to SIB3 and SIB4.
  • the foregoing user equipment acquires the on-demand system information sent by the network side device according to the broadcast period (step 202), and includes: if the broadcast indication information indicates a broadcast period of the next on-demand system information.
  • the user terminal receives the on-demand system information broadcasted by the network side device when the broadcast cycle of the next on-demand system information arrives, where: the network side device
  • the on-demand system information sent by the broadcast includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal; and the network side device broadcasts the transmitted on-demand system information. It also includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information broadcasted by the network side device includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal; or the network side device broadcasts
  • the transmitted on-demand system information includes all on-demand system information required by the user terminal, and also includes all or part of the on-demand system information required by other user terminals, or does not include system information required by other user terminals; or
  • the on-demand system information broadcasted by the network side device includes part of the on-demand system information required by the user terminal, and further includes all or part of the on-demand system information required by other user terminals, or does not include other user terminals.
  • the required system information; or the on-demand system information broadcasted by the network side device does not include the on-demand system information required by the user terminal, but includes other user terminals. All or part of the system information on demand, or system information required by other user terminals.
  • the broadcast indication information indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, and the user terminal can directly receive when the next on-demand system information broadcast period arrives.
  • the network side device broadcasts the transmitted on-demand system information.
  • the broadcast indication information indicates that the broadcast of the next on-demand system information arrives at the time of the broadcast of the on-demand system information, which can be understood as whether the broadcast indication information is received by the broadcast period indicating the next on-demand system information. Indicate the way the system information is broadcast.
  • next on-demand system information broadcast period arrives with an on-demand system information transmission by indicating the on-demand system information broadcasted when the broadcast period of the next on-demand system information arrives, for example, broadcasting
  • the system information that is broadcasted by the next on-demand system information broadcast period indicated by the indication information includes system information required by the user terminal, and the user terminal can directly receive the network side when the next on-demand system information broadcast period arrives.
  • the device broadcasts the on-demand system information sent, so there is no need to send an on-demand system information request message to save transmission overhead.
  • the method further includes: if the user terminal does not receive the broadcast period of the next on-demand system information The feedback returned by the network side device performs the next on-demand system information broadcast transmission process.
  • the user terminal does not receive feedback from the network side when the next on-demand system information broadcast period arrives, and considers that the requested on-demand system information fails, then the user terminal needs to perform the next on-demand system information. Broadcast transmission process.
  • the user terminal acquires a broadcast period of the on-demand system information of the network side device, and the user terminal acquires the on-demand system information sent by the network side device according to the broadcast period. In this way, the system information can be sent on demand. Compared with the related technologies, all system information is periodic broadcast.
  • the embodiments of the present disclosure can reduce the resource overhead of the entire system information and improve the overall resource utilization of the system.
  • an embodiment of the present disclosure further provides a system information transmission method, as shown in FIG.
  • the system information transmission method includes the following steps 301 to 302.
  • Step 301 The network side device periodically broadcasts system information, where the system information of the periodic broadcast includes broadcast period information of the on-demand system information of the network side device.
  • Step 302 The network side device broadcasts the on-demand system information of the network side device according to the broadcast period information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the method further includes: the network side device receiving an on-demand system information request message sent by the user terminal, where the on-demand system information request message is used to request an on-demand system required by the user terminal information. And transmitting, by the network side device, the on-demand system information of the network side device according to the broadcast period information (step 302), where the network side device broadcasts when a broadcast period of the next on-demand system information arrives Send an on-demand system information response message.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index, so that the user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table;
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include the System information required by the user terminal; and the on-demand system information corresponding to the system information table index further includes all or part of on-demand system information required by other user terminals, or the system information table
  • the on-demand system information corresponding to the index does not include the on-demand system required by other user terminals.
  • the network side device receives the on-demand system information request message sent by the user terminal, including: if the user terminal only receives the broadcast period information, the network side device receives the user The on-demand system information request message sent by the terminal; or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives without the on-demand system information broadcast transmission, the network side Receiving, by the device, the on-demand system information request message sent by the user terminal; or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, If the user terminal does not receive the on-demand system information required by the user terminal in the broadcast period, the network side device receives the on-demand system information request message sent by the user terminal; or The broadcast indication information received by the user terminal indicates that the broadcast cycle of the next on-demand system information arrives at the broadcast time.
  • Demand system information does not include the user terminal needs demand system information
  • the network device receives the user terminal transmitting on
  • the network side device receives the on-demand system information request message sent by the user terminal, where the network side device receives the on-demand system information sent by the user terminal by using the Msg3 of the random access process. a request message; or the network side device receives an on-demand system information request message sent by the user terminal by using an RRC message; or the network side device receives an on-demand system information request message sent by the user terminal by using a MAC CE .
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the system information of the periodic broadcast further includes the mapping relationship information of the uplink signal and the on-demand system information; the network side device receiving the on-demand system information request message sent by the user terminal, including: The network side device receives the uplink signal sent by the user terminal, where the uplink signal has a mapping relationship with the on-demand system information required by the user terminal.
  • the present embodiment is an implementation manner of the network side device corresponding to the embodiment shown in FIG. 2.
  • the network side device corresponding to the embodiment shown in FIG. 2.
  • this embodiment will not be described again.
  • the overhead of reducing system information can also be achieved.
  • This example illustrates the process of sending an on-demand system information broadcast through a random access procedure in the case that the idle state/inactive UE receives only the broadcast period of the on-demand system information.
  • the specific workflow is as follows:
  • Step 1 The idle state/inactive UE1 receives the system information broadcasted by the network side device period, and only includes the broadcast period of the on-demand system information.
  • Step 2 The system information required by the UE1 is SIB3 and SIB4, and the on-demand system information request message is sent through a random access procedure, that is, the on-demand system information request message is included in the Msg3 of the random access procedure, which includes The list of on-demand system information is ⁇ SIB3, SIB4 ⁇ .
  • Step 3 The network side device broadcasts and sends an on-demand system information response message when the next on-demand system information broadcast period arrives according to the on-demand system information request message sent by the UE1 and the on-demand system information that can be provided by the UE1. Contains system information for SIB3 and SIB4 that can be provided.
  • Step 4 The UE1 receives the on-demand system information response message when the next on-demand system information broadcast period arrives, thereby obtaining system information of the SIB3 and the SIB4.
  • This example illustrates the process of sending an on-demand system information broadcast by an idle signal process when the idle state/inactive UE receives the presence indication 0 or does not show the presence indication.
  • the specific workflow is as follows:
  • Step 1 The idle state/inactive UE2 and the UE3 receive the system information of the network side device period broadcast, which includes the broadcast period of the on-demand system information, and simultaneously receives the presence indication of 0 or does not show the presence indication.
  • the network side device sends a mapping table of Preamble and on-demand system information by using system information sent by the periodic broadcast.
  • Preamble1 corresponds to SIB3
  • Preamble2 corresponds to SIB4
  • Preamble3 corresponds to SIB5 and SIB6.
  • Step 2 The on-demand system information required by UE2 is SIB3 and SIB4, and then UE2 sends Preamble1 and Preamble2 to the network side device to indicate its on-demand system information request message.
  • the on-demand system information required by UE3 is SIB3 and SIB5, then UE3 sends Preamble1 and Preamble3 to the network side device for indicating its on-demand system information request message.
  • Step 3 The network side device broadcasts and sends an on-demand system information response message when the next on-demand system information broadcast period arrives according to the on-demand system information request message sent by the two UEs and the on-demand system information that can be provided by the UE. Contains system information for SIB3, SIB4, SIB5, and SIB6 that can be provided. Specifically, the network side device schedules the on-demand system information response message by using the PDCCH scrambled by the SI-RNTI.
  • Step 4 UE2 and UE3 receive an on-demand system information response message when the next on-demand system information broadcast period arrives. Specifically, UE2 and UE3 are addressed through the SI-RNTI. The UE2 obtains the system information of the SIB3 and the SIB4 from the on-demand system information response message, and the UE3 obtains the system information of the SIB3 and the SIB5 from the on-demand system information response message.
  • This example uses the idle state/inactive UE to receive the on-demand system information broadcast sending process when the presence indication is 1 or true.
  • the specific workflow is as follows:
  • Step 1 the idle state/inactive UE4 receives the system information broadcasted by the network side device period, and includes the broadcast period of the on-demand system information, and simultaneously receives the presence indication as 1 or true.
  • Step 2 The network side device broadcasts and sends an on-demand system information response message when the next on-demand system information broadcast period arrives, and includes system information of SIB3, SIB4, SIB5, and SIB6 that can be provided. Specifically, the network side device schedules the on-demand system information response message by using the PDCCH scrambled by the SI-RNTI.
  • Step 3 The UE4 receives the on-demand system information response message when the next on-demand system information broadcast period arrives. Specifically, the UE4 is addressed by the SI-RNTI. The UE 4 obtains system information of SIB3, SIB4, SIB5, and SIB6 from the on-demand system information response message. The UE4 checks whether it contains the system information SIB5 and SIB6 that it needs. Because it is included, the UE4 has acquired the required system information.
  • This example provides an example of performing the on-demand system information broadcast transmission process when the connected UE receives the on-demand system information list.
  • the specific work flow is as follows:
  • Step 1 the connected state UE5 receives the system information broadcasted by the network side device period, where the packet A broadcast period containing on-demand system information, and simultaneously receives an on-demand system information list ⁇ SIB3, SIB4, SIB5, SIB6 ⁇ .
  • UE5 has saved the system information table (SI table).
  • Step 2 The UE5 checks whether it needs the system information SIB3 and SIB4 that it needs. Because it is included, the UE5 can obtain the required system information when the next on-demand system information broadcast period arrives.
  • Step 3 The network side device broadcasts and sends an on-demand system information response message, where the system information table index (SI table index) of SIB3, SIB4, SIB5, and SIB6 that can be provided is broadcasted when the next on-demand system information broadcast period arrives. Specifically, the network side device schedules the on-demand system information response message by using the PDCCH scrambled by the SI-RNTI.
  • SI table index SI table index
  • Step 4 The UE5 receives the on-demand system information response message when the next on-demand system information broadcast period arrives. Specifically, the UE5 is addressed by the SI-RNTI. The UE5 obtains the system information table indexes of the SIB3 and the SIB4 from the on-demand system information response message, and can search the system information table to find the corresponding SIB content.
  • FIG. 4 is a schematic diagram of an on-demand system information broadcast transmission. The specific workflow is as follows:
  • Step 1 The idle state/inactive UE2 and the UE3 receive the system information of the network side device period broadcast, which includes the broadcast period of the on-demand system information, and the presence indication does not occur. Further, the broadcast period of the on-demand system information is three times the period of the system information of the periodic broadcast.
  • the network side device sends a mapping table of Preamble and on-demand system information by using system information sent by the periodic broadcast. Preamble1 corresponds to SIB3, Preamble2 corresponds to SIB4, and Preamble3 corresponds to SIB5 and SIB6.
  • Step 2 The on-demand system information required by UE2 is SIB3 and SIB4, and then UE2 sends Preamble1 and Preamble2 to the network side device to indicate its on-demand system information request message.
  • the on-demand system information required by UE3 is SIB3 and SIB5, then UE3 sends Preamble1 and Preamble3 to the network side device for indicating its on-demand system information request message.
  • Step 3 The network side device broadcasts and sends the on-demand system information response when the next on-demand system information broadcast period arrives according to the on-demand system information request message sent by the two UEs and the on-demand system information that can be provided by the two UEs.
  • Step 4 The idle state/inactive UE4 receives the system information broadcasted by the network side device period, and includes the broadcast period of the on-demand system information, and simultaneously receives the presence indication as true.
  • Step 5 The network side device broadcasts and sends an on-demand system information response message when the next on-demand system information broadcast period arrives, and includes system information of SIB3, SIB4, SIB5, and SIB6 that can be provided. Specifically, the network side device schedules the on-demand system information response message by using the PDCCH scrambled by the SI-RNTI.
  • Step 6 UE2, UE3, and UE4 receive an on-demand system information response message when the next on-demand system information broadcast period arrives. Specifically, UE2, UE3, and UE4 are addressed by the SI-RNTI. The UE2 obtains the system information of the SIB3 and the SIB4 from the on-demand system information response message, and the UE3 obtains the system information of the SIB3 and the SIB5 from the on-demand system information response message. The UE 4 obtains system information of SIB3, SIB4, SIB5, and SIB6 from the on-demand system information response message. The UE4 checks whether it contains the system information SIB5 and SIB6 that it needs. Because it is included, the UE4 has acquired the required system information.
  • the user terminal 500 includes a first obtaining module 501 and a second acquiring module 502.
  • the first obtaining module 501 is configured to acquire broadcast period information of the on-demand system information of the network side device.
  • the second obtaining module 502 is configured to acquire the on-demand system information sent by the network side device according to the broadcast period information.
  • the second obtaining module 502 is configured to receive system information that is periodically broadcast by the network side device, where the system information of the periodic broadcast includes broadcast period information of the on-demand system information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the user terminal 500 further includes a sending module 503, where the sending module 503 is configured to send an on-demand system information request message to the network side device, where the on-demand system information request message is used. Requesting the on-demand system information required by the user terminal; the second obtaining module 502 is configured to receive an on-demand system information response message sent by the network side device when a broadcast period of the next on-demand system information arrives .
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index
  • the second obtaining module 502 is further configured to search, from the saved system information table, the on-demand system information corresponding to the system information table index.
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal;
  • the on-demand system information corresponding to the system information table index further includes all or part of on-demand system information required by other user terminals, or the on-demand system information corresponding to the system information table index does not include An on-demand system required by other user terminals.
  • the sending module 503 is configured to send an on-demand system information request message to the network side device when the user terminal only receives the broadcast period information; or the sending module 503 is configured to: Sending the on-demand system information request message to the network side device when the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives without the on-demand system information broadcast transmission; or the sending The module 503 is configured to: when the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal does not receive the broadcast period in the broadcast period.
  • the user terminal needs The on-demand system information is sent to the network side device to send an on-demand system information request message; or the sending module 503 is configured to: if the user terminal receives the broadcast indication information, indicate the next on-demand system information
  • the on-demand system information broadcasted by the broadcast period does not include the on-demand system information required by the user terminal, and the on-demand system information request message is sent to the network side device.
  • the sending module 503 is configured to send an on-demand system information request message to the network side device by using a message 3 (Msg3) of the random access procedure; or the sending module 503 is configured to send the network side device to the network side device by using an RRC message. Sending an on-demand system information request message; or sending module 503 is configured to send an on-demand system information request message to the network side device by using a MAC CE.
  • Msg3 message 3 of the random access procedure
  • RRC message Sending an on-demand system information request message
  • sending module 503 is configured to send an on-demand system information request message to the network side device by using a MAC CE.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the user terminal 500 further includes a third obtaining module 504, where the third acquiring module 504 is configured to obtain mapping relationship information between the uplink signal and the on-demand system information;
  • the network side device sends an uplink signal, where the uplink signal has a mapping relationship with on-demand system information required by the user terminal.
  • the second obtaining module 502 is configured to: when the broadcast indication information indicates that the broadcast period of the next on-demand system information arrives, the on-demand system information broadcast is sent, and arrives in the broadcast cycle of the next on-demand system information.
  • Receiving the on-demand system information broadcasted by the network side device where: the network side device broadcasts the transmitted on-demand system information, including all or part of the on-demand system information required by the user terminal, or does not include The system information required by the user terminal; and the on-demand system information broadcasted by the network side device further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand required by other user terminals.
  • System information is configured to: when the broadcast indication information indicates that the broadcast period of the next on-demand system information arrives, the on-demand system information broadcast is sent, and arrives in the broadcast cycle of the next on-demand system information.
  • the user terminal performs a next on-demand system information broadcast sending process.
  • the user terminal 500 may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment of the disclosure may be used in this embodiment.
  • the above-mentioned user terminal 500 in the embodiment is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • the network side device 800 includes a first broadcast module 801 and a second broadcast module 802 .
  • the first broadcast module 801 is configured to periodically broadcast system information, where the system information of the periodic broadcast includes broadcast period information of the on-demand system information of the network side device.
  • the second broadcast module 802 is configured to broadcast and transmit the on-demand system information of the network side device according to the broadcast period information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the network side device 800 further includes a receiving module 803, where the receiving module 803 is configured to receive an on-demand system information request message sent by the user terminal, where the on-demand system information request message is used to request The on-demand system information required by the user terminal; the second broadcast module 802 is configured to broadcast and send an on-demand system information response message when a broadcast period of the next on-demand system information arrives.
  • the receiving module 803 is configured to receive an on-demand system information request message sent by the user terminal, where the on-demand system information request message is used to request The on-demand system information required by the user terminal;
  • the second broadcast module 802 is configured to broadcast and send an on-demand system information response message when a broadcast period of the next on-demand system information arrives.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index, so that the user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table;
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include the System information required by the user terminal; and the on-demand system information corresponding to the system information table index further includes all or part of on-demand system information required by other user terminals, or the system information table
  • the on-demand system information corresponding to the index does not include the on-demand system required by other user terminals.
  • the receiving module 803 is configured to: if the user terminal only receives the broadcast period, receive an on-demand system information request message sent by the user terminal; or the receiving module 803 is configured to receive, if the user terminal receives Receiving the broadcast indication information indicating that the next on-demand system information broadcast cycle does not have the on-demand system information broadcast transmission, and receiving the on-demand system information request message sent by the user terminal; or the receiving module 803 is used to The broadcast indication information received by the user terminal indicates that the broadcast of the next on-demand system information arrives when there is an on-demand system information broadcast, but the user terminal does not receive the user terminal in the broadcast period.
  • the on-demand system information receives the on-demand system information request message sent by the user terminal; or the receiving module 803 is configured to: if the user terminal receives the broadcast indication information, indicate the next on-demand system information broadcast The on-demand system information broadcasted when the period arrives does not include the on-demand system information required by the user terminal. System information needed by the user terminal receiving the request message sent.
  • the receiving module 803 is configured to receive an on-demand system information request message sent by the user terminal by using the Msg3 of the random access procedure, or the receiving module 803 is configured to receive the on-demand sent by the user terminal by using an RRC message.
  • the system information request message; or the receiving module 803 is configured to receive an on-demand system information request message sent by the user terminal by using a MAC CE.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the system information of the periodic broadcast further includes mapping relationship information between the uplink signal and the on-demand system information;
  • the receiving module 803 is configured to receive an uplink signal sent by the user terminal, where the uplink signal is There is a mapping relationship between the on-demand system information required by the user terminal.
  • the network side device 800 may be the network side device in any of the method embodiments in the embodiment of the disclosure, and any implementation manner of the network side device in the method embodiment in the embodiment of the disclosure It can be implemented by the above network side device 800 in this embodiment, and achieve the same beneficial effects, and details are not described herein again.
  • an embodiment of the present disclosure provides a structure of another user terminal, where the user terminal includes The processor 1000, the transceiver 1010, the memory 1020, the user interface 1030, and the bus interface, wherein: the processor 1000 is configured to read a program in the memory 1020 and perform the following process through the transceiver 1010: acquiring an on-demand of the network side device The broadcast cycle information of the system information is obtained, and the on-demand system information sent by the network side device is acquired according to the broadcast cycle information, wherein the transceiver 1010 is configured to receive and send data under the control of the processor 1000.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 1000 and various circuits of memory represented by memory 1020.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the transceiver 1010 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 1030 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1000 is responsible for managing the bus architecture and general processing, and the memory 1020 can store data used by the processor 1000 in performing operations.
  • the acquiring a broadcast period of the on-demand system information of the network side device includes: receiving, by the transceiver 1010, system information of the network side device periodic broadcast, where the system information of the periodic broadcast includes the on-demand The broadcast period of system information.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the processor 1000 is further configured to send, by using the transceiver 1010, the button to the network side device.
  • a system information request message the on-demand system information request message is used to request on-demand system information required by the user terminal, and the on-demand information sent by the network side device is obtained according to the broadcast period information.
  • the system information includes: receiving, by the transceiver 1010, an on-demand system information response message sent by the network side device when a broadcast period of the next on-demand system information arrives.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index
  • the user terminal acquires the on-demand system information sent by the network side device according to the broadcast period information, and further includes: the user terminal Searching for the on-demand system information corresponding to the system information table index from the saved system information table; wherein the on-demand system information corresponding to the system information table index includes all required by the user terminal Or part of the on-demand system information, or does not include the system information required by the user terminal; and the on-demand system information corresponding to the system information table index further includes all or part of the on-demand required by other user terminals.
  • the system information, or the on-demand system information corresponding to the system information table index does not include the on-demand system information required by other user terminals.
  • the sending the on-demand system information request message to the network side device includes: if the user terminal only receives the broadcast period information, sending, by the transceiver 1010, the network side device The system information request message; or if the broadcast indication information received by the user terminal indicates that the broadcast of the next on-demand system information arrives without the on-demand system information broadcast transmission, then the transceiver 1010 is sent to the network side.
  • the device sends an on-demand system information request message; or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal is Receiving the on-demand system information required by the user terminal in the broadcast period, sending the on-demand system information request message to the network side device through the transceiver 1010; or if the user terminal receives the broadcast indication
  • the information indicates that the on-demand system information broadcasted by the broadcast cycle of the next on-demand system information does not include Said demand system information needs of the user terminal, through the transceiver 1010
  • the network side device sends an on-demand system information request message.
  • the sending the on-demand system information request message to the network side device includes: sending, by the transceiver 1010, the on-demand system to the network side device in message 3 (Msg3) of the random access procedure
  • the information request message is sent to the network side device by the transceiver 1010 or the on-demand system information request message is sent by the transceiver 1010 to the network side device.
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the processor 1000 is further configured to obtain mapping relationship information between the uplink signal and the on-demand system information.
  • the sending the on-demand system information request message to the network side device includes: sending, by the transceiver 1010, an uplink signal to the network side device, where the uplink signal and the on-demand system required by the user terminal The information has a mapping relationship.
  • the acquiring the on-demand system information sent by the network side device according to the broadcast period includes: if the broadcast indication information indicates that a broadcast period of the next on-demand system information arrives, there is an on-demand The system information broadcast is transmitted, and the on-demand system information broadcasted by the network side device is received by the transceiver 1010 when the broadcast cycle of the next on-demand system information arrives, wherein: the network side device broadcasts and sends the on-demand system.
  • the information includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal; and the on-demand system information broadcasted by the network side device further includes required by other user terminals. All or part of the on-demand system information, or does not include the on-demand system information required by other user terminals.
  • the method further includes: if the user terminal does not receive the network in a broadcast cycle of the next on-demand system information The feedback returned by the side device performs the next on-demand system information broadcast transmission process.
  • the foregoing user terminal may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment in the embodiment of the disclosure may be implemented by the implementation.
  • the above-mentioned user terminal in the example is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • a network side device is shown, where the network side device includes: a processor 1100, The transceiver 1110, the memory 1120, the user interface 2110, and the bus interface, wherein the processor 1100 is configured to read a program in the memory 1120 and perform the following process through the transceiver 1110: system information of the periodic broadcast, wherein the periodic broadcast
  • the system information includes broadcast period information of the on-demand system information of the network side device; and the on-demand system information of the network side device is broadcasted according to the broadcast period information; wherein the transceiver 1110 is used by the processor 1100. Receive and send data under control.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 1100 and various circuits of memory represented by memory 1120.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the transceiver 1110 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 2110 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 can store data used by the processor 1100 in performing operations.
  • the system information of the periodic broadcast further includes broadcast indication information of the on-demand system information.
  • the broadcast indication information is used to indicate whether there is an on-demand system information broadcast transmission when a broadcast period of the next on-demand system information arrives.
  • the broadcast indication information is used to indicate which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast indication information indicates, in an index list or a bitmap manner, which on-demand system information is broadcasted when the broadcast cycle of the next on-demand system information arrives.
  • the broadcast period information includes: a system information period, a starting point, and a system information time window.
  • the processor 1100 receives, by the transceiver 1110, an on-demand system information request message sent by the user terminal, where the on-demand system information request message is used to request on-demand system information required by the user terminal. Transmitting, according to the broadcast period information, the sending of the network side device The required system information includes: transmitting, by the transceiver 1110, an on-demand system information response message when the next on-demand system information broadcast period arrives.
  • the on-demand system information response message includes all or part of the on-demand system information required by the user terminal, or the on-demand system information response message does not include system information required by the user terminal;
  • the on-demand system information response message further includes all or part of the on-demand system information required by other user terminals, or does not include the on-demand system information required by other user terminals.
  • the on-demand system information response message includes a system information table index, so that the user terminal searches for the on-demand system information corresponding to the system information table index from the saved system information table;
  • the on-demand system information corresponding to the system information table index includes all or part of the on-demand system information required by the user terminal, or does not include system information required by the user terminal;
  • the on-demand system information corresponding to the system information table index further includes all or part of the on-demand system information required by other user terminals, or the on-demand system information corresponding to the system information table index does not include other users.
  • the on-demand system that the terminal needs.
  • the receiving the on-demand system information request message sent by the user terminal if the user terminal only receives the broadcast period information, receiving, by the transceiver 1110, the button sent by the user terminal The required system information request message; or if the broadcast indication information received by the user terminal indicates that the broadcast of the next on-demand system information arrives without the on-demand system information broadcast transmission, the user is received by the transceiver 1110.
  • the on-demand system information request message sent by the terminal or if the broadcast indication information received by the user terminal indicates that the broadcast period of the next on-demand system information arrives, there is an on-demand system information broadcast transmission, but the user terminal Receiving the on-demand system information required by the user terminal in the broadcast period, receiving the on-demand system information request message sent by the user terminal through the transceiver 1110; or if the user terminal receives the broadcast
  • the indication information indicates that the next on-demand system information broadcasts the on-demand system when the broadcast period arrives
  • Information does not include on-demand system needs information of the user terminal, the receiving system demand information of the user terminal sends a request message 1110 through the transceiver.
  • the receiving the on-demand system information request message sent by the user terminal includes: receiving, by the transceiver 1110, the on-demand sending by the user terminal by using a random access procedure of Msg3 Receiving, by the transceiver 1110, the on-demand system information request message sent by the user terminal through the RRC message; or receiving, by the transceiver 1110, the on-demand system information request message sent by the user terminal by using the MAC CE .
  • the system information request message includes a list of information about the on-demand system information required by the user terminal.
  • the system information of the periodic broadcast further includes mapping relationship information between the uplink signal and the on-demand system information.
  • Receiving the on-demand system information request message sent by the user terminal including: receiving, by the transceiver 1110, an uplink signal sent by the user terminal, where the uplink signal and an on-demand system required by the user terminal The information has a mapping relationship.
  • the network side device may be the network side device in any of the method embodiments in the embodiment of the disclosure, and any implementation manner of the network side device in the method embodiment in the embodiment of the disclosure may be used. It is implemented by the above network side device in this embodiment, and achieves the same beneficial effects, and details are not described herein again.
  • the disclosed method and apparatus 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.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), and a random access.
  • a variety of media that can store program code such as a memory (Random Access Memory, RAM), a disk, or an optical disk.

Abstract

L'invention concerne un procédé de transmission d'informations système (SI), un équipement utilisateur (UE) et un dispositif côté réseau. Le procédé comprend les étapes suivantes : l'UE acquiert des informations de cycle de diffusion de SI à la demande du dispositif côté réseau ; l'UE acquiert, selon les informations de cycle de diffusion, les SI à la demande transmises par le dispositif côté réseau.
PCT/CN2017/102582 2016-09-29 2017-09-21 Procédé de transmission d'informations de système, équipement utilisateur et dispositif côté réseau WO2018059294A1 (fr)

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CN201610867874.6 2016-09-29
CN201610867874.6A CN107889192B (zh) 2016-09-29 2016-09-29 一种系统信息传输方法、用户终端和网络侧设备

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Cited By (2)

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