WO2019213912A1 - Procédé et appareil de communication radio - Google Patents

Procédé et appareil de communication radio Download PDF

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Publication number
WO2019213912A1
WO2019213912A1 PCT/CN2018/086370 CN2018086370W WO2019213912A1 WO 2019213912 A1 WO2019213912 A1 WO 2019213912A1 CN 2018086370 W CN2018086370 W CN 2018086370W WO 2019213912 A1 WO2019213912 A1 WO 2019213912A1
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WIPO (PCT)
Prior art keywords
system information
information block
message
network device
information message
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Application number
PCT/CN2018/086370
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English (en)
Chinese (zh)
Inventor
杨宁
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880084130.4A priority Critical patent/CN111512671B/zh
Priority to PCT/CN2018/086370 priority patent/WO2019213912A1/fr
Priority to TW108115955A priority patent/TW201947964A/zh
Publication of WO2019213912A1 publication Critical patent/WO2019213912A1/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
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection

Definitions

  • the present application relates to the field of communications and, more particularly, to a method and apparatus for wireless communication.
  • the minimum system information (SI) can be divided into two parts, namely, the main information block (MIB) and the system information block (System). Information Block, SIB).
  • the MIB can be transmitted in a Physical Broadcasting Channel (PBCH), and the SIB can be transmitted in a Physical Downlink Shared Channel (PDSCH).
  • PBCH Physical Broadcasting Channel
  • PDSCH Physical Downlink Shared Channel
  • SIB can be divided into multiple SIBs and will continue to increase, different SIBs may have different attributes and periods and sizes. Therefore, how to implement the SIB transmission in the 5G system is still inconclusive.
  • the embodiment of the present application provides a wireless communication method and device, and provides a sending manner of an SIB in a 5G system.
  • a wireless communication method including:
  • the network device broadcasts the first system information message by using a physical downlink shared channel, where the first system information message includes a first system information block requested on demand and a second system information block that is not requested on demand; wherein the first system The information block is transmitted in the same cycle as the second system information block.
  • the network device broadcasts the first system information message by using the PDSCH, where the first system information message includes a first SIB requested on demand and a second SIB that is not requested on demand; wherein the first SIB The transmission period is the same as that of the second SIB, thereby saving the overhead of the system information message.
  • the method before the network device broadcasts the first system information message by using the physical downlink shared channel, the method further includes:
  • the network device receives a request message sent by the terminal, where the request message is used to request the first system information block.
  • the method further includes:
  • the network device broadcasts a second system information message by using a physical downlink shared channel, where the second system information message includes a third system information block that is not requested on demand, the third system information block and the second system information block
  • the sending period is the same.
  • the second system information block and the third system information block are configured in the same system information message. Sent in.
  • the method further includes:
  • the method before the network device broadcasts the first system information message by using the physical downlink shared channel, the method further include:
  • the network device Determining, by the network device, that the first system information block is the same as the sending period of the second system information block, where the network device does not receive the request message sent by the terminal for requesting the first system information block .
  • the method further includes:
  • the stopping, the first system information block and the second system information block are the same Sent in the system information message, including:
  • the first system information block and the second system information block are stopped from being transmitted in the same system information message.
  • the method further includes:
  • the first system information block is broadcast based on the request message.
  • the broadcasting the first system information message includes:
  • the broadcasting the first system information message includes:
  • a wireless communication method including:
  • the network device broadcasts the first system information message by using a physical downlink shared channel
  • the first system information message includes a first system information block requested on demand
  • the second system information message includes a second system information block that is not requested on demand
  • the transmission period of the two system information blocks is the same.
  • the SIB of the same on-demand request and the SIB of the non-on-demand request are separately transmitted, and the transmission of the unnecessary on-demand SIB can be reduced.
  • the method further includes:
  • Determining that the first system information block and the second system information block need to be carried in different system information messages based on at least one of the following:
  • the method before the network device broadcasts the first system information message by using the physical downlink shared channel, the method further include:
  • the network device sends the system information message at a frequency less than a specific value.
  • a wireless communication method including:
  • the first system information block is the same as the transmission period of the second system information block.
  • the network device broadcasts the first system information message by using the PDSCH, where the first system information message includes a first SIB requested on demand and a second SIB that is not requested on demand; wherein the first SIB The transmission period is the same as that of the second SIB, thereby saving the overhead of the system information message.
  • the method before the acquiring, by the terminal, the first system information message that is broadcast by the network device by using the physical downlink shared channel, the method further includes:
  • the terminal sends a request message to the network device, where the request message is used to request the first system information block.
  • the method further includes:
  • the terminal Receiving, by the terminal, a second system information message that is broadcast by the network device by using a physical downlink shared channel, where the second system information message includes a third system information block that is not requested on demand, the third system information block and the The transmission period of the second system information block is the same.
  • the second system information block and the third system information block are configured in the same system information message. Sent in.
  • the first system information message is that the network device determines the first system information block And sending, when the sending period of the second system information block is the same, where the terminal does not send a request message for requesting the first system information block.
  • the method further includes:
  • the terminal When determining that the first system information block is needed, the terminal sends a request message to the network device, for requesting the first system information block;
  • the terminal receives the broadcasted first system information message.
  • a wireless communication method including:
  • the first system information message includes a first system information block requested on demand
  • the second system information message includes a second system information block that is not requested on demand
  • the transmission period of the two system information blocks is the same.
  • the SIB of the same on-demand request and the SIB of the non-on-demand request are separately transmitted, and the transmission of the unnecessary on-demand SIB can be reduced.
  • the method before the receiving, by the terminal, the first system information message that the network device broadcasts through the physical downlink shared channel, the method further includes:
  • the terminal sends a request message to the network device, where the request message is used to request the first system information block.
  • the network device sends the system information message at a frequency less than a specific value.
  • a network device for performing the method of the first or second aspect or the implementations thereof.
  • the network device comprises functional modules for performing the method of the first or second aspect described above or the implementations thereof.
  • a terminal is provided for performing the method of the third or fourth aspect or the implementations thereof.
  • the terminal includes functional modules for performing the method of the third or fourth aspect described above or the implementations thereof.
  • a network device including a processor and a memory.
  • the memory is for storing a computer program for invoking and running a computer program stored in the memory, performing the method of the first or second aspect or the implementations thereof.
  • a terminal including a processor and a memory.
  • the memory is for storing a computer program for invoking and running a computer program stored in the memory to perform the method of the third or fourth aspect or embodiments thereof.
  • a chip is provided for implementing the method of any of the above first to fourth aspects or the implementations thereof.
  • the chip includes: a processor for calling and running a computer program from the memory, such that the device on which the chip is mounted performs the method of any one of the above first to fourth aspects or the implementation manners thereof .
  • a tenth aspect a computer readable storage medium for storing a computer program, the computer program causing a computer to perform the method of any one of the first to fourth aspects described above or the implementations thereof.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to perform the method of any one of the first to fourth aspects above or the implementations thereof.
  • a computer program which, when run on a computer, causes the computer to perform the method of any one of the first to fourth aspects described above or the implementations thereof.
  • a thirteenth aspect a communication system is provided, including a network device and a terminal; wherein
  • the network device is configured to: broadcast, by using a physical downlink shared channel, a first system information message, where the first system information message includes a first system information block that is requested on demand and a second system information block that is not requested on demand;
  • the first system information block is the same as the second system information block;
  • the terminal is configured to: acquire, by using the physical downlink shared channel, the first system information message that is broadcast by the network device.
  • the network device is configured to perform the method in the foregoing first aspect or each implementation manner thereof, and the terminal is configured to perform the method in the foregoing third aspect or each implementation manner thereof.
  • a communication system including a network device and a terminal; wherein
  • the network device is configured to: broadcast a first system information message by using a physical downlink shared channel; and broadcast a second system information message that is not the first system information message by using a physical downlink shared channel; where the first system information message includes a first system information block that is requested on demand, the second system information message includes a second system information block that is not requested on demand, and the first system information block and the second system information block have the same transmission period;
  • the terminal is configured to: receive the first system information message that is broadcast by the network device by using the physical downlink shared channel, and receive the second system information message that is broadcast by the network device by using the physical downlink shared channel.
  • the network device is configured to perform the method in the foregoing second aspect or each implementation manner thereof
  • the terminal is configured to perform the method in the foregoing fourth aspect or each implementation manner thereof.
  • FIG. 1 is a schematic diagram of a wireless communication system implemented in accordance with the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a manner of transmitting an SIB according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a manner of transmitting an SIB according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a manner of transmitting an SIB according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a terminal according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a chip in accordance with an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system in accordance with an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 100 can be a device that communicates with a terminal device.
  • Network device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
  • the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
  • PLMN Public Land Mobile Network
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a functional handheld device a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved PLMN, or the like.
  • D2D device to device communication
  • D2D device to device
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • SI system information
  • the SIB may be classified into Remaining Minimum System Information (RMSI) and other System Information (OSI).
  • RMSI Remaining Minimum System Information
  • OSI System Information
  • the SIB may include SIB1, SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, and SIB9.
  • the SIB1 may include parameters of whether the terminal can access one cell and scheduling information of other system information blocks, for example, how the SIB and the system information message (SI message) are mapped.
  • the SIB1 may further include radio resource configuration information that is commonly required by the terminals in the cell.
  • SIB2 may include cell reselection information suitable for co-frequency, inter-frequency and cross-radio access technology (RAT), and information of co-frequency cell reselection independent of neighbor cells.
  • RAT cross-radio access technology
  • the SIB3 may include intra-frequency reselection information related to the neighboring cell, and may specifically include a cell-specific reselection parameter and a blacklisted cell.
  • the SIB4 may include inter-frequency cell reselection information and parameter information related to the inter-frequency neighboring cell.
  • SIB5 may include cross-RAT cell reselection information, as well as RAT-specific (e.g., neighboring cell related parameter information of Evolved Universal Terrestrial Radio Access (E-UTRA)).
  • E-UTRA Evolved Universal Terrestrial Radio Access
  • SIB6, SIB7, and SIB8 may include information related to the Earthquake and Tsunami Warning System (ETWS) and the Commercial Mobile Alert System (CMAS).
  • ETWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert System
  • the SIB9 includes information related to the Global Positioning System (GPS) and Universal Time Coordinated (UTC).
  • GPS Global Positioning System
  • UTC Universal Time Coordinated
  • SIB may be other SIBs in addition to the above SIB1-9.
  • the RMSI may include SIB1
  • the OSI may include SIB2-9.
  • the OSI may also be classified into an on-demand SIB (also referred to as an on-demand SIB) and an unsolicited SIB (non-on-demand SIB). (Also known as non-on-demand SIB).
  • the SIB can be configured to request the network device to send the SIB when the terminal needs the SIB.
  • the SIB that is not required to be requested can be understood as not requiring the terminal to request the SIB from the network device, and the network device can actively broadcast to the terminal.
  • the OSI may also be classified into an on-demand SIB (also referred to as an on-demand SIB) and an unsolicited SIB (non-on-demand SIB). (Also known as non-on-demand SIB).
  • the on-demand SIB may include at least one of the foregoing SIB2-9, and the non-on-demand SIB may include at least one of the foregoing SIB2-9.
  • the reason for introducing the on-demand SIB and the non-on-demand SIB is that more resources are needed as the service development requires more SIBs.
  • the minimum granularity of the SIB requested by the terminal to request the on-demand may be a System Information (SI) message.
  • SI System Information
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
  • the method 200 is optionally applicable to the system shown in FIG. 1, but is not limited thereto. As shown in FIG. 2, the method 200 includes at least some of the following.
  • the network device broadcasts a first system information message by using a PDSCH, where the first system information message includes a first SIB requested on demand and a second SIB that is not requested on demand; wherein the first SIB and the second SIB The sending period is the same.
  • the terminal acquires the first system information message broadcast by the network device through the PDSCH.
  • the first SIB and the second SIB may be carried in the same system information message, where the system information is
  • the message may include one or more on-demand SIBs and one or more non-on-demand SIBs.
  • SIBa, SIBb, and SIBc of the same transmission period may be placed in the same SI message 1, and SIBd, SIBe, and SIBf of the same transmission period are placed in the same SI message 2, where the padding is filled.
  • the SIBs represented are SIBs that are requested on demand, and the SIBs that are not populated are non-on-demand requests.
  • the number of SIBs and/or specific SIBs in the first system information message may be determined according to the number of bits that the first system information message can carry, the priority of each SIB, and the size of the resources that can be occupied. .
  • the terminal before the terminal acquires the first system information message broadcast by the network device by using the PDSCH, the terminal sends a request message to the network device, where the request message is used to request the first SIB.
  • the network device receives the request message sent by the terminal, and broadcasts the first system information message through the PDSCH based on the request message.
  • the first SIB when the terminal needs the first SIB, the first SIB may be requested by the network device, and after receiving the request message, the network device may determine, by the network device, a sending period of the first SIB and other non-on-demand items to be sent.
  • the sending period of the requested SIB is the same, and the first SIB is sent together with other SIBs of the same period of non-on-demand request.
  • the network device maps the system information blocks to a system information message that has been periodically broadcast. Thereby, the number of system messages can be saved and the unnecessary system broadcast information blocks can be reduced.
  • the network device broadcasts a second system information message by using a PDSCH, where the second system information message includes a third SIB that is not requested on demand, and the third SIB and the second SIB are sent.
  • the cycle is the same.
  • the terminal receives a second system information message broadcast by the network device through the PDSCH, where the second system information message includes a third SIB that is not requested on demand.
  • the multiple SIBs may be divided into different system information messages. Therefore, the terminal can obtain the SIB of the same non-on-demand request of the same period from different system information messages.
  • the second SIB and the third SIB are configured to be sent in the same system information message.
  • the second SIB and the third SIB with the same transmission period may be configured in the same system information message, but the first device may receive the first SIB request message requested by the terminal.
  • the SIB and the second SIB are sent in the same system information message, and the third SIB is sent to other system information messages for transmission.
  • the network device may determine, according to at least one of the following, that the first SIB and the second SIB are to be carried in the same system information message:
  • the first SIB and the second SIB may be placed in the same system information message.
  • the first SIB and the second SIB may be placed in the same system information message.
  • the current first system information message can carry the first SIB and the second SIB
  • the first SIB and the second SIB can be placed in the same system information message.
  • the network device may determine, according to at least one of the following, that the first SIB and the second SIB are to be in the same system information message, and the second SIB and the The third SIB is carried in different system information messages:
  • the first SIB and the second SIB may be carried in the same system information message. And carrying the third SIB in another system information message.
  • the first SIB and the second may be used.
  • the SIB is carried in the same system information message and carries the third SIB in another system information message.
  • the first SIB may be And carrying the same system information message with the second SIB, and carrying the third SIB in another system information message.
  • SIB1 when the mapping relationship of the SIB in the system information message is changed, SIB1 (RMSI) may be sent to indicate a new mapping relationship between the SIB and the system information message.
  • the SIB may be affected to be remapped, and the terminal may also need to reacquire SIB1 and other system information messages.
  • the network device determines that the first SIB is sent in the same period as the second SIB, where the network device does not receive A request message sent to the terminal for requesting the first SIB.
  • the network device does not need to receive the request message for the terminal to request a certain SIB, and if the SIB is determined to be the same as the sending period of the non-on-demand SIB, the SIB can be the same as the sending period.
  • the on-demand SIB is sent in the same system information message.
  • the information indicating the on-demand SIBs in the system information scheduling information list may be understood by the terminal as “on-demand system information that does not need to be requested”.
  • the on-demand SIB can be mapped to the same SI message of the same non-on-demand SIB.
  • the network device may also stop the manner in which the first SIB and the second SIB are actively sent in the same system information message.
  • the sending of the first SIB and the second SIB in the same system information message is stopped.
  • the first SIB is further broadcast to the terminal only after receiving the request of the terminal device for the first SIB.
  • the terminal determines that the network device stops sending the first SIB and the second SIB in the same system information message; when determining that the first SIB is needed, the terminal sends the network to the network The device sends a request message for requesting the first SIB.
  • the SIB may be requested from the network device.
  • the system information block of the on-demand request that the terminal broadcasts (and therefore is not triggered by the system information request of the terminal) that has been broadcast together with the system information block that is not requested on demand needs to be distinguishable.
  • the base station stops broadcasting the system information block broadcast of the on-demand request in order to save the broadcast capacity, the base station may initiate the system information request in time.
  • the terminal can discern the missing system information block requested on demand, the system information block of the on-demand request can be preferentially requested and acquired, because other broadcast system information may not change.
  • the network device receives the request of the terminal for the first SIB, the first SIB and the second SIB may be sent in the same system information message. Thereby the terminal can receive the first SIB and the second SIB in the same system information.
  • the first SIB and the second SIB may also be sent in different system information messages.
  • the terminal can receive the first SIB and the second SIB in different system information messages.
  • SIBs with lower priority some SIBs (for example, SIBs with lower priority) may not be pressed by the terminal when requested by the terminal.
  • the SIB to be requested is sent in the same system information message, and the other SIBs (for example, the SIB with higher priority) can be the SIB of the SIB and the on-demand request even if the request message for the SIB is not received. Sent in the same system information message.
  • the network device broadcasts the first system information message by using the PDSCH, where the first system information message includes a first SIB requested on demand and a second SIB that is not requested on demand; wherein the first SIB The transmission period is the same as that of the second SIB, thereby saving the overhead of the system information message.
  • FIG. 4 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application.
  • the method 300 can optionally be applied to the system shown in Figure 1, but is not limited thereto. As shown in FIG. 4, the method 300 includes at least some of the following.
  • the network device broadcasts the first system information message over the PDSCH.
  • the first system information message includes a first SIB requested on demand.
  • the first system information message may include multiple on-demand SIBs with the same transmission period.
  • the terminal receives a first system information message broadcast by the network device over the PDSCH.
  • the network device broadcasts a second system information message that is not the first system information message over the PDSCH.
  • the second system information message includes a second SIB that is not requested on demand, and the first SIB has the same transmission period as the second SIB.
  • the second system information message may include multiple unsupplied SIBs with the same transmission period.
  • the terminal receives a second system information message broadcast by the network device over the PDSCH.
  • SIBa, SIBb, and SIBc of the same transmission period are placed in different SI messages, wherein the SIBa and SIBb requested on demand are placed in SI message 1, and the SIBc that is not requested on demand is placed in another SI.
  • SIBd, the SIBe, and the SIBf of the same transmission period are placed in different SI messages, wherein the SIBe and the SIBf that are not requested on demand are placed in the SI message 4, and the SIBd that is requested on demand is placed in another SI message 3.
  • the SIB with the padded squares is the SIB on demand
  • the unfilled is the SIB that is not requested on demand.
  • the network device may determine, according to at least one of the following, that the first SIB and the second SIB are to be carried in different system information messages:
  • the priority of the first SIB and the second information block The priority of the first SIB and the second information block; the size of the available system resources; the size of the system information message.
  • the first SIB and the second SIB may be carried in different system information messages.
  • the first SIB and the second SIB may be carried in different system information messages.
  • the first SIB and the second SIB may be carried in different system information messages.
  • the terminal before the terminal receives the first system information message broadcast by the network device by using the PDSCH, the terminal sends a request message to the network device, where the request message is used to request the first SIB.
  • the network device can then broadcast the first SIB to the terminal based on the request message.
  • the frequency at which the network device sends the system information message is less than a specific value.
  • the first SIB and the second SIB with the same period are separately sent in different system information messages, when the frequency at which the network device sends the system information message is high.
  • the SIB of the same on-demand request and the SIB of the non-on-demand request may be sent in the same system information message to reduce the complexity of the scheduling.
  • the SIB of the same on-demand request and the SIB of the non-on-demand request are separately transmitted, and the transmission of the unnecessary on-demand SIB can be reduced.
  • SIBh, SIBi, and SIBk are SIBs with the same transmission period, where SIBk is an on-demand SIB, and the terminal requests to perform SIBk transmission, and SIBh and SIBi may be SIBs that are not requested on demand.
  • the sending manners of SIBh, SIBi, and SIBk may be as shown in FIG. 6 .
  • SIBh, SIBi, and SIBk can be sent in the same SI message 1.
  • SIBh if the capacity of the SI message is sufficient to accommodate the SIBk except SIBh and SIBi, SIBh, SIBi, and SIBk may be sent in the same SI message.
  • SIBh and SIBi can be sent in the same SI message 2, and the SIBk can be sent in another SI message 3.
  • the SIBk may be transmitted using the new SI.
  • SIBh and SIBk can be sent in the same SI message 4, and SIBi can be sent in another SI message 5.
  • the SIBk may be transmitted using the new SI. Priority is given to the SIBk requirement, SIBh and SIBk can be sent together, and SIBi is remapped to another SI message for transmission.
  • the SIB of the same period and the SIB of the non-on-demand request are provided.
  • FIG. 7 is a schematic block diagram of a network device 400 in accordance with an embodiment of the present application.
  • the network device 400 includes a processing unit 410 and a transceiver unit 420;
  • the processing unit 410 is configured to: generate a first system information message, where the first system information message includes a first system information block requested on demand and second system information that is not requested on demand; wherein the first system The information block is transmitted in the same cycle as the second system information block;
  • the transceiver unit 420 is configured to: broadcast the first system information message by using a physical downlink shared channel.
  • the transceiver unit 420 is further configured to:
  • the processing unit 410 is further configured to:
  • the second system information message includes a third system information block that is not requested on demand, and the third system information block has the same transmission period as the second system information block;
  • the transceiver unit 420 is further configured to: broadcast the second system information message by using a physical downlink shared channel.
  • the second system information block and the third system information block are configured to be sent in the same system information message.
  • the processing unit 410 is further configured to:
  • the processing unit 410 is further configured to:
  • the transceiver unit 420 Determining that the first system information block is the same as the sending period of the second system information block, wherein the transceiver unit 420 does not receive the request message sent by the terminal for requesting the first system information block.
  • the transceiver unit 420 is further configured to:
  • the transceiver unit 420 is further configured to:
  • the first system information block and the second system information block are stopped from being transmitted in the same system information message.
  • the transceiver unit 420 is further configured to:
  • the first system information block is broadcast based on the request message.
  • the transceiver unit 420 is further configured to:
  • the transceiver unit 420 is further configured to:
  • the network device 400 can implement the corresponding operations implemented by the network device in the method 200. For brevity, no further details are provided herein.
  • the processing unit 410 is configured to: generate a first system information message
  • the transceiver unit 420 is configured to: broadcast, by using a physical downlink shared channel, a first system information message;
  • the processing unit 410 is further configured to: generate a second system information message that is not the first system information message;
  • the transceiver unit 420 is further configured to: broadcast the second system information message by using a physical downlink shared channel;
  • the first system information message includes a first system information block requested on demand
  • the second system information message includes a second system information block that is not requested on demand
  • the transmission period of the two system information blocks is the same.
  • the processing unit 410 is further configured to:
  • Determining that the first system information block and the second system information block need to be carried in different system information messages based on at least one of the following:
  • the transceiver unit 420 is further configured to:
  • the frequency at which the network device sends the system information message is less than a specific value.
  • the network device 400 can implement the corresponding operations implemented by the network device in the method 300. For brevity, no further details are provided herein.
  • FIG. 8 is a schematic block diagram of a terminal 500 in accordance with an embodiment of the present application.
  • the terminal 500 includes a transceiver unit 510 and a processing unit 520;
  • the transceiver unit 510 is configured to: acquire, by using a physical downlink shared channel, a first system information message that is broadcast by the network device, where the first system information message includes a first system information block that is requested on demand and a second system that is not requested on demand. An information block, wherein the first system information block and the second system information block have the same transmission period;
  • the processing unit 520 is configured to: acquire the first system information block and the second system information block from the first system information message.
  • the transceiver unit 510 is further configured to:
  • the transceiver unit 510 is further configured to:
  • the network device Receiving, by the network device, a second system information message broadcasted by a physical downlink shared channel, where the second system information message includes a third system information block that is not requested on demand, the third system information block and the second system
  • the sending period of the information block is the same;
  • the processing unit 520 is further configured to: acquire the third system information block from the second system information message.
  • the second system information block and the third system information block are configured to be sent in the same system information message.
  • the first system information message is sent by the network device when determining that the sending period of the first system information block and the second system information block are the same, where The terminal does not send a request message for requesting the first system information block.
  • the processing unit 520 is further configured to:
  • the transceiver unit 510 is further configured to: when determining that the first system information block is needed, send a request message to the network device, to request the first system information block, and
  • terminal 500 can implement corresponding operations implemented by the terminal in the method 200, and details are not described herein for brevity.
  • the transceiver unit 510 is configured to: receive a first system information message that is broadcast by a network device through a physical downlink shared channel, and receive a non-described broadcast by the network device by using a physical downlink shared channel. a second system information message of the first system information message; wherein the first system information message includes a first system information block requested on demand, and the second system information message includes a second system information block that is not requested on demand The first system information block and the second system information block have the same transmission period;
  • the processing unit 520 is configured to: acquire the first system information block from the first system information message, and acquire the second system information block from the second system information message.
  • the transceiver unit 510 is further configured to:
  • the frequency at which the network device sends the system information message is less than a specific value.
  • terminal 500 can implement the corresponding operations implemented by the terminal in the method 300. For brevity, details are not described herein again.
  • FIG. 9 is a schematic block diagram of a communication device 600 according to an embodiment of the present application.
  • the communication device 600 shown in FIG. 9 includes a processor 610 that can call and run a computer program from memory to implement the methods in the embodiments of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, in particular, may send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 630 can include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of the antennas may be one or more.
  • the communication device 600 is a terminal, and the corresponding process implemented by the terminal in each method of the embodiment of the present application may be implemented. For brevity, details are not described herein again.
  • the communication device 600 is a network device, and the corresponding processes implemented by the network device in the methods of the embodiments of the present application may be implemented. For brevity, details are not described herein again.
  • FIG. 10 is a schematic block diagram of a chip 700 in accordance with an embodiment of the present application.
  • the chip 700 shown in FIG. 10 includes a processor 710 that can call and run a computer program from a memory to implement the method in the embodiments of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 or may be integrated in the processor 710.
  • the chip 700 can also include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, information or data sent by other devices or chips can be acquired.
  • the chip 700 can also include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, information or data can be output to other devices or chips.
  • the chip can be applied to the terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal in each method of the embodiment of the present application.
  • the chip can be applied to the terminal in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal in each method of the embodiment of the present application.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system level chip, a system chip, a chip system or a system on chip.
  • FIG. 11 is a schematic block diagram of a communication system 800 in accordance with an embodiment of the present application.
  • the communication system 800 includes a network device 810 and a terminal 820.
  • the network device 810 is configured to: broadcast, by using a physical downlink shared channel, a first system information message, where the first system information message includes an on-demand first system information block and a non-on-demand second system An information block, wherein the first system information block is the same as the second system information block, and the terminal 820 is configured to: acquire, by using the physical downlink shared channel, the first system information that is broadcast by the network device. Message.
  • the network device 810 can be used to implement the corresponding functions implemented by the network device in the foregoing method 200, and the composition of the network device 810 can be as shown in the network device 400 in FIG. 7 or the communication device 600 in FIG. For the sake of brevity, we will not repeat them here.
  • the terminal 820 can be used to implement the corresponding functions implemented by the terminal in the foregoing method 200, and the composition of the terminal 820 can be as shown in the terminal 500 in FIG. 8 or the communication device 600 in FIG. 9, for the sake of brevity. No longer.
  • the network device 810 is configured to: broadcast a first system information message by using a physical downlink shared channel; and broadcast a second system information message that is not the first system information message by using a physical downlink shared channel;
  • a system information message includes a first system information block requested on demand, the second system information message includes a second system information block that is not requested on demand, and the first system information block and the second system information block
  • the sending period is the same;
  • the terminal 820 is configured to: receive the first system information message that is broadcast by the network device by using the physical downlink shared channel, and receive the second that is broadcast by the network device by using the physical downlink shared channel System information message.
  • the network device 810 can be used to implement the corresponding functions implemented by the network device in the foregoing method 300, and the composition of the network device 810 can be as shown in the network device 400 in FIG. 7 or the communication device 600 in FIG. For the sake of brevity, we will not repeat them here.
  • the terminal 820 can be used to implement the corresponding functions implemented by the terminal in the foregoing method 300, and the composition of the terminal 820 can be as shown in the terminal 500 in FIG. 8 or the communication device 600 in FIG. 9, for the sake of brevity. No longer.
  • the processor mentioned above may be a general purpose processor, a digital signal processor (DSP), a field programmable gate array (FPGA), an application specific integrated circuit (ASIC) or Other programmable logic devices, transistor logic devices, discrete hardware components, and the like.
  • DSP digital signal processor
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • Other programmable logic devices transistor logic devices, discrete hardware components, and the like.
  • the above-mentioned general-purpose processor may be a microprocessor or may be any conventional processor or the like.
  • the memory mentioned above may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • ROM read-only memory
  • PROM programmable read only memory
  • EEPROM electrical Erase programmable EPROM
  • flash memory a random access memory (RAM).
  • the memory in the embodiment of the present application may also be a static random access memory (SRAM), a dynamic random access memory (DRAM), or a dynamic random access memory (DRAM).
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM dynamic random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • DDR double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection Synchro link DRAM
  • DR RAM direct memory bus
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne, selon des modes de réalisation, un procédé et un appareil de communication radio qui permettent de transmettre un SIB dans un système 5G. Le procédé comprend les étapes suivantes : un appareil de réseau diffuse un premier message d'informations système par l'intermédiaire d'un canal physique partagé de liaison descendante, le premier message d'informations système comprenant un premier bloc d'informations système d'une requête à la demande et un second bloc d'informations système d'une requête qui n'était pas à la demande, le premier bloc d'informations système et le second bloc d'informations système ayant des périodes de transmission identiques.
PCT/CN2018/086370 2018-05-10 2018-05-10 Procédé et appareil de communication radio WO2019213912A1 (fr)

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CN201880084130.4A CN111512671B (zh) 2018-05-10 2018-05-10 无线通信方法和设备
PCT/CN2018/086370 WO2019213912A1 (fr) 2018-05-10 2018-05-10 Procédé et appareil de communication radio
TW108115955A TW201947964A (zh) 2018-05-10 2019-05-08 無線通訊方法和設備

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