WO2022105776A1 - 主信息块mib的获取方法、装置和终端 - Google Patents

主信息块mib的获取方法、装置和终端 Download PDF

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Publication number
WO2022105776A1
WO2022105776A1 PCT/CN2021/131125 CN2021131125W WO2022105776A1 WO 2022105776 A1 WO2022105776 A1 WO 2022105776A1 CN 2021131125 W CN2021131125 W CN 2021131125W WO 2022105776 A1 WO2022105776 A1 WO 2022105776A1
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measurement gap
information block
ssb
measurement
terminal
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PCT/CN2021/131125
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English (en)
French (fr)
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徐勋华
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展讯通信（上海）有限公司
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Publication of WO2022105776A1 publication Critical patent/WO2022105776A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to, but is not limited to, a method, device and terminal for acquiring a master information block MIB.
  • a system message includes a master information block (MasterInformationBlock, MIB) and a system information block (System Information Block, SIB).
  • MIB MasterInformationBlock
  • SIB System Information Block
  • the network device configures multiple bandwidth parts (Bandwidth Part, BWP) for the terminal.
  • BWP Bandwidth Part
  • the terminal receives the synchronization signal of the current serving cell and the broadcast physical channel block (Synchronization Signal and Physical Broadcast CHannel).
  • block, SSB) and the BWP currently activated by the terminal may not completely overlap, which will cause the terminal to receive data that does not include SSB according to the frequency and bandwidth of the currently activated BWP, making it impossible to obtain MIB through SSB analysis. .
  • a commonly used method is that the terminal receives the SSB with the maximum bandwidth, that is, the SSB is received by the full bandwidth method, so as to obtain the MIB by parsing the SSB.
  • the embodiments of the present invention provide a method, a device and a terminal for obtaining the MIB of the main information block, which solve the problem of poor data decoding performance while obtaining the MIB.
  • an embodiment of the present application provides a method for acquiring a master information block MIB, and the method for acquiring the master information block MIB may include:
  • a target measurement gap is selected from at least one measurement gap; wherein the time slot corresponding to the target measurement gap is the same as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell.
  • Inter-frequency measurement is performed in the target measurement gap to obtain measurement data; wherein, the measurement data includes a synchronization information block SSB.
  • the main information block MIB is obtained by parsing the synchronization information block SSB.
  • the selecting a target measurement gap from at least one measurement gap may include:
  • a measurement gap that overlaps with a time slot used by the terminal to detect the SSB of the current serving cell is determined.
  • the overlapping measurement gap is determined as the target measurement gap.
  • the performing inter-frequency measurement in the target measurement gap includes:
  • the center frequency point used by the terminal to detect the synchronization information block SSB of the current serving cell is determined.
  • Inter-frequency measurements are performed at the center frequency point.
  • the master information block MIB after the master information block MIB is obtained by parsing the SSB, it may further include:
  • the method may further include:
  • At least one measurement gap configured by the network device is received; wherein, the at least one measurement gap is used for inter-frequency measurement.
  • an embodiment of the present application further provides a device for acquiring a master information block MIB, and the device for acquiring the master information block MIB may include:
  • the processing module is configured to select a target measurement gap from at least one measurement gap when receiving the system message update indication; wherein, the time slot corresponding to the target measurement gap is the same as the time when the terminal detects the synchronization information block SSB of the current serving cell. gap is the same.
  • a measurement module configured to perform inter-frequency measurement in the target measurement gap to obtain measurement data; wherein, the measurement data includes a synchronization information block SSB.
  • the processing module is further configured to parse the synchronization information block SSB to obtain the main information block MIB.
  • the processing module is specifically configured to, in the at least one measurement gap, determine a measurement gap that overlaps with a time slot used by the terminal to detect the SSB of the currently serving cell; The overlapping measurement gap is determined as the target measurement gap.
  • the measurement module is specifically configured to determine, in the target measurement gap, a center frequency point used by the terminal to detect the synchronization information block SSB of the current serving cell; and at the center frequency point to perform inter-frequency measurements.
  • the processing module is further configured to release the target measurement gap.
  • the apparatus for acquiring the master information block MIB further includes a receiving module.
  • the receiving module is configured to receive at least one measurement gap configured by the network device; wherein, the at least one measurement gap is used for inter-frequency measurement.
  • an embodiment of the present application further provides a terminal, where the terminal may include a memory and a processor; wherein,
  • the memory is used to store computer programs.
  • the processor is configured to read the computer program stored in the memory, and execute the method for acquiring the master information block MIB described in any of the above possible implementation manners according to the computer program in the memory.
  • an embodiment of the present application further provides a readable storage medium for storing an instruction, when the instruction is executed, the master information block MIB described in any of the above possible implementation manners is made The get method of is implemented.
  • an embodiment of the present application further provides a computer program product, where the computer program product includes: a computer program, where the computer program is stored in a readable storage medium, and at least one processor of an electronic device can download the computer program from the computer program.
  • the computer program is read from a readable storage medium, and the at least one processor executes the computer program to cause the electronic device to execute the method for acquiring the master information block MIB described in any possible implementation manner of the first aspect.
  • the method, device, and terminal for acquiring the master information block MIB provided by the embodiments of the present application select a target measurement gap from at least one measurement gap when receiving a system message update indication that MIB needs to be acquired, and perform inter-frequency in the target measurement gap measurement; since the time slot corresponding to the measurement gap is the same as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell, therefore, when performing inter-frequency measurement on the measurement gap, the synchronization information block SSB will be measured together, In this way, the synchronization information block SSB can be parsed to obtain the main information block MIB, which avoids the poor data decoding performance caused by receiving the SSB by using the full bandwidth method, thereby realizing the problem of poor data decoding performance while obtaining the MIB. question.
  • FIG. 1 is a schematic diagram of a time-frequency structure of an SSB provided by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a method for acquiring a master information block MIB provided by an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of an apparatus for acquiring a master information block MIB provided by an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • “at least one” refers to one or more, and "a plurality” refers to two or more.
  • “And/or”, which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone, where A and B can be singular or plural.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • the method for acquiring the master information block MIB can be applied to various communication systems.
  • 5G NR 5th generation New Radio
  • the network device when the network device updates the system information, it will notify the terminal through paging that there is a system information update, and the terminal needs to obtain the master information block (MasterInformationBlock, MIB) .
  • the basic information carried in the MIB message will involve the decoding of the physical downlink shared channel (Physical Downlink Share Channel, PDSCH).
  • PDSCH Physical Downlink Share Channel
  • the terminal can only use the basic information carried in the MIB to continue to decode the PDSCH.
  • the data, including the decoded SIB information therefore, when the network device updates the system information, it is very important for the terminal to obtain the main information block MIB.
  • the network device will configure multiple BWPs for the terminal.
  • the terminal receives the synchronization signal of the current serving cell and the broadcast physical channel block (Synchronization Signal and Physical Broadcast CHannel block, SSB).
  • the BWP and the BWP currently activated by the terminal may not completely overlap, which will cause the terminal to receive data that does not include SSB according to the frequency and bandwidth of the currently activated BWP, so that the MIB cannot be obtained through SSB analysis, and thus the MIB cannot be obtained.
  • the synchronization information block SSB is composed of three parts: a primary synchronization signal (PrimARy Synchronization Signals, PSS), a secondary synchronization signal (Secondary Synchronization Signals, SSS), and a broadcast physical channel (Physical Broadcast CHanne, PBCH).
  • PSS Primary Synchronization Signals
  • SSS Secondary Synchronization Signals
  • PBCH Broadcast CHanne, Physical Broadcast CHanne
  • a common method is that the terminal receives the SSB with the maximum bandwidth, that is, the full bandwidth method is used to receive the SSB, so as to obtain the MIB by parsing the SSB.
  • the full bandwidth method is used to receive the SSB
  • the AGC parameters are obtained based on the currently activated BWP, if the full bandwidth is used, the AGC parameters will be changed. Accuracy is low, resulting in poor data decoding performance.
  • MIB can be obtained by means of measurement gaps.
  • the same measurement gap as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell can be used to perform inter-frequency measurement, that is, the original function of the measurement gap is not changed, and the measurement gap is still used.
  • Synchronization information block SSB so that the collected synchronization information block SSB can be analyzed to obtain the main information block MIB, so as to obtain the main information block MIB.
  • an embodiment of the present application provides a method for acquiring a master information block MIB.
  • a target measurement gap is selected from at least one measurement gap; wherein, the time slot corresponding to the target measurement gap is the same as the
  • the terminal detects the same time slot of the synchronization information block SSB of the current serving cell; performs inter-frequency measurement in the target measurement gap to obtain measurement data; parses the synchronization information block SSB included in the measurement data to obtain the main information block MIB.
  • the number of at least one measurement gap may be one or multiple, which may be set according to actual needs.
  • the embodiment of the present application does not further limit the number of measurement gaps.
  • a target measurement gap is selected from at least one measurement gap, and inter-frequency measurement is performed in the target measurement gap;
  • the time slot is the same as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell. Therefore, when performing inter-frequency measurement on this measurement gap, the synchronization information block SSB will be measured together, so that the synchronization information block SSB can be measured.
  • the main information block MIB is obtained by parsing, which avoids the poor data decoding performance caused by receiving the SSB by using the full bandwidth method, so that the problem of poor data decoding performance is solved while obtaining the MIB.
  • Terminal also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc.
  • UE user equipment
  • MS mobile station
  • MT mobile terminal
  • Devices such as handheld devices with wireless connectivity, or in-vehicle devices, etc.
  • some examples of terminals are: mobile phone (mobile phone), tablet computer, notebook computer, PDA, mobile internet device (MID), wearable device, virtual reality (virtual reality, VR) device, augmented reality (augmented reality, AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids wireless terminals, wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, etc.
  • a network device is a device in a wireless network, such as a radio access network (RAN) node that accesses the terminal to the wireless network.
  • RAN nodes are: gNB, transmission reception point (TRP), evolved Node B (evolved Node B, eNB), radio network controller (RNC), Node B (Node B) B, NB), base station controller (BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), base band unit (base band unit) , BBU), or wireless fidelity (wireless fidelity, Wifi) access point (access point, AP), etc.
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • Node B Node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • base band unit base band unit
  • the network device may include a centralized unit (centralized unit, CU) node, or a distributed unit (distributed unit, DU) node, or a RAN device including a CU node and a DU node.
  • a centralized unit centralized unit, CU
  • DU distributed unit
  • RAN device including a CU node and a DU node.
  • the method for acquiring the master information block MIB may be performed by software and/or a hardware device.
  • the hardware device may be a terminal or The processing chip in the terminal.
  • the method for obtaining the master information block MIB may include:
  • the time slot corresponding to the target measurement gap is the same as the time slot in which the terminal detects the synchronization information block SSB of the current serving cell.
  • the network device configures at least one measurement gap for the terminal, and the terminal can obtain the at least one measurement gap through configuration, and the at least one measurement gap is used for inter-frequency measurement, and of course, inter-system measurement can also be performed.
  • the inter-system measurement may be Radio Resource Management (RRM) measurement of a Long Term Evolution (Long Term Evolution, LTE) system, or RRM measurement of Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) Wait.
  • RRM Radio Resource Management
  • the network device may also configure a detection period for detecting the SSB of the cell for the terminal.
  • the value of the detection period may be any value of ⁇ 5, 10, 20, 40, 80, 160 ⁇ milliseconds.
  • the terminal may first check in at least one measurement gap whether there is a time slot that overlaps with the time slot used by the terminal to detect the SSB of the serving cell currently in which the terminal is located. Detecting a time slot overlapping the time slot used by the SSB of the current serving cell, and determining the measurement gap overlapping with the time slot used by the terminal to detect the SSB of the current serving cell as the target measurement gap.
  • the target measurement gap can be used for inter-frequency measurement, that is, the original function of the measurement gap is not changed, and the measurement gap is still used for inter-frequency measurement, only because the time slot corresponding to the measurement gap It is the same as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell. Therefore, when performing inter-frequency measurement on the target measurement gap, the synchronization information block SSB will be measured together, that is, the obtained measurement data will include synchronization. Information Block SSB.
  • the measurement data includes a synchronization information block SSB.
  • the center frequency point used by the terminal to detect the synchronization information block SSB of the current serving cell may be determined in the target measurement gap; and the inter-frequency measurement is performed on the center frequency point, thereby Acquired measurement data.
  • the SSB included in the measurement data can be parsed to obtain the main information block MIB, that is, the following S203 is performed:
  • a target measurement gap is selected from at least one measurement gap, and inter-frequency measurement is performed in the target measurement gap;
  • the time slot is the same as the time slot for the terminal to detect the synchronization information block SSB of the current serving cell. Therefore, when performing inter-frequency measurement on this measurement gap, the synchronization information block SSB will be measured together, so that the synchronization information block SSB can be measured.
  • the main information block MIB is obtained by parsing, which avoids the poor data decoding performance caused by receiving the SSB by using the full bandwidth method, so that the problem of poor data decoding performance is solved while obtaining the MIB.
  • the terminal can release the target measurement gap, so that the target measurement gap can perform inter-frequency or inter-system measurement according to the normal process.
  • FIG. 3 is a schematic structural diagram of an apparatus 30 for acquiring a master information block MIB provided by an embodiment of the present application.
  • the apparatus 30 for acquiring a master information block MIB may include:
  • the processing module 301 is configured to select a target measurement gap from at least one measurement gap when receiving a system message update indication; wherein, the time slot corresponding to the target measurement gap and the time slot for the terminal to detect the synchronization information block SSB of the current serving cell same.
  • the measurement module 302 is configured to perform inter-frequency measurement in the target measurement gap to obtain measurement data, wherein the measurement data includes a synchronization information block SSB.
  • the processing module 301 is further configured to parse the synchronization information block SSB to obtain the main information block MIB.
  • the processing module 301 is specifically configured to, in at least one measurement gap, determine a measurement gap that overlaps with a time slot used by the terminal to detect the SSB of the currently serving cell; and determine the overlapping measurement gap as a target measurement gap.
  • the measurement module 302 is specifically configured to determine the center frequency point used by the terminal to detect the synchronization information block SSB of the current serving cell in the target measurement gap; and perform inter-frequency measurement on the center frequency point.
  • the processing module 301 is further configured to release the target measurement gap.
  • the apparatus 30 for acquiring the master information block MIB may further include a receiving module 303 .
  • the receiving module 303 is configured to receive at least one measurement gap configured by the network device; wherein, the at least one measurement gap is used for inter-frequency measurement.
  • the apparatus 30 for obtaining the master information block MIB shown in the embodiment of the present application can execute the method for obtaining the master information block MIB shown in any of the above embodiments, the implementation principle and beneficial effects thereof, and the realization of the method for obtaining the master information block MIB
  • the principles and beneficial effects are similar, and reference may be made to the implementation principles and beneficial effects of the method for acquiring the master information block MIB, which will not be repeated here.
  • FIG. 4 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • the terminal includes a processor 401 and a memory 402; wherein,
  • the memory 402 is used to store computer programs.
  • the processor 401 is configured to read the computer program stored in the memory 402, and execute the method for obtaining the master information block MIB shown in any of the above embodiments according to the computer program in the memory 402, and its implementation principle and The beneficial effects are similar to the implementation principles and beneficial effects of the method for obtaining the master information block MIB, and reference may be made to the realization principle and beneficial effects of the method for obtaining the master information block MIB, which will not be repeated here.
  • Embodiments of the present application also provide a readable storage medium for storing instructions, and when the instructions are executed, the method for obtaining the master information block MIB shown in any of the foregoing embodiments is implemented, and the implementation principle thereof is as follows:
  • the beneficial effects are similar to the implementation principles and beneficial effects of the method for obtaining the master information block MIB, and reference may be made to the realization principle and beneficial effects of the method for obtaining the master information block MIB, which will not be repeated here.
  • An embodiment of the present application further provides a computer program product, the computer program product includes: a computer program, where the computer program is stored in a readable storage medium, and at least one processor of an electronic device can download the computer program from the readable storage medium Reading the computer program, the at least one processor executes the computer program to make the electronic device execute the method for obtaining the master information block MIB described in any of the above embodiments, and its implementation principle and beneficial effects are the same as those of the master information block MIB.
  • the implementation principle and beneficial effects of the acquisition method are similar, and reference may be made to the implementation principle and beneficial effects of the acquisition method for the master information block MIB, which will not be repeated here.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware, or can be implemented in the form of hardware plus software functional units.
  • the above-mentioned integrated modules implemented in the form of software functional modules may be stored in a computer-readable storage medium.
  • the above-mentioned software function modules are stored in a storage medium, and include several instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to execute the methods of the various embodiments of the present application. some steps.
  • processor may be a central processing unit (English: Central Processing Unit, referred to as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, referred to as: DSP), dedicated Integrated circuit (English: Application Specific Integrated Circuit, referred to as: ASIC) and so on.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the invention can be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the memory may include high-speed RAM memory, and may also include non-volatile storage NVM, such as at least one magnetic disk memory, and may also be a U disk, a removable hard disk, a read-only memory, a magnetic disk or an optical disk, and the like.
  • NVM non-volatile storage
  • the bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, or the like.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus can be divided into address bus, data bus, control bus and so on.
  • the buses in the drawings of the present application are not limited to only one bus or one type of bus.
  • the above computer-readable storage medium can be implemented by any type of volatile or non-volatile storage device or combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM) , Erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic Disk or Optical Disk.
  • SRAM Static Random Access Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic Disk Magnetic Disk or Optical Disk.
  • a storage medium can be any available medium that can be accessed by a general purpose or special purpose computer.

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Abstract

本申请实施例提供的一种主信息块MIB的获取方法、装置和终端，在接收到系统消息更新指示需要获取MIB时，通过从至少一个测量间隙中选择目标测量间隙，并在目标测量间隙进行异频测量；由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该测量间隙上进行异频测量时，会一并测量到同步信息块SSB，这样就可以对同步信息块SSB进行解析得到主信息块MIB，避免了因采用全带宽的方法接收SSB导致数据解码性能较差，从而实现了在获取MIB的同时，解决了数据解码性能较差的问题。

Description

主信息块MIB的获取方法、装置和终端
本申请基于申请号为202011283561.9，申请日为2020年11月17日，申请名称为“主信息块MIB的获取方法、装置和终端”的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及但不限于一种主信息块MIB的获取方法、装置和终端。
背景技术
在第五代新空口(5th generation New Radio，5G NR)系统中，网络设备在进行系统消息更新时，会通过paging通知终端有系统消息更新，以使终端获取该新的系统消息。通常情况下，系统消息包括主信息块(MasterInformationBlock，MIB)和系统信息块(System Information Block，SIB)。
通常情况下，网络设备会为终端配置多个带宽部分(Bandwidth Part，BWP)，当终端处于连接态时，终端接收当前所在的服务小区的同步信号和广播物理信道块(Synchronization Signal and Physical Broadcast CHannel block，SSB)所采用的BWP与终端当前激活的BWP可能不是完全重叠的，这样会导致终端按照当前激活的BWP的频点和带宽接收到数据中不包括SSB，使得无法通过SSB解析获取到MIB。为了解析获取到MIB，现有技术中，一种常用的方法是终端以最大带宽接收SSB，即采用全带宽的方法接收SSB，从而通过解析SSB获取到MIB。
但是，采用全带宽的方法接收SSB时，由于之前的接收到自动增益控制(Automatic Gain Control，AGC)参数都是基于当前激活的BWP获取到的，若转换到全带宽，则会使得AGC参数的准确度较低，从而导致数据解码性能较差。
发明内容
本发明实施例提供了一种主信息块MIB的获取方法、装置和终端，实现了在获取MIB的同时，解决了数据解码性能较差的问题。
第一方面，本申请实施例提供了一种主信息块MIB的获取方法，该主信息块MIB的获取方法可以包括：
在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，所述目标测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同。
在所述目标测量间隙进行异频测量，得到测量数据；其中，所述测量数据中包括同步信息块SSB。
对所述同步信息块SSB进行解析得到所述主信息块MIB。
在一种可能的实现方式中，所述从至少一个测量间隙中选择目标测量间隙，可以包括：
在所述至少一个测量间隙中，确定与所述终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙。
将所述重叠的测量间隙确定为所述目标测量间隙。
在一种可能的实现方式中，所述在所述目标测量间隙进行异频测量，包括：
在所述目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点。
在所述中心频点上进行异频测量。
在一种可能的实现方式中，所述对所述SSB进行解析得到所述主信息块MIB之后，还可以包括：
释放所述目标测量间隙。
在一种可能的实现方式中，所述从至少一个测量间隙中选择目标测量间隙之前，还可以包括：
接收网络设备配置的至少一个测量间隙；其中，至少一个测量间隙用于进行异频测量。
第二方面，本申请实施例还提供了一种主信息块MIB的获取装置，该主信息块MIB的获取装置可以包括：
处理模块，用于在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，所述目标测量间隙对应的时隙与终端检测当前所 在服务小区的同步信息块SSB的时隙相同。
测量模块，用于在所述目标测量间隙进行异频测量，得到测量数据；其中，所述测量数据中包括同步信息块SSB。
所述处理模块，还用于对所述同步信息块SSB进行解析得到所述主信息块MIB。
在一种可能的实现方式中，所述处理模块，具体用于在所述至少一个测量间隙中，确定与所述终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙；并将所述重叠的测量间隙确定为所述目标测量间隙。
在一种可能的实现方式中，所述测量模块，具体用于在所述目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点；并在所述中心频点上进行异频测量。
在一种可能的实现方式中，所述处理模块，还用于释放所述目标测量间隙。
在一种可能的实现方式中，所述主信息块MIB的获取装置还包括接收模块。
所述接收模块，用于接收网络设备配置的至少一个测量间隙；其中，至少一个测量间隙用于进行异频测量。
第三方面，本申请实施例还提供了一种终端，该终端可以包括存储器和处理器；其中，
所述存储器，用于存储计算机程序。
所述处理器，用于读取所述存储器存储的计算机程序，并根据所述存储器中的计算机程序执行上述任一种可能的实现方式中所述的主信息块MIB的获取方法。
第四方面，本申请实施例还提供了一种可读存储介质，用于存储有指令，当所述指令被执行时，使如上述任一种可能的实现方式中所述的主信息块MIB的获取方法被实现。
第五方面，本申请实施例还提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序，所述计算机程序存储在可读存储介质中，电子设备的至少一个处理器可以从所述可读存储介质读取所述计算机程序，所述至少一个处理器执行所述计算机程序使得电子设备执行上述第一方面任一种可能的实现方式中所述的主信息块MIB的获取方法。
本申请实施例提供的主信息块MIB的获取方法、装置和终端，在接收到系统消息更新指示需要获取MIB时，通过从至少一个测量间隙中选择目标测量间隙，并在目标测量间隙进行异频测量；由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该测量间隙上进行异频测量时，会一并测量到同步信息块SSB，这样就可以对同步信息块SSB进行解析得到主信息块MIB，避免了因采用全带宽的方法接收SSB导致数据解码性能较差，从而实现了在获取MIB的同时，解决了数据解码性能较差的问题。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
图1为本申请实施例提供的一种SSB的时频结构示意图；
图2为本申请实施例提供的一种主信息块MIB的获取方法的流程示意图；
图3为本申请实施例提供的一种主信息块MIB的获取装置的结构示意图；
图4为本申请实施例提供的一种终端的结构示意图。
通过上述附图，已示出本公开明确的实施例，后文中将有更详细的描述。这些附图和文字描述并不是为了通过任何方式限制本公开构思的范围，而是通过参考特定实施例为本领域技术人员说明本公开的概念。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在本发明的实施例中，“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况，其中A，B可以是单数或者复数。在本发明的文字描述中，字符“/”一般表示前后关联对象是一种“或”的关系。
本申请实施例提供的主信息块MIB的获取方法可以应用在各通信系统中。例如，在第五代新空口(5th generation New Radio，5G NR)系统中，网络设备在进行系统消息更新时，会通过paging通知终端有系统消息更新，终端需要获取主信息块(MasterInformationBlock，MIB)。其中，MIB消息中承载的是基本信息，这些基本信息会涉及下行共享物理信道(Physical Downlink Share Channel，PDSCH)的解码，终端只有先获取MIB消息，才能利用MIB中承载的基本信息继续解码PDSCH中的数据，包括解码SIB信息，因此，网络设备在进行系统消息更新时，终端获取主信息块MIB是至关重要的。
通常情况下，网络设备会为终端配置多个BWP，当终端处于连接态时，终端接收当前所在的服务小区的同步信号和广播物理信道块(Synchronization Signal and Physical Broadcast CHannel block，SSB)所采用的BWP与终端当前激活的BWP可能不是完全重叠的，这样会导致终端按照当前激活的BWP的频点和带宽接收到数据中不包括SSB，使得无法通过SSB解析获取到MIB，从而无法获取到MIB。
其中，同步信息块SSB由主同步信号(PrimARy Synchronization Signals，PSS)、辅同步信号(Secondary Synchronization Signals，SSS)、广播物理信道(Physical Broadcast CHanne，PBCH)三部分共同组成。示例的，请参见图1所示，图1为本申请实施例提供的一种SSB的时频结构示意图，SSB在时域上共占用4个正交频分复用技术(orthogonal frequency division multiplexing，OFDM)符号，在频域共占用20个(resource block，RB)，240个子载波，子载波编号为0～239。
对于终端而言，为了获取MIB，现有技术中，一种常用的方法是终端以最大带宽接收SSB，即采用全带宽的方法接收SSB，从而通过解析SSB获取到MIB。但是，采用全带宽的方法接收SSB时，由于之前的接收到自动增益控制(Automatic Gain Control，AGC)参数都是基于当前激活的BWP获取到的，若转换到全带宽，则会使得AGC参数的准确度较低，从而导致数据解码性能较差。
如何在保证数据解码性能的情况下，实现对MIB的获取是本领域技术人员亟待解决的问题。考虑到网络设备会为终端配置一系列用于进行异频测量或者异系统测量的测量间隙，可以借助于测量间隙实现MIB的获取。在借助 测量间隙获取MIB时，可以采用与终端检测当前所在服务小区的同步信息块SSB的时隙相同的测量间隙进行异频测量，即不改变测量间隙的原有功能，该测量间隙还是继续用于进行异频测量，只是由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该测量间隙上进行异频测量时，会一并测量到同步信息块SSB，这样就可以对采集得到的同步信息块SSB进行解析得到主信息块MIB，从而获取到主信息块MIB。
基于上述构思，本申请实施例提供了一种主信息块MIB的获取方法，在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，目标测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同；并在目标测量间隙进行异频测量，得到测量数据；对测量数据中包括的同步信息块SSB进行解析得到主信息块MIB。
示例的，至少一个测量间隙的数量可以为一个，也可以为多个，具体可以根据实际需要进行设置，在此，对于测量间隙的数量，本申请实施例不做进一步地限制。
由此可见，本申请实施例中，在接收到系统消息更新指示需要获取MIB时，通过从至少一个测量间隙中选择目标测量间隙，并在目标测量间隙进行异频测量；由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该测量间隙上进行异频测量时，会一并测量到同步信息块SSB，这样就可以对同步信息块SSB进行解析得到主信息块MIB，避免了因采用全带宽的方法接收SSB导致数据解码性能较差，从而实现了在获取MIB的同时，解决了数据解码性能较差的问题。
其中，1)终端，又称之为用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)等，是一种向用户提供语音/数据连通性的设备，例如，具有无线连接功能的手持式设备、或车载设备等。目前，一些终端的举例为：手机(mobile phone)、平板电脑、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备，虚拟现实(virtual reality，VR)设备、增强现实(augmented reality，AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城 市(smart city)中的无线终端、或智慧家庭(smart home)中的无线终端等。
2)网络设备，是无线网络中的设备，例如将终端接入到无线网络的无线接入网(radio access network，RAN)节点。目前，一些RAN节点的举例为：gNB、传输接收点(transmission reception point，TRP)、演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如，home evolved NodeB，或home Node B，HNB)、基带单元(base band unit，BBU)，或无线保真(wireless fidelity，Wifi)接入点(access point，AP)等。在一种网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点、或分布单元(distributed unit，DU)节点、或包括CU节点和DU节点的RAN设备。
下面，将通过具体的实施例，对本申请实施例提供的技术方案进行详细的描述。可以理解的是，在本申请实施例中，下面这几个具体的实施例可以相互结合，对于相同或相似的概念或过程可能在某些实施例中不再赘述。
图2为本申请实施例提供的一种主信息块MIB的获取方法的流程示意图，该主信息块MIB的获取方法可以由软件和/或硬件装置执行，示例的，该硬件装置可以为终端或者终端中的处理芯片。请参见图2所示，该主信息块MIB的获取方法可以包括：
S201、在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙。
其中，目标测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同。
通常情况下，网络设备会为终端配置至少一个测量间隙，终端可以通过配置获取到该至少一个测量间隙，该至少一个测量间隙用于进行异频测量，当然，也可以进行异系统测量。示例的，异系统测量可以为长期演进(Long Term Evolution，LTE)系统的无线资源管理(Radio Resource Management，RRM)测量，或者，宽带码分多址(Wideband Code Division Multiple Access，WCDMA)的RRM测量等。并且，网络设备还可以为终端配置检测小区SSB的检测周期，示例的，检测周期的取值可以为{5,10,20,40,80,160}毫秒中的任一值。
示例的，从至少一个测量间隙中选择目标测量间隙时，终端可以在至少 一个测量间隙中，先查找是否存在与终端检测当前所在服务小区的SSB采用的时隙重叠的时隙，若存在与终端检测当前所在服务小区的SSB采用的时隙重叠的时隙重叠的时隙，则将与终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙确定为目标测量间隙。
在确定出目标测量间隙后，可以采用该目标测量间隙进行异频测量，即不改变测量间隙的原有功能，该测量间隙还是继续用于进行异频测量，只是由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该目标测量间隙上进行异频测量时，会一并测量到同步信息块SSB，即得到的测量数据中会包括同步信息块SSB。
S202、在目标测量间隙进行异频测量，得到测量数据。
其中，测量数据中包括同步信息块SSB。
示例的，在目标测量间隙进行异频测量时，可以在目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点；并在中心频点上进行异频测量，从而获取到测量数据。
这样在获取到测量数据后，可以对测量数据中包括的SSB进行解析，得到主信息块MIB，即执行下述S203：
S203、对同步信息块SSB进行解析得到主信息块MIB。
由此可见，本申请实施例中，在接收到系统消息更新指示需要获取MIB时，通过从至少一个测量间隙中选择目标测量间隙，并在目标测量间隙进行异频测量；由于该测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同，因此，在该测量间隙上进行异频测量时，会一并测量到同步信息块SSB，这样就可以对同步信息块SSB进行解析得到主信息块MIB，避免了因采用全带宽的方法接收SSB导致数据解码性能较差，从而实现了在获取MIB的同时，解决了数据解码性能较差的问题。
基于上述图2所示的实施例，终端对SSB进行解析得到主信息块MIB之后，可以释放目标测量间隙，使得该目标测量间隙按照正常的过程进行异频或者异系统测量。
图3为本申请实施例提供的一种主信息块MIB的获取装置30的结构示意图，示例的，请参见图3所示，该主信息块MIB的获取装置30可以包括：
处理模块301，用于在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，目标测量间隙对应的时隙与终端检测当前所在 服务小区的同步信息块SSB的时隙相同。
测量模块302，用于在目标测量间隙进行异频测量，得到测量数据；其中，测量数据中包括同步信息块SSB。
处理模块301，还用于对同步信息块SSB进行解析得到主信息块MIB。
可选的，处理模块301，具体用于在至少一个测量间隙中，确定与终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙；并将重叠的测量间隙确定为目标测量间隙。
可选的，测量模块302，具体用于在目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点；并在中心频点上进行异频测量。
可选的，处理模块301，还用于释放目标测量间隙。
可选的，该主信息块MIB的获取装置30还可以包括接收模块303。
接收模块303，用于接收网络设备配置的至少一个测量间隙；其中，至少一个测量间隙用于进行异频测量。
本申请实施例所示的主信息块MIB的获取装置30，可以执行上述任一实施例所示的主信息块MIB的获取方法，其实现原理以及有益效果与主信息块MIB的获取方法的实现原理及有益效果类似，可参见主信息块MIB的获取方法的实现原理及有益效果，此处不再进行赘述。
图4为本申请实施例提供的一种终端的结构示意图，示例的，请参见图4所示，该终端包括处理器401和存储器402；其中，
所述存储器402，用于存储计算机程序。
所述处理器401，用于读取所述存储器402存储的计算机程序，并根据所述存储器402中的计算机程序执行上述任一实施例所示的主信息块MIB的获取方法，其实现原理以及有益效果与主信息块MIB的获取方法的实现原理及有益效果类似，可参见主信息块MIB的获取方法的实现原理及有益效果，此处不再进行赘述。
本申请实施例还提供了一种可读存储介质，用于存储指令，当所述指令被执行时，使上述任一实施例所示的主信息块MIB的获取方法被实现，其实现原理以及有益效果与主信息块MIB的获取方法的实现原理及有益效果类似，可参见主信息块MIB的获取方法的实现原理及有益效果，此处不再进行赘述。
本申请实施例还提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序，所述计算机程序存储在可读存储介质中，电子设备的至少一个处理器可以从所述可读存储介质读取所述计算机程序，所述至少一个处理器执行所述计算机程序使得电子设备执行上述任一实施例所述的主信息块MIB的获取方法，其实现原理以及有益效果与主信息块MIB的获取方法的实现原理及有益效果类似，可参见主信息块MIB的获取方法的实现原理及有益效果，此处不再进行赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所展示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元展示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
上述以软件功能模块的形式实现的集成的模块，可以存储在一个计算机可读取存储介质中。上述软件功能模块存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(英文：processor)执行本申请各个实施例方法的部分步骤。
应理解的是，上述处理器可以是中央处理单元(英文：Central Processing Unit，简称：CPU)，还可以是其他通用处理器、数字信号处理器(英文：Digital Signal Processor，简称：DSP)、专用集成电路(英文：Application Specific Integrated Circuit，简称：ASIC)等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合发明所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
存储器可能包含高速RAM存储器，也可能还包括非易失性存储NVM，例如至少一个磁盘存储器，还可以为U盘、移动硬盘、只读存储器、磁盘或光盘等。
总线可以是工业标准体系结构(Industry Standard Architecture，ISA)总线、外部设备互连(Peripheral Component，PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，EISA)总线等。总线可以分为地址总线、数据总线、控制总线等。为便于表示，本申请附图中的总线并不限定仅有一根总线或一种类型的总线。
上述计算机可读存储介质可以是由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。存储介质可以是通用或专用计算机能够存取的任何可用介质。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (13)

  1. 一种主信息块MIB的获取方法，包括：
    在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，所述目标测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同；
    在所述目标测量间隙进行异频测量，得到测量数据；其中，所述测量数据中包括同步信息块SSB；
    对所述同步信息块SSB进行解析得到所述主信息块MIB。
  2. 根据权利要求1所述的方法，其中，所述从至少一个测量间隙中选择目标测量间隙，包括：
    在所述至少一个测量间隙中，确定与所述终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙；
    将所述重叠的测量间隙确定为所述目标测量间隙。
  3. 根据权利要求1所述的方法，其中，所述在所述目标测量间隙进行异频测量，包括：
    在所述目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点；
    在所述中心频点上进行异频测量。
  4. 根据权利要求1-3任一项所述的方法，所述对所述SSB进行解析得到所述主信息块MIB之后，所述方法还包括：
    释放所述目标测量间隙。
  5. 根据权利要求1-3任一项所述的方法，所述从至少一个测量间隙中选择目标测量间隙之前，所述方法还包括：
    接收网络设备配置的至少一个测量间隙；其中，至少一个测量间隙用于进行异频测量。
  6. 一种主信息块MIB的获取装置，包括：
    处理模块，用于在接收到系统消息更新指示时，从至少一个测量间隙中选择目标测量间隙；其中，所述目标测量间隙对应的时隙与终端检测当前所在服务小区的同步信息块SSB的时隙相同；
    测量模块，用于在所述目标测量间隙进行异频测量，得到测量数据；其 中，所述测量数据中包括同步信息块SSB；
    所述处理模块，还用于对所述同步信息块SSB进行解析得到所述主信息块MIB。
  7. 根据权利要求6所述的装置，
    所述处理模块，具体用于在所述至少一个测量间隙中，确定与所述终端检测当前所在服务小区的SSB采用的时隙重叠的测量间隙；并将所述重叠的测量间隙确定为所述目标测量间隙。
  8. 根据权利要求6所述的装置，
    所述测量模块，具体用于在所述目标测量间隙，确定终端检测当前所在服务小区的同步信息块SSB时采用的中心频点；并在所述中心频点上进行异频测量。
  9. 根据权利要求6-8任一项所述的装置，
    所述处理模块，还用于释放所述目标测量间隙。
  10. 根据权利要求6-8任一项所述的装置，所述装置还包括接收模块：
    所述接收模块，用于接收网络设备配置的至少一个测量间隙；其中，至少一个测量间隙用于进行异频测量。
  11. 一种终端，包括存储器和处理器；其中，
    所述存储器，用于存储计算机程序；
    所述处理器，用于读取所述存储器存储的计算机程序，并根据所述存储器中的计算机程序执行上述权利要求1-5任一项所述的主信息块MIB的获取方法。
  12. 一种可读存储介质，用于存储有指令，当所述指令被执行时，使如上述权利要求1-5任一项所述的主信息块MIB的获取方法被实现。
  13. 一种计算机程序产品，包括计算机程序，所述计算机程序在被处理器执行时，实现如上述权利要求1-5任一项所述的主信息块MIB的获取方法。
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