CN112469082B - Method for receiving system message and related product - Google Patents
Method for receiving system message and related product Download PDFInfo
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- CN112469082B CN112469082B CN202011368210.8A CN202011368210A CN112469082B CN 112469082 B CN112469082 B CN 112469082B CN 202011368210 A CN202011368210 A CN 202011368210A CN 112469082 B CN112469082 B CN 112469082B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0091—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location arrangements specific to receivers, e.g. format detection
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- 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
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Abstract
The embodiment of the application provides a method for receiving a system message and a related product, wherein the method is applied to User Equipment (UE), and comprises the following steps: UE correctly receives a main message block MIB and adjusts a system frame to complete downlink synchronization; when UE receives system message block SIB, one group adopts SIB window inner combined decoding, and the other group parallel to the one group adopts SIB window inner and window inner combined decoding; if the SIB decoding of any group is successful, the receiving process of the system message is ended. The technical scheme provided by the application improves the system message decoding capability, reduces the cell access delay and has the advantage of high user experience.
Description
Technical Field
The present application relates to the field of communication processing technologies, and in particular, to a method for receiving a system message and a related product.
Background
In an LTE (Long Term Evolution), NB-IOT (Narrow Band Internet of Things), and LTE-M (LTE-Machine Type Communication) Communication System, under channel conditions of wide coverage, weak coverage, and fast fading, when a System message ends in an SI (System Information) window, an SI message merged in the existing window cannot be correctly received, resulting in SI reading failure timeout, thereby affecting access delay of UE (User Equipment) cell residence, affecting timeliness of cell reselection, and affecting User experience.
Disclosure of Invention
The embodiment of the application discloses a method for receiving a system message and a related product, which can improve the success rate of SI reading, further improve the timeliness of cell reselection and improve the user experience.
In a first aspect, a method for receiving a system message is provided, where the method is applied to a user equipment UE, and the method includes the following steps:
UE correctly receives a main message block MIB and adjusts a system frame to complete downlink synchronization;
when UE receives system message block SIB, one group adopts SIB window inner combined decoding, and the other group parallel to the one group adopts SIB window inner and window inner combined decoding;
if the SIB decoding is successful, the system's reception process is terminated.
In a second aspect, an apparatus for receiving a system message is provided, the apparatus comprising:
a communication unit for correctly receiving a master message block MIB;
the adjusting unit is used for adjusting the system frame to complete downlink synchronization;
a decoding unit, configured to, when the communication unit receives a system message block SIB, perform intra-window decoding of the SIB in one set, and perform intra-window and inter-window decoding of the SIB in another set in parallel with the one set; if the SIB decoding is successful, the system's reception process is terminated.
In a third aspect, a user equipment UE is provided, where the user equipment UE includes:
a communication unit for correctly receiving a master message block MIB;
the adjusting unit is used for adjusting the system frame to complete downlink synchronization;
a decoding unit, configured to, when the communication unit receives a system message block SIB, perform intra-window decoding of the SIB in one set, and perform intra-window and inter-window decoding of the SIB in another set in parallel with the one set; if the SIB decoding is successful, the system's reception process is terminated.
In a fourth aspect, there is provided an electronic device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs including instructions for performing the steps in the method of the first aspect.
In a fifth aspect, a computer-readable storage medium is provided, storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the method of the first aspect.
In a sixth aspect, there is provided a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps as described in the first aspect of an embodiment of the present application. The computer program product may be a software installation package.
In a seventh aspect, a chip system is provided, the chip system including at least one processor, a memory and an interface circuit, the memory, the transceiver and the at least one processor being interconnected by a line, the at least one memory having a computer program stored therein; the computer program, when executed by the processor, implements the method of the first aspect.
After UE of the technical scheme provided by the application correctly receives the MIB and completes downlink synchronization, the received SIB adopts two groups of decoding modes, one group is window combined decoding, the other group is window and inter-window combined decoding, after any group of decoding succeeds, the receiving process of system messages is ended, the inter-window combined decoding is added through the two groups of decoding modes, and SIBs transmitted by different windows can be combined for decoding, so that the number of SIB combinations is increased, and the decoding success rate of SIBs is increased.
Drawings
The drawings used in the embodiments of the present application are described below.
FIG. 1 is a system architecture diagram of an exemplary communication system;
fig. 2 is a schematic flowchart of a method for receiving a system message according to the present application;
fig. 3 is a schematic flowchart of a method for receiving a system message according to an embodiment of the present application;
FIG. 4a is a schematic diagram illustrating two sets of decoding of a single SIB according to an embodiment of the present invention;
FIG. 4b is a schematic diagram illustrating two decoding sets of SIBs according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a receiving apparatus of a system message according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The embodiments of the present application will be described below with reference to the drawings.
The term "and/or" in this application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein indicates that the former and latter associated objects are in an "or" relationship.
The "plurality" appearing in the embodiments of the present application means two or more. The descriptions of the first, second, etc. appearing in the embodiments of the present application are only for illustrating and differentiating the objects, and do not represent the order or the particular limitation of the number of the devices in the embodiments of the present application, and do not constitute any limitation to the embodiments of the present application. The term "connect" in the embodiments of the present application refers to various connection manners, such as direct connection or indirect connection, to implement communication between devices, which is not limited in this embodiment of the present application.
The technical solution of the embodiment of the present application may be applied to the example communication system 100 shown in fig. 1, where the example communication system 100 includes a terminal 110 and a network device 120, and the terminal 110 is communicatively connected to the network device 120.
A terminal in the embodiments of the present application may refer to various forms of UE, access terminal, subscriber unit, subscriber station, mobile station, MS (mobile station), remote station, remote terminal, mobile device, user terminal, terminal device (terminal equipment), wireless communication device, user agent, or user equipment. The terminal device may also be a cellular phone, a cordless phone, an SIP (session initiation protocol) phone, a WLL (wireless local loop) station, a PDA (personal digital assistant) with a wireless communication function, a handheld device with a wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a terminal device in a future evolved PLMN (public land mobile network, chinese), and the like, which are not limited in this embodiment.
In the implementation scheme of the communication System, the window merging of a scheduling period is completed once based on the agreed configuration of the existing protocol, wherein in the LTE-M enhanced System, the network side can adjust the size of si-WindowLength, increase the window length size in the scheduling period once and increase the merging sample number of the SIB (System Information block) in the window through the relevant characteristics of the transmitted tbsize, coverage enhancement and the like.
In the LTE system, the period of SIB1 is 80ms, and the same SIB1 is repeatedly transmitted on subframe 5 of a system frame in which SFN%2=0 in the period; the schedulinglnfolist configuration information of SIB1 acquires SIBX (X =2,3,4 \8230; maxSI) to be received.
Each SI message is transmitted in only one SI window, and has the following characteristics: the same SI message can be repeatedly scheduled in one SI window; different SI windows may be immediately adjacent but may not overlap; the lengths of SI windows of all SI messages are the same; the periods of different SI messages are independent of each other; and carrying out combined SI reception in each SI window separately.
Referring to fig. 2, fig. 2 provides a system message receiving method, which may be executed by the terminal shown in fig. 1, where the terminal may specifically be a UE, and the method shown in fig. 2 includes the following steps:
step S201, UE correctly receives MIB (master information block), and adjusts system frame to complete downlink synchronization;
step S202, when UE receives system message block SIB, one group adopts SIB window inner combined decoding, and the other group parallel to the one group adopts SIB window inner and window inner combined decoding;
step S203, if the decoding of any one group of SIBs is successful, the receiving process of the system message is ended.
After UE of the technical scheme provided by the application correctly receives the MIB and completes downlink synchronization, the received SIB adopts two groups of decoding modes, one group is window combined decoding, the other group is window and inter-window combined decoding, after any group of decoding succeeds, the receiving process of system messages is ended, the inter-window combined decoding is added through the two groups of decoding modes, and SIBs transmitted by different windows can be combined for decoding, so that the number of SIB combinations is increased, and the decoding success rate of SIBs is increased.
In an optional scheme, before any group of SIBs is successfully decoded, the method further includes:
if the size of the transmission block TB size changes or the UE receives a system message change notification, the UE ends the combined decoding of the SIB window and the window of another group.
If TB size changes, it indicates that the information carried by SIB may change, so that inter-window SIB combining decoding cannot be performed, and different information carried by SIB is prevented from being combined together to affect the SIB decoding success rate.
In an alternative, the SIB inter-window merging decoding includes:
and combining and decoding between adjacent SIB windows or combining and decoding between crossing SIB windows.
In an optional aspect, the method further comprises:
obtaining scheduling information of SIB, the scheduling information including: SIB period and SIB window length;
and determining and selecting the merging decoding between adjacent SIB windows or the merging decoding between crossing SIB windows according to the SIB period and the SIB window length.
Example one
An embodiment of the present application provides a method for receiving a system message, where the method may be executed by a terminal shown in fig. 1, and the terminal may specifically be a UE, and the method includes, as shown in fig. 3, the following steps:
step S301, UE correctly receives MIB, and adjusts system frame to complete downlink synchronization;
step S302, in the process of receiving SIB1, UE completes repeated combining reception in the window of SIB1 according to protocol agreement, and simultaneously, starts another group of windows completing the scheduling period of SIB1 to combine reception.
The implementation method of the step S302 may specifically include:
if the size of the Tbsize obtained by decoding before and after the change (carried in the PDCCH) occurs or the system message is changed and notified (such as paging notification) in the process of cross-scheduling period and cross-window repeated combination receiving, the combination processing of the windows in the window at present is stopped, and the combination receiving between the windows in the window is restarted; either group completes successful decoding of SIB1 and terminates the reception process of the other group. Determining configuration information such as period, window length and the like of pre-received SIBX (X =2,3 \8230; 8230; etc.) according to the scheduling information of SIB1;
calculating the starting window position of each SI in the SIBX, which is respectively marked as SI-1, SI-2, SI-3, 8230, SI-k.. SI-N (N =1,2, 8230, X-1) type;
repeatedly combining in a group of SI windows only considering a scheduling period at the receiving window time of corresponding SI windows of SI-1, SI-2, SI-3, SI-8230, SI-k 8230and SI-N types; meanwhile, another group of enhanced SI message reception is started, and the combination is completed in the SI window of the scheduling period, and the continuous combination between windows and in the window is completed in the SI window of the next scheduling period; if the sizes of Tbsize obtained by decoding before and after occurrence in the process of cross-scheduling period and cross-window repeated combination receiving are different, or the system message is informed of change, the combination processing between windows in the window at present is stopped, and the combination receiving between the windows in the window is restarted; the specific treatment process is as follows:
simultaneously starting two groups of SI message receiving mechanisms (one group of SI window is combined, and the other group of SI window is combined and between windows);
if the receiving is enhanced SI receiving, reading the system message in an SI window of a scheduling period fails, and setting a status bit for continuously receiving; when waiting for the next SI starting window of the same SI-k type, continuing to repeat merging processing in the window;
and if the system message reading in the SI window is successful, stopping two groups of SI monitoring mechanisms and ending the SI-k type system message process.
Step S303, judging whether the receiving is completed according to the SIBX message pre-scheduled by SIB 1.
If the pre-scheduled SIBX is read out correctly, ending the system message reading process;
if the pre-scheduled SIBX is not received, go to step S302 to continue reading the system message that has not been received.
One schematic of two sets of merges is shown in fig. 4a, where as shown in fig. 4a, set a represents intra-window merge and set B represents inter-window and intra-window merge. X =1 in SIBX shown in fig. 4 a.
One schematic of two sets of merges is shown in FIG. 4B, where as shown in FIG. 4B, set A represents intra-window merges and set B represents inter-window and intra-window merges. X > 1 in SIBX shown in fig. 4b, as in fig. 4b, X =3.
Referring to fig. 5, fig. 5 provides a system message receiving apparatus, including:
a communication unit 501, configured to correctly receive a master message block MIB;
an adjusting unit 502, configured to adjust a system frame to complete downlink synchronization;
a decoding unit 503, configured to, when the communication unit receives a system message block SIB, perform intra-window decoding of the SIB in one set, and perform intra-window and inter-window decoding of the SIB in another set that is parallel to the one set; if the SIB decoding is successful, the system's reception process is terminated.
After the receiving device of the system message provided by the application correctly receives the MIB and completes downlink synchronization, the received SIB adopts two groups of decoding modes, one group is window combined decoding, the other group is window and window combined decoding, after any group of decoding succeeds, the receiving process of the system message is ended, the window combined decoding is added through the two groups of decoding modes, and SIBs transmitted by different windows can be combined and decoded, so that the number of SIB combinations is increased, and the decoding success rate of the SIBs is increased.
In an alternative arrangement, the first and second electrodes may be,
the decoding unit 503 is further configured to terminate the intra-window and inter-window combining decoding of another group of SIBs if the transport block size TB size changes or the communication unit receives a system message change notification.
In an alternative, the SIB inter-window merge coding includes:
and combining and decoding between adjacent SIB windows or combining and decoding between cross-SIB windows.
In an alternative arrangement, the first and second electrodes may be,
the decoding unit 503 is further configured to acquire scheduling information of the SIB, where the scheduling information includes: SIB period and SIB window length; and determining and selecting the merging decoding between adjacent SIB windows or the merging decoding between crossing SIB windows according to the SIB period and the SIB window length.
Referring to fig. 6, fig. 6 provides a user equipment UE, comprising:
a communication unit 601 for correctly receiving a master message block MIB;
an adjusting unit 602, configured to adjust a system frame to complete downlink synchronization;
a decoding unit 603, configured to, when the communication unit receives a system message block SIB, perform intra-window decoding of the SIB in one set, and perform intra-window and inter-window decoding of the SIB in another set that is parallel to the one set; if the SIB decoding is successful, the system's reception process is terminated.
It will be appreciated that the user equipment, in order to carry out the above-described functions, comprises corresponding hardware and/or software modules for performing the respective functions. The present application is capable of being implemented in hardware or a combination of hardware and computer software in conjunction with the exemplary algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, with the embodiment described in connection with the particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In this embodiment, the electronic device may be divided into functional modules according to the method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module may be implemented in the form of hardware. It should be noted that the division of the modules in this embodiment is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
In the case of dividing each functional module according to each function, the communication unit 601, the adjusting unit 602, and the decoding unit 603 may be used to support the user equipment to perform the steps shown in fig. 2 and the refinement of the embodiment shown in fig. 2.
It should be noted that all relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
In case an integrated unit is employed, the user equipment may comprise a processing module and a storage module. The processing module may be configured to control and manage the actions of the user equipment, and for example, may be configured to support the electronic equipment to execute the steps executed by the communication unit 601, the adjustment unit 602, and the decoding unit 603. The memory module can be used to support the electronic device in executing stored program codes and data, etc.
The processing module may be a processor or a controller. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., a combination of one or more microprocessors, a Digital Signal Processing (DSP) and a microprocessor, or the like. The storage module may be a memory. The communication module may specifically be a radio frequency circuit, a bluetooth chip, a Wi-Fi chip, or other devices that interact with other electronic devices.
It should be understood that the interface connection relationship between the modules illustrated in the embodiments of the present application is only an exemplary illustration, and does not form a structural limitation on the user equipment. In other embodiments of the present application, the user equipment may also adopt different interface connection manners or a combination of multiple interface connection manners in the above embodiments.
Referring to fig. 7, fig. 7 is an electronic device 70 provided in an embodiment of the present application, where the electronic device 70 includes a processor 701, a memory 702, and a communication interface 703, and the processor 701, the memory 702, and the communication interface 703 are connected to each other through a bus.
The memory 702 includes, but is not limited to, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM), and the memory 702 is used for related computer programs and data. The communication interface 703 is used for receiving and transmitting data.
The processor 701 may be one or more Central Processing Units (CPUs), and in the case that the processor 701 is one CPU, the CPU may be a single-core CPU or a multi-core CPU.
In some embodiments, processor 701 may include one or more interfaces. The interface may include an inter-integrated circuit (I2C) interface, an inter-integrated circuit audio source (I2S) interface, a Pulse Code Modulation (PCM) interface, a universal asynchronous receiver/transmitter (UART) interface, a Mobile Industry Processor Interface (MIPI), a general-purpose-output (GPIO) interface, a SIM card interface, and/or a USB interface. The USB interface is an interface conforming to the USB standard specification, and may specifically be a Mini USB interface, a Micro USB interface, a USB Type C interface, or the like. The USB interface can be used for connecting a charger to charge the user equipment, and can also be used for transmitting data between the user equipment and peripheral equipment. The USB interface can also be used for connecting an earphone and playing audio through the earphone.
If the electronic device 70 is a terminal side device, such as a user device, the processor 701 in the electronic device 70 is configured to read the computer program code stored in the memory 702 and execute the following operations:
correctly receiving a main message block MIB, and adjusting a system frame to complete downlink synchronization;
when receiving system message block SIB, one group adopts SIB window inner combined decoding, and the other group parallel to the one group adopts SIB window inner and window inner combined decoding;
if the SIB decoding of any group is successful, the receiving process of the system message is ended.
All relevant contents of each scene related to the method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
The embodiment of the present application further provides a chip system, where the chip system includes at least one processor, a memory and an interface circuit, where the memory, the transceiver and the at least one processor are interconnected by a line, and the at least one memory stores a computer program; when the computer program is executed by the processor, the method flows shown in fig. 2 and fig. 3 are realized.
An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program runs on a network device, the method flows shown in fig. 2 and fig. 3 are implemented.
The embodiments of the present application also provide a computer program product, where when the computer program product runs on a terminal, the method flows shown in fig. 2 and fig. 3 are implemented.
The present embodiments also provide an electronic device, including a processor, a memory, a communication interface, and one or more programs, which are stored in the memory and configured to be executed by the processor, and include instructions for executing the steps in the methods of the embodiments shown in fig. 2 and 3.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It will be appreciated that the electronic device, in order to carry out the functions described above, may comprise corresponding hardware structures and/or software templates for performing the respective functions. Those of skill in the art will readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments provided herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the electronic device may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are presently preferred and that no acts or templates referred to are necessarily required by the application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, read-Only memories (ROMs), random Access Memories (RAMs), magnetic or optical disks, and the like.
Claims (12)
1. A method for receiving system messages, which is applied to User Equipment (UE), is characterized in that the method comprises the following steps:
UE correctly receives a main message block MIB and adjusts a system frame to complete downlink synchronization;
when UE receives system message block SIB, one group adopts SIB window to merge decode, at the same time, starts another group to enhance SI message reception, which not only merges in SI window of dispatching period, but also completes continuous merge decode between windows and in window in SI window of next dispatching period;
if the SIB decoding of any group is successful, the receiving process of the system message is ended.
2. The method of claim 1, wherein the method further comprises, before any set of SIB decoding succeeds:
if the size of the transmission block TB size changes or the UE receives a system message change notification, the UE ends the combined decoding of the SIB window and the window of another group.
3. The method of claim 1, wherein SIB inter-window merging coding comprises:
and combining and decoding between adjacent SIB windows or combining and decoding between cross-SIB windows.
4. The method of claim 3, further comprising:
obtaining scheduling information of an SIB, the scheduling information comprising: SIB period and SIB window length;
and determining and selecting the merging decoding between adjacent SIB windows or the merging decoding between crossing SIB windows according to the SIB period and the SIB window length.
5. An apparatus for receiving a system message, the apparatus comprising:
a communication unit for correctly receiving a master message block MIB;
the adjusting unit is used for adjusting the system frame to complete downlink synchronization;
a decoding unit, configured to, when the communication unit receives a system message block SIB, perform merging decoding in a SIB window for one group, and simultaneously start reception of an enhanced SI message for another group, so that the SI message is merged in an SI window of a scheduling period, and continuous merging decoding between windows and in a window is completed in an SI window of a next scheduling period; if the SIB decoding is successful, the system's reception process is terminated.
6. The apparatus of claim 5,
the decoding unit is further configured to terminate the intra-window and inter-window combining decoding of the SIB of the other group if the transport block size TB size changes or the communication unit receives a system message change notification.
7. The apparatus of claim 5, wherein SIB inter-window merge coding comprises:
and combining and decoding between adjacent SIB windows or combining and decoding between cross-SIB windows.
8. The apparatus of claim 7,
the decoding unit is further configured to acquire scheduling information of the SIB, where the scheduling information includes: SIB period and SIB window length; and determining and selecting the merging decoding between adjacent SIB windows or the merging decoding between crossing SIB windows according to the SIB period and the SIB window length.
9. A user equipment, UE, characterized in that the UE comprises:
a communication unit for correctly receiving a master message block MIB;
the adjusting unit is used for adjusting the system frame to complete downlink synchronization;
a decoding unit, configured to, when the communication unit receives a system message block SIB, perform merging decoding in a SIB window for one group, and simultaneously start reception of an enhanced SI message for another group, so that the SI message is merged in an SI window of a scheduling period, and continuous merging decoding between windows and in a window is completed in an SI window of a next scheduling period; if the SIB decoding is successful, the system's reception process is terminated.
10. An electronic device comprising a processor, a memory, a communication interface, and one or more programs stored in the memory and configured to be executed by the processor, the programs comprising instructions for performing the steps of the method of any of claims 1-4.
11. A chip system, the chip system comprising at least one processor, a memory and an interface circuit, the memory, the interface circuit and the at least one processor being interconnected by a line, the at least one memory having a computer program stored therein; the computer program, when executed by the processor, implements the method of any one of claims 1-4.
12. A computer-readable storage medium, in which a computer program is stored which, when run on a user equipment, performs the method of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN110140382A (en) * | 2016-11-04 | 2019-08-16 | 瑞典爱立信有限公司 | The system information of narrowband |
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| US20170064764A1 (en) * | 2015-08-27 | 2017-03-02 | Qualcomm Incorporated | Concurrent decoding of one or more system information blocks (sibs) |
| EP3549370B1 (en) * | 2016-12-05 | 2021-10-27 | LG Electronics Inc. | Method for processing system information for machine-type communication system and a device therefor |
| WO2018218539A1 (en) * | 2017-05-31 | 2018-12-06 | 华为技术有限公司 | Method and apparatus for scheduling system information block |
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| WO2019193395A1 (en) * | 2018-04-04 | 2019-10-10 | Nokia Technologies Oy | Management of system information area |
| CN109495218A (en) * | 2019-02-02 | 2019-03-19 | 翱捷科技(上海)有限公司 | A kind of user equipment and its method for decoding SIB1 |
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