CN111106910A - System information update indication method, device and storage medium - Google Patents
System information update indication method, device and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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Abstract
The invention discloses a method, a device and a storage medium for indicating system information update, which are used for reducing the resource overhead of system information update. The system information updating indication method implemented by the UE comprises the following steps: receiving downlink control information sent by a network side; and if the downlink control information is determined to be used for indicating system information updating, triggering a system information updating process. The system information updating indication method implemented by the network side comprises the following steps: and sending downlink control information to User Equipment (UE), wherein the downlink control information is used for indicating system information updating.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method, an apparatus, and a storage medium for indicating system information update.
Background
In a 5G (fifth generation mobile communication system) NR (New Radio, New air interface) system, System Information (SI) is mainly used for system access, cell selection, and cell-level Radio parameter configuration. The System Information is divided into MIB (Master Information Block) and a plurality of SIBs (System Information Blocks). The existing system information may be classified into two types, one is minimum system information (MinimumSI) that needs to be broadcast, including MIB and SIB1, and the Other is remaining system information (Other SI). The Minimum SI is sent according to periodic broadcast, and the Other SI may be notified to the UE (User Equipment) by way of broadcast or dedicated signaling. When the system information is updated, the RAN (Radio Access Network ) updates the system information by sending an SI change indication in a paging message.
Since in the CU (Centralized Unit) -DU (Distributed Unit) architecture, the SIB and the paging are respectively sent through two messages, when the pdu sends the paging message, it is necessary to confirm whether there is a change in the SIB at that time and whether there is a paging message currently sent, and it may be possible to notify the UE by sending two RRCpaging messages, which increases RRC signaling overhead.
Disclosure of Invention
The embodiment of the invention provides a method, a device and a storage medium for indicating system information update, which are used for reducing resource overhead of system information update.
In a first aspect, a UE-implemented method for indicating system information update is provided, including:
receiving downlink control information sent by a network side;
and if the downlink control information is determined to be used for indicating system information updating, triggering a system information updating process.
In a second aspect, a method for indicating system information update implemented by a network side is provided, including:
and sending downlink control information to User Equipment (UE), wherein the downlink control information is used for indicating system information updating.
In a third aspect, a system information update indication apparatus is provided, including:
a receiving unit, configured to receive downlink control information sent by a network side;
and the processing unit is used for triggering a system information updating process if the downlink control information is determined to be used for indicating system information updating.
In a fourth aspect, a system information update indication apparatus implemented by a network side is provided, including:
a sending unit, configured to send downlink control information to user equipment UE, where the downlink control information is used to indicate system information update.
In a fifth aspect, a communications apparatus is provided that includes a processor, a memory, and a transceiver; the processor is configured to read the program in the memory and execute the steps of any one of the above-mentioned system information update instruction methods.
In a sixth aspect, a computer storage medium is provided, where the computer storage medium stores computer-executable instructions for causing the computer to perform the steps of any one of the above system information update indication methods.
According to the system information update indication method, device and storage medium provided by the embodiment of the invention, the indication information of system information update is carried in the downlink control information, and the indication information of system information update is not required to be sent by occupying a single signaling, so that the system resource overhead is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram illustrating an interaction flow between a network side and a UE side according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating an implementation of a system information update indication method implemented by a UE side in an embodiment of the present invention;
fig. 3 is a schematic flow chart illustrating an implementation of a system information update indication method implemented by the RAN side in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a system information updating apparatus implemented by a UE side in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a system information updating apparatus implemented on a network side according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
Detailed Description
In order to reduce resource overhead of sending indication information of system information update, embodiments of the present invention provide a method, an apparatus, and a storage medium for indicating system information update.
The terms "first," "second," and the like in the description and in the claims, and in the drawings, in the embodiments of the invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein.
Reference herein to "a plurality or a number" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are merely for illustrating and explaining the present invention, and are not intended to limit the present invention, and that the embodiments and features of the embodiments in the present invention may be combined with each other without conflict.
In order to reduce signaling overhead for sending system information, an embodiment of the present invention provides a method for indicating system information update based on a DCI (Downlink Control information) of a PDCCH (Physical Downlink Control Channel), where after a UE (User Equipment) determines to receive the DCI indicating SI update, an SI update procedure is triggered.
As shown in fig. 1, which is a schematic flow chart of an implementation of a method for indicating update of system information according to an embodiment of the present invention, the method includes the following steps:
and S11, the network side sends downlink control information to the UE.
In specific implementation, when the RAN needs to perform SI update, the RAN may send DCI carrying SI (system information) update indication information on the PDCCH.
And S12, if the UE determines that the received downlink control information carries system information updating indication information, triggering a system updating process.
In specific implementation, after receiving DCI sent by RAN, UE determines whether the DCI is DCI for indicating system information update, for example, UE may determine whether the received DCI carries system information update indication information, if so, the UE determines that the received DCI carries the system information update indication information and triggers a system information update process, and if not, determines that the received DCI does not carry the system information update indication information.
And S13, the network side sends the updated system information to the UE.
In the above process, the UE can determine whether system information update is required by receiving the DCI, and can reduce RRC signaling overhead and indicate update of the system information more flexibly by sending a system information update indication through a paging message.
In the embodiment of the present invention, the updating of the system information may be indicated by using DCI in any of the following manners:
a first embodiment, a new DCI format.
In this embodiment, a new DCI format may be added to indicate system information update. I.e., implementation specific, a new DCI format may be introduced to indicate UE system information update. In this way, the UE may determine that the received downlink control information is used to indicate system information update by determining whether the received downlink control information is DCI of a preset format, and if so, determining that the received downlink control information is used to indicate system information update.
In specific implementation, in order to enable the UE to accurately identify the DCI for indicating system information update, a new RNTI (Radio Network temporary Identity) may be introduced, the RAN may scramble the DCI when transmitting the DCI for indicating system information update to the UE, and after receiving the DCI, the UE may determine that the received DCI is the DCI for indicating system information update when receiving downlink control information scrambled by using the preset RNTI.
In specific implementation, the DCI with the preset format includes update indication information corresponding to each type of system information, where the update indication information at least includes one of the following items: in this embodiment, a plurality of bit fields may be used in the DCI to indicate the update indication information of each type of system information, for example, if (M +1) type of system information is common, then (M +1) bit fields may be used in the DCI to indicate the update indication information of each type of system information. Or the downlink control information in the preset format includes update indication information common to all types of system information, in this embodiment, one bit field is adopted in the DCI to carry the update indication information of all types of system information.
Specifically, a bit field indicating update of each type of system information may be set in DCI in a preset format, and whether the corresponding type of system information needs to be updated may be determined according to a value of the bit field, for example, it may be defined that update is needed when a value of the bit field is "1" and update is not needed when a value is "0". In specific implementation, the value of the bit field may be set according to actual needs, which is not limited in the embodiments of the present invention.
Thus, the network side can indicate whether the system information needs to be updated or not for a certain type or a certain plurality of types of system information, and the UE can determine whether the corresponding type of system information needs to be updated or not according to the bit field value corresponding to each type of system information in the received DCI.
Second embodiment, extension of existing DCI Format
In this embodiment, a system information update flag may be added to a DCI format corresponding to an uplink or downlink shared channel, and similar to the first embodiment, the added system information update flag may share one update flag for all system information, or may indicate each type of system information separately.
In order to reduce the complexity of the UE, in the embodiment of the present invention, the configuration information of the system information update may be sent through RRC signaling, for example, may be sent to the UE in SIB 1. Based on this, in the implementation of the present invention, before sending the downlink control information to the UE, the RAN may further include the following steps: the RAN sends RRC (radio resource control) signaling to the UE, where configuration information of system information update is carried, where the configuration information of system information update includes a transmission period of DCI indicating system information update, a used frequency domain resource, and the like.
In the method for indicating system information update provided in the embodiment of the present invention, system information update and paging message are separately transmitted, and DU may transmit corresponding DCI in real time according to the conditions of MIB and SIB1 or other information notified by CU, so that system information update may be more easily and quickly implemented.
Based on the same inventive concept, the embodiments of the present invention further provide a method and an apparatus for indicating system information update implemented by a UE side and a RAN side, respectively, and because the principles of the method and the apparatus for solving the problems are similar to the method for indicating system information update, the method and the apparatus may be implemented by referring to the implementation of the method, and repeated details are not repeated.
As shown in fig. 2, an implementation flow diagram of a method for implementing the system information update indication provided by the present invention for a UE includes the following steps:
and S21, receiving the downlink control information sent by the network side.
And S22, if the received downlink control information is determined to be used for indicating system information updating, triggering a system information updating process.
In one embodiment, the downlink control information may be determined to indicate system information update according to the following procedure:
and determining the downlink control information to be downlink control information with a preset format.
In one embodiment, the downlink control information in the preset format includes update indication information corresponding to each type of system information.
In one embodiment, the determining that the downlink control information is downlink control information in a preset format specifically includes:
and determining the downlink control information as the downlink control information scrambled by using a preset wireless network temporary identifier.
In specific implementation, the system information update indication information includes at least one of the following: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
Optionally, the method for indicating system information more specifically implemented by the UE may further include the following steps:
and receiving the updated system information sent by the network side.
Optionally, the method for indicating system information more specifically implemented by the UE further includes, before receiving the downlink control information sent by the network side:
and receiving a radio resource control signaling sent by the network side, wherein the radio resource control signaling carries configuration information for updating system information.
As shown in fig. 3, an implementation flow diagram of a method for implementing system information update indication provided by the embodiment of the present invention for a RAN includes the following steps:
s31, sending downlink control information to the UE, wherein the downlink control information is used for indicating system information update.
The downlink control information is downlink control information in a preset format.
Optionally, the downlink control information in the preset format includes update indication information corresponding to each type of system information.
And S32, sending the updated system information to the UE.
Optionally, before sending the downlink control information to the user equipment UE, the method further includes:
and scrambling the downlink control information by using a preset wireless network temporary identifier.
In specific implementation, the system information update indication information includes at least one of the following: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
Optionally, before sending the downlink control information to the user equipment UE, the method further includes:
and sending a radio resource control signaling to the UE, wherein the radio resource control signaling carries configuration information of system information update.
As shown in fig. 4, it is a schematic structural diagram of a system information update indication apparatus implemented by a UE side, and includes:
a receiving unit 41, configured to receive downlink control information sent by a network side;
a processing unit 42, configured to trigger a system information update procedure if it is determined that the downlink control information is used to indicate system information update.
The processing unit 42 is configured to determine that the downlink control information is downlink control information in a preset format.
The downlink control information in the preset format includes update indication information corresponding to each type of system information.
Optionally, the processing unit 42 is configured to determine that the downlink control information is downlink control information scrambled by using a preset radio network temporary identifier.
Optionally, the system information update indication information includes at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
Optionally, the receiving unit 41 is further configured to receive updated system information sent by the network side.
Optionally, the receiving unit 41 is further configured to receive a radio resource control signaling sent by a network side before receiving downlink control information sent by the network side, where the radio resource control signaling carries configuration information for updating system information.
As shown in fig. 5, it is a schematic structural diagram of a system information update indication apparatus implemented on the RAN side, including:
a sending unit 51, configured to send downlink control information to the UE, where the downlink control information is used to indicate system information update.
Optionally, the downlink control information is downlink control information in a preset format.
Optionally, the downlink control information in the preset format includes update indication information corresponding to each type of system information.
Optionally, the apparatus for indicating system information update implemented at the RAN side further includes:
a scrambling unit 52, configured to scramble the downlink control information using a preset radio network temporary identifier before the sending unit sends the downlink control information to the UE.
Optionally, the system information update indication information includes at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
Optionally, the sending unit is further configured to send the updated system information to the UE.
Optionally, the sending unit is further configured to send a radio resource control signaling to the UE before sending the downlink control information to the UE, where the radio resource control signaling carries configuration information for updating system information.
For convenience of description, the above parts are separately described as modules (or units) according to functional division. Of course, the functionality of the various modules (or units) may be implemented in the same or in multiple pieces of software or hardware in practicing the invention.
Based on the same technical concept, the embodiment of the present application further provides a communication device, which can implement the method in the foregoing embodiment.
Referring to fig. 6, a schematic structural diagram of a communication device according to an embodiment of the present invention is shown in fig. 6, where the communication device may include: a processor 601, a memory 602, a transceiver 603, and a bus interface.
The processor 601 is responsible for managing the bus architecture and general processing, and the memory 602 may store data used by the processor 601 in performing operations. The transceiver 603 is used for receiving and transmitting data under the control of the processor 601.
The bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 601, and various circuits of memory, represented by memory 602, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The processor 601 is responsible for managing the bus architecture and general processing, and the memory 602 may store data used by the processor 601 in performing operations.
The process disclosed by the embodiment of the invention can be applied to the processor 601 or implemented by the processor 601. In implementation, the steps of the signal processing flow may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 601. The processor 601 may be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like that implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the BWP switching method based on downlink control information disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 602, and the processor 601 reads the information in the memory 602 and completes the steps of the signal processing flow in combination with the hardware thereof.
Specifically, the processor 601 is configured to read a program in a memory and execute any step of the above-mentioned system information update indication method.
Based on the same technical concept, the embodiment of the application also provides a computer storage medium. The computer-readable storage medium stores computer-executable instructions for causing the computer to perform any of the steps of the aforementioned system information update indication method.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (30)
1. A method for indicating system information update, comprising:
receiving downlink control information sent by a network side;
and if the downlink control information is determined to be used for indicating system information updating, triggering a system information updating process.
2. The method of claim 1, wherein the downlink control information is determined for indicating system information update according to the following procedure:
and determining the downlink control information to be downlink control information with a preset format.
3. The method of claim 2, wherein the downlink control information in the preset format includes update indication information corresponding to each type of system information; or the downlink control information in the preset format comprises update indication information shared by all types of system information.
4. The method of claim 2, wherein determining that the downlink control information is downlink control information of a preset format specifically comprises:
and determining the downlink control information as the downlink control information scrambled by using a preset wireless network temporary identifier.
5. The method of claim 4, wherein the system information update indication information comprises at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
6. The method of claim 1, further comprising:
and receiving the updated system information sent by the network side.
7. The method according to any of claims 1 to 6, wherein before receiving the downlink control information sent by the network side, the method further comprises:
and receiving a radio resource control signaling sent by the network side, wherein the radio resource control signaling carries configuration information for updating system information.
8. A method for indicating system information update, comprising:
and sending downlink control information to User Equipment (UE), wherein the downlink control information is used for indicating system information updating.
9. The method of claim 8, wherein the downlink control information is a predetermined format downlink control information.
10. The method of claim 9, wherein the downlink control information in the preset format includes update indication information corresponding to each type of system information; or the downlink control information in the preset format comprises update indication information shared by all types of system information.
11. The method of claim 9, wherein before sending the downlink control information to the UE, further comprising:
and scrambling the downlink control information by using a preset wireless network temporary identifier.
12. The method of claim 11, wherein the system information update indication information comprises at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
13. The method of claim 8, further comprising:
and sending the updated system information to the UE.
14. The method according to any of claims 8 to 13, wherein before sending downlink control information to the UE, further comprising:
and sending a radio resource control signaling to the UE, wherein the radio resource control signaling carries configuration information of system information update.
15. A system information update indication apparatus, comprising:
a receiving unit, configured to receive downlink control information sent by a network side;
and the processing unit is used for triggering a system information updating process if the downlink control information is determined to be used for indicating system information updating.
16. The apparatus of claim 15,
and the processing unit is used for determining that the downlink control information is downlink control information with a preset format.
17. The apparatus of claim 16, wherein the downlink control information in the preset format includes update indication information corresponding to each type of system information; or the downlink control information in the preset format comprises update indication information shared by all types of system information.
18. The apparatus of claim 16,
the processing unit is configured to determine that the downlink control information is downlink control information scrambled by using a preset radio network temporary identifier.
19. The apparatus of claim 18, wherein the system information update indication information comprises at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
20. The apparatus of claim 15,
the receiving unit is further configured to receive the updated system information sent by the network side.
21. The apparatus of any one of claims 15 to 20,
the receiving unit is further configured to receive a radio resource control signaling sent by a network side before receiving downlink control information sent by the network side, where the radio resource control signaling carries configuration information for updating system information.
22. A system information update indication apparatus, comprising:
a sending unit, configured to send downlink control information to user equipment UE, where the downlink control information is used to indicate system information update.
23. The apparatus of claim 22, wherein the downlink control information is a predetermined format downlink control information.
24. The apparatus of claim 23, wherein the downlink control information in the preset format includes update indication information corresponding to each type of system information; or the downlink control information in the preset format comprises update indication information shared by all types of system information.
25. The apparatus of claim 23, further comprising:
and the scrambling unit is used for scrambling the downlink control information by using a preset wireless network temporary identifier before the sending unit sends the downlink control information to the user equipment UE.
26. The apparatus of claim 25, wherein the system information update indication information comprises at least one of: master information block MIB update indication information, system information block SIB1 update indication information, SIB2 update indication information, SIB3 update indication information, and SIB M update indication information, where M is the maximum index value of the SIB type.
27. The apparatus of claim 22,
the sending unit is further configured to send the updated system information to the UE.
28. The apparatus of any one of claims 22 to 27,
the sending unit is further configured to send a radio resource control signaling to the UE before sending downlink control information to the UE, where the radio resource control signaling carries configuration information for updating system information.
29. A communications apparatus, comprising: a processor, a memory, and a transceiver; wherein the memory stores a computer program, and the processor is configured to read the program stored in the memory and execute the method according to any one of claims 1 to 14.
30. A computer storage medium having computer-executable instructions stored thereon for causing a computer to perform the method of any one of claims 1-14.
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| WO2022188717A1 (en) * | 2021-03-11 | 2022-09-15 | 华为技术有限公司 | Information transmission method, apparatus, and system |
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| CN107925952A (en) * | 2015-09-24 | 2018-04-17 | 英特尔Ip公司 | System information Notification of Changes technology for cordless communication network |
| CN106954257A (en) * | 2016-01-07 | 2017-07-14 | 中兴通讯股份有限公司 | Realize method, access network elements, user equipment and the system of system message update |
| WO2017150863A1 (en) * | 2016-02-29 | 2017-09-08 | Samsung Electronics Co., Ltd. | Apparatus and method for signaling system information |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022188717A1 (en) * | 2021-03-11 | 2022-09-15 | 华为技术有限公司 | Information transmission method, apparatus, and system |
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