Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/20—Control channels or signalling for resource management

Definitions

• Embodiments of the present invention relate to the field of communications technologies, and, more particularly, to an uplink channel resource configuration method and apparatus. Background technique
• the base station controls the allocation of PUSCH (Physical Uplink Shared Channel) and PDSCH (Physical Downlink Shared Channel) channel resources.
• PUSCH Physical Uplink Shared Channel
• PDSCH Physical Downlink Shared Channel
• the UE User Equipment
• the UE In the uplink, data is sent by the UE (User Equipment) to the base station.
• the UE When the UE needs to send the uplink data, the UE first informs the base station of the amount of uplink data buffered in the logical channel group of the current UE through the BSR (Buffer Status Report).
• the BSR is encapsulated in a MAC PDU (Protocol Data Unit) as a MAC (Media Access Control) element and reported to the base station through the PUSCH channel.
• MAC PDU Protocol Data Unit
• the UE requests the scheduling by transmitting an SR (Scheduling Request) to the base station on the PUCCH (Physical Uplink Control Channel) channel.
• PUCCH Physical Uplink Control Channel
• the base station configures a PUCCH resource for transmitting the SR in advance for the UE.
• the SR only carries the lbit information (indicating the presence or absence of the uplink data).
• the base station needs to allocate the uplink channel resource to the UE so that the UE can send the BSR.
• Such signaling transmission increases the signaling overhead.
• the embodiments of the present invention provide an uplink channel resource configuration method and device, which can reduce signaling overhead.
• a method for configuring an uplink channel resource including: sending resource configuration information to a user equipment, where the resource configuration information is used to indicate a first scheduling request SR resource and at least one second SR resource, where the first SR The resource is used by the user equipment to send the first SR, where the first SR indicates whether the user equipment needs to send uplink data, and the at least one second SR resource corresponds to different data volume and/or priority of the uplink data. level.
• an uplink channel resource configuration method including: receiving resource configuration information sent by a base station, where the resource configuration information is used to indicate a first scheduling request SR resource and at least one second SR resource, where the first The SR resource is used by the user equipment to send the first SR, where the first SR indicates whether the user equipment needs to send uplink data, and the at least one second SR resource corresponds to different data volume and/or priority of the uplink data.
• a base station including: a generating unit, configured to generate resource configuration information, where the resource configuration information is used to indicate a first scheduling request SR resource and at least one second SR resource, where the first SR resource
• the user equipment is configured to send the first SR, where the first SR indicates whether the user equipment needs to send uplink data, and the at least one second SR resource corresponds to different data volume and/or priority of the uplink data.
• a sending unit configured to send, to the user equipment, resource configuration information generated by the generating unit.
• a user equipment including: a receiving unit, configured to receive resource configuration information sent by a base station; and a determining unit, configured to determine a first scheduling request SR indicated by the resource configuration information received by the receiving unit And the at least one second SR resource, where the first SR resource is sent by the user equipment, where the first SR indicates whether the user equipment needs to send uplink data, and the at least one second SR resource corresponds to an uplink.
• the amount of data and/or priority of the data is provided, including: a receiving unit, configured to receive resource configuration information sent by a base station; and a determining unit, configured to determine a first scheduling request SR indicated by the resource configuration information received by the receiving unit And the at least one second SR resource, where the first SR resource is sent by the user equipment, where the first SR indicates whether the user equipment needs to send uplink data, and the at least one second SR resource corresponds to an uplink. The amount of data and/or priority of the data.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• FIG. 1 is a flowchart of a method for configuring an uplink channel resource according to an embodiment of the present invention.
• FIG. 2 is a flowchart of a method for configuring an uplink channel resource according to another embodiment of the present invention.
• FIG. 3 is a structural block diagram of a base station according to an embodiment of the present invention.
• FIG. 4 is a block diagram showing the structure of a base station according to another embodiment of the present invention.
• FIG. 5 is a structural block diagram of a user equipment according to another embodiment of the present invention.
• FIG. 6 is a structural block diagram of a user equipment according to another embodiment of the present invention. detailed description
• GSM Global System of Mobile Communication
• CDMA Code Division Multiple Access
• WCDMA Wideband Code Division Multiple Access
• GPRS General Packet Radio Service
• LTE Long Term Evolution
• a user equipment which may also be called a mobile terminal (Mobile Terminal), a mobile user equipment, etc., may communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network).
• the user equipment may be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal, for example, a mobile device that can be portable, pocket, handheld, computer built, or in-vehicle,
• the wireless access network exchanges languages and/or data.
• the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.
• BTS Base Transceiver Station
• NodeB base station
• eNB evolved base station
• e-NodeB evolutional Node B
• FIG. 1 is a flowchart of a method for configuring an uplink channel resource according to an embodiment of the present invention. The method of Figure 1 is performed by a base station.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• the first SR resource and the second SR resource may belong to the same uplink channel PUCCH or PRACH (Physical Random Access Channel) channel.
• PUCCH or PRACH Physical Random Access Channel
• the use of the same uplink channel to transmit the first SR and the second SR can also reduce the delay, so that the base station can learn the amount and/or priority of the data that the user equipment wants to transmit more quickly, so that the user equipment can be scheduled more quickly. , improve system efficiency.
• first SR resource and the second SR resource may also be transmitted in different uplink channels PUCCH or PRACH, respectively.
• the base station may send an RRC message to the user equipment, where the RRC message carries resource configuration information.
• the embodiment of the present invention does not limit the specific form of the RRC message.
• the RRC message may be an RRC connection setup message, an RRC connection reconfiguration message, or an RRC connection re-establishment message.
• different data amounts corresponding to the second SR resource may be represented by a data magnitude or a data volume interval.
• the data volume set corresponding to the second SR resource may be composed of one or more data magnitudes, and may also be composed of one or more data volume intervals.
• the data volume corresponding to the second SR resource may be a data volume interval [F1, F2], or may be a maximum threshold or a minimum threshold value of F3, or may be a data magnitude F4.
• the data volume interval may be a closed interval, an open interval, or a half open half-closed interval, which is not limited by the embodiment of the present invention.
• the data priority may correspond to a logical channel priority
• the at least one second SR resource corresponds to a different data priority set of the uplink data.
• the data priority set corresponding to the second SR resource may be composed of one or more data priority values, and may also be composed of one or more data priority intervals.
• the data priority set corresponding to the second SR resource may be a data priority interval [C1, C2], or may be a data priority interval with a maximum threshold or a minimum threshold of C3, or may be a data. Priority value C4.
• the data priority interval may be a closed interval, an open interval, or a half open half-closed interval, which is not limited in the embodiment of the present invention.
• the embodiment of the present invention does not limit the corresponding manner between the second SR resource and the data volume/priority.
• the base station may configure a part of the second SR resource for the user equipment to correspond to different data amounts of the uplink data, and another part of the second SR resource corresponds to different data priorities of the uplink data.
• the first M second SR resources correspond to different data amounts
• the last N second SRs correspond to different Priority, where M and N are non-negative integers.
• the same second SR resource configured by the base station for the user equipment can simultaneously correspond to the data volume and priority of the uplink data.
• the first SR resource corresponds to the data volume being al and the priority is bl
• the second The SR resource corresponds to a data amount of al and a priority of b2
• the third SR corresponds to a data amount of a2 and a priority of b2, and the like.
• the base station and the user equipment may pre-negotiate or pre-set at least one second SR resource configured by the base station for the user equipment to correspond to different data amounts and/or priorities. In this case, only the corresponding resources need to be indicated in the resource configuration information.
• the base station sends, to the user equipment, the configured at least one second SR resource corresponding to different data volume and/or priority information, for example, indicating the data amount and/or priority corresponding to each SR resource in the form of a list.
• the invention is not limited thereto.
• the base station may further receive the first SR sent by the user equipment on the first SR resource, and when the first SR indicates that the user equipment needs to send uplink data, receive the user equipment in the second SR resource. And transmitting, by the second SR, the data quantity in which the amount of uplink data is located and/or the data priority in which the priority of the uplink data is located, according to the second SR, to perform uplink resource scheduling.
• the embodiment of the present invention does not limit the specific manner in which the base station performs the uplink resource scheduling according to the data volume and/or the priority of the uplink data. For example, the same process in the prior art can be referred to.
• the base station can reasonably schedule the uplink resources to ensure that the user equipment completes the uplink data transmission, does not perform subsequent scheduling, and reduces the uplink data transmission delay.
• FIG. 2 is a flowchart of a method for configuring an uplink channel resource according to another embodiment of the present invention.
• the method of Fig. 2 is executed by the user equipment and corresponds to the method of Fig. 1, and thus the description overlapping with the embodiment of Fig. 1 will be omitted as appropriate.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• the first SR resource and the second SR resource may belong to the same Uplink channel PUCCH or PRACH (Physical Random Access) channel.
• the user equipment can transmit the first SR and the second SR in the same uplink channel PUCCH or PRACH.
• the use of the same uplink channel to transmit the first SR and the second SR can also reduce the delay, so that the base station can learn the amount and/or priority of the data that the user equipment wants to transmit more quickly, so that the user equipment can be scheduled more quickly. , improve system efficiency.
• first SR resource and the second SR resource may also be transmitted in different uplink channels PUCCH or PRACH, respectively.
• the user equipment may receive an RRC message sent by the base station, where the RRC message carries resource configuration information.
• the embodiment of the present invention does not limit the specific form of the RRC message.
• the RRC message may be an RRC connection setup message, an RRC connection reconfiguration message, or an RRC connection re-establishment message.
• different data amounts corresponding to the second SR resource may be represented by a data magnitude or a data volume interval.
• the data volume set corresponding to the second SR resource may be composed of one or more data magnitudes, and may also be composed of one or more data volume intervals.
• the corresponding manners for the second SR resource and the data amount set are as described above, and are not described again.
• the data priority may correspond to a logical channel priority
• the at least one second SR resource corresponds to a different data priority set of the uplink data.
• the data priority set corresponding to the second SR resource may be composed of one or more data priority values, and may also be composed of one or more data priority intervals. The corresponding manners for the second SR resource and the data priority set are as described above, and are not described again.
• the embodiment of the present invention does not limit the correspondence between the second SR resource and the data volume/priority.
• the base station may configure a part of the second SR resource for the user equipment to correspond to different data amounts of the uplink data, and another part of the second SR resource corresponds to different data priorities of the uplink data.
• the same second SR resource configured by the base station for the user equipment can simultaneously correspond to the data volume and priority of the uplink data.
• the correspondence between the second SR resource and the data volume/priority is as described above, and will not be described again.
• the base station and the user equipment may pre-negotiate or pre-set at least one second SR resource configured by the base station for the user equipment to correspond to different data amounts and/or priorities, and only need to indicate the corresponding resources in the resource configuration information.
• the user equipment receives information that the configured at least one second SR resource of the base station corresponds to different data volume and/or priority, for example, indicating the data amount and/or priority corresponding to each SR resource in the form of a list.
• the invention is not limited thereto.
• the user equipment when the user equipment needs to send uplink data to the base station, the user equipment sends the first SR on the first SR resource, where the first SR indicates that the user equipment needs to send uplink data, according to the uplink data.
• the data volume and/or the priority of the uplink data is sent to the second SR on the corresponding second SR resource, so that the base station determines the data volume and/or priority of the uplink data that the user equipment needs to send according to the second SR, and performs uplink Resource Scheduling.
• the embodiment of the present invention can refer to the same process in the prior art according to the base station.
• the base station can reasonably schedule the uplink resources to ensure that the user equipment completes the uplink data transmission, does not perform subsequent scheduling, and reduces the uplink data transmission delay.
• the number of second SR resources configured by the base station for the user equipment, the selection of the uplink channel, the data volume set, and/or the selection of elements in the data priority set, and the user equipment need to understand the embodiment of the present invention, and It is not intended to limit the scope of the invention.
• the user equipment receives the resource configuration information sent by the base station, where the resource configuration information indicates the first SR resource and the three second SR resources, where the first SR resource indicates whether the user equipment needs to send uplink data, and the first second SR resource
• the corresponding data amount set is a data amount interval (0, 42) Bytes (byte)
• the second second SR resource corresponding data amount set is a data amount interval (42, 55] Bytes
• the third second The data amount corresponding to the SR resource is a data volume interval greater than 55 Bytes.
• the amount of uplink data is a value between (42, 55) Bytes, such as 43 Bytes.
• An SR and the second SR both carry the lbit information, and the user equipment sends the first SR to the first SR resource, indicating that the user equipment needs to send the uplink data, and according to the amount of the uplink data, the corresponding second second SR resource.
• the second SR is sent to indicate that the amount of uplink data (43 Bytes) that the user equipment needs to transmit is a data amount interval (42, 55] Bytes.
• the base station sends the resource configuration information to the user equipment, where the resource configuration information indicates the first SR resource and the two second SR resources, where the first SR resource indicates whether the user equipment needs to send uplink data, and the first second SR resource
• the corresponding data amount set is a data amount interval [42, 55] Bytes
• the second second SR resource corresponding data amount set is a data quantity value of 40 Bytes.
• the uplink data packet that the user equipment needs to send is the TCP ACK (Acknowledgement) of the TCP (Transmission Control Protocol) option
• the data amount is in the interval [42, 55] Bytes
• the corresponding first The second SR is sent on the second SR resource (for example, the first second SR is "1").
• the uplink data packet that the user equipment needs to send is the data volume corresponding to the TCP ACK that does not carry the TCP option, the amount of data is 40 Bytes.
• the second second SR resource is sent to the second SR (for example, the second second SR is "1"), and the base station determines, according to the second SR sent by the user equipment on the second SR resource, the uplink that the user equipment needs to send.
• the amount of data in which the amount of data is located.
• the base station obtains the uplink data volume information of the user equipment, and the user equipment is configured with the uplink channel resource for sending the uplink data by the user equipment, thereby reducing the overhead of the BSR signaling and ensuring that the user equipment sends the uplink data. Complete, no subsequent scheduling is performed, and the uplink data transmission delay is reduced.
• the base station sends the resource configuration information to the user equipment, where the resource configuration information indicates the first SR resource and the first second SR resource, where the first SR resource indicates whether the user equipment needs to send the uplink data, and the data corresponding to the second SR resource.
• the elements in the priority set are two data priority values of 1 and 2, respectively. If the user equipment has uplink data to be sent, and the priority of the uplink data is 1 or 2, the first SR (for example, "1") sent by the user equipment on the first SR resource indicates that the user equipment needs to be sent. The uplink data, and the second SR (for example, "1") transmitted on the second SR resource indicates that the priority of the uplink data is in the priority of 1 or 2.
• the base station obtains the priority information of the uplink data of the user equipment, and reasonably schedules the uplink channel resources used by the user equipment to send the uplink data, thereby reducing the overhead of the BSR signaling and reducing the uplink data transmission with high priority. Delay.
• the base station may configure a part of the second SR resource for the user equipment to correspond to different data amounts of the uplink data, and another part of the second SR resource corresponds to different data priorities of the uplink data.
• the same second SR resource configured by the base station for the user equipment can simultaneously correspond to the data volume and priority of the uplink data.
• the base station sends the resource configuration information to the user equipment, where the resource configuration information indicates the first SR resource and the first second SR resource, where the first SR resource indicates whether the user equipment needs to send the uplink data, and the data corresponding to the second SR resource.
• the element in the priority set is a data amount interval [42, 55] Bytes and the data priority value is 1.
• the user equipment has the number of uplinks that need to be sent And, when the priority of the uplink data is 1 and the amount of the uplink data is a value between [42, 55] Bytes, the first SR sent by the user equipment on the first SR resource (for example, "1" Indicates that the user equipment has uplink data to be transmitted, and the second SR (for example, "1") transmitted on the second SR resource indicates that the priority of the uplink data is 1 and the data of the uplink data is located. Volume interval [42, 55] Bytes.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• FIG. 3 is a structural block diagram of a base station according to an embodiment of the present invention.
• the base station 30 of Fig. 3 includes a generating unit 31 and a transmitting unit 32.
• the generating unit 31 generates resource configuration information, where the resource configuration information is used to indicate the first SR resource and the at least one second SR resource, where the first SR resource is used by the user equipment to send the first SR, where the first SR indicates whether the user equipment needs The uplink data is sent, and the at least one second SR resource corresponds to a different data amount and/or priority of the uplink data.
• the transmitting unit 32 transmits the resource configuration information generated by the generating unit 31 to the user equipment.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• the base station 30 can implement the steps involved in the base station in the method of Fig. 1. To avoid repetition, it will not be described in detail.
• the first SR resource and the second SR resource indicated by the resource configuration information generated by the generating unit 31 may belong to the same uplink channel PUCCH or PRACH (Physical Random Access Channel) channel.
• the user equipment can transmit the first SR and the second SR in the same uplink channel PUCCH or PRACH.
• the use of the same uplink channel to transmit the first SR and the second SR can also reduce the delay, so that the base station can more quickly know the amount of data and/or priority that the user equipment wants to transmit, thereby enabling scheduling of the user equipment more quickly. , improve system efficiency.
• first SR resource and the second SR resource may also be in different uplink channels respectively. Transfer in PUCCH or PRACH.
• the sending unit 32 may send an RRC message to the user equipment, where the RRC message carries resource configuration information.
• the embodiment of the present invention does not limit the specific form of the RRC message.
• the RRC message may be an RRC connection setup message, an RRC connection reconfiguration message, or an RRC connection re-establishment message.
• the base station 40 of FIG. 4 is a block diagram of a base station according to another embodiment of the present invention.
• the base station 40 of FIG. 4 is a non-limiting embodiment of the base station 30 of FIG. 3, including all portions of the base station 30, and accordingly the corresponding description is omitted as appropriate.
• the base station 40 further includes a receiving unit 33, a determining unit 34, and a scheduling unit 35.
• the receiving unit 33 receives the first SR sent by the user equipment on the first SR resource, and detects that the user equipment is in the second SR when the first SR indicates that the user equipment needs to send uplink data.
• the base station can reasonably schedule the uplink resources to ensure that the user equipment completes the uplink data transmission, does not perform subsequent scheduling, and reduces the uplink data transmission delay.
• FIG. 5 is a structural block diagram of a user equipment according to another embodiment of the present invention.
• the user equipment 50 of FIG. 5 includes a receiving unit 51 and a determining unit 52.
• the receiving unit 51 receives the resource configuration information sent by the base station.
• the determining unit 52 determines the first SR resource indicated by the resource configuration information received by the receiving unit 51 and the at least one second SR resource, where the first SR resource is used by the user equipment to send the first SR, where the first SR indicates whether the user equipment is The uplink data needs to be sent, and the at least one second SR resource corresponds to a different data amount and/or priority of the uplink data.
• the base station not only configures the first SR resource for the user equipment, so that the user equipment indicates whether the uplink data needs to be transmitted, and also configures the second SR resource for the user equipment, so that the user equipment indicates the corresponding data volume and/or in the uplink channel. Priority, so that multiple signaling interactions between the base station and the user equipment are not required, and the signaling overhead can be effectively reduced.
• the user equipment 50 can implement various steps involved in the base station in the method of FIG. 2, and is not described in detail to avoid repetition.
• the determining unit 52 determines that the first SR resource indicated by the resource configuration information received by the receiving unit 51 and the at least one second SR resource may belong to the same uplink channel PUCCH or PRACH (Physical Random Access, physical Random access channel) channel.
• PUCCH or PRACH Physical Random Access, physical Random access channel
• the user equipment can transmit the first SR and the second SR in the same uplink channel PUCCH or PRACH.
• the use of the same uplink channel to transmit the first SR and the second SR can also reduce the delay, so that the base station can learn the amount and/or priority of the data that the user equipment wants to transmit more quickly, so that the user equipment can be scheduled more quickly. , improve system efficiency.
• first SR resource and the second SR resource may also be transmitted in different uplink channels PUCCH or PRACH, respectively.
• the receiving unit 51 may receive an RRC message sent by the base station, where the RRC message carries resource configuration information.
• the embodiment of the present invention does not limit the specific form of the RRC message.
• the RRC message may be an RRC connection setup message, an RRC connection reconfiguration message, or an RRC connection re-establishment message.
• FIG. 6 is a structural block diagram of a user equipment according to another embodiment of the present invention.
• the user device 60 of Figure 6 is a non-limiting embodiment of the user device 50 of Figure 5, including all portions of the user device 50, and accordingly the corresponding description is omitted as appropriate.
• the user equipment 60 further includes a transmitting unit 53.
• the sending unit 53 sends, on the first SR resource, a first SR that is used to indicate that the user equipment needs to send uplink data, and according to the uplink data.
• the amount of data and/or priority sends a second SR on the corresponding second SR resource.
• the delay can also be reduced, so that the base station can more quickly know the amount and/or priority of the data that the user equipment wants to transmit, so that the user equipment can be scheduled faster and the system efficiency can be improved.
• a communication system may include the above-described base station 30/40 or the above-described user equipment 50/60.
• the disclosed systems, devices, and methods may be implemented in other ways.
• the device embodiments described above are merely illustrative
• the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined or may be integrated into another system, or some features may be Ignore, or not execute.
• the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
• the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
• each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
• the functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
• the technical solution of the present invention which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including
• the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
• the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Citations (3)

• 2012
  • 2012-05-09 WO PCT/CN2012/075251 patent/WO2013166670A1/fr not_active Ceased
  • 2012-05-09 CN CN201280000539.6A patent/CN103535099A/zh active Pending

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