CN112770361B - Service quality supervision method and system and related equipment - Google Patents
Service quality supervision method and system and related equipment Download PDFInfo
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- CN112770361B CN112770361B CN201910999602.5A CN201910999602A CN112770361B CN 112770361 B CN112770361 B CN 112770361B CN 201910999602 A CN201910999602 A CN 201910999602A CN 112770361 B CN112770361 B CN 112770361B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/364—Delay profiles
Abstract
The disclosure provides a service quality supervision method and system and related equipment, and relates to the field of wireless communication. The method and the device acquire the time information of the wireless access network equipment for receiving the service quality supervision feedback data packet and the time information of the user equipment for sending the service quality supervision feedback data packet by utilizing the PDCP layer packet head reserved bit identification service quality supervision and the feedback data packet thereof, so as to further determine the time delay information between the wireless access network equipment and the user equipment, thereby realizing the supervision of the end-to-end time delay between the wireless access network equipment and the user equipment.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, to a method and system for quality of service supervision and related devices.
Background
In order to achieve end-to-end quality of service (Quality of Service, qoS) guarantees, the access network of the cellular network needs to have the capability to oversee the level of QoS it can provide, i.e. the network capability, in order for the core network to perform QoS configuration and adjustment.
In some related art fifth generation mobile communication networks, monitoring of the transmission rate may be achieved using notification control (Notification Control). However, there is no corresponding supervision technique for other quality of service parameters, such as end-to-end delay, in particular end-to-end delay between a radio access network (Radio Access Network, RAN) device and a User Equipment (UE).
Disclosure of Invention
The present disclosure uses reserved bits of packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer packet header to identify quality of service supervision and its feedback data packet, and obtains time information of receiving the quality of service supervision feedback data packet by radio access network device and time information of sending the quality of service supervision feedback data packet by user device, so as to determine delay information between the radio access network device and the user device, thereby implementing supervision of end-to-end delay between the radio access network device and the user device.
Some embodiments of the present disclosure propose a quality of service supervision method comprising: the wireless access network device sends a service quality supervision data packet to the user device, wherein the Packet Data Convergence Protocol (PDCP) head of the service quality supervision data packet is provided with a first data packet type indication field, and the value of the first data packet type indication field is set to indicate that the data packet is the service quality supervision data packet; the wireless access network device receives a service quality supervision feedback data packet returned by the user device based on the indication of the service quality supervision data packet, the PDCP head part of the service quality supervision feedback data packet is provided with a second data packet type indication field and a time stamp field, the value of the second data packet type indication field is set to indicate that the data packet is the service quality supervision feedback data packet, and the value of the time stamp field is set to be the time information of the user device for sending the service quality supervision feedback data packet; and the wireless access network equipment determines time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of sending the service quality supervision feedback data packet by the user equipment.
Some embodiments of the present disclosure propose a quality of service supervision method comprising: the user equipment receives a service quality supervision data packet sent by the wireless access network equipment, wherein a Packet Data Convergence Protocol (PDCP) head of the service quality supervision data packet is provided with a first data packet type indication field, and the value of the first data packet type indication field is set to indicate that the data packet is the service quality supervision data packet; the user equipment returns a service quality supervision feedback data packet to the wireless access network equipment based on the indication of the service quality supervision data packet, the PDCP header of the service quality supervision feedback data packet is provided with a second data packet type indication field and a time stamp field, the value of the second data packet type indication field is set to indicate that the data packet is the service quality supervision feedback data packet, and the value of the time stamp field is set to time information of the user equipment sending the service quality supervision feedback data packet, so that the wireless access network equipment determines time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of the user equipment sending the service quality supervision feedback data packet.
In some embodiments, the first packet type indication field is located in a reserved bit of a PDCP header of the quality of service supervision packet.
In some embodiments, the PDCP header of the quality of service supervision packet is further provided with a first sequence number field having a value set to the sequence number of the quality of service supervision packet; the PDCP header of the quality of service supervision feedback packet is also provided with a second sequence number field having a value set to the sequence number of the quality of service supervision packet.
In some embodiments, the PDCP header of the quality of service supervision packet is further provided with a protocol data unit indication field, the value of which is configured as indication information of the data protocol data unit.
In some embodiments, the PDCP header of the quality of service supervision feedback packet is further provided with a protocol data unit indication field, the value of which is configured as indication information of the control protocol data unit.
Some embodiments of the present disclosure propose a radio access network device comprising: a memory; and a processor coupled to the memory, the processor configured to perform the quality of service supervision method of any one of the embodiments based on the instructions stored in the memory.
Some embodiments of the present disclosure propose a user equipment comprising: a memory; and a processor coupled to the memory, the processor configured to perform the quality of service supervision method of any one of the embodiments based on the instructions stored in the memory.
Some embodiments of the present disclosure propose a quality of service supervision system comprising: a radio access network device and a user equipment.
Some embodiments of the present disclosure propose a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the quality of service supervision method of any one of the embodiments.
Drawings
The drawings that are required for use in the description of the embodiments or the related art will be briefly described below. The present disclosure will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings,
it will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without inventive faculty.
Fig. 1 is a flow chart of a quality of service supervision method regarding end-to-end delay between a radio access network device and a user equipment according to some embodiments of the present disclosure.
Fig. 2-3 are schematic diagrams of quality of service supervision packets according to some embodiments of the present disclosure.
Fig. 4-5 are schematic diagrams of quality of service supervision feedback packets according to some embodiments of the present disclosure.
Fig. 6 is a schematic structural diagram of a quality of service supervision system according to some embodiments of the present disclosure.
Fig. 7 is a schematic structural diagram of a radio access network device according to some embodiments of the present disclosure.
Fig. 8 is a schematic structural diagram of a user equipment according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure.
Fig. 1 is a flow chart of a quality of service supervision method regarding end-to-end delay between a radio access network device and a user equipment according to some embodiments of the present disclosure.
As shown in FIG. 1, the method of this embodiment includes steps 11-15.
In step 11, the ue reports its own delay supervision related capability to the radio access network device, so as to indicate whether the ue has the delay supervision capability.
The delay supervision related capability may be a boolean (bol) type variable, which indicates that the user equipment has the delay supervision capability when the value of the boolean type variable is true, and indicates that the user equipment does not have the delay supervision capability when the value of the boolean type variable is false.
The user equipment may be, for example, a user terminal such as a mobile phone, a tablet computer, and the like. The radio access network device may be a base station or the like, for example, in a 5G network, the radio access network device is a gndeb (gcb for short, i.e. 5G base station).
In step 12, the radio access network device configures a delay supervision state of the ue with delay supervision capability to be an on state.
In step 13, the radio access network device sends a quality of service supervision packet to the user equipment.
As shown in fig. 2-3, the PDCP header of the quality of service supervision packet is provided with a first packet type indication field, which is an optional field denoted by M, the value of the first packet type indication field being set to indicate that the present packet is a quality of service supervision packet, e.g., the value of the first packet type indication field = 1 or 0,1 indicating that the present packet is a quality of service supervision packet, and 0 indicating that the present packet is a normal packet.
The first packet type indication field is located in a reserved bit of the PDCP header of the quality of service supervision packet, the reserved bit being denoted by R. The PDCP header reserves 3 bits (bits), one of which is occupied by a first packet type indication field.
The PDCP header of the quality of service supervision packet is also provided with a first sequence number field (set to PDCP SN) whose value is set to the sequence number of the quality of service supervision packet. Fig. 2 and 3 differ in that the length of the serial number is different, and fig. 3 is longer than the length of the serial number of fig. 2.
The PDCP header of the quality of service supervision packet is further provided with a protocol data unit indication field (set to D/C), the value of which is configured as D, indicating indication information of a data (Date) protocol data unit (Protocol Data Unit, PDU).
The quality of service supervision packet also includes MAC-I (Message Authority Code Integrity, message authentication code integrity), optional (optical) information. Wherein oct is octet, representing an 8bit group; the contact is a contact and indicates two parts before and after connection.
In step 14, the ue receives the qos supervision packet sent by the radio access network device, and returns a qos supervision feedback packet to the radio access network device based on the indication of the qos supervision packet.
As shown in fig. 4-5, the PDCP header of the quality of service supervision feedback packet is provided with a second packet type indication field (set to PDU type) whose value is set to indicate that the present packet is a quality of service supervision feedback packet and a time stamp field (set to time stamp) whose value is set to time information at which the user equipment transmits the quality of service supervision feedback packet.
Wherein the time stamp may be implemented on a round-robin or wrap-around basis for identifying a time node of a single pass, zeroing when the time stamp exceeds a maximum round-robin value.
The second packet type indication field is located in a reserved bit of the PDCP header of the quality of service supervision packet, the reserved bit being denoted by R. The PDCP header reserves a plurality of bits (bits), and the second packet type indication field occupies some of the bits. For example PDU type=010, indicating that the present packet is used for quality of service supervision feedback.
The PDCP header of the qos supervision feedback packet is further provided with a second sequence number field (set to PDCP SN), where the value of the second sequence number field is set to the sequence number of the corresponding qos supervision packet of the feedback packet. Fig. 4 and 5 differ in that the length of the serial numbers is different, and fig. 5 is longer than the length of the serial numbers of fig. 4.
The PDCP header of the quality of service supervision feedback packet is further provided with a protocol data unit indication field (set to D/C) having a value configured to C, indicating indication information of a control (control) protocol data unit.
In step 15, the radio access network device receives the service quality supervision feedback data packet returned by the user device, and determines the time delay information between the radio access network device and the user device according to the time information of receiving the service quality supervision feedback data packet and the time information of sending the service quality supervision feedback data packet by the user device.
And determining the difference value between the time information of the receiving of the service quality supervision feedback data packet by the wireless access network device and the time information of the sending of the service quality supervision feedback data packet by the user device as the time delay information between the wireless access network device and the user device.
In addition, the radio access network device may also notify the core network of delay information between the radio access network device and the user equipment, such as notifying user plane function (User Plane Function, UPF) devices of the core network, so that the core network performs configuration and adjustment of service quality.
In the above embodiment, the reserved bits of the packet header of the PDCP layer are used to identify the quality of service supervision and the feedback data packet thereof, so as to obtain the time information of the receiving of the quality of service supervision feedback data packet by the radio access network device and the time information of the sending of the quality of service supervision feedback data packet by the user device, and further determine the time delay information between the radio access network device and the user device, thereby realizing the supervision of the end-to-end time delay between the radio access network device and the user device. The improvements of the present disclosure are primarily in the PDCP layer, where no special handling of the data packets is required by other layers.
Fig. 6 is a schematic structural diagram of a quality of service supervision system according to some embodiments of the present disclosure.
As shown in fig. 6, the quality of service supervision system 60 of this embodiment includes a radio access network device 70 and a user equipment 80. One radio access network device 70 may serve one or more user devices 80.
Fig. 7 is a schematic structural diagram of a radio access network device according to some embodiments of the present disclosure.
As shown in fig. 7, the radio access network device 70 of this embodiment includes:
a memory 71; and
a processor 72 coupled to the memory 71, the processor 72 being configured to perform the quality of service supervision method of any one of the embodiments based on instructions stored in the memory.
For example, the radio access network device sends a quality of service supervision packet to the user equipment, wherein a packet data convergence protocol PDCP header of the quality of service supervision packet is provided with a first packet type indication field, and a value of the first packet type indication field is set to indicate that the present packet is a quality of service supervision packet; the wireless access network device receives a quality of service supervision feedback data packet returned by the user device based on the indication of the quality of service supervision data packet, the PDCP header of the quality of service supervision feedback data packet is provided with a second data packet type indication field and a timestamp field, the value of the second data packet type indication field is set to indicate that the data packet is the quality of service supervision feedback data packet, and the value of the timestamp field is set to be the time information of the user device sending the quality of service supervision feedback data packet; and the wireless access network equipment determines time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of sending the service quality supervision feedback data packet by the user equipment.
Fig. 8 is a schematic structural diagram of a user equipment according to some embodiments of the present disclosure.
As shown in fig. 8, the user equipment 80 of this embodiment includes:
a memory 81; and
a processor 82 coupled to the memory 81, the processor 82 being configured to perform the quality of service supervision method of any one of the embodiments based on instructions stored in the memory.
For example, the user equipment receives a quality of service supervision data packet sent by the radio access network equipment, wherein a packet data convergence protocol PDCP header of the quality of service supervision data packet is provided with a first data packet type indication field, and a value of the first data packet type indication field is set to indicate that the data packet is the quality of service supervision data packet; the user equipment returns a service quality supervision feedback data packet to the wireless access network equipment based on the indication of the service quality supervision data packet, a PDCP header of the service quality supervision feedback data packet is provided with a second data packet type indication field and a time stamp field, the value of the second data packet type indication field is set to indicate that the data packet is the service quality supervision feedback data packet, and the value of the time stamp field is set to be the time information of the user equipment sending the service quality supervision feedback data packet, so that the wireless access network equipment determines the time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of the user equipment sending the service quality supervision feedback data packet.
The memories 71, 81 may include, for example, a system memory, a fixed nonvolatile storage medium, and the like. The system memory stores, for example, an operating system, application programs, boot Loader (Boot Loader), and other programs.
The present disclosure also proposes a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the quality of service supervision method of any of the embodiments.
It will be appreciated by those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flowchart and/or block of the flowchart illustrations and/or block diagrams, and combinations of flowcharts 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.
The foregoing description of the preferred embodiments of the present disclosure is not intended to limit the disclosure, but rather to enable any modification, equivalent replacement, improvement or the like, which fall within the spirit and principles of the present disclosure.
Claims (10)
1. A quality of service supervision method, comprising:
the wireless access network equipment receives the time delay supervision related capability reported by the user equipment so as to indicate whether the user equipment has the time delay supervision capability;
the wireless access network equipment configures a time delay supervision state of the user equipment with time delay supervision capability as an on state;
the wireless access network equipment sends a service quality supervision data packet to the user equipment, wherein the Packet Data Convergence Protocol (PDCP) head of the service quality supervision data packet is provided with a first data packet type indication field, and the value of the first data packet type indication field is set to indicate that the data packet is the service quality supervision data packet;
the wireless access network device receives a quality of service supervision feedback data packet returned by the user device based on the indication of the quality of service supervision data packet, the PDCP header of the quality of service supervision feedback data packet is provided with a second data packet type indication field and a timestamp field, the value of the second data packet type indication field is set to indicate that the data packet is the quality of service supervision feedback data packet, and the value of the timestamp field is set to be the time information of the user device sending the quality of service supervision feedback data packet;
and the wireless access network equipment determines time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of sending the service quality supervision feedback data packet by the user equipment.
2. A quality of service supervision method, comprising:
the user equipment reports own time delay supervision related capability to the wireless access network equipment to indicate whether the user equipment has the time delay supervision capability or not, so that the wireless access network equipment configures the time delay supervision state of the user equipment with the time delay supervision capability into an on state;
the method comprises the steps that user equipment receives a service quality supervision data packet sent by radio access network equipment, wherein a Packet Data Convergence Protocol (PDCP) header of the service quality supervision data packet is provided with a first data packet type indication field, and the value of the first data packet type indication field is set to indicate that the data packet is the service quality supervision data packet;
the user equipment returns a service quality supervision feedback data packet to the wireless access network equipment based on the indication of the service quality supervision data packet, a PDCP header of the service quality supervision feedback data packet is provided with a second data packet type indication field and a time stamp field, the value of the second data packet type indication field is set to indicate that the data packet is the service quality supervision feedback data packet, and the value of the time stamp field is set to be the time information of the user equipment sending the service quality supervision feedback data packet, so that the wireless access network equipment determines the time delay information between the wireless access network equipment and the user equipment according to the time information of receiving the service quality supervision feedback data packet and the time information of the user equipment sending the service quality supervision feedback data packet.
3. The method according to claim 1 or 2, wherein the first packet type indication field is located in a reserved bit of a PDCP header of the quality of service supervision packet.
4. A method according to claim 1 or 2, characterized in that,
the PDCP header of the quality of service supervision data packet is also provided with a first sequence number field, and the value of the first sequence number field is set as the sequence number of the quality of service supervision data packet;
the PDCP header of the quality of service supervision feedback packet is further provided with a second sequence number field having a value set to the sequence number of the quality of service supervision packet.
5. The method according to claim 1 or 2, wherein the PDCP header of the quality of service supervision packet is further provided with a protocol data unit indication field, the value of which is configured as an indication of a data protocol data unit.
6. The method according to claim 1 or 2, characterized in that the PDCP header of the quality of service supervision feedback packet is further provided with a protocol data unit indication field, the value of which is configured as indication information of a control protocol data unit.
7. A radio access network device comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the quality of service supervision method of any one of claims 1,3-6 based on instructions stored in the memory.
8. A user equipment, comprising:
a memory; and
a processor coupled to the memory, the processor configured to perform the quality of service supervision method of any one of claims 2,3-6 based on instructions stored in the memory.
9. A quality of service supervision system comprising:
the radio access network device of claim 7 and the user equipment of claim 8.
10. A non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the quality of service supervision method of any one of claims 1-6.
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| WO2016201643A1 (en) * | 2015-06-17 | 2016-12-22 | 华为技术有限公司 | Data transmission method and apparatus for internet of vehicles |
| CN109688594A (en) * | 2017-10-18 | 2019-04-26 | 中国电信股份有限公司 | Time delay monitoring method, base station and terminal and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100027524A1 (en) * | 2008-07-31 | 2010-02-04 | Nokia Corporation | Radio layer emulation of real time protocol sequence number and timestamp |
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| CN101360271A (en) * | 2007-08-01 | 2009-02-04 | 华为技术有限公司 | Wireless bearing method, apparatus and system for circuit domain service data |
| WO2016201643A1 (en) * | 2015-06-17 | 2016-12-22 | 华为技术有限公司 | Data transmission method and apparatus for internet of vehicles |
| CN109688594A (en) * | 2017-10-18 | 2019-04-26 | 中国电信股份有限公司 | Time delay monitoring method, base station and terminal and computer storage medium |
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