CN108430077A - Method for service quality identification and wireless access network element equipment - Google Patents

Abstract

The present invention discloses a quality of service identification method and a wireless access network element device, wherein the method includes: the wireless access network element device converts Internet Protocol (IP) data flow, service quality (QoS) flow and air interface data The mapping relationship between bearers (DRB) is stored locally, and the mapping relationship is carried in dedicated signaling and sent to the terminal (UE). The mapping relationship is generated during each session establishment process, or has been generated before the session establishment and stored in the wireless access network element device; after the wireless access network element device perceives the uplink IP data flow, it obtains the QoS flow according to the mapping relationship and identifies the uplink data transmission, and carries the QoS flow identifier in the uplink data flow middle.

Description

Method for service quality identification and wireless access network element equipment

technical field

The invention relates to wireless communication technology, in particular to a quality of service (QoS) identification method and wireless access network element equipment.

Background technique

In the 5G scenario, it is necessary to implement a flow based QoS solution that supports the quality of service to replace the QoS mechanism of the end-to-end evolved packet system bearer (EPS bearer) to achieve finer-grained QoS control. Good to meet the business needs of users. To achieve this goal, a key point is to identify the business flow (flow).

At present, the process of identifying flow in the prior art is: the uplink (UL) flow QoS uses the same identifier as the downlink (DL) flow QoS, that is, the uplink uses the same QoS identifier as the downlink, and for the downlink , the identification of the DL service flow is completed in the core network, and then transmitted to the wireless network for processing.

The problems existing in the existing technology are: 1) First, from the perspective of reflective QoS, the user plane of the DL air interface needs to display and transmit a QoS Flow ID, that is, display the QoS Flow M->DRB N mapping, so as to realize the terminal UL QoS Flow M to DRB N mapping, this method will cause waste of air interface resources. Wherein, the mapping of QoS Flow M to DRB N is a specific implementation of mapping from quality of service flow to air interface data bearer. In the second aspect, from the perspective of UL, since the radio access network (RAN) does not perceive the information of IP flow T, it is necessary for the air interface user plane to transmit a QoS Flow IDM identifier, and implement the UL QoS Flow M identifier on the RAN to achieve the transmission identifier (transport marking), this method will also cause a waste of air interface resources.

However, in the related art, there is no effective solution to the above problems.

Contents of the invention

In view of this, the embodiments of the present invention hope to provide a QoS identification method and wireless access network element equipment, which at least solve the problems existing in the prior art.

The technical scheme of the embodiment of the present invention is realized like this:

A method for QoS identification according to an embodiment of the present invention, the method comprising:

The wireless access network element device stores the mapping relationship between the Internet Protocol (IP) data flow, the QoS flow and the air interface data bearer (DRB) locally, carries the mapping relationship in dedicated signaling and sends it to the terminal (UE), The mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the wireless access network element device before the session establishment;

After sensing the uplink IP data flow, the wireless access network element device obtains the QoS flow according to the mapping relationship, identifies the uplink data transmission, and carries the QoS flow identifier in the uplink data flow.

In the above scheme, the method also includes:

The wireless access network element device receives the first mapping relationship between the IP data flow and the QoS flow transmitted from the control plane of the core network;

Determine the second mapping relationship between the QoS flow and the DRB;

The mapping relationship is composed of the first mapping relationship and the second mapping relationship.

In the above solution, the sending the mapping relationship to the UE in dedicated signaling includes:

The wireless access network element device carries the mapping relationship between the uplink IP data flow, the QoS flow and the DRB in dedicated signaling and sends it to the UE.

In the above solution, after the wireless access network element device perceives the uplink IP data flow, it obtains the QoS flow according to the mapping relationship and identifies the uplink data transmission, including:

Before the wireless access network element device perceives the uplink IP data flow, the uplink IP data flow is mapped to the DRB;

When the wireless access network element device analyzes the uplink IP data packet, it obtains the QoS flow according to the mapping from the IP data flow to the QoS flow, and carries out a transmission identification for the uplink data transmission according to the QoS flow, so as to carry the QoS flow identification in the uplink data .

A wireless access network element device according to an embodiment of the present invention, the wireless access network element device includes:

The storage unit is used to store the mapping relationship between the IP data flow, the QoS flow and the DRB locally;

A sending unit, configured to carry the mapping relationship in dedicated signaling and send it to the UE, the mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the radio access network element before the session establishment equipment;

The identification unit is configured to obtain the QoS flow according to the mapping relationship after sensing the uplink IP data flow, identify the uplink data transmission, and carry the QoS flow identifier in the uplink data flow.

In the above solution, the wireless access network element device further includes:

The receiving unit is configured to: receive the first mapping relationship between the IP data flow and the QoS flow transmitted from the core network control plane;

A determining unit, configured to determine a second mapping relationship between a QoS flow and a DRB, where the mapping relationship consists of the first mapping relationship and the second mapping relationship.

In the above solution, the sending unit is further used for:

Carry the mapping relationship between the uplink IP data flow, QoS flow and DRB in the dedicated signaling and send it to the UE.

In the above solution, the identification unit is further used for:

Before sensing the upstream IP data flow, the upstream IP data flow is mapped to the DRB;

When analyzing the uplink IP data packet, the QoS flow is obtained according to the mapping from the IP data flow to the QoS flow, and the uplink data transmission is identified according to the QoS flow, so as to carry the QoS flow identifier in the uplink data.

A kind of Qos identification method of the embodiment of the present invention, described method comprises:

The wireless access network element device stores the mapping relationship between IP data flow, QoS flow and DRB locally, carries the mapping relationship in dedicated signaling and sends it to the UE, and the mapping relationship is generated during each session establishment process and stored, or generated and stored in the wireless access network element device before the session is established;

The wireless access network element device perceives the reflected downlink IP data flow, carries the QoS flow identifier in the reflected downlink IP data flow, and maps the QoS flow to the DRB for transmission.

In the above scheme, the method also includes:

The wireless access network element device receives the first mapping relationship between the IP data flow reflected from the core network control plane and the QoS flow;

Determine the second mapping relationship between the QoS flow and the DRB;

The mapping relationship is composed of the first mapping relationship and the second mapping relationship.

In the above solution, the sending the mapping relationship to the UE in dedicated signaling includes:

The wireless access network element device carries the mapping relationship between the reflected IP data flow, the QoS flow and the DRB in dedicated signaling and sends it to the UE.

In the above solution, before the wireless access network element device perceives the reflected downlink IP data flow, for the reflected downlink IP data flow, the core network user plane identifies the QoS flow in the downlink user plane data, so that the reflected The QoS flow identifier is carried in the downlink IP data flow.

In the above solution, after the wireless access network element device maps the QoS flow to the DRB and transmits it, if a change is sent for the mapping of the reflected QoS QoS flow to the DRB, the wireless access network element device passes the dedicated signal order to notify the UE of the change of the mapping relationship.

In the above solution, after the wireless access network element equipment maps the QoS flow to the DRB and transmits it, for the reflected uplink IP data flow, the UE maps the reflected uplink IP data flow to the DRB.

A wireless access network element device according to an embodiment of the present invention, the wireless access network element device includes:

The storage unit is used to store the mapping relationship between the IP data flow, the QoS flow and the DRB locally;

A sending unit, configured to carry the mapping relationship in dedicated signaling and send it to the UE, the mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the radio access network element before the session establishment equipment;

The transmission unit is configured to perceive the reflected downlink IP data flow, carry the QoS flow identifier in the reflected downlink IP data flow, map the QoS flow to the DRB and transmit it.

In the above solution, the wireless access network element device further includes:

The receiving unit is configured to: receive the first mapping relationship between the IP data flow reflected from the core network control plane and the QoS flow;

A determining unit, configured to determine a second mapping relationship between a QoS flow and a DRB, where the mapping relationship consists of the first mapping relationship and the second mapping relationship.

In the above solution, the sending unit is further used for:

Carry the mapping relationship among the reflected IP data flow, QoS flow and DRB in the dedicated signaling and send it to the UE.

In the above solution, the transmission unit is further configured to identify the QoS flow in the downlink user plane data through the user plane of the core network for the reflected downlink IP data flow before sensing the reflected downlink IP data flow, so that the reflected The QoS flow identifier is carried in the downlink IP data flow.

In the above solution, the wireless access network element device further includes:

The notification unit is used for notifying the UE of the change of the mapping relationship through the dedicated signaling if the mapping transmission of the QoS flow to the DRB for reflected QoS changes after the QoS flow is mapped to the DRB and transmitted.

In the above solution, the transmission unit is further configured to map the QoS flow to the DRB and transmit it, and then map the reflected uplink IP data flow to the DRB through the UE for the reflected uplink IP data flow.

The method for QoS identification in the embodiment of the present invention includes: the wireless access network element device stores the mapping relationship between the IP data flow, the QoS flow and the DRB locally, and carries the mapping relationship in dedicated signaling and sends it to the UE, so that The above mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the wireless access network element device before the session is established; after the wireless access network element device senses the uplink IP data flow, according to the mapping relationship Obtain the QoS flow and identify the uplink data transmission, and carry the QoS flow identifier in the uplink data flow. By adopting the embodiment of the present invention, dedicated signaling is used to realize the mapping of UL flow QoS ID to DRB and the corresponding transmission identification function, so that air interface resources will not be wasted.

Description of drawings

Fig. 1 is a flow chart of implementing a method according to Embodiment 1 of the present invention;

FIG. 2 is a flow chart for realizing another method of the embodiment of the present invention;

FIG. 3 is a flow chart for realizing another method of the embodiment of the present invention;

FIG. 4 is a flow chart of applying an application scenario according to Embodiment 1 of the present invention;

FIG. 5 is a flow chart of another application scenario of an embodiment of the present invention;

Fig. 6 is a flow chart of still another application scenario according to the embodiment of the present invention.

Detailed ways

The implementation of the technical solution will be further described in detail below in conjunction with the accompanying drawings.

Embodiment one:

A kind of service quality identification method of the embodiment of the present invention, as shown in Figure 1, described method comprises:

Step 101, the wireless access network element device locally stores the mapping relationship among IP data flow, QoS flow and DRB.

Here, in the process of generating the mapping relationship, the wireless access network element device receives the first mapping relationship used to represent the association between the IP data flow and the QoS flow. Specifically, the wireless access network element device receives the first mapping relationship transmitted from the core network control plane. The mapping relationship between IP data flow and QoS flow. After the wireless access network element device stores the first mapping relationship, it further determines the second mapping relationship between QoS flows and DRBs. A mapping relationship among IP data flows, QoS flows, and DRBs formed according to the first mapping relationship and the second mapping relationship.

Here, the mapping relationship is generated and stored during each session establishment process, that is, the above mapping relationship needs to be established each time a session is established, or it has been generated and stored in the wireless access network element device before the session establishment, that is, the above The mapping relationship only needs to be established once and stored, and the access network element device is sent to the terminal for storage. When a session needs to be established, the mapping relationship can be directly read, and when the mapping relationship needs to be updated, it can be updated. The session may include: initial data session/new QoS session. Wherein, in the scene that does not have special requirement to QoS, such as in webpage browsing, described mapping relation has been generated before each session is set up, and is fixed, and does not need to regenerate every session; In a required scenario, such as a dedicated bearer related to an operator, the mapping relationship needs to be regenerated after each session is established.

Step 102, the radio access network element device sends the mapping relationship to the UE in dedicated signaling.

Step 103: After sensing the uplink IP data flow, the wireless access network element device obtains the QoS flow according to the mapping relationship, identifies the uplink data transmission, and carries the QoS flow identifier in the uplink data flow.

Using the embodiment of the present invention, through the above steps 101-103, the dedicated signaling (such as RRC reconfiguration signaling) sent by the wireless access network element device to the UE carries the above-mentioned first mapping relationship and the second mapping A mapping relationship constituted by the relationship, the mapping relationship is used to represent the mapping between the IP data flow, the QoS flow and the DRB, and is used for the UE to realize the selection among the IP data flow, the QoS flow and the DRB according to the mapping relationship. Further, after mapping the QoS flow to the DRB and performing data transmission, if a change is sent for the mapping of the reflected QoS QoS flow to the DRB, the wireless access network element device will pass the dedicated signaling (such as RRC reconfiguration signal) order) to notify the UE of the change of the mapping relationship. The mapping relationship is stored on the wireless access network element device side, so that after the wireless access network element device perceives the IP data flow, the identified QoS flow can be obtained on the wireless access network element device side according to the mapping relationship and Carry out transmission identification for uplink data transmission. Since the embodiment of the present invention uses dedicated signaling to realize the mapping of UL flow QoS ID to DRB and the corresponding transmission identification function, there will be no waste of air interface resources.

In an embodiment of the present invention, the wireless access network element device carries the mapping relationship in dedicated signaling and sends it to the UE, including: the wireless access network element device sends the uplink IP data flow, QoS The mapping relationship between the flow and the DRB is carried in dedicated signaling and sent to the UE.

In an embodiment of the present invention, after the wireless access network element device perceives the uplink IP data flow, it obtains the QoS flow according to the mapping relationship and identifies the uplink data transmission, including: the wireless access network Before the element device perceives the uplink IP data flow, the uplink IP data flow is mapped to the DRB; when the wireless access network element device parses the uplink IP data packet, it obtains the QoS flow according to the mapping from the IP data flow to the QoS flow, and according to the QoS The flow carries out a transmission identification on the uplink data transmission, which is used to carry the QoS flow identification in the uplink data.

Embodiment two:

A wireless access network element device according to an embodiment of the present invention, the wireless access network element device includes: a storage unit configured to locally store the mapping relationship between an IP data flow, a QoS flow, and a DRB; a sending unit configured to The mapping relationship is carried in dedicated signaling and sent to the UE. The mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the wireless access network element device before the session establishment; the identification unit After sensing the uplink IP data flow, obtain the QoS flow according to the mapping relationship, identify the uplink data transmission, and carry the QoS flow identifier in the uplink data flow.

In an embodiment of the present invention, the wireless access network element device further includes: a receiving unit, configured to: receive a first mapping relationship between an IP data flow and a QoS flow transferred from a core network control plane; a determining unit, It is used to determine the second mapping relationship between the QoS flow and the DRB, where the mapping relationship is composed of the first mapping relationship and the second mapping relationship.

In an embodiment of the present invention, the sending unit is further configured to: carry the mapping relationship between the uplink IP data flow, the QoS flow and the DRB in dedicated signaling and send it to the UE.

In an embodiment of the present invention, the identification unit is further configured to: before sensing the uplink IP data flow, the uplink IP data flow is mapped to the DRB; The QoS flow is obtained through the flow mapping, and the uplink data transmission is identified according to the QoS flow, so as to carry the QoS flow identifier in the uplink data.

Embodiment three:

A quality of service identification method according to an embodiment of the present invention, the method comprising: the wireless access network element device stores the mapping relationship between the IP data flow, the QoS flow and the DRB locally; the wireless access network element device stores the The mapping relationship is carried in dedicated signaling and sent to the UE; the wireless access network element device perceives the reflected downlink IP data flow, carries the QoS flow identifier in the reflected downlink IP data flow, and maps the QoS flow to the DRB for transmission. Wherein, during the process of generating the mapping relationship, the wireless access network element device receives the first mapping relationship used to represent the association between the IP data flow and the QoS flow. Specifically, the wireless access network element device receives the first mapping relationship reflected from the core network control plane. The mapping relationship between IP data flow and QoS flow. After the wireless access network element device stores the first mapping relationship, it further determines the second mapping relationship between QoS flows and DRBs. A mapping relationship among IP data flows, QoS flows, and DRBs formed according to the first mapping relationship and the second mapping relationship.

It should be pointed out here that the mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the wireless access network element device before the session establishment. The session may include: initial data session/new QoS session. Wherein, in the scene that does not have special requirement to QoS, such as in webpage browsing, described mapping relation has been generated before each session is set up, and is fixed, and does not need to regenerate every session; In a required scenario, such as a dedicated bearer related to an operator, the mapping relationship needs to be regenerated after each session is established.

In an embodiment of the present invention, carrying the mapping relationship in dedicated signaling and sending it to the UE includes: the radio access network element device carrying the mapping relationship between reflected IP data flows, QoS flows, and DRBs Sent to UE in dedicated signaling.

In the first embodiment of the present invention, before the wireless access network element device perceives the reflected downlink IP data flow, for the reflected downlink IP data flow, the QoS is identified in the downlink user plane data through the core network user plane. flow, so that the reflected downlink IP data flow carries the QoS flow identifier.

In the first embodiment of the present invention, after the wireless access network element equipment maps the QoS flow to the DRB and transmits it, if the mapping of the QoS flow to the DRB for reflected QoS is changed, the wireless access network element The device notifies the UE of the change of the mapping relationship through the dedicated signaling.

In the first embodiment of the present invention, after the wireless access network element equipment maps the QoS flow to the DRB and transmits it, for the reflected uplink IP data flow, the UE maps the reflected uplink IP data flow to the DRB.

Embodiment four:

A wireless access network element device according to an embodiment of the present invention, the wireless access network element device includes: a storage unit configured to locally store the mapping relationship between an IP data flow, a QoS flow, and a DRB; a sending unit configured to Carrying the mapping relationship in dedicated signaling and sending it to the UE, the mapping relationship is generated and stored during each session establishment process, or has been generated and stored in the wireless access network element device before the session establishment; the transmission unit , for sensing the reflected downlink IP data flow, carrying the QoS flow identifier in the reflected downlink IP data flow, and mapping the QoS flow to the DRB for transmission.

In an embodiment of the present invention, the wireless access network element device further includes: a receiving unit, configured to: receive the first mapping relationship between the IP data flow and the QoS flow reflected from the core network control plane; the determining unit, It is used to determine the second mapping relationship between the QoS flow and the DRB, where the mapping relationship is composed of the first mapping relationship and the second mapping relationship.

In an embodiment of the present invention, the sending unit is further configured to: carry the mapping relationship between the reflected IP data flow, the QoS flow and the DRB in dedicated signaling and send it to the UE.

In an embodiment of the present invention, the transmission unit is further configured to identify the QoS in the downlink user plane data through the core network user plane for the reflected downlink IP data stream before sensing the reflected downlink IP data stream flow, so that the reflected downlink IP data flow carries the QoS flow identifier.

In an embodiment of the present invention, the wireless access network element device further includes: a notification unit, configured to map the QoS flow to the DRB and transmit it, if a change is sent for the mapping of the QoS flow to the DRB for the reflected QoS, Then, the change of the mapping relationship is notified to the UE through the dedicated signaling.

In the above solution, the transmission unit is further configured to map the QoS flow to the DRB and transmit it, and then map the reflected uplink IP data flow to the DRB through the UE for the reflected uplink IP data flow.

Embodiment five:

A method for quality of service identification in an embodiment of the present invention, as shown in Figure 2, the method includes:

Step 201: Carry a mapping relationship in the dedicated signaling sent by the wireless access network element device to the UE, the mapping relationship is used to represent the mapping between the IP data flow, QoS flow and DRB, and is used for the UE to implement according to the mapping relationship Selection between IP data flow, QoS flow and DRB.

Step 202, storing the mapping relationship on the radio access network element device side.

Step 203: After the wireless access network element device senses the IP data flow, the wireless access network element device side obtains the identified QoS flow according to the mapping relationship and performs transmission identification for uplink data transmission.

Using the embodiment of the present invention, through the above steps 201-203, the dedicated signaling (such as RRC reconfiguration signaling) sent by the wireless access network element device to the UE carries a mapping relationship, and the mapping relationship is used to represent the IP data flow, The mapping between the QoS flow and the DRB is used for the UE to realize the selection among the IP data flow, the QoS flow and the DRB according to the mapping relationship. Subsequently, after mapping the QoS flow to the DRB and performing data transmission, if a change is sent for the mapping of the QoS flow reflecting the QoS to the DRB, the wireless access network element device will transmit the The change of the mapping relationship is notified to the UE. The mapping relationship is stored on the wireless access network element device side, so that after the wireless access network element device perceives the IP data flow, the identified QoS flow can be obtained on the wireless access network element device side according to the mapping relationship and Carry out transmission identification for uplink data transmission. Since the embodiment of the present invention uses dedicated signaling to realize the mapping of UL flow QoS ID to DRB and the corresponding transmission identification function, there will be no waste of air interface resources.

In a practical application, the wireless access network element device located on the RAN side may be a base station, such as a base station "gNB" in a 5g scenario. The base station "gNB" on the RAN side adds the mapping of QoS flow M to DRB N to the RRC reconfiguration signaling sent to the UE, and sends the RRC reconfiguration signaling to the UE. After adding the mapping "QoS flow M to DRB N mapping", the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is obtained, and through the mapping relationship of "uplink IP flow -> QoS flow -> DRB", to Make the UE realize the selection of T->M->N through this mapping relationship. Use dedicated signaling, that is, RRC reconfiguration signaling to realize the mapping of ULQoS flow to DRB, avoiding the waste caused by transmitting Qos flow ID on the air interface. 1) First, corresponding to "from the perspective of reflective QoS", it is realized by implementing reflective QoS UL DRB mapping on the RAN side; 2) Second, corresponding to "from the perspective of UL", it is to introduce perceptual IP flow on the RAN side The function is realized through UL transport marking.

In a practical application, the implementation of reflective QoS UL DRB mapping on the RAN side includes: adding the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling sent to the UE by the RAN side, and converting the RRC The reconfiguration signaling is sent to the UE, so that the UE can realize the selection of T->M->N through this mapping.

In a practical application, the introduction of the function of perceiving IP flow on the RAN side is realized through UL transportmarking, including: introducing the perceptual IP flow T on the RAN side, and retaining the mapping of IP flow T to QoS flowM on the RAN, so that the On the RAN side, T launches M to implement the transport marking function to reduce the waste of wireless air interfaces.

In a practical application, the RAN further includes: retaining the mapping of DRB N to QoS flow M on the RAN, so that M can be deduced from N on the RAN side, and the transport marking function is implemented on the RAN side, so as to reduce the waste of wireless air interfaces.

Embodiment six:

A method for uplink service quality identification according to an embodiment of the present invention, as shown in FIG. 3 , the method includes:

Step 301, the wireless access network element device receives the first mapping from IP data flow to QoS flow and saves it locally.

Step 302, the radio access network element device determines the second mapping from QoS flows to DRBs.

Step 303. Obtain the mapping relationship according to the first mapping and the second mapping.

Step 304: Carry a mapping relationship in the dedicated signaling sent by the wireless access network element device to the UE, the mapping relationship is used to represent the mapping between the IP data flow, QoS flow and DRB, and is used for the UE to implement according to the mapping relationship Selection between IP data flow, QoS flow and DRB.

Step 305, storing the mapping relationship on the radio access network element device side.

Step 306: After the wireless access network element device senses the IP data flow, the wireless access network element device side obtains the identified QoS flow according to the mapping relationship and performs transmission identification for uplink data transmission.

Using the embodiment of the present invention, the wireless access network element device receives the first mapping from IP data flow to QoS flow and stores it locally, and the wireless access network element device also needs to determine the second mapping from QoS flow to DRB, so as to The first mapping and the second mapping obtain a mapping relationship. In a practical application, the wireless access network element device located on the RAN side may be a base station, such as a base station "gNB" in a 5g scenario. The base station "gNB" on the RAN side adds the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling sent to the UE, and sends the RRC reconfiguration signaling to the UE. After adding the mapping "QoS flow Mto DRB N mapping", the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is obtained, and the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is used to make The UE realizes the selection of T->M->N through this mapping relationship. Use dedicated signaling, that is, RRC reconfiguration signaling to realize the mapping of UL QoS flow to DRB, avoiding the waste caused by transmitting Qos flow ID on the air interface. 1) Corresponding to "from the perspective of reflective QoS", it is realized by implementing reflective QoS UL DRB mapping on the RAN side. Specifically, the mapping of QoS flow M to DRB N is added in the RRC reconfiguration signaling sent to the UE by the RAN side , sending the RRC reconfiguration signaling to the UE, so that the UE realizes the selection of T->M->N through this mapping. 2) Corresponding to "from the perspective of UL", the function of perceiving IP flow is introduced on the RAN side, and realized through UL transport marking. Specifically, perceiving IP flow T is introduced on the RAN side, and IP flow T to QoS flow is reserved on the RAN Mapping of M, so that M can be launched by T on the RAN side, and the function of transport marking can be realized to reduce the waste of wireless air interfaces. And, the mapping of DRB N to QoSflow M is reserved in RAN, so that M can be derived from N on the RAN side, and the transport marking function can be realized on the RAN side to reduce the waste of wireless air interfaces.

In the first embodiment of the present invention, as far as downlink data transmission is concerned, the wireless access network element device receives the data transmitted by the user plane of the core network, that is, the IP data packet for downlink data transmission, and in the downlink data transmission The QoS flow identifier is carried in the IP data packet to identify the QoS flow. When the wireless access network element device analyzes the IP data packet, it obtains the identified QoS flow, and saves the mapping between the IP data flow and the QoS flow, so that the subsequent QoS flow identification used to identify the uplink data can be obtained according to the mapping, and the wireless access After the network element device senses the IP data flow, the radio access network element device side obtains the identified QoS flow according to the mapping relationship, and performs transmission identification for uplink data transmission. After mapping the QoS flow to the DRB and performing data transmission, if a change is sent for the mapping of the reflected QoS QoS flow to the DRB, the radio access network element device notifies the UE of the change of the mapping relationship through the dedicated signaling.

In the first embodiment of the present invention, in terms of uplink data transmission, after the UE transmits uplink data and maps the IP data packets of the uplink data transmission to the DRB, the wireless access network element device receives the uplink data transmission IP packets. During the process that the wireless access network element device side obtains the identified QoS flow according to the mapping relationship and identifies the uplink data transmission, when the wireless access network element device parses the IP data packet, according to the IP data flow The mapping to the QoS flow obtains the QoS flow, and according to the QoS flow, transmits the uplink data transmission identification, so as to carry the QoS flow identification in the uplink data.

Embodiment seven:

A wireless access network element device according to an embodiment of the present invention, the wireless access network element device includes: a sending unit, configured to carry a mapping relationship in the dedicated signaling sent to the UE, and the mapping relationship is used to represent the IP The mapping between data flow, QoS flow and DRB is used for UE to realize the selection between IP data flow, QoS flow and DRB according to the mapping relationship; the storage unit is used to store the mapping relationship; the identification unit is used to perceive After the IP data flows, the radio access network element device side obtains the identified QoS flow according to the mapping relationship, and performs transmission identification for uplink data transmission.

Using the embodiment of the present invention, the dedicated signaling (such as RRC reconfiguration signaling) sent by the wireless access network element device to the UE carries the mapping relationship, and the mapping relationship is used to represent the mapping between the IP data flow, QoS flow and DRB , so that the UE can select among the IP data flow, the QoS flow and the DRB according to the mapping relationship. Subsequently, after mapping the QoS flow to the DRB and performing data transmission, if a change is sent for the mapping of the QoS flow reflecting the QoS to the DRB, the wireless access network element device will transmit the The change of the mapping relationship is notified to the UE. The mapping relationship is stored on the wireless access network element device side, so that after the wireless access network element device perceives the IP data flow, the identified QoS flow can be obtained on the wireless access network element device side according to the mapping relationship and Carry out transmission identification for uplink data transmission. Since the embodiment of the present invention uses dedicated signaling to realize the mapping of UL flow QoS ID to DRB and the corresponding transmission identification function, there will be no waste of air interface resources.

In a practical application, the wireless access network element device located on the RAN side may be a base station, such as a base station "gNB" in a 5g scenario. The base station "gNB" on the RAN side adds the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling sent to the UE, and sends the RRC reconfiguration signaling to the UE. After adding the mapping "QoS flow M to DRB N mapping", the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is obtained, and through the mapping relationship of "uplink IP flow -> QoS flow -> DRB", to Make the UE realize the selection of T->M->N through this mapping relationship. Use dedicated signaling, that is, RRC reconfiguration signaling to realize the mapping of ULQoS flow to DRB, avoiding the waste caused by transmitting Qos flow ID on the air interface. 1) First, corresponding to "from the perspective of reflective QoS", it is realized by implementing reflective QoS UL DRB mapping on the RAN side; 2) Second, corresponding to "from the perspective of UL", it is to introduce perceptual IP flow on the RAN side The function is realized through UL transport marking.

In a practical application, the implementation of reflective QoS UL DRB mapping on the RAN side includes: adding the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling sent to the UE by the RAN side, and converting the RRC The reconfiguration signaling is sent to the UE, so that the UE can realize the selection of T->M->N through this mapping.

In a practical application, the introduction of the function of perceiving IP flow on the RAN side is realized through UL transportmarking, including: introducing the perceptual IP flow T on the RAN side, and retaining the mapping of IP flow T to QoS flowM on the RAN, so that the On the RAN side, T launches M to implement the transport marking function to reduce the waste of wireless air interfaces.

In a practical application, the RAN further includes: retaining the mapping of DRB N to QoS flow M on the RAN, so that M can be deduced from N on the RAN side, and the transport marking function is implemented on the RAN side, so as to reduce the waste of wireless air interfaces.

In an embodiment of the present invention, the wireless access network element device further includes: a first processing unit, configured to: receive the first mapping from IP data flow to QoS flow and store it locally; determine the QoS flow A second mapping to the DRB; obtaining the mapping relationship according to the first mapping and the second mapping.

Using the embodiment of the present invention, the wireless access network element device receives the first mapping from IP data flow to QoS flow and stores it locally, and the wireless access network element device also needs to determine the second mapping from QoS flow to DRB, so as to The first mapping and the second mapping obtain a mapping relationship. In a practical application, the wireless access network element device located on the RAN side may be a base station, such as a base station "gNB" in a 5g scenario. The base station "gNB" on the RAN side adds the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling sent to the UE, and sends the RRC reconfiguration signaling to the UE. After adding the mapping "QoS flow Mto DRB N mapping", the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is obtained, and the mapping relationship of "uplink IP flow -> QoS flow -> DRB" is used to make The UE realizes the selection of T->M->N through this mapping relationship. Use dedicated signaling, that is, RRC reconfiguration signaling to realize the mapping of UL QoS flow to DRB, avoiding the waste caused by transmitting Qos flow ID on the air interface. 1) Corresponding to "from the perspective of reflective QoS", it is realized by implementing reflective QoS UL DRB mapping on the RAN side. Specifically, the mapping of QoS flow M to DRB N is added in the RRC reconfiguration signaling sent to the UE by the RAN side , sending the RRC reconfiguration signaling to the UE, so that the UE realizes the selection of T->M->N through this mapping. 2) Corresponding to "from the perspective of UL", the function of perceiving IP flow is introduced on the RAN side, and realized through UL transport marking. Specifically, perceiving IP flow T is introduced on the RAN side, and IP flow T to QoS flow is reserved on the RAN Mapping of M, so that M can be launched by T on the RAN side, and the function of transport marking can be realized to reduce the waste of wireless air interfaces. And, the mapping of DRB N to QoSflow M is reserved in RAN, so that M can be derived from N on the RAN side, and the transport marking function can be realized on the RAN side to reduce the waste of wireless air interfaces.

In an embodiment of the present invention, in terms of downlink data transmission, the wireless access network element device further includes: a second processing unit, configured to: receive an IP data packet for downlink data transmission, The IP data packet of data transmission carries the QoS flow identification to identify the QoS flow; when the IP data packet is analyzed, the identified QoS flow is obtained, and the mapping between the IP data flow and the QoS flow is saved. The wireless access network element device further includes: a third processing unit, configured to: after mapping the QoS flow to the DRB and performing data transmission, if a change is sent for the mapping of the QoS flow to the DRB for reflected QoS, then through the dedicated The signaling notifies the UE of the change of the mapping relationship.

In an embodiment of the present invention, in terms of uplink data transmission, the wireless access network element device further includes: a fourth processing unit, configured to: after mapping the IP data packet for uplink data transmission to the DRB, An IP data packet for uplink data transmission is received. The identification unit is further used for: when analyzing the IP data packet, obtain the QoS flow according to the mapping from the IP data flow to the QoS flow, and perform transmission identification on the uplink data transmission according to the QoS flow, so as to carry the QoS flow identification in the uplink data .

Taking a real application scenario as an example, the embodiment of the present invention is described as follows:

Adopting the embodiment of the present invention is a flow based QoS UL QoS identification design scheme. Use dedicated signaling to implement the mapping method of UL flow QoS ID to DRB, so as to realize reflective QoS UL DRB mapping and ULtransport marking. 1) for reflective QoS: Dedicated signaling to convey the mapping of UL flow QoS M to DRB N, such as adding the mapping of QoS flow M to DRB N in the RRC reconfiguration signaling, and sending it to UE. Through this mapping, UE realizes T-> M->N selection. 2) For UL, the mapping of DRB N to QoS flow is reserved on the RAN, and the transport marking function is implemented on the RAN side to reduce the waste of wireless air interfaces. For example, the mapping of IP flow T to QoSflow M is reserved in RAN, and M is pushed out by T on the RAN side to realize the function of transport marking.

The flow of a specific application scenario, as shown in Figure 4, includes:

Step 401, the initial data session is established/or a new QoS session needs to be established.

Step 402, transfer the mapping relationship between the IP flow and the quality of service flow.

Step 403: Save the mapping relationship between the IP flow and the QoS flow, and determine the mapping from the QoS flow to the air interface data bearer.

Step 404, transmitting the mapping relationship (including reflective QoS) of uplink IP flow -> QoS flow -> air interface data bearer.

Step 405: Receive the downlink data flow, and identify the user's service quality flow in the downlink user plane data.

Step 406, the user data carries the user's QoS flow identifier.

Step 407, analyze the IP quintuple, and save the mapping relationship between the IP flow and the quality of service flow.

Step 408, mapping the QoS flow to the air interface data bearer, and transmitting.

Step 409 , if the relationship between the quality of service flow and the air interface data bearing relationship changes for reflective QoS, notify the terminal through RRC reconfiguration signaling.

Step 410: Receive the uplink data flow, and map the uplink data to the air interface data bearer.

Step 411: Analyze the IP quintuple, obtain the QoS flow from the mapping table from the IP flow to the QoS flow, and identify the uplink data transmission according to the QoS flow.

Step 412: Carry and transmit the QoS flow identifier in the uplink data flow.

In the above scenario, the embodiment of the present invention is adopted, and dedicated signaling is used to realize the mapping of UL QoS flow to DRB, which avoids the waste caused by the transmission of Qos flow ID by the air interface. The mapping of IP flow T to QoS flow M is reserved on the RAN, and M is pushed out by T on the RAN side to realize the transport marking function and reduce the waste of wireless air interfaces.

For the scenario of upstream IP data, the flow of a specific application scenario, as shown in Figure 5, includes:

Step 501, the initial data session is established/or a new QoS session needs to be established;

Step 502, transfer the mapping relationship between IP flow and service quality flow;

Step 503, saving the mapping relationship between IP flow and QoS flow, and determining the mapping from QoS flow to air interface data bearer;

Step 504, sending the mapping relationship of upstream IP flow->service quality flow->air interface data bearer;

Step 505, mapping the uplink data to the air interface data bearer;

Step 506, analyzing the IP quintuple, obtaining the quality of service flow from the mapping table from the IP flow to the quality of service flow, and identifying the uplink data transmission according to the quality of service flow;

In step 507, the quality of service flow identifier is carried in the uplink data flow.

For the scenario of reflecting IP data, the flow of a specific application scenario, as shown in Figure 6, includes:

Step 601, the initial data session is established/or a new QoS session needs to be established;

Step 602, reflecting the mapping relationship of IP -> service quality flow;

Step 603, saving the mapping relationship between the reflected IP flow and the quality of service flow, and determining the mapping from the quality of service flow to the air interface data bearer;

Step 604, reflecting the mapping relationship of uplink IP flow->service quality flow->air interface data bearer;

Step 605, identifying the user quality flow in the downlink user plane data;

Step 606, the user data carries the user quality flow identifier;

Step 607, mapping the quality of service flow to the air interface data bearer, and transmitting it;

Step 608, if the relationship between the quality of service flow and the air interface data bearing relationship changes for the reflected QoS, notify the terminal through signaling (such as RRC reconfiguration);

Step 609: Map the uplink data to air interface data bearers.

If the integrated modules described in the embodiments of the present invention are realized in the form of software function modules and sold or used as independent products, they can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for Make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. . Thus, embodiments of the invention are not limited to any specific combination of hardware and software.

Correspondingly, an embodiment of the present invention further provides a computer storage medium, in which a computer program is stored, and the computer program is used to execute the method for QoS identification in the embodiment of the present invention.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (20)

1. a kind of method of quality of service mark, which is characterized in that the method includes：

Wireless access network element device is by the mapping between IP data stream, quality of service QoS flow and the Deta bearer DRB that eats dishes without rice or wine Relationship is stored in local, mapping relations carrying is sent to terminal UE in dedicated signaling, the mapping relations are in each Generate during session establishment and store or session establishment before be formed and stored in wireless access network element device；

After wireless access network element device-aware to upstream IP data stream, QoS flow is obtained according to the mapping relations and to upper line number It is identified according to transmission, and QoS flow mark is carried in upstream.

2. according to the method described in claim 1, it is characterized in that, the method further includes：

Wireless access network element device receives the first mapping relations of the IP traffic and QoS flow that are transmitted from core network control surface；

Determine QoS flow to the second mapping relations between DRB；

The mapping relations are made of the first mapping relations and second mapping relations.

3. according to the method described in claim 1, it is characterized in that, described carry the mapping relations is sent out in dedicated signaling UE is given, including：

The wireless access network element device carries the mapping relations between upstream IP data stream, QoS flow and DRB in dedicated signaling It is sent to UE.

4. according to the method described in claim 1, it is characterized in that, the wireless access network element device-aware is to upstream IP data After stream, obtains QoS flow according to the mapping relations and transmitting uplink data is identified, including：

Before the wireless access network element device-aware to upstream IP data stream, upstream IP data stream is mapped to DRB；

When the wireless access network element device carries out upstream IP data Packet analyzing, obtained according to the mapping of IP traffic to QoS flow QoS flow is simultaneously transmitted mark according to QoS flow to transmitting uplink data, to carry QoS flow mark in upstream data.

5. a kind of wireless access network element device, which is characterized in that the wireless access network element device includes：

Storage unit, for closing the mapping between IP data stream, quality of service QoS flow and the Deta bearer DRB that eats dishes without rice or wine System is stored in local；

Transmission unit, for mapping relations carrying to be sent to UE in dedicated signaling, the mapping relations are in each meeting Words establish during generate and store or session establishment before be formed and stored in wireless access network element device；

Unit is identified, after perceiving upstream IP data stream, QoS flow is obtained according to the mapping relations and upstream data is passed It is input into line identifier, and QoS flow mark is carried in upstream.

6. wireless access network element device according to claim 5, which is characterized in that the wireless access network element device also wraps It includes：

Receiving unit is used for：Receive the first mapping relations of the IP traffic and QoS flow that are transmitted from core network control surface；

Determination unit, for determining QoS flow to the second mapping relations between DRB, the mapping relations by the first mapping relations and Second mapping relations are constituted.

7. wireless access network element device according to claim 5, which is characterized in that the transmission unit is further used for：

Mapping relations carrying between upstream IP data stream, QoS flow and DRB is sent to terminal UE in dedicated signaling.

8. wireless access network element device according to claim 5, which is characterized in that the mark unit is further used for：

Before perceiving upstream IP data stream, upstream IP data stream is mapped to DRB；

When carrying out upstream IP data Packet analyzing, QoS flow is obtained and according to QoS flow to upper according to the mapping of IP traffic to QoS flow Row data transmission is transmitted mark, to carry QoS flow mark in upstream data.

9. a kind of method of quality of service mark, which is characterized in that the method includes：

Wireless access network element device is by the mapping between IP data stream, quality of service QoS flow and the Deta bearer DRB that eats dishes without rice or wine Relationship is stored in local, mapping relations carrying is sent to terminal UE in dedicated signaling, the mapping relations are in each Generate during session establishment and store or session establishment before be formed and stored in wireless access network element device；

Wireless access network element device-aware carries QoS flow to reflection downstream IP data stream in the reflection downstream IP data stream Mark, mapping QoS flow to DRB and are transmitted.

10. according to the method described in claim 9, it is characterized in that, the method further includes：

Wireless access network element device receives the first mapping relations of the IP traffic and QoS flow that are reflected from core network control surface；

Determine QoS flow to the second mapping relations between DRB；

The mapping relations are made of the first mapping relations and second mapping relations.

11. according to the method described in claim 9, it is characterized in that, described carry the mapping relations in dedicated signaling It is sent to UE, including：

The wireless access network element device is carried the mapping relations between IP traffic, QoS flow and DRB are reflected in dedicated signaling It is sent to UE.

12. according to the method described in claim 9, it is characterized in that, the wireless access network element device-aware to reflection downlink Before IP traffic, for the reflection downstream IP data stream, identified in downlink user face data by core network user face Go out QoS flow, makes to carry the QoS flow mark in the reflection downstream IP data stream.

13. according to the method described in claim 9, it is characterized in that, the wireless access network element device map QoS flow is to DRB And after being transmitted, if the mapping for QoS flow to the DRB of reflection QoS sends variation, the wireless access network element device By the dedicated signaling by the change notification of mapping relations to UE.

14. according to the method described in claim 9, it is characterized in that, stating wireless access network element device map QoS flow to DRB simultaneously After being transmitted, for reflecting upstream IP data stream, the reflection upstream IP data stream is mapped to by DRB by UE.

15. a kind of wireless access network element device, which is characterized in that the wireless access network element device includes：

Storage unit, for closing the mapping between IP data stream, quality of service QoS flow and the Deta bearer DRB that eats dishes without rice or wine System is stored in local；

Transmission unit, for mapping relations carrying to be sent to UE in dedicated signaling, the mapping relations are in each meeting Words establish during generate and store or session establishment before be formed and stored in wireless access network element device；

Transmission unit carries QoS flow mark for perceiving reflection downstream IP data stream in the reflection downstream IP data stream Know, mapping QoS flow to DRB and is transmitted.

16. wireless access network element device according to claim 15, which is characterized in that the wireless access network element device is also Including：

Receiving unit is used for：Receive the first mapping relations of the IP traffic and QoS flow that are reflected from core network control surface；

Determination unit, for determining QoS flow to the second mapping relations between DRB, the mapping relations by the first mapping relations and Second mapping relations are constituted.

17. wireless access network element device according to claim 15, which is characterized in that the transmission unit is further used In：

The mapping relations carrying reflected between IP traffic, QoS flow and DRB is sent to terminal UE in dedicated signaling.

18. wireless access network element device according to claim 15, which is characterized in that the transmission unit is further used Before perceiving reflection downstream IP data stream, for the reflection downstream IP data stream, by core network user face in downlink QoS flow is identified in user face data, makes to carry the QoS flow mark in the reflection downstream IP data stream.

19. wireless access network element device according to claim 15, which is characterized in that the wireless access network element device is also Including：

Notification unit, for mapping QoS flow to DRB and after being transmitted, if for the QoS flow of QoS is reflected to the mapping of DRB Send variation, then by the dedicated signaling by the change notification of mapping relations to UE.

20. wireless access network element device according to claim 15, which is characterized in that the transmission unit is further used In mapping QoS flow to DRB and after being transmitted, for reflection upstream IP data stream, by UE by the reflection uplink IP numbers It is mapped to DRB according to stream.