CN113286268B - Data transmission method and system - Google Patents
Data transmission method and system Download PDFInfo
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- CN113286268B CN113286268B CN202110594865.5A CN202110594865A CN113286268B CN 113286268 B CN113286268 B CN 113286268B CN 202110594865 A CN202110594865 A CN 202110594865A CN 113286268 B CN113286268 B CN 113286268B
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- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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Abstract
The method includes that a participant function module obtains a first session message based on a first message, the first session message at least comprises a media data type and a session right signaling type, the participant function module, a strategy and charging control function module, a mobile management entity, a packet data network gateway, a service gateway, an evolution base station and user equipment establish a session right signaling special bearer and a media data special bearer on the basis that the first session message comprises the media data type and the session right signaling type, different special bearers are used for transmitting media data and session right signaling, mutual interference between the media data and the session right signaling is reduced, the reliability of session right signaling transmission is improved, the time delay of the session right signaling transmission can be reduced, and MCS service experience is improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data transmission method and system.
Background
At present, MCS (Mission Critical Service) Service based on 3GPP standard generally uses the same dedicated bearer to transmit RTCP (Real-Time Transport Control Protocol) talk right signaling and media RTP (Real-Time Transport Protocol) data.
However, when the media RTP data amount is large, especially in a high-definition video data and motion scene, or when the network quality is not high, or when FEC is enabled, the media RTP data may affect transmission of a key RTCP right control signaling carried by the same carrier, so that the RTCP right control signaling loses packet, or delay is large, which affects MCS service experience.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present application provide a data transmission method and system to achieve the purposes of improving reliability of transmission of talk right signaling and media data, reducing time delay of transmission of talk right signaling, and improving MCS service experience, and the technical scheme is as follows:
a method of data transmission, comprising:
the user equipment sends a first message carrying SDP information to a participant functional module;
the participant functional module obtains first session information and first user subscription information based on the first message, wherein the first session information at least comprises a media data type and a speaking right signaling type;
the participant functional module sends a second message containing the first session information and the first user subscription information to a policy and charging control functional module;
the strategy and charging control function module obtains first service quality parameter information based on the media data type and the first user subscription information, obtains second service quality parameter information based on the speech right signaling type and the first user subscription information, and sends a third message carrying the first service quality parameter information and the second service quality parameter information to a mobile management entity, a packet data network gateway and a service gateway;
the mobility management entity, the packet data network gateway, the service gateway, the evolved base station and the user equipment establish a dedicated bearer for media data based on the first quality of service parameter information, and establish a dedicated bearer for talk right signaling based on the second quality of service parameter information;
and the user equipment transmits the target speaking right signaling by using the special bearing for speaking right signaling and transmits the target media data by using the special bearing for media data.
Optionally, the transmitting, by the user equipment, the target talk burst signaling by using the dedicated bearer for talk burst signaling and transmitting the target media data by using the dedicated bearer for media data includes:
the user equipment sends a signaling message carrying SDP information obtained after the user equipment negotiates with another user equipment to the participant function module under the condition that the user equipment establishes a session with the other user equipment;
the participant function module obtains second session information and second user subscription information based on the signaling message, wherein the second session information at least comprises the media data type and the speaking right signaling type;
the participant function module sends a fourth message containing the second session information and the second user subscription information to the policy and charging control function module;
the policy and charging control function module obtains third quality of service parameter information based on the media data type and the user subscription information, obtains fourth quality of service parameter information based on the speech right signaling type and the user subscription information, and sends a fifth message carrying the third quality of service parameter information and the fourth quality of service parameter information to a mobile management entity, a packet data network gateway and a service gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the evolved base station and the user equipment refresh the dedicated bearer for media data based on the third qos parameter information to obtain a target dedicated bearer for media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a target dedicated bearer for talk right signaling;
and the user equipment transmits the target speaking right signaling by using the special bearer for the target speaking right signaling and transmits the target media data by using the special bearer for the target media data.
Optionally, the method further includes:
the packet data network gateway establishes a first packet filter and a second packet filter, wherein the first packet filter is used for filtering media data with a set type, and the second packet filter is used for filtering speaking right signaling with a set type;
the packet data network gateway filters the media data of the user equipment by using the first packet filter to obtain target media data;
and the packet data network gateway filters the speaking right signaling of the user equipment by using the second packet filter to obtain a target speaking right signaling.
Optionally, the first session information further includes: speech right signaling bandwidth configuration information;
the establishing of the special bearer for the talk burst signaling based on the second qos parameter information includes:
and establishing a special voice right signaling bearer matched with the bandwidth corresponding to the voice right signaling bandwidth configuration information based on the second quality of service parameter information.
Optionally, the transmitting, by the user equipment, the target talk burst signaling by using the dedicated bearer for talk burst signaling and transmitting the target media data by using the dedicated bearer for media data includes:
and the user equipment preferentially uses the special bearing for the speaking right signaling to transmit the target speaking right signaling under the condition that the network quality is lower than a threshold value.
Optionally, the second message is an authentication request message;
the policy and charging control function module obtains first quality of service parameter information based on the media data type and the first user subscription information, and obtains second quality of service parameter information based on the talk right signaling type and the first user subscription information, including:
the strategy and charging control function module authenticates the user equipment based on the first session information and the first user subscription information;
and after passing the authentication, the strategy and charging control function module obtains first quality of service parameter information based on the media data type and the user subscription information, and obtains second quality of service parameter information based on the speech right signaling type and the user subscription information.
A data transmission system comprising:
the user equipment is used for sending a first message carrying SDP information to the participant functional module;
the participant functional module is used for obtaining first session information and first user subscription information based on the first message, wherein the first session information at least comprises a media data type and a speaking right signaling type;
the participant function module is further configured to send a second message including the first session information and the first user subscription information to a policy and charging control function module;
the policy and charging control function module is configured to obtain first quality of service parameter information based on the media data type and the first user subscription information, obtain second quality of service parameter information based on the talk right signaling type and the first user subscription information, and send a third message carrying the first quality of service parameter information and the second quality of service parameter information to a mobility management entity, a packet data network gateway, and a serving gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the evolved base station, and the user equipment are configured to establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk right signaling based on the second qos parameter information;
the user equipment is also used for transmitting the target talk right signaling by using the special bearing for the talk right signaling and transmitting the target media data by using the special bearing for the media data.
Optionally, the user equipment is further configured to: under the condition of establishing a session with another user equipment, sending a signaling message carrying SDP information obtained after the session is negotiated with the other user equipment to the participant function module;
the participant function module is further configured to obtain second session information and second user subscription information based on the signaling message, where the second session information at least includes the media data type and the talk right signaling type, and send a fourth message including the second session information and the second user subscription information to the policy and charging control function module;
the policy and charging control function module is further configured to obtain third qos parameter information based on the media data type and the user subscription information, obtain fourth qos parameter information based on the talk right signaling type and the user subscription information, and send a fifth message carrying the third qos parameter information and the fourth qos parameter information to a mobility management entity, a packet data network gateway, and a serving gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue are further configured to refresh the dedicated bearer for media data based on the third qos parameter information to obtain a target dedicated bearer for media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a target dedicated bearer for talk right signaling;
the user equipment is specifically configured to transmit the target talk right signaling using the dedicated bearer for the target talk right signaling, and transmit the target media data using the dedicated bearer for the target media data.
Optionally, the packet data network gateway is further configured to:
establishing a first packet filter and a second packet filter, wherein the first packet filter is used for filtering media data with a set type, and the second packet filter is used for filtering speaking right signaling with a set type;
filtering the media data of the user equipment by using the first packet filter to obtain target media data;
and filtering the speaking right signaling of the user equipment by using the second packet filter to obtain a target speaking right signaling.
Optionally, the first session information further includes: speech right signaling bandwidth configuration information;
the mobility management entity, the packet data network gateway, the serving gateway, the enodeb, and the ue are specifically configured to: and establishing a special voice right signaling bearer matched with the bandwidth corresponding to the voice right signaling bandwidth configuration information based on the second quality of service parameter information.
Optionally, the user equipment is specifically configured to preferentially use the dedicated bearer for the talk burst signaling to transmit the target talk burst signaling when the network quality is lower than a threshold.
Compared with the prior art, the beneficial effect of this application is:
in the application, a participant function module obtains a first session message based on a first message, the first session message at least comprises a media data type and a session right signaling type, the participant function module, a policy and charging control function module, a mobility management entity, a packet data network gateway, a serving gateway, an evolved base station and user equipment establish a session right signaling dedicated bearer and a media data dedicated bearer on the basis that the first session message comprises the media data type and the session right signaling type, and different dedicated bearers are used for transmitting media data and session right signaling, so that mutual interference between the media data and the session right signaling is reduced, the reliability of session right signaling transmission is improved, the transmission delay of the session right signaling can be reduced, and the MCS service experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a schematic flowchart of an embodiment 1 of a data transmission method provided in the present application;
fig. 2 is a flowchart of an embodiment 1 of a data transmission method provided in the present application;
fig. 3 is a flowchart of an embodiment 1 of a data transmission method provided in the present application;
fig. 4 is a flowchart of an embodiment 1 of a data transmission method provided in the present application;
fig. 5 is a schematic logical structure diagram of a data transmission system provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a schematic flow chart of an embodiment 1 of a data transmission method provided by the present application is shown, where the method includes the following steps:
step S11, the user equipment sends a first message carrying the SDP information to the participant function module.
The ue may initiate a Session through an SIP (Session Initiation Protocol) or an INVITE (INVITE), and send a first message carrying SDP (Session Description Protocol) information (e.g., media codec, media communication address, and required bandwidth) to a PF (participant Function) module to which the ue belongs when initiating the Session.
Step S12, the participant function module obtains first session information and first user subscription information based on the first message, where the first session information at least includes a media data type and a talk right signaling type.
The participant function module obtains first session information and first user subscription information based on the first message, and may be understood as: the PE module converts the content in the first message into an information syntax format supported by a PCRF (Policy and charging Rule Function) module, to obtain first session information and first user subscription information.
In this embodiment, the media data types may be, but are not limited to: RTP media data type such as audio type or video type. The floor signaling type may be, but is not limited to: RTCP floor signaling type.
In this embodiment, the first session information may further include a media stream switch, an MC identification type, and other parameters.
Step S13, the participant function module sends a second message containing the first session information and the first user subscription information to a policy and charging control function module.
After obtaining the first session information and the first user subscription information, the PF module may send a second message including the first session information and the first user subscription information to a PCRF (Policy and charging Rule Function) module.
In this embodiment, the second message may be, but is not limited to, an authentication request message.
Step S14, the policy and charging control function module obtains first qos parameter information based on the media data type and the first user subscription information, obtains second qos parameter information based on the talk right signaling type and the first user subscription information, and sends a third message carrying the first qos parameter information and the second qos parameter information to a mobility management entity, a packet data network gateway, and a service gateway.
The PCRF module obtains first Quality of Service (QoS) parameter information based on the media data type and the first user subscription information, which can be understood as: and the PCRF module converts the media data type and the first user subscription information to obtain first quality of service parameter information.
Obtaining second quality of service parameter information based on the speaking right signaling type and the first user subscription information, which can be understood as: and converting the speaking right signaling type and the first user subscription information to obtain second service quality parameter information.
In a case that the second message is an authentication request message, the policy and charging control function module obtains first qos parameter information based on the media data type and the first user subscription information, and obtains second qos parameter information based on the talk right signaling type and the first user subscription information, which may include:
s1401, the strategy and charging control function module authenticates and authenticates the user equipment based on the first session information and the first user subscription information;
and S1402, after the authentication and authorization, the policy and charging control function module obtains first quality of service parameter information based on the media data type and the user subscription information, and obtains second quality of service parameter information based on the talk right signaling type and the user subscription information.
Step S15, the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk burst signaling based on the second qos parameter information.
The Mobility Management Entity (MME), the packet data network Gateway (PDN Gateway, PGW), the Serving Gateway (SGW), the Evolved base station (Evolved Node, eNode), and the user equipment establish a dedicated bearer for media data based on the first quality of service parameter information, which can be understood as: the mobility management entity, the packet data network gateway, the serving gateway, the evolved base station and the user equipment establish a dedicated bearer for media data according with a first quality of service based on first quality of service parameter information.
The mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue establish a dedicated bearer for talk burst signaling based on the second qos parameter information, which can be understood as: the mobile management entity, the packet data network gateway, the service gateway, the evolution base station and the user equipment establish a speaking right signaling special bearer conforming to a second service quality based on the second service quality parameter information.
Step S16, the ue uses the dedicated bearer for talk right signaling to transmit the target talk right signaling, and uses the dedicated bearer for media data to transmit the target media data.
In this embodiment, the user equipment transmits the target talk burst signaling by using the dedicated bearer for talk burst signaling, and transmits the target media data by using the dedicated bearer for media data, which may include but is not limited to:
and the user equipment preferentially uses the special bearing for the speaking right signaling to transmit the target speaking right signaling under the condition that the network quality is lower than a threshold value.
In the application, a participant function module obtains a first session message based on a first message, the first session message at least comprises a media data type and a session right signaling type, the participant function module, a policy and charging control function module, a mobility management entity, a packet data network gateway, a serving gateway, an evolved base station and user equipment establish a session right signaling dedicated bearer and a media data dedicated bearer on the basis that the first session message comprises the media data type and the session right signaling type, and different dedicated bearers are used for transmitting media data and session right signaling, so that mutual interference between the media data and the session right signaling is reduced, the reliability of session right signaling transmission is improved, the transmission delay of the session right signaling can be reduced, and the MCS service experience is improved.
As another optional embodiment 2 of the present application, referring to fig. 2, a schematic flow chart of an embodiment 2 of a data transmission method provided by the present application is provided, where this embodiment mainly relates to a refinement scheme of the data transmission method described in the foregoing embodiment 1, as shown in fig. 2, the method may include, but is not limited to, the following steps:
step S21, the user equipment sends a first message carrying SDP information to the participant functional module;
step S22, the participant function module obtains first session information and first user subscription information based on the first message, the first session information at least includes media data type and speaking right signaling type;
step S23, the participant function module sends a second message containing the first session information and the first user subscription information to a policy and charging control function module;
step S24, the policy and charging control function module obtains first qos parameter information based on the media data type and the first user subscription information, obtains second qos parameter information based on the talk right signaling type and the first user subscription information, and sends a third message carrying the first qos parameter information and the second qos parameter information to a mobility management entity, a packet data network gateway, and a service gateway;
step S25, the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk burst signaling based on the second qos parameter information.
The detailed procedures of steps S21-S25 can be found in the related descriptions of steps S11-S15 in embodiment 1, and are not repeated herein.
Step S26, when the ue establishes a session with another ue, it sends a signaling message carrying SDP information negotiated with the another ue to the participant function module.
In order to ensure the reliability of the use of the dedicated bearer, the SDP information may be changed when the user equipment establishes a session with another user equipment, and therefore, signaling information carrying the SDP information obtained after the user equipment negotiates with the another user equipment may be sent to the participant function module.
Step S27, the participant function module obtains second session information and second user subscription information based on the signaling message, where the second session information at least includes the media data type and the talk right signaling type.
The second session information contains the same media data type and talk burst signaling type as those contained in the first session information in step S22. The media stream switch, MC identification type, and other parameters in the second session information may be different from the media stream switch, MC identification type, and other parameters in the first session information.
Step S28, the participant function module sends a fourth message containing the second session information and the second user subscription information to the policy and charging control function module.
Step S29, the policy and charging control function module obtains third qos parameter information based on the media data type and the user subscription information, obtains fourth qos parameter information based on the talk right signaling type and the user subscription information, and sends a fifth message carrying the third qos parameter information and the fourth qos parameter information to a mobility management entity, a packet data network gateway, and a serving gateway.
Step S210, the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue refresh the dedicated bearer for media data based on the third qos parameter information to obtain a target dedicated bearer for media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a target dedicated bearer for talk right signaling.
Step S211, the ue uses the dedicated bearer for target talk right signaling to transmit the target talk right signaling, and uses the dedicated bearer for target media data to transmit the target media data.
Steps S26-S211 are a specific implementation of step S16 in example 1.
In this embodiment, when the user equipment initiates a session, a dedicated bearer for talk right signaling and a dedicated bearer for media data are established, and when the session is established, the dedicated bearer for talk right signaling and the dedicated bearer for media data are refreshed to ensure the reliability of the use of the dedicated bearer for talk right signaling and the dedicated bearer for media data, and further ensure the reliability of the transmission of talk right signaling and media data.
As another optional embodiment 3 of the present application, referring to fig. 3, a schematic flow chart of an embodiment 3 of a data transmission method provided by the present application is provided, where this embodiment is mainly an extension scheme of the data transmission method described in the foregoing embodiment 2, and as shown in fig. 3, the method may include, but is not limited to, the following steps:
step S31, the user equipment sends a first message carrying the SDP information to the participant function module.
Step S32, the participant function module obtains first session information and first user subscription information based on the first message, the first session information at least includes media data type and speaking right signaling type;
step S33, the participant function module sends a second message containing the first session information and the first user subscription information to a policy and charging control function module;
step S34, the policy and charging control function module obtains first qos parameter information based on the media data type and the first user subscription information, obtains second qos parameter information based on the talk right signaling type and the first user subscription information, and sends a third message carrying the first qos parameter information and the second qos parameter information to a mobility management entity, a packet data network gateway, and a service gateway;
step S35, the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk burst signaling based on the second qos parameter information.
Step S36, when the ue establishes a session with another ue, it sends a signaling message carrying SDP information negotiated with the another ue to the participant function module.
Step S37, the participant function module obtains second session information and second user subscription information based on the signaling message, where the second session information at least includes the media data type and the talk right signaling type.
Step S38, the participant function module sends a fourth message containing the second session information and the second user subscription information to the policy and charging control function module.
Step S39, the policy and charging control function module obtains third qos parameter information based on the media data type and the user subscription information, obtains fourth qos parameter information based on the talk right signaling type and the user subscription information, and sends a fifth message carrying the third qos parameter information and the fourth qos parameter information to a mobility management entity, a packet data network gateway, and a serving gateway.
Step S310, the mobility management entity, the packet data network gateway, the service gateway, the evolution base station and the user equipment refresh the special bearer for the media data based on the third QoS parameter information to obtain a target special bearer for the media data, and refresh the special bearer for the speaking right signaling based on the fourth QoS parameter information to obtain a target special bearer for the speaking right signaling.
Step S311, the packet data network gateway establishes a first packet filter and a second packet filter, where the first packet filter is used to filter media data of a set type, and the second packet filter is used to filter a talk right signaling of a set type.
In this embodiment, different packet filters, that is, a first packet filter and a second packet filter, are respectively established for media data and talk right signaling, where the first packet filter is used to filter media data of a set type, and the second packet filter is used to filter talk right signaling of a set type.
Step S312, the packet data network gateway filters the media data of the user equipment by using the first packet filter to obtain target media data.
Step 313, the packet data network gateway filters the speaking right signaling of the user equipment by using the second packet filter to obtain a target speaking right signaling.
Step S314, the ue uses the dedicated bearer for target talk right signaling to transmit the target talk right signaling, and uses the dedicated bearer for target media data to transmit the target media data.
In this embodiment, the detailed process of step S314 may refer to the related description of step S211 in embodiment 2, and is not described herein again.
In this embodiment, the user equipment may further trigger a release call through SIP/BYE, send release call information to the PF, the PF triggers a release Rx-STR/STA of the dedicated bearer to the PCRF, carries the release reason, the PCRF performs removal of the dedicated bearer channel to the MME, P/S-GW, and eNode, deactivates the dedicated bearer channel by the MME, P/S-GW, eNode, and UE, and then releases the wireless dedicated resource.
In this embodiment, the first packet filter is used to filter the media data of the ue to obtain target media data, and the second packet filter is used to filter the talk right signaling of the ue to obtain target talk right signaling, which can ensure the quality of transmission of the talk right signaling and the media data.
As another optional embodiment 4 of the present application, referring to fig. 4, a schematic flow chart of an embodiment 4 of a data transmission method provided by the present application is provided, where this embodiment mainly relates to a refinement scheme of the data transmission method described in the foregoing embodiment 1, as shown in fig. 4, the method may include, but is not limited to, the following steps:
step S41, the user equipment sends a first message carrying the SDP information to the participant function module.
Step S42, the participant function module obtains first session information and first user subscription information based on the first message, where the first session information at least includes a media data type, a talk right signaling type, and talk right signaling bandwidth configuration information.
Step S43, the participant function module sends a second message containing the first session information and the first user subscription information to a policy and charging control function module.
Step S44, the policy and charging control function module obtains first qos parameter information based on the media data type and the first user subscription information, obtains second qos parameter information based on the talk right signaling type and the first user subscription information, and sends a third message carrying the first qos parameter information and the second qos parameter information to a mobility management entity, a packet data network gateway, and a service gateway.
The detailed procedures of steps S41-S44 can be found in the related descriptions of steps S11-S14 in embodiment 1, and are not repeated herein.
Step S45, the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk right signaling with bandwidth matching corresponding to the configuration information of talk right signaling bandwidth based on the second qos parameter information.
Step S45 is a specific implementation manner of step S15 in example 1.
Step S46, the ue uses the dedicated bearer for talk right signaling to transmit the target talk right signaling, and uses the dedicated bearer for media data to transmit the target media data.
The detailed process of step S46 can be referred to the related description of step S16 in embodiment 1, and is not repeated here.
In this embodiment, based on the second qos parameter information, a dedicated bearer for talk burst signaling is established, where the dedicated bearer for talk burst signaling is matched with a bandwidth corresponding to the bandwidth configuration information of talk burst signaling, so that the dedicated bearer for talk burst signaling can use the dedicated bandwidth to transmit talk burst signaling, thereby further ensuring the reliability of transmission of talk burst signaling.
Next, a data transmission system provided in the present application will be described, and the data transmission system described below and the data transmission method described above may be referred to correspondingly.
As shown in fig. 5, the data transmission system includes: user equipment 100, a participant function module 200, a policy and charging control function module 300, a mobility management entity 400, a packet data network gateway 500, a serving gateway 600, and an evolved base station 700.
The user equipment 100 is configured to send a first message carrying SDP information to the participant functional module 200;
the participant functional module 200 is configured to obtain first session information and first user subscription information based on the first message, where the first session information at least includes a media data type and a talk right signaling type;
the participant functional module 200 is further configured to send a second message including the first session information and the first user subscription information to the policy and charging control functional module 300;
the policy and charging control function module 300 is configured to obtain first quality of service parameter information based on the media data type and the first user subscription information, obtain second quality of service parameter information based on the talk right signaling type and the first user subscription information, and send a third message carrying the first quality of service parameter information and the second quality of service parameter information to the mobility management entity 400, the packet data network gateway 500, and the service gateway 600;
the mobility management entity 400, the packet data network gateway 500, the serving gateway 600, the enb 700 and the ue 100 are configured to establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk burst signaling based on the second qos parameter information;
the user equipment 100 is further configured to transmit the target talk burst signaling using the dedicated bearer for talk burst signaling, and transmit the target media data using the dedicated bearer for media data.
In this embodiment, the user equipment 100 may further be configured to: sending a signaling message carrying SDP information obtained after negotiation with another user equipment to the participant function module 200, in a case of establishing a session with the another user equipment;
the participant functional module 200 may be further configured to obtain second session information and second user subscription information based on the signaling message, where the second session information at least includes the media data type and the talk right signaling type, and send a fourth message including the second session information and the second user subscription information to the policy and charging control functional module 300;
the policy and charging control function module 300 may be further configured to obtain third qos parameter information based on the media data type and the user subscription information, obtain fourth qos parameter information based on the talk burst signaling type and the user subscription information, and send a fifth message carrying the third qos parameter information and the fourth qos parameter information to the mobility management entity 400, the packet data network gateway 500, and the service gateway 600;
the mobility management entity 400, the packet data network gateway 500, the serving gateway 600, the enb 700, and the ue 100 may further be configured to refresh the dedicated bearer for media data based on the third qos parameter information to obtain a dedicated bearer for target media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a dedicated bearer for target talk right signaling;
the user equipment 100 may specifically be configured to transmit the target talk burst signaling using the dedicated bearer for the target talk burst signaling, and transmit the target media data using the dedicated bearer for the target media data.
In this embodiment, the packet data network gateway 500 may further be configured to:
establishing a first packet filter and a second packet filter, wherein the first packet filter is used for filtering media data with a set type, and the second packet filter is used for filtering speaking right signaling with a set type;
filtering the media data of the user equipment 100 by using the first packet filter to obtain target media data;
and filtering the speaking right signaling of the user equipment 100 by using the second packet filter to obtain a target speaking right signaling.
The first session information may further include: speech right signaling bandwidth configuration information;
the mobility management entity 400, the packet data network gateway 500, the serving gateway 600, the evolved base station 700, and the user equipment 100 may specifically be configured to: and establishing a special voice right signaling bearer matched with the bandwidth corresponding to the voice right signaling bandwidth configuration information based on the second quality of service parameter information.
In this embodiment, the user equipment 100 may be specifically configured to preferentially use the dedicated bearer for the talk burst signaling to transmit the target talk burst signaling when the network quality is lower than the threshold.
It should be noted that each embodiment is mainly described as a difference from the other embodiments, and the same and similar parts between the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The data transmission method and system provided by the present application are introduced in detail, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (11)
1. A method of data transmission, comprising:
the user equipment sends a first message carrying SDP information to a participant functional module;
the participant functional module obtains first session information and first user subscription information based on the first message, wherein the first session information at least comprises a media data type and a speaking right signaling type;
the participant functional module sends a second message containing the first session information and the first user subscription information to a policy and charging control functional module;
the strategy and charging control function module obtains first service quality parameter information based on the media data type and the first user subscription information, obtains second service quality parameter information based on the speech right signaling type and the first user subscription information, and sends a third message carrying the first service quality parameter information and the second service quality parameter information to a mobile management entity, a packet data network gateway and a service gateway;
the mobility management entity, the packet data network gateway, the service gateway, the evolved base station and the user equipment establish a dedicated bearer for media data based on the first quality of service parameter information, and establish a dedicated bearer for talk right signaling based on the second quality of service parameter information;
and the user equipment transmits the target speaking right signaling by using the special bearing for speaking right signaling and transmits the target media data by using the special bearing for media data.
2. The method of claim 1, wherein the user equipment transmits the target talk burst signaling using the talk burst signaling dedicated bearer and transmits the target media data using the media data dedicated bearer, comprising:
the user equipment sends a signaling message carrying SDP information obtained after the user equipment negotiates with another user equipment to the participant function module under the condition that the user equipment establishes a session with the other user equipment;
the participant function module obtains second session information and second user subscription information based on the signaling message, wherein the second session information at least comprises the media data type and the speaking right signaling type;
the participant function module sends a fourth message containing the second session information and the second user subscription information to the policy and charging control function module;
the policy and charging control function module obtains third quality of service parameter information based on the media data type and the user subscription information, obtains fourth quality of service parameter information based on the speech right signaling type and the user subscription information, and sends a fifth message carrying the third quality of service parameter information and the fourth quality of service parameter information to a mobile management entity, a packet data network gateway and a service gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the evolved base station and the user equipment refresh the dedicated bearer for media data based on the third qos parameter information to obtain a target dedicated bearer for media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a target dedicated bearer for talk right signaling;
and the user equipment transmits the target speaking right signaling by using the special bearer for the target speaking right signaling and transmits the target media data by using the special bearer for the target media data.
3. The method of claim 2, further comprising:
the packet data network gateway establishes a first packet filter and a second packet filter, wherein the first packet filter is used for filtering media data with a set type, and the second packet filter is used for filtering speaking right signaling with a set type;
the packet data network gateway filters the media data of the user equipment by using the first packet filter to obtain target media data;
and the packet data network gateway filters the speaking right signaling of the user equipment by using the second packet filter to obtain a target speaking right signaling.
4. The method of any of claims 1-3, wherein the first session information further comprises: speech right signaling bandwidth configuration information;
the establishing of the special bearer for the talk burst signaling based on the second qos parameter information includes:
and establishing a special voice right signaling bearer matched with the bandwidth corresponding to the voice right signaling bandwidth configuration information based on the second quality of service parameter information.
5. The method of claim 1, wherein the user equipment transmits the target talk burst signaling using the talk burst signaling dedicated bearer and transmits the target media data using the media data dedicated bearer, comprising:
and the user equipment preferentially uses the special bearing for the speaking right signaling to transmit the target speaking right signaling under the condition that the network quality is lower than a threshold value.
6. The method of claim 1, wherein the second message is an authentication request message;
the policy and charging control function module obtains first quality of service parameter information based on the media data type and the first user subscription information, and obtains second quality of service parameter information based on the talk right signaling type and the first user subscription information, including:
the strategy and charging control function module authenticates the user equipment based on the first session information and the first user subscription information;
and after passing the authentication, the strategy and charging control function module obtains first quality of service parameter information based on the media data type and the user subscription information, and obtains second quality of service parameter information based on the speech right signaling type and the user subscription information.
7. A data transmission system, comprising:
the user equipment is used for sending a first message carrying SDP information to the participant functional module;
the participant functional module is used for obtaining first session information and first user subscription information based on the first message, wherein the first session information at least comprises a media data type and a speaking right signaling type;
the participant function module is further configured to send a second message including the first session information and the first user subscription information to a policy and charging control function module;
the policy and charging control function module is configured to obtain first quality of service parameter information based on the media data type and the first user subscription information, obtain second quality of service parameter information based on the talk right signaling type and the first user subscription information, and send a third message carrying the first quality of service parameter information and the second quality of service parameter information to a mobility management entity, a packet data network gateway, and a serving gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the evolved base station, and the user equipment are configured to establish a dedicated bearer for media data based on the first qos parameter information, and establish a dedicated bearer for talk right signaling based on the second qos parameter information;
the user equipment is also used for transmitting the target talk right signaling by using the special bearing for the talk right signaling and transmitting the target media data by using the special bearing for the media data.
8. The system of claim 7, wherein the user equipment is further configured to: under the condition of establishing a session with another user equipment, sending a signaling message carrying SDP information obtained after the session is negotiated with the other user equipment to the participant function module;
the participant function module is further configured to obtain second session information and second user subscription information based on the signaling message, where the second session information at least includes the media data type and the talk right signaling type, and send a fourth message including the second session information and the second user subscription information to the policy and charging control function module;
the policy and charging control function module is further configured to obtain third qos parameter information based on the media data type and the user subscription information, obtain fourth qos parameter information based on the talk right signaling type and the user subscription information, and send a fifth message carrying the third qos parameter information and the fourth qos parameter information to a mobility management entity, a packet data network gateway, and a serving gateway;
the mobility management entity, the packet data network gateway, the serving gateway, the enodeb and the ue are further configured to refresh the dedicated bearer for media data based on the third qos parameter information to obtain a target dedicated bearer for media data, and refresh the dedicated bearer for talk right signaling based on the fourth qos parameter information to obtain a target dedicated bearer for talk right signaling;
the user equipment is specifically configured to transmit the target talk right signaling using the dedicated bearer for the target talk right signaling, and transmit the target media data using the dedicated bearer for the target media data.
9. The system of claim 8, wherein the packet data network gateway is further configured to:
establishing a first packet filter and a second packet filter, wherein the first packet filter is used for filtering media data with a set type, and the second packet filter is used for filtering speaking right signaling with a set type;
filtering the media data of the user equipment by using the first packet filter to obtain target media data;
and filtering the speaking right signaling of the user equipment by using the second packet filter to obtain a target speaking right signaling.
10. The system of any of claims 7-9, wherein the first session information further comprises: speech right signaling bandwidth configuration information;
the mobility management entity, the packet data network gateway, the serving gateway, the enodeb, and the ue are specifically configured to: and establishing a special voice right signaling bearer matched with the bandwidth corresponding to the voice right signaling bandwidth configuration information based on the second quality of service parameter information.
11. The system of claim 7, wherein the UE is specifically configured to preferentially transmit the target floor signaling using the dedicated bearer for floor signaling if the network quality is below a threshold.
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| CN104468481A (en) * | 2013-09-18 | 2015-03-25 | 中兴通讯股份有限公司 | Method and device for realizing media QoS bearing resource control |
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| EP2163068B1 (en) * | 2007-05-22 | 2016-02-03 | Telefonaktiebolaget LM Ericsson (publ) | Method, apparatuses and computer program for dynamically configuring a proxy call session control function of the ip multimedia subsystem from a policy control rules server |
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| WO2002037753A2 (en) * | 2000-11-06 | 2002-05-10 | Telefonaktiebolaget L M Ericsson (Publ) | Media binding to coordinate quality of service requirements for media flows in a multimedia session with ip bearer resources |
| CN101599896A (en) * | 2008-06-06 | 2009-12-09 | 华为技术有限公司 | Method, system and equipment that signaling transmits |
| CN104468481A (en) * | 2013-09-18 | 2015-03-25 | 中兴通讯股份有限公司 | Method and device for realizing media QoS bearing resource control |
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