CN108667775A - Communication means and communication system - Google Patents
Communication means and communication system Download PDFInfo
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- CN108667775A CN108667775A CN201710205864.0A CN201710205864A CN108667775A CN 108667775 A CN108667775 A CN 108667775A CN 201710205864 A CN201710205864 A CN 201710205864A CN 108667775 A CN108667775 A CN 108667775A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The present invention provides a kind of communication means and communication systems, wherein communication means includes：Before initiating IMS registration, the radio bearer for being used for transmission SIP sessions is created；The characterization parameter of monitoring communication link quality in real time；Control layer transport protocol is determined according to the magnitude relationship of characterization parameter and predetermined threshold value；The radio bearer that SIP sessions are transmitted according to control layer transport protocol, to initiate IMS registration, wherein IMS registration is the service log-on of IP multimedia subsystem, and SIP sessions are to initiate session protocol.Technical solution through the invention improves the efficiency of transmission of signaling message and the VoLTE experience of user.
Description
Technical field
The present invention relates to fields of communication technology, in particular to a kind of communication means and a kind of system.
Background technology
In the related art, UE (User Equipment, user equipment) is in registered ims (IP Multimedia
Subsystem, IP multimedia subsystem) network initiate session before, can establish and be used for transmission IMS SIP (Session
Initiation Protocol, Session initiation Protocol) signaling message default EPS (Evolved Packet System, evolution
Grouping system) carrying, which keeps state of activation in the entire IMS user's registrations term of validity, according to the SIP transmitted
The size of (Session Initiation Protocol, Session initiation Protocol) message package is selected according to TCP
(Transmission Control Protocol, transmission control protocol) transport protocol is transmitted or according to UDP (User
Datagram Protocol, User Datagram Protocol) transport protocol is transmitted, however according to the sip message packet transmitted
Size selects the transport protocol not ensure that efficiency of transmission and VoLTE (the Voice over Long Term of user
Evolution, the speech business based on IMS) experience.
Invention content
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new communication plan, by supervising in real time
It surveys communication link quality and improves signaling message to determine transport protocol according to the magnitude relationship of characterization parameter and predetermined threshold value
Efficiency of transmission and user VoLTE experience.
In view of this, embodiment according to the first aspect of the invention, it is proposed that a kind of communication means, including：It is initiating
Before IMS registration, the radio bearer for being used for transmission SIP sessions is created；The characterization parameter of monitoring communication link quality in real time；According to table
The magnitude relationship of sign parameter and predetermined threshold value determines control layer transport protocol；SIP sessions are transmitted according to control layer transport protocol
Radio bearer, to initiate IMS registration, wherein IMS registration is the service log-on of IP multimedia subsystem, and SIP sessions are to initiate meeting
Talk about agreement.
In the technical scheme, it before initiating IMS sessions, needs first to create the radio bearer for being used for transmission SIP signalings, lead to
It crosses monitoring communication link quality in real time and obtains real-time characterization parameter, compare the size of characterization parameter and predetermined threshold value to determine control
Preparative layer transport protocol is conducive to the efficiency of transmission for improving signaling message, and radio bearer, hair are transmitted further according to control layer transport protocol
IMS sessions are played, the VoLTE experience of user is improved.
Wherein, radio bearer, that is, default EPS bearing, this, which is carried in the entire IMS user's registrations term of validity, keeps activation shape
State, communication link quality are the measurement situations to data-bag lost in mobile communication process, and transport protocol includes TCP transmission agreement
With UDP transport protocols.
In the above-mentioned technical solutions, it is preferable that determine that control layer passes according to the magnitude relationship of characterization parameter and predetermined threshold value
Defeated agreement, specifically includes：Judge whether characterization parameter is more than predetermined threshold value；When judging that characterization parameter is more than predetermined threshold value, really
Determine UDP transport protocols layer transport protocol in order to control；When judging that characterization parameter is less than or equal to predetermined threshold value, TCP transmission is determined
Agreement layer transport protocol in order to control, wherein UDP transport protocols are the User Datagram Protocol in standard communication protocol, TCP transmission
Agreement is the transmission control protocol in standard communication protocol.
In the technical scheme, by the parameter threshold of default characterization communication link quality, and judge characterization parameter and pre-
If the size of threshold value, to determine the transport protocol of control layer, it is contemplated that the communication link of mobile communication exists apparent unstable
Property, scheme is more applicable for mobile communication compared with the prior art, can effectively improve the efficiency of transmission of signaling message.
In any of the above-described technical solution, it is preferable that further include：After completing IMS registration, business to be transmitted is determined
The attribute information of data；Data Layer transport protocol is determined according to attribute information；According to data Layer transport protocol transmission services data
Radio bearer.
In the technical scheme, data Layer transport protocol is determined by the attribute information of determination business datum to be transmitted,
The advantages of according to the radio bearer of data Layer transport protocol transmission services data, to combine transport protocol and business number to be transmitted
According to attribute information, be conducive to improve user experience.
Specifically, the attribute information of business datum to be transmitted require to guarantee data integrity, reliability and to transmission rate
When without high requirement, data Layer transport protocol is determined as TCP transmission agreement, and the attribute information of business datum to be transmitted requires transmission
Rate is very fast, but when to data integrity, reliability without high requirement, and data Layer transport protocol is determined as UDP transport protocols.
Wherein, business datum is generally divided by attribute information：The business datum high to data integrity demands is (as transmitted text
Part etc.) and to high business of requirement of real-time (such as voice communication, video calling) etc., the advantages of TCP transmission agreement be stablize,
Reliably, realize that connection-oriented message is transmitted by mechanism such as confirmation, window, re-transmission, congestion controls, the disadvantage is that transmission rate
Slowly, less efficient, the advantages of UDP transport protocols, is that transmission rate is fast, the disadvantage is that less reliable and be not sufficiently stable.
In any of the above-described technical solution, it is preferable that further include：After completing IMS registration, monitored according to predetermined period
The transmission rate of communication link；Judge whether transmission rate is less than scheduled rate threshold value；It is less than default speed in judgement transmission rate
When rate threshold value, determine that UDP transport protocols are data Layer transport protocol；According to the wireless of data Layer transport protocol transmission services data
Carrying.
In the technical scheme, pass through the transmission rate and Preset Transfer rate threshold according to predetermined period monitoring communication link
UDP transport protocols when monitoring that communication link rate is less than scheduled rate threshold value, are determined as data Layer transmission association by value
View, according to the radio bearer of data Layer transport protocol transmission services data, in the case where communication link rate is extremely low,
Reduce the too low negative experience brought to user of service data transmission rate.
In any of the above-described technical solution, it is preferable that the characterization parameter of communication link quality includes signal quality, error code
At least one of rate and signal-to-noise ratio.
In the technical scheme, the characterization parameter of communication link quality is used for and predetermined threshold value compares, with according to the two
Magnitude relationship determines that transport protocol, optional characterization parameter have signal quality, the bit error rate and signal-to-noise ratio etc..
Wherein, it is positively related between signal quality and communication link quality, is negatively correlated between the bit error rate and signal-to-noise ratio
's.
Embodiment according to the second aspect of the invention, it is also proposed that a kind of communication system, including：Creating unit is used for
Before initiating IMS registration, the radio bearer for being used for transmission SIP sessions is created；Monitoring unit, for monitoring communication link matter in real time
The characterization parameter of amount；Determination unit, for determining control layer transport protocol according to the magnitude relationship of characterization parameter and predetermined threshold value；
Transmission unit, the radio bearer for transmitting SIP signalings according to control layer transport protocol, to initiate IMS registration, wherein IMS is noted
Volume is the service log-on of IP multimedia subsystem, and SIP sessions are to initiate session protocol.
In the technical scheme, it before initiating IMS sessions, needs first to create the radio bearer for being used for transmission SIP signalings, lead to
It crosses monitoring communication link quality in real time and obtains real-time characterization parameter, compare the size of characterization parameter and predetermined threshold value to determine control
Preparative layer transport protocol is conducive to the efficiency of transmission for improving signaling message, and radio bearer, hair are transmitted further according to control layer transport protocol
IMS sessions are played, the VoLTE experience of user is improved.
Wherein, radio bearer, that is, default EPS bearing, this, which is carried in the entire IMS user's registrations term of validity, keeps activation shape
State, communication link quality are the measurement situations to data-bag lost in mobile communication process, and transport protocol includes TCP transmission agreement
With UDP transport protocols.
In any of the above-described technical solution, it is preferable that determination unit further includes：First judgment sub-unit, for judging
Whether characterization parameter is more than predetermined threshold value；Determination unit is additionally operable to：When judging that characterization parameter is more than predetermined threshold value, UDP is determined
Transport protocol layer transport protocol in order to control；Determination unit is additionally operable to：When judging that characterization parameter is less than or equal to predetermined threshold value, really
Determine TCP transmission agreement layer transport protocol in order to control, wherein UDP transport protocols are the User Datagram Protocol in standard communication protocol
View, TCP transmission agreement are the transmission control protocol in standard communication protocol.
In the technical scheme, by the parameter threshold of default characterization communication link quality, and judge characterization parameter and pre-
If the size of threshold value, to determine the transport protocol of control layer, it is contemplated that the communication link of mobile communication exists apparent unstable
Property, scheme is more applicable for mobile communication compared with the prior art, can effectively improve the efficiency of transmission of signaling message.
In any of the above-described technical solution, it is preferable that determination unit is additionally operable to：After completing IMS registration, determine to be passed
The attribute information of defeated business datum；Determination unit is additionally operable to：Data Layer transport protocol is determined according to attribute information；Transmission unit
It is additionally operable to：According to the radio bearer of data Layer transport protocol transmission services data.
In the technical scheme, data Layer transport protocol is determined by the attribute information of determination business datum to be transmitted,
The advantages of according to the radio bearer of data Layer transport protocol transmission services data, to combine transport protocol and business number to be transmitted
According to attribute information, be conducive to improve user experience.
Specifically, the attribute information of business datum to be transmitted require to guarantee data integrity, reliability and to transmission rate
When without high requirement, data Layer transport protocol is determined as TCP transmission agreement, and the attribute information of business datum to be transmitted requires transmission
Rate is very fast, but when to data integrity, reliability without high requirement, and data Layer transport protocol is determined as UDP transport protocols.
Wherein, business datum is generally divided by attribute information：The business datum high to data integrity demands is (as transmitted text
Part etc.) and to high business of requirement of real-time (such as voice communication, video calling) etc., the advantages of TCP transmission agreement be stablize,
Reliably, realize that connection-oriented message is transmitted by mechanism such as confirmation, window, re-transmission, congestion controls, the disadvantage is that transmission rate
Slowly, less efficient, the advantages of UDP transport protocols, is that transmission rate is fast, the disadvantage is that less reliable and be not sufficiently stable.
In any of the above-described technical solution, it is preferable that monitoring unit is additionally operable to：After completing IMS registration, according to default
The transmission rate of cycle monitoring communication link；Determination unit further includes：Second judgment sub-unit, for whether judging transmission rate
Less than scheduled rate threshold value；Determination unit is additionally operable to：When judging that transmission rate is less than scheduled rate threshold value, determine that UDP is transmitted
Agreement is data Layer transport protocol；Transmission unit is additionally operable to：According to the radio bearer of data Layer transport protocol transmission services data.
In the technical scheme, pass through the transmission rate and Preset Transfer rate threshold according to predetermined period monitoring communication link
UDP transport protocols when monitoring that communication link rate is less than scheduled rate threshold value, are determined as data Layer transmission association by value
View, according to the radio bearer of data Layer transport protocol transmission services data, in the case where communication link rate is extremely low,
Reduce the too low negative experience brought to user of service data transmission rate.
In any of the above-described technical solution, it is preferable that the characterization parameter of communication link quality includes signal quality, error code
At least one of rate and signal-to-noise ratio.
In the technical scheme, the characterization parameter of communication link quality is used for and predetermined threshold value compares, with according to the two
Magnitude relationship determines that transport protocol, optional characterization parameter have signal quality, the bit error rate and signal-to-noise ratio etc..
Wherein, it is positively related between signal quality and communication link quality, is negatively correlated between the bit error rate and signal-to-noise ratio
's.
Embodiment according to the third aspect of the invention we, it is also proposed that a kind of terminal, including such as any of the above-described technical side
The communication system of case.
By above technical scheme, before initiating IMS sessions, the radio bearer for being used for transmission SIP signalings is created, reality is passed through
When monitoring communication link quality obtain real-time characterization parameter, compare the size of characterization parameter and predetermined threshold value to determine control layer
Transport protocol, is conducive to the efficiency of transmission for improving signaling message, transmits radio bearer further according to control layer transport protocol, initiates
IMS sessions improve the VoLTE experience of user.
Description of the drawings
Fig. 1 shows the schematic flow diagram of communication means according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of communication means according to still another embodiment of the invention；
Fig. 3 shows the schematic flow diagram of communication means according to still another embodiment of the invention；
Fig. 4 shows the schematic flow diagram of communication means according to still another embodiment of the invention；
Fig. 5 shows the schematic block diagram of communication system according to an embodiment of the invention；
Fig. 6 shows the schematic flow diagram of communication means according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
By using third party, different from implementing in a manner of third party described here, therefore, protection scope of the present invention is not by following
The limitation of disclosed specific embodiment.
Fig. 1 shows the schematic flow diagram of communication means according to an embodiment of the invention.
As shown in Figure 1, communication means according to an embodiment of the invention, including：Step 102, IMS registration is being initiated
Before, create the radio bearer for being used for transmission SIP sessions；Step 104, the characterization parameter of communication link quality is monitored in real time；Step
106, control layer transport protocol is determined according to the magnitude relationship of characterization parameter and predetermined threshold value；Step 108, it is transmitted according to control layer
Agreement transmits the radio bearer of SIP signalings, to initiate IMS registration, wherein IMS registration is that the business of IP multimedia subsystem is noted
Volume, SIP sessions are to initiate session protocol.
In this embodiment, it before initiating IMS sessions, needs first to create the radio bearer for being used for transmission SIP signalings, pass through
Monitoring communication link quality obtains real-time characterization parameter in real time, compares the size of characterization parameter and predetermined threshold value to determine control
Layer transport protocol, is conducive to the efficiency of transmission for improving signaling message, transmits radio bearer further according to control layer transport protocol, initiates
IMS sessions improve the VoLTE experience of user.
Wherein, radio bearer, that is, default EPS bearing, this, which is carried in the entire IMS user's registrations term of validity, keeps activation shape
State, communication link quality are the measurement situations to data-bag lost in mobile communication process, and transport protocol includes TCP transmission agreement
With UDP transport protocols.
Fig. 2 shows the schematic flow diagrams of communication means according to still another embodiment of the invention.
As shown in Fig. 2, communication means according to still another embodiment of the invention, according to characterization parameter and predetermined threshold value
Magnitude relationship determines control layer transport protocol, specifically includes：Step 202, judge whether characterization parameter is more than predetermined threshold value；Step
204A determines UDP transport protocols layer transport protocol in order to control when judging that characterization parameter is more than predetermined threshold value；Step 204B,
When judging that characterization parameter is less than or equal to predetermined threshold value, TCP transmission agreement layer transport protocol in order to control is determined, wherein UDP is transmitted
Agreement is the User Datagram Protocol in standard communication protocol, and TCP transmission agreement is the biography transport control protocol in standard communication protocol
View.
In this embodiment, by the parameter threshold of default characterization communication link quality, and judge characterization parameter and preset
The size of threshold value, to determine the transport protocol of control layer, it is contemplated that the communication link of mobile communication there are apparent unstability,
Scheme is more applicable for mobile communication compared with the prior art, can effectively improve the efficiency of transmission of signaling message.
Fig. 3 shows the schematic flow diagram of communication means according to still another embodiment of the invention.
As shown in figure 3, communication means according to still another embodiment of the invention, further includes：Step 302, IMS is completed
After registration, the attribute information of business datum to be transmitted is determined；Step 304, data Layer transport protocol is determined according to attribute information；
Step 306, according to the radio bearer of data Layer transport protocol transmission services data.
In this embodiment, data Layer transport protocol is determined by the attribute information of determination business datum to be transmitted, with
According to the radio bearer of data Layer transport protocol transmission services data, the advantages of combining transport protocol and business datum to be transmitted
Attribute information, be conducive to improve user experience.
Specifically, the attribute information of business datum to be transmitted require to guarantee data integrity, reliability and to transmission rate
When without high requirement, data Layer transport protocol is determined as TCP transmission agreement, and the attribute information of business datum to be transmitted requires transmission
Rate is very fast, but when to data integrity, reliability without high requirement, and data Layer transport protocol is determined as UDP transport protocols.
Wherein, business datum is generally divided by attribute information：The business datum high to data integrity demands is (as transmitted text
Part etc.) and to high business of requirement of real-time (such as voice communication, video calling) etc., the advantages of TCP transmission agreement be stablize,
Reliably, realize that connection-oriented message is transmitted by mechanism such as confirmation, window, re-transmission, congestion controls, the disadvantage is that transmission rate
Slowly, less efficient, the advantages of UDP transport protocols, is that transmission rate is fast, the disadvantage is that less reliable and be not sufficiently stable.
Fig. 4 shows the schematic flow diagram of communication means according to still another embodiment of the invention.
As shown in figure 4, communication means according to still another embodiment of the invention, including：Step 402, IMS notes are completed
After volume, the transmission rate of communication link is monitored according to predetermined period；Step 404, judge whether transmission rate is less than scheduled rate
Threshold value；Step 406, when judging that transmission rate is less than scheduled rate threshold value, determine that UDP transport protocols are data Layer transmission association
View；Step 408, according to the radio bearer of data Layer transport protocol transmission services data.
In this embodiment, pass through the transmission rate and Preset Transfer rate threshold according to predetermined period monitoring communication link
UDP transport protocols when monitoring that communication link rate is less than scheduled rate threshold value, are determined as data Layer transmission association by value
View, according to the radio bearer of data Layer transport protocol transmission services data, in the case where communication link rate is extremely low,
Reduce the too low negative experience brought to user of service data transmission rate.
In any of the above-described embodiment, it is preferable that the characterization parameter of communication link quality include signal quality, the bit error rate and
At least one of signal-to-noise ratio.
In this embodiment, the characterization parameter of communication link quality is used for and predetermined threshold value compares, with according to the big of the two
Small relationship determines that transport protocol, optional characterization parameter have signal quality, the bit error rate and signal-to-noise ratio etc..
Wherein, it is positively related between signal quality and communication link quality, is negatively correlated between the bit error rate and signal-to-noise ratio
's.
Fig. 5 shows the schematic block diagram of communication system according to an embodiment of the invention.
As shown in figure 5, communication system 500 according to an embodiment of the invention, including：Creating unit 502 is used for
Before initiating IMS registration, the radio bearer for being used for transmission SIP sessions is created；Monitoring unit 504, for monitoring communication link in real time
The characterization parameter of quality；Determination unit 506, for determining that control layer transmits according to the magnitude relationship of characterization parameter and predetermined threshold value
Agreement；Transmission unit 508, the radio bearer for transmitting SIP signalings according to control layer transport protocol, to initiate IMS registration,
In, IMS registration is the service log-on of IP multimedia subsystem, and SIP sessions are to initiate session protocol.
In this embodiment, it before initiating IMS sessions, needs first to create the radio bearer for being used for transmission SIP signalings, pass through
Monitoring communication link quality obtains real-time characterization parameter in real time, compares the size of characterization parameter and predetermined threshold value to determine control
Layer transport protocol, is conducive to the efficiency of transmission for improving signaling message, transmits radio bearer further according to control layer transport protocol, initiates
IMS sessions improve the VoLTE experience of user.
Wherein, radio bearer, that is, default EPS bearing, this, which is carried in the entire IMS user's registrations term of validity, keeps activation shape
State, communication link quality are the measurement situations to data-bag lost in mobile communication process, and transport protocol includes TCP transmission agreement
With UDP transport protocols.
In any of the above-described embodiment, it is preferable that determination unit 506 further includes：Judgment sub-unit 5062, for judging table
Levy whether parameter is more than predetermined threshold value；Determination unit 506 is additionally operable to：When judging that characterization parameter is more than predetermined threshold value, UDP is determined
Transport protocol layer transport protocol in order to control；Determination unit 506 is additionally operable to：It is less than or equal to predetermined threshold value in judgement characterization parameter
When, determine TCP transmission agreement layer transport protocol in order to control, wherein UDP transport protocols are the user data in standard communication protocol
Datagram protocol, TCP transmission agreement are the transmission control protocol in standard communication protocol.
In this embodiment, by the parameter threshold of default characterization communication link quality, and judge characterization parameter and preset
The size of threshold value, to determine the transport protocol of control layer, it is contemplated that the communication link of mobile communication there are apparent unstability,
Scheme is more applicable for mobile communication compared with the prior art, can effectively improve the efficiency of transmission of signaling message.
In any of the above-described embodiment, it is preferable that determination unit 506 is additionally operable to：After completing IMS registration, determine to be passed
The attribute information of defeated business datum；Determination unit 506 is additionally operable to：Data Layer transport protocol is determined according to attribute information；Transmission
Unit 508 is additionally operable to：According to the radio bearer of data Layer transport protocol transmission services data.
In this embodiment, data Layer transport protocol is determined by the attribute information of determination business datum to be transmitted, with
According to the radio bearer of data Layer transport protocol transmission services data, the advantages of combining transport protocol and business datum to be transmitted
Attribute information, be conducive to improve user experience.
Specifically, the attribute information of business datum to be transmitted require to guarantee data integrity, reliability and to transmission rate
When without high requirement, data Layer transport protocol is determined as TCP transmission agreement, and the attribute information of business datum to be transmitted requires transmission
Rate is very fast, but when to data integrity, reliability without high requirement, and data Layer transport protocol is determined as UDP transport protocols.
Wherein, business datum is generally divided by attribute information：The business datum high to data integrity demands is (as transmitted text
Part etc.) and to high business of requirement of real-time (such as voice communication, video calling) etc., the advantages of TCP transmission agreement be stablize,
Reliably, realize that connection-oriented message is transmitted by mechanism such as confirmation, window, re-transmission, congestion controls, the disadvantage is that transmission rate
Slowly, less efficient, the advantages of UDP transport protocols, is that transmission rate is fast, the disadvantage is that less reliable and be not sufficiently stable.
In any of the above-described embodiment, it is preferable that monitoring unit 504 is additionally operable to：After completing IMS registration, according to default
The transmission rate of cycle monitoring communication link；The judgment sub-unit 5062 is additionally operable to：It is default to judge whether transmission rate is less than
Rate-valve value；Determination unit 506 is additionally operable to：When judging that transmission rate is less than scheduled rate threshold value, determine that UDP transport protocols are
Data Layer transport protocol；Transmission unit 508 is additionally operable to：According to the radio bearer of data Layer transport protocol transmission services data.
In this embodiment, pass through the transmission rate and Preset Transfer rate threshold according to predetermined period monitoring communication link
UDP transport protocols when monitoring that communication link rate is less than scheduled rate threshold value, are determined as data Layer transmission association by value
View, according to the radio bearer of data Layer transport protocol transmission services data, in the case where communication link rate is extremely low,
Reduce the too low negative experience brought to user of service data transmission rate.
In any of the above-described embodiment, it is preferable that the characterization parameter of communication link quality include signal quality, the bit error rate and
At least one of signal-to-noise ratio.
In this embodiment, the characterization parameter of communication link quality is used for and predetermined threshold value compares, with according to the big of the two
Small relationship determines that transport protocol, optional characterization parameter have signal quality, the bit error rate and signal-to-noise ratio etc..
Wherein, it is positively related between signal quality and communication link quality, is negatively correlated between the bit error rate and signal-to-noise ratio
's.
Fig. 6 shows the schematic flow diagram of communication means according to an embodiment of the invention.
As shown in fig. 6, communication means according to an embodiment of the invention, including：Step 602, UE establishes transmission IMS
The default EPS bearing of SIP signaling messages；Step 604, UE monitors communication link quality in real time；Step 606, judge communication quality
Whether specific threshold is better than；Step 608A transmits SIP signaling messages using UDP transport protocols；Step 608B, uses TCP transmission
Agreement transmits SIP signaling messages.
In this embodiment, before initiating IMS sessions, the default EPS that UE establishments are used for transmission IMS SIP signaling messages is held
It carries, to improve signaling message efficiency of transmission, obtains real-time communication quality parameter by monitoring UE communication link-quality in real time, lead to
Letter compares the size of mass parameter and predetermined threshold value to determine transport protocol, is better than specific threshold in judgement communication quality parameter
When, SIP signaling messages are transmitted using UDP transport protocols, otherwise TCP transmission agreement are used to transmit SIP signaling messages, further according to control
Preparative layer transport protocol transmits radio bearer, initiates IMS sessions, improves the VoLTE experience of user.
Embodiment：
Terminal according to an embodiment of the invention includes electrical connection communication antenna and controller, and communication antenna is for realizing end
The interaction of communication data packet between the controller and base station at end, specific work process are as follows：
Controller is used for before initiating IMS registration, creates the radio bearer for being used for transmission SIP sessions；
Characterization parameter of the controller for monitoring communication link quality in real time；
Controller is used to determine control layer transport protocol according to the magnitude relationship of the characterization parameter and predetermined threshold value；
Antenna is used to transmit the radio bearer of the SIP sessions according to the control layer transport protocol, to initiate the IMS
Registration.
Preferentially, terminal control unit according to an embodiment of the invention further includes following effect：
Controller is for judging whether the characterization parameter is more than predetermined threshold value；
Controller is used to, when judging that the characterization parameter is more than the predetermined threshold value, determine that UDP transport protocols are described
Control layer transport protocol；
Controller is used to, when judging that the characterization parameter is less than or equal to the predetermined threshold value, determine TCP transmission agreement
For the control layer transport protocol.
Preferentially, terminal control unit and antenna according to an embodiment of the invention further include following effect：
Controller is used for after completing the IMS registration, determines the attribute information of business datum to be transmitted；
Controller is used to determine data Layer transport protocol according to the attribute information；
The antenna is used to transmit the radio bearer of the business datum according to the data Layer transport protocol.
Preferentially, terminal control unit and antenna according to an embodiment of the invention further include following effect：
Controller is used for after completing the IMS registration, and the transmission rate of communication link is monitored according to predetermined period；
Controller is for judging whether the transmission rate is less than scheduled rate threshold value；
Controller is used to, when judging that the transmission rate is less than the scheduled rate threshold value, determine that UDP transport protocols are
Data Layer transport protocol；
The antenna is additionally operable to：The radio bearer of the business datum is transmitted according to the data Layer transport protocol.
Wherein, the characterization parameter of the communication link quality include in channel quality parameter, the bit error rate and signal-to-noise ratio extremely
It is one few.
Controller includes but not limited to microprocessor, CPU, microcontroller and embedded device.
Technical scheme of the present invention is described in detail above in association with attached drawing, before initiating IMS sessions, establishment is used for transmission
The radio bearer of SIP signalings obtains real-time characterization parameter by monitoring communication link quality in real time, compares characterization parameter and pre-
If the size of threshold value determines control layer transport protocol, is conducive to the efficiency of transmission for improving signaling message, is passed further according to control layer
Defeated agreement transmits radio bearer, initiates IMS sessions, improves the VoLTE experience of user.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Unit in terminal of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
Any other computer-readable medium for carrying or storing data.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of communication means, which is characterized in that including：
Before initiating IMS registration, the radio bearer for being used for transmission SIP sessions is created；
The characterization parameter of monitoring communication link quality in real time；
Control layer transport protocol is determined according to the magnitude relationship of the characterization parameter and predetermined threshold value；
The radio bearer that the SIP sessions are transmitted according to the control layer transport protocol, to initiate the IMS registration,
Wherein, the IMS registration is the service log-on of IP multimedia subsystem, and the SIP sessions are to initiate session protocol.
2. communication means according to claim 1, which is characterized in that described according to the characterization parameter and predetermined threshold value
Magnitude relationship determines control layer transport protocol, specifically includes：
Judge whether the characterization parameter is more than predetermined threshold value；
When judging that the characterization parameter is more than the predetermined threshold value, determine that UDP transport protocols are the control layer transport protocol；
When judging that the characterization parameter is less than or equal to the predetermined threshold value, determine that TCP transmission agreement passes for the control layer
Defeated agreement,
Wherein, the UDP transport protocols are the User Datagram Protocol in standard communication protocol, and the TCP transmission agreement is mark
Transmission control protocol in quasi- communication protocol.
3. communication means according to claim 1 or 2, which is characterized in that further include：
After completing the IMS registration, the attribute information of business datum to be transmitted is determined；
Data Layer transport protocol is determined according to the attribute information；
The radio bearer of the business datum is transmitted according to the data Layer transport protocol.
4. communication means according to claim 1 or 2, which is characterized in that further include：
After completing the IMS registration, the transmission rate of communication link is monitored according to predetermined period；
Judge whether the transmission rate is less than scheduled rate threshold value；
When judging that the transmission rate is less than the scheduled rate threshold value, determine that UDP transport protocols are data Layer transport protocol；
The radio bearer of the business datum is transmitted according to the data Layer transport protocol.
5. communication means according to any one of claim 1 to 4, which is characterized in that
The characterization parameter of the communication link quality includes at least one of channel quality parameter, the bit error rate and signal-to-noise ratio.
6. a kind of communication system, which is characterized in that including：
Creating unit, for before initiating IMS registration, creating the radio bearer for being used for transmission SIP sessions；
Monitoring unit, the characterization parameter for monitoring communication link quality in real time；
Determination unit, for determining control layer transport protocol according to the magnitude relationship of the characterization parameter and predetermined threshold value；
Transmission unit, the radio bearer for transmitting the SIP sessions according to the control layer transport protocol, described in initiation
IMS registration,
Wherein, the IMS registration is the service log-on of IP multimedia subsystem, and the SIP sessions are to initiate session protocol.
7. communication system according to claim 6, which is characterized in that the determination unit further includes：
Judgment sub-unit, for judging whether the characterization parameter is more than predetermined threshold value；
The determination unit is additionally operable to：When judging that the characterization parameter is more than the predetermined threshold value, determine that UDP transport protocols are
The control layer transport protocol；
The determination unit is additionally operable to：When judging that the characterization parameter is less than or equal to the predetermined threshold value, TCP transmission is determined
Agreement is the control layer transport protocol,
Wherein, the UDP transport protocols are the User Datagram Protocol in standard communication protocol, and the TCP transmission agreement is mark
Transmission control protocol in quasi- communication protocol.
8. the communication system described according to claim 6 or 7, which is characterized in that
The determination unit is additionally operable to：After completing the IMS registration, the attribute information of business datum to be transmitted is determined；
The determination unit is additionally operable to：Data Layer transport protocol is determined according to the attribute information；
The transmission unit is additionally operable to：The radio bearer of the business datum is transmitted according to the data Layer transport protocol.
9. the communication system described according to claim 6 or 7, which is characterized in that
The monitoring unit is additionally operable to：After completing the IMS registration, the transmission speed of communication link is monitored according to predetermined period
Rate；
The judgment sub-unit is additionally operable to：Judge whether the transmission rate is less than scheduled rate threshold value；
The determination unit is additionally operable to：When judging that the transmission rate is less than the scheduled rate threshold value, UDP transmission association is determined
View is data Layer transport protocol；
The transmission unit is additionally operable to：The radio bearer of the business datum is transmitted according to the data Layer transport protocol.
10. the communication system according to any one of claim 6 to 9, which is characterized in that
The characterization parameter of the communication link quality includes at least one of channel quality parameter, the bit error rate and signal-to-noise ratio.
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