CN106941454A - A kind of data compression transmission method, terminal and server - Google Patents
A kind of data compression transmission method, terminal and server Download PDFInfo
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- CN106941454A CN106941454A CN201610006004.XA CN201610006004A CN106941454A CN 106941454 A CN106941454 A CN 106941454A CN 201610006004 A CN201610006004 A CN 201610006004A CN 106941454 A CN106941454 A CN 106941454A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
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Abstract
The invention discloses a kind of data compression transmission method, methods described includes：Terminal reports the first information to network side, and sets up the communication connection with network side；The first information possesses Internet protocol (IP) data packet compressing ability for characterizing the terminal；The IP packets after compression are sent to network side.The present invention further simultaneously discloses a kind of terminal and server.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of data compression transmission method, terminal and
Server.
Background technology
Head compression technology, such as VoLTE are introduced in Long Term Evolution (LTE, Long Term Evolution) system
Head compression, using the regularity of relevant field in packet header, such as IP address is constant, in packet count
The packet header of packet is carried out according to convergence protocol (PDCP, Packet Data Convergence Protocol) layer
Compression, so as to improve transmission efficiency of air interface.
However, in current wireless network traffic, the compressibility such as web page browsing and OTT instant messagings compared with
High business occupies very high proportion, and PDCP compressions are pressed only for the packet header of bottom host-host protocol
Contracting, can not be handled the redundancy in the packet header and payload of application layer.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of data transmission method, terminal and server, energy
It is enough that whole packet is compressed, empty overhead is effectively saved, power system capacity is improved.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiments of the invention provide a kind of data compression transmission method, methods described includes：
Terminal reports the first information to network side, and sets up the communication connection with network side；The first information
Possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
The IP packets after compression are sent to network side.
In such scheme, the first information is IP data packet compressing ability labels；
The terminal reports the first information to network side, including：
The first information is carried in Long Term Evolution LTE network signaling and reports network side by terminal.
In such scheme, the first information is carried in LTE network signaling and reports network by the terminal
Side, including：
The first information is carried in the first extended field of radio resource control RRC signaling by terminal, and
First extended field is pass-through to network side.
In such scheme, the terminal reports the first information to network side, including：
Terminal reports the first information to network side using OTT modes.
In such scheme, the terminal reports the first information to network side using OTT modes, including：
Terminal obtains the IP address of network side according to default uniform resource position mark URL；
The first information is sent to network side based on the IP address.
In such scheme, before the IP packets sent after compression are to network side, methods described also includes：
Terminal carries out IP data packet compressings at IP layers, makes in the content of the IP packets after compression not include the
Data in one buffering area, only carry the first configured information of the data when needing to transmit the data.
In such scheme, first configured information is carried in the IP packet headers after compression；
First configured information includes：The length information of the positional information of the data, the data.
In such scheme, first configured information is carried on may be selected for the IP packet headers after compression
In option extended fields；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information.
The embodiment of the present invention additionally provides a kind of data compression transmission method, and methods described includes：
Network side obtains the first information that terminal is sent, and sets up the communication connection with the terminal；Described
One information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
Receive the IP packets after the compression that the terminal is sent, or send the IP packets after compression to
The terminal.
In such scheme, the first information is IP data packet compressing ability labels；
The network side obtains the first information that terminal is sent, including：
Network side obtains first letter by carrying the Long Term Evolution LTE network signaling of the first information
Breath.
In such scheme, the network side obtains described by carrying the LTE network signaling of the first information
The first information, including：
Network side obtains the first information by being pass-through to the first extended field of network side；Described first expands
The extended field that field is radio resource control RRC signaling is opened up, and carries the first information.
In such scheme, the network side obtains the first information that terminal is sent, including：
The first information that network side is sent by OTT modes receiving terminal.
In such scheme, after the IP packets received after the compression that the terminal is sent, methods described
Also include：
IP packet of the network side after the IP layers of decompression compression.
In such scheme, before the IP packets sent after compression are to the terminal, methods described is also wrapped
Include：
Network side carries out not including in IP data packet compressings, the content for making the IP packets after compression at IP layers
Data in first buffering area, only carry the first configured information of the data when needing to transmit the data.
The embodiment of the present invention additionally provides a kind of terminal, and the terminal includes：First sending module and the second hair
Send module；Wherein,
First sending module, for reporting the first information to network side, and sets up the communication with network side
Connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
Second sending module, for sending the IP packets after compression to network side.
In such scheme, the first information is IP data packet compressing ability labels；
First sending module, specifically for the first information is carried on into Long Term Evolution LTE network letter
Network side is reported in order.
In such scheme, first sending module, specifically for the first information is carried on into wireless money
In first extended field of source control RRC signaling, and first extended field is pass-through to network side.
In such scheme, first sending module, specifically for reporting first letter using OTT modes
Cease to network side.
In such scheme, first sending module, specifically for according to default URL
URL obtains the IP address of network side；
The first information is sent to network side based on the IP address.
In such scheme, the terminal also includes the first compression module, for carrying out IP packets at IP layers
Compression, makes not include the data in first buffering area in the content of the IP packets after compression, only is needing to pass
The first configured information of the data is carried during the defeated data.
In such scheme, first configured information is carried in the IP packet headers after compression；
First configured information includes：The length information of the positional information of the data, the data.
In such scheme, first configured information is carried on may be selected for the IP packet headers after compression
In option extended fields；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information.
In such scheme, the terminal also includes the first decompression module, for carrying out IP data at IP layers
Bag decompression.
The embodiment of the present invention additionally provides a kind of server, and the server includes：Acquisition module and communication mould
Block；Wherein,
The acquisition module, the first information for obtaining terminal transmission, and set up the communication with the terminal
Connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
The communication module, for receiving the IP packets after the compression that the terminal is sent, or sends pressure
IP packets after contracting give the terminal.
In such scheme, the first information is IP data packet compressing ability labels；
The acquisition module, specifically for the Long Term Evolution LTE network signaling by carrying the first information
Obtain the first information.
In such scheme, the acquisition module, specifically for the first extended field by being pass-through to network side
Obtain the first information；First extended field is the extended field of radio resource control RRC signaling,
And carry the first information.
In such scheme, the acquisition module, specifically for sent by OTT modes receiving terminal first
Information.
In such scheme, the server also includes the second decompression module, in the IP layers of decompression pressure
IP packets after contracting.
In such scheme, server also includes the second compression module, for carrying out IP packet pressures at IP layers
Contracting, makes not include the data in first buffering area in the content of the IP packets after compression, is only needing transmission
The first configured information of the data is carried during the data.
Data transmission method, terminal and server that the embodiment of the present invention is provided, terminal report the first information
To network side, and set up the communication connection with network side；The first information possesses for characterizing the terminal
Internet protocol IP data packet compressing ability；The IP packets after compression are sent to network side.Thus, will
Packet realizes the compression to whole packet, effectively saves empty overhead in IP layer compressions and transmission,
Improve power system capacity.
Brief description of the drawings
Fig. 1 is the data compression transmission method schematic flow sheet of the embodiment of the present invention one；
Fig. 2 is embodiment of the present invention network architecture schematic diagram；
Fig. 3 is the timing diagram one that embodiment of the present invention terminal reports the first information；
Fig. 4 is the timing diagram two that embodiment of the present invention terminal reports the first information；
Fig. 5 is the IP packet structure schematic diagrames after the embodiment of the present invention extends；
Fig. 6 is the data compression transmission method schematic flow sheet of the embodiment of the present invention two；
Fig. 7 is the data compression transmission method schematic flow sheet of the embodiment of the present invention three；
Fig. 8 is the data compression transmission method schematic flow sheet of the embodiment of the present invention four；
Fig. 9 is the data compression transmission method schematic flow sheet of the embodiment of the present invention five；
Figure 10 is that embodiment of the present invention terminal constitutes structural representation；
Figure 11 is embodiment of the present invention server group into structural representation.
Embodiment
Research finds, not only IP, transmission control protocol (TCP, Transmission in the packet of network transmission
Control Protocol), the bottom bag such as UDP (UDP, User Datagram Protocol)
There is rule in head, there is also certain regularity and redundancy in application layer packet header and payload, such as：
Many keywords in HTTP (HTTP, Hyper Text Transfer Protocol), such as
Accept-Encoding, User-Agent etc., front and rear multiple bags are fixed, the corresponding values of keyword,
Such as User-Agent values Mozilla, Firefox, front and rear multiple bags are also identical；
In OTT instant messagings, many forms are also fixed in the customized proprietary protocol of OTT manufacturers, are chatted
Also many high frequency words often occur in its content；Here, the OTT is " Over The Top "
Abbreviation, refer to that crossing operator by Internet firm provides a user various application services, this application
Merely with the network of operator, and service and provided by the third party outside operator；
E-MAIL, FTP (FTP, File Transfer Protocol) files passe WORD text
The texts such as shelves, source file has very high redundancy.
In embodiments of the present invention, terminal reports the first information to network side, and sets up the communication with network side
Connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；Hair
The IP packets after compression are sent to network side.
Embodiment one
Fig. 1 is embodiment of the present invention data compression transmission method schematic flow sheet, and Fig. 2 is the embodiment of the present invention
Network architecture schematic diagram, as shown in Figure 1, 2, the data compression transmission method include：
Step 101：Terminal reports the first information to network side, and sets up the communication connection with network side.
Here, the first information possesses IP data packet compressing abilities for characterizing the terminal.
Based on embodiment of the present invention, in actual applications, the first information can be IP packet pressures
Contracting ability label；
Accordingly, the terminal reports the first information to network side, including：
The first information is carried in LTE network signaling and reports network side by terminal.
In one embodiment, the first information is carried in LTE network signaling and reports net by the terminal
Network side, including：
The first information is carried in the first extended field of RRC signaling by terminal, and described first is expanded
Exhibition field is pass-through to network side；It is illustrated in figure 3 the timing diagram that embodiment of the present invention terminal reports the first information
One, when terminal carries out Attach processes, related signaling is extended, terminal and server is completed, i.e.,
The signalling interworking of service/PDN Gateway (S/P-GW) data compression capability；
First extended field is in RRC connection setup complete signaling
" noncriticalExtensions " field, " noncriticalExtensions " field is as follows：
nonCriticalExtension SEQUENCE{
DataCompression ENUMERATED { support, nonsupport } * compressed capabilities are indicated
}OPTIONAL
" noncriticalExtensions " field passes through Intial UE message via eNB, MME
(attach request), create session request are pass-through to the S/P-GW.
Based on embodiment of the present invention, in actual applications, first extended field can also carry institute
State the data compression algorithm of terminal support；The data compression algorithm can be one or more, such as
LZ77。
In actual applications, after the terminal reports the first information to network side, methods described also includes：
Terminal receives the first confirmation that network side is sent, and sets up the communication connection with network side；Described
One confirmation be used for characterize network side whether receiving terminal IP data packet compressings ability and data compression calculate
Method；
First confirmation can be carried on the second expansion of RRC Connection Reconfiguration signalings
Open up in field；Second extended field via eNB, MME by Intial context setup request,
Create session response are pass-through to the terminal；Second extended field can be
" noncriticalExtensions " field, it is as follows：
nonCriticalExtension SEQUENCE{
nonCriticalExtension SEQUENCE{
DataCompression ENUMERATED { support, nonsupport }
} OPTIONAL--Need OP
}
In one embodiment, the terminal reports the first information to network side, including：
Terminal reports the first information to network side using OTT modes；
In actual applications, while terminal reports the first information to network side using OTT modes, also
The compression algorithm that terminal is supported reports network side.
In actual applications, the terminal reports the first information to network side using OTT modes, including：
Terminal is obtained according to default URL (URL, Uniform Resource Locator)
The IP address of network side；
The first information is sent to network side based on the IP address；It is illustrated in figure 4 the embodiment of the present invention
Terminal reports the timing diagram two of the first information.
In one embodiment, terminal includes according to the default URL IP address for obtaining network side：
Terminal according to default URL send server address inquiry request to domain name resolution server (DNS,
Domain Name System) sever, receive the IP address for the network side that the DNS sever are sent.
In actual applications, it is described the first information is sent to network side based on the IP address after, institute
Stating method also includes：
The second confirmation that network side is sent is received, the communication connection with the network side is set up.
Step 102：The IP packets after compression are sent to network side.
Based on embodiment of the present invention, in actual applications, the IP packets sent after compression are to net
Before network side, methods described also includes：
Terminal carries out IP data packet compressings at IP layers, makes in the content of the IP packets after compression not include the
Data in one buffering area, only carry the first configured information of the data when needing to transmit the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
If that is, having part or all of content and the phase in first buffering area in the packet newly transmitted
Together, then position and length of the related content in first buffering area are only transmitted, and is not used in this portion of air interface transmission
Divide content；Such as web page access, the URL accessed before is www.sina.com.cn, this URL accessed
For finance.sina.com.cn, then there is sina.com.cn character string in buffering area, this actual biography
Only need transmission finance character strings and character string sina.com.cn in the position of buffering area when defeated, have
Effect reduces empty overhead；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
In one embodiment, after the IP packets sent after compression are to network side, methods described is also wrapped
Include：
Network side is decompressed at IP layers to the IP packets after the compression.
In embodiments of the present invention, the network side can be S/P-GW, in data transmission procedure,
The anchor point that S/P-GW is sent as data, upstream data and downlink data are first passed through after S/P-GW again to should
Sent with server or terminal.
Embodiment two
Fig. 6 is the data compression transmission method schematic flow sheet of the embodiment of the present invention two；As shown in fig. 6, this hair
Bright embodiment data compression transmission method includes：
Step 601：Network side obtains the first information that terminal is sent, and sets up the communication link with the terminal
Connect.
Here, the first information possesses Internet protocol IP data packet compressing energy for characterizing the terminal
Power；
In one embodiment, the first information is IP data packet compressing ability labels；
Accordingly, the network side obtains the first information that terminal is sent, including：
Network side obtains the first information by carrying the LTE network signaling of the first information.
In one embodiment, the network side obtains institute by carrying the LTE network signaling of the first information
The first information is stated, including：
Network side obtains the first information by being pass-through to the first extended field of network side；Described first expands
The extended field that field is RRC signaling is opened up, and carries the first information；
In actual applications, the RRC that the extended field can be for terminal during Attach is carried out
" noncriticalExtensions " field in connection setup complete signalings.
In one embodiment, first extended field can also carry the data compression calculation that the terminal is supported
Method；The data compression algorithm can be one or more, such as LZ77.
Based on embodiment of the present invention, in actual applications, the network side obtains first that terminal is sent
After information, methods described also includes：
Network side sends the first confirmation to the terminal；First confirmation is used to characterize network side
Whether receiving terminal IP data packet compressings ability and data compression algorithm；
First confirmation can be carried on the second expansion of RRC Connection Reconfiguration signalings
Open up in field；Second extended field via eNB, MME by Intial context setup request,
Create session response are pass-through to the terminal；Second extended field can be
" noncriticalExtensions " field.
In one embodiment, the network side obtains the first information that terminal is sent, including：
The first information that network side is sent by OTT modes receiving terminal.
In actual applications, the first information that the network side is sent by OTT modes receiving terminal, including：
The first information that IP address of the network side receiving terminal based on network side is sent；The IP of the network side
Address is what terminal was obtained according to default URL.
In actual applications, after the first information that the network side is sent by OTT modes receiving terminal,
Methods described also includes：
Network side sends the second confirmation to the terminal, sets up the communication connection with the terminal.
Step 602：Receive the IP packets after the compression that the terminal is sent.
Here, the IP packets after the compression are packet of the terminal in IP layer compressions, after the compression
IP packets content in not include first buffering area in data, only taken when needing to transmit the data
The first configured information with the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
Based on embodiment of the present invention, in actual applications, network side receives the compression that the terminal is sent
After IP packets afterwards, methods described also includes：
IP packet of the network side after the IP layers of decompression compression；
Specially network side is existed using decompression method corresponding with compression algorithm in the option extended fields
IP packets after the IP layers of decompression compression.
In embodiments of the present invention, network side can be S/P-GW, the anchor point that S/P-GW is sent as data,
Upstream data first passed through with downlink data and sent again to application server or terminal after S/P-GW.
Embodiment three
Fig. 7 is the data compression transmission method schematic flow sheet of the embodiment of the present invention three；As shown in fig. 7, this hair
Bright embodiment data compression transmission method includes：
Step 701：The first information that network side receiving terminal is sent, and set up the communication link with the terminal
Connect.
Here, the first information possesses Internet protocol IP data packet compressing energy for characterizing the terminal
Power；
In one embodiment, the first information is IP data packet compressing ability labels；
Accordingly, the network side obtains the first information that terminal is sent, including：
Network side obtains the first information by carrying the LTE network signaling of the first information.
In one embodiment, the network side obtains institute by carrying the LTE network signaling of the first information
The first information is stated, including：
Network side obtains the first information by being pass-through to the first extended field of network side；Described first expands
The extended field that field is RRC signaling is opened up, and carries the first information；
In actual applications, the RRC that the extended field can be for terminal during Attach is carried out
" noncriticalExtensions " field in connection setup complete signalings.
In one embodiment, first extended field can also carry the data compression calculation that the terminal is supported
Method；The data compression algorithm can be one or more, such as LZ77.
Based on embodiment of the present invention, in actual applications, the network side obtains first that terminal is sent
After information, methods described also includes：
Network side sends the first confirmation to the terminal；First confirmation is used to characterize network side
Whether receiving terminal IP data packet compressings ability and data compression algorithm；
First confirmation can be carried on the second expansion of RRC Connection Reconfiguration signalings
Open up in field；Second extended field via eNB, MME by Intial context setup request,
Create session response are pass-through to the terminal；Second extended field can be
" noncriticalExtensions " field.
In one embodiment, the network side obtains the first information that terminal is sent, including：
The first information that network side is sent by OTT modes receiving terminal.
In actual applications, the first information that the network side is sent by OTT modes receiving terminal, including：
The first information that IP address of the network side receiving terminal based on network side is sent；The IP of the network side
Address is what terminal was obtained according to default URL.
In actual applications, after the first information that the network side is sent by OTT modes receiving terminal,
Methods described also includes：
Network side sends confirmation to the terminal, sets up the communication connection with the terminal.
Step 702：The IP packets after compression are sent to the terminal.
Based on embodiment of the present invention, in actual applications, the IP packets sent after compression are to institute
State before terminal, methods described also includes：
Network side carries out not including in IP data packet compressings, the content for making the IP packets after compression at IP layers
Data in first buffering area, only carry the first configured information of the data when needing to transmit the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
Based on embodiment of the present invention, in actual applications, network side send the IP packets after compression to
After the terminal, methods described also includes：
IP packet of the terminal after the IP layers of decompression compression；
Specially terminal uses decompression method corresponding with compression algorithm in the option extended fields in IP
IP packets after the compression of layer decompression.
In embodiments of the present invention, network side can be S/P-GW, the anchor point that S/P-GW is sent as data,
Upstream data first passed through with downlink data and sent again to application server or terminal after S/P-GW.
Example IV
Fig. 8 is the data compression transmission method schematic flow sheet of the embodiment of the present invention four；As shown in Fig. 8, Fig. 3,
Embodiment of the present invention data compression transmission method includes：
Step 801：The first information is carried in LTE network signaling and reports network side by terminal.
Here, the first information possesses IP data packet compressing abilities for characterizing the terminal.
In embodiments of the present invention, the first information is IP data packet compressing ability labels.
The first information is carried in LTE network signaling and reports network side by the terminal, including：
The first information is carried in the first extended field of RRC signaling by terminal, and described first is expanded
Exhibition field is pass-through to network side；It is illustrated in figure 3 the timing diagram that embodiment of the present invention terminal reports the first information
One, when terminal carries out Attach processes, related signaling is extended, terminal and server is completed, i.e.,
The signalling interworking of service/PDN Gateway (S/P-GW) data compression capability；
First extended field is in RRC connection setup complete signaling
" noncriticalExtensions " field, " noncriticalExtensions " field is as follows：
nonCriticalExtension SEQUENCE{
DataCompression ENUMERATED { support, nonsupport } * compressed capabilities are indicated
} OPTIONAL
" noncriticalExtensions " field passes through Intial UE message via eNB, MME
(attach request), create session request are pass-through to the S/P-GW.
In embodiments of the present invention, first extended field also carries the data compression calculation that the terminal is supported
Method；The data compression algorithm can be one or more, such as LZ77.
Step 802：Network side sends the first confirmation to terminal, sets up the communication connection with the terminal.
Here, first confirmation be used for characterize network side whether the IP data packet compressing energy of receiving terminal
Power and data compression algorithm；
In embodiments of the present invention, first confirmation is carried on RRC Connection
In second extended field of Reconfiguration signalings；Second extended field is logical via eNB, MME
Cross Intial context setup request, create session response and be pass-through to the terminal；Described
Two extended fields can be " noncriticalExtensions " field, as follows：
nonCriticalExtension SEQUENCE{
nonCriticalExtension SEQUENCE{
DataCompression ENUMERATED { support, nonsupport }
} OPTIONAL --Need OP
}
Step 803：Terminal carries out IP data packet compressings, and sends the IP packets after compression to network side.
Here, the data in first buffering area are not included in the content of the IP packets after the compression, are only existed
The first configured information of the data is carried when needing to transmit the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
Step 804：Network side receives the IP packets after the compression, is decompressed at IP layers.
In embodiments of the present invention, network side is using corresponding with compression algorithm in the option extended fields
IP packet of the decompression method after the IP layers of decompression compression.
In embodiments of the present invention, the network side be S/P-GW, the anchor point that S/P-GW is sent as data,
Upstream data first passed through with downlink data and sent again to application server or terminal after S/P-GW.
In one embodiment, after this step, methods described can also include：Network side enters line number at IP layers
According to packet compression, and the IP packets after compression are sent to terminal.
Embodiment five
Fig. 9 is the data compression transmission method schematic flow sheet of the embodiment of the present invention five；As shown in Fig. 9, Fig. 4,
Embodiment of the present invention data compression transmission method includes：
Step 901：Terminal obtains the IP address of network side according to default URL.
In one embodiment, this step is specifically included：Terminal sends server address according to default URL and looked into
Ask request and give DNS sever, receive the IP address for the network side that the DNS sever are sent.
Step 902：Terminal is based on the IP address and sends the first information to network side.
Here, the first information possesses IP data packet compressing abilities for characterizing the terminal.
In actual applications, while terminal is based on the IP address transmission first information to network side,
The compression algorithm that terminal is supported also is sent to network side.
Step 903：Network side sends the second confirmation to the terminal, sets up the communication with the terminal
Connection.
Step 904：Terminal carries out data packet compressing at IP layers, and sends the IP packets after compression to network
Side.
Here, the data in first buffering area are not included in the content of the IP packets after the compression, are only existed
The first configured information of the data is carried when needing to transmit the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
If that is, having part or all of content and the phase in first buffering area in the packet newly transmitted
Together, then position and length of the related content in first buffering area are only transmitted, and is not used in this portion of air interface transmission
Divide content；Such as web page access, the URL accessed before is www.sina.com.cn, this URL accessed
For finance.sina.com.cn, then there is sina.com.cn character string in buffering area, this actual biography
Only need transmission finance character strings and character string sina.com.cn in the position of buffering area when defeated, have
Effect reduces empty overhead；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
Step 905：Network side is decompressed at IP layers to the IP packets after the compression.
In one embodiment, after this step, methods described can also include：Network side enters line number at IP layers
According to packet compression, and the IP packets after compression are sent to terminal.
In embodiments of the present invention, the network side can be S/P-GW, in data transmission procedure,
The anchor point that S/P-GW is sent as data, upstream data and downlink data are first passed through after S/P-GW again to should
Sent with server or terminal.
Embodiment six
Figure 10 is that embodiment of the present invention terminal constitutes structural representation；As shown in Figure 10, the embodiment of the present invention
Terminal composition includes：First sending module 11 and the second sending module 12；Wherein,
First sending module 11, for reporting the first information to network side, and sets up logical with network side
Letter connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
Second sending module 12, for sending the IP packets after compression to network side.
In one embodiment, the first information is IP data packet compressing ability labels；
First sending module 11, specifically for the first information is carried in LTE network signaling
Offer network side.
In one embodiment, first sending module 11, specifically for the first information is carried on
In first extended field of RRC signaling, and first extended field is pass-through to network side；
In actual applications, first extended field is in RRC connection setup complete signaling
" noncriticalExtensions " field.
Based on embodiment of the present invention, in actual applications, first extended field can also carry institute
State the data compression algorithm of terminal support；The data compression algorithm can be one or more, such as
LZ77。
In one embodiment, first sending module 11, is additionally operable to receive the first confirmation that network side is sent
Information, sets up the communication connection with network side；First confirmation is used to characterize whether network side receives
The IP data packet compressings ability and data compression algorithm of terminal；
First confirmation can be carried on the second expansion of RRC Connection Reconfiguration signalings
Open up in field；Second extended field via eNB, MME by Intial context setup request,
Create session response are pass-through to the terminal；Second extended field can be
" noncriticalExtensions " field.
In one embodiment, first sending module 11, it is described specifically for being reported using OTT modes
The first information is to network side.
In actual applications, first sending module 11, is additionally operable to report described using OTT modes
While one information is to network side, the compression algorithm that terminal is supported also is reported into network side.
In one embodiment, first sending module 11, specifically for obtaining net according to default URL
The IP address of network side；
The first information is sent to network side based on the IP address.
In actual applications, first sending module 11, is additionally operable to receive the second confirmation that network side is sent
Information, sets up the communication connection with the network side.
In one embodiment, the terminal also includes the first compression module 13, for carrying out IP numbers at IP layers
According to packet compression, make not include the data in first buffering area in the content of the IP packets after compression, only needing
The first configured information of the data is carried when transmitting the data.
In one embodiment, first configured information is carried in the IP packet headers after compression；
First configured information includes：The length information of the positional information of the data, the data.
In one embodiment, first configured information is carried on may be selected for the IP packet headers after compression
In option extended fields；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information.
In one embodiment, the terminal also includes the first decompression module 14, for carrying out IP at IP layers
Packet is decompressed.
Embodiment seven
Figure 11 is embodiment of the present invention server group into structural representation；As shown in figure 11, the present invention is implemented
Example server group into including：Acquisition module 21 and communication module 22；Wherein,
The acquisition module 21, the first information for obtaining terminal transmission, and set up logical with the terminal
Letter connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
The communication module 22, for receiving the IP packets after the compression that the terminal is sent, Huo Zhefa
The IP packets after compression are sent to the terminal.
In one embodiment, the first information is IP data packet compressing ability labels；
The acquisition module 21, believes specifically for the Long Term Evolution LTE network by carrying the first information
Order obtains the first information.
In one embodiment, the acquisition module 21, specifically for the first extension by being pass-through to network side
Field obtains the first information；First extended field is the extended field of RRC signaling, and carries institute
State the first information；
In actual applications, the RRC that the extended field can be for terminal during Attach is carried out
" noncriticalExtensions " field in connection setup complete signalings.
In one embodiment, first extended field can also carry the data compression calculation that the terminal is supported
Method；The data compression algorithm can be one or more, such as LZ77.
In one embodiment, the acquisition module 21, is additionally operable to send the first confirmation to the terminal；
First confirmation be used for characterize network side whether the IP data packet compressings ability and data of receiving terminal
Compression algorithm；
First confirmation can be carried on the second expansion of RRC Connection Reconfiguration signalings
Open up in field；Second extended field via eNB, MME by Intial context setup request,
Create session response are pass-through to the terminal；Second extended field can be
" noncriticalExtensions " field.
In one embodiment, the acquisition module 21, specifically for being sent by OTT modes receiving terminal
The first information.
In actual applications, the acquisition module 21, specifically for IP of the receiving terminal based on network side
The first information that location is sent；The IP address of the network side is what terminal was obtained according to default URL.
In one embodiment, the acquisition module 21, is additionally operable to send the second confirmation to the terminal,
Set up the communication connection with the terminal.
In one embodiment, the server also includes the second decompression module 23, in IP layers of decompression
IP packets after the compression.
In one embodiment, the server also includes the second compression module 24, for carrying out IP at IP layers
Data packet compressing, makes not include the data in first buffering area in the content of the IP packets after compression, only exists
The first configured information of the data is carried when needing to transmit the data；
Here, the first buffering area is the data buffer zone that the terminal is safeguarded jointly with network side.
In one embodiment, first configured information includes：The positional information of the data, the data
Length information；First configured information is carried in the IP packet headers after compression；
Specifically, first configured information is carried on the optional option of the IP packet headers after compression
In extended field；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information；It is illustrated in figure 5 the IP packet structure schematic diagrames after embodiment of the present invention extension.
In embodiments of the present invention, the server can be S/P-GW, and S/P-GW is sent as data
Anchor point, upstream data first passed through with downlink data and sent again to application server or terminal after S/P-GW.
In embodiments of the present invention, in the terminal the first sending module 11, the second sending module 12,
Acquisition module 21, communication module in one compression module 13 and the first decompression module 14, the server
22nd, the second decompression module 23 and the second compression module 24 can be handled by the center in terminal or server
Device (CPU, Central Processing Unit) or digital signal processor (DSP, Digital Signal
Processor) or field programmable gate array (FPGA, Field Programmable Gate Array) or
Integrated circuit (ASIC, Application Specific Integrated Circuit) is realized.
It need to be noted that be：It is class with above method description above is referred to the description of terminal and server
As, the beneficial effect with method is described, and is not repeated.For terminal of the present invention and server implementation
The ins and outs not disclosed in example, refer to the description of the inventive method embodiment.
The above, only present pre-ferred embodiments are not intended to limit the scope of the present invention.
Claims (21)
1. a kind of data compression transmission method, it is characterised in that methods described includes：
Terminal reports the first information to network side, and sets up the communication connection with network side；The first information
Possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
The IP packets after compression are sent to network side.
2. method according to claim 1, it is characterised in that the first information is IP packet pressures
Contracting ability label；
The terminal reports the first information to network side, including：
The first information is carried in Long Term Evolution LTE network signaling and reports network side by terminal.
3. method according to claim 2, it is characterised in that the terminal carries the first information
Network side is reported in LTE network signaling, including：
The first information is carried in the first extended field of radio resource control RRC signaling by terminal, and
First extended field is pass-through to network side.
4. method according to claim 1, it is characterised in that the terminal reports the first information to network
Side, including：
Terminal reports the first information to network side using OTT modes.
5. method according to claim 4, it is characterised in that the terminal is reported using OTT modes
The first information to network side, including：
Terminal obtains the IP address of network side according to default uniform resource position mark URL；
The first information is sent to network side based on the IP address.
6. method according to claim 1, it is characterised in that the IP packets after the transmission compression
Before network side, methods described also includes：
Terminal carries out IP data packet compressings at IP layers, makes in the content of the IP packets after compression not include the
Data in one buffering area, only carry the first configured information of the data when needing to transmit the data.
7. method according to claim 6, it is characterised in that first configured information is carried on compression
In IP packet headers afterwards；
First configured information includes：The length information of the positional information of the data, the data.
8. method according to claim 7, it is characterised in that first configured information is carried on compression
In the optional option extended fields of IP packet headers afterwards；
The option extended fields also carry whether IP packets where for characterizing option extended fields enter
Gone data compression compression configured information, compression after IP packets in compression point information and compression calculate
Method information.
9. a kind of data compression transmission method, it is characterised in that methods described includes：
Network side obtains the first information that terminal is sent, and sets up the communication connection with the terminal；Described
One information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
Receive the IP packets after the compression that the terminal is sent, or send the IP packets after compression to
The terminal.
10. method according to claim 9, it is characterised in that the first information is IP packet pressures
Contracting ability label；
The network side obtains the first information that terminal is sent, including：
Network side obtains first letter by carrying the Long Term Evolution LTE network signaling of the first information
Breath.
11. method according to claim 10, it is characterised in that the network side is by carrying described
The LTE network signaling of one information obtains the first information, including：
Network side obtains the first information by being pass-through to the first extended field of network side；Described first expands
The extended field that field is radio resource control RRC signaling is opened up, and carries the first information.
12. method according to claim 9, it is characterised in that the network side obtains what terminal was sent
The first information, including：
The first information that network side is sent by OTT modes receiving terminal.
13. method according to claim 9, it is characterised in that the pressure that the reception terminal is sent
After IP packets after contracting, methods described also includes：
IP packet of the network side after the IP layers of decompression compression.
14. method according to claim 9, it is characterised in that the IP packets after the transmission compression
Before the terminal, methods described also includes：
Network side carries out not including in IP data packet compressings, the content for making the IP packets after compression at IP layers
Data in first buffering area, only carry the first configured information of the data when needing to transmit the data.
15. a kind of terminal, it is characterised in that the terminal includes：First sending module and the second transmission mould
Block；Wherein,
First sending module, for reporting the first information to network side, and sets up the communication with network side
Connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
Second sending module, for sending the IP packets after compression to network side.
16. the terminal according to claim 15, it is characterised in that the first information is IP packets
Compressed capability is identified；
First sending module, specifically for the first information is carried on into radio resource control RRC letter
In first extended field of order, and first extended field is pass-through to network side.
17. the terminal according to claim 15, it is characterised in that first sending module, specific to use
In the IP address that network side is obtained according to default uniform resource position mark URL；
The first information is sent to network side based on the IP address.
18. the terminal according to claim 15, it is characterised in that the terminal also includes the first compression mould
Block, for carrying out IP data packet compressings at IP layers, makes in the content of the IP packets after compression not include the
Data in one buffering area, only carry the first configured information of the data when needing to transmit the data.
19. a kind of server, it is characterised in that the server includes：Acquisition module and communication module；
Wherein,
The acquisition module, the first information for obtaining terminal transmission, and set up the communication with the terminal
Connection；The first information possesses Internet protocol IP data packet compressing ability for characterizing the terminal；
The communication module, for receiving the IP packets after the compression that the terminal is sent, or sends pressure
IP packets after contracting give the terminal.
20. the server according to claim 19, it is characterised in that the first information is IP data
Packet compression ability label；
The acquisition module, described first is obtained specifically for the first extended field by being pass-through to network side
Information；First extended field is the extended field of radio resource control RRC signaling, and carries described the
One information.
21. the server according to claim 19, it is characterised in that the server also includes the second pressure
Contracting module, for carrying out not wrapping in IP data packet compressings, the content for making the IP packets after compression at IP layers
The data in first buffering area are included, first that the data are only carried when needing to transmit the data indicates letter
Breath.
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| CN201610006004.XA CN106941454A (en) | 2016-01-04 | 2016-01-04 | A kind of data compression transmission method, terminal and server |
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Application publication date: 20170711 |