CN101287270B - Method and apparatus for service transmission - Google Patents
Method and apparatus for service transmission Download PDFInfo
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- CN101287270B CN101287270B CN2008101046581A CN200810104658A CN101287270B CN 101287270 B CN101287270 B CN 101287270B CN 2008101046581 A CN2008101046581 A CN 2008101046581A CN 200810104658 A CN200810104658 A CN 200810104658A CN 101287270 B CN101287270 B CN 101287270B
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Abstract
The invention discloses a service transporting method, which aims at achieving the best service transporting effect by using the least number of relay nodes under the circumstance that the demand on Quality of Service (QoS) is met. The method of the invention includes that: the actual value of each QoS provided by each service transporting link is determined according to the state information of each relay node in each service transporting link in at least two selected service transporting links; the service transporting link which can meet the demand of each QoS according the actual value of each QoS is obtained; the service transporting links which meet the all QoS demands are selected from the service transporting links which meet the demand of each QoS to transfer the service. In addition, the invention also discloses a service transporting device.
Description
Technical field
The present invention relates to wireless communication technology field, refer to a kind of method and device of transport service especially.
Background technology
The present forward of cordless communication network is broadband, isomerization, self-organization; Mobile, directions such as all-IPization develop, and are the basis with the heterogeneous network interconnection technique; Comprehensive various wireless communication network; Set up collaborative wireless isomer system, function is different, and various informative terminal is collaborative to be one of developing direction of future network so that high-quality multi-service service to be provided.And different service has different service quality QoS (Qulity of service) demand; Because business communication for coordination in heterogeneous network needs via node to transmit, and therefore guarantees that the selection of the via node of QoS of survice demand is a difficult point of heterogeneous network communication for coordination.
At present less for the method for trunk node selection in the heterogeneous network; Method commonly used is to adopt processing capacity powerful; And the higher stationary nodes of reliability is carried out relaying and is transmitted; But because the unreliability of wireless channel, this fixing node can become the bottleneck of transfer of data in the heterogeneous network, and is difficult to reach its QoS demand for business.The method that some relay selection are also arranged in wireless networks such as transducer; For example node can adopt the method for model flood formula to seek via node; According to certain rule, for example cover constraint, carry out the route correction then based on methods such as malfunctioning node and energy balance Network Based based on the best.This method can be used for reference for heterogeneous network, but it is owing to the communication between two networks of heterogeneous network, and the selection of its via node will be taken all factors into consideration two networks.At present also there is certain methods in the principle for trunk node selection, for example based on the relay selection method of signal strength signal intensity, based on the relay selection method of bandwidth, based on the relay selection method of power.These methods generally are the via nodes that chooses to demand in a certain respect, do not ensure for satisfying professional QoS demand.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of method of transport service, is used under the target that satisfies professional QoS demand, adopting minimum via node number to reach best professional laser propagation effect.
The embodiment of the invention provides a kind of method of transport service, and said business comprises at least a service quality QoS demand, comprising:
Status information based on each via node in every service transmission link at least two service transmission links selecting is confirmed every kind of QoS actual value that said every service transmission link provides;
Be met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value;
The service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands transmits said business.
A kind of device of transport service comprises:
Confirm the unit, be used for confirming every kind of QoS actual value that said every service transmission link provides according to the state information of each via node in every service transmission link of at least two service transmission links of selecting;
Obtain the unit, be used for being met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value;
Selected cell is used for transmitting said business at the service transmission link that the said service transmission link that satisfies every kind of QoS demand is selected to satisfy all QoS demands.
Confirm every kind of QoS actual value that said every service transmission link provides according to the state information of each via node in every service transmission link at least two service transmission links selecting in the embodiment of the invention; Be met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value; The service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands transmits said business; Can select only link to transmit automatically according to the QoS demand of business like this; Can Limited resources more reasonably be distributed, thereby reach best QoS effect with minimum resource.
Description of drawings
Fig. 1 is the flow chart that the embodiment of the invention is selected the method for via node;
Fig. 2 is the particular flow sheet that the embodiment of the invention is selected the method for via node;
Fig. 3 is the structure drawing of device that the embodiment of the invention is selected via node.
Embodiment
The embodiment of the invention provides a kind of method of transport service; Comprise: the state information according to each via node in every service transmission link at least two service transmission links selecting is confirmed every kind of QoS actual value that said every service transmission link provides; Be met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value, satisfy the service transmission link of selecting to satisfy all QoS demands in the service transmission link of every kind of QoS demand and transmit said business said.
Select the method for via node to describe below in conjunction with accompanying drawing to the embodiment of the invention.Referring to Fig. 1:
Step 101: obtain at least two service transmission links.Said service transmission link comprises each via node, both can be in heterogeneous network in the embodiment of the invention transport service, also can be in homogeneous network transport service, the business that is transmitted has at least a QoS demand.
Step 102: obtain the set of the service transmission link that satisfies every kind of QoS demand, the detailed process that this step realizes can be such: the state information according to each via node in every service transmission link in the step 101 is confirmed every kind of QoS actual value that said every service transmission link provides.
According to the classification of every kind of QoS demand, every kind of QoS actual value that said every service transmission link is provided compares with every kind of corresponding QoS requirements, is met the service transmission link of every kind of QoS demand.
Wherein, According to the additivity of every kind of QoS demand with QoS demands all in the said business be divided into the not stackable first kind with second type that can superpose; When said QoS demand belongs to the first kind; The said QoS actual value that every service transmission link provides is compared with corresponding QoS requirements, when the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand.
When said QoS demand belongs to second time-like, the said QoS actual value that every service transmission link provides is compared with corresponding QoS requirements;
When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
When the said QoS actual value that provides when any service transmission link does not satisfy corresponding QoS demand limit; The said QoS actual value that the other service transmission link that superposes provides satisfies corresponding QoS requirements until the summation of the said QoS actual value that many service transmission links provide, and confirms that said many service transmission links are the service transmission link that satisfies said QoS demand.
So obtain satisfying in the first kind and second type the service transmission link of every kind of QoS demand respectively.
Step 103: the service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands.
Concrete implementation procedure can be such, first service transmission link set that the service transmission link that satisfies each QoS demand in the first kind is sought common ground and is met all QoS demands of the first kind;
Second service transmission link set that the service transmission link of each QoS demand in satisfying second type is sought common ground and is met second type of all QoS demand;
The set of said first service transmission link sought common ground with the set of second service transmission link be met the service transmission link of all QoS demands.
Step 104: select the said service transmission link that satisfies all QoS demands to transmit said business.
If the set of first service transmission link is not an empty set with the second service transmission link intersection of sets collection in the step 103, select the said service transmission link transport service that satisfies all QoS demands.If occur simultaneously for empty set, then can't find the transmission link that satisfies all QoS demands, the service transmission link that select to satisfy the high QoS demand of priority this moment transmits said business.
Preferred embodiment of the present invention is applied in the heterogeneous network, and heterogeneous network has multiple network form NET={A, B, C ..., node can with some network service, be generally the subclass SUBNET of NET.The form of expression of node is SUBNET, and source node will send data to the destination node in another network, does not have normal communications conduit therebetween, needs the via node in the transmission link to transmit.
Select the idiographic flow of service transmission link following, referring to Fig. 2:
Step 201: source node S UBNET1 sends professional transmission requests with the form of broadcasting in network SUBNET1, described request comprises: the address of destination node SUBNET2, QoS of survice demand.Wherein, business can be multiple, and every kind of business comprises one or more QoS demands, also can be single professional a plurality of QoS demands, has a kind of QoS demand in embodiments of the present invention at least, with X, and Y, Z or the like expression QoS demand.Business can be divided into the multilink joint transmission, the QoS demand is divided into two types, the first kind according to the additivity of QoS demand: every QoS demand that link must satisfy, for example postpone, and be made as QoS1={X, W, V ...; Second type: every link satisfies the wherein part of QoS demand, gets final product but the multilink summation satisfies the QoS demand, and for example bandwidth is made as QoS2={Y, Z, U ....
The QoS of survice requirements is Threshold_x1 or Threshold_x2, Threshold_y1 or Threshold_y2, Threshold_z1 or Threshold_z2 ..., wherein mantissa is 1 the QoS1 that belongs to, mantissa is 2 the QoS2 that belongs to.
Step 202: select at least two service transmission links, can form by a via node in every service transmission link, also can form by a plurality of via nodes.In the embodiment of the invention, every transmission link is made up of a via node, for example SUBNET
3, SUBNET
4SUBNET
nRepresent the 3rd respectively, 4----n bar link, wherein, select at least two service transmission links.If SUBNET
mSend professional forwarding information, said information comprises SUBNET
2The address, QoS of survice information X, Y, Z ..., SUBNET
mNode status information α
m, β
m, γ
mWherein, m=3,4 ... N.SUBNET in the present embodiment
1, SUBNET
2, SUBNET
mCan belong in the different heterogeneous network.SUBNET for example
1Be WLAN, SUBNET
2Be GSM, SUBNETm is as long as have common factor with SUBNET1 and SUBNET2.
Step 203: destination node is received the information that multilink is transmitted, and destination node is received a plurality of via node (SUBNET in the embodiment of the invention
3SUBNETn) professional forwarding information, according to the QoS demand of business, and via node (SUBNET
3SUBNETn) state information is confirmed every kind of QoS actual value that said every service transmission link provides.In this step, destination node also can be given origin node with these feedback information, confirms every kind of QoS actual value that said every service transmission link provides by origin node.Then according to the classification of every kind of QoS demand; The actual value of every kind of QoS demand that said every service transmission link is provided compares with every kind of corresponding QoS requirements; Be met the set of the service transmission link of every kind of QoS demand, just satisfy the set of the via node of every kind of QoS demand.
Wherein detailed process can be such:
According to the QoS demand of business, and the state information of all via nodes is confirmed the actual value of every kind of QoS demand that said every service transmission link provides on every link.If X belongs to QoS1, and the actual value of the X that provides of every service transmission link satisfies Threshold_x, then the via node SUBNET in this service transmission link
mCan join among the set G-x of the service transmission link that satisfies X; If X belongs to QoS2, if the actual value of the X that provides of wall scroll service transmission link satisfies Threshold_x, the via node SUBNET in this service transmission link then
mCan be used as a service transmission link group joins among the set G-x of the service transmission link that satisfies X; If the X actual value that the wall scroll service transmission link provides does not satisfy Threshold_x; Then need add the X actual value that an other service transmission link provides; The summation of the X actual value that provides until many service transmission links satisfies Threshold_x, during the present invention implements, if i via node SUBNET just in the i bar service transmission link
mThe summation of the X actual value that provides satisfy Threshold_x, then this i via node joins among the G-x as a service transmission link group, wherein i>=2.In the embodiment of the invention, if X is time-delay, then X belongs to QoS1; The requirements of X is 500 milliseconds; If the time-delay actual value that provides of wall scroll service transmission link is 300 milliseconds, 300 milliseconds less than 500 milliseconds, and then this service transmission link is the service transmission link that satisfies the time-delay demand.If X is a bandwidth; Then X belongs to QoS2, and the requirements of X is 1M, if the bandwidth actual value that the wall scroll service transmission link provides is 512K; Then this service transmission link does not satisfy bandwidth demand; The bandwidth actual value that the other service transmission link that then can superpose provides, the bandwidth actual value that provides until many service transmission links is more than or equal to 1M, and these many service transmission links satisfy the service transmission link of bandwidth demand so.
Take above-mentioned same method to obtain to satisfy QoS demand Y, Z ... The set G-y of service transmission link, G-z ...
Step 204: to the set G-x of the service transmission link that satisfies every kind of QoS demand; G-y; G-z ... The I-G that seeks common ground, because it is different to belong to the set and the element that belongs in the set of service transmission link among the QoS2 of service transmission link of QoS1, the service transmission link in therefore needing two types is got common factor respectively; The set of two types of service transmission links is united and is got common factor then, and the intersection of sets collection that promptly belongs to service transmission link among the QoS2 must exist with the intersection of sets that belongs to service transmission link among the QoS1 to be concentrated.
In the embodiment of the invention, if the QoS demand includes only X, Y, Z, if X belongs to QoS1, the G-x that calculates is { SUBNET
3, SUBNET
4, SUBNET
5, SUBNET
6, SUBNET
7, Y belongs to QoS2, and the G-y that calculates is { { SUBNET
4, SUBNET
5, { SUBNET
3, SUBNET
7, promptly G-y comprises two service transmission link group { SUBNET
4, SUBNET
5And { SUBNET
3, SUBNET
7.In like manner also can draw the G-z that satisfies QoS demand Z.Z belongs to QoS2, and G-z is { { SUBNET
4, SUBNET
5, { SUBNET
6, SUBNET
7.
First service transmission link set that the set of the service transmission link that satisfies each QoS demand in the first kind is sought common ground and is met all QoS demands of first type; Because the first kind has only a kind of QoS demand in the embodiment of the invention, so the set of first service transmission link is { SUBNET
3, SUBNET
4, SUBNET
5, SUBNET
6, SUBNET
7.Second service transmission link set that the set of satisfying the service transmission link of each QoS demand in second type is sought common ground and is met second type of all QoS demand.Because QoS demand Y, Z belong to QoS2 group, then at first with G-y, the G-z I-G that seeks common ground
2, obtain second service transmission link set I-G
2Be { { SUBNET
4, SUBNET
5.The set of said first service transmission link sought common ground with the set of second service transmission link is met the service transmission link of all QoS demands, is about to I-G
2With G-x, seeking common ground obtains I-G, and I-G is { SUBNET
4, SUBNET
5.
Step 205: judging whether occur simultaneously is empty set, is not empty if occur simultaneously, and then execution in step 206, and common factor I-G is the service transmission link that satisfies professional QoS demand, if occur simultaneously for empty, then execution in step 207.
According to step 204, can draw that I-G is { SUBNET in the embodiment of the invention
4, SUBNET
5.This moment execution in step 206.
Step 206: select SUBNET
4, SUBNET
5Transport service.
In embodiments of the present invention, if also have QoS demand W, W belongs to QoS1, and G-w is { SUBNET
5, SUBNET
6, SUBNET
7, SUBNET
8, SUBNET
9, X, W belongs to QoS1, then at first with G-x, the G-w I-G that seeks common ground
1, obtain I-G
1Be { SUBNET
5, SUBNET
6, SUBNET
7, because I-G
2Be { { SUBNET
4, SUBNET
5, with I-G
1With I-G
2, seeking common ground and obtaining I-G is empty set, then can't find the service transmission link that satisfies all QoS of survice demands.This moment execution in step 207.
Step 207: in the time can't finding the service transmission link that satisfies all QoS of survice demands, the priority of more said every kind of QoS demand, the service transmission link of selecting to satisfy the high QoS demand of priority transmits said business.Concrete implementation procedure is: compare QoS demand X, and Y, Z, the priority of W if the priority of X is the highest, is selected G-x{SUBNET so
3, SUBNET
4, SUBNET
5, SUBNET
6, SUBNET
7Transmit said business.If the priority of Y is the highest, select G-y{{SUBNET so
4, SUBNET
5, { SUBNET
3, SUBNET
7Transmit said business.
In another embodiment of the present invention, the business that is transmitted includes only a kind of QoS demand, judges that at first it still is second type that said QoS demand belongs to the first kind, obtains the service transmission link set of satisfying said QoS demand according to classification then.Here has only a kind of QoS demand, so select to satisfy the service transmission link set transport service of said QoS demand.
Can make up a kind of device of transport service according to the described method of the embodiment of the invention,, comprise: confirm unit 100, obtain unit 200 and selected cell 300 referring to Fig. 3.Wherein,
Confirm unit 100, be used for confirming every kind of QoS actual value that said every service transmission link provides according to the state information of each via node in every service transmission link of at least two service transmission links of selecting.
Obtain unit 200, be used for being met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value.
Selected cell 300 is used for transmitting said business at the service transmission link that the said service transmission link that satisfies every kind of QoS demand is selected to satisfy all QoS demands.
Further obtaining unit 200 can comprise: relatively subelement 210, the first definite subelements 220, the second definite subelements 230 and the 3rd are confirmed subelement 240.
Compare subelement 210, the said QoS actual value that is used for every service transmission link is provided is compared with corresponding QoS requirements;
First confirms subelement 220; Be used for when the QoS demand belongs to not stackable type; When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
Second confirms subelement 230; Be used for when the QoS demand belongs to stackable type; When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
The 3rd confirms subelement 240; Be used for when the QoS demand belongs to stackable type; When the said QoS actual value that provides when any service transmission link does not satisfy corresponding QoS demand limit; The said QoS actual value that the other service transmission link that superposes provides satisfies corresponding QoS requirements until the summation of the said QoS actual value that many service transmission links provide, and confirms that said many service transmission links are the service transmission link that satisfies said QoS demand.
And selected cell 300 envelopes: first common factor subelement 310, the second common factor subelements, 320, the three common factor subelements 330 and the first chooser unit 340.
The first common factor subelement 310 is used for first service transmission link set that the service transmission link that satisfies said not stackable each QoS demand of type is sought common ground and is met not stackable all QoS demands of type;
The second common factor subelement 320 is used for second service transmission link set that the set with the service transmission link that satisfies said each QoS demand of stackable type seeks common ground and is met all QoS demands of stackable type;
The 3rd common factor subelement 330, being used for the set of said first service transmission link sought common ground with the set of second service transmission link is met the service transmission link of all QoS demands;
The first chooser unit 340 is used to select the said service transmission link that satisfies all QoS demands to transmit said business.
In the embodiment of the invention, selected cell can also comprise the second chooser unit.
The second chooser unit is used for when not satisfying the service transmission link of all QoS demands, and the service transmission link of selecting to satisfy the high QoS demand of priority transmits said business.
Confirm every kind of QoS actual value that said every service transmission link provides according to the state information of each via node in every service transmission link at least two service transmission links selecting in the embodiment of the invention; Be met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value; The service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands transmits said business; Can select only service transmission link to transmit automatically according to the QoS demand of business like this; Can Limited resources more reasonably be distributed, thereby reach best QoS effect with minimum resource.The embodiment of the invention both can be applied in the heterogeneous network, also can in homogeneous network, use, and under the target that satisfies the QoS of survice demand, adopted minimum via node number to reach best professional laser propagation effect.
Though described the present invention through embodiment, those of ordinary skills know, under the situation that does not break away from spirit of the present invention and essence, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited appended claim.
Claims (4)
1. the method for a transport service is characterized in that, said business comprises at least a service quality QoS demand, and this method comprises:
Status information based on each via node in every service transmission link at least two service transmission links selecting is confirmed every kind of QoS actual value that said every service transmission link provides;
Be met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value;
The service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands transmits said business;
When not satisfying the service transmission link of all QoS demands, the service transmission link of selecting to satisfy the high QoS demand of priority transmits said business;
Wherein, when said QoS demand belonged to not stackable type, the said service transmission link that is met every kind of QoS demand according to said every kind of QoS actual value comprised:
The said QoS actual value that every service transmission link provides is compared with corresponding QoS requirements;
When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
When said QoS demand belonged to stackable type, the said service transmission link that is met every kind of QoS demand according to said every kind of QoS actual value comprised:
The said QoS actual value that every service transmission link provides is compared with corresponding QoS requirements;
When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
When the said QoS actual value that provides when any service transmission link does not satisfy corresponding QoS demand limit; The said QoS actual value that the other service transmission link that superposes provides satisfies corresponding QoS requirements until the summation of the said QoS actual value that many service transmission links provide, and confirms that said many service transmission links are the service transmission link that satisfies said QoS demand.
2. the method for claim 1 is characterized in that, the said service transmission link of in the said service transmission link that satisfies every kind of QoS demand, selecting to satisfy all QoS demands transmits said business and comprises:
First service transmission link set that the service transmission link that satisfies each QoS demand in the said not stackable type is sought common ground and is met not stackable all QoS demands of type;
Second service transmission link set that the set of satisfying the service transmission link of each QoS demand in the said stackable type is sought common ground and is met all QoS demands of stackable type;
The set of said first service transmission link sought common ground with the set of second service transmission link be met the service transmission link of all QoS demands;
Select the said service transmission link that satisfies all QoS demands to transmit said business.
3. the device of a transport service is characterized in that, comprising:
Confirm the unit, be used for confirming every kind of QoS actual value that said every service transmission link provides according to the state information of each via node in every service transmission link of at least two service transmission links of selecting;
Obtain the unit, be used for being met the service transmission link of every kind of QoS demand according to said every kind of QoS actual value;
Selected cell; Be used for transmitting said business at the service transmission link that the said service transmission link that satisfies every kind of QoS demand is selected to satisfy all QoS demands; When not satisfying the service transmission link of all QoS demands, the service transmission link of selecting to satisfy the high QoS demand of priority transmits said business;
Wherein, said acquisition unit comprises:
Compare subelement, the said QoS actual value that is used for every service transmission link is provided is compared with corresponding QoS requirements;
First confirms subelement; Be used for when the QoS demand belongs to not stackable type; When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
Second confirms subelement; Be used for when the QoS demand belongs to stackable type; When the said QoS actual value that provides when any service transmission link satisfies corresponding QoS requirements, confirm that said service transmission link is the service transmission link that satisfies said QoS demand;
The 3rd confirms subelement; Be used for when the QoS demand belongs to stackable type; When the said QoS actual value that provides when any service transmission link does not satisfy corresponding QoS demand limit; The said QoS actual value that the other service transmission link that superposes provides satisfies corresponding QoS requirements until the summation of the said QoS actual value that many service transmission links provide, and confirms that said many service transmission links are the service transmission link that satisfies said QoS demand.
4. device as claimed in claim 3 is characterized in that, said selected cell comprises:
The first common factor subelement is used for first service transmission link set that the service transmission link that satisfies said not stackable each QoS demand of type is sought common ground and is met not stackable all QoS demands of type;
The second common factor subelement is used for second service transmission link set that the set with the service transmission link that satisfies said each QoS demand of stackable type seeks common ground and is met all QoS demands of stackable type;
The 3rd common factor subelement, being used for the set of said first service transmission link sought common ground with the set of second service transmission link is met the service transmission link of all QoS demands;
The first chooser unit is used to select the said service transmission link that satisfies all QoS demands to transmit said business.
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| CN101287270B true CN101287270B (en) | 2012-06-06 |
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| CN101499975B (en) * | 2009-02-27 | 2012-01-04 | 中国人民解放军信息工程大学 | Method and system for implementing packet switch network service transmission QoS guarantee |
| CN105142151B (en) * | 2014-05-27 | 2019-04-05 | 华为技术有限公司 | A kind of method communicated in collecting system, equipment and system |
| CN107846359A (en) * | 2016-09-20 | 2018-03-27 | 深圳市盛路物联通讯技术有限公司 | A kind of data automatic routing method and repeater based on repeater |
| CN111246033B (en) * | 2020-01-08 | 2021-08-24 | 腾讯科技（深圳）有限公司 | Data transmission method, device, equipment and readable storage medium |
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| CN1918937A (en) * | 2004-02-03 | 2007-02-21 | 诺基亚公司 | Method and apparatus for providing end-to-end quality of service |
| CN101138268A (en) * | 2005-03-07 | 2008-03-05 | Lg电子株式会社 | Providing mobility management protocol information to a mobile terminal for performing handover in a mobile communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918937A (en) * | 2004-02-03 | 2007-02-21 | 诺基亚公司 | Method and apparatus for providing end-to-end quality of service |
| CN101138268A (en) * | 2005-03-07 | 2008-03-05 | Lg电子株式会社 | Providing mobility management protocol information to a mobile terminal for performing handover in a mobile communication system |
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