CN102938906B - The performance of voice and packet data concurrent service improves method and mobile communication system - Google Patents
The performance of voice and packet data concurrent service improves method and mobile communication system Download PDFInfo
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- CN102938906B CN102938906B CN201110234083.7A CN201110234083A CN102938906B CN 102938906 B CN102938906 B CN 102938906B CN 201110234083 A CN201110234083 A CN 201110234083A CN 102938906 B CN102938906 B CN 102938906B
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Abstract
The present invention relates to a kind of voice and packet data concurrent service control method and mobile communication system, the method includes: radio network controller transmission rate upper limit threshold is to node B, described rate-limit threshold value includes block domain data service downstream rate upper limit threshold when speech business and packet switch domain service are concurrent, or, including speech business and packet switch domain service concurrent time block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold；Rate-limit threshold value described in described Node-B receiver, when speech business and packet switch domain service are concurrent, controls the speed of block domain data of transmission less than described rate-limit threshold value.The present invention by arrange speech business and packet switch domain service concurrent time block domain data service downstream rate upper limit threshold can ensure block domain data service handling capacity on the premise of, it is ensured that the quality of experience of voice service.
Description
Technical field
The service feature that the present invention relates to a kind of radio honeycomb communication system improves method, particularly relates to WCDMA
(WCDMA) performance of the voice and packet data concurrent service of mobile communication system improves method.
Background technology
The R99 standard agreement of WCDMA mobile communication system is supplied to the flank speed of user and is generally 384kbps, focus
Area can provide the speed of 2Mbps.From the supported dedicated channel (dedicated for transmitting grouped data of R99
Channel:DCH) and from the point of view of the performance of DSCH Downlink Shared Channel (downlink shared channel:DSCH), for usually
For the user in district, the function of the transmission Packet Service that R99 standard agreement provides has been able to meet the demand of user, but with
The increase of Packet Service user and the demand to high speed packet service, the rate bandwidth that R99 provides can not meet focus
The demand of area user；Therefore R5 standard agreement introduces high speed downlink packet access technology (HSDPA), namely introduces one
High-speed packet shares transmission channel (High Speed Downlink Shared Channel:HS-DSCH), when this channel uses
Divide and code division mode, and this channel have employed mixed automatic retransfer (HARQ) and Adaptive Modulation and Coding (AMC) technology so that peak
Value speed is up to 14Mbps.R6 standard agreement is also introduced into high-speed uplink packet access technique (HSUPA) to up, namely introduces
Strengthening transmission channel (Enhanced dedicated Channel:E-DCH), this channel have employed mixed automatic retransfer equally
(HARQ) so that peak rate can reach 5.76Mbps.Along with the evolution of agreement, HSDPA and HSUPA applies higher order modulation
Mode, MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) technology and multi-carrier frequency are used in combination
Technology, its final purpose be by provide to high speed packet service access increase system capacity and reduce transmission delay with
Improve user's requirement to service quality (Qos).
Broadband CDMA system also has support operation speech and the ability of Packet data service, Ye Jiyi simultaneously simultaneously
Individual user can allow to keep the calling of multiple business simultaneously, is included in while making a phone call, it is also possible to carry out data industry simultaneously
The operation (browsing webpage, download etc. business) of business.But when voice service and block domain data service are concurrent, go out sometimes
The problem that existing speech business goes offline or speech quality declines, causes the speech business of user to be experienced and declines.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of voice and packet data concurrent service control method and mobile communication system, to solve
Speech business and the packet switch domain service problem that time concurrent, decline is experienced in speech business.
For solving above technical problem, the present invention provides a kind of voice and packet data concurrent service control method, and the method includes:
Radio network controller transmission rate upper limit threshold to node B, described rate-limit threshold value include speech business and
Block domain data service downstream rate upper limit threshold when packet switch domain service is concurrent, or, including speech business and packet switch domain service also
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold when sending out；
Rate-limit threshold value described in described Node-B receiver, when speech business and packet switch domain service are concurrent, controls transmission
The speed of block domain data is less than described rate-limit threshold value.
Further, the block domain data that described radio network controller sends according to described rate-limit threshold value control is not
Exceed described rate-limit threshold value.
Further, after described radio network controller sends the described rate-limit threshold value step to node B, the party
Method also includes:
Described radio network controller sends described upstream rate upper limit threshold to described UE；
Described UE receives described upstream rate upper limit threshold, when speech business and packet switch domain service are concurrent, controls to send
The speed of block domain data less than described rate-limit threshold value.
Further, after described radio network controller sends the described rate-limit threshold value step to node B, the party
Method also includes:
Described radio network controller sends minimal frequency spreading factor corresponding to described upstream rate upper limit threshold to described UE；
Described UE receives described minimal frequency spreading factor, when speech business and packet switch domain service are concurrent, controls dividing of transmission
The speed of group numeric field data is less than the upstream rate upper limit threshold that described minimal frequency spreading factor is corresponding.
Further, described rate-limit threshold value is pre-configured with.
For solving above technical problem, present invention also offers a kind of mobile communication system, this system includes:
The threshold value sending module of radio network controller, for transmission rate upper limit threshold to node B, described rate-limit
Threshold value includes block domain data service downstream rate upper limit threshold when speech business and packet switch domain service are concurrent, or, including voice
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold when business and packet switch domain service are concurrent；
The threshold value receiver module of described node B, is used for receiving described rate-limit threshold value；
The Rate control module of described node B, for when speech business and packet switch domain service are concurrent, controls dividing of transmission
The speed of group numeric field data is less than described rate-limit threshold value.
The inventive method and system by arrange speech business and packet switch domain service concurrent time block domain data service descending
Rate-limit threshold value, and notify node B so that node B can be according to this downstream rate upper limit threshold to descending packet domain number
According to speed control effectively, thus ensure block domain data service handling capacity on the premise of, it is ensured that voice service
Quality of experience.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of voice and packet data concurrent service control method embodiment 1 of the present invention；
Fig. 2 is the schematic diagram of voice and packet data concurrent service control method embodiment 2 of the present invention；
Fig. 3 is the schematic diagram of voice and packet data concurrent service control method embodiment 3 of the present invention；
Fig. 4 is the schematic diagram of voice and packet data concurrent service control method embodiment 4 of the present invention；
Fig. 5 is the schematic diagram of voice and packet data concurrent service control method embodiment 5 of the present invention；
Fig. 6 is the modular structure schematic diagram of radio network controller of the present invention.
Detailed description of the invention
When voice service and block domain data service are concurrent, owing to throughput is the highest, then its merit consumed
Rate resource is the highest, and the interference to system is the biggest, and the probability of power limited is the highest, thus causes the general of voice and packet data concurrent service call drop
Rate increases, and the speech quality of user is experienced and declined the most therewith.In order to take into account when voice service and block domain data service are concurrent
The quality of experience of voice service, takes into account the part throughput demand of block domain data service, corresponding solution given below simultaneously
Scheme.
The present invention program is mainly for the concurrent situation of speech business and packet switch domain service, the inventive method and the master of system
Want the thought to be, arrange speech business and packet switch domain service concurrent time block domain data service downstream rate upper limit threshold, and notify
To node B so that the speed of descending block domain data effectively can be controlled by node B according to this downstream rate upper limit threshold
System, thus on the premise of the handling capacity ensureing block domain data service, it is ensured that the quality of experience of voice service.
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.It should be noted that do not conflicting
In the case of, the embodiment in the application and the feature in embodiment can be mutually combined.
Embodiment 1
As it is shown in figure 1, voice and packet data concurrent service control method embodiment 1 of the present invention includes:
Step 101: radio network controller transmission rate upper limit threshold includes language to node B, described rate-limit threshold value
Block domain data service downstream rate upper limit threshold when sound business and packet switch domain service are concurrent, or, including speech business and packet
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold during the service concurrence of territory；
Voice service and packet domain number service concurrence include following two situation:
Situation 1: voice service first calls through, calls through packet domain number business the most again；
Situation 2: packet domain number business first calls through, and calls through speech business the most again.
The channel bearing type combination that voice service and packet domain number business are distributed can be following any one:
(1) voice service: downlink bearing, on DCH, up is carried on DCH；Data field packet switch domain service: downlink bearing
On the hs-dsch, up carrying is on e-dch；
(2) voice service: on the hs-dsch, up carrying is on e-dch for downlink bearing；Data field packet switch domain service: under
On the hs-dsch, up carrying is on e-dch in row carrying；
(3) voice service: downlink bearing on the hs-dsch, up is carried on DCH；Data field packet switch domain service: descending
On the hs-dsch, up carrying is on e-dch in carrying.
But the downstream rate with regard to block domain data is controlled improving the quality of experience of downlink voice business, preferably
Ground, can be controlled the uplink and downlink speed of block domain data, to improve the up and mass body of down voice business
Test.
It should be noted that in the present invention, not specified rate-limit threshold value can but refer to downstream rate threshold value,
Up and downstream rate threshold value can also be referred to simultaneously.
The rate-limit of block domain data service is can be pre-configured with or dynamically adjust according to corresponding resource utilization
, and this rate-limit distinguished downlink and uplink and has been respectively configured.
For radio network controller and node B, downstream rate threshold value is identical
For node B and UE, upstream rate threshold value is identical.
Step 102: rate-limit threshold value described in described Node-B receiver, when speech business and packet switch domain service are concurrent, control
The speed of the block domain data that system sends is less than described rate-limit threshold value.
Usually, block domain data service downlink bearing, on HS-DSCH channel, up is carried on E-DCH channel, right
The block domain data service being carried on HS-DSCH channel and E-DCH channel carries out rate controlled, namely block domain data service
Speed not can exceed that rate-limit.
Preferably, described radio network controller can also control the packet of transmission according to described downstream rate upper limit threshold
Numeric field data is less than described downstream rate upper limit threshold.Understandably, it is with step 01,02 without sequencing restriction.
Control to realize the upstream rate of UE, two ways given below:
Mode one:
Before or after described radio network controller sends the described rate-limit threshold value step to node B, the method
Also include:
Described radio network controller sends described upstream rate upper limit threshold to described UE；
Described UE receives described upstream rate upper limit threshold, when speech business and packet switch domain service are concurrent, controls to send
The speed of block domain data less than described rate-limit threshold value.
Mode two:
Described radio network controller sends minimal frequency spreading factor corresponding to described upstream rate upper limit threshold to described UE；
Described UE receives described minimal frequency spreading factor, when speech business and packet switch domain service are concurrent, controls dividing of transmission
The speed of group numeric field data is less than the upstream rate upper limit threshold that described minimal frequency spreading factor is corresponding.
Method of rate control for HS-DSCH channel has following several but does not limits to:
Radio network controller controls when being sent to the flow of node B less than pre-configured rate-limit；
The flow that node B controls when carrying out flow scheduling to send on HS-DSCH channel is less than in pre-configured speed
Limit；
Method of rate control for E-DCH channel has following several but does not limits to:
Node B controls subscriber equipment (User Equipment:UE) less than pre-configured when being scheduling authorized appropriation
Rate-limit；
Radio network controller notice its block domain data service of UE is in the transmissible rate-limit of E-DCH.
If voice service release, then release because and the speed control of block domain data service that concurrently brought of speech
System.
Generally for taking into account the high-throughput of packet domain, the upper and lower provisional capital of voice service uses dedicated channel (Dedicated
Channel:DCH), and data service descending employing HS-DSCH channel, up employing E-DCH channel, with thinking block domain data
High-throughput is provided.
Enforcement to technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment 2
The embodiment 2 of voice and packet data concurrent service control method of the present invention, as shown in Figure 2:
Be pre-configured with voice service and block domain data service concurrent time block domain data rate-limit (distinguish descending
It is respectively configured with up): Downlink PS-Rate Threshold and Uplink PS-Rate Threshold.
Step 110: subscriber equipment has called through voice service, radio network controller is that it is assigned with following channel bearing:
Descending DCH channel, uplink DCH channel；
Step 120: subscriber equipment has called through again block domain data service, wireless network control radio network controller is for dividing
Group domain data service is assigned with following channel bearing: descending HS-DSCH channel, up E-DCH channel；
Step 130: transmissible maximum rate on radio network controller notice node B HS-DSCH channel
Maximum rate (the Uplink PS-Rate of carrying on (Downlink PS-Rate Threshold) and E-DCH
Threshold), the data rate and sent on its HS-DSCH not can exceed that Downlink PS-Rate Threshold；
Step 140: transmissible maximum rate on radio network controller notice UE E-DCH；
Step 150: during this UE of node B scheduling, the data rate that its HS-DSCH sends not can exceed that Downlink PS-
Rate Threshold；
Step 160: node B to this UE distribute uplink authorization time, the data that node B UE to be considered sends on e-dch
Speed not can exceed that Uplink PS-Rate Threshold；
When step 170:UE sends upstream data on E-DCH channel, its data rate sent not can exceed that Uplink
PS-Rate Threshold。
Embodiment 3
The embodiment 3 of voice and packet data concurrent service control method of the present invention, as shown in Figure 3.
Be pre-configured with voice service and block domain data service concurrent time block domain data rate-limit (distinguish descending
It is respectively configured with up): Downlink PS-Rate Threshold and Uplink PS-Rate Threshold.
Step 210: subscriber equipment has called through voice service, radio network controller is that it is assigned with following channel bearing:
Descending HS-DSCH channel, up E-DCH channel；
Step 220: subscriber equipment has called through again block domain data service, wireless network control radio network controller is for dividing
Group domain data service is assigned with following channel bearing: descending HS-DSCH channel, up E-DCH channel.
Step 230: radio network controller notice node B business transmissible maximum rate on HS-DSCH channel
Maximum rate (the Uplink PS-Rate that (Downlink PS-Rate Threshold) and business carry on e-dch
Threshold) data rate sent on its HS-DSCH not can exceed that Downlink PS-Rate Threshold；
Step 240: transmissible maximum rate (Uplink PS-Rate on radio network controller notice UE E-DCH
Threshold)。
Step 250: during this UE of node B scheduling, the data rate that its HS-DSCH sends not can exceed that Downlink PS-
Rate Threshold.
Step 260: node B is when distributing uplink authorization to this UE, and it to consider its data rate sent on e-dch
Not can exceed that Uplink PS-Rate Threshold
When step 270:UE sends upstream data on E-DCH channel, its data rate sent not can exceed that Uplink
PS-Rate Threshold。
Embodiment 4
The embodiment 4 of voice and packet data concurrent service control method of the present invention, as shown in Figure 4.
Be pre-configured with voice service and block domain data service concurrent time block domain data rate-limit (distinguish descending
It is respectively configured with up): Downlink PS-Rate Threshold and Uplink PS-Rate Threshold.
Step 310: subscriber equipment has called through voice service, radio network controller is that it is assigned with following channel bearing:
Descending HS-DSCH channel, uplink DCH channel；
Step 320: subscriber equipment has called through again block domain data service, wireless network control radio network controller is for dividing
Group domain data service is assigned with following channel bearing: descending HS-DSCH channel, up E-DCH channel；
Step 330: on radio network controller notice node B HS-DSCH channel, block domain data service is transmissible
The maximum rate that big speed (Downlink PS-Rate Threshold) and block domain data service carry on e-dch
(Uplink PS-Rate Threshold), the data rate that its HS-DSCH sends not can exceed that Downlink PS-Rate
Threshold；
Step 340: the minimal frequency spreading factor that radio network controller notice UE E-DCH is used, this minimal frequency spreading factor
It is calculated by Uplink PS-Rate Threshold；
Step 350: during this UE of node B scheduling, the data rate that its HS-DSCH sends not can exceed that Downlink PS-
Rate Threshold；
Step 360: node B is when distributing uplink authorization to this UE, and it to consider its data rate sent on e-dch
Not can exceed that Uplink PS-Rate Threshold；
When step 370:UE sends upstream data on E-DCH channel, its data rate sent not can exceed that minimum expansion
Frequently the Uplink PS-Rate Threshold that factor pair is answered.
Embodiment 5
The embodiment 5 of voice and packet data concurrent service control method of the present invention is as shown in Figure 5:
Be pre-configured with voice service and block domain data service concurrent time block domain data rate-limit (distinguish descending
It is respectively configured with up): Downlink PS-Rate Threshold and Uplink PS-Rate Threshold.
Step 410: subscriber equipment has called through block domain data service, wireless network control radio network controller is packet
Domain data service is assigned with following channel bearing: descending HS-DSCH channel, up E-DCH channel；
Step 420: subscriber equipment has called through voice service, radio network controller is that it is assigned with following channel bearing:
Descending DCH channel, uplink DCH channel；
Step 430: on radio network controller notice node B HS-DSCH channel, block domain data service is transmissible
The maximum rate that big speed (Downlink PS-Rate Threshold) and block domain data service carry on e-dch
(Uplink PS-Rate Threshold)；
Step 440: the minimal frequency spreading factor that radio network controller notice UE E-DCH is used, this minimal frequency spreading factor
It is calculated by Uplink PS-Rate Threshold；
Step 450: during this UE of node B scheduling, the data rate that its HS-DSCH sends not can exceed that Downlink PS-
Rate Threshold；
Step 460: node B is when distributing uplink authorization to this UE, and it to consider its data rate sent on e-dch
Not can exceed that Uplink PS-Rate Threshold.
When step 470:UE sends upstream data on E-DCH channel, its data rate sent not can exceed that Uplink
PS-Rate Threshold。
In order to realize above method, present invention also offers a kind of mobile communication system, especially relevantly with the present invention, as
Shown in Fig. 6, this system includes:
The threshold value sending module of radio network controller, for transmission rate upper limit threshold to node B, described rate-limit
Threshold value includes block domain data service downstream rate upper limit threshold when speech business and packet switch domain service are concurrent, or, including voice
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold when business and packet switch domain service are concurrent；
Described rate-limit threshold value is pre-configured with.
The threshold value receiver module of described node B, is used for receiving described rate-limit threshold value；
The Rate control module of described node B, for when speech business and packet switch domain service are concurrent, controls dividing of transmission
The speed of group numeric field data is less than described rate-limit threshold value.
Further, the threshold value sending module of described radio network controller, it is additionally operable to send the described upstream rate upper limit
Threshold value is to subscriber equipment (UE)；
Described system also includes:
The threshold value receiver module of described UE, is used for receiving described upstream rate upper limit threshold；
The Rate control module of described UE, for when speech business and packet switch domain service are concurrent, controls the up of transmission
The speed of block domain data is less than described rate-limit threshold value.
Alternatively,
The threshold value sending module of described radio network controller, is additionally operable to send described upstream rate upper limit threshold corresponding
Minimal frequency spreading factor gives described UE；
Described system also includes:
The threshold value receiver module of described UE, is used for receiving described minimal frequency spreading factor；
The Rate control module of described UE, for when speech business and packet switch domain service are concurrent, controls the up of transmission
The rate-limit threshold value that the speed of block domain data is corresponding less than described minimal frequency spreading factor.
Preferably, described system also includes the Rate control module of described radio network controller, in speech business
Time concurrent with packet switch domain service, control the speed of block domain data of transmission less than described rate-limit threshold value.
Voice and packet data concurrent service control method of the present invention and system are by limiting packet switch domain service on HS-DSCH and E-DCH channel
Speed, the problem of the voice service Quality Down occurred when solving voice service and block domain data service, improve use
The voice service at family is experienced.
One of ordinary skill in the art will appreciate that all or part of step in said method can be instructed by program
Related hardware completes, and described program can be stored in computer-readable recording medium, such as read only memory, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also use one or more integrated circuit to realize.Accordingly
Ground, each module in above-described embodiment can realize to use the form of hardware, it would however also be possible to employ the form of software function module is real
Existing.The present invention is not restricted to the combination of the hardware and software of any particular form.
Claims (10)
1. a voice and packet data concurrent service control method, it is characterised in that the method includes:
Radio network controller transmission rate upper limit threshold includes speech business and packet to node B, described rate-limit threshold value
Block domain data service downstream rate upper limit threshold during the service concurrence of territory, or, including speech business and packet switch domain service concurrent time
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold；
Rate-limit threshold value described in described Node-B receiver, when speech business and packet switch domain service are concurrent, controls the packet sent
The speed of numeric field data is less than described rate-limit threshold value.
2. the method for claim 1, it is characterised in that: described radio network controller is according to described rate-limit threshold value
The block domain data controlling to send is less than described rate-limit threshold value.
3. the method for claim 1, it is characterised in that: described radio network controller sends described rate-limit threshold value
After step to node B, the method also includes:
Described radio network controller sends described upstream rate upper limit threshold to user equipment (UE)；
Described UE receives described upstream rate upper limit threshold, when speech business and packet switch domain service are concurrent, controls dividing of transmission
The speed of group numeric field data is less than described rate-limit threshold value.
4. the method for claim 1, it is characterised in that described radio network controller sends described rate-limit threshold value
After step to node B, the method also includes:
Described radio network controller sends minimal frequency spreading factor corresponding to described upstream rate upper limit threshold to user equipment (UE)；
Described UE receives described minimal frequency spreading factor, when speech business and packet switch domain service are concurrent, controls the packet domain sent
The upstream rate upper limit threshold that the speed of data is corresponding less than described minimal frequency spreading factor.
5. the method as according to any one of Claims 1-4, it is characterised in that: described rate-limit threshold value is to be pre-configured with
's.
6. a mobile communication system, it is characterised in that this system includes:
The threshold value sending module of radio network controller, for transmission rate upper limit threshold to node B, described rate-limit threshold value
Including speech business and packet switch domain service concurrent time block domain data service downstream rate upper limit threshold, or, including speech business
Block domain data service upstream rate upper limit threshold and downstream rate upper limit threshold time concurrent with packet switch domain service；
The threshold value receiver module of described node B, is used for receiving described rate-limit threshold value；
The Rate control module of described node B, for when speech business and packet switch domain service are concurrent, controls the packet domain sent
The speed of data is less than described rate-limit threshold value.
7. system as claimed in claim 6, it is characterised in that:
The threshold value sending module of described radio network controller, is additionally operable to send described upstream rate upper limit threshold to subscriber equipment
UE；
Described system also includes:
The threshold value receiver module of described UE, is used for receiving described upstream rate upper limit threshold；
The Rate control module of described UE, for when speech business and packet switch domain service are concurrent, controls the upstream packet sent
The speed of numeric field data is less than described rate-limit threshold value.
8. system as claimed in claim 6, it is characterised in that:
The threshold value sending module of described radio network controller, is additionally operable to send the minimum that described upstream rate upper limit threshold is corresponding
Spreading factor is to user equipment (UE)；
Described system also includes:
The threshold value receiver module of described UE, is used for receiving described minimal frequency spreading factor；
The Rate control module of described UE, for when speech business and packet switch domain service are concurrent, controls the upstream packet sent
The rate-limit threshold value that the speed of numeric field data is corresponding less than described minimal frequency spreading factor.
9. system as claimed in claim 6, it is characterised in that described system also includes the speed of described radio network controller
Control module, for when speech business and packet switch domain service are concurrent, controls the speed of block domain data of transmission less than institute
State rate-limit threshold value.
10. the system as according to any one of claim 6 to 9, it is characterised in that: described rate-limit threshold value is to be pre-configured with
's.
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| CN108235804B (en) * | 2017-12-27 | 2021-12-31 | 达闼机器人有限公司 | Network speed limiting method and device and server |
| CN110011753B (en) * | 2018-01-05 | 2021-11-19 | 中国移动通信有限公司研究院 | Service processing method, transceiving equipment and computer readable storage medium |
| CN111491290B (en) * | 2020-04-14 | 2021-06-29 | 深圳市沃特沃德股份有限公司 | Method, device and computer equipment for parallel transmission of network voice and PS domain data |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005039650A (en) * | 2003-07-17 | 2005-02-10 | Nec Corp | Mobile communication system and its resource managing method |
| CN101772169A (en) * | 2008-12-30 | 2010-07-07 | 中国移动通信集团公司 | Method for controlling service volume of enterprise wireless information gateway, device and system therefor |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005039650A (en) * | 2003-07-17 | 2005-02-10 | Nec Corp | Mobile communication system and its resource managing method |
| CN101772169A (en) * | 2008-12-30 | 2010-07-07 | 中国移动通信集团公司 | Method for controlling service volume of enterprise wireless information gateway, device and system therefor |
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