CN101420262A - Transmission rate controlling method, wireless network controller and user equipment - Google Patents
Transmission rate controlling method, wireless network controller and user equipment Download PDFInfo
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Abstract
本发明公开了一种传输速率控制方法及无线网络控制器以及用户设备，用于提高高速上行业务的传输速率控制的精确性。本发明方法包括：接收无线网络控制器RNC发送的传输速率控制请求，所述传输速率控制请求中包含逻辑信道标识以及协议数据单元最大数目；在所述逻辑信道标识对应的逻辑信道上，根据所述协议数据单元最大数目对在预置的传输时间间隔内的数据传输速率进行控制。本发明还提供一种无线网络控制器以及用户设备。本发明可以有效地提高高速上行业务的传输速率控制的精确性。
The invention discloses a transmission rate control method, a wireless network controller and user equipment, which are used for improving the accuracy of transmission rate control of high-speed uplink services. The method of the present invention includes: receiving a transmission rate control request sent by a radio network controller RNC, wherein the transmission rate control request includes a logical channel identifier and a maximum number of protocol data units; on the logical channel corresponding to the logical channel identifier, according to the The above maximum number of PDUs controls the data transmission rate within the preset transmission time interval. The invention also provides a radio network controller and user equipment. The invention can effectively improve the accuracy of the transmission rate control of the high-speed uplink service.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of transmission rate control and radio network controller and subscriber equipment.
Background technology
Insert (WCDMA, Wideband Code Divided Multi-Access) system for the Wideband Code Division Multiple Access (WCDMA) based on Release99 or Release4, the up-downgoing Capacity Ratio of bearer service is more limited, is no more than 2Mbps in theory.The actual throughput rates of unique user is lower, and the peak transfer rate that allows is 384Kbps usually, and the actual transmission rate of using does not often reach so high speed, and this exists obviously not enough concerning the service that high-speed data service is provided.
The main purpose of third generation mobile provides bigger transmission bandwidth, be user's transmitting high speed multimedia service, therefore in order further to improve the availability of frequency spectrum, in follow-up mechanics of communication, introduced high-speed downlink packet access (HSDPA, High Speed Downlink Packet Access) technology and High Speed Uplink Packet insert (HSUPA, High Speed Uplink Packet Access) technology
After introducing HSUPA, user's upstream rate is compared with Release99 and is greatly improved, but because subscriber equipment (UE, User Equipment) side may send data according to maximum capacity under the current power permission, even can surpass core net (CN, Core Network) the fixed speed of lateral confinement, thereby trigger CN effluent control operation and carry out speed limit, service rate temporarily descends, because current power resource of eating dishes without rice or wine does not have limited, the message transmission rate lifting once more that UE is follow-up, in the CN side speed limit takes place again then, and because the speed limit operation time delay between CN and the UE is very big, it is just very unstable that observe professional speed from the UTRAN side this moment, thereby influence user's impression, therefore need carry out the speed limit operation the HSUPA business that the user uses.
A kind of HSUPA service transmission rate control method is in the prior art:
Radio network controller (RNC, Radio Network Controller) in the Radio Link foundation/wireless link reconfigured preparation message that the base station sends, carries Maximum Bit Rate (MBR, Maximum BitRate) information, be used to indicate current enhancing special uplink channel (E-DCH, Enhanced uplink DedicatedCHannel) maximum rate of media interviews controlled entity (MAC-E) layer on the channel, the peak transfer rate when promptly UE carries out HSUPA.
Concrete MBR information can be to insert a cell " E-DCH Maximum Bitrate ", and value type is the argument of type integer greater than 0.
But because may there be a plurality of HSUPA business in the UE side on the E-DCH channel, technical scheme of the prior art can only be controlled the message transmission rate on the whole E-DCH, and can not the transmission rate of certain specific HSUPA business be controlled, so influenced the accuracy of the transmission rate control of HSUPA business.
Summary of the invention
The embodiment of the invention provides a kind of transmission rate control and radio network controller and subscriber equipment, can improve the accuracy of the transmission rate control of high speed uplink business.
The transmission rate control that the embodiment of the invention provides comprises: receive the transmission rate control request that radio network controller (RNC) sends, comprise Logic Channel Identifier and protocol Data Unit maximum number in the described transmission rate control request; On the logic channel of described Logic Channel Identifier correspondence, the message transmission rate in the Transmission Time Interval that presets is controlled according to described protocol Data Unit maximum number.
The radio network controller that the embodiment of the invention provides, comprise: first receiving element, be used to receive the RAB foundation request that core net sends, described RAB is set up in the request and is comprised business information, professional peak transfer rate and service transferring mode that core net is assigned; Allocation units, being used for according to described business information is described traffic assignments Logic Channel Identifier; The scheduling verification unit is used for judging according to described service transferring mode whether described business adopts scheduling mode; Data processing unit, be used for when business is taked scheduling mode, according to described professional peak transfer rate, Transmission Time Interval that presets and the protocol Data Unit size that presets calculate the protocol Data Unit maximum number, and described Logic Channel Identifier and described protocol Data Unit maximum number are inserted in the radio bearer foundation request; Request transmitting unit is used for the request of setting up of described radio bearer is sent to subscriber equipment.
The subscriber equipment that the embodiment of the invention provides comprises: second receiving element, be used to receive the transmission rate control request that radio network controller (RNC) sends, and comprise Logic Channel Identifier and protocol Data Unit maximum number in the described transmission rate control request; The rate controlled unit is used for the logic channel in described Logic Channel Identifier correspondence, according to described protocol Data Unit maximum number the message transmission rate in the Transmission Time Interval that presets is controlled.
As can be seen from the above technical solutions, the embodiment of the invention has the following advantages:
In the embodiment of the invention, comprise Logic Channel Identifier and protocol Data Unit (PDU because UE receives that RNC sends, Protocol Data Unit) the transmission rate control request of maximum number, and on the logic channel of described Logic Channel Identifier correspondence, according to the PDU maximum number message transmission rate in the Transmission Time Interval that presets is controlled, and professional all corresponding different logic channel of each high speed uplink in the practical application, so UE can distinguish different high speed uplink business, can carry out transmission rate control at specific high speed uplink business, thereby improve the accuracy of the transmission rate control of high speed uplink business.
Description of drawings
Fig. 1 is the transmission rate control first embodiment flow chart in the embodiment of the invention;
Fig. 2 is the transmission rate control second embodiment flow chart in the embodiment of the invention;
Fig. 3 is a radio network controller embodiment schematic diagram in the embodiment of the invention;
Fig. 4 is a subscriber equipment embodiment schematic diagram in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of transmission rate control and radio network controller and subscriber equipment, is used to improve the accuracy of the transmission rate control of high speed uplink business.
In the embodiment of the invention, after UE receives the transmission rate control request that comprises Logic Channel Identifier and PDU maximum number of RNC transmission, on the logic channel of Logic Channel Identifier correspondence, according to the PDU maximum number message transmission rate in the Transmission Time Interval that presets is controlled, and professional all corresponding different logic channel of each high speed uplink in the practical application, so UE can distinguish different high speed uplink business, can carry out transmission rate control at specific high speed uplink business, thereby improved the accuracy of the transmission rate control of high speed uplink business, all describe as the example of high speed uplink business in the following examples with HSUPA, being understandable that, can be the high speed uplink business of other types equally.
See also Fig. 1, transmission rate control first embodiment comprises in the embodiment of the invention:
101, receive the transmission rate control request that RNC sends;
Wherein, UE receives the transmission rate control request that RNC sends, and includes HSUPA professional corresponding Logic Channel Identifier and PDU maximum number in this request at least, is understandable that, according to the difference of practical application, can also comprise other parameter.
In the present embodiment, concrete transmission rate control request does not limit, according to the residing operation flow of user can be the request message of various correspondences, for example in loading establishing process, this transmission rate control request can be that radio bearer is set up request, in business processing flow, this transmission rate control request can be the Business Processing request, be understandable that, can be other message in other flow processs equally, as long as can carry HSUPA professional corresponding Logic Channel Identifier and PDU maximum number, be sent to UE and get final product.
102, determine corresponding logic channel according to the Logic Channel Identifier in the request;
UE determines the professional corresponding logic channel of this HSUPA according to the Logic Channel Identifier that receives.
103, on this logic channel, transmission rate is controlled.
In the present embodiment, UE controls the message transmission rate in the Transmission Time Interval that presets (TTI, Transmission Time Interval) according to the PDU maximum number in the transmission rate control request.
Be that example is elaborated to the embodiment of the invention below with the loading establishing process, then the transmission rate control request can be set up request for radio bearer.
See also Fig. 2, transmission rate control second embodiment comprises in the embodiment of the invention:
201, RNC receives the RAB foundation request that core net sends;
In the present embodiment, when the user will carry out the HSUPA business with core net, RNC receives the RAB foundation request that core net sends, include the HSUPA business information in this request, information such as professional peak transfer rate that core net is assigned and service transferring mode, wherein, the HSUPA business information comprises information such as service identification that this is professional and business tine, professional peak transfer rate is represented the transmission rate of UE maximum when carrying out this HSUPA business, and service transferring mode represents whether this business adopts the scheduling mode transmission.
202, RNC is the traffic assignments Logic Channel Identifier;
RNC is Logic Channel Identifier of this HSUPA traffic assignments according to the business information that receives, be used to indicate this HSUPA business on this logic channel, to transmit, concrete allocation algorithm can adopt multiple mode, for example selects the logic channel of corresponding mass according to the priority of business.
203, judge whether this business adopts scheduling mode, if then execution in step 204, if not, then execution in step 205;
Particularly, RNC judges according to the indicated information of service transferring mode that receives whether current HSUPA business adopts scheduling mode.
204, calculate the PDU maximum number;
If the professional scheduling mode that adopts of current HSUPA, then RNC needs to calculate the PDU maximum number according to the professional peak transfer rate that core net is assigned, and concrete computational methods are:
With the product of professional peak transfer rate and the TTI that presets transmitted data amount as maximum in the Transmission Time Interval that presets;
With the ratio of transmitted data amount maximum in the Transmission Time Interval that presets and the PDU size that presets as the PDU maximum number.
Need to prove that in the present embodiment, system is provided with a specific TTI when business is set up, the TTI of present embodiment and following each embodiment indication all can be counted as a unit interval.
In the present embodiment, before carrying out loading establishing process, the RNC side can be selected the size at certain professional employed specific PDU.Illustrate computational process, suppose that professional peak transfer rate is 100Kbit/s, the TTI that presets is 0.1s, then maximum transmitted data amount is (100Kbit/s) * 0.1s in this TTI, be 10Kbit, suppose that RNC is that the current professional selected PDU size of HSUPA is 1Kbit, then allowing the maximum number of the PDU of transmission in this TTI is 10Kbit/1Kbit, promptly 10, then calculating and allow the maximum number of the PDU of transmission in this TTI is 10.
Be understandable that, if the maximum number of the PDU that finally calculates is not integer, then get one near result of calculation and be not more than the maximum number of the integer of result of calculation, for example as PDU, suppose that the PDU maximum number of calculating is 10.2, then getting the PDU maximum number is 10.
205, carry out conventional process flow;
If current HSUPA business is not to adopt scheduling mode, then do not need to calculate the PDU maximum number, carry out next step flow process and directly adopt with the similar mode of prior art, concrete mode repeats no more.
206, insert PDU maximum number and Logic Channel Identifier;
After RNC obtains PDU maximum number and Logic Channel Identifier, these two parameters need be inserted radio bearer and set up in the request.
The mode of inserting concrete in the present embodiment is: in radio bearer map information (the RB mapping info) cell structure in idle message radio bearer foundation request E-DCH is expanded, increase a particular cell, be used to represent the PDU maximum number, and Logic Channel Identifier inserted corresponding cell, concrete related cells is as shown in the table:
Table 1
| Information element | Whether necessary | Type | Describe | Version |
| E-DCH | REL-6 | |||
| Logical?channel identity | Be | Integer(1...15) | The logic channel that identification service uses | REL-6 |
| RLC?PDU?size | Be | Integer(16...5000) | The size of the PDU of appointment | REL-6 |
| RLC?PDU?Max number | Optional | Integer(1...7200) | The PDU maximum number | REL-6 |
| Include?in Scheduling information | Be | Boolean type | Whether adopt scheduling mode | REL-6 |
As can be seen from the above table, in radio bearer map information cell, include PDU maximum number and Logic Channel Identifier.
207～208, RNC is sent to UE with the radio bearer request of setting up that step 206 generates.
In the present embodiment, UE can receive the radio bearer foundation request that comprises PDU maximum number and Logic Channel Identifier that RNC sends by the base station.
209, judge whether the PDU maximum number is legal, if legal, then execution in step 210, if illegal, then execution in step 211;
When the professional employing of HSUPA scheduling mode, UE receives and can also the legitimacy of PDU maximum number be detected after radio bearer is set up request, and concrete detection mode is in the present embodiment:
Obtain the transmission block size threshold value of the Transmission Time Interval correspondence that presets;
Calculate the transmission block size of the individual PDU of PDU maximum number, be specifically as follows and calculate the size that hypothesis is mapped to a PDU maximum number PDU transmission block that obtains behind the MAC-E layer in the MAC-E correspondence;
Judge whether this transmission block size is less than or equal to transmission block size threshold value, if judge that then the numerical value of PDU maximum number is legal.
Promptly, if TTI is 0.1s, size at the maximum transmitted piece of this TTI correspondence of MAC-E layer is M, the PDU maximum number is N, this professional PDU size of RNC appointment is X, then judges whether N size is less than or equal to M for the PDU of X from the size that operation layer or application layer are mapped to the transmission block that obtains behind the MAC-E layer, if, judge that then current PDU maximum number is legal, otherwise judge illegal.
210, UE controls transmission rate on logic channel;
UE controls the transmission rate of HSUPA on the logic channel of Logic Channel Identifier correspondence, in the present embodiment concrete control mode can for:
In the Transmission Time Interval that presets, judge whether the number of the protocol Data Unit that transmits on the described logic channel surpasses described protocol Data Unit maximum number, if surpass, then in the described Transmission Time Interval that presets, suspend TPDU.
Specifically can be: suppose that TTI is 0.1s, the PDU maximum number be 10, judges in this 0.1s then whether PDU that UE sends has transmitted to reach 10, if reach, then no longer continues transmission PDU in this 0.1s.
Being understandable that, also can be other transmission rate control mode, as long as control according to the PDU maximum number, does not limit in the embodiment of the invention.
211, execute exception handling process.
If it is illegal that UE detects the PDU maximum number, then execute exception is handled, and concrete abnormality processing can be: carry out transmission rate control according to the scheme of prior art, perhaps directly stop operation flow, report error message.
In the present embodiment, after UE receives the transmission rate control request that comprises Logic Channel Identifier and PDU maximum number of RNC transmission, on the logic channel of Logic Channel Identifier correspondence, according to the PDU maximum number message transmission rate in the Transmission Time Interval that presets is controlled, and professional all corresponding different logic channel of each HSUPA in the practical application, so UE can distinguish different HSUPA business, can carry out transmission rate control at specific HSUPA business, thereby improve the accuracy of the transmission rate control of HSUPA business.
What describe in the foregoing description is the scheme of UE to some HSUPA service transmission rate control, promptly in the transmission rate control request that RNC sends, comprise a Logic Channel Identifier and a PDU maximum number, be understandable that, UE can control the transmission rate of a plurality of parallel HSUPA business equally, promptly can comprise a plurality of Logic Channel Identifiers in the transmission rate control request that this moment, RNC sent, if these a plurality of HSUPA business all have same rate-limit, then in the transmission rate control request, can only comprise a PDU maximum number, the HSUPA business of each Logic Channel Identifier correspondence is all used this PDU maximum number, if these a plurality of HSUPA business have different rate-limit, then in the transmission rate control request, can comprise a plurality of PDU maximum numbers, each PDU maximum number is all corresponding with a Logic Channel Identifier, and concrete method of rate control and the flow process in the previous embodiment are similar.
See also Fig. 3, radio network controller embodiment comprises in the embodiment of the invention:
First receiving element 301, be used to receive the RAB foundation request that core net sends, RAB is set up in the request and is comprised business information, professional peak transfer rate and service transferring mode that core net is assigned, and the request of setting up of the RAB that receives is sent to allocation units 302, scheduling verification unit 303 and data processing unit 304;
See also Fig. 4, subscriber equipment embodiment comprises in the embodiment of the invention:
Second receiving element 401 is used to receive the transmission rate control request that RNC sends, and comprises Logic Channel Identifier and PDU maximum number in the transmission rate control request, and this Logic Channel Identifier and PDU maximum number are sent to rate controlled unit 402;
Rate controlled unit 402 is used for the logic channel in this Logic Channel Identifier correspondence, according to the PDU maximum number message transmission rate in the Transmission Time Interval that presets is controlled.
In the present embodiment, subscriber equipment also comprises:
Numerical value judging unit 403 is used for judging whether the numerical value of PDU maximum number is legal after second receiving element 401 receives the PDU maximum number, when numerical value was legal, 402 pairs of transmission rates of indicated speed control unit were controlled.
In the present embodiment, rate controlled unit 402 comprises:
Judging unit 4021 is used in the Transmission Time Interval that presets, and whether the number of the PDU of decision logic channel reaches the PDU maximum number;
Sending controling unit 4022 is used for when judging unit 4021 judges that the number of the PDU of current transmission reaches the PDU maximum number, and the control subscriber equipment suspends transmission PDU in the Transmission Time Interval that presets.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises the steps: when carrying out
Receive the transmission rate control request that radio network controller (RNC) sends, comprise Logic Channel Identifier and protocol Data Unit maximum number in the described transmission rate control request;
On the logic channel of described Logic Channel Identifier correspondence, the message transmission rate in the Transmission Time Interval that presets is controlled according to described protocol Data Unit maximum number.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind of transmission rate control provided by the present invention and radio network controller and subscriber equipment are described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1, a kind of transmission rate control is characterized in that, comprising:
Receive the transmission rate control request that radio network controller (RNC) sends, comprise Logic Channel Identifier and protocol Data Unit maximum number in the described transmission rate control request;
On the logic channel of described Logic Channel Identifier correspondence, the message transmission rate in the Transmission Time Interval that presets is controlled according to described protocol Data Unit maximum number.
2, method according to claim 1 is characterized in that, described transmission rate control request is that radio bearer is set up request;
Also comprise before the step of the transmission rate control request that described reception radio network controller (RNC) sends:
RNC receives the RAB foundation request that core net sends, and described RAB is set up in the request and comprised business information, professional peak transfer rate and service transferring mode that core net is assigned;
According to described business information is described traffic assignments Logic Channel Identifier;
Judge according to described service transferring mode whether described business adopts scheduling mode, if then according to described professional peak transfer rate, Transmission Time Interval that presets and the protocol Data Unit size that presets calculate the protocol Data Unit maximum number;
Described Logic Channel Identifier and described protocol Data Unit maximum number are inserted in the radio bearer foundation request, the request of setting up of described radio bearer is sent to subscriber equipment.
3, method according to claim 1 and 2 is characterized in that, also comprises after the step of the transmission rate control request that described reception radio network controller (RNC) sends:
Whether the numerical value of judging described protocol Data Unit maximum number is legal, if legal, then carries out the step that transmission rate is controlled.
4, method according to claim 3 is characterized in that, whether legal step comprises the described numerical value of judging described protocol Data Unit maximum number:
Obtain the transmission block size threshold value of the Transmission Time Interval correspondence that presets;
Calculate the transmission block size of the individual protocol Data Unit of described protocol Data Unit maximum number correspondence on the MAC layer entity;
Judge whether described transmission block size is less than or equal to described transmission block size threshold value, if judge that then the numerical value of described protocol Data Unit maximum number is legal.
5, method according to claim 2 is characterized in that, and is described according to professional peak transfer rate, and the step that Transmission Time Interval that presets and the protocol Data Unit size that presets calculate the protocol Data Unit maximum number comprises:
With the product of described professional peak transfer rate and the described Transmission Time Interval that presets as transmitted data amount maximum in the Transmission Time Interval that presets;
With the ratio of transmitted data amount maximum in the described Transmission Time Interval that presets and the described protocol Data Unit size that presets as the protocol Data Unit maximum number.
6, method according to claim 2 is characterized in that, describedly described Logic Channel Identifier and described protocol Data Unit maximum number are inserted the step that radio bearer sets up in the request comprises:
Described Logic Channel Identifier is inserted radio bearer to be set up in the corresponding cell of the radio bearer map information of asking;
Set up newly-increased cell in the radio bearer map information of asking at described radio bearer;
Described protocol Data Unit maximum number is inserted described newly-increased cell.
7, method according to claim 1 is characterized in that, the described step of message transmission rate in the Transmission Time Interval that presets being controlled according to described protocol Data Unit maximum number comprises:
In the Transmission Time Interval that presets, judge whether the number of the protocol Data Unit that transmits on the described logic channel reaches described protocol Data Unit maximum number, if reach, then in the described Transmission Time Interval that presets, suspend TPDU.
8, a kind of radio network controller is characterized in that, comprising:
First receiving element is used to receive the RAB foundation request that core net sends, and described RAB is set up in the request and comprised business information, professional peak transfer rate and service transferring mode that core net is assigned;
Allocation units, being used for according to described business information is described traffic assignments Logic Channel Identifier;
The scheduling verification unit is used for judging according to described service transferring mode whether described business adopts scheduling mode;
Data processing unit, be used for when business is taked scheduling mode, according to described professional peak transfer rate, Transmission Time Interval that presets and the protocol Data Unit size that presets calculate the protocol Data Unit maximum number, and described Logic Channel Identifier and described protocol Data Unit maximum number are inserted in the radio bearer foundation request;
Request transmitting unit is used for the request of setting up of described radio bearer is sent to subscriber equipment.
9, a kind of subscriber equipment is characterized in that, comprising:
Second receiving element is used to receive the transmission rate control request that radio network controller (RNC) sends, and comprises Logic Channel Identifier and protocol Data Unit maximum number in the described transmission rate control request;
The rate controlled unit is used for the logic channel in described Logic Channel Identifier correspondence, according to described protocol Data Unit maximum number the message transmission rate in the Transmission Time Interval that presets is controlled.
10, subscriber equipment according to claim 9 is characterized in that, described subscriber equipment also comprises:
The numerical value judging unit is used to judge whether the numerical value of described protocol Data Unit maximum number is legal, when described numerical value is legal, indicates described rate controlled unit that transmission rate is controlled.
According to claim 9 or 10 described subscriber equipmenies, it is characterized in that 11, described rate controlled unit comprises:
Judging unit is used in the Transmission Time Interval that presets, and judges whether the number of the protocol Data Unit that transmits on the described logic channel reaches described protocol Data Unit maximum number;
Sending controling unit, when being used for the number of protocol Data Unit when transmission and reaching described protocol Data Unit maximum number, the control subscriber equipment suspends TPDU in the described Transmission Time Interval that presets.
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| CN2007101655087A CN101420262B (en) | 2007-10-26 | 2007-10-26 | Transmission rate controlling method, wireless network controller and user equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102264112A (en) * | 2010-05-26 | 2011-11-30 | 大唐移动通信设备有限公司 | Method and device for sending data |
| CN102025446B (en) * | 2009-09-17 | 2014-01-01 | 中兴通讯股份有限公司 | A rate control method and device for enhancing uplink channel service |
| WO2015149348A1 (en) * | 2014-04-04 | 2015-10-08 | 华为技术有限公司 | Method and device for adjusting data transmission rate |
| CN109151909A (en) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | Data processing method and device |
-
2007
- 2007-10-26 CN CN2007101655087A patent/CN101420262B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025446B (en) * | 2009-09-17 | 2014-01-01 | 中兴通讯股份有限公司 | A rate control method and device for enhancing uplink channel service |
| CN102264112A (en) * | 2010-05-26 | 2011-11-30 | 大唐移动通信设备有限公司 | Method and device for sending data |
| CN102264112B (en) * | 2010-05-26 | 2014-03-12 | 大唐移动通信设备有限公司 | Method and device for sending data |
| WO2015149348A1 (en) * | 2014-04-04 | 2015-10-08 | 华为技术有限公司 | Method and device for adjusting data transmission rate |
| CN109151909A (en) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | Data processing method and device |
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| Publication number | Publication date |
|---|---|
| CN101420262B (en) | 2012-08-08 |
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