CN102281589B - High-speed downlink packet service self-adaptive flow control method and device - Google Patents
High-speed downlink packet service self-adaptive flow control method and device Download PDFInfo
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Abstract
The invention discloses a high-speed downlink packet service self-adaptive flow control method and device. A base station determines initial capacity assignment information and sends the initial capacity assignment information to a wireless network controller according to effective users counted in a counting period and effective flow of Uu interfaces. By applying the invention, the base station can regulate a service rate of a newly-built service user to a stable service rate within a smaller server rate jittering range through flow control.
Description
Technical field
The present invention relates to high-speed downstream bag (HSDPA, High Speed Downlink Packet Access) technology, particularly HSDPA service adaptation flow control methods and device.
Background technology
Fig. 1 is the theory diagram of business data transmission in the system that adopts the HSDPA business.Radio network controller (RNC, Radio Network Controller) comprise the PQ0-PQN of priority query of corresponding different user, RNC is encapsulated in the business datum in PQ0-PQN in Packet Data Unit (PDU), by Iub interface, sends to PQ0-PQN buffer memory corresponding in base station (Node B).Node B scheduling PDU from the PQ0-PQN of self inside forms data queue to be sent, by the Uu interface, sends to corresponding user.Mutual between above-mentioned RNC and Node B, specifically by the MAC-d entity in RNC and the execution of high speed media access control (MAC-hs) entity in Node B.
When newly-built HSDPA service access residential quarter, need set up respectively one in RNC and Node B to PQ that should the new business user, use PQN+1 in Fig. 1, Node B need be by flow control, finally make this newly-built user's business datum reach stable state at the flow of Iub interface and the flow of Uu interface, specifically carry out following operation:
Step 1:RNC sends wireless link to Node B and sets up (Radio Link Setup/Addition) request, points out the current new HSDPA business that has.
Step 2:Node B draws the initial capacity assignment information according to the initial service speed setting for newly-built PQ.
In this step, establishing the initial capacity assignment information is Credit
Init, initial service speed is set to Rate
Init, be T the interval time that Node B carries out flow control
Interval, the size of Node B indication PDU is SizeofMacPDU, the initial capacity assignment information calculates according to the following formula:
Credit
init＝Rate
init×T
Interval/SizeofMacPDU。
Step 3:RNC receives the response that Node B sends, the flow control interval time of carrying initial capacity assignment information and Node B in this response.
Step 4:RNC in Node B carries out flow control interval time, sends the PDU of the indicated quantity of initial capacity assignment information by Iub interface.
Step 5:Node B is every flow control interval time, adjusting service rate obtains new capacity assignment information and again sends to RNC, RNC sends PDU according to the indication of Node B to Node B, executable operations so repeatedly, until this newly-built user's business datum reaches stable state at the flow of Iub interface and the flow of Uu interface, this moment, Node B was called stable service rate to the service rate that the new business user sends PDU.
There is following defect in flow control methods in the system of existing application HSDPA business:
When initial service speed arranges when on the low side, if think to adjust at short notice stable service rate, Node B must frequently control flow, not only to the influential flow control frame that also needs to increase the Iub interface transmission of systematic function; But suppose that Node B does not adjust to service rate stable service rate at short notice, obviously the sensation service rate is on the low side for the new business user, affect user's impression, especially when existing the user who activates the HSDPA business to switch between the TD residential quarter, the service rate shake of generation is easy to allow user satisfaction descend.
When the initial service rate configuration is higher, RNC sends to PQ buffer memory in Node B with a large amount of PDU, the PQ that Node B likely can not in time dispatch buffer memory sends to the new business user, thereby produce transmission delay, increases, and even can cause data packet loss in Node B when serious.
Summary of the invention
The invention provides a kind of HSDPA service adaptation flow control methods, can make Node B by flow control, in less service rate jitter range, new business user's service rate is adjusted to stable service rate.
The invention provides a kind of HSDPA service adaptation volume control device, can make Node B by flow control, in less service rate jitter range, new business user's service rate is adjusted to stable service rate.
Technical scheme of the present invention is achieved in that
A kind of high-speed downlink packet service self-adapting flow control method, key be, at each measurement period, and the effective discharge of base station node B statistics validated user and Uu interface; The method also comprises:
Node B receives the wireless link foundation request that comprises new business user profile that radio network controller (RNC) sends;
The number summation of Node B to validated user and new business user, be divided into described effective discharge the umber that equates with described summed result, and a copy of it distributed to the new business user;
Node B will distribute to the size of new business user's effective discharge divided by Packet Data Unit PDU, obtain the initial capacity assignment information;
Node B sends to RNC the wireless link that carries described initial capacity assignment information and sets up response.
A kind of high-speed downlink packet service adaptive flow control device, key be, this device comprises:
Statistical module, at each measurement period, the effective discharge of statistics validated user and Uu interface, send to the assignment of traffic module with statistics;
Transceiver module, receive the wireless connections foundation request that comprises new business user profile that radio network controller (RNC) sends, and new business user's information is sent to the assignment of traffic module; Send to RNC the wireless link that carries the initial capacity assignment information and set up response;
The assignment of traffic module, the number summation to validated user and new business user, be divided into described effective discharge the umber that equates with summed result, and a copy of it distributed to the new business user, and allocation result is sent to the first flow control module;
The first flow control module,, with distributing to the size of new business user's effective discharge divided by Packet Data Unit PDU, obtain the initial capacity assignment information and send to transceiver module.
As seen, in the method for HSDPA service adaptation provided by the invention flow control, consider the actual transmissions ability of current Uu interface, effective discharge with reference to current Uu interface is new business user assignment flow, and based on the flow of distributing to the new business user, determine the initial capacity assignment information, make this new business user at the initial flow of Iub interface with initial flow at the Uu interface near stable state, thereby make Node B in less service rate jitter range, new business user's initial service speed be adjusted to stable service rate.
Description of drawings
Fig. 1 is the theory diagram of business data transmission in the system that adopts the HSDPA business;
Fig. 2 is the flow chart of HSDPA service adaptation flow control methods in the present invention;
Fig. 3 is the flow chart that in the present invention, Node B adds up effective amount and Uu interface effective discharge;
Fig. 4 is the flow chart of HSDPA service adaptation flow control methods in the embodiment of the present invention one;
Fig. 5 is the flow chart of HSDPA service adaptation flow control methods in the embodiment of the present invention two;
Fig. 6 is the structural representation of HSDPA service adaptation volume control device in the present invention;
Fig. 7 is the structural representation of HSDPA service adaptation volume control device in the embodiment of the present invention three;
Fig. 8 is the structural representation of HSDPA service adaptation volume control device in the embodiment of the present invention four.
Embodiment
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
In the present invention, Node B adds up the effective discharge of validated user and Uu interface in each measurement period, the effective discharge here refers to, and Node B receives user feedback and confirms the data traffic of (ACK) message, namely, by the correct data traffic that receives of user, do not comprise the data retransmission flow.Fig. 2 is the flow chart of HSDPA service adaptation flow control methods in the present invention, and this flow process comprises the following steps:
Step 201:Node B receives the wireless link foundation request that comprises new business user profile that RNC sends.
In this step, what define in the structure of wireless link request and beared information thereof and existing protocol is identical, here only do concise and to the point the description, new business user profile wherein comprises: user gradation corresponding to new business user, the PQ grade that corresponding newly-built PQ is corresponding.
The number summation of step 202:Node B to validated user and new business user, be divided into described effective discharge the umber that equates with described summed result, and a copy of it distributed to the new business user.
Step 203:Node B will distribute to the size of new business user's effective discharge divided by PDU, obtain the initial capacity assignment information.
In this step, the size of PDU is the normal size in the HSDPA business.
Step 204:Node B sends to RNC the wireless link that carries the initial capacity assignment information and sets up response.
As seen, in the method for HSDPA service adaptation provided by the invention flow control, consider the actual transmissions ability of current Uu interface, effective discharge with reference to current Uu interface is new business user assignment flow, and based on the flow of distributing to the new business user, determine the initial capacity assignment information, make this new business user at the initial flow of Iub interface with initial flow at the Uu interface near stable state, thereby make RNC in less service rate jitter range, new business user's initial service speed be adjusted to stable service rate.
In the present invention, Node B adds up the effective discharge of validated user and Uu interface in each measurement period, considers the statistics granularity, and a kind of better execution mode is that this measurement period duration is identical interval time with flow control.Fig. 3 is the flow chart that in the present invention, Node B adds up validated user and Uu interface effective discharge, and this flow process comprises:
Step 301: carry out subframe and upgrade.
In this step, by current subframe, be updated to next subframe.
Step 302: for current subframe statistics effective discharge, and the PQ number of buffer memory non-NULL.
In this step, can also determine whether the validated user corresponding to PQ of buffer memory non-NULL is present in the validated user list further for current subframe, if there is no this validated user be added in this list.The validated user list here is that a default initial content is empty list.
Step 303: whether judgement statistics duration has reached flow control interval time, if it is performs step 304, otherwise returns to execution step 301.
Step 304: to the effective discharge summation of each subframe, as the effective discharge that counts; Add the PQ number with each subframe buffer memory non-NULL, then divided by flow control interval time, as this validated user number that counts.
The operation that to be Node B need constantly repeat in each flow control interval time of above-mentioned steps 301-step 304, when statistics that Node B must make new advances, last statistics will be capped.
Below introduce two specific embodiments of HSDPA service adaptation flow control methods of the present invention.
Embodiment one
Fig. 4 is the flow chart of HSDPA service adaptation flow control methods in the embodiment of the present invention one, and this flow process comprises:
Step 401:Node B receives the wireless link foundation request that RNC sends.
The step 402:Node B current effective discharge that counts of inquiry and effective amount.
In this step, if work as previous measurement period, just finish, with this recent statistics result, be as the criterion, if when the also end of previous measurement period, the statistics with the last time is as the criterion.
Step 403:Node B judges that whether effective amount is 0, if perform step 404, otherwise performs step 405.
In this step, if effective amount is 0, the current effectively transmission of also not carrying out is described, needs to determine the initial capacity assignment information according to method of the prior art.
Step 404:Node B mean allocation effective discharge, obtain the initial capacity assignment information with the effective discharge of distributing to the new business user divided by the size of PDU, then performs step 406.
In this step, establishing initial service speed is Credit
Init, effective discharge is N
Traffic, effective amount is Num
PQ, flow control interval time is T
Interval, the size of PDU is SizeofMacPDU, the initial capacity assignment information is calculated according to following formula:
In above-mentioned formula,
Expression is divided into effective discharge the umber that equates with validated user and new business user number.
Step 405:Node B arranges and determines the initial capacity assignment information according to initial service speed.
In this step, establishing initial service speed is Credit
Init, flow control interval time is T
Interval, initial rate is configured to Rate
Init, calculate according to following formula:
Credit
init＝Rate
init×T
Interval/SizeofMacPDU。
Step 406:Node B sets up response to the wireless link that RNC feedback is carried initial capacity assignment information and flow control interval time.
In this step, RNC sends PDU according to the indication of initial capacity assignment information to Node B, the effective time of flow control time interval indication initial capacity assignment information.
In the present embodiment, be distributed equally to determine the initial capacity assignment information based on current Uu interface effective discharge, RNC sends PDU according to this initial capacity information, can make the new business user obtain maximized initial service speed in the actual treatment limit of power, stable service rate under this maximized initial service speed and ideal state approaches, thereby makes Node B in less service rate jitter range, new business user's service rate be adjusted to stable service rate.
Embodiment two
Fig. 5 is the flow chart of HSDPA service adaptation flow control methods in the embodiment of the present invention two, and this flow process comprises:
Step 501-502 is identical with step 401-402.
Step 503:Node B judges that whether effective amount is 0, if perform step 504, otherwise performs step 505.
Step 504:Node B determines the initial capacity assignment information according to validated user and new business user's weights, then performs step 506.
In this step, at first the weights that define valid user need define user gradation corresponding to valid user, reach PQ priority corresponding to corresponding PQ, determine that new business user's weights need at first to determine user gradation corresponding to newly-built user, reach PQ priority corresponding to corresponding PQ.In setting up the introduction of asking to wireless link, preamble mentions, new business user profile wherein comprises user gradation corresponding to this new business user, reaches PQ priority corresponding to corresponding PQ, all validated users are when new business, Node B has been known its corresponding user gradation, has been reached PQ priority corresponding to corresponding PQ, and it is inner that these information are stored in Node B.
Being provided with valid user has n+1, is designated 0,1,2......n, and the first weights of determining according to the user gradation of validated user are v
0, v
1... v
n, according to validated user the second weights of determining of the PQ priority of corresponding PQ be w
0, w
1... w
nThe new business user has 1, is designated n+1, and the 3rd weights of determining according to new business user's user gradation are v
n+1, according to the new business user the 4th weights determined of the PQ priority of corresponding PQ be w
n+1The size of above-mentioned the first weights and the 3rd weights just is directly proportional to user gradation, and the size of the second weights and the 4th weights just is directly proportional to PQ priority.The concrete of above-mentioned each weights determines that method is this area technological means commonly used, repeats no more here.
Calculating is according to following formula:
p＝v
n+1×w
n+1/(v
0×w
0+v
1×w
1+......+v
n×w
n+v
n+1×w
n+1)；
Credit
init＝(p×N
traffic)/SizeofMacPDU。
Above-mentioned p is called new business user's the allocation proportion factor.
Step 505-506 is identical with step 405-406.
In the present embodiment, according to validated user and new business user's the weights effective discharge to current Uu interface, distributing, taken into full account each user's priority, is the effective discharge of new business user assignment and himself priority coupling.
Fig. 6 is the structural representation of HSDPA service adaptation volume control device in the present invention, and this device comprises: statistical module, transceiver module, assignment of traffic module and first flow control module.
Above-mentioned statistical module, at each measurement period, the effective discharge of statistics validated user and Uu interface, send to the assignment of traffic module with statistics.
Above-mentioned transceiver module, receive the wireless connections foundation request that comprises new business user profile that radio network controller (RNC) sends, and new business user's information is sent to the assignment of traffic module; Send to RNC the wireless link that carries the initial capacity assignment information and set up response.
Above-mentioned assignment of traffic module, the number summation to validated user and new business user, be divided into described effective discharge the umber that equates with summed result, and a copy of it distributed to the new business user, and allocation result is sent to the first flow control module.
Above-mentioned first flow control module,, with distributing to the size of new business user's effective discharge divided by Packet Data Unit PDU, obtain the initial capacity assignment information and send to transceiver module.
Device shown in Figure 6 is according to method executable operations provided by the invention.
Consider the statistics granularity problem, the internal structure of above-mentioned statistical module comprises: judging unit, statistics performance element, the first sum unit and updating block.
Above-mentioned judging unit, whether judgement statistics duration has reached the measurement period duration, and judged result is sent to the first sum unit and updating block.
Above-mentioned statistics performance element, effective discharge, and the PQ number of buffer memory non-NULL of adding up current subframe Uu interface.This statistics performance element can also be further used for, and, for current subframe, determines whether the validated user corresponding to PQ of buffer memory non-NULL is present in the validated user list, if there is no this validated user is added in described list.
Above-mentioned the first sum unit, when judgment unit judges goes out to add up duration and has reached the measurement period duration, to the effective discharge summation of each subframe Uu interface, effective discharge as the Uu interface, to the PQ number summation of each subframe buffer memory non-NULL, then divided by the measurement period duration, as the validated user number.
Above-mentioned updating block, when judgment unit judges goes out to add up duration and do not reach the measurement period duration, upgrade current subframe, and will upgrade result and send to the statistics performance element.
Below provide two embodiment of HSDPA service adaptation volume control device in the present invention.
Embodiment three
Fig. 7 is the structural representation of HSDPA service adaptation volume control device in the embodiment of the present invention three, and in this device, the assignment of traffic module comprises: the second sum unit and distribution performance element.
Above-mentioned the second sum unit, the number addition with validated user and new business user, send to the distribution performance element with addition result.
Above-mentioned distribution performance element, be divided into effective discharge the umber that equates with described addition result, and a copy of it is distributed to the new business user, and allocation result is sent to the first flow control module.
Be 0 situation in order to take into account the validated user number, may further include in the device of the present embodiment: enquiry module and the second flow-control module.
Above-mentioned enquiry module, inquire about the validated user that described statistical module counts goes out, when the validated user number is not 0, trigger described assignment of traffic module and first flow control module executable operations, concrete the second sum unit that triggers in the assignment of traffic module, when the validated user number is 0, trigger described the second flow-control module executable operations.
Above-mentioned the second flow-control module, use the setting of initial service speed multiply by flow control interval time, again divided by the size of PDU,, as the initial capacity assignment information, send to RNC the wireless link that carries the initial capacity assignment information and set up response.
Device in the present embodiment is according to the method flow executable operations in embodiment two.
Embodiment four
Fig. 8 is the structural representation of HSDPA service adaptation volume control device in the embodiment of the present invention four, and in this device, the assignment of traffic module comprises: the first weights determining unit, the second weights determining unit, the 3rd sum unit, allocation proportion factor determining unit and distribution performance element.
Above-mentioned the first weights determining unit, for each validated user in the validated user list, determine the first weights of this validated user according to the user gradation of validated user, according to validated user the PQ priority of corresponding PQ determine the second weights of this validated user, calculate the product of the first weights and the second weights, as the weights of this validated user.This first weights determining unit is obtained user gradation, and the PQ priority of corresponding PQ of validated user from Node B inside.
Above-mentioned the second weights determining unit, determine the 3rd weights according to new business user's user gradation, according to the new business user the PQ priority of corresponding PQ determine the 4th weights, calculate described the 3rd weights and multiply by the product of the 4th weights, as new business user's weights.
Above-mentioned the 3rd sum unit,, with each user's weights and new business user's weights addition, send to allocation proportion factor determining unit with addition result.
Above-mentioned allocation proportion factor determining unit, use new business user's weights divided by described addition result, obtains new business user's the allocation proportion factor and send to the distribution performance element.
Above-mentioned distribution performance element, calculate the product of the described allocation proportion factor and effective discharge, as the effective discharge of distributing to the new business user, allocation result sent to the first flow control module.
Be 0 situation in order to take into account the validated user number, the device in the present embodiment also may further include enquiry module and the second flow-control module.
Above-mentioned enquiry module, inquire about the validated user that described statistical module counts goes out, when the validated user number is not 0, trigger described assignment of traffic module and first flow control module executable operations, concrete the first weights determining unit and the second weights determining unit that triggers in the assignment of traffic module, when the validated user number is 0, trigger described the second flow-control module executable operations.
Above-mentioned the second flow-control module, use the setting of initial service speed multiply by flow control interval time, again divided by the size of PDU,, as the initial capacity assignment information, send to RNC the wireless link that carries the initial capacity assignment information and set up response.
Device in the present embodiment, operate according to the flow performing in embodiment two.
In sum, these are only preferred embodiment of the present invention, not be used for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a high-speed downlink packet service self-adapting flow control method, is characterized in that, at each measurement period, and the effective discharge of base station node B statistics validated user and Uu interface; The method also comprises:
Node B receives the wireless link foundation request that comprises new business user profile that radio network controller (RNC) sends;
The number summation of Node B to validated user and new business user, be divided into described effective discharge the umber that equates with described summed result, and a copy of it distributed to the new business user;
Node B will distribute to the size of new business user's effective discharge divided by Packet Data Unit PDU, obtain the initial capacity assignment information;
Node B sends to RNC the wireless link that carries described initial capacity assignment information and sets up response.
2. the method for claim 1, is characterized in that, the effective discharge of described Node B statistics validated user and Uu interface is:
A, renewal subframe;
B, for current subframe, the effective discharge of statistics Uu interface, and the PQ of the priority query number of buffer memory non-NULL;
Whether C, judgement statistics duration have reached the measurement period duration, if it is perform step D, otherwise return to execution step A;
D, to the summation of the effective discharge of each subframe Uu interface, as the effective discharge of Uu interface; To the PQ number summation of each subframe buffer memory non-NULL, then divided by described measurement period duration, as the validated user number.
3. method as claimed in claim 1 or 2, is characterized in that, described measurement period duration equals the flow control interval time of Node B.
4. method as claimed in claim 2, is characterized in that, describedly described effective discharge is divided into the umber that equates with described summed result is:
Described effective discharge is divided into the umber that equates with described summed result.
5. method as claimed in claim 2, it is characterized in that, described step B further comprises:, for current subframe, determine whether the validated user corresponding to PQ of buffer memory non-NULL is present in the validated user list, if there is no this validated user is added in described list;
The described umber that equates with described summed result that described effective discharge is divided into, and a copy of it is distributed to the new business user be:
For each validated user in described list, determine the first weights of this validated user according to the user gradation of validated user, according to validated user the PQ priority of corresponding PQ determine the second weights of this validated user, calculate the product of described the first weights and the second weights, as the weights of this validated user;
Determine the 3rd weights according to new business user's user gradation, according to the new business user the PQ priority of corresponding PQ determine the 4th weights, calculate described the 3rd weights and multiply by the product of the 4th weights, as new business user's weights;
Weights addition with the weights of each validated user and new business user;
Use new business user's weights divided by described addition result, obtain new business user's the allocation proportion factor;
Calculate the product of the described allocation proportion factor and described effective discharge, as the effective discharge of distributing to the new business user.
6. method as claimed in claim 5, is characterized in that, the size of described the first weights and the 3rd weights just is directly proportional to user gradation, and the size of described the second weights and the 4th weights just is directly proportional to PQ priority.
7. the method for claim 1, it is characterized in that, after described Node B receives the wireless link request that comprises new business user profile that RNC sends, before described Node B sues for peace to validated user and new business user's number, further comprise:
Inquire about the statistics of current validated user, when the validated user number that inquires is not 0, continue to carry out the described summation of number to validated user and new business user, when the validated user number that inquires is 0, use the setting of initial service speed multiply by flow control interval time, again divided by the size of PDU,, as the initial capacity assignment information, then directly carry out to RNC and send the wireless link foundation response of carrying the initial capacity assignment information.
8. a high-speed downlink packet service adaptive flow control device, is characterized in that, this device comprises:
Statistical module, at each measurement period, the effective discharge of statistics validated user and Uu interface, send to the assignment of traffic module with statistics;
Transceiver module, receive the wireless connections foundation request that comprises new business user profile that radio network controller (RNC) sends, and new business user's information is sent to the assignment of traffic module; Send to RNC the wireless link that carries the initial capacity assignment information and set up response;
The assignment of traffic module, the number summation to validated user and new business user, be divided into described effective discharge the umber that equates with summed result, and a copy of it distributed to the new business user, and allocation result is sent to the first flow control module;
The first flow control module,, with distributing to the size of new business user's effective discharge divided by Packet Data Unit PDU, obtain the initial capacity assignment information and send to transceiver module.
9. device as claimed in claim 8, is characterized in that, described statistical module comprises:
Judging unit, whether judgement statistics duration has reached the measurement period duration, and judged result is sent to the first sum unit and updating block;
The statistics performance element, add up current subframe Uu interface effective discharge, reach the PQ of the priority query number of buffer memory non-NULL, statistics is sent to the first sum unit;
The first sum unit, when judgment unit judges goes out to add up duration and has reached the measurement period duration, to the effective discharge summation of each subframe Uu interface, effective discharge as the Uu interface, to the PQ number summation of each subframe buffer memory non-NULL, then divided by the measurement period duration, as the validated user number;
Updating block, when judgment unit judges goes out to add up duration and do not reach the measurement period duration, upgrade current subframe, and will upgrade result and send to the statistics performance element.
10. device as claimed in claim 9, is characterized in that, described assignment of traffic module comprises:
The second sum unit, the number addition with validated user and new business user, send to the distribution performance element with addition result;
Distribute performance element, effective discharge is divided into the umber that equates with described addition result, and a copy of it is distributed to the new business user, allocation result is sent to the first flow control module.
11. device as claimed in claim 9, it is characterized in that, described statistics performance element is further used for, for current subframe, whether validated user corresponding to PQ of determining the buffer memory non-NULL is present in the validated user list, if there is no this validated user is added in described list;
Described assignment of traffic module comprises:
The first weights determining unit, for each validated user in described list, determine the first weights of this validated user according to the user gradation of validated user, according to validated user the PQ priority of corresponding PQ determine the second weights of this validated user, calculate the product of the first weights and the second weights, as the weights of this validated user;
The second weights determining unit, determine the 3rd weights according to new business user's user gradation, according to the new business user the PQ priority of corresponding PQ determine the 4th weights, calculate described the 3rd weights and multiply by the product of the 4th weights, as new business user's weights;
The 3rd sum unit,, with each user's weights and new business user's weights addition, send to allocation proportion factor determining unit with addition result;
Allocation proportion factor determining unit, use new business user's weights divided by described addition result, obtains new business user's the allocation proportion factor and send to the distribution performance element;
Distribute performance element, calculate the product of the described allocation proportion factor and effective discharge, as the effective discharge of distributing to the new business user, allocation result is sent to the first flow control module.
12. device as claimed in claim 8, is characterized in that, this device further comprises: enquiry module and the second flow-control module;
Described enquiry module, inquire about the validated user that described statistical module counts goes out, when the validated user number is not 0, trigger described assignment of traffic module and first flow control module executable operations, when the validated user number is 0, trigger described the second flow-control module executable operations;
Described the second flow-control module, use the setting of initial service speed multiply by flow control interval time, again divided by the size of PDU,, as the initial capacity assignment information, send to RNC the wireless link that carries the initial capacity assignment information and set up response.
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|---|---|---|---|---|
| CN1729709A (en) * | 2003-03-31 | 2006-02-01 | 富士通株式会社 | Cordless communication network and flow control methods |
| CN101248609A (en) * | 2005-08-26 | 2008-08-20 | 艾利森电话股份有限公司 | Flow-control in UMTS |
| CN101277258A (en) * | 2007-03-26 | 2008-10-01 | 华为技术有限公司 | Method, system and apparatus for controlling access flow of high speed downstream package |
| CN101471866A (en) * | 2007-12-28 | 2009-07-01 | 普天信息技术研究院有限公司 | Flow control method of radio communication system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1729709A (en) * | 2003-03-31 | 2006-02-01 | 富士通株式会社 | Cordless communication network and flow control methods |
| CN101248609A (en) * | 2005-08-26 | 2008-08-20 | 艾利森电话股份有限公司 | Flow-control in UMTS |
| CN101277258A (en) * | 2007-03-26 | 2008-10-01 | 华为技术有限公司 | Method, system and apparatus for controlling access flow of high speed downstream package |
| CN101471866A (en) * | 2007-12-28 | 2009-07-01 | 普天信息技术研究院有限公司 | Flow control method of radio communication system |
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