CN101167288A - High-speed downlink packet access flux control device and method in WCDMA system - Google Patents
High-speed downlink packet access flux control device and method in WCDMA system Download PDFInfo
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- CN101167288A CN101167288A CNA2005800496699A CN200580049669A CN101167288A CN 101167288 A CN101167288 A CN 101167288A CN A2005800496699 A CNA2005800496699 A CN A2005800496699A CN 200580049669 A CN200580049669 A CN 200580049669A CN 101167288 A CN101167288 A CN 101167288A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H04W28/00—Network traffic management; Network resource management
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Abstract
A high speed downlink package access flow control device and method in WCDMA system, comprises: data classification unit of wireless link control layer mode, for distinguishing UE high speed downlink package access data mode; data extraction unit of wireless link control-affirmance mode, for extracting wireless link control- affirmance mode data; data extraction unit of wireless link control-nonaffirmance mode, for extracting wireless link control-nonaffirmance mode data; data service type prediction unit of wireless link control-nonaffirmance mode, for predicting wireless link control-nonaffirmance mode data service type; cell change prediction unit of service high speed downlink sharing channel, for predicting the possible service HS-DSCH cell change of UE; data generation unit of flow control capability distribution frame, for generating flow control capability distribution frame. The present invention can improve the capability of the system, at the same time, it can ensure the continuous overcast of HSDPA, and realize the continuity of UE service.
Description
WCDMA system high speed downlink grouped access flow control dress and method and technology field
The present invention relates to a kind of WCDMA（WCDMA-) the flow control technique in GSM, is to be related to the access of WCDMA system high speeds downlink grouped specifically（High Speed Downl ink Package Access, HSDPA) volume control device and method.Background skill wood
Relative to the versions of 3GPP Release 99（" third generation partner program " is organized in the radio communication specification delivered for 1999）, 3GPP Release 5 are in base station（Node B) on add medium education-high-speed slender body theory entity（MAC- HSDPA ； MAC-hs ) .HSDPA packet scheduler is realized in MAC-hs.Radio network controller is come from by the grouped data of HSDPA scheduler schedules（RNC medium education)-special（MAC- d) or it is-public/shared through medium access control entity（MAC-c/sh ) .Control sub layer of wireless link of the MAC- d/c/sh data from RNC（RLC), as shown in Figure 1.
The general process of stream control is that MAC- d (or MAC- c/sh) send flow control request according to its buffer condition to MAC- hs（HS-DSCH CAPACITY REQUEST ) .The stream control that MAC hs send certain format according to stream interface driver distributes frame（HS- DSCH CAPACITY ALLOCATION), or do not send stream control distribution frame and allow RNC to wait.MAC- d send corresponding packet data frame after stream control distribution frame is received according to certain strategy（HS-DSCH DATA FRAME) give MAC- hs.
But existing flow control, also not over consider RLC patterns, customer service type and service HS-DSCH cells change these three factors, while high guarantee power system capacity as far as possible, more effectively to realize ensures the processing strategy of UE business continuances.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of WCDMA systems high speed downlink packet access flux control device and method.While power system capacity as high as possible is provided for WCDM systems, to ensure that HSDPA can keep continuous covering, to realize the continuity of UE business.
In order to solve the above technical problems, offer scheme of the present invention is as follows：
A kind of volume control device of broadband CDMA system high speed downlink grouped access, positioned at base station media access control layer-high speed, including：
Wireless chain control layer mode data taxon, the high speed descending grouping access data pattern for distinguishing user equipment；
Wireless spread-spectrum technology-acknowledged mode data extraction unit, for extracting wireless spread-spectrum technology-acknowledged mode data；
Wireless spread-spectrum technology-unacknowledged mode data extraction unit, for extracting wireless spread-spectrum technology-unacknowledged mode data；
Wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit, for predicting the type of service of wireless spread-spectrum technology-unacknowledged mode data；
Service high-speed downlink shared channel cell changes predicting unit, for predicting the possible service high-speed downlink shared channel cell change of user equipment；
Stream control capability distribution frame data generating unit, for producing stream control capability distribution frame；The wireless chain control layer mode data taxon obtains data from Iub interfaces, after the high speed descending grouping access data pattern for distinguishing user equipment, data are transmitted to the wireless spread-spectrum technology-acknowledged mode data extraction unit and the wireless spread-spectrum technology-unacknowledged mode data extraction unit；The wireless spread-spectrum technology-acknowledged mode data extraction unit extracts wireless spread-spectrum technology-acknowledged mode data, and outputs data to stream control capability distribution frame data generating unit；The wireless spread-spectrum technology-unacknowledged mode data extraction unit extracts wireless spread-spectrum technology-unacknowledged mode data, and outputs data to wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit；The wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit predicts the type of service of wireless spread-spectrum technology-unacknowledged mode data, and outputs data to stream control capability distribution frame data generating unit；The service high-speed downlink shared channel cell change predicting unit is changed according to the possible service high-speed downlink shared channel cell of the data prediction user equipment obtained from packet scheduler, high speed media access control buffering area and physical layer, and output data to stream control capability distribution frame data generating unit, the stream control capability distribution frame data generating unit output stream control capability distribution frame to Iub interface.
A kind of flow control methods of broadband CDMA system high speed downlink grouped access, are used for
The flow control system, including：
Base station application part is obtained from Iub interfaces（) and Frame Protocol NBAP（FP) data, judge to be sent to the wireless spread-spectrum technology mode data type of the high-speed slender body theory of user equipment as it is wireless ' link control-affirmation mode or wireless spread-spectrum technology-unacknowledged mode data, type of service prediction processing is carried out to wireless spread-spectrum technology-unacknowledged mode data to obtain predicting type of service；Emissive power control command TPCJJL-DPCCH, the transmission power ^^-i^-D CCH of downlink dedicated control channel on the channel quality indicator (CQI), carrier/interface ratio S R-_ PCCH of uplink dedicated control channel, uplink dedicated control channel of the throughput Throughpu user equipmenies of user equipment are received from packet scheduler, physical layer and high speed media access control buffering area, the possibility of service high-speed downlink shared channel cell change is calculated：
N
Powe _ DL_ DPCCH + a ∑ TPC _UL _ DPCCH(i)
P CellChange = « 100%
- k + β Throughput + λ CQI + μ SIR— UL— DPCCH
Wherein, a, N, k,, i ,/it is fixed constant；The possibility that type of service and service high-speed downlink shared channel cell are changed for according to wireless spread-spectrum technology-true Ze mode datas or to wireless spread-spectrum technology-unacknowledged mode data produce after traffic forecast processing, stream control capability distribution frame is produced, further comprises following steps：
Count the currently used situation of single queue/whole high speed media access control buffering area；Judge the present level of single queue/whole high speed media access control buffering area whether outside high and low thresholds；
By the present level of single queue/whole high speed media access control buffering area outside high and low thresholds, then threshold factor ThresholdFactor is produced;The high speed descending sharing channel amount of stream control capability distribution frame in generation：
HS DSCHCred!t ^mtX Thr→PutTrafficFactor ThresholdFactor), enter-MaximumMAC _ dPDULength φ+Ρ _ CellChange rows flow control；Wherein, int represents rounding operation；TrafficFactor is operation factor； ∞mWm 4C_ DM:E t/7 are the maximum specialized media access control protocol data unit size of miscellaneous service；For fixed constant.
Compared with prior art, the advantage of the invention is that：
Flow control methods of the present invention, base station can be made under the traffic type information unit without user equipment and user equipment local environment/locality condition, while high system throughput is provided for HSDPA systems, the packet data loss brought due to the change of service HS- DSCH cells is reduced.
The technical problems to be solved by the invention, drip irrigation device and beneficial effect, will be further described referring to the drawings in conjunction with the embodiments.Summary of drawings
Fig. 1 is flow control system structure charts of the MAC- d (MAC- c/sh) between MAC- hs in the communication specifications of 3GPP Release 5；
Fig. 2 is the structure chart of volume control device of the present invention；
Fig. 3 is the flow chart of flow control methods embodiment of the present invention；
Fig. 4 is the schematic diagram of the present level high and low thresholds of judgement single queue of the present invention/whole high speed media access control buffering area；
Fig. 5 is the flow chart of generation stream control capability distribution frame embodiment in the method for the invention.The preferred forms of the present invention
It is desirable that HSDPA for WCDMA system while power system capacity as high as possible is provided, HSDPA can keep continuous covering.Such as, with the cells of 3GPP Release 99 with covering.Power Control, Adaptive Modulation and Coding（AMC), hybrid automatic repeat-request（HARQ), channel switches（Such as HS-DSCH and DCH switching or HS- DSCH and FACH switching）It can accomplish this point etc. technology.
When UE approaches or arrives at cell edge, CPICH Common Pilot Channel（CPICH), downlink dedicated control physical channel（DL- DPCCH) and High-Speed Shared Control Channel（HS- SCCH) etc. due to processing gain it is larger, the reliability that it is correctly decoded is very big.And high speed down sharing physical channel (HS-PDSCH) is smaller due to processing gain, the reliability that it is correctly decoded is relatively low.To enable UE business to keep continuous when UE is moved to cell edge, we can take two kinds of effective methods：Pass through service speeds of the MAC UE（Throughput）Lower, wait channel good day l to wait in raising
Go；Or will be gone by channel switching techniques in the service switching on HS-DSCH to D H, the continuity of UE business is kept using DCH fast power control, soft handover etc..No matter which kind of mode, wireless spread-spectrum technology-Unacknowledged Mode (RLC-UM) data for having been transferred to MAC-hs but being properly received yet for UE will all lose.Wireless spread-spectrum technology-affirmation mode（RLC-AM) data are unaffected.
The present invention essentially consists in prediction UE type of service and prediction UE carries out the possibility of service HS-DSCH cells change in time.This can not only ensure the continuity of UE business, and can maximize power system capacity.
As shown in Fig. 2 being the structure chart of volume control device of the present invention.
A kind of device for realizing methods described, it is arranged in the Media Access Control of base station, wherein, described device includes：
Wireless chain control layer mode data taxon 1, the HSDPA data patterns for distinguishing UE.Data of its input data on Iub interface, including base station application part data（) and Frame Protocol NBAP（FP) data；Data after processing give wireless spread-spectrum technology-acknowledged mode data extraction unit 2 and wireless spread-spectrum technology-unacknowledged mode data extraction unit 3 respectively.
Wireless spread-spectrum technology-acknowledged mode data extraction unit 2, for extracting RLC-AM mode datas.Input data comes from wireless chain control layer mode data taxon 1;Output data to stream control capability distribution frame data generating unit 6.
Wireless spread-spectrum technology-unacknowledged mode data extraction unit 3, for extracting RLC-UM mode datas.Input data comes from wireless chain control layer mode data taxon 1;Output data to wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit 4.
Wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit 4, for predicting the type of service of RLC-UM mode datas.Input data comes from wireless spread-spectrum technology-unacknowledged mode data extraction unit 3, outputs data to stream control capability distribution frame data generating unit 6.
Service high-speed downlink shared channel cell changes predicting unit 5, for predicting the possible serving HS-DSCH cell changes of UE.Enter data to child scheduler, MAC- hs buffering areas, physical layer；Output data to stream control capability distribution frame data generating unit 6.
Stream control capability distribution frame data generating unit 6, for producing stream control capability distribution frame
(CAPACITY ALLOCATION Frame ) .Input data is from wireless spread-spectrum technology-acknowledged mode data extraction unit 2, wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit 4 and service high speed descending sharing channel cell change predicting unit 5;Output data is to Iub interface.
For, the situation for having more channel switching and thering are less service HS- DSCH cells to change, as shown in Figure 3.
First, base station application part is obtained from Iub interfaces（) and Frame Protocol NBAP（FP) data（Step 11)；
Then, the HSDPA data for judging to be sent to UE are RLC-AM mode datas or RLOUM mode datas.If RLC-AM mode datas, then directly to step 16.Otherwise step 13 (step 12) is turned to；
Traffic forecast processing is carried out to RLC-UM mode datas, traffic forecast algorithm is as follows, afterwards, turn to step 16 (step 13)；
Background, if (Priority OfTraffw < 7¾— Prd)
Interactive, if (7¾ _ Pr iol≤ Pr writyOfTraffic <Th_Pr i2) (formula
TrafficType =
Video Streaming. if (Th _ Pr w2≤ Pr writyOfTraffic <Th_?r i3)
VoIP, if (Pr writyOfTraffic≥Th_Pri3)
1) wherein, TrqffwType is type of service, and 4 types are only listed at present, can actually there is more species；Background is background business, and Interactive is interactive class business, and Video Streaming are video flowing, and VoIP is to operate in Internet Protocol（IP the voice service on)； P0nyO/T CFor the service priority of grouped data；7-Pnl-7-Ρ 3 is priority threshold set in advance, is fixed constant.
Produced according to NBAP and FP data；UE throughput, UE channel quality, which are received, from packet scheduler, physical layer etc. indicates (CQI), uplink dedicated control channel（UL-DPCCH carrier/interface ratio)（The data such as TPC command, the transmission power of downlink dedicated control channel (DL-DPCCH) SIR), on uplink dedicated control channel (UL-DPCCH)（Step 14)；
The data that step 14 is provided are carried out with serving HS-DSCH cell change prediction processing；Change prediction algorithm as follows：Afterwards, step 16 (step 15) is turned to；
3
Power _ DL _ DPCCH + ^ TPC JJL _ DPCCH W
The P CellChange=(formulas of ^ 100%
- 1 + Throughput + CQI + SIR JJL _ DPCCH
2) wherein ,-(^/(^." ^ is the possibility that UE carries out serving HS-DSCH cell change（100% can be more than, the trend of cell change is represented clearly）；Po DL-DPCCH is the transmission power for the downlink dedicated control channel for being sent to each UE；T C UL DPCCH are the TPC command on uplink dedicated control channel；Throughput is UE throughput；CQI indicates for UE f roads quality； H- ra-D CCH are the carrier/interface ratio of uplink dedicated control channel；Then, handled according to step 12,13,15 data provided, produce CAPACITY ALLOCATION Frame (stream control capability distribution frames）；Afterwards, this flow is terminated.
It should be noted that step 14 and 15 steps 11,12,13 relatively are independent, step 14 and 15 can be performed before step 11,12,13, have no effect on operating result step 16.
Wherein, step 16 also includes following five steps, as shown in Figure 4,5：
Calculate（Or statistics）The currently used situation of single queue/whole MAC-hs buffering areas（Step 61)；
Judge the present level of single queue/whole MAC-hs buffering areas whether between high and low thresholds.If between high and low thresholds, then the sub-process terminates；Otherwise step 63 (step 62) is gone to；Produce threshold factor ThresholdFactor (step 63)；
The HS-DSCH amounts of stream control capability distribution frame in generation（HS— DSCHCrediO ；
HS DSCHCred!t = (mt)( Thr→PutTrafficFactor ThresholdFactor) (formula
2+corpse of MaximumMAC-dPDULength-CellChange
3) wherein,（Int rounding operation) is represented；Throughput is UE throughput;
TrafficFactor is operation factor, related to the business of various predictions；M wm 4C-L e gt/z are the maximum MAC- d protocol Data Units of miscellaneous service（PDU) size；ThresholdFactor is threshold factor； P _CellChanGe for m carry out the possibility of service HS- DSCH cells change（Step 64)；Here, the other specification of stream control capability distribution frame, e.g., medium education-special protocol data unit maximum length can also be produced（Maximum MAC- d PDU Length), high speed descending sharing channel Transmission Time Interval（HS-DSCH Interval) and high speed descending sharing channel transmission repetition period (HS-DS Repetition Period).
For the situation for having less channel switching and thering is more serving HS-DSCH cell to change：First, base station application part is obtained from Iub interfaces（) and Frame Protocol NBAP（FP) data（Step 21)；
Then, the HSDPA data for judging to be sent to UE are RLC-AM mode datas or RLC-UM mode datas；If RLC-AM mode datas, then directly to step 26;Otherwise step 23 (step 22) is turned to；
Traffic forecast processing is carried out to RLC- UM mode datas；Traffic forecast algorithm is as shown in Equation 1.Afterwards, step 26 (step 23) is turned to；
UE throughput, UE channel quality, which are received, from packet scheduler, physical layer etc. indicates (CQI), uplink dedicated control channel（UL- DPCCH) carrier/interface ratio（SIR TPC command, downlink dedicated control channel), on uplink dedicated control channel (UL-DPCCH)（The data such as transmission power DL-DPCCH)（Step 24)
The data that step 24 is provided are carried out with service HS- DSCH cell change prediction processing, change prediction algorithm is as follows；Afterwards, step 26 (step 25) is turned to；
3
Power _DL_ DPCCH +∑ TPC— UL— DPCCH{i)
P CellChange=^ 100% (Throughput+CQI+the SIR of formula one 1+5 _ UL_ DPCCH
4) wherein, 0/ ^^ is that 1 department for carrying out service HS- DSCH cell changes can property（Can
More than 100 %, to represent the trend of cell change clearly）；Power-D T-DPCCH is the transmission power for the downlink dedicated control channel for being sent to each UE；TPC-UL-DPCCH is up special
' TPC command in ■ .. control channels；Throughput is UE throughput；CQI indicates for UE f roads quality；- f/-PCCH is the carrier/interface ratio of uplink dedicated control channel；Handled according to step 22,23,25 data provided, produce CAPACITY ALLOCATION
Frame (stream control capability distribution frames）（Step26) 。
It should be noted that step 24 and 25 steps 21,22,23 relatively are independent, step 24 and 25 can be performed before step 21,22,23, have no effect on operating result.
Wherein, step 26 also includes following five steps, as shown in Figure 4 and Figure 5：
Calculate（Or statistics）The currently used situation of single queue/whole MAC-hs buffering areas（Step 161)
Judge the present level of single queue/whole MAC-hs buffering areas whether between high and low thresholds；If between high and low thresholds, then the sub-process terminates；Otherwise step 163 (step 162) is gone to;Produce threshold factor ThresholdFactor (step 163)；
The HS- DSCH amounts of stream control capability distribution frame in generation（HS_DSCHCredit) (step 164), Throughput Τ γ afficFactor ThresholdFactor
HS— DSCHCredit = (int)( ― ·― ) ( ¾
― MaximumMA C _ dPD ULength \ + P _ CellChange
5) wherein,（Int rounding operation) is represented；Throughput is UE throughput；Traff i cFac tor are operation factor, related to the business of various predictions；
For the MAC-d protocol Data Units that miscellaneous service is maximum（PDU) size；ThresholdFactor is threshold factor；P _ CellChange is the possibility that UE carries out service HS- DSCH cell changes；Here, the other specification of stream control capability distribution frame, e.g., medium education-special protocol data unit maximum length can also be produced（Maximum MAC-d PDU Length), high-speed downstream
Shared channel Transmission Time Interval（HS- DSCH Interval) and the high speed descending sharing channel transmission repetition period（HS-DS Repetition Period) .
A kind of WCDMA systems high speed downlink packet access flux control device of the present invention and method, listed utilization is not restricted in specification and embodiment, it can be applied to the field of the various suitable present invention completely, additional advantage is easily achieved for those skilled in the art and modifies, therefore in the case of the spirit and scope of the universal limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details, representational equipment and shown here as the examples shown with description.
Claims (1)
- Claims1st, a kind of volume control device of broadband CDMA system high speed downlink grouped access, positioned at base station medium education-high speed sublayer, it is characterised in that including：Wireless chain control layer mode data taxon（1), for distinguishing the high speed descending grouping access data pattern of user equipment；Wireless spread-spectrum technology-acknowledged mode data extraction unit（2), for extracting wireless spread-spectrum technology-true Ze mode datas；Wireless spread-spectrum technology-unacknowledged mode data extraction unit（3), for extracting wireless spread-spectrum technology-unacknowledged mode data；Wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit（4), for predicting the type of service of wireless spread-spectrum technology-unacknowledged mode data；Service high-speed downlink shared channel cell changes predicting unit（5), for predict user equipment department can service high-speed downlink shared channel cell change；Stream control capability distribution frame data generating unit（6), capability distribution frame is controlled for producing stream；The wireless chain control layer mode data taxon（1) data are obtained from Iub interface, after the high speed descending grouping access data pattern for distinguishing user equipment, data is transmitted to the wireless spread-spectrum technology-acknowledged mode data extraction unit（2) with the wireless spread-spectrum technology-unacknowledged mode data extraction unit（3 ) ；The wireless spread-spectrum technology-acknowledged mode data extraction unit（2) wireless spread-spectrum technology-acknowledged mode data is extracted, and outputs data to stream control capability distribution frame data generating unit (6)；The wireless spread-spectrum technology-unacknowledged mode data extraction unit（3) wireless spread-spectrum technology-non-true mode data is extracted, and outputs data to wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit（4) ；The wireless spread-spectrum technology-unacknowledged mode data type of service predicting unit（4) type of service of wireless spread-spectrum technology-unacknowledged mode data is predicted, and outputs data to stream control capability distribution frame data generating unit（6 ) ；The service high-speed downlink shared channel cell changes predicting unit（5) according to the possible service high-speed downlink shared channel cell change of the data prediction user equipment obtained from packet scheduler, high speed media access control buffering area and physical layer, and stream control capability distribution frame data generating unit is output data to（6), the stream control capability distribution frame data generating unit（6) output stream controls capability distribution frame to Iub interface. 2nd, device according to claim 1, it is characterised in that：The wireless chain control layer mode data taxon（The data that 1 Γ is obtained from Iub interface include base station application part data, Frame Protocol data.3rd, device according to claim 1, it is characterised in that：The service high-speed downlink shared channel cell changes predicting unit（5) it is the throughput of user equipment, the channel quality instruction of user equipment, the transmission power of the emissive power control command on the carrier/interface ratio of uplink dedicated control channel, uplink dedicated control channel, downlink dedicated control channel according to the data obtained from packet scheduler, high speed media access control buffering area and physical layer.4th, a kind of flow control methods of broadband CDMA system high speed downlink grouped access, for the flow control system, it is characterised in that including：Base station application part and Frame Protocol data are obtained from Iub interface, judge that it is wireless spread-spectrum technology-affirmation mode or wireless spread-spectrum technology-unacknowledged mode data to be sent to the wireless spread-spectrum technology mode data type of the high-speed slender body theory of user equipment, and type of service prediction processing is carried out to wireless spread-spectrum technology-unacknowledged mode data to obtain predicting type of service；Channel quality indicator (CQI), the carrier/interface ratio S/ of uplink dedicated control channel of the throughput Throughpu user equipmenies of user equipment are received from packet scheduler, physical layer and high speed media access control buffering areaTransmission power Power _ DL-DPCCH of emissive power control command TPC JL _ DPCCH, downlink dedicated control channel on-t/Z_D CCH, uplink dedicated control channel, calculate the possibility of service high-speed downlink shared channel cell change：NPower— DL— DPCCH + a ^ TPC _UL _ DPCCH(i)P CellChange = ^ · 100%- k + β Throughput + λ CQI + μ SIR— UL— DPCCHWherein, α, Ν Λ, Α Α,;" it is fixed constant,The possibility of the type of service and service high-speed downlink shared channel cell change produced after traffic forecast processing is carried out according to wireless spread-spectrum technology-acknowledged mode data or to wireless spread-spectrum technology-unacknowledged mode data, stream control capability distribution frame is produced, further comprises following steps：Count the currently used situation of single queue/whole high speed media access control buffering area；Judge the present level of single queue/whole high speed media access control buffering area whether outside high and low thresholds； By the present level of single queue/whole high speed media access control buffering area outside high and low thresholds, then threshold factor ThresholdFactor is produced;The high speed descending sharing channel amount of stream control capability distribution frame in generation：HS DSCHCredlt = (mt)( Thr→PutTrafficFactor ThresholdF actor), enter― MaximumMA C _ dPDULength φ + P— CellChangeRow flow is controlled；Wherein, int represents rounding operation；TrafficFactor is operation factor；∞/z, M4C-DC/^gt/i are the maximum specialized media access control protocol data unit size of miscellaneous service；For fixed constant.5th, method according to claim 4, it is characterised in that：It is described as follows to wireless spread-spectrum technology-unacknowledged mode data progress type of service prediction process：Preset 7-Prz2 of priority threshold 7-Pr l ＜<77z_Prz3,7-Przl, Th-P 2,7-Pn3 are fixed constant, if Packet data service priority is less than 7-Prd of priority threshold, type of service is background business；If Packet data service priority is less than priority threshold _ Pn2, and more than or equal to 7-Pnl of priority threshold, then type of service is interactive class business；If Packet data service priority is less than 7-Pn3 of priority threshold, and more than or equal to the z_P 2 of priority threshold 7, then type of service is video flowing；If Packet data service priority is more than or equal to 7-Ρ of priority threshold 3, type of service is the voice service operated in Internet Protocol.6th, method according to claim 4, it is characterised in that：It is described that wireless spread-spectrum technology-unacknowledged mode data progress type of service prediction is predicted according to ensures bit rate speed, discarding time, queue priority. 7th, method according to claim 4, it is characterised in that：When judging the present level of the single queue/whole high speed media access control buffering area inch between high and low thresholds, then directly terminate.8th, method according to claim 4, it is characterised in that：The high speed descending sharing channel amount of stream control capability distribution frame in the generation, when carrying out flow control, medium education-special protocol data unit maximum length, high speed descending sharing channel Transmission Time Interval and high speed descending sharing channel transmission repetition period are produced on the same day.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2005/001734 WO2007045126A1 (en) | 2005-10-21 | 2005-10-21 | A high speed downlink package access flow control device and method in wcdma system |
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| Publication Number | Publication Date |
|---|---|
| CN101167288A true CN101167288A (en) | 2008-04-23 |
| CN101167288B CN101167288B (en) | 2011-05-18 |
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| WO (1) | WO2007045126A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7047310B2 (en) * | 2003-02-25 | 2006-05-16 | Motorola, Inc. | Flow control in a packet data communication system |
| CN1241346C (en) * | 2003-10-17 | 2006-02-08 | 中兴通讯股份有限公司 | Flow control method for WCDMA system wireless network control tier |
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2005
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| CN101167288B (en) | 2011-05-18 |
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