CN101167288B - High-speed downlink packet access flux control device and method in WCDMA system - Google Patents

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 packet access flux control device and method

Technical field

The present invention relates to the flow control technique in a kind of Wideband Code Division Multiple Access (WCDMA) (WCDMA) mobile communication system, specifically, relate to WCDMA system high speed downlink grouped and insert (High SpeedDownlink Package Access, volume control device HSDPA) and method.

Background technology

With respect to 3GPP Release 99 versions (" third generation partner program " is organized in the radio communication standard of delivering in 1999), 3GPP Release 5 has increased medium access control-high speed downlink packet and has inserted entity (MAC-HSDPA on base station (Node B); MAC-hs).The packet scheduler of HSDPA is realized in MAC-hs.Be subjected to the grouped data of HSDPA scheduler schedules from the medium access control-special use (MAC-d) of radio network controller (RNC) or through medium access control entity-public/shared (MAC-c/sh).The data of MAC-d/c/sh are from the control sub layer of wireless link (RLC) of RNC, as shown in Figure 1.

The general process of Flow Control is that MAC-d (or MAC-c/sh) sends flow control request (HS-DSCH CAPACITY REQUEST) according to its buffering area situation to MAC-hs.MAC-hs distributes frame (HS-DSCH CAPACITY ALLOCATION) according to the Flow Control that the Flow Control strategy sends certain format, does not perhaps send Flow Control and distributes frame and allow RNC wait for.MAC-d sends corresponding packet data frame (HS-DSCH DATA FRAME) according to certain strategy and gives MAC-hs after receiving that Flow Control is distributed frame.

But existing flow control, also not by taking all factors into consideration RLC pattern, customer service type, reaching these three factors of service HS-DSCH cell change, in high as far as possible assurance power system capacity, come more effective realization to guarantee the processing policy of UE business continuance.

Summary of the invention

Technical problem to be solved by this invention provides a kind of WCDMA system's high speed downlink packet access flux control device and method.When high as far as possible power system capacity is provided for the WCDM system, guarantee that HSDPA can keep continuous covering, to realize the continuity of UE business.

For solving the problems of the technologies described above, it is as follows to the invention provides scheme:

The volume control device that a kind of broadband CDMA system high speed downlink grouped inserts is positioned at base station media access control layer-high speed, comprising:

Wireless chain control layer mode data taxon is used to distinguish the high speed descending grouping access data pattern of subscriber equipment;

Radio Link control-acknowledged mode data extraction unit is used to extract Radio Link control-acknowledged mode data;

Radio Link control-unacknowledged mode data extraction unit is used to extract Radio Link control-unacknowledged mode data;

Radio Link control-unacknowledged mode data type of service predicting unit is used for predicting the type of service of Radio Link control-unacknowledged mode data;

Service high-speed downlink shared channel cell change predicting unit is used for the possible service high-speed downlink shared channel cell change of predictive user equipment;

Flow Control capability distribution frame data generation unit is used for producing the Flow Control capability distribution frame;

Described wireless chain control layer mode data taxon obtains data from Iub interface, after the high speed descending grouping access data pattern that the differentiation user is not equipped with, data are passed to described Radio Link control-acknowledged mode data extraction unit and described Radio Link control-unacknowledged mode data extraction unit; Described Radio Link control-acknowledged mode data extraction unit extracts Radio Link control-acknowledged mode data, and dateout is given Flow Control capability distribution frame data generation unit; Described Radio Link control-unacknowledged mode data extraction unit extracts Radio Link control-unacknowledged mode data, and dateout is to Radio Link control-unacknowledged mode data type of service predicting unit; The type of service of described Radio Link control-unacknowledged mode data type of service predicting unit prediction Radio Link control-unacknowledged mode data, and dateout is given Flow Control capability distribution frame data generation unit; Described service high-speed downlink shared channel cell change predicting unit is according to the possible service high-speed downlink shared channel cell change of data prediction subscriber equipment that obtains from packet scheduler, high speed media access control buffering area and physical layer, and dateout gives Flow Control capability distribution frame data generation unit, and described Flow Control capability distribution frame data generation unit output Flow Control capability distribution frame is to Iub interface.

The flow control methods that a kind of broadband CDMA system high speed downlink grouped inserts is used for described flow control system, comprising:

Obtain base station application part (NBAP) and Frame Protocol (FP) data from Iub interface, the Radio Link control model data type of judging the high speed downlink packet access that sends to subscriber equipment is Radio Link control-affirmation mode or Radio Link control-unacknowledged mode data, Radio Link control-unacknowledged mode data is carried out the type of service prediction processing obtain predicting type of service;

Receive the throughput Throughput of subscriber equipment, the channel quality indicator (CQI) of subscriber equipment, the carrier/interface ratio SIR_UL_DPCCH of up Dedicated Control Channel, the emissive power control command TPC_UL_DPCCH on the up Dedicated Control Channel, the transmitting power Power_DL_DPCCH of downlink dedicated control channel from packet scheduler, physical layer and high speed media access control buffering area, the possibility of calculation services high speed descending sharing channel cell change:

$P\_\mathrm{CellChange}=\frac{\mathrm{Power}\_\mathrm{DL}\_\mathrm{DPCCH}+\mathrm{\α}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}\mathrm{TPC}\_\mathrm{UL}\_\mathrm{DPCCH}\left(i\right)}{k+\mathrm{\βThroughput}+\mathrm{\λCQI}+\mathrm{\μSIR}\_\mathrm{UL}\_\mathrm{DPCCH}}\·100\%$

Wherein, α, N, k, β, λ, μ are fixed constant;

Carry out the type of service of traffic forecast processing back generation and the possibility of service high-speed downlink shared channel cell change according to Radio Link control-acknowledged mode data or to Radio Link control-unacknowledged mode data, produce the Flow Control capability distribution frame, further comprise the steps:

The current behaviour in service of statistics single queue/whole high speed media access control buffering area;

Whether the current height of judging single queue/whole high speed media access control buffering area is outside last Lower Threshold;

The current height of single queue/whole high speed media access control buffering area outside last Lower Threshold, is then produced thresholding factor ThresholdFactor;

The high speed descending sharing channel amount of Flow Control capability distribution frame in the generation:

Carry out flow control; Wherein, int represents rounding operation; TrafficFactor is an operation factor; MaximumMAC_dPDULength is the specialized media access control protocol data unit size of miscellaneous service maximum;

Be fixed constant.

Compared with prior art, the invention has the advantages that:

Flow control methods of the present invention, can make the base station under traffic type information unit that does not have subscriber equipment and subscriber equipment context/location condition of living in, when providing high system throughput, reduced the packet data loss that brings owing to service HS-DSCH cell change for the HSDPA system.

Technical problem to be solved by this invention, technical scheme main points and beneficial effect will be in conjunction with the embodiments, are further described with reference to accompanying drawing.

Summary of drawings

Fig. 1 is the flow control system structure chart between MAC-d (MAC-c/sh) and the MAC-hs in 3GPP Release 5 communication specifications;

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 Lower Threshold on the current height of judgement single queue of the present invention/whole high speed media access control buffering area;

Fig. 5 is the flow chart that produces Flow Control capability distribution frame embodiment in the method for the invention.

Preferred forms of the present invention

We wish HSDPA when high as far as possible power system capacity is provided for the WCDMA system, and HSDPA can keep continuous covering.As, cover together with 3GPP Release 99 sub-districts.Power control, Adaptive Modulation and Coding (AMC), mix automatic repeat requests (HARQ), channel and switch technology such as (as the switching of HS-DSCH and DCH or the switchings of HS-DSCH and FACH etc.) and can both accomplish this point.

When UE near or when arriving cell edge, Common Pilot Channel (CPICH), downlink dedicated control physical channel (DL-DPCCH) and High-Speed Shared Control Channel (HS-SCCH) etc. are owing to processing gain is bigger, its reliability that is correctly decoded is very big.And high speed down sharing physical channel (HS-PDSCH) is less owing to processing gain, and its reliability that is correctly decoded is lower.For the business that makes UE can keep when cell edge moves continuously at UE, we can take two kinds of effective ways: by MAC the service speed of UE (throughput) is lowered, improving when waiting channel good; Perhaps the business on the HS-DSCH is switched to DCH and get on, utilize the fast power control, soft handover etc. of DCH to keep the continuity of UE business by the channel handoff technique.Which kind of mode no matter has been transferred to MAC-hs but Radio Link control-Unacknowledged Mode (RLC-UM) data that successfully receive for UE not yet all will be lost.Radio Link control-affirmation mode (RLC-AM) data are unaffected.

The present invention mainly is to predict the type of service of UE and predicts that in time UE serves the possibility of HS-DSCH cell change.This not only can guarantee the continuity of UE business, and can make the power system capacity maximization.

As shown in Figure 2, be the structure chart of volume control device of the present invention.

A kind of device of realizing described method, it is arranged in the Media Access Control of base station, and wherein, described device comprises:

Wireless chain control layer mode data taxon 1 is used to distinguish the HSDPA data pattern of UE.Its input data comprise base station application part data (NBAP) and Frame Protocol (FP) data from the data on the Iub interface; Data after the processing are respectively to Radio Link control-acknowledged mode data extraction unit 2 and Radio Link control-unacknowledged mode data extraction unit 3.

Radio Link control-acknowledged mode data extraction unit 2 is used to extract the RLC-AM mode data.The input data are from wireless chain control layer mode data taxon 1; Dateout is given Flow Control capability distribution frame data generation unit 6.

Radio Link control-unacknowledged mode data extraction unit 3 is used to extract the RLC-UM mode data.The input data are from wireless chain control layer mode data taxon 1; Dateout is to Radio Link control-unacknowledged mode data type of service predicting unit 4.

Radio Link control-unacknowledged mode data type of service predicting unit 4 is used for predicting the type of service of RLC-UM mode data.The input data are from Radio Link control-unacknowledged mode data extraction unit 3, and dateout is given Flow Control capability distribution frame data generation unit 6.

Service high-speed downlink shared channel cell change predicting unit 5 is used for predicting the service HS-DSCH cell change that UE is possible.The input data are from scheduler, MAC-hs buffering area, physical layer; Dateout is given Flow Control capability distribution frame data generation unit 6.

Flow Control capability distribution frame data generation unit 6 is used for producing Flow Control capability distribution frame (CAPACITY ALLOCATION Frame).The input data are from Radio Link control-acknowledged mode data extraction unit 2, Radio Link control-unacknowledged mode data type of service predicting unit 4 and service high speed descending sharing channel cell change predicting unit 5; Dateout is to Iub interface.

For, there is more channel to switch and the situation of less service HS-DSCH cell change is arranged, as shown in Figure 3.

At first, obtain base station application part (NBAP) and Frame Protocol (FP) data (step 11) from Iub interface;

Then, judge that the HSDPA data that send to UE are RLC-AM mode data or RLC-UM mode data.If the RLC-AM mode data then directly turns to step 16.Otherwise turn to step 13 (step 12);

The RLC-UM mode data is carried out traffic forecast handle, the traffic forecast algorithm is as follows, afterwards, turns to step 16 (step 13);

$\mathrm{TrafficType}=\left\{\begin{array}{cc}\mathrm{Background},& \mathrm{if}(\mathrm{PriorityOfTraffic}<\mathrm{Th}\_\mathrm{Pri}1)\\ \mathrm{Interactive},& \mathrm{if}(\mathrm{Th}\_\mathrm{Priol}\&le;\mathrm{PriorityOfTraffic}<\mathrm{Th}\_\mathrm{Pri}2)\\ \mathrm{VideoStrea}\min g,& \mathrm{if}(\mathrm{Th}\_\mathrm{<figure-callout\; id="2"\; label="Prio"\; filenames="H78388997150143000E000021.png"\; state="\{\{state\}\}">Prio</figure-callout>}2\&le;\mathrm{PriorityOfTraffic}<\mathrm{Th}\_\mathrm{Pri}3)\\ \mathrm{VoIP},& \mathrm{if}(\mathrm{PriorityOfTraffic}\&GreaterEqual;\mathrm{Th}\_\mathrm{Pri}3)\end{array}\right.$ (formula 1)

Wherein, TrafficType is a type of service, only lists 4 types at present, and actual can have more kind; Background is a background business, and Interactive is interactive class business, and VideoStreaming is a video flowing, and VoIP is for operating in the voice service on the Internet Protocol (IP); PriorityOfTraffic is the service priority of grouped data; Th_Pri1-Th_Pri3 is the priority preset thresholding, is fixed constant.PriorityOfTraffic produces according to NBAP and FP data;

Receive the throughput of UE, channel quality indication (CQI), the carrier/interface ratio (SIR) of up Dedicated Control Channel (UL-DPCCH) of UE, the TPC order on the up Dedicated Control Channel (UL-DPCCH), data such as the transmitting power (step 14) of downlink dedicated control channel (DL-DPCCH) from packet scheduler, physical layer etc.;

The data that step 14 provides are served HS-DSCH cell change prediction processing; The change prediction algorithm is as follows: afterwards, turn to step 16 (step 15);

$P\_\mathrm{CellChange}=\frac{\mathrm{Power}\_\mathrm{DL}\_\mathrm{DPCCH}+\underset{i=1}{\overset{3}{\mathrm{\&Sigma;}}}\mathrm{TPC}\_\mathrm{UL}\_\mathrm{DPCCH}\left(i\right)}{1+\mathrm{Throughput}+\mathrm{CQI}+\mathrm{SIR}\_\mathrm{UL}\_\mathrm{DPCCH}}\&CenterDot;100\%$ (formula 2)

Wherein, P_CellChange is the possibility (can be greater than 100%, the trend of expression cell change is very obvious) that UE serves the HS-DSCH cell change; Power_DL_DPCCH is the transmitting power that sends to the downlink dedicated control channel of each UE; TPC_UL_DPCCH is the TPC order on the up Dedicated Control Channel; Throughput is the throughput of UE; CQI is the channel quality indication of UE; SIR_UL_DPCCH is the carrier/interface ratio of up Dedicated Control Channel;

Then, handle, produce CAPACITYALLOCATION Frame (Flow Control capability distribution frame) according to the data that step 12,13,15 provides; Afterwards, process ends.

It should be noted that the relative step 11 with 15 of step 14, the 12, the 13rd, independently, step 14 and 15 can be carried out before step 11,12,13, did not influence operating result step 16.

Wherein, step 16 also comprises following five steps, shown in Fig. 4,5:

Calculate the current behaviour in service (step 61) of (or statistics) single queue/whole M AC-hs buffering area;

Whether the current height of judging single queue/whole M AC-hs buffering area is between last Lower Threshold.If between last Lower Threshold, then this sub-process finishes; Otherwise forward step 63 (step 62) to;

Produce thresholding factor ThresholdFactor (step 63);

The HS-DSCH amount (HS_DSCHCredit) of Flow Control capability distribution frame in the generation;

$\mathrm{HS}\_\mathrm{DSCHCredit}=\left(\mathrm{int}\right)(\frac{\mathrm{ThroughputTrafficFactor}}{\mathrm{MaximumMAC}\_\mathrm{dPDULength}}\&CenterDot;\frac{\mathrm{<figure-callout\; id="2"\; label="ThresholdFactor"\; filenames="H78388997150143000E000021.png"\; state="\{\{state\}\}">ThresholdFactor</figure-callout>}}{2+P\_\mathrm{CellChange}})$ (formula 3)

Wherein, (int) expression rounding operation; Throughput is the throughput of UE; TrafficFactor is an operation factor, and is relevant with the business of various predictions; MaximumMAC_dPDULength is MAC-d protocol Data Unit (PDU) size of miscellaneous service maximum; ThresholdFactor is the thresholding factor; P_CellChange is the possibility (step 64) that UE serves the HS-DSCH cell change;

Here, can also produce other parameters of Flow Control capability distribution frame, as, medium access control-special protocol data unit maximum length (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, there is less channel to switch and the situation of more service HS-DSCH cell change arranged:

At first, obtain base station application part (NBAP) and Frame Protocol (FP) data (step 21) from Iub interface;

Then, judge that the HSDPA data that send to UE are RLC-AM mode data or RLC-UM mode data; If the RLC-AM mode data then directly turns to step 26; Otherwise turn to step 23 (step 22);

The RLC-UM mode data is carried out traffic forecast to be handled; The traffic forecast algorithm as shown in Equation 1.Afterwards, turn to step 26 (step 23);

Receive the throughput of UE, channel quality indication (CQI), the carrier/interface ratio (SIR) of up Dedicated Control Channel (UL-DPCCH) of UE, the TPC order on the up Dedicated Control Channel (UL-DPCCH), the data (step 24) such as transmitting power of downlink dedicated control channel (DL-DPCCH) from packet scheduler, physical layer etc.

The data that step 24 provides are served HS-DSCH cell change prediction processing, and the change prediction algorithm is as follows; Afterwards, turn to step 26 (step 25);

$P\_\mathrm{CellChange}=\frac{\mathrm{Power}\_\mathrm{DL}\_\mathrm{DPCCH}+\underset{i=1}{\overset{3}{\mathrm{\&Sigma;}}}\mathrm{TPC}\_\mathrm{UL}\_\mathrm{DPCCH}\left(i\right)}{1+5\mathrm{Throughput}+\mathrm{CQI}+\mathrm{SIR}\_\mathrm{UL}\_\mathrm{DPCCH}}\&CenterDot;100\%$ (formula 4)

Wherein, P_CellChange is the possibility (can be greater than 100%, the trend of expression cell change is very obvious) that UE serves the HS-DSCH cell change; Power_DL_DPCCH is the transmitting power that sends to the downlink dedicated control channel of each UE; TPC_UL_DPCCH is the TPC order on the up Dedicated Control Channel; Throughput is the throughput of UE; CQI is the channel quality indication of UE; SIR_UL_DPCCH is the carrier/interface ratio of up Dedicated Control Channel;

Handle according to the data that step 22,23,25 provides, produce CAPACITY ALLOCATIONFrame (Flow Control capability distribution frame) (step 26).

It should be noted that the relative step 21 with 25 of step 24, the 22, the 23rd, independently, step 24 and 25 can be carried out before step 21,22,23, did not influence operating result.

Wherein, step 26 also comprises following five steps, as shown in Figure 4 and Figure 5:

Calculate the current behaviour in service (step 161) of (or statistics) single queue/whole M AC-hs buffering area

Whether the current height of judging single queue/whole M AC-hs buffering area is between last Lower Threshold; If between last Lower Threshold, then this sub-process finishes; Otherwise forward step 163 (step 162) to;

Produce thresholding factor ThresholdFactor (step 163);

The HS-DSCH amount (HS_DSCHCredit) (step 164) of Flow Control capability distribution frame in the generation

$\mathrm{HS}\_\mathrm{DSCHCredit}=\left(\mathrm{int}\right)(\frac{\mathrm{ThroughputTrafficFactor}}{\mathrm{MaximumMAC}\_\mathrm{dPDULength}}\&CenterDot;\frac{\mathrm{ThresholdFactor}}{1+P\_\mathrm{CellChange}})$ (formula 5)

Wherein, (int) expression rounding operation; Throughput is the throughput of UE; TrafficFactor is an operation factor, and is relevant with the business of various predictions; MaximumMAC_dPDULength is MAC-d protocol Data Unit (PDU) size of miscellaneous service maximum; ThresholdFactor is the thresholding factor; P_CellChange is the possibility that UE serves the HS-DSCH cell change;

Here, can also produce other parameters of Flow Control capability distribution frame, as, medium access control-special protocol data unit maximum length (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).

A kind of WCDMA system's high speed downlink packet access flux control device of the present invention and method, be not restricted to listed utilization in specification and the execution mode, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.

Claims (7)

1. the volume control device that broadband CDMA system high speed downlink grouped inserts is positioned at base station medium access control-high speed sublayer, it is characterized in that comprising:

Wireless chain control layer mode data taxon (1) is used to distinguish the high speed descending grouping access data pattern of subscriber equipment;

Radio Link control-acknowledged mode data extraction unit (2) is used to extract Radio Link control-acknowledged mode data;

Radio Link control-unacknowledged mode data extraction unit (3) is used to extract Radio Link control-unacknowledged mode data;

Radio Link control-unacknowledged mode data type of service predicting unit (4) is used for predicting the type of service of Radio Link control-unacknowledged mode data;

Service high-speed downlink shared channel cell change predicting unit (5) is used for the possible service high-speed downlink shared channel cell change of predictive user equipment;

Flow Control capability distribution frame data generation units (6) are used for producing the Flow Control capability distribution frame;

Described wireless chain control layer mode data taxon (1) obtains data from Iub interface, after distinguishing the high speed descending grouping access data pattern of subscriber equipment, data are passed to described Radio Link control-acknowledged mode data extraction unit (2) and described Radio Link control-unacknowledged mode data extraction unit (3); Described Radio Link control-acknowledged mode data extraction unit (2) extracts Radio Link control-acknowledged mode data, and dateout is given Flow Control capability distribution frame data generation units (6); Described Radio Link control-unacknowledged mode data extraction unit (3) extracts Radio Link control-unacknowledged mode data, and dateout is to Radio Link control-unacknowledged mode data type of service predicting unit (4); The type of service of described Radio Link control-unacknowledged mode data type of service predicting unit (4) prediction Radio Link control-unacknowledged mode data, and dateout is given Flow Control capability distribution frame data generation units (6); Described service high-speed downlink shared channel cell change predicting unit (5) is according to the possible service high-speed downlink shared channel cell change of data prediction subscriber equipment that obtains from packet scheduler, high speed media access control buffering area and physical layer, and dateout gives Flow Control capability distribution frame data generation units (6), and described Flow Control capability distribution frame data generation units (6) output Flow Control capability distribution frame is to Iub interface.

2. device according to claim 1 is characterized in that:

Described wireless chain control layer mode data taxon (1) comprises base station application part data, Frame Protocol data from the data that Iub interface obtains.

3. device according to claim 1 is characterized in that:

The data that described service high-speed downlink shared channel cell change predicting unit (5) obtains from packet scheduler, high speed media access control buffering area and physical layer are carrier/interface ratio, the emissive power control command on the up Dedicated Control Channel of the channel quality indication of throughput, the subscriber equipment of subscriber equipment, up Dedicated Control Channel, the transmitting power of downlink dedicated control channel.

4. the flow control methods that broadband CDMA system high speed downlink grouped inserts is used for flow control system, it is characterized in that comprising:

Obtain base station application part and Frame Protocol data from Iub interface, the Radio Link control model data type of judging the high speed downlink packet access that sends to subscriber equipment is Radio Link control-affirmation mode or Radio Link control-unacknowledged mode data, Radio Link control-unacknowledged mode data is carried out the type of service prediction processing obtain predicting type of service;

Receive the throughput Throughput of subscriber equipment, the channel quality indicator (CQI) of subscriber equipment, the carrier/interface ratio SIR_UL_DPCCH of up Dedicated Control Channel, the emissive power control command TPC_UL_DPCCH on the up Dedicated Control Channel, the transmitting power Power_DL_DPCCH of downlink dedicated control channel from packet scheduler, physical layer and high speed media access control buffering area, the possibility of calculation services high speed descending sharing channel cell change:

$P\_\mathrm{CellChange}=\frac{\mathrm{Power}\_\mathrm{DL}\_\mathrm{DPCCH}+\mathrm{\&alpha;}\&CenterDot;\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}\mathrm{TPC}\_\mathrm{UL}\_\mathrm{DPCCH}\left(i\right)}{k+\mathrm{\&beta;}\&CenterDot;\mathrm{Throughput}+\mathrm{\&lambda;}\&CenterDot;\mathrm{CQI}+\mathrm{\&mu;}\&CenterDot;\mathrm{SIR}\_\mathrm{UL}\_\mathrm{DPCCH}}\&CenterDot;100\%$

Wherein, α, N, k, β, λ, μ are fixed constant;

Carry out the type of service of traffic forecast processing back generation and the possibility of service high-speed downlink shared channel cell change according to Radio Link control-acknowledged mode data or to Radio Link control-unacknowledged mode data, produce the Flow Control capability distribution frame, further comprise the steps:

The current behaviour in service of statistics single queue/whole high speed media access control buffering area;

Whether the current height of judging single queue/whole high speed media access control buffering area is outside last Lower Threshold;

The current height of single queue/whole high speed media access control buffering area outside last Lower Threshold, is then produced thresholding factor ThresholdFactor;

The high speed descending sharing channel amount of Flow Control capability distribution frame in the generation:

Carry out flow control; Wherein, int represents rounding operation; TrafficFactor is an operation factor; MaximumMAC_dPDULength is the specialized media access control protocol data unit size of miscellaneous service maximum;

Be fixed constant.

5. method according to claim 4 is characterized in that:

It is described that Radio Link control-unacknowledged mode data is carried out the type of service prediction process is as follows:

Preestablish priority threshold Th_Pri1＜Th_Pri2＜Th_Pri3, Th_Pri1, Th_Pri2, Th_Pri3 are fixed constant;

If Packet data service priority is less than priority threshold Th_Pri1, then type of service is a background business;

If Packet data service priority is less than priority threshold Th_Pri2, and more than or equal to priority threshold Th_Pri1, then type of service is interactive class business;

If Packet data service priority is less than priority threshold Th_Pri3, and more than or equal to priority threshold Th_Pri2, then type of service is a video flowing;

If Packet data service priority is more than or equal to priority threshold Th_Pri3, then type of service is the voice service that operates on the Internet Protocol.

6. method according to claim 4 is characterized in that:

When the current height of judging single queue/whole high speed media access control buffering area is between last Lower Threshold, then directly finish.

7. method according to claim 4 is characterized in that:

The high speed descending sharing channel amount of Flow Control capability distribution frame in the described generation, when carrying out flow control, produce medium access control-special protocol data unit maximum length, high speed descending sharing channel Transmission Time Interval and high speed descending sharing channel transmission repetition period simultaneously.

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