CN1921683B

CN1921683B - Dispatching method for SRNC control service cell to user

Info

Publication number: CN1921683B
Application number: CN2005100965481A
Authority: CN
Inventors: 王弘; 李小强; 格特-扬范利斯豪特
Original assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Current assignee: Beijing Samsung Telecommunications Technology Research Co Ltd; Samsung Electronics Co Ltd
Priority date: 2005-08-24
Filing date: 2005-08-24
Publication date: 2012-01-25
Anticipated expiration: 2025-08-24
Also published as: CN1921683A

Abstract

The invention relates to a method for using SRNC to control service region to distribute user, which comprises: SRNC sends command to the service region, to inform the UE about expected distribute valve; the service region sends command to SRNC, to inform about the UE distribute value and the instruction of relative E-RNTI; SRNC sends command to UE, to inform about the UE distribute value of service region and the instruction of relative E-RNTI. With said invention, SRNC can evaluate the distribute value expected by UE, and send said value to service region. And the service region has one reference value on the UE distribution, to distribute accurately, while the UE operation is simple.

Description

SRNC control Serving cell is to user's dispatching method

Technical field

The present invention relates to support in ascending reinforced special channel (EU-DCH or the E-DCH) system configuration of third generation gpp (hereinafter to be referred as 3GPP) proposition that in the process that changes Serving cell, SRNC controls the method for new Serving cell to user's scheduling.

Background technology

3-G (Generation Three mobile communication system) is all to providing two-forty, high-quality data packet services to carry out standardization.For example: 3GPP is carrying out standardization to HSDPA (High Speed Downlink Access), thereby improves descending data rate, and 3GPP2 is carrying out standardization to 1xEV-DV (Evolution-Data and Voice).3GPP proceeds the enhancing (EUDCH) of ascending packet data transmission again, thereby improves up capacity and covering.EUDCH compares with the up DCH of Rel99/4/5; Introduced HARQ (Hybrid Automatic Retransmission Request) mechanism; And considering to use the TTI (Transmission Time Interval) shorter than the up DCH of Rel99/4/5, for example the same with HSDPA is 2ms.TTI is defined as the time interval of transmission channel to the physical channel transfers data.

Fig. 1 has described the process of transfer of data among the EUDCH.The repeating transmission of Node B control EUDCH.

In order to realize E-DCH, hold the sublayer that has increased a Mac-e/es at UE, this layer is the layer below Mac-d.The packet of handling through Mac-d is called as Mac-d flow, and Mac-d flow will give the processing of Mac-e layer then.The packet that process Mac-e layer is handled comprises head and data division the Mac-e packet.The function of Mac-e mainly contains the HARQ function, multiplexing function, the function that transformat is selected.The HARQ function is responsible for handling with HARQ agreement function associated, comprises the packet of preserving Mac-e, and when " non-affirmation " order of receiving that Node B sends, tissue is retransmitted the packet of this Mac-e.The HARQ entity obtains the combination of transformat from RRM module (RRC module), the maximum transmission times of each Mac-d flow, the power information that also has physical layer to need; Multiplexing function is responsible for being mapped to Mac-d flow among the PDU of Mac-e, and the data of different Mac-d flow can be multiplexed among the PDU of same Mac-e; The selection of transformat is meant that UE selects suitable transformat, and at first, transformat just is meant the length of the frame of Mac-e.Not every Mac-d flow can be mapped in the frame of Mac-e simultaneously, and which Mac-d flow SRNC will dispose can be multiplexing.SRNC also will dispose the corresponding power (PO) of E-TFC of E-TFC and a reference as a reference to UE, and the power of other E-TFC can calculate according to the PO of the E-TFC of reference.In E-DCH, outstanding feature is exactly that Node B can dispatch UE.UE is in the selection of doing transformat; Scheduling value according to Node B; According to the transmitting power of UE and the digit rate amount of E-DCH, satisfying under the condition of maximum power that transmitting power is not more than Node B scheduling, UE can select a transformat that can transmit maximum data volumes.

In order to realize E-DCH, on base station node B, increased the Mac-e layer, to the user of each E-DCH, a Mac-e layer is arranged on Node B.On each Node B, also have the scheduler module of an E-DCH, this module and Mac-e handle the function associated with E-DCH together.These functions comprise: the scheduling of E-DCH, the control of E-DCH, the demultiplexing of E-DCH, HARQ function.The scheduling of E-DCH is meant that Node B manages the resource of whole sub-district, gives different UE the resource allocation of sub-district; The controlled function of E-DCH is responsible for receiving " dispatch request " order that UE sends, and the scheduling feature through E-DCH, distributes corresponding resource to UE, sends " scheduling distributes " order then and gives UE." dispatch request " order is that UE sends, and can send to Node B together with the Mac-e packet, comprises the size of the buffer area data volume of UE, and available power etc. can provide reference information for the scheduling of Node B; The demultiplexing function of E-DCH is meant that the Mac-e layer of Node B the predetermined form of bag composition that receives, sends to SRNC then.The bag that the Mac-e layer is received comprises head and the data division of Mac-e PDU Mac-e PDU.Because between Node B and the SRNC; Data-carrying is to set up a Data-carrying for each Mac-d flow; The Mac-e layer of Node B takes out the data of same Mac-d flow, forms a predetermined form (Mac-es PDU) then, sends to SRNC to packet.The Mac-e layer receives data from physical layer, if if physical layer can correct decoding, Node B sends the correctly reception of " affirmations " order (ACK) indication UE data, and UE can send new data in the same process of the next one (process).The correct data that receive are given Mac-e.If physical layer does not have correct decoding, Node B sends " non-affirmation " order (NAK) indication UE, will retransmit these data at a same process.The ACK/NAK order is sent through a DPCH HICH.Node B merges the data of data of retransmitting and transmission first, if the ability correct decoding, the data after the decoding are given Mac-e and handled.

On SRNC, increased a Mac-es layer.The Mac-es layer receives the bag that comes from Node B, therefore retransmission mechanism has been arranged, send to SRNC bag be not order, SRNC through analysis package in front the sequence number of face carry out the ordering of packet.

The front said that in E-DCH, an outstanding feature was that Node B can dispatch UE.The scheduling of Node B has two kinds, and a kind of is absolute dispatch, and absolute dispatch is meant that NodeB is provided with the maximum of the ascending power that UE can use.Absolute dispatch (Absolute Grant) scheduling be the power ratio of E-DCH data channel and Dedicated Physical Control Channel, i.e. the power ratio of E-DPDCH/DPCCH, the DPCCH channel is to be used for the dedicated channel of physical layer for transmission control information.Node B dispatches the absolute speed of the uplink of UE through the ratio of the power of scheduling E-DCDCH and DPCCH; Below our said scheduling value or power ratio; All be meant the power ratio of maximum E-DPDCH/DPCCH, when the Mac-e/es of UE layer carries out the transformat selection, according to suitable transmission block of power selection; Transmission block is meant the size of the data that constantly will transmit at the next one, is equivalent to can convert power to speed.Because power and speed can be exchanged, also be called the maximum rate that Node B scheduling UE sends sometimes.The dispatch of another kind of Node B is relative dispatch, and the dispatch scheduling is the speed with respect to the last time relatively, and the speed of UE can raise, and perhaps reduces a predetermined stride.Relatively dispatch sends through DPCH RGCH, and is therefore fairly simple, only need indication UE speed " rising " " decline " perhaps " maintenance " get final product.

Absolute dispatch is to send through a public physical channel AGCH, and therefore, in order to distinguish different users, absolute dispatch need comprise the sign of UE.Node B distributes two signs to the user, and the sign of a special use is main E-RNTI sign (Primary E-RNTI), and another sign is a time E-RNTI sign (Secondary E-RNTI).Through main E-RNTI sign, the speed of Node B scheduling unique user is called specific schedule information, and schedule information can one or more TTI be that unit sends.Through inferior E-RNTI sign, Node B can dispatch one group of user's maximum and use speed, and to one group of user's scheduling, can be called is public schedule information, and public schedule information is to send by certain cycle.The E-RNTI sign that Node B distributes at first sends to SRNC, and SRNC sends to UE to ID through radio resource control signaling (RRC signaling) then.

Send the difference of the E-RNTI that dispatch comprises according to Node B; We are divided into main absolute dispatch and time absolute dispatch to absolute dispatch; The absolute dispatch that we claim to comprise main E-RNTI is main absolute dispatch, claims that the absolute dispatch that comprises time E-RNTI is time absolute dispatch.Main absolute dispatch is the scheduling to a UE, and promptly Node B sends schedule information at every turn, just sets the maximum power of a UE, and inferior absolute dispatch is the scheduling to one group of UE, and promptly NodeB sets the maximum power of one group of UE simultaneously.

Absolute dispatch also will comprise the scheduling value to UE, and the scheduling value is the power ratio of the operable maximum of UE, and this value is that decision UE can use maximum speed.Absolute dispatch also comprises the sign that a process activates, and this sign indication scheduling is that this sign is set to " all " to a porcess or all process, and the expression dispatch is effective to all process.

Under SHO (soft handover) state, have only a sub-district can send absolute dispatching command and relative dispatching command, relative dispatching command can only be sent in other sub-district.The sub-district that can send absolute dispatching command is the Serving cell of UE; Serving cell is according to the upstream rate of power situation with the amount decision user needs that send data of UE; Service Node B can send the maximum of absolute dispatch control UE transmission rate, can also send relative dispatch to the user and make user's speed increase or reduce a predetermined stride.

When the downlink quality variation of Serving cell, just need reselect the Serving cell of the good sub-district of downlink quality as UE.At present, Serving cell is to be selected by network, and SRNC comprises the measurement result to the channel quality of adjacent cells according to the measurement report that UE sends in the measurement report, and SRNC selects the Serving cell of the best sub-district of one of them downlink quality as UE.Send signaling then and give new Node B, require to set up new Radio Link, perhaps revise existing Radio Link.In message, notify the sign of new Serving cell, set up and Node B between connection, Node B distributes some resources, such as, in the resource of the descending scheduling channel of new Serving cell, send response message then to SRNC.SRNC sends the RRC signaling and gives UE, notifies new Serving cell sign and sets up new radio bearer.

UE listens to the absolute dispatch of Serving cell, receives main absolute dispatch, and UE obeys the scheduling of main absolute dispatch always.If receive inferior absolute dispatch; See last dispatch; If last master scheduling signaling is set to " not activating "; And the sign of process activation is set to " all " or last efficient scheduling is inferior absolute dispatch, and then UE needs decide maximum operable speed according to the inferior absolute dispatch of receiving.Therefore, to each absolute dispatch, UE need know that this dispatch is to main or time E-RNTI.

In the prior art, if UE moves to a new sub-district, UE need listen to the schedule information that send new sub-district after obtaining new ID E-RNTI.Before receiving new schedule information, UE does not know the speed of new Serving cell to oneself dispatching.Therefore, the behavior of UE is uncertain.Therefore, need network to notify of the scheduling of the new Serving cell of UE to oneself.In the network, Node B is responsible for the scheduling to the user, and schedule information need send to SRNC from Node B; But new Serving cell is difficult to determine a suitable scheduling value to UE when not receiving the buffer area information of UE; Therefore; If SRNC tells the new Serving cell scheduling value that a UE expectation obtains, the Node B at Serving cell place just can calculate a suitable scheduling value according to the expectation of UE.

Summary of the invention

An object of the present invention is to provide the method for SRNC control Serving cell to user's schedule information.

For realizing above-mentioned purpose, a kind of SRNC control Serving cell comprises step to the method that the user dispatches

A.SRNC sends signaling and gives Serving cell, and the speed of E-DCH data is set;

B. Serving cell sends signaling and gives SRNC, has notified the scheduling value of UE and the indication of the E-RNTI of correspondence;

C.SRNC sends signaling and gives UE, the indication of the speed of notice E-DCH data and corresponding E-RNTI.

Through the method that the present invention provides, SRNC can estimate the scheduling value of UE expectation, and sends to Serving cell to this value.Serving cell has a reference value to the scheduling of UE, and that can dispatch is more accurate.And the behavior of UE is fairly simple.

Description of drawings

Fig. 1 is the system construction drawing of EUDCH;

Fig. 2 is the signaling process one of the scheduling of SRNC control UE when Serving cell switches;

Fig. 3 is the signaling process two of the scheduling of SRNC control UE when Serving cell switches.

Embodiment

Fig. 2 has described at UE and has been in soft changing state, and does not have under the situation of DRNC existence, and SRNC changes the signaling process of Serving cell.

UE is sending the E-DCH data, and the Serving cell of this moment is the old Serving cell of describing among the figure.In 201 steps, UE sends measurement report and gives SRNC, and measurement report comprises the measurement to the channel quality of adjacent cells.

202 steps; SRNC has received the measurement report that UE sends; If wherein the channel quality of the old Serving cell of the mass ratio of the down channel of certain sub-district will be got well; And all the channel quality than old Serving cell is good for the quality of channel of this sub-district in a period of time, and SRNC can determine to change the Serving cell of UE, the good sub-district of down channel quality as the new Serving cell of UE.SRNC is according to the data volume of the buffer area of UE report in the measurement report of 201 steps; And the monitoring situation of UE user plane known the speed that UE is present; Judge the value of the scheduling that the UE expectation obtains, and give the Node B at new Serving cell place this value through the message informing in 203 steps.Such as; SRNC judges that the present Mean Speed of UE is 200 bps, shows in the measurement report of UE that the data volume of UE is 2000 bits, according to the requirement of quality; Need in 8 seconds, pass; Then the speed of expectation is 250 bps, and then SRNC can send to Node B to 250 bps ratios that convert power into.Also can send to Node B to the speed of expectation, carry out the conversion of speed and power by Node B.Perhaps, SRNC judges the present Mean Speed of UE, converts Mean Speed to the ratio of power then, sends to Node B.Also can send to Node B to the speed of expectation.The simplest method is that UE is included in the speed of present expectation or power ratio in the measurement report, and SRNC just can directly utilize this desired value, and same, desired value can be a power ratio, perhaps speed.The speed of E-DCH data can be the ratio of the power of E-DCH data channel and Dedicated Physical Control Channel.When SRNC sets up the E-DCH resource, can decide the desired value of a UE according to the quality requirement of the business of E-DCH.

203 steps; SRNC is according to the information of the UE that preserves; If SRNC does not have to set up Radio Link with the Node B at new Serving cell place, " Radio Link is set up request information and is given NodeB, if SRNC has set up Radio Link with the Node B that new Serving cell belongs to; SRNC sends " radio link reconfiguration request ", and perhaps " radio link reconfiguration preparation " message is given Node B in the SRNC transmission.Comprise the transport layer address information element that SRNC gives wireless link distribution in the message, comprise the sign of MAC-D flow, priority, maximum retransmission etc.Information also comprises the combination of the transformat of E-DCH, the ratio of the power of the transformat of reference and the transformat of reference and DPCCH channel.Message also comprises the Radio Link sign of Serving cell, also comprises the scheduling value that the UE expectation obtains.Table one has shown the main information that comprises in the message:

Table one

204 steps, Node B receives message, if the Radio Link of the E-DCH of the sign of the Serving cell that comprises in message indication service is on this Node B; Then Node B will dispose some with the relevant resource of E-DCH for UE, for example, and the sign E-RNTI of UE; Comprise principal mark and know and/or inferior sign, the channel code of absolute scheduling channel, the information such as channel code of scheduling channel relatively; And the scheduling value that the UE that comprises in the message that sends over according to SRNC expectation obtains; With reference to the power situation of Node B, come for the user determines a suitable scheduling value (Serving Grant Value), if Node B distributes two E-RNTI for UE simultaneously; Node B also will determine this scheduling value to know to principal mark, still to time sign.

205 steps, according to the message of receiving in 203 steps, the Node B at new Serving cell place sends " Radio Link is set up response " message perhaps " radio link reconfiguration response ", and perhaps " radio link reconfiguration is ready to " given SRNC.Message comprises the transport layer address information that Node B distributes for each MAC-d flow, the information of E-DCH down control channel.The information of E-DCH down control channel comprises the sign (principal mark is known and/or inferior sign) of UE; The information of absolute scheduling channel and relative scheduling channel; Also comprise " Serving Grant Value ", indication is at new Serving cell, to the scheduling value of UE; If distributed two E-RNTI to UE simultaneously, new Serving cell need indicate to the scheduling value of UE corresponding be that principal mark is known or time sign.Therefore need a new information element: " Primary/Secondary Grant Selector ", indication is at new Serving cell, and the value of " Serving Grant Value " is to dispatch to principal mark knowledge or time sign.If only distribute an E-RNTI, need not comprise this information element.Table two has shown the main information that comprises in the message:

Table two

206 steps, SRNC sends RRC message and gives UE, and this message can be " activating set updating ".The indication Serving cell has switched to new Serving cell.Message comprises new Serving cell sign; The sign E-RNTI of new UE, the information of new down control channel also comprises " Serving Grant Value "; Indication is at new Serving cell; Value to the scheduling of UE also comprises " Primary/Secondary Grant Selector ", and what indication " Serving Grant Value " was corresponding is that principal mark is known or time sign.If only comprise an E-RNTI, then need not comprise " Primary/Secondary Grant Selector ".

207 steps, UE preserves information, according to " the Serving Grant Value " in the RRC message, decides the speed of switching the operable maximum in back.

208 steps, UE sends the RRC message of response and gives SRNC.Response message can be " activating set updating response " message.

209 steps, according to the information of E-RNTI that receives and down control channel, UE begins to monitor schedule information from new Serving cell.

210 steps, SRNC sends signaling and gives old Serving cell, the change of indication Serving cell.Delete the Radio Link of old Serving cell if desired, can send message " Radio Link deletion request " and give old Serving cell,, can send message " radio link reconfiguration request information if need not delete the Radio Link of old Serving cell.

211 steps, old Serving cell sends response message and gives SRNC.

Fig. 3 has described at UE and has been in soft changing state, and the situation of new Serving cell under the control of DRNC, and SRNC changes the signaling process of Serving cell.

UE is sending the E-DCH data, and the Serving cell of this moment is the old Serving cell of describing among the figure.In 301 steps, UE sends measurement report and gives SRNC, and measurement report comprises the measurement to the channel quality of adjacent cells.

302 steps; SRNC has received the measurement report that UE sends; If wherein the channel quality of the old Serving cell of the mass ratio of the down channel of certain sub-district will be got well; And all the channel quality than old Serving cell is good for the quality of channel of this sub-district in a period of time, and SRNC can determine this sub-district as the new Serving cell of UE.SRNC is according to the data volume of UE in the measurement report, and the monitoring situation of UE user plane is known the speed that UE is present, judges the value of the scheduling that the UE expectation obtains, and gives the DRNC at new Serving cell place this value through the message informing of 303 steps.Such as; SRNC judges that the present Mean Speed of UE is 200 bps, shows in the measurement report of UE that the data volume of UE is 2000 bits, according to the requirement of quality; Need in 8 seconds, pass; Then the speed of expectation is 250 bps, and then SRNC can send to Node B to 250 bps ratios that convert power to.Also can send to Node B to the speed of expectation for 250 bps, carry out the conversion of speed and power by Node B.Perhaps, SRNC judges the present Mean Speed of UE, converts Mean Speed to the ratio of power then, sends to Node B.Also can send to Node B to the speed of expectation.The simplest method is that UE is included in the speed of present expectation or power ratio in the measurement report of 301 steps, and SRNC just can directly utilize this desired value, and same, desired value can be a power ratio, perhaps speed.When SRNC sets up the E-DCH resource, can decide the desired value of a UE according to the quality requirement of the business of E-DCH.

303 steps; SRNC is according to the information of the UE that preserves; If SRNC does not have under the connection of UE foundation for this reason and DRNC, SRNC sends " Radio Link is set up request ", if SRNC has set up link with this DRNC; SRNC can send " Radio Link increase " " radio link reconfiguration request ", and perhaps " radio link reconfiguration preparation " message is given DRNC.Comprise the transport layer address information element that SRNC gives wireless link distribution in the message, comprise the sign of MAC-D flow, priority, maximum retransmission etc.Information also comprises the combination of the transformat of E-DCH, the ratio of the power of the transformat of reference and the transformat of reference and DPCCH channel.Message also comprises the Radio Link sign of Serving cell, can also comprise the scheduling value that the UE expectation obtains.Table three has shown the main information that comprises in the message:

Table three

304 step DRNC send message and give Node B.According to 303 steps, message can be " Radio Link is set up request " " radio link reconfiguration request ", perhaps " radio link reconfiguration preparation " message.The information that comprises is shown in table three.

305 steps, if the sign of the Serving cell that the message in 304 steps comprises indicates the Radio Link of the E-DCH that serves on this Node B, then Node B will dispose some with the relevant resource of E-DCH for UE; For example; The sign E-RNTI of UE comprises principal mark and knows and/or inferior sign, the channel code of absolute scheduling channel; The information such as channel code of relative scheduling channel; The scheduling value that the UE expectation of sending according to SRNC obtains, with reference to the power situation of Node B, Node B comes to determine a suitable scheduling value (Serving Grant Value) for the user.If Node B distributes two E-RNTI for UE simultaneously, Node B also will determine this scheduling value to know to principal mark, still to time identifying.

306 steps, according to the message of receiving in 303 steps, new Serving cell sends " Radio Link is set up response " message perhaps " radio link reconfiguration response ", and perhaps " radio link reconfiguration is ready to " given DRNC.Message comprises the transport layer address information that Node B distributes for each MAC-d flow; Comprise the sign (principal mark is known and/or inferior sign) of UE, the information of absolute scheduling channel and relative scheduling channel also comprises " Serving Grant Value "; Indication is at new Serving cell; To the value of the scheduling of UE, if distributed two E-RNTI simultaneously, new Serving cell need the value of indication " Serving Grant Value " corresponding be that principal mark is known or this sign.A new information element: " Primary/Secondary Grant Selector ", indication is at new Serving cell, and the value of " Serving Grant Value " is to dispatch through principal mark knowledge or time sign.If only distribute an E-RNTI, need not comprise this information element.Table four has shown the main information that comprises in the message

Table four

307 steps, DRNC is the information of receiving from new Serving cell, and through " Radio Link increases response " " Radio Link is set up response " message perhaps " radio link reconfiguration response ", perhaps " radio link reconfiguration is ready to " message informing is to SRNC.

308 steps, SRNC sends RRC message and gives UE, and the indication Serving cell has switched to new Serving cell.Message comprises new Serving cell sign; The sign E-RNTI of new UE; Also comprise " Serving Grant Value ", indication is at new Serving cell, to the value of the scheduling of UE; Also comprise " Primary/Secondary Grant Selector ", what indication scheduling value was corresponding is that principal mark is known or time sign.

309 steps, UE preserves information, according to the scheduling value in the RRC message, decides the speed of switching the operable maximum in back.And UE sends response message and gives SRNC.SRNC also can send signaling and give old Serving cell, carries out the process shown in 210 and 211 steps.

When SRNC begins to set up the E-DCH resource for UE; SRNC also can set a scheduling value for UE; When UE begins to send the E-DCH data; Just use this scheduling value to send the scheduling value of data to start with, received the dispatching command of service Node B to oneself up to UE, UE just begins to accept the dispatching command that service Node B sends.SRNC is that the scheduling value that UE sets also is in setting up the process of link; " " information is given service Node B to the scheduling value of UE expectation in the SRNC transmission; Service Node B is according to the desired value of UE; Dispose a scheduling value, and " scheduling value " and " main/inferior sign is selected " information notice SRNC, SRNC transmission " scheduling value " and " main/inferior sign is selected " are given UE then.The step of the step of this process and Fig. 2 and Fig. 3 is similar, does not just have 201 steps and 301 steps.

Claims

1. a SRNC control Serving cell comprises step to the method that the user dispatches:

SRNC sends signaling and gives new Serving cell, and the speed that strengthens dedicated channel E-DCH data is set;

New Serving cell sends signaling and gives SRNC, and notice is to the speed of the E-DCH data of UE and the indication that the master/inferior sign is selected;

SRNC sends signaling and gives UE, the speed of notice E-DCH data and the indication that the master/inferior sign is selected.

2. method according to claim 1 is characterized in that sending signaling to before the new Serving cell at said SRNC, and said method also comprises step:

UE sends measurement report and gives SRNC, and SRNC is according to the new Serving cell of measurement report decision.

3. method according to claim 1; It is characterized in that said SRNC sends signaling and gives Serving cell, the step that the speed that strengthens dedicated channel E-DCH data is set comprises, if new Serving cell is under the control of DRNC; Then SRNC sends message and gives DRNC, and the speed of E-DCH data is set.

4. method according to claim 1; It is characterized in that Serving cell sends signaling and gives SRNC; Notice comprises the speed of the E-DCH data of UE and the step of master/indication that inferior sign is selected; If new Serving cell is under the control of DRNC, then Node B sends signaling and gives DRNC, the speed of notice E-DCH data and the indication of corresponding identification.

5. method according to claim 1 is characterized in that, the speed of E-DCH data is the ratio of the power of E-DCH data channel and Dedicated Physical Control Channel.

6. method according to claim 1 is characterized in that, main/indication that inferior sign is selected be indication scheduling value corresponding be main E-RNTI or time E-RNTI.

7. method according to claim 1 is characterized in that, the NodeB at new Serving cell place decides the scheduling value to UE according to the speed of E-DCH data.

8. method according to claim 1 is characterized in that, the scheduling that the NodeB at new Serving cell place sends UE is worth to SRNC.

9. method according to claim 1 is characterized in that, what the NodeB at new Serving cell place sent scheduling value correspondence is main E-RNTI or the indication of time E-RNTI.

10. method according to claim 2 is characterized in that, the measurement report that UE sends comprises the speed of E-DCH data.

11. method according to claim 1 is characterized in that sending signaling at said SRNC gives UE, after the speed of notice E-DCH data and the step of master/indication that inferior sign is selected, said method also comprises step:

UE switches the operable maximum rate in back according to the message decision that SRNC sends.

12. method according to claim 1 is characterized in that,

If SRNC does not have to set up wireless link with the Node B at new Serving cell place, " the wireless link request information is given Node B in the SRNC transmission;

If SRNC has set up wireless link with the Node B that new Serving cell belongs to, SRNC sends " radio link reconfiguration request " or " radio link reconfiguration preparation " message and gives Node B.