CN102457898A - Method and system for controlling congestion of enhanced dedicated channel (E-DCH) - Google Patents
Method and system for controlling congestion of enhanced dedicated channel (E-DCH) Download PDFInfo
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- CN102457898A CN102457898A CN2010105188625A CN201010518862A CN102457898A CN 102457898 A CN102457898 A CN 102457898A CN 2010105188625 A CN2010105188625 A CN 2010105188625A CN 201010518862 A CN201010518862 A CN 201010518862A CN 102457898 A CN102457898 A CN 102457898A
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Abstract
The invention discloses a method for controlling the congestion of an enhanced dedicated channel (E-DCH) in an enhanced CELL forward access channel (CELL_FACH) state. The method comprises the following steps that: in the enhanced CELL_FACH state, a network control network element acquires an E-DCH data frame, determines whether the enhanced dedicated channel is congested according to a frame sequence number (FSN) and/or a subframe number (SubFrame No) and a common frame number (CFN) in the E-DCH data frame, and informing a NodeB of a congestion state; and the NodeB adjusts an uplink data sending quantity carried by the E-DCH according to the congestion state. The invention also discloses a system for controlling the congestion of the E-DCH. In the enhanced CELL_FACH state, the congestion state carried by an uplink E-DCH of an Iub interface is fed back to the NodeB through a control radio network controller (CRNC) or the congestion state carried by an uplink E-DCH of an Iub/Iur interface is fed back to a drift radio network controller (DRNC) through a serving radio network controller (SRNC) and transmitted to the NodeB so as to instruct the uplink E-DCH data sending quantity of the NodeB at the Iub/Iur interface; therefore, the transmission resources at the Iub/Iur interface can be used effectively and fully.
Description
Technical field
The present invention relates to reinforced cell forward access channel (CELL_FACH; CELL Forward AccessChannel) the enhancing dedicated channel (E-DCH of attitude; Enhanced Dedicated Channel) congested control technology relates in particular to congested control method and the system of enhancing dedicated channel under a kind of CELL_FACH of enhancing state.
Background technology
Continuous development along with 3G (Third Generation) Moblie; Sharing downlink physical access (HSDPA at a high speed; HighSpeed Downlink Packet Access) technology inserts (HSUPA with at a high speed shared ascending physical signal; HighSpeed UPlink Packet Access) released the HSPA+ technology on the basis of technology, its objective is in order to improve data-transmission efficiency, to reduce time delay.In this technology; Proposed the CELL_FACH state is strengthened, hoped that the downlink data of this state is carried on the high speed descending sharing channel (HS-DSCH, HighSpeed-Downlink Shared Channel); And upstream data is carried on enhancing dedicated channel (E-DCH; Enhanced Dedicated Channel) on, thereby can strengthen the data transmission performance of this state, make it obtain less propagation delay time and higher transmission rate.
Strengthening under the CELL_FACH state, the Iub/Iur port transmission bearing is to set up in advance, along with number of users is on the increase, causes transmission bandwidth limited easily, thereby causes transfer of data to lose and the congestion phenomenon of data transfer delay.Therefore; For the descending HS-DSCH transmission of Iub mouth, 3GPP TS 25.435 agreements regulation, control radio network controller (CRNC; Control Radio Network Controller) in HS-DSCH type 2 frames, carries frame number (FSN; Frame Sequence Number) and postpone reference time (DRT, Delay Reference Timing) information and supply Node B (NodeB) to carry out congestion detection, NodeB notifies congestion state to CRNC through the HS-DSCH capability distribution frame; Thereby instruct the data of CRNC to send, accomplish the congested control of Iub mouth down direction; For the descending HS-DSCH transmission of Iur mouth; 3GPP TS 25.425 agreements regulation; Service wireless network controller (SRNC; Serving Radio NetworkController) in HS-DSCH type 2 frames, carry FSN and DRT information and supply floating radio network controller (DRNC, Drift Radio Network Controller) to carry out congestion detection, DRNC notifies congestion state to SRNC through the HS-DSCH capability distribution frame; Thereby instruct the data of SRNC to send, accomplish the congested control of Iur mouth down direction.Yet for strengthening Iub/Iur mouth up direction E-DCH transmission under the CELL_FACH state, agreement does not have the relevant congestion control policy of regulation at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide control method and the system that strengthens the dedicated channel uplink congestion under a kind of CELL_FACH of enhancing state.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of congested control method of dedicated channel that strengthens comprises:
Strengthening under the CELL_FACH state; After the network control network element obtains and strengthens dedicated channel (E-DCH) Frame, according to the number of frames (FSN) in the said E-DCH Frame, and/or; Subframe numbers (SubFrameNo) and public frame number (CFN) determine whether congested, and with the congestion state informing base station;
The upstream data traffic volume that carry according to said congestion state adjustment E-DCH said base station.
Preferably, said network control network element is control radio network controller (CRNC).
Preferably, the network control network element determines whether congested being specially:
Whether said CRNC judges continuously according to FSN whether said Iub port transmission bearing LOF occurs; And/or; Judge according to CFN, subframe numbers and radio network controller frame number (RFN) whether said Iub port transmission bearing frame occurs and delay; Said Iub port transmission bearing LOF both do not occurred and had not occurred frame delay yet; Then said Iub port transmission bearing does not have congested, otherwise said Iub port transmission bearing is congested.
Preferably, said the congestion state informing base station is specially:
Said CRNC carries the congestion state informing base station with said Iub port transmission bearing through said Iub mouth E-DCH;
The upstream data traffic volume that said Iub mouth E-DCH carries is adjusted according to said congestion state in said base station.
Preferably, said network control network element is service wireless network controller (SRNC).
Preferably, said network control network element obtains the E-DCH Frame and is specially:
Floating radio network controller (DRNC) carries through Iub mouth E-DCH and receives the E-DCH Frame that send the base station; And carry corresponding Iur mouth E-DCH through said Iub mouth E-DCH and carry and send to SRNC, wherein, said E-DCH Frame comprises FSN; And/or, subframe numbers and CFN information.
Preferably, the network control network element determines whether congested being specially:
Whether said SRNC judges continuously according to FSN whether said Iub/Iur port transmission bearing LOF occurs; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub/Iur port transmission bearing frame occurs and delay; Said Iub/Iur port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub/Iur port transmission bearing does not have congested, otherwise said Iub/Iur port transmission bearing is congested.
Preferably, said the congestion state informing base station is specially:
Said SRNC carries through said Iur mouth E-DCH and notifies said DRNC with the congestion state of said Iub/Iur port transmission bearing;
Said DRNC carries corresponding Iub mouth E-DCH through said Iur mouth E-DCH and carries said congestion state informing base station;
The upstream data traffic volume that said Iub mouth E-DCH carries is adjusted according to said congestion state in said base station, thus the upstream data traffic volume that the adjustment Iur mouth E-DCH corresponding with said Iub mouth carries.
A kind of congested control system of dedicated channel that strengthens comprises the acquiring unit be located in the network control network element, confirms unit and notification unit, and is located at the adjustment unit in the base station; Wherein,
Acquiring unit is used to obtain the E-DCH Frame;
Confirm the unit, be used for FSN, and/or subframe numbers and CFN determine whether congested according to said E-DCH Frame;
Notification unit is used for the congestion state informing base station;
Adjustment unit is used for the upstream data traffic volume of carrying according to said congestion state adjustment E-DCH.
Preferably, said network control network element is CRNC; Said acquiring unit carries the E-DCH Frame that receives the base station transmission further through Iub mouth E-DCH.
Preferably, whether said definite unit judges continuously according to FSN whether said Iub port transmission bearing LOF occurs further; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub port transmission bearing frame occurs and delay; Said Iub port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub port transmission bearing does not have congested, otherwise said Iub port transmission bearing is congested.
Preferably, said notification unit is notified said base station through said Iub mouth common E-DCH carrying with the congestion state of said Iub port transmission bearing further;
Said adjustment unit according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth common E-DCH carries further.
Preferably, said network control network element is SRNC; DRNC receives the E-DCH Frame that send the base station through Iub mouth E-DCH carrying, and said acquiring unit carries corresponding Iur mouth E-DCH carrying through said Iub mouth E-DCH and sends to SRNC further.
Preferably, whether said definite unit judges continuously according to FSN whether said Iub/Iur port transmission bearing LOF occurs further; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub/Iur port transmission bearing frame occurs and delay; Said Iub/Iur port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub/Iur port transmission bearing does not have congested, otherwise said Iub/Iur port transmission bearing is congested.
Preferably, said notification unit is notified said DRNC through said Iur mouth E-DCH carrying with the congestion state of said Iub/Iur port transmission bearing further; Said DRNC carries corresponding Iub mouth E-DCH through said Iur mouth E-DCH and carries said congestion state informing base station;
Said adjustment unit according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth E-DCH carries further, thus the upstream data traffic volume that the adjustment Iur mouth E-DCH corresponding with said Iub mouth carries.
Among the present invention; Strengthening under the CELL_FACH state; Congestion state through the up E-DCH of CRNC feedback Iub mouth carries is given NodeB; The congestion state that perhaps carries through the up E-DCH of SRNC feedback Iub/Iur mouth is given DRNC and is passed through NodeB, instructs the up E-DCH data traffic volume of NodeB at the Iub/Iur mouth, thereby fully effectively utilizes the transfer resource of Iub/Iur mouth.
Description of drawings
Fig. 1 is for strengthening the structural representation of the E-DCH Frame on the Iub mouth under the CELL_FACH attitude;
Fig. 2 is for strengthening the structural representation of the E-DCH Frame on the Iur mouth under the CELL_FACH attitude;
Fig. 3 is for strengthening the structural representation of the congested indication frame of Iub/Iur mouth under the CELL_FACH attitude;
Fig. 4 strengthens the composition structural representation that strengthens the control system of dedicated channel uplink congestion under the CELL_FACH state for the present invention.
Embodiment
Basic thought of the present invention is; Strengthening under the CELL_FACH state; Congestion state through the up E-DCH of CRNC feedback Iub mouth carries is given NodeB; The congestion state that perhaps carries through the up E-DCH of SRNC feedback Iub/Iur mouth is given DRNC and is passed through NodeB, instructs the up E-DCH data traffic volume of NodeB at the Iub/Iur mouth, thereby fully effectively utilizes the transfer resource of Iub/Iur mouth.
In the present invention, on the one hand, set up Iub mouth E-DCH to public MAC stream between CRNC and the NodeB and carry.NodeB is encapsulated as the E-DCH Frame after receiving data from eating dishes without rice or wine, and carries through the E-DCH on the Iub mouth and sends to CRNC, and wherein, the E-DCH Frame carries information such as FSN, CFN and SubFrameNo; CRNC judges the E-DCH data carried by data loss situation on the Iub mouth according to the FSN information that Frame carries; The CFN information and the SubFrameNo information of carrying according to Frame; And the RFN of local maintenance (radio network controller frame number) information is judged the E-DCH data carried by data time-delay situation on the Iub mouth; Judge the congestion state that the E-DCH on the Iub mouth carries according to certain decision rule then, and feed back to NodeB through congested indication frame; NodeB obtains the congestion state that the E-DCH on the Iub mouth carries from CRNC; According to certain congestion control policy; Adjust each user's in the E-DCH carrying on the corresponding Iub mouth uplink authorization; Thereby the data volume of sending is gone up in E-DCH carryings on the control Iub mouth, makes that the defeated resource quilt of Iub oral instructions is abundant and effectively utilizes.
Fig. 1 is for strengthening the structural representation of the E-DCH Frame on the Iub mouth under the CELL_FACH attitude; As shown in Figure 1; E-DCH Frame on the Iub mouth includes three parts such as frame head, frame and option; Wherein, carry the information such as phase related control information such as cyclic redundancy (CRC, CyclicRedundancy Check) check code, FSN, SubFrameNo, CFN of this E-DCH Frame in the frame head.Among the present invention, the structure of the E-DCH Frame of Iub mouth specifically can be referring to related protocol, the present invention's its specific structural details that repeats no more.
Among the present invention, congestion control policy mainly is when E-DCH carrying appearance is congested, the carrying data in the adjustment E-DCH carrying.This strategy has suitable flexibility, specifically can confirm according to the operation strategy of each operator, owing to be not the difficult point that realizes technical scheme of the present invention, repeating no more here, it realizes details.
On the other hand, set up Iur mouth E-DCH to public MAC stream between SRNC and the DRNC and carry, set up Iub mouth E-DCH between DRNC and the NodeB and carry.DRNC receives from the E-DCH carrying on the Iub mouth and wherein carries information such as FSN, CFN and SubFrameNo by the E-DCH Frame that SRNC is issued through the E-DCH carrying that the E-DCH on the said Iub mouth carries on the corresponding Iur mouth in the encapsulation back again; SRNC judges the E-DCH data carried by data loss situation on the Iub/Iur mouth according to the FSN information that Frame carries; The CFN information and the SubFrameNo information of carrying according to Frame; And the E-DCH data carried by data delay situation on the RFN information of the local maintenance judgement Iub/Iur mouth, judge the congestion state of the E-DCH carrying on the Iub/Iur mouth and feed back to DRNC according to certain decision rule then through congested indication frame; DRNC obtains the congestion state that the E-DCH on the Iub/Iur mouth carries from SRNC, and the E-DCH carrying of carrying on the corresponding Iub mouth through the E-DCH on the said Iur mouth passes through NodeB; NodeB obtains the congestion state that the E-DCH on the Iub mouth carries from DRNC; According to certain congestion control policy; Adjust each user's in the E-DCH carrying on the corresponding Iub mouth uplink authorization; Thereby the data volume of sending is gone up in E-DCH carryings on the control Iub mouth, and then controls the data volume that E-DCH on the said Iub mouth carries transmission E-DCH carryings on the corresponding Iur mouth in, and it is abundant and effectively utilize to make the Iub/Iur oral instructions fail the resource quilt.
Fig. 2 is for strengthening the structural representation of the common E-DCH Frame on the Iur mouth under the CELL_FACH attitude; As shown in Figure 2; E-DCH data frame structure and the E-DCH data frame structure on the Iub mouth on the Iur mouth are similar; Also comprise three parts such as frame head, frame and option, wherein, carry the information such as phase related control information such as CRC check sign indicating number, FSN, SubFrameNo, CFN of this E-DCH Frame in the frame head.Among the present invention, the structure of the E-DCH Frame on the Iur mouth specifically can be referring to related protocol, the present invention's its specific structural details that repeats no more.
Fig. 3 is for strengthening the structural representation of the congested indication frame of Iub/Iur mouth under the CELL_FACH attitude; As shown in Figure 3; The congested indication frame of Iub/Iur mouth comprises frame head and frame two parts, wherein, comprises CRC check sign indicating number and control frame type (Control Frame Type) in the frame head; Frame partly comprises congestion state (CongestionState) and keeps expansion (Spare Extention); Wherein, Congestion State is used to notify the congestion state to the base station, and the congestion state value is following:
| Congestion state | Describe |
| 0 | No TNL congestion (no congested) |
| 1 | Reserved for future use (reservation) |
| 2 | TNL Congestion-detected by delay build-up (congested-as to show as frame to delay time) |
| 3 | TNL Congestion-detected by frame loss (congested-show as LOF) |
Certainly, the present invention is not limited to above-mentioned congestion state and corresponding value thereof, can also be other value, as long as can indicate the concrete state of current congestion.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
Execution mode one
In this example, terminal UE 1, NodeB1 and RNC1 are all in proper working order; The access base station of terminal UE 1 is NodeB; The Serving RNC of terminal UE 1 is RNC1; The control RNC of NodeB1 is RNC1; Set up the E-DCH carrying between RNC1 and the NodeB1.
The control method that this example strengthens the dedicated channel uplink congestion specifically may further comprise the steps:
1, terminal UE 1 successfully activates Packet Data Protocol (PDP, Packet Data Protocol) context.
2, the user is in the basic enterprising line correlation operation of FTP (FTP, File Transfer Protocol), and terminal UE 1 is up to NodeB request mandate.
3, the NodeB1 congestion state assigns authorized of carrying according to the E-DCH on scheduling resource situation and the up-to-date Iub mouth.
4, terminal UE 1 is sent upstream data according to the mandate of NodeB1, and NodeB1 encapsulates E-DCH Frame (E-DCH DATA FRAME), carries through the E-DCH on the Iub mouth and issues RNC1, carries information such as FSN, CFN and SubFrameNo in the E-DCH Frame; The concrete structure as shown in Figure 1 of E-DCH Frame.
5, RNC1 judges whether to occur LOF according to FSN, is then to send congested indication frame to give NodeB, and wherein carrying congestion state is TNL Congestion detected by frame loss.
6, LOF does not appear to RNC1 in judgement according to FSN; Then judge whether to occur frame delay according to CFN, SubFrameNo information and RFN information; Be then to send congested indication frame to give NodeB, wherein, carrying congestion state is TNL Congestion detected by delay build-up.
7, RNC1 judges had not both had LOF not have frame delay yet, then sent congested indication frame and gave NodeB, and wherein carrying congestion state is No TNL congestion.Among the present invention, when RNC1 only can get access to FSN information, can only whether lose frame and judge; At this moment, if FSN is discontinuous, then confirm to occur LOF; Current interface is in congestion state, and when the FSN consecutive hours, owing to can't whether frame be postponed to judge; Then also think the current frame delay that do not occur, confirm the current not congestion state that is in.Same, when RNC1 only can get access to CFN and SubFrameNo information, can only whether postpone to judge to frame; At this moment, postpone, confirm that then interface is in congestion state if frame exists; And when not having frame delay; Owing to can't whether judge continuously to frame, think also that then present frame is continuous, confirm the current not congestion state that is in.
8, NodeB1 confirms the congestion state on the Iub mouth according to received congested indication frame; If LOF and/or frame delay occur; Then reduce the data volume that the E-DCH on the Iub mouth carries upstream data; So that current digital data can normally be transferred to network side, otherwise the data volume of progressively adjusting the upstream data of the E-DCH carrying on the Iub mouth arrives normal level (the Node B can gradually go back tonormal operation).
Execution mode two
In this example, terminal UE 1, NodeB1, RNC1 and RNC2 are all in proper working order; Wherein, the access base station of terminal UE 1 is NodeB1; The Serving RNC of terminal UE 1 is RNC2; The control RNC of NodeB1 is RNC1; Set up the E-DCH carrying between RNC1 and the NodeB1; Set up the E-DCH carrying between RNC1 and the RNC2.
The control method that this example strengthens the dedicated channel uplink congestion specifically may further comprise the steps:
1, terminal UE 1 successful PDP context activating.
2, user's enterprising line correlation operation on the FTP basis, terminal UE 1 is up to NodeB1 request mandate.
3, the NodeB1 congestion state assigns authorized of carrying according to the E-DCH on scheduling resource situation and the up-to-date Iub/Iur mouth.
4, terminal UE 1 is sent upstream data according to the mandate of NodeB1, and NodeB1 encapsulation of data frame E-DCHDATA FRAME issues RNC1 through the carrying of the E-DCH on the Iub mouth, wherein carries information such as FSN, CFN and SubFrameNo.
5, RNC1 issues RNC2 after E-DCH DATA FRAME is encapsulated again.
6, RNC2 judges whether to occur LOF according to FSN, is then to send congested indication frame to give RNC1, and wherein, carrying congestion state is TNL Congestion detected by frame loss.
7, RNC2 judges there is not LOF according to FSN; Then judge whether to occur frame delay according to CFN, SubFrameNo information and RFN information; Be then to send congested indication frame to give RNC1, wherein carrying congestion state is TNL Congestion detected by delay build-up.
8, RNC2 judges had not both had LOF not have frame delay yet, then sent congested indication frame and gave RNC1, and wherein carrying congestion state is No TNL congestion.Among the present invention, when RNC2 only can get access to FSN information, can only whether lose frame and judge; At this moment, if FSN is discontinuous, then confirm to occur LOF; Current interface is in congestion state, and when the FSN consecutive hours, owing to can't whether frame be postponed to judge; Then also think the current frame delay that do not occur, confirm the current not congestion state that is in.Same, when RNC2 only can get access to CFN and SubFrameNo information, can only whether postpone to judge to frame; At this moment, postpone, confirm that then interface is in congestion state if frame exists; And when not having frame delay; Owing to can't whether judge continuously to frame, think also that then present frame is continuous, confirm the current not congestion state that is in.
9, RNC1 carries from the E-DCH on the Iur mouth and receives congested indication frame, and passes through NodeB1 through the carrying of the E-DCH on the Iub mouth.
10, NodeB1 confirms the congestion state on the Iub mouth according to received congested indication frame; If LOF and/or frame delay occur; Then reduce the data volume that the E-DCH on the Iub mouth carries upstream data; So that current digital data can normally be transferred to network side, otherwise the data volume of progressively adjusting the upstream data of the E-DCH carrying on the Iub mouth arrives normal level.
Fig. 4 strengthens the composition structural representation that strengthens the control system of dedicated channel uplink congestion under the CELL_FACH state for the present invention; As shown in Figure 4; The present invention strengthens under the CELL_FACH state the said system of control system that strengthens the dedicated channel uplink congestion and comprises the acquiring unit 40 be located in the network control network element, confirms unit 41 and notification unit 42, and is located at the adjustment unit 43 in the base station; Wherein,
Acquiring unit 40 is used to obtain the E-DCH Frame;
Confirm unit 41, be used for FSN, and/or subframe numbers and CFN determine whether congested according to said E-DCH Frame;
Notification unit 42 is used for the congestion state informing base station;
Adjustment unit 43 is used for the upstream data traffic volume of carrying according to said congestion state adjustment E-DCH.
Above-mentioned network control network element is CRNC; Above-mentioned acquiring unit 40 carries the E-DCH Frame that receives the base station transmission through Iub mouth E-DCH further, and wherein, said E-DCH Frame comprises FSN, and/or, subframe numbers and CFN information.
Whether above-mentioned definite unit 41 judges continuously according to FSN whether said Iub port transmission bearing LOF occurs further; And/or, judge according to CFN, subframe numbers and RFN whether said Iub port transmission bearing frame occurs and delay, and said Iub port transmission bearing LOF both do not occurred and do not occurred frame delay yet, and then said Iub port transmission bearing does not have congested.
At this moment, notification unit 42 is notified said base station through said Iub mouth E-DCH carrying with the congestion state of said Iub port transmission bearing further;
Above-mentioned adjustment unit 43 according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth common E-DCH carries further.
Perhaps, above-mentioned network control network element is SRNC; DRNC receives the E-DCH Frame that send the base station through Iub mouth E-DCH carrying, and above-mentioned acquiring unit 40 carries corresponding Iur mouth E-DCH carrying through said Iub mouth E-DCH and sends to SRNC further; Wherein, Said E-DCH Frame comprises FSN, and/or, subframe numbers and CFN information.
In this case, whether above-mentioned definite unit 41 judges continuously according to FSN whether said Iub/Iur port transmission bearing LOF occurs further; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub/Iur port transmission bearing frame occurs and delay; When said Iub/Iur port transmission bearing LOF both do not occurred and frame delay do not occurred yet; Then said Iub/Iur port transmission bearing does not have congested, otherwise said Iub/Iur port transmission bearing is congested.
In this case, above-mentioned notification unit 42 is notified said DRNC through said Iur mouth E-DCH carrying with the congestion state of said Iub/Iur port transmission bearing further; Said DRNC carries corresponding Iub mouth E-DCH through said Iur mouth E-DCH and carries said congestion state informing base station;
Above-mentioned adjustment unit 43 according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth E-DCH carries further, thus the upstream data traffic volume that the adjustment Iur mouth E-DCH corresponding with said Iub mouth carries.
Those skilled in the art are to be understood that; The control system that the present invention's enhancing CELL_FACH state shown in Figure 4 strengthens the dedicated channel uplink congestion down is for realizing that the control method that aforesaid enhancing CELL_FACH state strengthens the dedicated channel uplink congestion down designs, and the realization function of above-mentioned each processing unit can be understood with reference to the associated description of preceding method.The function of each processing unit among the figure can realize through the program that runs on the processor, also can realize through concrete logical circuit.Certainly, the present invention is not limited to above-mentioned congestion state and corresponding value thereof, can also be other value, as long as can indicate the concrete state of current congestion.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (15)
1. one kind strengthens the congested control method of dedicated channel, it is characterized in that said method comprises:
Strengthening under the CELL_FACH state; After the network control network element obtains and strengthens dedicated channel (E-DCH) Frame, according to the number of frames (FSN) in the said E-DCH Frame, and/or; Subframe numbers (SubFrameNo) and public frame number (CFN) determine whether congested, and with the congestion state informing base station;
The upstream data traffic volume that carry according to said congestion state adjustment E-DCH said base station.
2. method according to claim 1 is characterized in that, said network control network element is control radio network controller (CRNC).
3. method according to claim 2 is characterized in that, the network control network element determines whether congested being specially:
Whether said CRNC judges continuously according to FSN whether said Iub port transmission bearing LOF occurs; And/or; Judge according to CFN, subframe numbers and radio network controller frame number (RFN) whether said Iub port transmission bearing frame occurs and delay; Said Iub port transmission bearing LOF both do not occurred and had not occurred frame delay yet; Then said Iub port transmission bearing does not have congested, otherwise said Iub port transmission bearing is congested.
4. according to claim 2 or 3 described methods, it is characterized in that, said the congestion state informing base station be specially:
Said CRNC carries the congestion state informing base station with said Iub port transmission bearing through said Iub mouth E-DCH;
The upstream data traffic volume that said Iub mouth E-DCH carries is adjusted according to said congestion state in said base station.
5. method according to claim 1 is characterized in that, said network control network element is service wireless network controller (SRNC).
6. method according to claim 5 is characterized in that, said network control network element obtains the E-DCH Frame and is specially:
Floating radio network controller (DRNC) carries through Iub mouth E-DCH and receives the E-DCH Frame that send the base station; And carry corresponding Iur mouth E-DCH through said Iub mouth E-DCH and carry and send to SRNC, wherein, said E-DCH Frame comprises FSN; And/or, subframe numbers and CFN information.
7. method according to claim 5 is characterized in that, the network control network element determines whether congested being specially:
Whether said SRNC judges continuously according to FSN whether said Iub/Iur port transmission bearing LOF occurs; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub/Iur port transmission bearing frame occurs and delay; Said Iub/Iur port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub/Iur port transmission bearing does not have congested, otherwise said Iub/Iur port transmission bearing is congested.
8. according to each described method of claim 5 to 7, it is characterized in that, said the congestion state informing base station be specially:
Said SRNC carries through said Iur mouth E-DCH and notifies said DRNC with the congestion state of said Iub/Iur port transmission bearing;
Said DRNC carries corresponding Iub mouth E-DCH through said Iur mouth E-DCH and carries said congestion state informing base station;
The upstream data traffic volume that said Iub mouth E-DCH carries is adjusted according to said congestion state in said base station, thus the upstream data traffic volume that the adjustment Iur mouth E-DCH corresponding with said Iub mouth carries.
9. one kind strengthens the congested control system of dedicated channel, it is characterized in that, said system comprises the acquiring unit be located in the network control network element, confirms unit and notification unit, and is located at the adjustment unit in the base station; Wherein,
Acquiring unit is used to obtain the E-DCH Frame;
Confirm the unit, be used for FSN, and/or subframe numbers and CFN determine whether congested according to said E-DCH Frame;
Notification unit is used for the congestion state informing base station;
Adjustment unit is used for the upstream data traffic volume of carrying according to said congestion state adjustment E-DCH.
10. system according to claim 9 is characterized in that, said network control network element is CRNC; Said acquiring unit carries the E-DCH Frame that receives the base station transmission further through Iub mouth E-DCH.
11. system according to claim 10 is characterized in that, whether said definite unit judges continuously according to FSN whether said Iub port transmission bearing LOF occurs further; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub port transmission bearing frame occurs and delay; Said Iub port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub port transmission bearing does not have congested, otherwise said Iub port transmission bearing is congested.
12. system according to claim 11 is characterized in that, said notification unit is notified said base station through said Iub mouth common E-DCH carrying with the congestion state of said Iub port transmission bearing further;
Said adjustment unit according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth common E-DCH carries further.
13. system according to claim 9 is characterized in that, said network control network element is SRNC; DRNC receives the E-DCH Frame that send the base station through Iub mouth E-DCH carrying, and said acquiring unit carries corresponding Iur mouth E-DCH carrying through said Iub mouth E-DCH and sends to SRNC further.
14. system according to claim 13 is characterized in that, whether said definite unit judges continuously according to FSN whether said Iub/Iur port transmission bearing LOF occurs further; And/or; Judge according to CFN, subframe numbers and RFN whether said Iub/Iur port transmission bearing frame occurs and delay; Said Iub/Iur port transmission bearing LOF both do not occurred and had not occurred frame delay yet, and then said Iub/Iur port transmission bearing does not have congested, otherwise said Iub/Iur port transmission bearing is congested.
15., it is characterized in that said notification unit is notified said DRNC through said Iur mouth E-DCH carrying with the congestion state of said Iub/Iur port transmission bearing further according to claim 13 or 14 described systems; Said DRNC carries corresponding Iub mouth E-DCH through said Iur mouth E-DCH and carries said congestion state informing base station;
Said adjustment unit according to said congestion state, is adjusted the upstream data traffic volume that said Iub mouth E-DCH carries further, thus the upstream data traffic volume that the adjustment Iur mouth E-DCH corresponding with said Iub mouth carries.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105188625A CN102457898A (en) | 2010-10-25 | 2010-10-25 | Method and system for controlling congestion of enhanced dedicated channel (E-DCH) |
| PCT/CN2011/075098 WO2012055239A1 (en) | 2010-10-25 | 2011-06-01 | Method for controlling enhanced dedicated channel congestion and system thereof |
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| CN2010105188625A CN102457898A (en) | 2010-10-25 | 2010-10-25 | Method and system for controlling congestion of enhanced dedicated channel (E-DCH) |
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| CN2010105188625A Pending CN102457898A (en) | 2010-10-25 | 2010-10-25 | Method and system for controlling congestion of enhanced dedicated channel (E-DCH) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014131198A1 (en) * | 2013-03-01 | 2014-09-04 | 华为技术有限公司 | Congestion uplink control method, device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103209438B (en) * | 2013-04-24 | 2015-07-22 | 大唐移动通信设备有限公司 | Method and device for controlling load of radio network controller (RNC) |
| CN104507119B (en) * | 2014-11-26 | 2018-09-14 | 无锡儒安科技有限公司 | A kind of radio sensor network data collection method based on concurrent transmission |
| CN106788898A (en) * | 2016-12-30 | 2017-05-31 | 深圳市优必选科技有限公司 | Frame transmission method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101124838A (en) * | 2005-01-14 | 2008-02-13 | 艾利森电话股份有限公司 | Uplink congestion detection and control between nodes in a radio access network |
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| EP1901493A1 (en) * | 2006-09-14 | 2008-03-19 | Siemens S.p.A. | Controlling congestion over a non-serving branch |
| CN101296174A (en) * | 2007-04-24 | 2008-10-29 | 中兴通讯股份有限公司 | Method for informing congestion of high-speed packet access service at Iub/Iur port |
| US8369221B2 (en) * | 2007-11-01 | 2013-02-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient flow control in a radio network controller (RNC) |
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| CN101124838A (en) * | 2005-01-14 | 2008-02-13 | 艾利森电话股份有限公司 | Uplink congestion detection and control between nodes in a radio access network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014131198A1 (en) * | 2013-03-01 | 2014-09-04 | 华为技术有限公司 | Congestion uplink control method, device and system |
| CN104770000A (en) * | 2013-03-01 | 2015-07-08 | 华为技术有限公司 | Congestion uplink control method, device and system |
| CN104770000B (en) * | 2013-03-01 | 2019-03-05 | 华为技术有限公司 | Congestion upload control method and apparatus and system |
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