CN102811109A - Method and system for detecting loss of service frames of uplinking enhanced dedicated channel - Google Patents
Method and system for detecting loss of service frames of uplinking enhanced dedicated channel Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/34—Flow control; Congestion control ensuring sequence integrity, e.g. using sequence numbers
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Abstract
The invention discloses a method for detecting loss of service frames of an uplinking enhanced dedicated channel (E-DCH). The method includes loading independent keeping frame sequence numbers on each transmission in a node B (Node B), transmitting a data frame with the frame sequence numbers to a service radio network controller (SRNC); judging whether frames loaded on the transmission are lost by the SRNC according to the received frame sequence numbers in the data frames. The invention further discloses a system for detecting loss of service frames of the uplinking E-DCH. By the aid of the method and the system, frame loss detection is more reasonable in the process of transmission congestion detection and indication for E-DCH data by means of frame sequence numbers, particularly in a multiplexing transmission loading mode, and load to the system is reduced.
Description
Technical field
The present invention relates to strengthen dedicated channel transmission congestion detection and indication technology, be meant a kind of method and system that the ascending reinforced special channel traffic frame is lost that detects especially.
Background technology
Third generation partner program (The 3rd Generation Partnership Project; 3GPP) in Release 9 versions, introduce two carrier wave High Speed Uplink Packet and inserted (Dual-Cell High Speed Uplink Packet Access; DC-HSUPA); Utilize two up adjacent carriers, promptly Your Majesty's row carrier wave and auxilliary up-link carrier improve upstream bandwidth.(User Equipment UE), can send the HSUPA data at Your Majesty's row carrier wave and auxilliary up-link carrier simultaneously for having the subscriber equipment that sends the DC-HSUPA ability.
On the other hand, up being carried on strengthened dedicated channel (for example: aforementioned DC-HSUPA is professional, and is when promoting the Packet Service peak rate greatly, increasing to ground transmission bandwidth demand for Enhanced-Dedicated Channel, E-DCH) business.Therefore in Release 6 versions, (Frame Protocol has introduced congestion detection and congested indicating mechanism in FP) to the interface between network element (Iub/Iur mouth) Frame Protocol.Fig. 1 is Node B (NodeB) and service wireless network controller (Serving Radio Network Controller in the existing E-DCH business; SRNC) the congested control sketch map of transmission between; As shown in Figure 1, on the transmission bearer of certain E-DCH MAC flow data, data receiver; Be NodeB; Carry the eat dishes without rice or wine up time of reception parameter and the frame number (FSN) of data when sending the E-DCH Frame, wherein, the up time of reception parameter of eating dishes without rice or wine comprises: Connection Frame Number (CFN), subframe numbers (Subframe No.).The data receiver, i.e. RNC, through detecting the time difference of adjacent two data frame, whether the judgment data transmission data frame delays takes place; Whether the frame number that detects the adjacent two data frame is continuous, judges whether to take place admission control.If frame delay or LOF take place, data receiver RNC sends the congested indication frame of transmission and gives transmit leg NodeB, lets transmit leg know the congestion condition on this direction transmission channel, and the adjustment follow-up data sends strategy.
Professional to many sub-districts E-DCH; For example: DC-HSUPA is professional, and 3GPP is that the transmission bearer between NodeB and the SRNC has disposed two kinds of transmission bearer patterns (transport bearer mode): independent transmission bearing mode (separate Iub transport bearer mode) and multiplexing transmission bearing mode (E-DCH UL flow multiplexing mode).Said two kinds of transmission bearer patterns select by SRNC and through the base station application part agreement (NodeB Application Part, NBAP) signaling disposes to NodeB; The E-DCH data transmission characteristics is following under two kinds of transmission modes:
1. in the independent transmission bearing mode, NodeB receives from certain the MAC-dflow data under the up different carrier, issues SRNC through the transmission bearer of different NodeB to SRNC respectively; The E-DCH data of eating dishes without rice or wine of the upstream data that is equivalent to a transmission bearer corresponding " carrier wave under a MAC-d flow ";
2. in the multiplexing transmission bearing mode, NodeB is received from up all carrier waves, i.e. main carrier and auxilliary carrier wave, under certain MAC-d flow data, issue SRNC through the transmission bearer of a NodeB to SRNC; The E-DCH data of eating dishes without rice or wine that are equivalent to the upstream data corresponding " MAC-d flow under a plurality of carrier waves " of a transmission bearer.
Further, 3GPP has proposed to need to safeguard FSN to each carrier wave to the congestion detection under the multiplexing transmission bearing mode in the E-DCH business of many sub-districts.Particular content can be explained with reference to the cell FSN in 3GPP TS 25.427V9.0.0 (2009-12) the Iub/Iur mouth Frame Protocol: In case E-DCH UL flow multiplexing mode is used for secondary E-DCH, Node B shall set the value per carrier..But E-DCH is transmitted the description of congestion detection and congested indicating mechanism according to the front: this congestion detection and deixis are monitoring and the flow controls of carrying out to all data in the single transmission between NodeB and the SRNC, so 3GPP can not assist to accomplish the transmission congestion detection and the deixis of E-DCH data well to the definition of FSN in the multiplexing transmission bearing mode.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method and system that the ascending reinforced special channel traffic frame is lost that detects, and can be good at accomplishing the detection of LOF of the E-DCH data of multiplexing transmission bearing mode.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method that up E-DCH traffic frame is lost that detects, said method comprises:
In NodeB,, said frame number is sent to SRNC by each transmission bearer independent maintenance frame number;
SRNC judges according to the frame number that receives whether said transmission bearer LOF takes place.
Wherein, before said each transmission bearer independent maintenance frame number, also comprise: the transmission bearer mode of SRNC configuring E-DCH data; Wherein, said transmission bearer mode comprises: independent transmission bearing mode or multiplexing transmission bearing mode.
Wherein, said each transmission bearer independent maintenance frame number comprises:
When being configured to the independent transmission bearing mode, each transmission bearer independent maintenance frame number separately of corresponding each carrier wave;
When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.
Wherein, said in NodeB, by each transmission bearer independent maintenance frame number, said frame number is sent to SRNC, comprising:
NodeB for it is provided with continuous frame number FSN, is carried at FSN in the E-DCH DATA FP TYPE2 data block behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and sends to SRNC, accomplishes until the business transmission; Wherein, the scope of FSN is 0 to 15.
Wherein, said SRNC judges that according to the frame number that receives whether said transmission bearer LOF takes place, and is specially:
Whether initialization expectation sequence number EXP_FSN is 0, and its scope is 0 to 15, after receiving frame number, judge consistently with EXP_FSN, and unanimity then adds up 1 to EXP_FSN, and returns the continuation reception; If inconsistent then transmission shake overtime timer is set, then before receive the frame number consistent at timer with EXP_FSN, then EXP_FSN is added up 1, and return and continue reception; If timer is then, do not receive the frame number consistent yet with EXP_FSN, LOF then takes place.
The present invention also provides a kind of system that up E-DCH traffic frame is lost that detects, and said system comprises: SRNC and NodeB, wherein,
Said SRNC is used for judging according to the frame number that receives whether said transmission bearer LOF takes place;
Said NodeB is used for each transmission bearer independent maintenance frame number is sent to SRNC.
Wherein, said SRNC also is used for the up transmission bearer mode of configuring E-DCH data; Wherein, said transmission bearer mode comprises: independent transmission bearing mode or multiplexing transmission bearing mode.
Wherein, each transmission bearer independent maintenance frame number among the said NodeB comprises:
When being configured to the independent transmission bearing mode, each transmission bearer independent maintenance frame number separately of corresponding each carrier wave;
When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.
Wherein, said NodeB sends to SRNC with each transmission bearer independent maintenance frame number, comprising:
NodeB for it is provided with continuous FSN, is carried at FSN in the E-DCH DATA FP TYPE2 data block behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and sends to SRNC, accomplishes until the business transmission; Wherein, the scope of FSN is 0 to 15.
The method and system that detection ascending reinforced special channel traffic frame provided by the present invention is lost in NodeB, by each transmission bearer independent maintenance frame number, sends to SRNC with said frame number; SRNC judges according to the frame number that receives whether said transmission bearer LOF takes place.Wherein, By each transmission bearer independent maintenance frame number; Avoided situation, made and utilize frame number to accomplish in the process of transmission congestion detection and deixis of E-DCH data, particularly under the multiplexing transmission bearing mode to each carrier wave maintenance frame sequence number; The mode of detection of loss of frames is more reasonable, reduces the load of system.
Description of drawings
Fig. 1 is for transmitting congested control sketch map between NodeB and the SRNC in the existing E-DCH business;
Fig. 2 method flow sketch map that up E-DCH traffic frame is lost for the present invention detects;
Fig. 3 system configuration sketch map that up E-DCH traffic frame is lost for the present invention detects.
Embodiment
After basic thought of the present invention is the transmission bearer mode of SRNC configuring E-DCH data, in NodeB,, said frame number is sent to SRNC by each transmission bearer independent maintenance frame number; SRNC judges according to the frame number that receives whether said transmission bearer LOF takes place.
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further set forth in detail.
Fig. 2 method flow sketch map that up E-DCH traffic frame is lost for the present invention detects, as shown in Figure 2, said method comprises:
Concrete, the up transmission bearer mode of said configuration comprises: independent transmission bearing mode or multiplexing transmission bearing mode.Said E-DCH data are meant the data of many sub-districts E-DCH professional (Multi Cell E-DCHoperation).Said step 201 is the realization background of this method, and the practical operation step is step 202 and step 203.
Concrete, said each transmission bearer independent maintenance frame number comprises: when being configured to the independent transmission bearing mode, and each transmission bearer independent maintenance frame number separately of corresponding each carrier wave; When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.Said maintenance frame sequence number is specially: NodeB is behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and for it is provided with continuous FSN, and the scope of FSN is 0 to 15.The said mode that frame number is sent to SRNC is: frame number is carried among the E-DCHDATA FP TYPE2, sends to SRNC.Wherein, said E-DCH DATA FP TYPE2 can know that according to the regulation of agreement the scope of FSN is 0 to 15.
Further, said in NodeB, by each transmission bearer independent maintenance frame number, said frame number is sent to SRNC, comprising:
Step 202a, NodeB initializing set frame number D_FSN is 0, and sets its scope;
Concrete, the scope of said frame number is set at the numerical value greater than 15.Reason is that the scope of aforementioned FSN is 0 to 15.Preferred scheme can be to 4 byte longs, i.e. 32 integers, the data (DWORD data) of numeral, then scope corresponds to 0 to 2^32-1;
After step 202b, NodeB received the upstream data of the carrier wave of eating dishes without rice or wine, the corresponding transmission bearer of the carrier wave of eating dishes without rice or wine was got value behind the remainder as FSN with D_FSN by 16; Be carried in the E-DCH DATA FP TYPE2 data block; Send to SRNC, and D_FSN is added up 1, accomplish until the business transmission.
Wherein, said D_FSN is got value behind the remainder as FSN by 16, be since as previously mentioned among the E-DCHDATA FP TYPE2 scope of FSN be 0 to 15, therefore D_FSN can be guaranteed that as FSN it is in 0 to 15 by 16 values of getting behind the remainder.For example: initialization D_FSN is 0, and then D_FSN is 0 by 16 values (FSN) of getting behind the remainder; Add up after 1, when D_FSN is 1, then D_FSN is 1 by 16 values (FSN) of getting behind the remainder; Be added to 15 until D_FSN, then D_FSN is 15 by 15 values (FSN) of getting behind the remainder; Add up after 1, when D_FSN is 16, then D_FSN is 0 by 16 values (FSN) of getting behind the remainder once more, and the rest may be inferred.
Further need to prove, D_FSN is set and gets value behind the remainder as FSN by 16, only is a kind of optimal way of realizing the FSN numbering; Its purpose is to make the regulation of the FSN protocol compliant among the E-DCH DATA FP TYPE2; Therefore, in the process of maintenance frame sequence number, only need guarantee that frame number is the integer of serial number; And scope is in 0 to 15 and gets final product, and the concrete mode of writing is: 0 to 15 circulation is write.
Concrete, said SRNC judges according to the frame number that receives whether said transmission bearer LOF takes place; Be specially: initialization expectation sequence number EXP_FSN is 0; Whether its scope is 0 to 15, after receiving frame number, judge consistent with EXP_FSN; Unanimity then adds up 1 to EXP_FSN, and returns and continue to receive; If inconsistent then transmission shake overtime timer T is set, then before receive the FSN consistent at timer with EXP_FSN, then EXP_FSN is added up 1, and return and continue reception; If timer is then, do not receive the FSN consistent yet with EXP_FSN, LOF then takes place.Further after LOF took place, SRNC sent TNL CONGESTION IND and gives NodeB, and suspension time is set, and the suspension time continued receives FSN.Wherein, after NodeB receives TNL CONGESTION IND, self transmit operation is adjusted accordingly.The purpose that suspension time is set is, gives NodeB the enough adjustment time.Said step 203 is further comprising the steps of:
Step 203a, SRNC initialization expectation sequence number EXP_FSN is 0, its scope is 0 to 15;
Step 203b after receiving frame number FSN, judges whether FSN is consistent with EXP_FSN, if consistent, execution in step 203c then, inconsistent then execution in step 203d;
Step 203c carries out other operation of Frame Protocol (FP) layer, and EXP_FSN is added up 1, execution in step 203b;
Step 203d, inconsistent EXP_FSN of buffer memory and FSN, and transmission shake overtime timer T is set; If T then before, receive the FSN consistent with the EXP_FSN of buffer memory, then Frame is not lost; Carry out other operation of FP layer, and EXP_FSN is added up 1, execution in step 203b; If T then; Do not receive the FSN consistent yet, then send TNL CONGESTION IND and give NodeB, and renewal EXP_FSN is the FSN of the minimum of buffer memory with EXP_FSN; Handle other FSN of buffer memory; Sort and successfully then carry out other operation of FP layer successively, and EXP_FSN is added up 1, accomplish until the business transmission.
Below in conjunction with specific embodiment the present invention is carried out further setting forth in detail.
Embodiment 1 has detailed like the method for abovementioned steps 201 and step 202 and has used the multiplexing transmission bearing mode, and the method to set up of FSN among the concrete E-DCH DATA FP TYPE2 may further comprise the steps:
Step 1010, professional NodeB to the SRNC transmission bearer of certain UE DC-HSUPA of SRNC configuration is " a multiplexing transmission bearing mode ";
Concrete, the configuration of said multiplexing transmission bearing mode can be UL Flow Multiplexing Mode with reference to NBAP cell Multicell E-DCH Transport Bearer Mode.Behind the said configuring transmission carrier, the transmission bearer (being designated as TB1) between the NodeB to SRNC is used to transmit certain the E-DCH MAC flow1 data of each carrier wave of eating dishes without rice or wine; This transmission bearer maintenance frame sequence number D_FSN: initialization 0, scope can be that DWORD corresponding 0 is to 2^32-1.
Step 1015, the FSN scope among the E-DCH DATA FP TYPE2 is 0-15, corresponding transmission bearer maintenance frame sequence number D_FSN specifically describes as follows by 16 values of getting behind the remainder:
Step 1020:NodeB receives the upstream data of E-DCH MAC flow1 in the carrier wave 1 of eating dishes without rice or wine, and then on TB 1, sends corresponding E-DCH DATA FP TYPE2 and give SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 0 by 16 values of getting after surplus; The D_FSN of this transmission bearer TB1 maintenance adds 1 on former D_FSN basis then, is 1.
Step 1030, NodeB receives the upstream data of E-DCH MAC flow1 in the carrier wave 2 of eating dishes without rice or wine, and then on TB1, sends corresponding E-DCH DATA FP TYPE2 and give SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 1 by 16 values of getting after surplus; The D_FSN of this transmission bearer TB1 maintenance adds 1 on former D_FSN basis then, is 2.
Step 1040, NodeB continues to receive the upstream data of E-DCH MAC flow1 in each carrier wave of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then successively and gives SRNC;
Wherein, FSN is 2,3, until 14; Accordingly, the D_FSN that this transmission bearer TB1 safeguards adds 1 successively on former D_FSN basis, be followed successively by 3,4, until 15.
Step 1050, NodeB continues to receive the upstream data of E-DCH MAC flow1 in each carrier wave of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then and gives SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 15 by 16 values of getting after surplus; The D_FSN that this transmission bearer TB1 safeguards adds 1 on former D_FSN basis, be 16.
Step 1060, NodeB continues to receive the upstream data of E-DCH MAC flow1 in each carrier wave of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then successively and gives SRNC;
Wherein, FSN for the D_FSN that safeguards on this transmission bearer TB 1 by 16 values of getting after surplus, be 0; The D_FSN that this transmission bearer TB1 safeguards adds 1 successively on former D_FSN basis, be 17.
Step 1070, SRNC receives the E-DCH DATAFP TYPE2 of this NodeB-SRNC transmission bearer TB 1 successively, according to whether transmit frame is lost on this transmission bearer of FSN information detection wherein.
Concrete, the LOF detection method of SRNC is with reference to follow-up embodiment 3.
Embodiment 2 has detailed like the method for abovementioned steps 201 and step 202 and has used the independent transmission bearing mode, and the method to set up of FSN among the concrete E-DCH DATA FP TYPE2 may further comprise the steps:
Step 2010, professional NodeB to the SRNC transmission bearer of certain UE DC-HSUPA of SRNC configuration is " an independent transmission bearing mode ";
Concrete, the configuration of said independent transmission bearing mode can be Separate Iub Transport Bearer Mode with reference to NBAP cell Multicell E-DCH Transport Bearer Mode.Behind the said configuring transmission carrier, establish 2 transmission bearers between the NodeB to SRNC respectively: transmission bearer 1 (being designated as TB1) correspondence the eat dishes without rice or wine corresponding MAC flow of E-DCH carrier wave 2 of certain MAC flow, transmission bearer 2 (the being designated as TB2) correspondence of E-DCH carrier wave 1 that eats dishes without rice or wine; Each transmission bearer independent maintenance frame number D_FSN: initialization 0, scope can be that DWORD corresponding 0 is to 2^32-1.
Step 2015, the FSN scope among the E-DCH DATA FP TYPE2 is 0-15, corresponding transmission bearer maintenance frame sequence number D_FSN specifically describes as follows by 16 values of getting behind the remainder:
Step 2020, NodeB receives the upstream data of E-DCH MAC flow in the carrier wave 1 of eating dishes without rice or wine, and then on TB1, sends corresponding E-DCH DATA FP TYPE2 and give SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 0 by 16 values of getting after surplus; The D_FSN of this transmission bearer TB1 maintenance adds 1 on former D_FSN basis then, is 1.
Step 2030, NodeB receives the upstream data of E-DCH MAC flow in the carrier wave 2 of eating dishes without rice or wine, and then on TB2, sends corresponding E-DCH DATA FP TYPE2 and give SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB2 is 0 by 16 values of getting after surplus; The D_FSN of this transmission bearer TB2 maintenance adds 1 on former D_FSN basis then, is 1.
Step 2040, NodeB continues to receive the upstream data of E-DCH MAC flow1 in the carrier wave 1 of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then successively and gives SRNC;
Wherein, FSN is 2,3, until 14; Accordingly, the D_FSN that this transmission bearer TB1 safeguards adds 1 successively on former D_FSN basis, be followed successively by 3,4, until 15.
Step 2050, NodeB continues to receive the upstream data of E-DCH MAC flow1 in the carrier wave 1 of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then successively and gives SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 15 by 16 values of getting after surplus; The D_FSN that this transmission bearer TB1 safeguards adds 1 on former D_FSN basis, be 16.
Step 2060, NodeB continues to receive the upstream data of E-DCH MAC flow1 in the carrier wave 1 of eating dishes without rice or wine, sends E-DCH DATA FP TYPE2 then successively and gives SRNC;
Wherein, the D_FSN that FSN go up to safeguard for this transmission bearer TB1 is 0 by 16 values of getting after surplus; The FSN that this transmission bearer TB1 safeguards adds 1 successively on former D_FSN basis, be 17.
Step 2070, NodeB receives the upstream data of E-DCH MAC flow1 in the carrier wave 2 of eating dishes without rice or wine, sends corresponding E-DCH DATA FP TYPE2 from transmission bearer TB2 then and gives SRNC;
Wherein, the FSN set-up mode is with the method to set up on the transmission bearer 1.
Step 2080, SRNC receives the E-DCHDATA FP TYPE2 of this NodeB-SRNC transmission bearer TB1 or TB2 successively, detects according to wherein FSN information whether transmit frame is lost on this transmission bearer TB1 or the TB2.
Concrete, the LOF detection method of SRNC is with reference to follow-up embodiment 3.
Embodiment 3 has detailed the method like abovementioned steps 203, and this method is a kind of method that SRNC detects LOF on certain NodeB to SRNC transmission bearer, does not get rid of the method that has other LOFs to detect.Such as SRNC being received E-DCH FP frame frequency degree height and the bigger scene of IUB transmission shake, also need combine the time of reception (with reference to CFN and Subframe No) of E-DCH FP to carry out the LOF detection.Concrete SRNC detects the method for LOF on certain NodeB-SRNC transmission bearer, may further comprise the steps:
Step 3010, SRNC sets up between the NodeB-SRNC behind the transmission bearer TB1, and initialization expectation receive sequence number (being designated as EXP_FSN) is 0; Scope 0 to 15;
Step 3020, SRNC receives the E-DCH DATA FP TYPE2 on the TB1, and therefrom obtaining frame number FSN is 0;
Step 3030, this FP FSN (0) is consistent with EXP_FSN (0), explains that the E-DCH DATA FP TYPE2 of this transmission bearer TB1 is not out of order, then carries out other operation of FP layer, and upgrading EXP_FSN simultaneously is 1;
Step 3040, SRNC receives the E-DCH DATA FP TYPE2 on the TB1, and therefrom obtaining frame number FSN is 1;
Step 3050, this FP FSN (1) is consistent with EXP_FSN (1), explains that the E-DCH DATA FP TYPE2 of this transmission bearer TB1 is not out of order, then carries out other operation of FP layer, and upgrading EXP_FSN simultaneously is 2;
Step 3060, SRNC receives the E-DCH DATA FP TYPE2 on the TB1, and therefrom obtaining frame number FSN is 3;
Step 3070, this FP FSN (3) and EXP_FSN (2) are inconsistent, and a transmission shake overtime timer T then is set;
Concrete, the transmission shake time correlation of the actual capabilities on this timer length and the transmission bearer TB1.
Step 3080, SRNC receives the new E-DCH DATA FP TYPE2 on the TB1 in timer T, its FSN=2, then to be regarded as E-DCH FP not out of order for SRNC, and then carry out other operation of FP layer, and upgrading EXP_FSN simultaneously is 3;
Step 3090, other FP in the E-DCH buffer memory of SRNC processing TB1 find the FP consistent with EXP_FSN (3) (refer step 3060), then carry out other operation of FP layer, and upgrading EXP_FSN simultaneously is 4;
Step 3100, SRNC receives the E-DCH DATA FP TYPE2 on the TB1, and therefrom obtaining frame number FSN is 5;
Step 3110, this FP FSN (5) and EXP_FSN (4) are inconsistent, and a transmission shake overtime timer T then is set once more;
Step 3120, SRNC receives the new E-DCH DATA FP TYPE2 on the TB 1, its FSN=6, then this FP of SRNC buffer memory in timer T;
Step 3130; SRNC does not receive when timer T is overtime that sequence number is the E-DCH DATA FP TYPE2 of EXP_FSN (4) on the TB1; Then SRNC detects the up generation admission control of transmission bearer TB1; Then send TNL CONGESTION IND and give NodeB, the EXP_FSN of SRNC renewal simultaneously is the minimum FSN in the TB 1FP buffer memory, is 5;
Step 3135, SRNC sends and after TNL CONGESTION IND gives NodeB certain suspension time is set;
Step 3140, other FP (FSN is respectively two E-DCH DATA FP TYPE2 of 5,6) in the E-DCH buffer memory of SRNC processing TB1 sort and successfully carry out other operation of FP layer successively, and final updating EXP_FSN is 7;
Therefore step 3150, EXP_FSN scope are 0 to 15, and as SRNC after to have handled FSN be 15 E-DCH FP, renewal EXP_FSN is 0.
Fig. 3 system configuration sketch map that up E-DCH traffic frame is lost for the present invention detects, as shown in Figure 3, said system comprises: SRNC31 and NodeB32, wherein,
Said SRNC31 is used for judging according to the frame number that receives whether said transmission bearer LOF takes place;
Concrete, said SRNC31 judges according to the frame number that receives whether said transmission bearer LOF takes place; Be specially: initialization expectation sequence number EXP_FSN is 0; Whether its scope is 0 to 15, after receiving frame number, judge consistent with EXP_FSN; Unanimity then adds up 1 to EXP_FSN, and returns and continue to receive; If inconsistent then transmission shake overtime timer T is set, then before receive the FSN consistent at timer with EXP_FSN, then EXP_FSN is added up 1, and return and continue reception; If timer is then, do not receive the FSN consistent yet with EXP_FSN, LOF then takes place.Further after LOF took place, SRNC31 sent TNL CONGESTION IND and gives NodeB32, and suspension time is set, and the suspension time continued receives FSN.Wherein, after NodeB32 receives TNL CONGESTIONIND, self transmit operation is adjusted accordingly.The purpose that suspension time is set is, gives NodeB32 the enough adjustment time.
Said NodeB32 is used for each transmission bearer independent maintenance frame number is sent to SRNC31.
Concrete, said each transmission bearer independent maintenance frame number comprises: when being configured to the independent transmission bearing mode, and each transmission bearer independent maintenance frame number separately of corresponding each carrier wave; When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.Said maintenance frame sequence number is specially: NodeB is behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and for it is provided with continuous FSN, and the scope of FSN is 0 to 15.The said mode that frame number is sent to SRNC31 is: frame number is carried among the E-DCH DATA FP TYPE2, sends to SRNC31.Wherein, said E-DCH DATA FPTYPE2 can know that according to the regulation of agreement the scope of FSN is 0 to 15.Said NodeB32 sends to SRNC31 with each transmission bearer independent maintenance frame number, comprising: NodeB32 initializing set frame number D_FSN is 0, and sets its scope; After NodeB32 receives the upstream data of the carrier wave of eating dishes without rice or wine; The corresponding transmission bearer of carrier wave of eating dishes without rice or wine is got value behind the remainder as FSN with D_FSN by 16, is carried in the E-DCH DATA FPTYPE2 data block, sends to SRNC31; And D_FSN added up 1, accomplish until the business transmission.
Further, said SRNC31 also is used for the up transmission bearer mode of configuring E-DCH data.
Concrete, the up transmission bearer mode of said configuration comprises: independent transmission bearing mode or multiplexing transmission bearing mode.Said E-DCH data are meant the data that many sub-districts E-DCH is professional.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (10)
1. one kind is detected the method that ascending reinforced special channel (E-DCH) traffic frame is lost, and it is characterized in that said method comprises:
In Node B (NodeB),, said frame number is sent to service wireless network controller (SRNC) by each transmission bearer independent maintenance frame number;
SRNC judges according to the frame number that receives whether said transmission bearer LOF takes place.
2. method according to claim 1 is characterized in that, before said each transmission bearer independent maintenance frame number, also comprises: the transmission bearer mode of SRNC configuring E-DCH data; Wherein, said transmission bearer mode comprises: independent transmission bearing mode or multiplexing transmission bearing mode.
3. method according to claim 2 is characterized in that, said each transmission bearer independent maintenance frame number comprises:
When being configured to the independent transmission bearing mode, each transmission bearer independent maintenance frame number separately of corresponding each carrier wave;
When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.
4. method according to claim 1 and 2 is characterized in that, and is said in NodeB, by each transmission bearer independent maintenance frame number, said frame number sent to SRNC, comprising:
NodeB for it is provided with continuous frame number FSN, is carried at FSN in the E-DCH DATA FP TYPE2 data block behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and sends to SRNC, accomplishes until the business transmission; Wherein, the scope of FSN is 0 to 15.
5. method according to claim 1 and 2 is characterized in that, said SRNC judges that according to the frame number that receives whether said transmission bearer LOF takes place, and is specially:
Whether initialization expectation sequence number EXP_FSN is 0, and its scope is 0 to 15, after receiving frame number, judge consistently with EXP_FSN, and unanimity then adds up 1 to EXP_FSN, and returns the continuation reception; If inconsistent then transmission shake overtime timer is set, then before receive the frame number consistent at timer with EXP_FSN, then EXP_FSN is added up 1, and return and continue reception; If timer is then, do not receive the frame number consistent yet with EXP_FSN, LOF then takes place.
6. one kind is detected the system that up E-DCH traffic frame is lost, and it is characterized in that said system comprises: SRNC and NodeB, wherein,
Said SRNC is used for judging according to the frame number that receives whether said transmission bearer LOF takes place;
Said NodeB is used for each transmission bearer independent maintenance frame number is sent to SRNC.
7. system according to claim 6 is characterized in that, said SRNC also is used for the up transmission bearer mode of configuring E-DCH data; Wherein, said transmission bearer mode comprises: independent transmission bearing mode or multiplexing transmission bearing mode.
8. system according to claim 7 is characterized in that, each transmission bearer independent maintenance frame number among the said NodeB comprises:
When being configured to the independent transmission bearing mode, each transmission bearer independent maintenance frame number separately of corresponding each carrier wave;
When being configured to the multiplexing transmission bearing mode, the single transmission bearer independent maintenance frame number of corresponding each carrier wave.
9. according to claim 6 or 7 described systems, it is characterized in that said NodeB sends to SRNC with each transmission bearer independent maintenance frame number, comprising:
NodeB for it is provided with continuous FSN, is carried at FSN in the E-DCH DATA FP TYPE2 data block behind the upstream data that receives the carrier wave of eating dishes without rice or wine, and sends to SRNC, accomplishes until the business transmission; Wherein, the scope of FSN is 0 to 15.
10. according to claim 6 or 7 described systems, it is characterized in that said SRNC judges that according to the frame number that receives whether said transmission bearer LOF takes place, and is specially:
Whether initialization expectation sequence number EXP_FSN is 0, and its scope is 0 to 15, after receiving frame number, judge consistently with EXP_FSN, and unanimity then adds up 1 to EXP_FSN, and returns the continuation reception; If inconsistent then transmission shake overtime timer is set, then before receive the frame number consistent at timer with EXP_FSN, then EXP_FSN is added up 1, and return and continue reception; If timer is then, do not receive the frame number consistent yet with EXP_FSN, LOF then takes place.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146185 CN102811109A (en) | 2011-06-01 | 2011-06-01 | Method and system for detecting loss of service frames of uplinking enhanced dedicated channel |
| PCT/CN2011/084512 WO2012163074A1 (en) | 2011-06-01 | 2011-12-23 | Method and system for detecting service frame loss of uplink enhanced-dedicated channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110146185 CN102811109A (en) | 2011-06-01 | 2011-06-01 | Method and system for detecting loss of service frames of uplinking enhanced dedicated channel |
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| CN 201110146185 Pending CN102811109A (en) | 2011-06-01 | 2011-06-01 | Method and system for detecting loss of service frames of uplinking enhanced dedicated channel |
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| WO (1) | WO2012163074A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561336A (en) * | 2018-12-27 | 2019-04-02 | 威创集团股份有限公司 | Distribution display synchronous method, apparatus and system |
| CN114220256A (en) * | 2020-09-03 | 2022-03-22 | 上海市环境科学研究院 | Gas sampling wireless control protocol |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100442925C (en) * | 2005-08-08 | 2008-12-10 | 大唐移动通信设备有限公司 | Terminal carrier frequency information interactive method between radio network controller of multiple carrier frequency system |
| CN101374040A (en) * | 2007-08-24 | 2009-02-25 | 大唐移动通信设备有限公司 | Method and apparatus for implementing multi-carrier district high speed data business transmission |
| CN101998680B (en) * | 2009-08-24 | 2016-01-13 | 中兴通讯股份有限公司 | The sending method of number of frames and Node B and service wireless network controller |
-
2011
- 2011-06-01 CN CN 201110146185 patent/CN102811109A/en active Pending
- 2011-12-23 WO PCT/CN2011/084512 patent/WO2012163074A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561336A (en) * | 2018-12-27 | 2019-04-02 | 威创集团股份有限公司 | Distribution display synchronous method, apparatus and system |
| CN114220256A (en) * | 2020-09-03 | 2022-03-22 | 上海市环境科学研究院 | Gas sampling wireless control protocol |
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| WO2012163074A1 (en) | 2012-12-06 |
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