CN102076021A - Transmission resource allocation method and equipment - Google Patents
Transmission resource allocation method and equipment Download PDFInfo
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Abstract
The invention discloses a transmission resource allocation method and transmission resource allocation equipment. The method comprises the following steps of: determining the transmission bandwidth quota of every cell in a set period; acquiring the actual data transmitting quantity of every cell in the period; and adjusting the transmission bandwidth quota of every cell in a next period according to the actual data transmitting quantity and the transmission bandwidth quota of every cell in the period. The requirement on the transmission bandwidth in a long-term evolution system can be reduced, and the transmission bandwidth can be shared among the cells of the same base station, so that the cost of operators can be effectively saved.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of transfer resource distribution method and equipment.
Background technology
Fig. 1 is LTE (Long Term Evolution, Long Term Evolution) network in general configuration diagram, as shown in the figure, in the network in general framework of LTE system, the S1 oral thermometer shows eNodeB (evolution base station) and MME (Mobility Management Entity, Mobility Management Entity)/and interface between the S-GW (Serving Gateway, gateway), the X2 oral thermometer shows the interface between eNodeB and adjacent eNodeB.UE (UserEquipment, subscriber equipment) and eNodeB communicate by eating dishes without rice or wine, and S1 mouth or X2 mouth communicate by transmission network.
A plurality of sub-districts are arranged in eNodeB equipment, such as 3 sub-districts, each sub-district is at the throughput of S1 mouth up direction (promptly from eNodeB to the MME/S-GW direction) MAC (MediaAccessControl by this sub-district, the medium access control) the service traffics F1 that dispatches according to the business datum situation of channel quality of eating dishes without rice or wine and UE, PDCP (Packet Data Convergence Protocol, packet data polymerized agreement) process S1 mouth sends to the flow F2 of the switching of target BS, S1AP (S1Application Protocol, the S1 interface application protocol) the signaling message flow quantity F3 that sends at the S1 mouth forms, such as for LTE-TDD (LTE-Time Division Duplex, the sub-frame formats of the 20MHz bandwidth LTE-time division duplex) is the sub-district under 2 on 2, consider multiuser MIMO (Multiple Input Multiple Output, multiple-input, multiple-output) the peak scooter of up direction is to 60Mbps the time, in the prior art, situation for 3 sub-districts, do not lose in order to guarantee data, then need to provide the delivery flow rate of 180Mbps, flow F2 for the flow F1 of this base station, F3 also needs to dispose the transmission bandwidth that use enough 3 sub-districts.
Similarly situation also occurs in the X2 mouth, the defeated flow of X2 oral instructions comprise UE between the base station during harmless the switching PDCP be dealt into the signaling traffic F5 that data traffic F4, the X2AP (X2 Application Protocol, X2 interface application protocol) of target BS send from source base station on the X2 mouth; F4 comprises that the downlink data packet Buddhist monk's no delivery attempted that is not dealt into UE as yet is to EPC (Evolved Packet Core, evolution block core net) upstream data bag, in order to guarantee not lost data packets, need also distribute the transmission bandwidth of 3 times of needs when single sub-district for the situation of 3 sub-districts for the X2 mouth.
The deficiencies in the prior art are: present allocated bandwidth mode exists the problem of the wasting of resources.
Summary of the invention
Technical problem solved by the invention is to provide a kind of transfer resource distribution method and equipment, transmits the resources effective assignment problem in order to the eNodeB that solves S1 mouth among the LTE on EPC direction and X2 mouth.
A kind of transfer resource distribution method is provided in the embodiment of the invention, has comprised the steps:
In setting cycle, determine the transmission bandwidth quota of each sub-district of this cycle;
Obtain the data traffic volume of each sub-district reality in this cycle;
According to each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle transmission bandwidth quota of following one-period.
A kind of transfer resource distributing equipment is provided in the embodiment of the invention, has comprised:
The cycle module is used to set the transmission bandwidth modulation of quotas cycle;
The quota module is used in setting cycle determining the transmission bandwidth quota of each sub-district of this cycle;
Actual quantity issued is used to obtain the data traffic volume of each sub-district reality in this cycle according to module;
The modulation of quotas module is used for according to each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle transmission bandwidth quota of following one-period.
Beneficial effect of the present invention is as follows:
Technical scheme by the embodiment of the invention provides can reduce the demand to transmission bandwidth among the LTE, transmission bandwidth is shared in each minizone of same base station used, thereby effectively save the cost of operator.
Description of drawings
Fig. 1 is a LTE network in general configuration diagram in the background technology;
Fig. 2 is a transfer resource distribution method implementing procedure schematic diagram in the embodiment of the invention;
Fig. 3 is the information interaction schematic diagram between M1, M2, M3, M4 in the embodiment of the invention;
Fig. 4 adjusts the implementing procedure schematic diagram of each cell transmission bandwidth quota for M1 module in the embodiment of the invention;
Fig. 5 distributes the implementing procedure schematic diagram of doing the details adjustment for M2 module in the embodiment of the invention to bandwidth of cell;
Fig. 6 is a transfer resource distributing equipment structural representation in the embodiment of the invention.
Embodiment
The inventor notices in the invention process:
Because the possibility that the uplink traffic demand of each sub-district of same base station all reaches maximum in the same moment is very little, similarly, it is maximum that the UE number that each sub-district of same base station switches simultaneously can not reach simultaneously yet, so present allocated bandwidth mode has produced waste to transfer resource.
On the other hand, because the situation that the factors such as transmission equipment fault of transmission network cause transfer resource to degrade and use is also very general, in this case, because the part transmission node fault in the transmission network causes distributing to the not enough former bandwidth of transfer resource of eNodeB, such as the situation that has dropped to 90Mbps from 180Mbps, present technology may cause data traffic to be transmitted net losing, thereby for flow F1 owing to passed to the base station from eating dishes without rice or wine, lost again and just wasted bandwidth of air-interface, for flow F2 and F4, having abandoned the packet that switches can make user experience very poor undoubtedly, then can cause the signaling procedure failure or postpone longly for flow F3 and F5, the situation that causes conversation loss or handoff failure etc. to have a strong impact on service quality occurs.
Given this, provide the transfer resource allocative decision in a kind of LTE system in the embodiment of the invention, in order to the eNodeB that solves S1 mouth among LTE transmission resources effective assignment problem on EPC direction and the X2 mouth.Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
Fig. 2 is a transfer resource distribution method implementing procedure schematic diagram, as shown in the figure, can comprise the steps:
In the enforcement, when in step 201, determining the transmission bandwidth quota of each sub-district of this cycle, it is the transmission bandwidth quota of determining with one of down-off or its combination, what obtain in step 201 so is the actual transmission data bulk of these flows, and what adjust in step 203 is the transmission bandwidth quotas of these flows of each sub-district in following one-period.
F (1): the S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
That is, in the throughput of S1 mouth up direction (promptly from eNodeB to the MME/S-GW direction) by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
F (2): the flow that process S1 mouth switches;
F (3): through the signaling message flow quantity of S1 mouth;
PDCP was dealt into the X2 mouth data traffic of target BS when F (4): UE can't harm switching between the base station from source base station;
F (5): the signaling traffic on the X2 mouth.
Establish eNodeB then and comprise N sub-district, consider to determine that current is V_F (k) (unit is the bits per second) for this eNodeB with the uplink transmission resource total amount after the factors such as each bandwidth of cell, spectrum efficiency, transfer resource deficiency, k value 1..5, the implication of F (k) is with reference to aforementioned definitions.
Fig. 3 is the information interaction schematic diagram between M1, M2, M3, M4, then Figure 3 shows that example, in the step 203, can be as follows according to the execution mode of the transmission bandwidth quota of each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle following one-period:
(1) a module M1 is set in eNodeB, receives notice, obtain above-mentioned parameter V_F (k), and the BYTES that is converted in the cycle U1 counts V_Bytes_F (k)=V_F (k) * U1/8 from the transmission network Operation ﹠ Maintenance System; In concrete the enforcement, consider that the total amount (V_F (k)) of transfer resource is a unit with bit/s usually, and the variable of back is that unit is in computing, so change 1Bytes=8bits here usually with the byte in the algorithm.
(2) in each sub-district of eNodeB a module M2 is set respectively, be used for cell i (0.. (N-1)) is measured: for F (k), k value 1..5, measuring amount comprises the actual data volume T (k) [i] (is unit with the byte) that sends among the cycle U1, in concrete the enforcement, can consider header overhead during statistics: for F1, F2 and F4 will add up GTP-U (GPRS Tunnelling Protocol for User plane, GPRS Tunnel Protocol-user's face; GPRS:General Packet Radio Service, GPRS)/expense of UDP (UserDatagram Protocol, User Datagram Protoco (UDP))/transport layer protocol heads such as IP; For will the add up expense of SCTP (Stream Control Transport Protocol, stream control transmission protocol)/transport layer protocol heads such as IP of F3 and F5; Also promptly, when the actual transmission data bulk that obtains with one of down-off or its combination, the expense of the GTP-U/UDP/IP transport layer protocol head that can add up:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station.
When the actual transmission data bulk that obtains with one of down-off or its combination, the expense of the SCTP/IP transport layer protocol head that can add up:
Signaling message flow quantity through the S1 mouth;
Signaling traffic on the X2 mouth.
(3) in each sub-district of eNodeB a module M3 is set respectively, is used for cell i (0.. (N-1)) is monitored the consumed byte number in this sub-district and adds up that deduction has expended byte number from quota in cycle U1;
(4) parameter received according to (1) of M1 module, determine the transmission bandwidth quota QuotaF (k) [i] of each cell initial, and satisfy:
QuotaF(k)[0]+QuotaF(k)[1]+...+QuotaF(k)[N-1]＝V_BYTES_F(k)；
(5) the M1 module is configured to above-mentioned quota QuotaF (k) [i] the M2 module of respective cell on the border of each cycle U1, and indicate whether and need do compensation (multiple reason is referring to the explanation in following (12)) to flow multiple in the last cycle, and to establish this cue mark in the enforcement be b; B value 0 when data volume T (k) [i] sum of the actual transmission of each sub-district is no more than V_BYTES_F (k); Otherwise value 1;
(6) M2 reports the measured value described in (2) to M1 by cycle U1, the T that M1 reports according to M2 (k) [i], determining whether increases or reduce quota for certain sub-district: if the QuotaF of cell i (k) [i]-T (k) [i]＜=deltaMin, then this sub-district adds set of cells A (k); Otherwise this sub-district adds set D (k); Note | A (k) | be element number in the set A (k), | D (k) | be element number among the set D (k);
(7) if | D (k) | or | A (k) | be 0, then no longer adjust the amount of each sub-district;
(8) otherwise, each the element corresponding district amount among the D (k) is updated to QuotaF (k) [j1]=T (k) [j1], with the amount surplus of each sub-district among the D (k) SumD (the k)=∑ (QuotaF (k) [j1]-T (k) [j1]) that adds up, j1 ∈ D (k); To each the element j2 corresponding district quota among the A (k) increase SumD (k)/| A (k) |, promptly QuotaF (k) [j2]=QuotaF (k) [j2]+SumD (k)/| A (k) |;
(9) the M2 module is provided with variables L eftScheBytesF (k) [i] according to this quota and current traffic statistics notice M3 module, this variable is represented cell i for the current also assignable byte number of flow F (k), LeftScheBytesF (k) [i]=QuotaF (k) [i] when initial;
(10) " the bandwidth use module " of each sub-district is (in concrete the enforcement, can be: be MAC, be PDCP, be S1AP, be PDCP, be X2AP for F5 for F4 for F3 for F2 for F1) byte number that needs to the M3 request when each scheduling sends, M3 is that LeftScheBytesF (k) [i] responds response according to the maximum of current residual quota;
(11) " the bandwidth use module " of each sub-district carries out professional transmission according to the response of M3, thereby the total bandwidth sum of each cell scheduling can not surpass V_BYTES_F (k);
(12) the M2 module in cycle U1 to the statistics of various flows, be recorded as deltaF (k) [i]=T (k) [i]-QuotaF (k) [i] for above-quota byte number, for the situation deltaF that is no more than quota (k) [i]=0, the main cause that exceeds quota is that bandwidth use module is inaccurate to the estimation of packet header expense, such as, each PDCP-SDU that sends from PDCP for F (1) need increase transmission heads such as GTP-U/UDP/IP, the number of the actual PDCP-SDU of flow correspondence but actual " bandwidth use module " MAC owing to do not know eats dishes without rice or wine can only roughly be estimated the number of actual data packet;
(13) after phase U1 finished weekly, M2 was provided with variables L eftScheBytesF (k) [i]=QuotaF (k) [i]-deltaF (k) [i] the * b of M3 module again, and so that flow multiple in the last cycle is done compensation, the value of b is set referring to above-mentioned (5);
(14) in each sub-district of eNodeB a module M4 is set respectively, the LeftScheBytesF (k) [i] of the cell i (0.. (N-1)) that M2 is calculated carries out more accurate correction, estimates inaccuracy with the packet header expense that reduces in (12):
The first-class transport layer header expense of GTP-U/UDP/IP of considering increase can leave corresponding surplus, LeftScheBytesF (k) [i]=LeftScheBytesF (k) [i] * (1-(headerSize/ (headerSize+avgPdcpSduSize))), here headerSize represents the byte number sum of GTP-U/UDP/IP head and bottom transmission protocol header, avgPdcpSduSize represents that the average packet of PDCP in cycle U1 is long, the quota value in each the new cycle of sub-district when the transmission header overhead is not considered in the LeftScheBytesF on equal sign right side (k) [i] expression;
(15) in the enforcement, when determining the initial transmission bandwidth quota of each each flow of sub-district, can carry out five equilibrium by total transmission bandwidth quota, and/or, can give each flow of each sub-district with total transmission bandwidth allocation of quota according to the priority of each sub-district.
Concrete, determine that the mode of (4) described quota can be a five equilibrium, i.e. QuotaF (k) [i]=V_Bytes_F (k)/N is set at absolute value in the time of also can utilizing the information initializings such as priority of each sub-district, equals V_Bytes_F (k) but should satisfy summation; And should satisfy QuotaF (k) [i]＞min (k), min wherein (k) for the implication of various flows is: for F (1), represent the flow summation of this cell uplink GBR business; For F (2), be expressed as the minimum bandwidth of this sub-district S1 mouth handoff reservation; For F (3), be expressed as the minimum bandwidth that the S1 message order of this sub-district is reserved; For F (4), be expressed as the minimum bandwidth of this sub-district X2 mouth handoff reservation; For F (5), be expressed as the minimum bandwidth that the X2 message order of this sub-district is reserved;
(16) implement, when setting cycle, can set according to the buffer memory ability and/or the control bandwidth expectation precision of distributing of eNodeB equipment when the of short duration super bandwidth.
Concrete, the unit interval, U1 can be taken as 10ms, specifically can set with reference to buffer memory ability and the control bandwidth expectation precision of distributing of eNodeB equipment when the of short duration super bandwidth;
(17) in the enforcement, when adjusting the transmission bandwidth quota of each flow of each sub-district in following one-period, carry out five equilibrium after total transmission bandwidth quota can being deducted the data traffic volume of each flow reality of each sub-district, and/or, distribute to each flow of each sub-district after can total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district according to the priority of each sub-district.
Concrete, can be not limited to (8) described equivalent method of salary distribution according to the mode that the bandwidth surplus is adjusted each sub-district quota, also can wait the quota increment of adjusting each sub-district next cycle among the A (k), but adjusted each sub-district quota should satisfy (15) described QuotaF (k) [i]＞min (k) according to the current ratio situation of T (k) [i] and the precedence information of sub-district;
(18) implement, the convenience on understand for F (1) flow, can think that M1 is positioned at RRC (RadioResource Control, Radio Resource control), and M2/M4 is positioned at PDCP, and M3 is positioned at MAC; For F (2)/F (4) flow, M1 is positioned at RRC, and M2/M3/M4 is positioned at PDCP; For F (3) flow, M1 is positioned at RRC, and M2/M3/M4 is positioned at S1AP; For F (5) flow, M1 is positioned at RRC, and M2/M3/M4 is positioned at X2AP.
Again the enforcement of each module is described below.
Fig. 4 adjusts the implementing procedure schematic diagram of each cell transmission bandwidth quota for the M1 module, as shown in the figure, can comprise:
Step 401, M1 receive the notice from the transmission network Operation ﹠ Maintenance System, and flow information is converted to V_Bytes_F (k);
Step 402, M1 are provided with the initial value of quota QuotaF (k) [i] and are configured to the M2 module;
Step 403, M1 receive M2 and press the data volume T (k) [i] that periodic report should actual transmission in the cycle to M1;
Step 404, M1 increase or reduce the quota of next each sub-district of cycle according to the measurement of M2;
Step 405, M1 dispose new quota QuotaF (k) [i] again to the M2 module.
Fig. 5 distributes the implementing procedure schematic diagram of doing the details adjustment for the M2 module to bandwidth of cell, as shown in the figure, can comprise:
Step 501, M2 are configured to the M3 module with the initial value of quota QuotaF (k) [i];
The bandwidth of step 502, each sub-district uses module to dispatch request M3 acquisition remaining quota when sending at every turn;
The bandwidth of step 503, each sub-district uses module to carry out professional transmission according to the response of M3;
Step 504, M2 obtain the byte number that exceeds the quata according to the actual flow T (k) [i] that records;
Step 505, M2 cut the byte number that exceeds the quata with the quota number in next cycle, and are configured to M3 again.
Describe with example more below.
Embodiment 1:
With F (1) flow is example:
(1) for an eNodeB who supports 3 sub-districts, owing to the reason of limited bandwidth is V_F (1)=60Mbps at the S1 mouth by the ascending resource that Operation and Maintenance distributes, conversion V_Bytes_F (1)=60M*100ms/8=750KBytes;
(2) QuotaF (1) [the i]=750/3=250KBytes of initial each sub-district of M1, i value 1..3; M1 configuration QuotaF (1) [i] is to the M2 module of each sub-district;
(3) 100ms week after date, M2 reports the actual transmission data volume of 3 sub-districts to be respectively 252Kbytes, 250Kbytes, 150KBytes to M1; Get deltaMin=5Kbytes, then A (k)=1,2}; D (k)={ 3};
DeltaF (1) [1]=252-250=2KBytes; This 2KBytes is owing to MAC equiband use module estimates that header is forbidden to cause;
deltaF(1)[2]＝deltaF(1)[3]＝0；
Because so 252+250+150＜750 are b=0;
(4) sumD (k)=250Kbytes-150Kbytes=100Kbytes, then
QuotaF(1)[1]＝QuotaF(1)[2]＝250+100/2＝300KBytes；
QuotaF(1)[3]＝150KBytes；
(5) M2 notice M3 is provided with variables L eftScheBytesF (1) [i]=QuotaF (1) [i]-deltaF (k) [i], promptly
LeftScheBytesF(1)[1]＝300K-b*2K＝300KBytes；
LeftScheBytesF(1)[2]＝300KBytes；
LeftScheBytesF(1)[3]＝150KBytes；
(6) accuracy for guaranteeing to estimate, M2 can utilize M4 that LeftScheBytesF (1) [i] is handled, and after the expense of transport layer header such as removal GTP-U/UDP/IP, LeftScheBytesF (1) [i] is issued to the M3 module again;
(7) bandwidth of each sub-district is used module LeftScheBytesF (1) [i] scheduling according to M3 in the next cycle;
(8) follow-up will the continuation repeated from (3) to (7).
Embodiment 2:
With F (2) flow is example:
(1) for an eNodeB who supports 3 sub-districts, owing to the reason of limited bandwidth is V_F (2)=6Mbps at the S1 mouth by the ascending resource that Operation and Maintenance distributes, conversion V_Bytes_F (2)=6M*100ms/8=75KBytes;
(2) QuotaF (2) [the i]=75/3=25KBytes of initial each sub-district of M1, i value 1..3; M1 configuration QuotaF (1) [i] is to the M2 module of each sub-district;
(3) 100ms week after date, M2 reports the actual transmission data volume of 3 sub-districts to be respectively 26Kbytes, 28Kbytes, 24KBytes to M1; Get deltaMin=500Bytes, then A (k)=1,2}; D (k)={ 3};
deltaF(2)[1]＝26-25＝1KBytes；deltaF(2)[2]＝28-25＝3KBytes；deltaF(2)[3]＝0；
Because so 26+28+24＞75KBytes is b=1;
(4) M1 calculates: sumD (k)=25Kbytes-24Kbytes=1Kbytes, then
QuotaF(2)[1]＝QuotaF(2)[2]＝25+1/2＝25.5KBytes；
QuotaF(2)[3]＝24KBytes；
(5) M2 notice M3 is provided with variables L eftScheBytesF (2) [i]=QuotaF (2) [i]-deltaF (2) [i], that is:
LeftScheBytesF(2)[1]＝25.5K-b*1K＝24.5KBytes；
LeftScheBytesF(2)[2]＝25.5K-b*3K＝22.5Bytes；
LeftScheBytesF(2)[3]＝24KBytes；
(6) accuracy for guaranteeing to estimate, M2 can utilize M4 that LeftScheBytesF (2) [i] is handled, and after the expense of transport layer header such as removal GTP-U/UDP/IP, LeftScheBytesF (2) [i] is issued to the M3 module again;
(7) bandwidth of each sub-district is used module LeftScheBytesF (2) [i] scheduling according to M3 in the next cycle;
(8) follow-up will the continuation repeated from (3) to (7).
This embodiment shows, from the time span in some cycles, owing to estimate that the inaccurate excess traffic that causes has obtained compensation between consecutive periods, makes the total bandwidth sum of each cell scheduling be no more than V_F (2), promptly is no more than 6Mbps.
Based on same inventive concept, a kind of transfer resource distributing equipment also is provided in the embodiment of the invention, because the principle that this equipment is dealt with problems is similar to a kind of transfer resource distribution method, so the enforcement of this equipment can repeat part and repeat no more referring to the enforcement of method.
Fig. 6 is a transfer resource distributing equipment structural representation, as shown in the figure, can comprise in the equipment:
Actual quantity issued is used to obtain the data traffic volume of each sub-district reality in this cycle according to module 603;
Modulation of quotas module 604 is used for according to each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle transmission bandwidth quota of following one-period.
In the enforcement, the cycle module can also be further used for when setting cycle, sets according to the buffer memory ability and/or the control bandwidth expectation precision of distributing of eNodeB equipment when the of short duration super bandwidth.
In the enforcement, the quota module can also be further used for determining the transmission bandwidth quota of each sub-district of this cycle with one of down-off or its combination;
Actual quantity issued can also be further used for obtaining each sub-district data traffic volume with the reality of one of down-off or its combination in this cycle according to module;
The modulation of quotas module can also be further used for according to one of the data traffic volume of each sub-district reality and each sub-district following flow of following one-period of this cycle transmission bandwidth modulation of quotas or its combination the transmission bandwidth quota;
With down-off be:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
Signaling message flow quantity through the S1 mouth;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station;
Signaling traffic on the X2 mouth.
In the enforcement, actual quantity issued can also be further used for when the actual transmission data bulk that obtains with one of down-off or its combination according to module, the expense of the GTP-U/UDP/IP transport layer protocol head that adds up:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station.
In the enforcement, actual quantity issued can also be further used for when the actual transmission data bulk that obtains with one of down-off or its combination according to module, the expense of the SCTP/IP transport layer protocol head that adds up:
Signaling message flow quantity through the S1 mouth;
Signaling traffic on the X2 mouth.
In the enforcement, the modulation of quotas module can also be further used for carrying out five equilibrium by total transmission bandwidth quota when determining the initial transmission bandwidth quota of each each flow of sub-district, and/or, give each flow of each sub-district according to the priority of each sub-district with total transmission bandwidth allocation of quota.
In the enforcement, the modulation of quotas module can also be further used for when adjusting the transmission bandwidth quota of each flow of each sub-district in following one-period, carry out five equilibrium after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district, and/or, distribute to each flow of each sub-district after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district according to the priority of each sub-district.
For the convenience of describing, the each several part of the above device is divided into various modules with function or the unit is described respectively.Certainly, when enforcement is of the present invention, can in same or a plurality of softwares or hardware, realize the function of each module or unit.
As seen from the above-described embodiment, the technical scheme by the embodiment of the invention provides can reduce the demand to transmission bandwidth among the LTE, transmission bandwidth is shared in each minizone of same base station used, thereby effectively save the cost of operator; Simultaneously, can be under the defeated resource-constrained and transfer resource part is unavailable (as causing because of the transmission equipment failure cause) the situation of defeated resource-constrained, the X2 oral instructions of S1 oral instructions, guarantee that the packet that eNodeB sends do not lose because of surpassing the transfer resource ability, thereby guarantee to eat dishes without rice or wine to transmit the validity of data, ensure on X2 and the S1 mouth that signaling procedure such as switching in time finishes, and improve user experience.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. a transfer resource distribution method is characterized in that, comprises the steps:
In setting cycle, determine the transmission bandwidth quota of each sub-district of this cycle;
Obtain the data traffic volume of each sub-district reality in this cycle;
According to each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle transmission bandwidth quota of following one-period.
2. the method for claim 1 is characterized in that, when setting cycle, sets according to the buffer memory ability and/or the control bandwidth expectation precision of distributing of evolution base station eNodeB equipment when the of short duration super bandwidth.
3. method as claimed in claim 1 or 2, it is characterized in that, determine the transmission bandwidth quota of each sub-district of this cycle, it is the transmission bandwidth quota of determining with one of down-off or its combination, and after obtaining the actual transmission data bulk of these flows, adjust the transmission bandwidth quota of these flows of each sub-district in following one-period:
The S1 mouth from eNodeB to Mobility Management Entity MME/ gateway S-GW direction on by the media access control MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and user equipment (UE);
The flow that process S1 mouth switches;
Signaling message flow quantity through the S1 mouth;
UE can't harm the data aggregation protocol PDCP that divides into groups when switching is dealt into target BS from source base station X2 mouth data traffic between the base station;
Signaling traffic on the X2 mouth.
4. method as claimed in claim 3 is characterized in that, when the actual transmission data bulk that obtains with one of down-off or its combination, and the expense of the GPRS Tunnel Protocol that adds up-user's face GTP-U/ User Datagram Protoco (UDP) UDP/IP transport layer protocol head:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station.
5. method as claimed in claim 3 is characterized in that, when the actual transmission data bulk that obtains with one of down-off or its combination, and the expense of the Stream Control Transmission Protocol that adds up/IP transport layer protocol head:
Signaling message flow quantity through the S1 mouth;
Signaling traffic on the X2 mouth.
6. method as claimed in claim 3 is characterized in that, when determining the initial transmission bandwidth quota of each each flow of sub-district, carries out five equilibrium by total transmission bandwidth quota, and/or, give each flow of each sub-district according to the priority of each sub-district with total transmission bandwidth allocation of quota.
7. method as claimed in claim 2, it is characterized in that, when adjusting the transmission bandwidth quota of each flow of each sub-district in following one-period, carry out five equilibrium after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district, and/or, distribute to each flow of each sub-district after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district according to the priority of each sub-district.
8. a transfer resource distributing equipment is characterized in that, comprising:
The cycle module is used to set the transmission bandwidth modulation of quotas cycle;
The quota module is used in setting cycle determining the transmission bandwidth quota of each sub-district of this cycle;
Actual quantity issued is used to obtain the data traffic volume of each sub-district reality in this cycle according to module;
The modulation of quotas module is used for according to each sub-district of the data traffic volume of each sub-district reality and the transmission bandwidth modulation of quotas of this cycle transmission bandwidth quota of following one-period.
9. equipment as claimed in claim 8 is characterized in that, the cycle module is further used for when setting cycle, sets according to the buffer memory ability and/or the control bandwidth expectation precision of distributing of eNodeB equipment when the of short duration super bandwidth.
10. equipment as claimed in claim 8 or 9 is characterized in that,
The quota module is further used for determining the transmission bandwidth quota of each sub-district of this cycle with one of down-off or its combination;
Actual quantity issued is further used for obtaining each sub-district data traffic volume with the reality of one of down-off or its combination in this cycle according to module;
The modulation of quotas module be further used for according to one of the data traffic volume of each sub-district reality and each sub-district following flow of following one-period of this cycle transmission bandwidth modulation of quotas or its combination the transmission bandwidth quota;
With down-off be:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
Signaling message flow quantity through the S1 mouth;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station;
Signaling traffic on the X2 mouth.
11. equipment as claimed in claim 10 is characterized in that, actual quantity issued is further used for when the actual transmission data bulk that obtains with one of down-off or its combination according to module, the expense of the GTP-U/UDP/IP transport layer protocol head that adds up:
The S1 mouth from eNodeB to the MME/S-GW direction on by the MAC of this sub-district service traffics according to the business datum situation scheduling of channel quality of eating dishes without rice or wine and UE;
The flow that process S1 mouth switches;
PDCP was dealt into the X2 mouth data traffic of target BS when UE can't harm switching between the base station from source base station.
12. equipment as claimed in claim 10 is characterized in that, actual quantity issued is further used for when the actual transmission data bulk that obtains with one of down-off or its combination according to module, the expense of the SCTP/IP transport layer protocol head that adds up:
Signaling message flow quantity through the S1 mouth;
Signaling traffic on the X2 mouth.
13. equipment as claimed in claim 10, it is characterized in that, the modulation of quotas module is further used for when determining the initial transmission bandwidth quota of each each flow of sub-district, carry out five equilibrium by total transmission bandwidth quota, and/or, give each flow of each sub-district according to the priority of each sub-district with total transmission bandwidth allocation of quota.
14. equipment as claimed in claim 10, it is characterized in that, the modulation of quotas module is further used for when adjusting the transmission bandwidth quota of each flow of each sub-district in following one-period, carry out five equilibrium after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district, and/or, distribute to each flow of each sub-district after total transmission bandwidth quota being deducted the data traffic volume of each flow reality of each sub-district according to the priority of each sub-district.
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| CN 201010601577 CN102076021B (en) | 2010-12-22 | 2010-12-22 | Transmission resource allocation method and equipment |
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| CN 201010601577 CN102076021B (en) | 2010-12-22 | 2010-12-22 | Transmission resource allocation method and equipment |
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