CN108809563A - A kind of business datum preprocess method and system - Google Patents
A kind of business datum preprocess method and system Download PDFInfo
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- CN108809563A CN108809563A CN201710303629.7A CN201710303629A CN108809563A CN 108809563 A CN108809563 A CN 108809563A CN 201710303629 A CN201710303629 A CN 201710303629A CN 108809563 A CN108809563 A CN 108809563A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/0008—Wavelet-division
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
Abstract
This application discloses a kind of business datum preprocess method and system, wherein method includes：The newer dispatching instruction of generation that series processing unit (SPU) is reported according to Wireless Access Unit RAU in real time, the ability configuration information of the corresponding carriers to currently preserving are updated；In each dispatching cycle, according to the principle of low time delay business datum in priority processing local cache, according to the ability configuration information of each carrier wave currently preserved, utilize the data in local cache, RLC PDU are generated, and the RLC PDU are put into corresponding low time delay business datum queue or general service data queue；For the low time delay business datum queue, using preset low time delay sending mode, RLC PDU therein are sent to corresponding RAU；For the general service data queue, using preset common sending mode, RLC PDU therein are sent to corresponding RAU.RLC can be greatly lowered using the present invention to be associated with the coupling of MAC protocol layer so that SPU and RAU can be disposed independently.
Description
Technical field
The present invention relates to mobile communication technologies, more particularly to a kind of business datum preprocess method and system.
Background technology
As LTE-A is to the artistic skills of 5G, cell transmission rate has tens times of promotion, more than 10Gbps.On the other hand,
LTE network follows compressed structure principle, and media access control (MAC) layer cancels fragmentation feature, that is, eliminates the SI in TDS epoch
Control domain has no ability to carry out message fragment concatenation.Wireless spread-spectrum technology (RLC) layer is then by under radio network controller (RNC)
Evolved Node B (eNB) are moved to, need, according to MAC dispatch situations, to undertake segmentation concatenation function.
In said program, since RLC needs the Real-Time Scheduling situation according to MAC, within this dispatching cycle, dynamically to MAC
The RLC PDU of layer output precise length so that data transmission delay requires high between protocol stack.RLC is from receiving MAC dispatch situations
To output RLC PDU, total available processes time, the list frame period less than 1ms was (as that coordinate low time delay demand, need to change and eat dishes without rice or wine
Frame structure, processing time can be less than 0.1ms).Such delay requirement leads to not divide processor to dispose RLC and MAC.However,
It is limited by uniprocessor ability, protocol stack performance can not be substantially improved.
It can be seen that the processing scheme of existing base station side downlink transmission data, since RLC and MAC needs to dispose nearby,
So that protocol stack limited performance is in the processing capacity of uniprocessor.
Invention content
In view of this, the main purpose of the present invention is to provide a kind of business datum preprocess method and system, Ke Yi great
Amplitude reduction RLC is associated with the coupling of MAC protocol layer, it is ensured that SPU and RAU can be disposed independently.
In order to achieve the above object, technical solution proposed by the present invention is：
A kind of business datum preprocess method, including：
The newer dispatching instruction of generation that series processing cell S PU is reported according to Wireless Access Unit RAU in real time,
The ability configuration information of corresponding carriers to currently preserving is updated；
In each dispatching cycle, the SPU according to low time delay business datum in priority processing local cache principle, according to
The ability configuration information of each carrier wave currently preserved generates RLC PDU using the data in local cache, and by the RLC
PDU is put into corresponding low time delay business datum queue or general service data queue；
For the low time delay business datum queue, the SPU uses preset low time delay sending mode, will be therein
RLC PDU are sent to corresponding RAU；For the general service data queue, the SPU uses preset common transmission mould
RLC PDU therein are sent to corresponding RAU by formula.
Preferably, the ability configuration information of the corresponding carriers to currently preserving be updated including：
When SPU is detected：When the dispatching instruction that RAU is reported in nearest two CQI report cycles updates, root
It is indicated according to recently received dispatching, determines the ability configuration information of corresponding carriers, and according to the ability configuration information,
The ability configuration information of corresponding carriers to currently preserving is updated.
Preferably, the ability configuration information includes scheduling flow velocity, cache size and scheduling delay.
Preferably, described in each dispatching cycle, the SPU is according to low time delay business datum in priority processing local cache
Principle RLC PDU using the data in local cache, are generated according to the ability configuration information of each carrier wave currently preserved, and
The RLC PDU are put into corresponding low time delay business datum queue or general service data queue includes：
In each dispatching cycle, when there is low time delay business datum in local cache, the SPU is each according to what is currently preserved
The ability configuration information of carrier wave selects the minimum carrier wave of propagation delay time, according to the ability configuration information of selected carrier wave, for institute
Low time delay business datum is stated, the RLC PDU for the length that matches with carrier capability is generated, the RLC PDU is put into low time delay industry
It is engaged in data queue；
In each dispatching cycle, when there was only non-low time delay business datum in local cache and there is currently the carrier waves not overloaded
When, the SPU selects handling capacity according to the ability configuration information of each carrier wave currently preserved from the carrier wave not overloaded currently
Highest carrier wave, and according to the ability configuration information of selected carrier wave, be the non-low time delay business datum, generate and carrier wave energy
Power matches the RLC PDU of length, and the RLC PDU are put into general service data queue.
Preferably, the low time delay sending mode is interrupt mode；The common sending mode is poll pattern.
A kind of business datum pretreatment system, including series processing cell S PU and Wireless Access Unit RAU：
The series processing cell S PU, the newer scheduling of generation for being reported in real time according to Wireless Access Unit RAU
Ability indicates that the ability configuration information of the corresponding carriers to currently preserving is updated；In each dispatching cycle, according to preferential place
The principle of low time delay business datum utilizes local according to the ability configuration information of each carrier wave currently preserved in reason local cache
Data in caching generate RLC PDU, and the RLC PDU are put into corresponding low time delay business datum queue or common industry
It is engaged in data queue；For the low time delay business datum queue, using preset low time delay sending mode, by RLC therein
PDU is sent to corresponding RAU；It will be therein using preset common sending mode for the general service data queue
RLC PDU are sent to corresponding RAU.
Preferably, the SPU, detects for working as：The dispatching that RAU is reported in nearest two CQI report cycles
Instruction is when updating, and according to recently received dispatching instruction, determines the ability configuration information of corresponding carriers, and according to
The ability configuration information of the ability configuration information, the corresponding carriers to currently preserving is updated.
Preferably, the ability configuration information includes scheduling flow velocity, cache size and scheduling delay.
Preferably, the SPU, was used in each dispatching cycle, when there is low time delay business datum in local cache, according to
The ability configuration information of each carrier wave currently preserved selects the minimum carrier wave of propagation delay time, according to the ability of selected carrier wave
Configuration information is the low time delay business datum, the RLC PDU for the length that matches with carrier capability is generated, by the RLC PDU
It is put into low time delay business datum queue；In each dispatching cycle, when there was only non-low time delay business datum in local cache and work as
When the carrier wave that preceding presence is not overloaded, according to the ability configuration information of each carrier wave currently preserved, from the carrier wave not overloaded currently
The highest carrier wave of handling capacity is selected, and is the non-low time delay business datum according to the ability configuration information of selected carrier wave,
The RLC PDU for generating the length that matches with carrier capability, the RLC PDU are put into general service data queue.
Preferably, the low time delay sending mode is interrupt mode；The common sending mode is poll pattern.
In conclusion business datum preprocess method proposed by the present invention and system, before data are scheduled, by SPU
According to MAC dispatch situations, RLC PDU are generated in advance and issue MAC layer so that when being scheduled, rlc layer will not be again because of data
The generation of packet and generation time expense.In this way, by before scheduling, data are anticipated, RLC and MAC can be increased
Tolerable propagation delay time between protocol layer is greatly lowered RLC and is associated with the coupling of MAC protocol layer so that SPU and RAU energy
Enough independent deployment.
Description of the drawings
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention；
Fig. 2 is the apparatus structure schematic diagram of the embodiment of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments
The present invention is described in further detail.
Core of the invention thought is：In each dispatching cycle, the data in caching are generated in advance according to dispatch situation
RLC PDU simultaneously issue MAC layer.In this way, by before data are scheduled, data are packaged in advance so that when being scheduled,
Rlc layer will not the generation time expense due to generation of data packet again, so as to increase tolerable between RLC and MAC protocol layer
Propagation delay time, and then can greatly reduce RLC and be associated with the coupling of MAC protocol layer, SPU and RAU can be made flexibly independent
(distribution) is disposed.
Fig. 1 is the method flow schematic diagram of the embodiment of the present invention, as shown in Figure 1, the business datum that the embodiment is realized is pre-
Processing method, including：
The generation that step 101, series processing unit (SPU) are reported according to Wireless Access Unit (RAU) in real time is newer
Dispatching indicates that the ability configuration information of the corresponding carriers to currently preserving is updated.
What needs to be explained here is that series processing unit for complete LTE service surfaces GTPU PDCP rlc protocol processing,
Wireless Access Unit, for completing MAC and PHY layer processing.
In this step, series processing unit needs to carry out real-time update to the ability configuration information of carrier wave, it is ensured that at sequence
The accuracy of the carrier capability configuration information preserved at reason unit, in each dispatching cycle, to be based in subsequent step
Newest carrier capability configuration information carries out packing processing to the data in caching in advance, RLC PDU is generated, to ensure logarithm
The accuracy of Data preprocess.
Preferably, the ability configuration information that corresponding carriers of the following methods to currently preserving may be used is updated：
When SPU is detected：When the dispatching instruction that RAU is reported in nearest two CQI report cycles updates, root
It is indicated according to recently received dispatching, determines the ability configuration information of corresponding carriers, and according to the ability configuration information,
The ability configuration information of corresponding carriers to currently preserving is updated.
Preferably, the ability configuration information may include scheduling flow velocity, cache size and scheduling delay, to generate
It is contemplated that these indexs when RLC PDU, so as to realize under carrier wave polymerization, total throughput of each carrier wave, retransmission rate, when
Prolong the optimization of equal Performance figures.
Step 102, in each dispatching cycle, the SPU is according to low time delay business datum in priority processing local cache
Principle generates RLC PDU, and will according to the ability configuration information of each carrier wave currently preserved using the data in local cache
The RLC PDU are put into corresponding low time delay business datum queue or general service data queue.
In this step, in each dispatching cycle, SPU needs to generate RLC PDU for the data in local cache, realizes scheduling
Preceding data prediction, in this way, by the way that RLC PDU are generated in advance by rlc layer and issue MAC layer so that when being scheduled,
Rlc layer need not the generation time expense due to generation of data packet again, to reduce downlink data processing delay, and then can increase
Add tolerable propagation delay time between RLC and MAC protocol layer, RLC be greatly lowered and is associated with the coupling of MAC protocol layer so that
SPU and RAU can be disposed independently.Also, it is preferably the corresponding RLC of low time delay business datum generation in local cache in this step
PDU, it can be ensured that the transmission performance of low time delay business datum.
Preferably, in order to realize under carrier wave polymerization, the Performance figures such as total throughput of each carrier wave, retransmission rate, time delay are most
Following methods realization may be used in optimization, this step：
In each dispatching cycle, when there is low time delay business datum in local cache, the SPU is each according to what is currently preserved
The ability configuration information of carrier wave selects the minimum carrier wave of propagation delay time, according to the ability configuration information of selected carrier wave, for institute
Low time delay business datum is stated, the RLC PDU for the length that matches with carrier capability is generated, the RLC PDU is put into low time delay industry
It is engaged in data queue.
In each dispatching cycle, when there was only non-low time delay business datum in local cache and there is currently the carrier waves not overloaded
When, the SPU selects handling capacity according to the ability configuration information of each carrier wave currently preserved from the carrier wave not overloaded currently
Highest carrier wave, and according to the ability configuration information of selected carrier wave, be the non-low time delay business datum, generate and carrier wave energy
Power matches the RLC PDU of length, and the RLC PDU are put into general service data queue.
It is preferably that low time delay business datum generates RLC when there is low time delay business datum in local cache in the above method
PDU, and there is no low time delay business datum, only non-low time delay business datum and there is currently the loads that do not overload in local cache
When wave, non-low time delay business datum is just handled.In this way, by the latency type of differentiated service data, non-low time delay is made full use of
The relatively low feature of the delay requirement of business datum is preferably that low time delay business datum generates RLC PDU, can both meet low time delay
The transmission requirement of business datum, and the data transmission of non-low time delay business datum is not influenced, and then may be implemented under carrier wave polymerization,
The optimization of the performance indicators such as total throughput of each carrier wave, retransmission rate, time delay.
In above-mentioned steps generate with carrier capability match length RLC PDU specific method be those skilled in the art
It is grasped, details are not described herein.
Step 103, for the low time delay business datum queue, the SPU uses preset low time delay sending mode, will
RLC PDU therein are sent to corresponding RAU；For the general service data queue, the SPU uses preset common hair
Pattern is sent, RLC PDU therein are sent to corresponding RAU.
This step, when having data in the queue of low time delay business datum and logical business datum queue, then according to business number
According to the corresponding sending mode of time delay, the RLC PDU being generated in advance before scheduling are sent to corresponding RAU.
Preferably, in view of the time delay feature of different business data, in order to further ensure that the biography of low time delay business datum
Defeated performance, the low time delay sending mode can be interrupt mode, and the common sending mode can be poll pattern.
Fig. 2 is a kind of business datum pretreatment system corresponding with the above method, as shown in Fig. 2, the system includes sequence
Column processing unit SPU and Wireless Access Unit RAU：
Series processing cell S PU, the newer dispatching of generation for being reported in real time according to Wireless Access Unit RAU
Instruction, the ability configuration information of the corresponding carriers to currently preserving are updated；In each dispatching cycle, according to priority processing sheet
The principle of low time delay business datum utilizes local cache according to the ability configuration information of each carrier wave currently preserved in ground caching
In data, generate RLC PDU, and the RLC PDU be put into corresponding low time delay business datum queue or general service number
According in queue；For the low time delay business datum queue, using preset low time delay sending mode, by RLC PDU therein
It is sent to corresponding RAU；For the general service data queue, using preset common sending mode, by RLC therein
PDU is sent to corresponding RAU.
Preferably, the SPU, detects for working as：The dispatching that RAU is reported in nearest two CQI report cycles
Instruction is when updating, and according to recently received dispatching instruction, determines the ability configuration information of corresponding carriers, and according to
The ability configuration information of the ability configuration information, the corresponding carriers to currently preserving is updated.
Preferably, the ability configuration information includes scheduling flow velocity, cache size and scheduling delay.
Preferably, the SPU, was used in each dispatching cycle, when there is low time delay business datum in local cache, according to
The ability configuration information of each carrier wave currently preserved selects the minimum carrier wave of propagation delay time, according to the ability of selected carrier wave
Configuration information is the low time delay business datum, the RLC PDU for the length that matches with carrier capability is generated, by the RLC PDU
It is put into low time delay business datum queue；In each dispatching cycle, when there was only non-low time delay business datum in local cache and work as
When the carrier wave that preceding presence is not overloaded, according to the ability configuration information of each carrier wave currently preserved, from the carrier wave not overloaded currently
The highest carrier wave of handling capacity is selected, and is the non-low time delay business datum according to the ability configuration information of selected carrier wave,
The RLC PDU for generating the length that matches with carrier capability, the RLC PDU are put into general service data queue.
Preferably, the low time delay sending mode is interrupt mode；The common sending mode is poll pattern.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of business datum preprocess method, which is characterized in that including：
The newer dispatching instruction of generation that series processing cell S PU is reported according to Wireless Access Unit RAU in real time, to working as
The ability configuration information of the corresponding carriers of preceding preservation is updated；
In each dispatching cycle, the SPU according to low time delay business datum in priority processing local cache principle, according to current
The ability configuration information of each carrier wave preserved generates RLC PDU, and the RLC PDU are put using the data in local cache
Enter in corresponding low time delay business datum queue or general service data queue；
For the low time delay business datum queue, the SPU uses preset low time delay sending mode, by RLC therein
PDU is sent to corresponding RAU；For the general service data queue, the SPU uses preset common sending mode, will
RLC PDU therein are sent to corresponding RAU.
2. according to the method described in claim 1, it is characterized in that, the ability to the corresponding carriers currently preserved matches confidence
Breath be updated including：
When SPU is detected：When the dispatching instruction that RAU is reported in nearest two CQI report cycles updates, according to most
The dispatching instruction newly received, determines the ability configuration information of corresponding carriers, and according to the ability configuration information, to working as
The ability configuration information of the corresponding carriers of preceding preservation is updated.
3. according to the method described in claim 1, it is characterized in that, the ability configuration information includes scheduling flow velocity, caches greatly
Small and scheduling delay.
4. according to the method described in claim 1, it is characterized in that, described in each dispatching cycle, the SPU is according to preferential place
The principle of low time delay business datum utilizes local according to the ability configuration information of each carrier wave currently preserved in reason local cache
Data in caching generate RLC PDU, and the RLC PDU are put into corresponding low time delay business datum queue or common industry
Business data queue include：
In each dispatching cycle, when there is low time delay business datum in local cache, the SPU is according to each carrier wave currently preserved
Ability configuration information, select the minimum carrier wave of propagation delay time, be described low according to the ability configuration information of selected carrier wave
Time delay business datum generates the RLC PDU for the length that matches with carrier capability, the RLC PDU is put into low time delay business number
According in queue；
In each dispatching cycle, when there was only non-low time delay business datum in local cache and there is currently when the carrier wave not overloaded,
The SPU selects handling capacity most according to the ability configuration information of each carrier wave currently preserved from the carrier wave not overloaded currently
High carrier wave, and be the non-low time delay business datum, generation and carrier capability according to the ability configuration information of selected carrier wave
The RLC PDU are put into general service data queue by the RLC PDU for the length that matches.
5. according to the method described in claim 1, it is characterized in that, the low time delay sending mode is interrupt mode；It is described general
Logical sending mode is poll pattern.
6. a kind of business datum pretreatment system, which is characterized in that including series processing cell S PU and Wireless Access Unit RAU：
The series processing cell S PU, the newer dispatching of generation for being reported in real time according to Wireless Access Unit RAU
Instruction, the ability configuration information of the corresponding carriers to currently preserving are updated；In each dispatching cycle, according to priority processing sheet
The principle of low time delay business datum utilizes local cache according to the ability configuration information of each carrier wave currently preserved in ground caching
In data, generate RLC PDU, and the RLC PDU be put into corresponding low time delay business datum queue or general service number
According in queue；For the low time delay business datum queue, using preset low time delay sending mode, by RLC PDU therein
It is sent to corresponding RAU；For the general service data queue, using preset common sending mode, by RLC therein
PDU is sent to corresponding RAU.
7. system according to claim 6, which is characterized in that the SPU is detected for working as：RAU is at nearest two
When the dispatching instruction reported in CQI report cycles updates, is indicated according to recently received dispatching, determine phase
The ability configuration information of carrier wave is answered, and according to the ability configuration information, confidence is matched to the ability of the corresponding carriers currently preserved
Breath is updated.
8. system according to claim 6, which is characterized in that the ability configuration information includes scheduling flow velocity, caches greatly
Small and scheduling delay.
9. system according to claim 6, which is characterized in that the SPU is used in each dispatching cycle, when locally slow
When having low time delay business datum in depositing, according to the ability configuration information of each carrier wave currently preserved, it is minimum to select propagation delay time
Carrier wave according to the ability configuration information of selected carrier wave be the low time delay business datum, generation matches with carrier capability
The RLC PDU are put into low time delay business datum queue by the RLC PDU of length；Using preset low time delay sending mode,
RLC PDU in the low time delay business datum queue are sent to corresponding RAU；In each dispatching cycle, work as local cache
In only non-low time delay business datum and there is currently when the carrier wave not overloaded, configured according to the ability of each carrier wave currently preserved
Information selects the highest carrier wave of handling capacity from the carrier wave not overloaded currently, and matches confidence according to the ability of selected carrier wave
Breath is the non-low time delay business datum, generates the RLC PDU for the length that matches with carrier capability, the RLC PDU are put into
In general service data queue；Using preset common sending mode, by the RLC PDU hairs in the general service data queue
Give corresponding RAU.
10. system according to claim 6, the low time delay sending mode is interrupt mode；The common sending mode
For poll pattern.
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| FUJITSU: "Considerations on the segmentation function in NR", 《3GPP TSG-RAN WG2 MEETING #96》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113688076A (en) * | 2021-10-25 | 2021-11-23 | 浙江国利信安科技有限公司 | EPA-based data communication method, computing device and medium |
| CN113742269A (en) * | 2021-11-03 | 2021-12-03 | 浙江国利信安科技有限公司 | Data transmission method, processing device and medium for EPA device |
| CN113742269B (en) * | 2021-11-03 | 2022-02-22 | 浙江国利信安科技有限公司 | Data transmission method, processing device and medium for EPA device |
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| CN108809563B (en) | 2021-01-01 |
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