CN102695283B - Dispatching method of downlink subframes and base station - Google Patents
Dispatching method of downlink subframes and base station Download PDFInfo
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- CN102695283B CN102695283B CN201210168166.5A CN201210168166A CN102695283B CN 102695283 B CN102695283 B CN 102695283B CN 201210168166 A CN201210168166 A CN 201210168166A CN 102695283 B CN102695283 B CN 102695283B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a dispatching method of downlink subframes and a base station, which belong to the field of communication technology. The dispatching method of the downlink subframes comprises the following steps: ascertaining a downlink subframe assembly to be transmitted to terminal equipment in one attempt; intensively filling downlink service into data fields of part of the downlink subframes in the downlink subframe assembly, closing downlink subframes in the downlink subframe assembly, which are not filled with the downlink service; and transmitting each of the downlink subframes filled with the downlink service to the terminal equipment in one attempt. According to the technical scheme provide by the invention, closing probability of the downlink subframnes is improved; air interface transmitting power and power consumption of the base station are decreased; and interference in minizone is reduced.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of dispatching method of descending sub frame and base station.
Background technology
(English: 3rd Generation Partnership Project in third generation partner program, be called for short: Long Term Evolution 3GPP) is (English: Long Term Evolution, being called for short LTE) in system, a descending sub frame is (English: length Downlink Subframe) is 1ms.In prior art, base station sends downlink business to terminal equipment according to the granularity of a descending sub frame, and namely base station once sends a descending sub frame to terminal equipment, send descending sub frame data field carry downlink business; And when there is no downlink business, base station will pilot signal transmitted to terminal equipment.
Can know based on above description, when downlink business is few, the data field of the descending sub frame that base station sends at every turn may only have part to carry downlink business, partial data territory is idle, like this, descending sub frame will be caused to turn off, and base station, by many for waste eat dishes without rice or wine transmitting power and power consumption, also can increase presence of intercell interference simultaneously.
Summary of the invention
In order to reduce energy consumption and the presence of intercell interference of base station, embodiments provide a kind of dispatching method and base station of descending sub frame.Described technical scheme is as follows:
A dispatching method for descending sub frame, described method comprises:
Determine the disposable descending sub frame set sent to terminal equipment;
Downlink business is concentrated be filled into part descending sub frame in described descending sub frame set data field in, close the descending sub frame not being filled with downlink business in described descending sub frame set;
Described terminal equipment is sent to by disposable for each descending sub frame being filled with downlink business;
Wherein, determine the disposable descending sub frame set sent to terminal equipment, comprising:
According to the type of service of the downlink business that will send, determine the disposable descending sub frame set sent to terminal equipment.
A kind of base station, described base station comprises: scheduler module, processing module and sending module;
Described scheduler module, for determining the disposable descending sub frame set sent to terminal equipment;
Described processing module, for downlink business is concentrated be filled into part descending sub frame in described descending sub frame set data field in, close the descending sub frame not being filled with downlink business in described descending sub frame set;
Described sending module, for sending to described terminal equipment by disposable for each descending sub frame being filled with downlink business;
The disposable descending sub frame set sent to terminal equipment, also for the type of service according to the downlink business that will send, is determined in described base station.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by determining the disposable descending sub frame set sent to terminal equipment, downlink business is concentrated in the data field being filled into part descending sub frame in descending sub frame set, close the descending sub frame not being filled with downlink business in descending sub frame set, and the disposable realization sending to the technical scheme of terminal equipment of each descending sub frame that will downlink business be filled with, improve the closedown probability of descending sub frame, reduce eat dishes without rice or wine transmitting power and the power consumption of base station, also reduce presence of intercell interference simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the dispatching method flow chart of a kind of descending sub frame that the embodiment of the present invention provides;
The structure example figure of a kind of descending sub frame that Fig. 2 provides for the embodiment of the present invention;
The dispatching method flow chart of a kind of descending sub frame that Fig. 3 provides for the embodiment of the present invention;
In the prior art that Fig. 4 provides for the embodiment of the present invention base station at transmission downlink business to the instance graph once calling a descending sub frame during terminal equipment;
Fig. 5 to provide by the embodiment of the present invention in technical scheme base station at transmission downlink business to the instance graph once calling three descending sub frames during terminal equipment;
A kind of base station that Fig. 6 provides for the embodiment of the present invention;
A kind of base station that Fig. 7 provides for the embodiment of the present invention;
A kind of base station that Fig. 8 provides for the embodiment of the present invention;
A kind of base station that Fig. 9 provides for the embodiment of the present invention;
A kind of base station that Figure 10 provides for the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
See Fig. 1, a kind of dispatching method of descending sub frame, described method comprises following operating procedure:
Step 101: determine the disposable descending sub frame set sent to terminal equipment;
Step 102: concentrated by downlink business in the data field being filled into part descending sub frame in descending sub frame set, closes the descending sub frame not being filled with downlink business in descending sub frame set;
Step 103: send to described terminal equipment by disposable for each descending sub frame being filled with downlink business.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by determining the disposable descending sub frame set sent to terminal equipment, downlink business is concentrated in the data field being filled into part descending sub frame in descending sub frame set, close the descending sub frame not being filled with downlink business in descending sub frame set, and the disposable realization sending to the technical scheme of terminal equipment of each descending sub frame that will downlink business be filled with, improve the closedown probability of descending sub frame, reduce eat dishes without rice or wine transmitting power and the power consumption of base station, also reduce presence of intercell interference simultaneously.
See Fig. 2, be the topology example figure of a kind of descending sub frame that the embodiment of the present invention provides, a descending sub frame comprises two time slots, and the length of each time slot is 0.5ms, and wherein, each time slot comprises 7 symbols, and described symbol may be used for bearing downlink business.
When downlink business arrives, downlink business is sent to terminal equipment by dispatching downlink subframe by base station, describes the technical scheme shown in Fig. 1 in detail, see Fig. 3 below in conjunction with specific embodiment, a dispatching method for descending sub frame, specifically comprises following operating procedure:
Step 201: the disposable descending sub frame set sent to terminal equipment is determined in base station;
Particularly, the descending sub frame in base station selection predetermined time interval, and by selected descending sub frame composition resource pool; Afterwards, the multiple descending sub frame of ordinal selection in formed resource pool, selected descending sub frame forms the disposable descending sub frame set sent to terminal equipment.
Wherein, predetermined time interval can artificially set also can by software design patterns, and as predetermined time interval is taken as 10ms or 5ms etc., the embodiment of the present invention does not do concrete restriction to this.
This step is when specific implementation, base station can for the type of service of the downlink business that will send to determine multiple disposable descending sub frame set sending to terminal equipment, when the downlink business that will send as base station is real time business, determine descending sub frame set T1, when the downlink business that base station will send is non-real-time service, determine descending sub frame set T2, here, consider that real time business and non-real-time service are to the difference of delay requirement, what descending sub frame set T1 can be arranged is as far as possible smaller, to ensure the experience of user, what descending sub frame set T2 can be arranged is as far as possible larger.
Step 202: when downlink business arrives, base station downlink business is concentrated be filled into part descending sub frame in determined descending sub frame set data field in, and close the descending sub frame not being filled with downlink business in descending sub frame set;
Particularly, the specific implementation of this step is as follows:
Be divided into N number of downlink business block according to the data field of descending sub frame large young pathbreaker downlink business, N is more than or equal to the integer that 1 is less than or equal to descending sub frame set sizes;
From the descending sub frame of first in descending sub frame set, continuous print selects N number of descending sub frame, inserts in the data field of selected N number of descending sub frame respectively by N number of downlink business block correspondence;
Close non-selected descending sub frame in descending sub frame set.
Closer, in the embodiment of the present invention, when there is the symbol not being filled with downlink business in the data field of N number of descending sub frame, close the symbol not being filled with downlink business.
This step is when specific implementation, when downlink business is real time business, above-mentioned processing mode can be adopted to be filled into by described real time business in the data field of part descending sub frame in determined descending sub frame set T1, and to close the descending sub frame not being filled with downlink business in descending sub frame set T1; When downlink business is non-real-time service, above-mentioned processing mode can be adopted to be filled into by described non-real-time service in the data field of part descending sub frame in determined descending sub frame set T2, and to close the descending sub frame not being filled with downlink business in descending sub frame set T2.
Step 203: base station sends to terminal equipment by disposable for each descending sub frame being filled with downlink business;
Description through above-mentioned steps 202 and step 203 can be known, the disposable descending sub frame not being filled with downlink business in the descending sub frame set of terminal equipment transmission can be closed by base station, to reduce eat dishes without rice or wine transmitting power and the power consumption of base station, only send the descending sub frame being filled with downlink business in descending sub frame set, decrease the transmitting of descending sub frame to a certain extent, this effectively can reduce presence of intercell interference;
In addition, description according to step 202 can be known, base station is not also closed in the descending sub frame being filled with downlink business by the symbol of downlink business, so, the operation of descending sub frame to terminal equipment being filled with downlink business that base station is closed at transmitting portion symbol, also can reduce presence of intercell interference to a certain extent.
Step 204: base station is added up and recorded the utilance of Resource Block corresponding to each descending sub frame in descending sub-frame set;
In the embodiment of the present invention, the number of Resource Block corresponding for each descending sub frame in the descending sub frame set counted on is obtained described utilance divided by the resource block number that bandwidth of base station is corresponding by base station;
In the embodiment of the present invention, base station send be filled with downlink business in descending sub frame set each descending sub frame to terminal equipment before, for sent descending sub frame distributes corresponding Resource Block, and not for closing the descending sub frame Resources allocation block of falling in descending sub frame set, like this, base station to know the resource block number in descending sub frame set corresponding to each descending sub frame;
In the embodiment of the present invention, resource block number corresponding to the bandwidth assigned by base station is fixing, and the total resources block number corresponding to the bandwidth of 20M is 100.
Step 205: base station adjusts the size of determined descending sub frame set according to the utilance of Resource Block;
Particularly, base station adjusts the size of determined descending sub frame set in the following way:
Determine the type of service of downlink business;
When downlink business is real time business, if the utilance of Resource Block is not less than the first predetermined value, then reduce descending sub frame set;
When downlink business is non-real-time service, if the utilance of Resource Block is less than the second predetermined value, then expand descending sub frame set.
Wherein, real time business comprises voice or multimedia service etc., and non-real-time service comprises data service etc.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by determining the disposable descending sub frame set sent to terminal equipment, downlink business is concentrated in the data field being filled into part descending sub frame in descending sub frame set, close the descending sub frame not being filled with downlink business in descending sub frame set, and the disposable realization sending to the technical scheme of terminal equipment of each descending sub frame that will downlink business be filled with, improve the closedown probability of descending sub frame, reduce eat dishes without rice or wine transmitting power and the power consumption of base station, also reduce presence of intercell interference simultaneously.
Below in conjunction with concrete experiment embodiment describe in detail the embodiment of the present invention provide technical scheme to bring beneficial effect:
See Fig. 4, for base station in prior art transmission downlink business to the instance graph once calling a descending sub frame during terminal equipment;
See Fig. 5, to provide by the embodiment of the present invention in technical scheme base station at transmission downlink business to the instance graph once calling three descending sub frames during terminal equipment;
For the onesize downlink business in the same time period, as seen from Figure 4, when a descending sub frame transmission downlink business is once called in base station, the every 1ms in base station sends a descending sub frame to terminal equipment, symbol in the descending sub frame sent all part is filled with downlink business, can not carry out subframe closedown, as seen from Figure 5, when three descending sub frames transmission downlink business are once called in base station, the disposable transmission of the every 3ms in base station three descending sub frames are to terminal equipment, and downlink business is concentrated in the descending sub frame that is filled in before in these three descending sub frames, and the descending sub frame not being filled with downlink business is closed, be filled with the symbol be not filled in the descending sub frame of downlink business to be closed, add symbol and the pent probability of idle subframe, the energy consumption of 10% to 20% can be saved in base station, under the scene that downlink business is less, even can save the energy consumption of more than 60%.
See Fig. 6, the embodiment of the present invention additionally provides a kind of base station, and this base station specifically comprises: scheduler module 301, processing module 302 and sending module 303;
Wherein, scheduler module 301, for determining the disposable descending sub frame set sent to terminal equipment;
Processing module 302, for downlink business is concentrated be filled into part descending sub frame in descending sub frame set data field in, close the descending sub frame not being filled with downlink business in descending sub frame set;
Sending module 303, for sending to terminal equipment by disposable for each descending sub frame being filled with downlink business.
Specifically see Fig. 7, the processing module 302 in the embodiment of the present invention shown in Fig. 6 comprises:
Business blocking unit 3021, for being divided into N number of downlink business block according to the data field of descending sub frame large young pathbreaker downlink business, N is more than or equal to the integer that 1 is less than or equal to descending sub frame set sizes;
Filler cells 3022, for from the descending sub frame of first in descending sub frame set, continuous print selects N number of descending sub frame, inserts in the data field of selected N number of descending sub frame respectively by N number of downlink business block correspondence;
Subframe closing unit 3023, for closing descending sub frame non-selected in descending sub frame set.
Specifically see Fig. 8, the processing module 302 in the embodiment of the present invention shown in Fig. 7 also comprises:
Symbol closing unit 3024, for when there is the symbol not being filled with downlink business in the data field of N number of descending sub frame, closes the symbol not being filled with downlink business.
See Fig. 9, the base station in the embodiment of the present invention shown in Fig. 6 also comprises:
Statistical module 304, for adding up and recording the utilance of Resource Block corresponding to each descending sub frame in descending sub-frame set;
Dispatching adjustment module 305, for the size of the utilance adjustment descending sub frame set according to Resource Block.
See Figure 10, the Dispatching adjustment module 305 in the embodiment of the present invention shown in Fig. 9 comprises:
Type of service determining unit 3051, for determining the type of service of downlink business;
First Dispatching adjustment unit 3052, for when downlink business is real time business, if the utilance of Resource Block is not less than the first predetermined value, then reduces descending sub frame set;
Second Dispatching adjustment unit 3053, for when downlink business is non-real-time service, if the utilance of Resource Block is less than the second predetermined value, then expands descending sub frame set.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by determining the disposable descending sub frame set sent to terminal equipment, downlink business is concentrated in the data field being filled into part descending sub frame in descending sub frame set, close the descending sub frame not being filled with downlink business in descending sub frame set, and the disposable realization sending to the technical scheme of terminal equipment of each descending sub frame that will downlink business be filled with, improve the closedown probability of descending sub frame, reduce eat dishes without rice or wine transmitting power and the power consumption of base station, also reduce presence of intercell interference simultaneously; In addition, base station is not also closed in the descending sub frame being filled with downlink business by the symbol of downlink business, so, the operation of descending sub frame to terminal equipment being filled with downlink business that base station is closed at transmitting portion symbol, also can reduce presence of intercell interference to a certain extent.
Interaction in base station in the present embodiment between each module, can consult the explanation of embodiment of the method part, repeat no more herein.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dispatching method for descending sub frame, is characterized in that, described method comprises:
Determine the disposable descending sub frame set sent to terminal equipment;
Downlink business is concentrated be filled into part descending sub frame in described descending sub frame set data field in, close the descending sub frame not being filled with downlink business in described descending sub frame set;
Described terminal equipment is sent to by disposable for each descending sub frame being filled with downlink business;
Wherein, determine the disposable descending sub frame set sent to terminal equipment, comprising:
According to the type of service of the downlink business that will send, determine the disposable descending sub frame set sent to terminal equipment.
2. method according to claim 1, is characterized in that, described downlink business is concentrated be filled into part descending sub frame in described descending sub frame set data field in, close the descending sub frame not being filled with downlink business in described descending sub frame set, comprising:
Be divided into N number of downlink business block according to downlink business described in the large young pathbreaker of the data field of descending sub frame, N is more than or equal to the integer that 1 is less than or equal to described descending sub frame set sizes;
From first descending sub frame in described descending sub frame set, continuous print selects N number of descending sub frame, inserts in the data field of selected N number of descending sub frame respectively by described N number of downlink business block correspondence;
Close non-selected descending sub frame in described descending sub frame set.
3. method according to claim 2, is characterized in that, described by disposable for each descending sub frame being filled with downlink business send to described terminal equipment before, described method also comprises:
When there is the symbol not being filled with downlink business in the data field of N number of descending sub frame, described in closedown, be not filled with the symbol of downlink business.
4. the method according to any one of claims 1 to 3, is characterized in that, described by disposable for each descending sub frame being filled with downlink business send to described terminal equipment after, described method also comprises:
Add up and record the utilance of Resource Block corresponding to each descending sub frame in described descending sub frame set;
The size of described descending sub frame set is adjusted according to the utilance of described Resource Block.
5. method according to claim 4, is characterized in that, the described utilance according to described Resource Block adjusts the size of described descending sub frame set, comprising:
Determine the type of service of described downlink business;
When described downlink business is real time business, if the utilance of described Resource Block is not less than the first predetermined value, then reduce described descending sub frame set;
When described downlink business is non-real-time service, if the utilance of described Resource Block is less than the second predetermined value, then expand described descending sub frame set.
6. a base station, is characterized in that, described base station comprises: scheduler module, processing module and sending module;
Described scheduler module, for determining the disposable descending sub frame set sent to terminal equipment;
Described processing module, for downlink business is concentrated be filled into part descending sub frame in described descending sub frame set data field in, close the descending sub frame not being filled with downlink business in described descending sub frame set;
Described sending module, for sending to described terminal equipment by disposable for each descending sub frame being filled with downlink business;
The disposable descending sub frame set sent to terminal equipment, also for the type of service according to the downlink business that will send, is determined in described base station.
7. base station according to claim 6, is characterized in that, described processing module comprises:
Business blocking unit, for being divided into N number of downlink business block according to downlink business described in the large young pathbreaker of the data field of descending sub frame, N is more than or equal to the integer that 1 is less than or equal to described descending sub frame set sizes;
Filler cells, for from first descending sub frame in described descending sub frame set, continuous print selects N number of descending sub frame, inserts in the data field of selected N number of descending sub frame respectively by described N number of downlink business block correspondence;
Subframe closing unit, for closing descending sub frame non-selected in described descending sub frame set.
8. base station according to claim 7, is characterized in that, described processing module also comprises:
Symbol closing unit, for when there is the symbol not being filled with downlink business in the data field of N number of descending sub frame, closes the described symbol not being filled with downlink business.
9. the base station according to any one of claim 6 to 8, is characterized in that, described base station also comprises:
Statistical module, for adding up and recording the utilance of Resource Block corresponding to each descending sub frame in described descending sub frame set;
Dispatching adjustment module, for adjusting the size of described descending sub frame set according to the utilance of described Resource Block.
10. base station according to claim 9, is characterized in that, described Dispatching adjustment module comprises:
Type of service determining unit, for determining the type of service of described downlink business;
First Dispatching adjustment unit, for when described downlink business is real time business, if the utilance of described Resource Block is not less than the first predetermined value, then reduces described descending sub frame set;
Second Dispatching adjustment unit, for when described downlink business is non-real-time service, if the utilance of described Resource Block is less than the second predetermined value, then expands described descending sub frame set.
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| CN106134271B (en) * | 2014-12-19 | 2019-10-25 | 华为技术有限公司 | A kind of device and method of data transmission |
| CN110752901B (en) * | 2018-07-24 | 2022-05-03 | 中兴通讯股份有限公司 | Method and device for moving symbols in wireless frame |
| CN110062450B (en) * | 2019-06-05 | 2022-02-15 | 中国联合网络通信集团有限公司 | Method, device and equipment for saving energy consumption of 5G base station and readable storage medium |
| CN113452478B (en) * | 2021-06-04 | 2022-07-08 | 中国联合网络通信集团有限公司 | Frame structure determining method and device |
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