CN101505507A - Method and apparatus for regulating sub-frame ratio between uplink and downlink - Google Patents
Method and apparatus for regulating sub-frame ratio between uplink and downlink Download PDFInfo
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- CN101505507A CN101505507A CNA2009100792673A CN200910079267A CN101505507A CN 101505507 A CN101505507 A CN 101505507A CN A2009100792673 A CNA2009100792673 A CN A2009100792673A CN 200910079267 A CN200910079267 A CN 200910079267A CN 101505507 A CN101505507 A CN 101505507A
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Abstract
The invention discloses a method and a device for adjusting a ratio of uplink and downlink subframes, and belongs to the field of wireless communication. The method comprises the following steps of: regularly counting uplink and downlink loads; and according to the uplink and the downlink loads, uplink public area cost and downlink public area cost, adjusting the ratio of the uplink and the downlink subframes. The method also comprises the steps of: counting the ratio of the uplink and the downlink loads of a whole network in a preset time; and according to the ratio of the uplink and the downlink loads of the whole network, determining the ratio of the uplink and the downlink subframes in a preset time. The device comprises a statistic module and an adjusting module. The device comprises a statistic module and a determining module. The method and the device can adjust the ratio of the uplink and the downlink subframes according to the uplink and the downlink loads, thereby improving the utilization ratio and simultaneously providing better service for users.
Description
Technical field
The present invention relates to wireless communication field, particularly a kind of method and device of adjusting uplink and downlink subframe ratio.
Background technology
WiMAX (World wide Interoperability for Microwave Access, World Interoperability for Microwave Access, WiMax) technology is as supporting that fixing and certain ambulant metropolitan area wireless access wide band technology is one of wireless access wide band technology of paying close attention to the most of present industry.Compare other 3G technologies, WiMAX has the transmission rate height, networking speed is fast, construction cost is low, area coverage is wide, availability of frequency spectrum advantages of higher.
The DCD of WiMAX system (Downlink Channel Descriptor, down channel is described) be a huge broadcast, after the selected uplink and downlink subframe ratio in base station, will in DCD message, issue according to certain all period interval, will keep the subframe constant rate in a period of time with interior, indicated TTG (Transmit/receive TransitionGap in this DCD message, transmission/reception conversion interval), RTG (Receive/transmit Transition Gap, reception/transmission conversion interval) and the downlink protocol among the DCD, point out the symbolic number of descending sub frame in this downlink protocol, also pointed out the symbolic number of current descending sub frame in the descending mapping message.
After above-mentioned prior art was analyzed, the inventor found:
When 1) determining the subframe ratio according to DCD message, when the subframe ratio changed, the DCD message content also needed to change, and the change of DCD message needs the DCD message after twice transmission upgraded, and changed the DCD counting.DLMAP also will make corresponding D CD count update, to guarantee that terminal correctly is updated to new DCD.
2) Gu Ding subframe ratio and actual load do not match
When DCD message issues the subframe ratio in the interval, will keep the subframe constant rate in a period of time with interior, but in the practical application, the traffic load state of uplink and downlink is can be according to different periods, user's different business demand and dynamic change, original probably subframe ratio has been not suitable for current load character, not only waste interface-free resources, and can make the user experience variation, cause damage to operator simultaneously.
3) frequent updating DCD message
Decision changes current subframe ratio when the base station, also will upgrade the descending sub frame symbolic number in the DCD message accordingly, and the renewal more complicated of DCD.If the amplitude of variation of subframe ratio is very fast, just need frequent renewal DCD message, this brings very big influence will for the regular traffic transmission of base station and terminal.Because DCD is the new technological process more complicated more, process is also long, therefore can influence the promptness that the subframe ratio is adjusted.
Summary of the invention
In order to improve the utilance of eating dishes without rice or wine, improve user experience, the embodiment of the invention provides method and the device of adjusting uplink and downlink subframe ratio.Described technical scheme is as follows:
The embodiment of the invention provides a kind of method of adjusting uplink and downlink subframe ratio, and described method comprises:
Regularly add up the uplink and downlink load,, adjust uplink and downlink uplink and downlink subframe ratio according to described uplink and downlink load and up public area expense and descending controlled area expense.
The embodiment of the invention provides a kind of method of determining uplink and downlink subframe ratio of adjusting, and described method comprises:
The uplink and downlink load proportion situation of statistics the whole network in Preset Time;
According to the uplink and downlink load proportion situation of described the whole network, in the Preset Time section, determine uplink and downlink uplink and downlink subframe ratio.
The embodiment of the invention provides a kind of device of adjusting uplink and downlink subframe ratio, and described device comprises: statistical module and adjusting module;
Described statistical module is used for regularly adding up the uplink and downlink load;
Described adjusting module, the uplink and downlink that are used for coming out according to described statistical module counts are loaded and up public area expense and descending controlled area expense, adjust uplink and downlink subframe ratio.
The embodiment of the invention provides a kind of device of determining uplink and downlink subframe ratio of adjusting, and described device comprises: statistical module and determination module;
Described statistical module is used in Preset Time the uplink and downlink load proportion situation of system the whole network;
Described determination module is used for the uplink and downlink load proportion situation according to the whole network of described statistical module counts, determines uplink and downlink uplink and downlink subframe ratio in the Preset Time section.
The beneficial effect of the technical scheme that the embodiment of the invention provides is: by statistics uplink and downlink load, result according to statistics adjusts uplink and downlink subframe ratio, when increasing operation rate, respond the variation of uplink and downlink load timely, provide better service to the user.
Description of drawings
Fig. 1 is the method flow schematic diagram of the adjustment uplink and downlink subframe ratio that provides of the embodiment of the invention 1;
Fig. 2 is the method flow schematic diagram of the adjustment uplink and downlink subframe ratio that provides of the embodiment of the invention 2;
Fig. 3 is the apparatus structure schematic diagram of the adjustment uplink and downlink subframe ratio that provides of the embodiment of the invention 3;
Fig. 4 is the apparatus structure schematic diagram of the adjustment uplink and downlink subframe ratio that provides of the embodiment of the invention 4.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, the embodiment of the invention provides a kind of method of adjusting uplink and downlink subframe ratio, and this method comprises:
101: regularly add up the uplink and downlink load;
Wherein, uplink load comprises: active grant bandwidth, terminal request bandwidth and signaling data etc.; Downlink load mainly is the downlink message data volume that arrives the base station.
The interval of timing statistics can be provided with as the case may be, for example is set to 5ms, just every frame is all added up.
102:, adjust uplink and downlink subframe ratio according to the uplink and downlink load and up public area expense and the descending controlled area expense that come out.
Concrete, can be with the ratio of uplink load, up public area expense sum and downlink load, descending controlled area expense sum uplink and downlink subframe ratio, i.e. uplink and downlink subframe as adjustment
Wherein, this method also comprises:
103: determine uplink and downlink subframe symbolic number according to the uplink and downlink subframe ratio that obtains, and determine present frame DL-MAP (Down Link-MAP according to this uplink and downlink subframe symbolic number, up mapping message) and UL-MAP (UpLink-MAP, descending mapping message);
Wherein, DL-MAP and UL-MAP are existing message, can directly the respective field of this DL-MAP and UL-MAP be made amendment according to uplink and downlink subframe symbolic number, have promptly determined DL-MAP and UL-MAP.
104: this present frame DL-MAP and UL-MAP are sent to terminal.
Wherein, after terminal is received this present frame DL-MAP and UL-MAP, obtain the position that data send and receive according to this DL-MAP and UL-MAP, these belong to prior art, repeat no more herein.
Wherein, before regularly adding up the uplink and downlink load, also comprise:
Remove the descending sub frame symbolic number in the DCD message.
Wherein, remove the descending sub frame symbolic number in the DCD message, not only can reduce DCD message and take expense, and can avoid when changing uplink and downlink subframe ratio, starting the flow process of upgrading DCD.
Present embodiment is applicable to the WiMAX base station or the isolated website of inter-frequency networking.Because the sharing of load difference of different base station, therefore the uplink and downlink load after the scheduling is also variant, if adopt FFR (fractional frequency reuse, partial frequency multiplexing) WiMAX of identical networking, uplink and downlink subframe ratio is also dynamically adjusted according to scheduling result in the base station, will certainly impact the adjacent area.
The embodiment of the invention can also be applied in the system that various uplink and downlink bandwidths can join, as WiMAX LTE (LongTerm Evolution, Long Term Evolution) system.
The beneficial effect of the method that the embodiment of the invention provides is: the uplink and downlink load according to statistics is adjusted uplink and downlink subframe ratio, remove the descending sub frame symbolic number in the DCD message, when needs change uplink and downlink subframe ratio, need not upgrade DCD message, reduce overhead, reduce the complexity of operation, improved utilance, and respond the variation of uplink and downlink load timely, make the conversion of uplink and downlink subframe ratio more timely, provide better service to the user.
Embodiment 2
Referring to Fig. 2, the embodiment of the invention is that example provides a kind of method of adjusting uplink and downlink subframe ratio with the WiMAX system, and this method comprises:
201: the uplink and downlink load proportion situation of statistics WiMAX the whole network in Preset Time;
Wherein, Preset Time can be provided with a week, two weeks, or the longer time, as 1 year or 2 years, and the uplink and downlink load proportion situation of change of Various Seasonal WiMAX the whole network in different periods, a year in Preset Time in the statistics somewhere one day.
202:, determine the uplink and downlink subframe ratio in the Preset Time section according to the uplink and downlink load proportion situation of WiMAX the whole network of adding up.
For example, the user who browses news web page morning on the way to office is many, so the ratio that descending sub frame can be taken in this time period setting is bigger; Work hours on daytime, the telephone subscriber was many, therefore can the subframe ratio be set to the uplink and downlink equity in this time period.Various Seasonal people's daily schedule also can change to some extent in 1 year, so uplink and downlink subframe ratio also can be made adjustment accordingly.
The embodiment of the invention is applicable to the network of various WiMAX networking modes.
Because during the FFR networking, each self-adjusting uplink and downlink subframe causes interference to Lin Qu than regular meeting, so determining uplink and downlink subframe ratio in the Preset Time section will carry out determining synchronously to the uplink and downlink subframe ratio of the whole network, in order to guarantee that synchronously the control base station determines that uplink and downlink subframe ratio is preferably in the webmastering software place and carries out.
The embodiment of the invention can also be applied in the system that various uplink and downlink bandwidths can join, as WiMAX LTE system.
The beneficial effect of the method that the embodiment of the invention provides is: add up by the long-term uplink and downlink load proportion to the WiMAX the whole network in somewhere, the service of hommization is provided for the user according to statistics, improve the utilance of eating dishes without rice or wine to a certain extent, improve user experience.
Embodiment 3
Referring to Fig. 3, the embodiment of the invention provides a kind of device of adjusting uplink and downlink subframe ratio, and this device comprises:
Wherein, uplink load comprises: active grant bandwidth, terminal request bandwidth and signaling data etc.; Downlink load mainly is the downlink message data volume that arrives the base station.
The interval of timing statistics can be provided with as the case may be, for example is set to 5ms, just every frame is all added up.
Adjusting module 302, the uplink and downlink that are used for coming out according to statistical module 301 are loaded and up public area expense and descending controlled area expense, adjust uplink and downlink subframe ratio.
Concrete, can be with the ratio of uplink load, up public area expense sum and downlink load, descending controlled area expense sum uplink and downlink subframe ratio, i.e. uplink and downlink subframe as adjustment
Wherein, this device also comprises:
Determination module 303, the uplink and downlink subframe ratio that is used for obtaining according to adjusting module 302 is determined uplink and downlink subframe symbolic number, and determines present frame DL-MAP and UL-MAP according to this uplink and downlink subframe symbolic number;
Wherein, DL-MAP and UL-MAP are existing message, can directly the respective field of this DL-MAP and UL-MAP be made amendment according to uplink and downlink subframe symbolic number, have promptly determined DL-MAP and UL-MAP.
Sending module 304, the present frame DL-MAP and the UL-MAP that are used for determination module 303 is obtained send to terminal.
Wherein, after terminal is received this present frame DL-MAP and UL-MAP, obtain the position that data send and receive according to this DL-MAP and UL-MAP, these belong to prior art, repeat no more herein.
Wherein, this device also comprises:
Remove module, be used for removing the descending sub frame symbolic number of DCD message.
Wherein, remove the descending sub frame symbolic number in the DCD message, not only can reduce DCD message and take expense, and can avoid when changing uplink and downlink subframe ratio, starting the flow process of upgrading DCD.
Present embodiment is applicable to the WiMAX base station or the isolated website of inter-frequency networking.Because the sharing of load difference of different base station, therefore the uplink and downlink load after the scheduling is also variant, if adopt the WiMAX of FFR identical networking, uplink and downlink subframe ratio is also dynamically adjusted according to scheduling result in the base station, will certainly impact the adjacent area.
The embodiment of the invention can also be applied in the system that various uplink and downlink bandwidths can join, as WiMAX LTE system.
The beneficial effect of the device that the embodiment of the invention provides is: the uplink and downlink load according to statistics is adjusted uplink and downlink subframe ratio, remove the descending sub frame symbolic number in the DCD message, when needs change uplink and downlink subframe ratio, need not upgrade DCD message, reduce overhead, reduce the complexity of operation, improved utilance, and respond the variation of uplink and downlink load timely, make the conversion of uplink and downlink subframe ratio more timely, provide better service to the user.
Embodiment 4
Referring to Fig. 4, the embodiment of the invention is that example provides a kind of device of adjusting uplink and downlink subframe ratio with the WiMAX system, and this device comprises: statistical module 401 and determination module 402;
Wherein, Preset Time can be provided with a week, two weeks, or the longer time, as 1 year or 2 years, and the uplink and downlink load proportion situation of change of Various Seasonal WiMAX the whole network in different periods, a year in Preset Time in the statistics somewhere one day.
For example, the user who browses news web page morning on the way to office is many, so the ratio that descending sub frame can be taken in this time period setting is bigger; Work hours on daytime, the telephone subscriber was many, therefore can the subframe ratio be set to the uplink and downlink equity in this time period.Various Seasonal people's daily schedule also can change to some extent in 1 year, so uplink and downlink subframe ratio also can be made adjustment accordingly.
The embodiment of the invention is applicable to the network of various WiMAX networking modes.
Because during the FFR networking, each self-adjusting uplink and downlink subframe causes interference to the adjacent area than regular meeting, so determining uplink and downlink subframe ratio in the Preset Time section will carry out determining synchronously to the uplink and downlink subframe ratio of the whole network, in order to guarantee that synchronously the control base station determines that uplink and downlink subframe ratio is preferably in the webmastering software place and carries out.
The embodiment of the invention can also be applied in the system that various uplink and downlink bandwidths can join, as WiMAX LTE system.
The beneficial effect of the method that the embodiment of the invention provides is: add up by the long-term uplink and downlink load proportion to the WiMAX the whole network in somewhere, the service of hommization is provided for the user according to statistics, improve the utilance of eating dishes without rice or wine to a certain extent, improve user experience.
The embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, for example, and in the hard disk of computer, buffer memory or the CD.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a method of adjusting uplink and downlink subframe ratio is characterized in that, described method comprises:
Regularly add up the uplink and downlink load,, adjust uplink and downlink subframe ratio according to described uplink and downlink load and up public area expense and descending controlled area expense.
2, method according to claim 1 is characterized in that, and is described according to described uplink and downlink load and up public area expense and descending controlled area expense, adjusts uplink and downlink subframe ratio and comprises:
With the ratio of uplink load, up public area expense sum and downlink load, descending controlled area expense sum as the uplink and downlink subframe ratio of adjusting.
3. method according to claim 1 is characterized in that, described method also comprises:
Determine uplink and downlink subframe symbolic number according to described uplink and downlink subframe ratio, and determine up mapping message DL-MAP of present frame and descending mapping message UL-MAP, and described present frame DL-MAP and UL-MAP are sent to terminal according to described uplink and downlink subframe symbolic number.
4. method according to claim 1 is characterized in that, before regularly adding up the uplink and downlink load, also comprises:
Remove the descending sub frame symbolic number in the down channel describing message.
5. a method of adjusting uplink and downlink subframe ratio is characterized in that, described method comprises:
The uplink and downlink load proportion situation of statistics the whole network in Preset Time;
According to the uplink and downlink load proportion situation of described the whole network, in the Preset Time section, determine uplink and downlink subframe ratio.
6. a device of adjusting uplink and downlink subframe ratio is characterized in that, described device comprises: statistical module and adjusting module;
Described statistical module is used for regularly adding up the uplink and downlink load;
Described adjusting module, the uplink and downlink that are used for coming out according to described statistical module counts are loaded and up public area expense and descending controlled area expense, adjust uplink and downlink subframe ratio.
7. device according to claim 6 is characterized in that, described device also comprises: determination module and sending module;
Described determination module, the uplink and downlink subframe ratio that is used for obtaining according to described adjusting module is determined uplink and downlink subframe symbolic number, and determines up mapping message DL-MAP of present frame and descending mapping message UL-MAP according to described uplink and downlink subframe symbolic number;
Described sending module, the present frame DL-MAP and the UL-MAP that are used for described determination module is obtained send to terminal.
8. device according to claim 6 is characterized in that, described device also comprises:
Remove module, be used for removing the descending sub frame symbolic number of down channel describing message.
9. a device of adjusting uplink and downlink subframe ratio is characterized in that, described device comprises: statistical module and determination module;
Described statistical module, the uplink and downlink load proportion situation that is used in Preset Time, adding up the whole network;
Described determination module is used for the uplink and downlink load proportion situation according to the whole network of described statistical module counts, determines uplink and downlink subframe ratio in the Preset Time section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100792673A CN101505507B (en) | 2009-03-05 | 2009-03-05 | Method and apparatus for regulating sub-frame ratio between uplink and downlink |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100792673A CN101505507B (en) | 2009-03-05 | 2009-03-05 | Method and apparatus for regulating sub-frame ratio between uplink and downlink |
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| CN101505507A true CN101505507A (en) | 2009-08-12 |
| CN101505507B CN101505507B (en) | 2011-05-11 |
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| CN2009100792673A Expired - Fee Related CN101505507B (en) | 2009-03-05 | 2009-03-05 | Method and apparatus for regulating sub-frame ratio between uplink and downlink |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291775A (en) * | 2010-06-17 | 2011-12-21 | 中兴通讯股份有限公司 | Method and device for automatically adjusting uplink and downlink time slot ratio |
| CN102300316A (en) * | 2010-06-28 | 2011-12-28 | 中兴通讯股份有限公司 | Method and device for self-adaptively regulating uplink and downlink bandwidths |
| CN103475503A (en) * | 2012-04-30 | 2013-12-25 | 兰蒂克德国有限责任公司 | Dynamic update of transmission settings and robust management communication channel |
| CN103563272A (en) * | 2011-04-01 | 2014-02-05 | 英特尔公司 | Flexible adjustment of uplink and downlink ratio configuration |
| CN107079422A (en) * | 2014-09-25 | 2017-08-18 | 富士通株式会社 | Subframe scheduling method, data receiving-transmitting method under half-duplex system, device and system |
| CN108076514A (en) * | 2016-11-07 | 2018-05-25 | 中国移动通信有限公司研究院 | A kind of uplink and downlink timeslot method of adjustment, centralized management equipment and base station |
| CN108271199A (en) * | 2016-12-31 | 2018-07-10 | 中国移动通信集团四川有限公司 | Adjust the method and device of cell uplink and downlink resource proportioning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1264379C (en) * | 2003-12-05 | 2006-07-12 | 大唐移动通信设备有限公司 | Method and apparatus for upstream and downstream resource allocation in time division duplexing mobile communication system |
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- 2009-03-05 CN CN2009100792673A patent/CN101505507B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291775A (en) * | 2010-06-17 | 2011-12-21 | 中兴通讯股份有限公司 | Method and device for automatically adjusting uplink and downlink time slot ratio |
| CN102300316A (en) * | 2010-06-28 | 2011-12-28 | 中兴通讯股份有限公司 | Method and device for self-adaptively regulating uplink and downlink bandwidths |
| CN103563272A (en) * | 2011-04-01 | 2014-02-05 | 英特尔公司 | Flexible adjustment of uplink and downlink ratio configuration |
| US9794859B2 (en) | 2011-04-01 | 2017-10-17 | Intel Corporation | Flexible adjustment of uplink and downlink ratio configuration |
| US10455482B2 (en) | 2011-04-01 | 2019-10-22 | Intel Corporation | Flexible adjustment of uplink and downlink ratio configuration |
| CN103475503A (en) * | 2012-04-30 | 2013-12-25 | 兰蒂克德国有限责任公司 | Dynamic update of transmission settings and robust management communication channel |
| CN103475503B (en) * | 2012-04-30 | 2018-07-17 | 领特贝特林共有限责任两合公司 | The dynamic update of transmission setting and steady managing communication channels |
| CN107079422A (en) * | 2014-09-25 | 2017-08-18 | 富士通株式会社 | Subframe scheduling method, data receiving-transmitting method under half-duplex system, device and system |
| CN108076514A (en) * | 2016-11-07 | 2018-05-25 | 中国移动通信有限公司研究院 | A kind of uplink and downlink timeslot method of adjustment, centralized management equipment and base station |
| CN108076514B (en) * | 2016-11-07 | 2020-10-27 | 中国移动通信有限公司研究院 | Uplink and downlink time slot adjusting method, centralized management equipment and base station |
| CN108271199A (en) * | 2016-12-31 | 2018-07-10 | 中国移动通信集团四川有限公司 | Adjust the method and device of cell uplink and downlink resource proportioning |
| CN108271199B (en) * | 2016-12-31 | 2021-10-29 | 中国移动通信集团四川有限公司 | Method and device for adjusting uplink and downlink resource ratio of cell |
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