CN101848543B - Method and device for managing carrier wave indicator in carrier aggregation - Google Patents
Method and device for managing carrier wave indicator in carrier aggregation Download PDFInfo
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- CN101848543B CN101848543B CN201010157955.XA CN201010157955A CN101848543B CN 101848543 B CN101848543 B CN 101848543B CN 201010157955 A CN201010157955 A CN 201010157955A CN 101848543 B CN101848543 B CN 101848543B
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- component carrier
- son field
- indicating device
- carrier wave
- wave indicating
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Abstract
The invention discloses a method and a device for managing a carrier wave indicator in carrier aggregation. The method comprises the following step that: a base station performs activation management on the carrier wave indicator according to a quantity corresponding relation between uplink constituting carrier waves and downlink constituting carrier waves used by user equipment. The device comprises a management module of the carrier wave indicator, wherein the management module is arranged on the base station and is used for performing the activation management on the carrier wave indicator according to the quantity corresponding relation between the uplink constituting carrier waves and the downlink constituting carrier waves used by the user equipment. The method and the device clearly points out that the base station only uses the carrier wave indicator when necessary, so the constituting carrier waves used by the user equipment can be effectively indicated, the effectiveness of carrier aggregation technology is ensured, unnecessary complexity of a system cannot be increased and the expense of the system is lowered.
Description
Technical field
The present invention relates to the carrier aggregation technology in cordless communication network, in particular to management method and the device of the carrier wave indicating device in a kind of carrier aggregation.
Background technology
In follow-on broadband wireless communication network, how solve in cordless communication network and support larger bandwidth become a key factor that improves inter-cell user terminal throughput and user terminal average throughput and be faced with formidable challenges under the bandwidth in current wireless communication system.
LTE-A system (Long Term Evolution-Advanced, senior Long Term Evolution) be LTE (the Long Term Evolution of 3GPP (third generation partner program), Long Term Evolution) evolution system of future generation of system, it has proposed carrier aggregation (Carrier Aggregation) technology, in order to be subscriber equipment (User Equipment, abbreviation UE) provide larger bandwidth, improve the peak rate of UE, thereby meet in the new generation of wireless standard demand to indexs such as throughput, peak rates.Carrier aggregation is the key technology of the larger bandwidth of system support in cordless communication network, by the carrier wave to different, carries out polymerization, forms larger wider carrier wave, supports the subscriber equipment with stronger ability on the bandwidth after polymerization.In LTE, the maximum downstream transmission bandwidth of system support is 20MHz, and by carrier aggregation technology, two or more component carrier (Component Carriers, carrier wave also weighs) can be aggregating to support to be greater than the transmission bandwidth of 20MHz.
Due to the complexity of the component carrier in carrier aggregation technology, exist and how component carrier is indicated, so that the problem of good application carrier aggregation technology.If but need to be indicated component carrier, may increase overhead, prior art not yet has solution to these problems.
Summary of the invention
Technical problem to be solved by this invention is, a kind of carrier wave indicating device management method and device are provided, and the component carrier that can effectively use the carrier wave indicating device to use subscriber equipment is indicated and can not increase unnecessary overhead.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of management method of carrier wave indicating device comprises:
Up link component carrier quantity and down link component carrier quantity that base station is used according to subscriber equipment, activate management to the carrier wave indicating device.
In an embodiment of the present invention, when up link component carrier quantity is greater than or less than down link component carrier quantity, activate the carrier wave indicating device; When up link component carrier quantity equals down link component carrier quantity, do not activate the carrier wave indicating device.
In an embodiment of the present invention, comprise the following steps:
Base station arranges component carrier quantity contrast son field, and the up link component carrier quantity of using according to subscriber equipment and down link component carrier quantity corresponding relation are determined number of carriers contrast son field;
Base station arranges the carrier wave indicating device and activates son field, determines the activation son field of carrier wave indicating device according to described component carrier quantity contrast son field;
Base station activates according to the carrier wave indicating device that son field is activated the carrier wave indicating device or activation manipulation not.
In an embodiment of the present invention, further comprising the steps of:
Base station arranges carrier wave indicating device configuration son field, and carrier wave indicating device configuration son field selection threshold value is set.
Base station is by definite subscriber equipment quantity and the described threshold comparison of described component carrier quantity contrast son field, if the definite subscriber equipment quantity of component carrier quantity contrast son field is greater than described threshold value, base station is that all subscriber equipmenies arrange identical carrier wave indicating device configuration son field; Otherwise base station is that similar subscriber equipment uses identical carrier wave indicating device configuration son field.
In an embodiment of the present invention, also comprise: whole carrier wave types of indicators of supporting are determined in base station according to down link control information (DCI).
In an embodiment of the present invention, also comprise: base station, according to bandwidth ability and the performance requirement of subscriber equipment, is user equipment allocation up link component carrier and down link component carrier.
The present invention also provides a kind of management devices of carrier wave indicating device, the administration module that comprises the carrier wave indicating device that is arranged at base station, described administration module, for the up link component carrier according to the subscriber equipment use and the quantity corresponding relation of down link component carrier, activates management to the carrier wave indicating device.
In an embodiment of the present invention, also comprise: when up link component carrier quantity is greater than or less than down link component carrier quantity, described administration module activates the carrier wave indicating device; When up link component carrier quantity equals down link component carrier quantity, described administration module does not activate the carrier wave indicating device.
In an embodiment of the present invention, described administration module arranges component carrier quantity contrast son field, and the quantity corresponding relation of the up link component carrier used according to subscriber equipment and down link component carrier is determined described component carrier quantity contrast son field;
Described administration module arranges the carrier wave indicating device and activates son field, according to described component carrier quantity contrast son field, determines that the carrier wave indicating device activates son field; Be specially: when up link component carrier quantity is greater than or less than down link component carrier quantity, determine that described carrier wave indicating device activates son field for activating; When up link component carrier quantity equals down link component carrier quantity, determine that described carrier wave indicating device activates son field for not activating;
In an embodiment of the present invention, described administration module arranges carrier wave indicating device configuration son field, and carrier wave indicating device configuration son field selection threshold value is set;
The subscriber equipment quantity that administration module is definite by component carrier quantity contrast son field and carrier wave indicating device configuration son field are selected threshold comparison, if the definite subscriber equipment quantity of component carrier quantity contrast son field is greater than threshold value, administration module is that all subscriber equipmenies arrange identical carrier wave indicating device configuration son field; Otherwise administration module is that similar subscriber equipment uses identical carrier wave indicating device configuration son field.
The beneficial effect that the present invention possesses is: by base station, according to subscriber equipment, use up link component carrier quantity and down link component carrier quantity corresponding relation, the clear and definite activation way to manage of carrier wave indicating device, determined and activated or do not activated the carrier wave indicating device, thereby can be just to use when being necessary the carrier wave indicating device, thereby the component carrier that can effectively use subscriber equipment is indicated, guaranteed the validity of carrier aggregation technology, can not increase the complexity that system is unnecessary again, reduce overhead.
The accompanying drawing explanation
The flow chart that Fig. 1 is the present invention's carrier wave indicating device that is embodiment.
Embodiment
Below by embodiment, by reference to the accompanying drawings the present invention is described in further detail.
The management method of the carrier wave indicating device in the embodiment of the present invention, mainly in order better to use the carrier wave indicating device to be indicated the component carrier of UE use, it is mainly conceived: the up link component carrier that base station is used according to subscriber equipment and the quantity corresponding relation of down link component carrier, activate management to the carrier wave indicating device.So, can activate when being necessary the carrier wave indicating device, and do not activate the carrier wave indicating device in unnecessary, thereby both can effectively utilize the carrier wave indicating device, the component carrier of UE use be indicated, take full advantage of the advantage of carrier aggregation technology; Can save again the unnecessary expense of system.
Above-mentioned quantity corresponding relation refers to: when up link component carrier quantity is greater than or less than down link component carrier quantity, activate the carrier wave indicating device; When up link component carrier quantity equals down link component carrier quantity, do not activate the carrier wave indicating device.
In the present embodiment, the up link component carrier that subscriber equipment is used and the quantity corresponding relation of down link component carrier are indicated by component carrier quantity contrast son field is set.In addition, base station can also arrange the carrier wave indicating device and activate son field, when component carrier quantity contrast son field determines that up link component carrier quantity is greater than or less than down link component carrier quantity, determine that described carrier wave indicating device activates son field for activating; When up link component carrier quantity equals down link component carrier quantity, determine that described carrier wave indicating device activates son field for not activating;
Base station arranges carrier wave indicating device configuration son field, and carrier wave indicating device configuration son field selection threshold value is set, and described threshold value, can obtain by emulation or experiment, to determine the difference configuration of using the carrier wave types of indicators under different scenes.
Subscriber equipment quantity and carrier wave indicating device configuration son field that base station is definite by described component carrier quantity contrast son field are selected threshold comparison, if the definite subscriber equipment quantity of component carrier quantity contrast son field is greater than threshold value, base station is that all subscriber equipmenies arrange identical carrier wave indicating device configuration son field; Otherwise base station is that similar subscriber equipment uses identical carrier wave indicating device configuration son field.Determine the type of different UEs use carrier wave indicating device by the mode of selecting the threshold value comparison, can more effectively use the carrier wave indicating device, and further save overhead.
In an embodiment of the present invention, base station, according to bandwidth and the performance requirement of subscriber equipment, is user equipment allocation up link component carrier and down link component carrier, and according to the quantitative relation of uplink and downlink link component carrier, subscriber equipment is classified.When up link component carrier quantity is greater than or less than down link component carrier quantity, be considered as the subscriber equipment of same type, the subscriber equipment of the type has up link component carrier quantity and the unequal characteristics of down link component carrier quantity.When up link component carrier quantity equals the downlink carrier composing quantity, be considered as the subscriber equipment of another kind of same type, i.e. the subscriber equipment of the type, the up link component carrier equates with down link component carrier quantity.
In the present embodiment, whole carrier wave indicating devices (Carrier Indicator, CI) type that base station is supported is determined according to down link control information (Downlink ControlInformation, DCI) in base station.Because the total bit of down link control information (DCI) is fixed, and adopt described management method, the figure place of reasonable design carrier wave indicating device, can reduce the expense that system is unnecessary.
As shown in Figure 1, the idiographic flow of embodiment of the present invention management is:
Step S101: base station (BS) determines whole carrier wave indicating devices (CI) type of supporting in down link control information (DCI);
Step S102: base station (BS) arranges the configuration of carrier wave indicating device and activates field initialization, and this field comprises that up link and down link component carrier quantity contrast son field, carrier wave indicating device configuration son field, carrier wave indicating device activate son field;
Step S103: base station (BS) arranges carrier wave indicating device configuration son field and selects threshold value;
Step S104: base station (BS) is that subscriber equipment (UE) distributes up link and down link component carrier according to bandwidth ability and the performance requirement of subscriber equipment (UE); And subscriber equipment (UE) being classified according to up link and down link component carrier quantity corresponding relation, and definite component carrier quantity contrast son field;
Step S105: base station, according to component carrier quantity contrast son field, when up link component carrier quantity is greater than or less than down link component carrier quantity, forwards step S106 to; Otherwise, forward step S107 to;
Step S106: base station (BS) determines that activating the carrier wave indicating device activates son field, and forwards step S108 to;
Step S107: base station (BS) determines that not activating the carrier wave indicating device activates son field, and forwards step S108 to;
Step S108: base station (BS) definite subscriber equipment (UE) quantity and carrier wave indicating device configures son field selection threshold comparison by component carrier quantity contrast son field;
Step S109: if user side quantity is not more than threshold value, forward step S110 to, otherwise, forward step S111 to;
Step S110: identical carrier wave indicating device configures son field for similar subscriber equipment (UE) arranges base station (BS), and forwards step S112 to;
Step S111: identical carrier wave indicating device configures son field for all subscriber equipmenies (UE) arrange base station (BS), and forwards step S112 to;
Step S112: base station (BS) finally determines the configuration of carrier wave indicating device and activates field, and notifying user equipment.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. the management method of the carrier wave indicating device in a carrier aggregation, is characterized in that, comprises the following steps:
Base station arranges component carrier quantity contrast son field, and the quantity corresponding relation of the up link component carrier used according to subscriber equipment and down link component carrier is determined described component carrier quantity contrast son field;
Base station arranges the carrier wave indicating device and activates son field, according to described component carrier quantity contrast son field, determines that the carrier wave indicating device activates son field; Be specially: when up link component carrier quantity is greater than or less than down link component carrier quantity, determine that described carrier wave indicating device activates son field for activating;
When up link component carrier quantity equals down link component carrier quantity, determine that described carrier wave indicating device activates son field for not activating;
Base station activates according to the carrier wave indicating device that son field is activated the carrier wave indicating device or activation manipulation not;
Base station arranges carrier wave indicating device configuration son field, and carrier wave indicating device configuration son field selection threshold value is set;
Subscriber equipment quantity and carrier wave indicating device configuration son field that base station is definite by described component carrier quantity contrast son field are selected threshold comparison, if the definite subscriber equipment quantity of component carrier quantity contrast son field is greater than described selection threshold value, base station is that all subscriber equipmenies arrange identical carrier wave indicating device configuration son field; Otherwise base station is that similar subscriber equipment arranges identical carrier wave indicating device configuration son field;
Being classified to subscriber equipment according to the quantitative relation of uplink and downlink link component carrier in base station, comprising:
When up link component carrier quantity is greater than or less than down link component carrier quantity, be considered as the subscriber equipment of same type; When up link component carrier quantity equals the downlink carrier composing quantity, be considered as the subscriber equipment of another kind of same type.
2. the method for claim 1, is characterized in that, also comprises: the carrier wave types of indicators is determined according to down link control information in base station.
3. method as claimed in claim 2, is characterized in that, base station, according to bandwidth ability and the performance requirement of subscriber equipment, is user equipment allocation up link component carrier and down link component carrier.
4. the management devices of the carrier wave indicating device in a carrier aggregation, it is characterized in that, the administration module that comprises the carrier wave indicating device that is arranged at base station, described administration module is for the up link component carrier according to the subscriber equipment use and the quantity corresponding relation of down link component carrier, the carrier wave indicating device is activated to management, specifically comprises:
Administration module arranges component carrier quantity contrast son field, and the quantity corresponding relation of the up link component carrier used according to subscriber equipment and down link component carrier is determined described component carrier quantity contrast son field;
Administration module arranges the carrier wave indicating device and activates son field, according to described component carrier quantity contrast son field, determines that the carrier wave indicating device activates son field; Be specially: when up link component carrier quantity is greater than or less than down link component carrier quantity, determine that described carrier wave indicating device activates son field for activating; When up link component carrier quantity equals down link component carrier quantity, determine that described carrier wave indicating device activates son field for not activating;
Administration module arranges carrier wave indicating device configuration son field, and carrier wave indicating device configuration son field selection threshold value is set;
Subscriber equipment quantity and carrier wave indicating device configuration son field that administration module is definite by described component carrier quantity contrast son field are selected threshold comparison, if the definite subscriber equipment quantity of component carrier quantity contrast son field is greater than threshold value, administration module is that all subscriber equipmenies arrange identical carrier wave indicating device configuration son field; Otherwise administration module is that similar subscriber equipment uses identical carrier wave indicating device configuration son field;
Administration module is classified to subscriber equipment according to the quantitative relation of uplink and downlink link component carrier, comprising: when up link component carrier quantity is greater than or less than down link component carrier quantity, be considered as the subscriber equipment of same type; When up link component carrier quantity equals the downlink carrier composing quantity, be considered as the subscriber equipment of another kind of same type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010157955.XA CN101848543B (en) | 2010-04-23 | 2010-04-23 | Method and device for managing carrier wave indicator in carrier aggregation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010157955.XA CN101848543B (en) | 2010-04-23 | 2010-04-23 | Method and device for managing carrier wave indicator in carrier aggregation |
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| CN101848543A CN101848543A (en) | 2010-09-29 |
| CN101848543B true CN101848543B (en) | 2014-01-01 |
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| CN201010157955.XA Expired - Fee Related CN101848543B (en) | 2010-04-23 | 2010-04-23 | Method and device for managing carrier wave indicator in carrier aggregation |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102457888B (en) * | 2010-10-18 | 2015-08-19 | 中兴通讯股份有限公司 | A kind of method of carrier wave indicator field grouping and device |
| CN105991260B (en) * | 2015-01-30 | 2019-07-23 | 上海诺基亚贝尔股份有限公司 | Method and apparatus of the transmission for the descending control signaling of extensive carrier wave polymerization |
| WO2016161980A1 (en) | 2015-04-10 | 2016-10-13 | 中兴通讯股份有限公司 | Unlicensed carrier contention method and apparatus |
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2010
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Non-Patent Citations (2)
| Title |
|---|
| Interpreting the carrier indicator field;Qualcomm Europe;《 3GPP TSG RAN WG1 #59 R1-095069》;20091113;正文1-2页 * |
| Qualcomm Europe.Interpreting the carrier indicator field.《 3GPP TSG RAN WG1 #59 R1-095069》.2009,正文1-2页. |
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Effective date of registration: 20180301 Address after: 518000, two 703A, COFCO business park, two Xian Xian Road, Xin'an, Shenzhen, Guangdong, Baoan District Patentee after: Shenzhen Fu Hai Sunshine Technology Co., Ltd. Address before: 518057 Nanshan District science and Technology Park, Guangdong, South Road, ZTE building, science and Technology Park Patentee before: ZTE Corporation |
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Granted publication date: 20140101 Termination date: 20190423 |
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