CN101998434A - Method and equipment for indication member carrier set - Google Patents

Method and equipment for indication member carrier set Download PDF

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Publication number
CN101998434A
CN101998434A CN2009100912228A CN200910091222A CN101998434A CN 101998434 A CN101998434 A CN 101998434A CN 2009100912228 A CN2009100912228 A CN 2009100912228A CN 200910091222 A CN200910091222 A CN 200910091222A CN 101998434 A CN101998434 A CN 101998434A
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member carrier
signaling
terminal
base station
information
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CN2009100912228A
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赵锐
肖国军
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China Academy of Telecommunications Technology CATT
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Datang Mobile Communications Equipment Co Ltd
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Abstract

The embodiment of the invention provides a method for indicating a member carrier set, comprising the following steps: a terminal receives signaling information sent by a base station; the terminal acquires the set information of the corresponding member carriers according to the signaling information and monitors the corresponding member carriers. The embodiment of the invention also provides the base station and the terminal. The invention solves the problems that the base station of a system notifies the set of the member carriers which need to be monitored by the terminal to the terminal in time and the terminal monitors the corresponding member carriers in time especially after the set of the member carriers is configured or updated, reasonably and efficiently uses the system resources and optimizes the system properties; besides, the invention slightly changes the traditional system without influencing the compatibility of the system, is easy to implement and has high efficiency.

Description

The method and apparatus of member carrier collection indication
Technical field
The present invention relates to moving communicating field, particularly, the present invention relates to the method and apparatus of member carrier collection indication.
Background technology
Move the developing direction that becomes modern communication technology with the broadband, 3GPP (3rd Generation Partnership Project, third generation partner program) is devoted to LTE (Long Term Evolution, Long Term Evolution) system is as the evolution of 3G system, and target is that development 3GPP wireless access technology is towards high data rate, the low delay and the evolution of optimization packet data application direction.In the mobile communication system in future, for example among back three generations (B3G:Beyond three Generation) or the LTE-A, system will provide higher peak data rate and cell data throughput, so system also needs wideer transmission bandwidth.
The development of present mobile communication, also increasing for the demand of frequency spectrum resource.Because the rare and modern communication technology of frequency spectrum resource is to the pursuit of broadband high-speed rate communication, the two has formed a pair of contradiction.For example, for the LTE-A system of the above-mentioned frequency spectrum of mentioning that needs the 100M bandwidth, under the condition that has the idle frequency spectrum resource, can be the frequency spectrum that directly distributes the 100M bandwidth for this system.Yet,, be difficult to find wide so blank untapped frequency spectrum resource usually for the rare present mobile communication of frequency spectrum resource.
For the LTE-A system, for supporting the system bandwidth wideer,, need be called member carrier again by with a plurality of LTE carrier waves such as 100MHz than LTE system, couple together use, specific implementation has dual mode:
A plurality of continuous LTE carrier waves are carried out polymerization, for LTE-A provides bigger transmission bandwidth; A plurality of discontinuous LTE carrier waves are carried out polymerization, for LTE-A provides bigger transmission bandwidth.As shown in Figure 1, be the schematic diagram of discontinuous carrier aggregation.
The research of standardization body is at present tended to, be that the design on each carrier wave is kept being consistent with LTE Release 8 as far as possible for carrier aggregation system design, thus guarantee the terminal of LTE R8 can each member carrier in carrier aggregation system on operate as normal.
For the ease of member carrier is managed, member carrier can be divided into different carrier set.For example, as shown in Figure 2, be a kind of controlling schemes of the member carrier collection that detects based on PDCCH.In Fig. 2, be the set of two downlink member carriers of terminal configuration of being in the RRC connection status: the member carrier collection S of activation ActiveMember carrier collection S with the PDCCH detection PDCCH, set wherein meets following relation:
Figure B2009100912228D0000021
S wherein AllExpression be the set of all downlink member carrier.
Yet, at present for the set of the member carrier of terminal monitoring, also there is not effective message informing scheme, allow the base station in time notify the set of its member carrier that need monitor of terminal, especially member carrier collection is after configuration or upgrading, therefore, be necessary to propose a kind of effective control signaling send mode, be used for the member carrier collection configuration and the renewal of indicating terminal.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, particularly the set of its member carrier that need monitor of terminal is in time notified in the base station in the resolution system, especially member carrier collection is after configuration or upgrading, thereby allow terminal in time monitor corresponding carrier wave, rationally efficient using system resource, the optimization system performance.
In order to achieve the above object, the embodiment of the invention has proposed a kind of method of member carrier collection indication on the one hand, may further comprise the steps:
Terminal receives the signaling information that the base station sends;
Described terminal is obtained the aggregate information of corresponding member carrier according to described signaling information, monitors corresponding member carrier.
The embodiment of the invention has also proposed a kind of terminal on the other hand, comprises receiver module and monitoring module,
Described receiver module is used to receive the signaling information that the base station sends;
Described monitoring module is used for obtaining the aggregate information of corresponding member carrier according to described signaling information, monitors corresponding member carrier.
The embodiment of the invention has also proposed a kind of base station on the other hand, comprises sending module and configuration module,
Described configuration module is used to the corresponding member carrier collection of described terminal configuration, indicates described terminal to monitor on corresponding member carrier collection;
Described sending module is used for sending signaling information to terminal, comprises the aggregate information of described member carrier in the described signaling information.
The technical scheme that proposes according to the present invention, solved its member carrier that need monitor of terminal is in time notified in the base station in the system set, especially member carrier collection after configuration or upgrading, thereby allowed terminal in time monitor corresponding carrier wave, rationally efficient using system resource, the optimization system performance.In addition, the technical scheme that the present invention proposes, very little to the change of existing system, can not influence the compatibility of system, and realize simple, efficient.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram of carrier aggregation;
Fig. 2 is the schematic diagram of member carrier collection;
The method flow diagram that Fig. 3 indicates for the member carrier collection that the embodiment of the invention proposes;
Fig. 4 controls the schematic diagram of signaling for adopting the L1/L2 that has ACK to confirm;
Fig. 5 is the structural representation of terminal;
Fig. 6 is the structural representation of base station.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In order to realize the present invention's purpose, embodiments of the invention have proposed a kind of method of member carrier collection indication, may further comprise the steps: terminal receives the signaling information that the base station sends; Described terminal is obtained the aggregate information of corresponding member carrier according to described signaling information, monitors corresponding member carrier.
As shown in Figure 3, the method flow diagram for the member carrier collection of embodiment of the invention proposition is indicated may further comprise the steps:
Step S101: terminal receives the signaling information that the base station sends.
In order to realize the set of the member carrier that indicating terminal is monitored, the embodiment that the present invention proposes can control by the control signaling of high-level signaling or L1/L2 layer, the above-mentioned information of notice terminal, promptly above-mentioned signaling information comprises the control signaling of high-level signaling or L1/L2 layer.
More specifically, high-level signaling for example is the RRC signaling, and the RRC signaling that affirmation mechanism is arranged that terminal reception base station sends is indicated the aggregate information of described member carrier; Perhaps
The L1/L2 that terminal receives the employing ACK affirmation of base station transmission controls the aggregate information that signaling is indicated member carrier.As shown in Figure 4, control the schematic diagram of signaling for employing has the L1/L2 of ACK affirmation, terminal UE is confirmed the L1/L2 control signaling of receiving base station eNodeB by feeding back ACK.
Step S102: terminal is obtained the aggregate information of member carrier according to signaling information, monitors corresponding member carrier.
In step S102, the aggregate information of member carrier can embody by the multiple form of expression.
For example, the aggregate information of member carrier is indicated by the mode of bit mapping bitmap.
In conjunction with the accompanying drawings 2, be illustrated: the set of the form indication member carrier of the member carrier by physics, the indication of the set of different member carriers can be combined, and also can transmit separately.For example as shown in Figure 2,5 member carriers are arranged in the system, be used in reference to informational needs 5 bits of the person's of being shown as carrier set so, the member carrier collection S in describing with background ActiveMember carrier collection S with the PDCCH detection PDCCHFor example describes, the member carrier collection S of activation ActiveMember carrier collection S with the PDCCH detection PDCCHAdopt independently 5 bits indications, wherein the corresponding member carrier of 1 expression belongs to current set, for example: 11001 expressions be the member carrier collection S that activates Active, its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set.10001 expressions be the member carrier collection S that PDCCH detects PDCCH, its implication is exactly S PDCCHMember carrier is member carrier 1 and 5 in the set.
Furthermore, when there was inclusion relation in the set of member's carrier wave, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.For example, the set of the number of the member carrier by logic indication member carrier, the set of different member carriers can be combined, and also can transmit separately, with the example that is exemplified as in the foregoing description, S PDCCHBe the member carrier collection that PDCCH detects, because S PDCCHBe S ActiveSubclass, the member carrier collection S of activation ActiveRepresent that with 11001 of 5 bits its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set, so the member carrier collection S of PDCCH detection PDCCHIn member carrier can only in member carrier 1,2 and 5, select, can adopt the method for the bitmap of 3 bits to indicate so, if the indication S PDCCHInformation be 011, the implication of its expression is S PDCCHSet in member carrier be member carrier 2 and 5.
In addition, the aggregate information of member carrier can also be by the ID indication of member carrier.For example,, a member carrier can only be arranged in certain member carrier collection if for each terminal, so can be by the current member carrier collection of member carrier ID indication of physics.For example: 5 member carriers are arranged, in the current carrier aggregation system if the S of terminal PDCCHThe set of member carrier has only 1 member carrier, needs the information of one 3 bit to be used to indicate current S so PDCCHThe set of member carrier.
In the concrete signaling message that terminal receives, for example, when the message signaling is L1/L2 control signaling, by L1/L2 control signaling configuration member carrier set, with member's carrier wave number is that 5 situation is an example, adopt the indicating means of bit mapping bitmap, in the information field of Downlink Control Information DCI, need to comprise the information field in the following form
Information field The mode of Bitmap
Member carrier collection 1 5 bits
Member carrier collection 2 5 bits
Member carrier collection 3 5 bits
...... ......
For the indication of member carrier collection, can be by a member carrier collection that the DCI joint instructions are all, member carrier collection that also can an indicating section, for example indication of the set by keeping some member carrier of reserve, as adopt 0 to fill.
In addition, for the indication of member carrier collection, also can each member carrier collection indicate by a DCI separately.
Member carrier collection can be the member carrier collection S that activates Active, the member carrier collection S that detects of PDCCH PDCCH, and the member carrier collection that activates of PUSCH etc.
The said method that the present invention proposes, solved its member carrier that need monitor of terminal is in time notified in the base station in the system set, especially member carrier collection after configuration or upgrading, thereby allowed terminal in time monitor corresponding carrier wave, rationally efficient using system resource, the optimization system performance.In addition, the said method that the present invention proposes, very little to the change of existing system, can not influence the compatibility of system, and realize simple, efficient.
As shown in Figure 5, embodiments of the invention have also proposed a kind of terminal 100 on the other hand, comprise receiver module 110 and monitoring module 120.
Wherein, receiver module 110 is used to receive the signaling information that the base station sends; Monitoring module 120 is used for according to signaling information, obtains the aggregate information of corresponding member carrier, monitors corresponding member carrier.
As the embodiment of the said equipment, signaling information comprises the control signaling of high-level signaling or L1/L2 layer,
High-level signaling is the RRC signaling, and terminal 100 receives the aggregate information of the RRC signaling indication member carrier that affirmation mechanism is arranged of base station transmission; Perhaps
The L1/L2 that terminal 100 receives the employing ACK affirmation of base station transmission controls the aggregate information that signaling is indicated member carrier.
As the embodiment of the said equipment, the aggregate information of the member carrier that monitoring module 120 obtains is for indicating or pass through the ID indication of member carrier by the mode of bit mapping bitmap.
In conjunction with the accompanying drawings 2, be illustrated: the set of the form indication member carrier of the member carrier by physics, the indication of the set of different member carriers can be combined, and also can transmit separately.For example as shown in Figure 2,5 member carriers are arranged in the system, be used in reference to informational needs 5 bits of the person's of being shown as carrier set so, the member carrier collection S in describing with background ActiveMember carrier collection S with the PDCCH detection PDCCHFor example describes, the member carrier collection S of activation ActiveMember carrier collection S with the PDCCH detection PDCCHAdopt independently 5 bits indications, wherein the corresponding member carrier of 1 expression belongs to current set, for example: 11001 expressions be the member carrier collection S that activates Active, its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set.10001 expressions be the member carrier collection S that PDCCH detects PDCCH, its implication is exactly S PDCCHMember carrier is member carrier 1 and 5 in the set.
As the embodiment of the said equipment, when there was inclusion relation in the set of member's carrier wave, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.
For example, the set of the number of the member carrier by logic indication member carrier, the set of different member carriers can be combined, and also can transmit separately, with the example that is exemplified as in the foregoing description, S PDCCHBe the member carrier collection that PDCCH detects, because S PDCCHBe S ActiveSubclass, the member carrier collection S of activation ActiveRepresent that with 11001 of 5 bits its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set, so the member carrier collection S of PDCCH detection PDCCHIn member carrier can only in member carrier 1,2 and 5, select, can adopt the method for the bitmap of 3 bits to indicate so, if the indication S PDCCHInformation be 011, the implication of its expression is S PDCCHSet in member carrier be member carrier 2 and 5.
As shown in Figure 6, embodiments of the invention have also proposed a kind of base station 200 on the other hand, comprise sending module 210 and configuration module 220.
Wherein, configuration module 220 is used to the corresponding member carrier collection of terminal configuration, and indicating terminal is monitored on corresponding member carrier collection; Sending module 210 is used for sending signaling information to terminal, comprises the aggregate information of member carrier in the signaling information.
As the embodiment of the said equipment, signaling information comprises the control signaling of high-level signaling or L1/L2 layer,
High-level signaling is the RRC signaling, and the base station sends the aggregate information of the RRC signaling indication member carrier that affirmation mechanism is arranged to terminal; Perhaps
The base station sends the aggregate information that the L1/L2 control signaling that adopts ACK to confirm is indicated member carrier to terminal.
As the embodiment of the said equipment, the aggregate information of the member carrier of configuration module 220 configurations is for indicating or pass through the ID indication of member carrier by the mode of bit mapping bitmap.
In conjunction with the accompanying drawings 2, be illustrated: the set of the form indication member carrier of the member carrier by physics, the indication of the set of different member carriers can be combined, and also can transmit separately.For example as shown in Figure 2,5 member carriers are arranged in the system, be used in reference to informational needs 5 bits of the person's of being shown as carrier set so, the member carrier collection S in describing with background ActiveMember carrier collection S with the PDCCH detection PDCCHFor example describes, the member carrier collection S of activation ActiveMember carrier collection S with the PDCCH detection PDCCHAdopt independently 5 bits indications, wherein the corresponding member carrier of 1 expression belongs to current set, for example: 11001 expressions be the member carrier collection S that activates Active, its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set.10001 expressions be the member carrier collection S that PDCCH detects PDCCH, its implication is exactly S PDCCHMember carrier is member carrier 1 and 5 in the set.
As the embodiment of the said equipment, when there was inclusion relation in the set of member's carrier wave, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.
For example, the set of the number of the member carrier by logic indication member carrier, the set of different member carriers can be combined, and also can transmit separately, with the example that is exemplified as in the foregoing description, S PDCCHBe the member carrier collection that PDCCH detects, because S PDCCHBe S ActiveSubclass, the member carrier collection S of activation ActiveRepresent that with 11001 of 5 bits its implication is exactly S ActiveMember carrier is a member carrier 1,2 and 5 in the set, so the member carrier collection S of PDCCH detection PDCCHIn member carrier can only in member carrier 1,2 and 5, select, can adopt the method for the bitmap of 3 bits to indicate so, if the indication S PDCCHInformation be 011, the implication of its expression is S PDCCHSet in member carrier be member carrier 2 and 5.
The said equipment that the present invention proposes, solved its member carrier that need monitor of terminal is in time notified in the base station in the system set, especially member carrier collection after configuration or upgrading, thereby allowed terminal in time monitor corresponding carrier wave, rationally efficient using system resource, the optimization system performance.In addition, the said equipment that the present invention proposes, very little to the change of existing system, can not influence the compatibility of system, and realize simple, efficient.
One of ordinary skill in the art will appreciate that and realize that all or part of step that the foregoing description method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (14)

1. the method for a member carrier collection indication is characterized in that, may further comprise the steps:
Terminal receives the signaling information that the base station sends;
Described terminal is obtained the aggregate information of corresponding member carrier according to described signaling information, monitors corresponding member carrier.
2. the method for member carrier collection indication as claimed in claim 1 is characterized in that described signaling information comprises the control signaling of high-level signaling or L1/L2 layer.
3. the method for member carrier collection as claimed in claim 2 indication is characterized in that described high-level signaling is the RRC signaling, and described terminal receives the aggregate information that the RRC signaling that affirmation mechanism is arranged that described base station sends is indicated described member carrier; Perhaps
The L1/L2 that described terminal receives the employing ACK affirmation of described base station transmission controls the aggregate information that signaling is indicated described member carrier.
4. the method for member carrier collection indication as claimed in claim 1 is characterized in that, the aggregate information of described member carrier is indicated by the mode of bit mapping bitmap.
5. the method for member carrier collection indication as claimed in claim 4, it is characterized in that, when there was inclusion relation in the set of described member carrier, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.
6. the method for member carrier collection indication as claimed in claim 1 is characterized in that, the aggregate information of described member carrier is by the ID indication of member carrier.
7. a terminal is characterized in that, comprises receiver module and monitoring module,
Described receiver module is used to receive the signaling information that the base station sends;
Described monitoring module is used for obtaining the aggregate information of corresponding member carrier according to described signaling information, monitors corresponding member carrier.
8. terminal as claimed in claim 7 is characterized in that, described signaling information comprises the control signaling of high-level signaling or L1/L2 layer,
Described high-level signaling is the RRC signaling, and described terminal receives the aggregate information that the RRC signaling that affirmation mechanism is arranged that described base station sends is indicated described member carrier; Perhaps
The L1/L2 that described terminal receives the employing ACK affirmation of described base station transmission controls the aggregate information that signaling is indicated described member carrier.
9. terminal as claimed in claim 7 is characterized in that, the aggregate information of the described member carrier that described monitoring module obtains is for indicating or pass through the ID indication of member carrier by the mode of bit mapping bitmap.
10. terminal as claimed in claim 9 is characterized in that, when there was inclusion relation in the set of described member carrier, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.
11. a base station is characterized in that, comprises sending module and configuration module,
Described configuration module is used to the corresponding member carrier collection of described terminal configuration, indicates described terminal to monitor on corresponding member carrier collection;
Described sending module is used for sending signaling information to terminal, comprises the aggregate information of described member carrier in the described signaling information.
12. base station as claimed in claim 11 is characterized in that, described signaling information comprises the control signaling of high-level signaling or L1/L2 layer,
Described high-level signaling is the RRC signaling, and described base station sends the aggregate information that the RRC signaling that affirmation mechanism is arranged is indicated described member carrier to described terminal; Perhaps
Described base station sends the aggregate information that the L1/L2 control signaling that adopts ACK to confirm is indicated described member carrier to described terminal.
13. base station as claimed in claim 12 is characterized in that, the aggregate information of the described member carrier of described configuration module configuration is for indicating or pass through the ID indication of member carrier by the mode of bit mapping bitmap.
14. base station as claimed in claim 13 is characterized in that, when there was inclusion relation in the set of described member carrier, the aggregate information of subclass member carrier determined jointly by the bit mapping bitmap of its bit mapping bitmap and superclass member carrier.
CN2009100912228A 2009-08-12 2009-08-12 Method and equipment for indication member carrier set Pending CN101998434A (en)

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