CN105450376B - The control method and device of secondary carrier in asymmetric up-link carrier polymerization - Google Patents
The control method and device of secondary carrier in asymmetric up-link carrier polymerization Download PDFInfo
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- CN105450376B CN105450376B CN201410433129.1A CN201410433129A CN105450376B CN 105450376 B CN105450376 B CN 105450376B CN 201410433129 A CN201410433129 A CN 201410433129A CN 105450376 B CN105450376 B CN 105450376B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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Abstract
The embodiment of the present invention provides a kind of control method and device of secondary carrier in asymmetric up-link carrier polymerization, and this method includes：Base station sent to terminal be the upstream auxiliary carriers that the terminal configures configuration information, wherein the configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；Further, the base station is scheduled the upstream auxiliary carriers by the physical downlink control channel PDCCH of the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers, so that the terminal carries out the scheduling of Physical Uplink Shared Channel PUSCH by the upstream auxiliary carriers to the base station, it realizes secondary carrier in polymerizeing asymmetric up-link carrier to control, to increase substantially uplink throughput.
Description
Technical field
The present embodiments relate to a kind of controls of secondary carrier in the communication technology more particularly to asymmetric up-link carrier polymerization
Method and device.
Background technology
In current long term evolution (Long Term Evolution, abbreviation LTE) system, single carrier maximum is only supported
The system bandwidth of 20M then needs to use carrier aggregation technology to meet the bandwidth demand of bigger.
At third generation partner program (The3rd Generation Partnership Project, abbreviation 3GPP)
In agreement, the polymerization of maximum 5 carrier waves is supported, and descending carrier number is required to be more than or equal to up-link carrier number.
But in some industry network applications, there can be a large amount of video monitoring class business namely uplink service demand is big
In downlink business demand, existing carrier aggregation scheme can not meet the needs of industry network well, in order to preferably meet
A large amount of uplink service demand needs to introduce the asymmetric up-link carrier polymerization technique that up-link carrier number is more than descending carrier number,
But not yet propose how that secondary carrier controls in polymerizeing to asymmetric up-link carrier in the prior art, therefore, how to non-right
It is the technical problems to be solved by the invention that secondary carrier, which carries out control, in claiming up-link carrier to polymerize.
Invention content
This hair embodiment provides a kind of control method and device of secondary carrier in asymmetric up-link carrier polymerization, realizes pair
Secondary carrier is controlled in asymmetric up-link carrier polymerization, to increase substantially uplink throughput.
In a first aspect, the embodiment of the present invention provides a kind of control method of secondary carrier in asymmetric up-link carrier polymerization, carry
It polymerize cluster comprising at least one carrier wave in wave polymerization, includes a downlink main carrier to carry and K uplink in the carrier wave polymerization cluster
Carrier wave, wherein the K up-link carrier includes 1 uplink main carrier, and the main load of the uplink is removed in the K up-link carrier
K-1 up-link carrier except wave is upstream auxiliary carriers, wherein K is the integer more than or equal to 2, the asymmetric up-link carrier
The control method of secondary carrier in polymerization, including：
Base station sends the configuration information for the upstream auxiliary carriers for being terminal configuration to terminal, wherein the configuration information
Including：The common configuration information of carrier level and/or the configuration information of terminating stage；
The object that the base station passes through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
Reason down control channel PDCCH the upstream auxiliary carriers are scheduled so that the terminal by the upstream auxiliary carriers to
The base station carries out the scheduling of Physical Uplink Shared Channel PUSCH, wherein the main carrier includes：The uplink main carrier with
And the downlink main carrier to carry；
Wherein, the polymerization methods include：Polymerization methods one and polymerization methods two；It is main described in the polymerization methods one
Carrier wave only retains the sub-frame of uplink in tdd frame structure using Time Division Duplex TDD frame structure and the upstream auxiliary carriers；It is described poly-
Main carrier described in conjunction mode two uses whole subframes in tdd frame structure and the upstream auxiliary carriers frame structure all for uplink
Subframe.
Further, if the configuration information is the common configuration information of carrier level, the base station is sent to terminal as institute
The configuration information of the upstream auxiliary carriers of terminal configuration is stated, including：
The base station sends the upstream auxiliary carriers by the forms of broadcasting on the downlink main carrier to carry to the terminal
Configuration information；Alternatively, the base station is auxiliary to the terminal transmission uplink by radio resource control RRC agreement dedicated signaling
The configuration information of carrier wave；
Accordingly, if the configuration information is the configuration information of terminating stage, it is the terminal that the base station is sent to terminal
The configuration information of the upstream auxiliary carriers of configuration, including：
The base station sends the configuration information of the upstream auxiliary carriers by RRC dedicated signalings to the terminal.
Further, the base station passes through the downlink master according to main carrier and the polymerization methods of the upstream auxiliary carriers
The physical downlink control channel PDCCH of carrier wave is scheduled the upstream auxiliary carriers, including：
The base station determines the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods be the polymerization methods two and the terminal not
Support is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then the base station is controlled by the way that the downlink of the PDCCH is arranged
Information DCI format zero is scheduled the upstream auxiliary carriers, wherein and the DCI format zero includes that first carrier indicates information,
The first carrier instruction information is used to indicate the upstream auxiliary carriers for needing to dispatch；Alternatively, then the base station passes through the special letters of RRC
Zero channel of instruction PDCCH DCI formats is enabled to be scheduled the upstream auxiliary carriers；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the reception and the secondary carrier that are carried out at the same time main carrier
Transmission, then the base station by be arranged PDCCH DCI format the sub-frame of uplink of the upstream auxiliary carriers is scheduled,
In, the DCI format includes：Second carrier indication information and sub-frame of uplink indicate information, second carrier indication information
The upstream auxiliary carriers for needing to dispatch are used to indicate, the sub-frame of uplink instruction information is used to indicate the sub-frame of uplink for needing to dispatch.
Further, the base station passes through the downlink master according to main carrier and the polymerization methods of the upstream auxiliary carriers
After the physical downlink control channel PDCCH of carrier wave is scheduled the upstream auxiliary carriers, further include：
The base station indicates that physical channel PHICH is sent out to the terminal by the mixed automatic retransfer of the downlink main carrier to carry
Send the PUSCH of the upstream auxiliary carriers feedback informations dispatched.
Further, the base station by the mixed automatic retransfer of the downlink main carrier to carry indicate physical channel PHICH to
The terminal sends the feedback information of the PUSCH scheduling of the upstream auxiliary carriers, including：
The base station will confirm that ACK/ does not confirm that nack message is carried on the PHICH skies of the downlink main carrier to carry of extension
Between；Alternatively,
The base station sends ACK/NACK information by the special subspace of upstream auxiliary carriers to the terminal, wherein described
The special subspace of upstream auxiliary carriers is to be supplied on described in multiple subspaces that the spaces PHICH of the downlink main carrier to carry are divided into
The subspace that row secondary carrier uses；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and main carrier are special
Use subspace；Alternatively,
The base station sends ACK/NACK information by sharing the spaces PHICH of the downlink main carrier to carry to the terminal.
Second aspect, the embodiment of the present invention provide a kind of base station, polymerize cluster, institute comprising at least one carrier wave in carrier wave polymerization
It includes a downlink main carrier to carry and K up-link carrier to state in carrier wave polymerization cluster, wherein the K up-link carrier includes 1
Uplink main carrier, K-1 up-link carrier in the K up-link carrier in addition to the uplink main carrier are upstream auxiliary carriers,
Wherein, K is integer more than or equal to 2, the base station, including：
Configuration module, the configuration information for sending the upstream auxiliary carriers for being terminal configuration to terminal, wherein described
Configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；
Scheduler module, for passing through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
Physical downlink control channel PDCCH the upstream auxiliary carriers are scheduled so that the terminal passes through the auxiliary load of the uplink
Base station described in wave direction carries out the scheduling of Physical Uplink Shared Channel PUSCH, wherein the main carrier includes：The main load of uplink
Wave and the downlink main carrier to carry；
Wherein, the polymerization methods include：Polymerization methods one and polymerization methods two；It is main described in the polymerization methods one
Carrier wave only retains the sub-frame of uplink in tdd frame structure using Time Division Duplex TDD frame structure and the upstream auxiliary carriers；It is described poly-
Main carrier described in conjunction mode two uses whole subframes in tdd frame structure and the upstream auxiliary carriers frame structure all for uplink
Subframe.
Further, if the configuration information is the common configuration information of carrier level, the configuration module is specifically used for：
Send the configuration information of the upstream auxiliary carriers on the downlink main carrier to carry to the terminal by the forms of broadcasting；Alternatively, passing through
Radio resource control RRC agreement dedicated signaling sends the configuration information of the upstream auxiliary carriers to the terminal；
Accordingly, if the configuration information be terminating stage configuration information, the configuration module also particularly useful for：Pass through
RRC dedicated signalings send the configuration information of the upstream auxiliary carriers to the terminal.
Further, the scheduler module is specifically used for：
Determine the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods be the polymerization methods two and the terminal not
Support is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then passes through the Downlink Control Information DCI lattice of the setting PDCCH
Formula zero is scheduled the upstream auxiliary carriers, wherein the DCI format zero include first carrier indicate information, described first
Carrier indication information is used to indicate the upstream auxiliary carriers for needing to dispatch；Alternatively, then indicating PDCCH DCI by RRC dedicated signalings
Zero channel of format is scheduled the upstream auxiliary carriers；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the reception and the secondary carrier that are carried out at the same time main carrier
Transmission, then by be arranged PDCCH DCI format the sub-frame of uplink of the upstream auxiliary carriers is scheduled, wherein it is described
DCI format includes：Second carrier indication information and sub-frame of uplink indicate that information, second carrier indication information are used to indicate
The upstream auxiliary carriers dispatched, the sub-frame of uplink instruction information are needed to be used to indicate the sub-frame of uplink for needing to dispatch.
Further, the base station further includes：
Feedback module, for indicating physical channel PHICH to described by the mixed automatic retransfer of the downlink main carrier to carry
Terminal sends the feedback information of the PUSCH scheduling of the upstream auxiliary carriers.
Further, the feedback module is specifically used for：
It will confirm that ACK/ does not confirm that nack message is carried on the spaces PHICH of the downlink main carrier to carry of extension；Alternatively,
ACK/NACK information is sent to the terminal, wherein the auxiliary load of uplink by the special subspace of upstream auxiliary carriers
The special subspace of wave is that the upstream auxiliary carriers are supplied in multiple subspaces that the spaces PHICH of the downlink main carrier to carry are divided into
The subspace used；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and the special subspace of main carrier；
Alternatively,
The spaces PHICH by sharing the downlink main carrier to carry send ACK/NACK information to the terminal.
In the present invention, base station passes through the configuration information to the upstream auxiliary carriers that terminal transmission is terminal configuration, wherein
The configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；Further, the base station
The Physical Downlink Control Channel for passing through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
PDCCH is scheduled the upstream auxiliary carriers, so that the terminal is carried out by the upstream auxiliary carriers to the base station
The scheduling of PUSCH realizes secondary carrier in polymerizeing to asymmetric up-link carrier and controls, handles up to increase substantially uplink
Amount.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Figure 1A is that the present invention is based on the asymmetric up-link carriers of TDD system to polymerize schematic diagram；
Figure 1B is that the present invention is based on the asymmetric up-link carriers of TDD system to polymerize decomposition diagram；
Fig. 1 C are that the carrier wave polymerizeing the present invention is based on the asymmetric up-link carrier of TDD system polymerize cluster schematic diagram；
Fig. 2 is the flow diagram of the control method embodiment one of secondary carrier in the asymmetric up-link carrier polymerization of the present invention；
Fig. 3 A are that the present invention is based on one schematic diagrames of polymerization methods that the asymmetric up-link carrier of TDD system polymerize；
Fig. 3 B are that the present invention is based on two schematic diagrames of polymerization methods that the asymmetric up-link carrier of TDD system polymerize；
Fig. 3 C are that the present invention is based on three schematic diagrames of polymerization methods that the asymmetric up-link carrier of TDD system polymerize；
Fig. 4 is the structural schematic diagram of base station embodiment one of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Figure 1A is that the present invention is based on the asymmetric up-link carriers of TDD system to polymerize schematic diagram, and Figure 1B is that the present invention is based on TDD
The asymmetric up-link carrier of system polymerize decomposition diagram, and Fig. 1 C are that the present invention is based on the asymmetric up-link carriers of TDD system to gather
The carrier wave of conjunction polymerize cluster schematic diagram.The present invention is based on time division duplex (Time Division Duplexing, abbreviation TDD) systems
Carrier wave polymerization in up-link carrier number be more than descending carrier number, as shown in Figure 1A, include N number of descending carrier and M uplink load
Wave, wherein N and M is positive integer, and N is less than or equal to M, as shown in Figure 1B, is polymerize comprising at least one carrier wave in carrier wave polymerization
Cluster namely all uplink and downlink carrier waves can be broken down into multiple carrier wave polymerization clusters, as shown in Figure 1 C, in each carrier wave polymerization cluster
Including a downlink main carrier to carry and K up-link carrier, wherein the K up-link carrier includes 1 uplink main carrier, institute
It is upstream auxiliary carriers to state K-1 up-link carrier in K up-link carrier in addition to the uplink main carrier, wherein K be more than etc.
In 2 integer.Optionally, K up-link carrier of polymerization can be following at least one carrier waves：It is continuous in identical frequency band
Carrier wave, the discontinuous carrier in identical frequency band and the carrier wave in different frequency bands.
Fig. 2 is the flow diagram of the control method embodiment one of secondary carrier in the asymmetric up-link carrier polymerization of the present invention,
As shown in Fig. 2, the method for the present embodiment may include：
S201, base station send the configuration information for the upstream auxiliary carriers for being terminal configuration to terminal.
In the embodiment of the present invention, in order to which terminal can be in the secondary carrier that base station configures for the terminal normally into line number
According to sending or receiving, the terminal needs to know the relevant configuration information of the secondary carrier, and therefore, base station is sent to terminal as institute
State the configuration information of the upstream auxiliary carriers of terminal configuration, wherein the configuration information includes：The common configuration information of carrier level
And/or the configuration information of terminating stage.Optionally, the common configuration information of the carrier level can be following at least one information：
Physical Random Access Channel (PhysicalRandom Access Channel, abbreviation PRACH) configuration, physical uplink link control
Channel (Physical Uplink Control Channel, abbreviation PUCCH) configuration processed and detection reference signal (Sounding
Reference Signal, abbreviation SRS) information；The configuration information of the terminating stage can be following at least one information：Channel
Quality indicator (Channel Quality Indicator, abbreviation CQI), pre-coding matrix instruction (Precoding Matrix
Indicator, abbreviation PMI), order instruction (Rank Indicator, abbreviation RI) and confirm (Acknowledgement, referred to as
ACK) feedback information.
Specifically, if the configuration information is the common configuration information of carrier level, S201 steps include：
The base station sends the upstream auxiliary carriers by the forms of broadcasting on the downlink main carrier to carry to the terminal
Configuration information；Alternatively, the base station is special by wireless heterogeneous networks (Radio Resource Control, abbreviation RRC) agreement
The configuration information of the upstream auxiliary carriers is sent to the terminal with signaling.
In the embodiment of the present invention, if the configuration information is the common configuration information of carrier level, the base station can be described
The relevant carrier level common configuration information of upstream auxiliary carriers is sent to the terminal by the forms of broadcasting on downlink main carrier to carry,
So that the terminal normally carries out data transmission in the upstream auxiliary carriers；Optionally, the base station can also be for institute
It states auxiliary to the terminal transmission uplink by radio resource control RRC agreement dedicated signaling when terminal collocating uplink secondary carrier
The relevant carrier level common configuration information of carrier wave.
Specifically, if the configuration information is the configuration information of terminating stage, S201 steps include：
The base station sends the configuration information of the upstream auxiliary carriers by RRC dedicated signalings to the terminal.
In the embodiment of the present invention, if the configuration information is the configuration information of terminating stage, the base station passes through the special letters of RRC
It enables to the terminal and sends the relevant terminating stage configuration information of upstream auxiliary carriers, so that the terminal is in the auxiliary load of the uplink
Data transmission is normally carried out on wave, optionally, the RRC dedicated signalings can be RRC connection reconfiguration message (RRC
ConnectionReconfiguration) etc..
Optionally, for supporting the cell of up-link carrier polymerization that can support the access of different types of terminal, wherein eventually
End type can include but is not limited to：Class1 does not support the terminal dispatched in secondary carrier；Type 2 is supported to carry out in secondary carrier
The terminal of scheduling, and the downlink subframe of main carrier and the sub-frame of uplink of secondary carrier is required to constitute tdd frame structure, and the terminal
It does not support to be carried out at the same time the reception of main carrier and the transmission of secondary carrier；The terminal that type 3, support are scheduled in secondary carrier, and
And the downlink subframe of main carrier can dispatch the sub-frame of uplink of all secondary carriers, and terminal support is carried out at the same time main carrier
Receive the transmission with secondary carrier.
S202, the base station pass through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
Physical downlink control channel PDCCH the upstream auxiliary carriers are scheduled so that the terminal passes through the auxiliary load of the uplink
Base station described in wave direction carries out the scheduling of Physical Uplink Shared Channel PUSCH.
Wherein, the main carrier includes：The uplink main carrier and the downlink main carrier to carry；The polymerization methods packet
It includes：Polymerization methods one and polymerization methods two；Main carrier described in the polymerization methods one use Time Division Duplex TDD frame structure with
And the upstream auxiliary carriers only retain the sub-frame of uplink in tdd frame structure；Main carrier described in the polymerization methods two uses TDD
Whole subframes in frame structure and the upstream auxiliary carriers frame structure are all sub-frame of uplink.
In the embodiment of the present invention, since downlink only has main carrier, the base station is according to the main carrier and the uplink
Physical Downlink Control Channel (the Physical Downlink that the polymerization methods of secondary carrier pass through the downlink main carrier to carry
Control Channel, abbreviation PDCCH) upstream auxiliary carriers are scheduled, so that the terminal is by for the terminal
The upstream auxiliary carriers of configuration carry out Physical Uplink Shared Channel (Physical Uplink Shared to the base station
Channel, abbreviation PUSCH) scheduling.Optionally, the scheduling of all upstream auxiliary carriers is required for through the downlink main carrier to carry
PDCCH be scheduled.
Fig. 3 A are the present invention is based on one schematic diagram of polymerization methods that the asymmetric up-link carrier of TDD system polymerize, and Fig. 3 B are
The present invention is based on two schematic diagram of polymerization methods of the asymmetric up-link carrier of TDD system polymerization, Fig. 3 C are that the present invention is based on TDD systems
Three schematic diagram of polymerization methods of the asymmetric up-link carrier polymerization of system.It is multiple non-right based on TDD system in the embodiment of the present invention
Claim up-link carrier polymerization polymerization methods include：Polymerization methods one and polymerization methods two can also include optionally polymerization side
Formula three, wherein polymerization methods three are the major-minor carrier wave polymerization methods of 3GPP protocol definitions, as shown in Figure 3 C, in polymerization methods three
Major-minor carrier wave is all made of normal tdd frame structure (7 kinds of ratio of uplink subframe to downlink subframe as specified in 3GPP), wherein major-minor carrier wave
Ratio of uplink subframe to downlink subframe can be the same or different.As shown in Figure 3A, main carrier described in polymerization methods one is using normal
Tdd frame structure, the secondary carrier (namely upstream auxiliary carriers) only retains the sub-frame of uplink (secondary carrier in original tdd frame structure
Downlink subframe originally in tdd frame structure is disabled), wherein the sub-frame of uplink of the upstream auxiliary carriers passes through under main carrier
Row subframe is scheduled.Optionally, in order to which secondary carrier and other systems coexist, base station can not carry out high-power transmission, and need
Polymerization methods one may be used when the downlink transmission of base station is shielded；Optionally, since current terminal can only support FDD
Frame structure or tdd frame structure, and downstream grants can only be issued in main carrier downlink subframe, and in order to keep tdd frame structure type,
It needs that polymerization methods one may be used when being shielded the downlink subframe of secondary carrier.As shown in Figure 3 C, institute in polymerization methods two
It states main carrier and uses normal tdd frame structure, downlink in the original tdd frame structure of the secondary carrier (namely upstream auxiliary carriers)
It is sub-frame of uplink that frame, which is all changed to whole subframes in sub-frame of uplink namely the upstream auxiliary carriers frame structure all, wherein described
All subframes of upstream auxiliary carriers are scheduled by the downlink subframe of main carrier.
Optionally, S202 steps include：
The base station determines the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods be the polymerization methods two and the terminal not
Support is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then the base station is controlled by the way that the downlink of the PDCCH is arranged
Information (Downlink Control Infornation, abbreviation DCI) format zero is scheduled the upstream auxiliary carriers,
In, the DCI format zero includes that first carrier indicates information, first carrier instruction information be used to indicate needs dispatch it is upper
Row secondary carrier；Alternatively, then the base station indicates zero channel of PDCCH DCI formats to the auxiliary load of the uplink by RRC dedicated signalings
Wave is scheduled；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the reception and the secondary carrier that are carried out at the same time main carrier
Transmission, then the base station by be arranged PDCCH DCI format the sub-frame of uplink of the upstream auxiliary carriers is scheduled,
In, the DCI format includes：Second carrier indication information and sub-frame of uplink indicate information, second carrier indication information
The upstream auxiliary carriers for needing to dispatch are used to indicate, the sub-frame of uplink instruction information is used to indicate the sub-frame of uplink for needing to dispatch.
In the embodiment of the present invention, PDCCH includes multiple format (format) for carrying DCI, the DCI, wherein DCI
Format 0 is used for dispatching uplink resource, and DCI format1X (1,1A, 1B, 1C, 1D etc.) are used for dispatching downlink resource, DCI
Format2X (2,2A, 2B etc.) is used to dispatch the downlink resource using MIMO, and DCI format3X (3,3A) are for carrying power control
Command information.The base station first determines the main carrier and the polymerization methods of the upstream auxiliary carriers, however, it is determined that major-minor carrier wave
Polymerization methods be polymerization methods for the moment, or if it is determined that the polymerization methods of major-minor carrier wave be polymerization methods two and the terminal not
When supporting the reception for being carried out at the same time main carrier and the transmission of secondary carrier, the base station can pass through the side of extension PDCCH search space
Formula is scheduled the upstream auxiliary carriers, specifically, the DCI format (format) that the base station passes through the setting PDCCH
0, wherein the DCI format0 include that first carrier indicates information, and the first carrier instruction information, which is used to indicate, to be needed to adjust
The upstream auxiliary carriers of degree, optionally, the first carrier instruction information can be the upstream auxiliary carriers ID of required scheduling；It is optional
Ground, the base station can also be scheduled the upstream auxiliary carriers by way of reusing main carrier search space, specifically, institute
It states base station and indicates that zero channel of PDCCH DCI formats is scheduled the upstream auxiliary carriers by RRC dedicated signalings, namely pass through
RRC dedicated signalings indicate the carrier wave of the current DCI format0 scheduling of the PDCCH, optionally, when the band of secondary carrier is wider than
When the bandwidth of main carrier, it is understood that there may be resource block (Resource Block, abbreviation RB) distributing bit of DCI format0
(bit) position can not dispatch entire secondary carrier bandwidth, can solve in the following way：I) DCI format0 resources point can be increased
It is changed to 2RB granularities or 3RB granularities with granularity, such as by original RB granularities；Ii) can with the regions RB of limiting terminal schedulable,
Single user can not take entire secondary carrier bandwidth at this time, but can use whole bandwidth when multiple users.
In the embodiment of the present invention, the base station first determines the main carrier and the polymerization methods of the upstream auxiliary carriers,
If it is determined that the polymerization methods of major-minor carrier wave are polymerization methods two and the terminal supports the reception for being carried out at the same time main carrier and auxiliary load
When the transmission of wave, the base station by be arranged the DCI format of new PDCCH realize to the sub-frame of uplink of the upstream auxiliary carriers into
Row scheduling, wherein downlink subframe is less than sub-frame of uplink in polymerization methods two, must have a downlink subframe and dispatch multiple uplinks
The situation of subframe, therefore, the DCI format includes：Second carrier indication information and sub-frame of uplink instruction information, described second
Carrier indication information is used to indicate the upstream auxiliary carriers for needing to dispatch, and optionally, second carrier indication information can be institute
The upstream auxiliary carriers ID that need to be dispatched；The sub-frame of uplink instruction information is used to indicate the sub-frame of uplink for needing to dispatch.
Optionally, in the embodiment of the present invention, the base station can be determined by configuration mode the main carrier and it is described on
The polymerization methods of row secondary carrier, optionally, the base station also can know terminal by terminal reporting terminal type of capability mode
Type, such as whether supporting to be carried out at the same time the reception of main carrier and the transmission of secondary carrier.
In the embodiment of the present invention, base station to the upstream auxiliary carriers that terminal transmission is terminal configuration by matching confidence
Breath, wherein the configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；Further,
The physical down control that the base station passes through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
Channel PDCCH processed is scheduled the upstream auxiliary carriers so that the terminal by the upstream auxiliary carriers to the base station
The scheduling for carrying out PUSCH realizes secondary carrier in polymerizeing to asymmetric up-link carrier and controls, to increase substantially uplink
Handling capacity.
Further, after S202 steps, further include：
The base station indicates physical channel (Physical Hybrid by the mixed automatic retransfer of the downlink main carrier to carry
ARQ indicator channel, abbreviation PHICH) feedback that the PUSCH of the upstream auxiliary carriers is dispatched is sent to the terminal
Information.
In the embodiment of the present invention, since downlink only has main carrier, the PUSCH of secondary carrier is dispatched, the feedback letter of base station
Breath need to be carried in the downlink main carrier to carry, and specifically, the base station is indicated by the mixed automatic retransfer of the downlink main carrier to carry
Physical channel PHICH sends the feedback information that the PUSCH of the upstream auxiliary carriers is dispatched to the terminal, and the feedback information can
Think and confirms that ACK/ does not confirm NACK (Non-Acknowledgement) information.
Specifically, ACK/NACK information is carried on the spaces PHICH of the downlink main carrier to carry of extension by the base station；Or
Person,
The base station sends ACK/NACK information by the special subspace of upstream auxiliary carriers to the terminal, wherein described
The special subspace of upstream auxiliary carriers is to be supplied on described in multiple subspaces that the spaces PHICH of the downlink main carrier to carry are divided into
The subspace that row secondary carrier uses；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and main carrier are special
Use subspace；Alternatively,
The base station sends ACK/NACK information by sharing the spaces PHICH of the downlink main carrier to carry to the terminal.
In the embodiment of the present invention, base station can be sent out by way of the spaces PHICH of expanded downstream main carrier to the terminal
Feedback information is sent, specifically, the PUSCH of the upstream auxiliary carriers ACK/NACK information dispatched is carried on the institute of extension by base station
State the spaces PHICH of downlink main carrier to carry.Optionally, the spaces PHICH of downlink main carrier to carry are divided into multiple son skies by the base station
Between, wherein the multiple subspace includes：The special subspace of the upstream auxiliary carriers and the special subspace of main carrier, namely
The multiple subspace is used for main carrier, secondary carrier respectively；Accordingly, the base station can be empty by the special son of upstream auxiliary carriers
Between to the terminal send ACK/NACK information, wherein the special subspace of upstream auxiliary carriers is the downlink main carrier to carry
The subspace used for the upstream auxiliary carriers in multiple subspaces that the spaces PHICH are divided into.Optionally, base station can also lead to
The PHICH communal spaces for crossing downlink main carrier to carry send feedback information to the terminal, and specifically, the base station is described by sharing
The spaces PHICH of downlink main carrier to carry send ACK/NACK information namely the main carrier and upstream auxiliary carriers to the terminal
If the spaces PHICH for sharing the downlink main carrier to carry can be by adjusting demodulated reference signal (De- clash
Modulation Reference Signal, abbreviation DMRS) cyclic shift evaded.
The present invention implement in, base station by terminal send be the terminal configure upstream auxiliary carriers configuration information,
Wherein, the configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；Further, described
Base station controls letter according to main carrier and the polymerization methods of the upstream auxiliary carriers by the physical down of the downlink main carrier to carry
Road PDCCH is scheduled the upstream auxiliary carriers, so that the terminal is carried out by the upstream auxiliary carriers to the base station
The scheduling of PUSCH；Further, the base station indicates physical channel by the mixed automatic retransfer of the downlink main carrier to carry
PHICH sends the feedback information that the PUSCH of the upstream auxiliary carriers is dispatched to the terminal, realizes to asymmetric up-link carrier
Secondary carrier is controlled in polymerization, to increase substantially uplink throughput.
Further, mechanism as defined in current 3GPP, the uplink of secondary carrier may be used in the uplink power control of main carrier
Close-loop power control can also use current mechanism, but the power control commands word of wherein uplink PUSCH is under the main carrier
Row PDCCH is carried in authorizing.
Optionally, the path loss of downlink main carrier to carry can be referred to for the path loss in secondary carrier power control, on this basis
It considers further that and adds path loss difference between the two.
Optionally, mechanism as defined in current 3GPP, the uplink synchronous point of secondary carrier may be used in the uplink synchronous of main carrier
For open loop synchronous control and close-loop power control, wherein closed-loop synchronization is controlled, machine identical with main carrier may be used
System, but the TA command words of secondary carrier are carried in downlink main carrier to carry；For open loop synchronous control, TA adjustment amounts are under main carrier
It is sent to terminal in row random response channel..
Fig. 4 is the structural schematic diagram of base station embodiment one of the present invention, as shown in figure 4, base station provided in this embodiment 40 is wrapped
It includes：Configuration module 401 and scheduler module 402.
Wherein, it polymerize cluster comprising at least one carrier wave in carrier wave polymerization, includes a downlink master in the carrier wave polymerization cluster
Carrier wave and K up-link carrier, wherein the K up-link carrier includes 1 uplink main carrier, in the K up-link carrier
The K-1 up-link carrier in addition to the uplink main carrier is upstream auxiliary carriers, wherein K is the integer more than or equal to 2；
Configuration module 401 is used to send the configuration information for the upstream auxiliary carriers for being terminal configuration to terminal, wherein institute
Stating configuration information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；
Scheduler module 402 is used to pass through the main load of the downlink according to main carrier and the polymerization methods of the upstream auxiliary carriers
The physical downlink control channel PDCCH of wave is scheduled the upstream auxiliary carriers, so that the terminal is auxiliary by the uplink
Carrier wave carries out the scheduling of Physical Uplink Shared Channel PUSCH to the base station, wherein the main carrier includes：The uplink master
Carrier wave and the downlink main carrier to carry；
Wherein, the polymerization methods include：Polymerization methods one and polymerization methods two；It is main described in the polymerization methods one
Carrier wave only retains the sub-frame of uplink in tdd frame structure using Time Division Duplex TDD frame structure and the upstream auxiliary carriers；It is described poly-
Main carrier described in conjunction mode two uses whole subframes in tdd frame structure and the upstream auxiliary carriers frame structure all for uplink
Subframe.
Optionally, if the configuration information is the common configuration information of carrier level, the configuration module is specifically used for：Institute
State the configuration information for sending the upstream auxiliary carriers on downlink main carrier to carry to the terminal by the forms of broadcasting；Alternatively, passing through nothing
Line resource control RRC protocol dedicated signaling sends the configuration information of the upstream auxiliary carriers to the terminal；
Accordingly, if the configuration information be terminating stage configuration information, the configuration module also particularly useful for：Pass through
RRC dedicated signalings send the configuration information of the upstream auxiliary carriers to the terminal.
Optionally, the scheduler module is specifically used for：
Determine the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods be the polymerization methods two and the terminal not
Support is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then passes through the Downlink Control Information DCI lattice of the setting PDCCH
Formula zero is scheduled the upstream auxiliary carriers, wherein the DCI format zero include first carrier indicate information, described first
Carrier indication information is used to indicate the upstream auxiliary carriers for needing to dispatch；Alternatively, then indicating PDCCH DCI by RRC dedicated signalings
Zero channel of format is scheduled the upstream auxiliary carriers；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the reception and the secondary carrier that are carried out at the same time main carrier
Transmission, then by be arranged PDCCH DCI format the sub-frame of uplink of the upstream auxiliary carriers is scheduled, wherein it is described
DCI format includes：Second carrier indication information and sub-frame of uplink indicate that information, second carrier indication information are used to indicate
The upstream auxiliary carriers dispatched, the sub-frame of uplink instruction information are needed to be used to indicate the sub-frame of uplink for needing to dispatch.
The base station of the present embodiment can be used for the control method of secondary carrier in the above-mentioned asymmetric up-link carrier polymerization of the present invention
The technical solution of embodiment, implementing principle and technical effect are similar, and details are not described herein again.
Optionally, the base station further includes：
Feedback module, for indicating physical channel PHICH to described by the mixed automatic retransfer of the downlink main carrier to carry
Terminal sends the feedback information of the PUSCH scheduling of the upstream auxiliary carriers.
Optionally, the feedback module is specifically used for：
It will confirm that ACK/ does not confirm that nack message is carried on the spaces PHICH of the downlink main carrier to carry of extension；Alternatively,
ACK/NACK information is sent to the terminal, wherein the auxiliary load of uplink by the special subspace of upstream auxiliary carriers
The special subspace of wave is that the upstream auxiliary carriers are supplied in multiple subspaces that the spaces PHICH of the downlink main carrier to carry are divided into
The subspace used；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and the special subspace of main carrier；
Alternatively,
The spaces PHICH by sharing the downlink main carrier to carry send ACK/NACK information to the terminal.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or
The various media that can store program code such as person's CD.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. the control method of secondary carrier in a kind of asymmetric up-link carrier polymerization, which is characterized in that comprising at least in carrier wave polymerization
One carrier wave polymerize cluster, includes a downlink main carrier to carry and K up-link carrier in the carrier wave polymerization cluster, wherein the K
Up-link carrier includes 1 uplink main carrier, K-1 uplink in the K up-link carrier in addition to the uplink main carrier
Carrier wave is upstream auxiliary carriers, wherein K is the integer more than or equal to 2, the control of secondary carrier in the asymmetric up-link carrier polymerization
Method, including：
Base station sent to terminal be the upstream auxiliary carriers that the terminal configures configuration information, wherein the configuration information includes：
The common configuration information of carrier level and/or the configuration information of terminating stage；
Under physics of the base station according to main carrier and the polymerization methods of the upstream auxiliary carriers by the downlink main carrier to carry
Row control channel PDCCH is scheduled the upstream auxiliary carriers so that the terminal by the upstream auxiliary carriers to described
Base station carries out the scheduling of Physical Uplink Shared Channel PUSCH, wherein the main carrier includes：The uplink main carrier and institute
State downlink main carrier to carry；
Wherein, the polymerization methods include：Polymerization methods one and polymerization methods two；Main carrier described in the polymerization methods one
Only retain the sub-frame of uplink in tdd frame structure using Time Division Duplex TDD frame structure and the upstream auxiliary carriers；The polymerization side
Main carrier described in formula two uses whole subframes in tdd frame structure and the upstream auxiliary carriers frame structure all for uplink
Frame；
If the configuration information is the common configuration information of carrier level, it is the upper of terminal configuration that the base station is sent to terminal
The configuration information of row secondary carrier, including：
The base station sends the configuration of the upstream auxiliary carriers on the downlink main carrier to carry by the forms of broadcasting to the terminal
Information；Alternatively, the base station sends the upstream auxiliary carriers by radio resource control RRC agreement dedicated signaling to the terminal
Configuration information；
Accordingly, if the configuration information is the configuration information of terminating stage, it is that the terminal configures that the base station is sent to terminal
Upstream auxiliary carriers configuration information, including：
The base station sends the configuration information of the upstream auxiliary carriers by RRC dedicated signalings to the terminal；
Under physics of the base station according to main carrier and the polymerization methods of the upstream auxiliary carriers by the downlink main carrier to carry
Row control channel PDCCH is scheduled the upstream auxiliary carriers, including：
The base station determines the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods are the polymerization methods two and the terminal is not supported
It is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then the Downlink Control Information that the base station passes through the setting PDCCH
DCI format zero is scheduled the upstream auxiliary carriers, wherein the DCI format zero includes that first carrier indicates information, described
First carrier instruction information is used to indicate the upstream auxiliary carriers for needing to dispatch；Alternatively, then the base station is referred to by RRC dedicated signalings
Show that zero channel of PDCCH DCI formats is scheduled the upstream auxiliary carriers；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the hair for being carried out at the same time the reception and secondary carrier of main carrier
It send, then the base station is scheduled the sub-frame of uplink of the upstream auxiliary carriers by the way that the DCI format of PDCCH is arranged, wherein institute
Stating DCI format includes：Second carrier indication information and sub-frame of uplink indicate information, and second carrier indication information is for referring to
Show that the upstream auxiliary carriers that needs are dispatched, the sub-frame of uplink instruction information are used to indicate the sub-frame of uplink for needing to dispatch.
2. according to the method described in claim 1, it is characterized in that, the base station is according to main carrier and the upstream auxiliary carriers
Polymerization methods it is scheduled to the upstream auxiliary carriers by the physical downlink control channel PDCCH of the downlink main carrier to carry
Afterwards, further include：
The base station indicates that physical channel PHICH sends institute to the terminal by the mixed automatic retransfer of the downlink main carrier to carry
State the feedback information of the PUSCH scheduling of upstream auxiliary carriers.
3. according to the method described in claim 2, it is characterized in that, the base station is automatic by the mixing of the downlink main carrier to carry
Retransmit physical channel PHICH sends the feedback information that the PUSCH of the upstream auxiliary carriers is dispatched to the terminal, including：
The base station will confirm that ACK/ does not confirm that nack message is carried on the spaces PHICH of the downlink main carrier to carry of extension；Or
Person,
The base station sends ACK/NACK information by the special subspace of upstream auxiliary carriers to the terminal, wherein the uplink
The special subspace of secondary carrier is auxiliary for the uplink in multiple subspaces that the spaces PHICH of the downlink main carrier to carry are divided into
The subspace that carrier wave uses；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and the special son of main carrier
Space；Alternatively,
The base station sends ACK/NACK information by sharing the spaces PHICH of the downlink main carrier to carry to the terminal.
4. a kind of base station, which is characterized in that polymerize cluster comprising at least one carrier wave in carrier wave polymerization, wrapped in the carrier wave polymerization cluster
Containing a downlink main carrier to carry and K up-link carrier, wherein the K up-link carrier includes 1 uplink main carrier, the K
K-1 up-link carrier in a up-link carrier in addition to the uplink main carrier is upstream auxiliary carriers, wherein K is more than or equal to 2
Integer, the base station, including：
Configuration module, the configuration information for sending the upstream auxiliary carriers for being terminal configuration to terminal, wherein the configuration
Information includes：The common configuration information of carrier level and/or the configuration information of terminating stage；
Scheduler module, the object for passing through the downlink main carrier to carry according to main carrier and the polymerization methods of the upstream auxiliary carriers
Reason down control channel PDCCH the upstream auxiliary carriers are scheduled so that the terminal by the upstream auxiliary carriers to
The base station carries out the scheduling of Physical Uplink Shared Channel PUSCH, wherein the main carrier includes：The uplink main carrier with
And the downlink main carrier to carry；
Wherein, the polymerization methods include：Polymerization methods one and polymerization methods two；Main carrier described in the polymerization methods one
Only retain the sub-frame of uplink in tdd frame structure using Time Division Duplex TDD frame structure and the upstream auxiliary carriers；The polymerization side
Main carrier described in formula two uses whole subframes in tdd frame structure and the upstream auxiliary carriers frame structure all for uplink
Frame；
If the configuration information is the common configuration information of carrier level, the configuration module is specifically used for：In the main load of the downlink
Send the configuration information of the upstream auxiliary carriers on wave to the terminal by the forms of broadcasting；Alternatively, passing through wireless heterogeneous networks
RRC agreements dedicated signaling sends the configuration information of the upstream auxiliary carriers to the terminal；
Accordingly, if the configuration information be terminating stage configuration information, the configuration module also particularly useful for：It is special by RRC
The configuration information of the upstream auxiliary carriers is sent to the terminal with signaling；
The scheduler module is specifically used for：
Determine the main carrier and the polymerization methods of the upstream auxiliary carriers；
If polymerization methods are the polymerization methods one, if polymerization methods are the polymerization methods two and the terminal is not supported
It is carried out at the same time the reception of main carrier and the transmission of secondary carrier, then passes through the Downlink Control Information DCI format zero of the setting PDCCH
The upstream auxiliary carriers are scheduled, wherein the DCI format zero includes that first carrier indicates information, the first carrier
Indicate that information is used to indicate the upstream auxiliary carriers for needing to dispatch；Alternatively, then indicating PDCCH DCI formats by RRC dedicated signalings
Zero channel is scheduled the upstream auxiliary carriers；Wherein, the PDCCH is for carrying DCI；
If polymerization methods are the polymerization methods two, and the terminal supports the hair for being carried out at the same time the reception and secondary carrier of main carrier
It send, then the sub-frame of uplink of the upstream auxiliary carriers is scheduled by the way that the DCI format of PDCCH is arranged, wherein the DCI lattice
Formula includes：Second carrier indication information and sub-frame of uplink indicate that information, second carrier indication information are used to indicate needs
The upstream auxiliary carriers of scheduling, the sub-frame of uplink instruction information are used to indicate the sub-frame of uplink for needing to dispatch.
5. base station according to claim 4, which is characterized in that further include：
Feedback module, for indicating physical channel PHICH to the terminal by the mixed automatic retransfer of the downlink main carrier to carry
Send the feedback information of the PUSCH scheduling of the upstream auxiliary carriers.
6. base station according to claim 5, which is characterized in that the feedback module is specifically used for：
It will confirm that ACK/ does not confirm that nack message is carried on the spaces PHICH of the downlink main carrier to carry of extension；Alternatively,
ACK/NACK information is sent to the terminal, wherein the upstream auxiliary carriers are special by the special subspace of upstream auxiliary carriers
It is used for the upstream auxiliary carriers in the multiple subspaces being divided into the spaces PHICH that subspace is the downlink main carrier to carry
Subspace；The multiple subspace includes：The special subspace of the upstream auxiliary carriers and the special subspace of main carrier；Or
Person,
The spaces PHICH by sharing the downlink main carrier to carry send ACK/NACK information to the terminal.
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| CN201410433129.1A CN105450376B (en) | 2014-08-28 | 2014-08-28 | The control method and device of secondary carrier in asymmetric up-link carrier polymerization |
| PCT/CN2015/087627 WO2016029819A1 (en) | 2014-08-28 | 2015-08-20 | Method and apparatus for controlling a secondary carrier in asymmetric uplink carrier aggregation |
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| CN201410433129.1A CN105450376B (en) | 2014-08-28 | 2014-08-28 | The control method and device of secondary carrier in asymmetric up-link carrier polymerization |
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| CN105490790B (en) * | 2014-10-13 | 2019-03-05 | 成都鼎桥通信技术有限公司 | The configuration method and device of secondary carrier in carrier wave polymerization |
| CN107612671A (en) * | 2017-10-24 | 2018-01-19 | 厦门美图移动科技有限公司 | carrier power control method and device |
| CN109728887A (en) * | 2017-10-27 | 2019-05-07 | 成都鼎桥通信技术有限公司 | The carrier wave collocation and equipment of carrier wave polymerization |
| CN109729584B (en) * | 2017-10-27 | 2022-06-10 | 成都鼎桥通信技术有限公司 | Uplink bandwidth compression method and device for asymmetric uplink carrier aggregation |
| CN109729595A (en) * | 2017-10-27 | 2019-05-07 | 成都鼎桥通信技术有限公司 | The PDCCH processing method and equipment of asymmetric up-link carrier polymerization |
| CN109756312A (en) * | 2017-11-02 | 2019-05-14 | 成都鼎桥通信技术有限公司 | A kind of setting method and device of PDCCH search space |
| CN108183782B (en) * | 2017-11-28 | 2020-11-17 | 上海华为技术有限公司 | Signal transmission method, base station and user equipment in asymmetric carrier aggregation |
| CN109963338B (en) * | 2017-12-25 | 2023-07-21 | 成都鼎桥通信技术有限公司 | Scheduling method and system for uplink carrier in special LTE-FDD cell |
| CN110913494B (en) * | 2018-09-17 | 2023-04-07 | 成都鼎桥通信技术有限公司 | Transmission method, device, equipment and storage medium of uplink voice service |
| CN111555839B (en) * | 2019-02-11 | 2022-04-15 | 成都鼎桥通信技术有限公司 | Method and equipment for allocating uplink carrier resources in carrier aggregation |
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| CN102548007A (en) * | 2010-12-31 | 2012-07-04 | 中国移动通信集团公司 | Scheduling method, system and equipment in carrier aggregation system |
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