CN105451340A - Carrier aggregation method, apparatus and terminal device - Google Patents
Carrier aggregation method, apparatus and terminal device Download PDFInfo
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- CN105451340A CN105451340A CN201410438070.5A CN201410438070A CN105451340A CN 105451340 A CN105451340 A CN 105451340A CN 201410438070 A CN201410438070 A CN 201410438070A CN 105451340 A CN105451340 A CN 105451340A
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Abstract
The invention discloses a carrier aggregation method, apparatus and terminal device. The carrier aggregation method comprises the steps of configuring a terminal with a first auxiliary service cell (SCell 1) and a second auxiliary service cell (SCell 2) that operate at the same frequency point, adopt a complementary time division duplex (TDD) downlink and uplink sub-frame structure and conduct data transmission only on the sub-frames thereof at the same time; and transmitting all frequency point information of the SCell 2 and offset amount information between the SCell 2 and the SCell 1 to the terminal. The carrier aggregation method, apparatus and terminal device enable downlink sub-frames (including special sub-frames) and uplink sub-frames operating in the auxiliary service cells of TDD carriers to achieve a ratio of 10:0, without affecting the TDD independent operation at the same time.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the method for carrier aggregation, device and terminal equipment.
Background technology
Multi-carrier polymerizing is supported in existing Long Term Evolution (LTE) system, each carrier wave is exactly an independently Serving cell, and the terminal being configured carrier aggregation can connect a main Serving cell (PCell) and maximum four auxiliary serving cells (SCell), be wherein time synchronized between PCell and SCell.In addition, multiple SCell that in prior art, terminal is configured are operated on different frequencies, and when certain SCell is a time division duplex carrier wave, this SCell has seven kinds of time division duplex uplink downlink subframe structures to adopt.These seven kinds of time division duplex uplink downlink subframe structures are as shown in table 1:
Table 1 time division duplex uplink downlink structure
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ||
| 0 | 5ms | D | S | U | U | U | D | S | U | U | U |
| 1 | 5ms | D | S | U | U | D | D | S | U | U | D |
| 2 | 5ms | D | S | U | D | D | D | S | U | D | D |
| 3 | 10ms | D | S | U | U | U | D | D | D | D | D |
| 4 | 10ms | D | S | U | U | D | D | D | D | D | D |
| 5 | 10ms | D | S | U | D | D | D | D | D | D | D |
| 6 | 5ms | D | S | U | U | U | D | S | U | U | D |
Wherein, 5ms and 10ms in table refers to the uplink downlink change-over period 5 milliseconds and 10 milliseconds two kinds, and alphabetical D represents the descending sub frame DL of SCell, and alphabetical S represents special subframe, and letter U represents sub-frame of uplink UL, and in table, the time of each subframe is 1 millisecond.
Increase gradually for by the demand of network side to the downlink business of terminal at present, such as in life at ordinary times, the downloading service of network side can be obviously many than the business uploaded, in order to meet the demand of downlink business, need in the data transmission procedure of network side to terminal, make the descending sub frame of the auxiliary serving cell of terminal configuration (comprising special subframe) can improve as required with the ratio of sub-frame of uplink, even can reach 10:0.And the descending sub frame (comprising special subframe) of auxiliary serving cell achieved by prior art and the ratio of sub-frame of uplink are normally fixing, be difficult to flexible configuration as required.In addition, no matter this SCell adopts any configuration in table 1, all can not reach descending sub frame (comprising special subframe): sub-frame of uplink is the effect of 10:0.For this situation, some scheme proposes a kind of carrier wave only having descending sub frame, and due to without sub-frame of uplink, the program can cause time division duplex cannot work alone on this carrier wave.
Therefore, be necessary to provide a kind of method, device and terminal equipment, can make the ratio of the descending sub frame of auxiliary serving cell (comprising special subframe) and sub-frame of uplink can flexible configuration, do not affect again the normal work of time division duplex simultaneously.
Summary of the invention
In order to overcome the above-mentioned problems in the prior art, embodiments provide a kind of method of carrier aggregation, device and terminal equipment, achieve the descending sub frame (comprising special subframe) of auxiliary serving cell and the flexible configuration of the ratio of sub-frame of uplink, do not affect again the normal work of time division duplex simultaneously.
In order to solve the problems of the technologies described above, the embodiment of the present invention adopts following technical scheme:
According to an aspect of the embodiment of the present invention, provide a kind of method of carrier aggregation, the method comprises:
For terminal configuration is operated in the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2), wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1 is sent to terminal.
Alternatively, the information of terminal is sent to also to comprise: to be used to indicate the control information carrying out data transmit-receive on SCell1 or SCell2.
Alternatively, when being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, control information indicating terminal is utilized to receive data further on all descending sub frames and special subframe of SCell1 and SCell2.
Alternatively, for configuration the descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink be 10-x:x time, utilize control information indicating terminal to send data further on the sub-frame of uplink of SCell1, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1, further by radio resource control RRC signaling, is sent to terminal by network side.
According to another aspect of the embodiment of the present invention, provide a kind of method of carrier aggregation, the method comprises:
Receive the signaling that network side sends, signaling carries the information being operated in the side-play amount between the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) frequency point information used and SCell2 and SCell1 that network side is terminal configuration, wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
According to the frequency point information of carrying in signaling, determine SCell1 and SCell2 frequency used, and determine the subframe position of SCell1 and SCell2 according to the offset information between SCell1 and SCell2, the corresponding subframe of SCell1 or SCell2 carries out data transmit-receive.
Alternatively, signaling also carries the control information being used to indicate and carrying out data transmit-receive on SCell1 and SCell2.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, when control information instruction receives data on all descending sub frames and special subframe of SCell1 and SCell2, according to control information, on all descending sub frames and special subframe of SCell1 and SCell2, data are received respectively.
Alternatively, on the sub-frame of uplink of SCell1, data are sent in control information instruction, SCell1 or SCell2 descending/special subframe on receive data time, according to control information, the sub-frame of uplink of SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
According to another aspect of the embodiment of the present invention, provide a kind of device of carrier aggregation, comprising:
Dispensing unit, for being operated in the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) for terminal configuration, wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Transmitting element, for sending to terminal by the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1.
Alternatively, transmitting element is also for sending to terminal by being used to indicate the control information carrying out data transmit-receive on SCell1 or SCell2.
Alternatively, transmitting element, is further used for, when being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, utilizing control information indicating terminal to receive data on all descending sub frames and special subframe of SCell1 and SCell2.
Alternatively, transmitting element, be further used for when being 10-x:x for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, control information indicating terminal is utilized to send data on the sub-frame of uplink of SCell1, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, transmitting element is further used for by radio resource control RRC signaling, and the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1 is sent to terminal.
According to another aspect of the embodiment of the present invention, provide a kind of device of carrier aggregation, comprising:
Receiving element, for receiving the signaling that network side sends, signaling carries the information being operated in the side-play amount between the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) frequency point information used and SCell2 and SCell1 that network side is terminal configuration, wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Data transmission unit, for according to the frequency point information of carrying in signaling, determine SCell1 and SCell2 frequency used, and determine the subframe position of SCell1 and SCell2 according to the offset information between SCell1 and SCell2, the corresponding subframe of SCell1 or SCell2 carries out data transmit-receive.
Alternatively, the signaling that the network side that receiving element receives sends also comprises the control information being used to indicate and carrying out data transmit-receive on SCell1 and SCell2.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, data transmission unit, be further used for, when control information instruction receives data on all descending sub frames and special subframe of SCell1 and SCell2, according to control information, on all descending sub frames and special subframe of SCell1 and SCell2, receiving data respectively.
Alternatively, data transmission unit, be further used on the sub-frame of uplink of SCell1, sending data in control information instruction, SCell1 or SCell2 descending/special subframe on receive data time, according to control information, the sub-frame of uplink of SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
According to another aspect of the embodiment of the present invention, additionally provide a kind of terminal equipment, comprise the device of above-mentioned carrier aggregation.
The beneficial effect of the embodiment of the present invention is: the method adopting carrier aggregation of the present invention, device and terminal equipment, by the first auxiliary serving cell (SCell1) and the second auxiliary serving cell (SCell2) that network side is terminal configuration complementation, this SCell1 and SCell2 is made to be operated on identical frequency, again because SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and SCell2 has corresponding side-play amount relative to SCell1, so make the descending sub frame of SCell1 or special subframe correspond to the sub-frame of uplink of SCell2, the sub-frame of uplink of SCell1 corresponds to descending sub frame or the special subframe of SCell2 simultaneously.
Further, when network controls terminal is only on the descending sub frame or special subframe of SCell1 or SCell2 during downlink data receiving, then the ratio of the descending sub frame (comprising special subframe) and sub-frame of uplink that can reach the SCell working in time division duplex carrier wave reaches the effect of 10:0.In addition, network side can also flexible control terminal transceiving data in the subframe of SCell1 or SCell2 as required, realizes the effect that descending sub frame (comprising special subframe) and the ratio of sub-frame of uplink reach 10-x:x, wherein, and 1≤x≤9.
Accompanying drawing explanation
Schematic flow sheet when Fig. 1 represents that the method for carrier aggregation in the embodiment of the present invention is applied to a network side;
Schematic flow sheet when Fig. 2 represents that the method for carrier aggregation in the embodiment of the present invention is applied to a terminal;
Fig. 3 represents the operation principle schematic diagram of complementary SCell1 and SCell2;
Fig. 4 represents that complementary SCell1 and SCell2 only uses the operation principle schematic diagram of descending sub frame and special subframe;
Fig. 5 represents that complementary SCell1 and SCell2 exists the operation principle schematic diagram of flexible sub-frame.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment one
As shown in Figure 1, be the schematic flow sheet of method when being applied to a network side of the carrier aggregation that the embodiment of the present invention provides, the method comprises:
Step S11, be operated in the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) for terminal configuration.
In prior art, same frequency only configures an auxiliary serving cell usually, and in embodiments of the present invention, SCell1 and SCell2 is operated on identical frequency, and SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, synchronization is only at the subframe transmitting data of SCell1 or SCell2.
Wherein SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure to refer to, the descending sub frame (comprising special subframe) of SCell1 and the ratio of sub-frame of uplink, equal the inverse of the descending sub frame (comprising special subframe) of SCell2 and the ratio of sub-frame of uplink, and when there is a default bias amount in time between SCell2 and SCell1, as shown in Figure 3, the descending sub frame of SCell1 or special subframe correspond to the sub-frame of uplink of SCell2, and the sub-frame of uplink of SCell1 then corresponds to descending sub frame or the special subframe of SCell2.For SCell2 exists a side-play amount postponed in time relative to SCell1 shown in Fig. 3.According to different subframe structures, also likely there is a side-play amount postponed in time relative to SCell2 in SCell1.
In addition, SCell1 and SCell2 working in identical frequency may shared radio frequency passage.
Step S13, the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1 is sent to terminal.
That is, after frequency point information used for SCell1 and SCell2 is communicated to terminal by network side, the terminal frequency that just clear and definite SCell1 and the SCell2 transceiving data of meeting is used, and network side needs the time offset information between notification terminal SCell2 and SCell1, with the particular location making terminal determine each subframe of SCell1 and SCell2, to realize the data transmit-receive in corresponding subframe.
Alternatively, the information of terminal is sent to also to comprise: to be used to indicate the control information carrying out data transmit-receive on SCell1 or SCell2.
Alternatively, when being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, control information indicating terminal is utilized to receive data further on all descending sub frames and special subframe of SCell1 and SCell2.
As shown in Figure 4, when control information indicating terminal receives data on all descending sub frames and special subframe of SCell1 and SCell2, namely terminal all only uses descending sub frame and special subframe downlink data receiving on SCell1 and SCell2, and not using sub-frame of uplink to send upstream data, the ratio of the descending sub frame (comprising special subframe) and sub-frame of uplink that now reach the auxiliary serving cell working in time division duplex carrier wave in a complete frame period equals the effect of 10:0.
Alternatively, for configuration the descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink be 10-x:x time, utilize control information indicating terminal to send data further on the sub-frame of uplink of SCell1, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.Certainly, be also not limited thereto in an embodiment of the present invention, terminal also can send data on the sub-frame of uplink of SCell2, SCell1 or SCell2 descending/special subframe on receive data.
As shown in Figure 5, the first flexible sub-frame comprises a sub-frame of uplink and a descending sub frame of SCell2, a special subframe of SCell1; Second flexible sub-frame comprises two sub-frame of uplink of SCell1 and a special subframe of SCell2; 3rd flexible sub-frame comprises three sub-frame of uplink of SCell1; 4th flexible sub-frame comprises two descending sub frames and a special subframe of SCell2.
In addition, the 0th frame of SCell1 and in the time of the 5th frame SCell1 be operated in descending sub frame and SCell2 does not work, the 1st frame of SCell1 and in the time of the 6th frame SCell1 be operated in special subframe and SCell2 does not work, working condition in other times adopts then can realize descending sub frame (comprising special subframe) by the combination of these four kinds of flexible sub-frame: sub-frame of uplink equals the effect of 10-x:x, wherein, 1≤x≤9.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1, certain embodiments of the invention are also not limited thereto, also can adopt TDDUL-DLconfiguration1 by SCell1, and SCell2 adopts TDDUL-DLconfiguration0.
Time cycle due to each subframe is 1 millisecond, in order to the effect making SCell1 and SCell2 reach complementary, namely as shown in Figure 3, the descending sub frame of SCell1 or special subframe is made to correspond to the sub-frame of uplink of SCell2, the sub-frame of uplink of SCell1 then corresponds to descending sub frame or the special subframe of SCell2, so SCell2 needs relative SCell1 to postpone the time cycle of three subframes, namely 3 milliseconds.
Alternatively, the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1, further by wireless heterogeneous networks (RRC) signaling, is sent to terminal by network side.
Certainly, the method that above-mentioned information sends to the method for terminal to be not limited to by RRC signaling by network side, is also not limited by signaling procedure and still by repeatedly signaling procedure, above-mentioned information is sent to terminal.
Embodiment two
According to another aspect of the embodiment of the present invention, additionally provide the method for another kind of carrier aggregation.
As shown in Figure 2, the schematic flow sheet of the method for another carrier aggregation provided for the embodiment of the present invention, the method comprises:
The signaling that step S21, reception network side send.
In an embodiment of the present invention, this signaling carries the information of the side-play amount between the first auxiliary serving cell (SCell1) and the second auxiliary serving cell (SCell2) frequency point information used and SCell2 and SCell1 that network side is the complementation of terminal configuration.Wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and SCell1 and SCell2 is operated on identical frequency, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2.
Step S23, according to the frequency point information of carrying in signaling, determine SCell1 and SCell2 frequency used, and the subframe position of SCell1 and SCell2 is determined according to the offset information between SCell1 and SCell2, the corresponding subframe of SCell1 or SCell2 carries out data transmit-receive.
In embodiments of the invention, SCell1 and SCell2 is operated on identical frequency, so terminal can only measuring reference signals receiving intensity (RSRP) on SCell1, SCell2 does not measure RSRP, also both RSRP can be measured on SCell1, also on SCell2, measure RSRP, facilitate the monitoring of terminal to RSRP.
Can find out, embodiment of the present invention terminal have also been made improvement, and this terminal can the signaling of side Network Based, transceiving data on the multiple SCell being operated in identical frequency.
Alternatively, signaling also carries the control information being used to indicate and carrying out data transmit-receive on SCell1 and SCell2.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
As shown in Figure 3, make the descending sub frame of SCell1 or special subframe correspond to the sub-frame of uplink of SCell2 by this side-play amount of 3 milliseconds, the sub-frame of uplink of SCell1 then corresponds to descending sub frame or the special subframe of SCell2.
Alternatively, when control information instruction receives data on all descending sub frames and special subframe of SCell1 and SCell2, according to control information, on all descending sub frames and special subframe of SCell1 and SCell2, data are received respectively.
Alternatively, on the sub-frame of uplink of SCell1, data are sent in control information instruction, SCell1 or SCell2 descending/special subframe on receive data time, according to control information, the sub-frame of uplink of SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
In the embodiment of the present invention, when signaling indicating terminal receives data on all descending sub frames and special subframe of SCell1 and SCell2, in a complete frame period, the descending sub frame (comprising special subframe) of auxiliary serving cell then can be reached and the ratio of sub-frame of uplink is the effect of 10:0.
In addition, when signaling indicating terminal sends data on the sub-frame of uplink of SCell1, SCell1 or SCell2 descending/special subframe on receive data time, because be present in the sub-frame of uplink of work, so within complete frame period, the descending sub frame (comprising special subframe) of auxiliary serving cell and the ratio of sub-frame of uplink can reach the effect of 10-x:x, wherein, 1≤x≤9, and then also can not affect working alone of time division duplex while making to reach 10:0 effect in certain complete frame period of SCell1 and SCell2 work.
Embodiment three
According to another aspect of the embodiment of the present invention, additionally provide a kind of device of carrier aggregation, comprising:
Dispensing unit, for being operated in the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) for terminal configuration, wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Transmitting element, for sending to terminal by the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1.
Dispensing unit is after SCell1 and SCell2 of terminal configuration complementation, and the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1 can be sent to terminal by transmitting element.
Alternatively, transmitting element also sends to terminal by being used to indicate the control information carrying out data transmit-receive on SCell1 or SCell2.
Alternatively, transmitting element, is further used for, when being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, utilizing control information indicating terminal to receive data on all descending sub frames and special subframe of SCell1 and SCell2.
When downlink business increases, when needing to make the descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink reach the effect of 10:0, transmitting element can utilize control information indicating terminal to receive data on all descending sub frames and special subframe of SCell1 and SCell2.
Alternatively, transmitting element, be further used for when being 10-x:x for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, control information indicating terminal is utilized to send data on the sub-frame of uplink of SCell1, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.
When there is uplink service, then transmitting element can utilize control information indicating terminal to send data on the sub-frame of uplink of SCell1 according to the ratio of uplink and downlink business, SCell1 or SCell2 descending/special subframe on receive data, thus the ratio of the descending sub frame and sub-frame of uplink that reach auxiliary serving cell is the effect of 10-x:x, wherein, 1≤x≤9, all can complete smoothly to meet uplink and downlink business.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, transmitting element is further used for, by wireless heterogeneous networks (RRC) signaling, the offset information between frequency point information used for SCell1 and SCell2 and SCell2 and SCell1 being sent to terminal.
Embodiment four
According to another aspect of the embodiment of the present invention, provide a kind of device of carrier aggregation, comprising:
Receiving element, for receiving the signaling that network side sends, signaling carries network and surveys and be operated in the first auxiliary serving cell (SCell1) on identical frequency and the second auxiliary serving cell (SCell2) frequency point information used for terminal configuration, and the information of side-play amount between SCell2 and SCell1, wherein, SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Data transmission unit, for according to the frequency point information of carrying in signaling, determine SCell1 and SCell2 frequency used, and determine the subframe position of SCell1 and SCell2 according to the offset information between SCell1 and SCell2, the corresponding subframe of SCell1 or SCell2 carries out data transmit-receive.
Receiving element is after the signaling receiving network side transmission, and data transmission unit just can according to the relevant information of carrying in signaling in the transmitting-receiving completing data in the corresponding subframe of SCell1 or SCell2 smoothly.
Alternatively, the signaling that the network side that receiving element receives sends also comprises the control information being used to indicate and carrying out data transmit-receive on SCell1 and SCell2.
Alternatively, SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, and SCell2 adopts TDDUL-DLconfiguration1, and SCell2 has the side-play amount of 3 milliseconds of time delays relative to SCell1.
Alternatively, data transmission unit, be further used for, when control information instruction receives data on all descending sub frames and special subframe of SCell1 and SCell2, according to control information, on all descending sub frames and special subframe of SCell1 and SCell2, receiving data respectively.
Alternatively, data transmission unit, be further used on the sub-frame of uplink of SCell1, sending data in control information instruction, SCell1 or SCell2 descending/special subframe on receive data time, according to control information, the sub-frame of uplink of SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
According to another aspect of the embodiment of the present invention, additionally provide a kind of terminal equipment, comprise the device of above-mentioned carrier aggregation.
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements and modifications are also in protection scope of the present invention.
Claims (23)
1. a method for carrier aggregation, is characterized in that, described method comprises:
For terminal configuration is operated in the first auxiliary serving cell SCell1 on identical frequency and the second auxiliary serving cell SCell2, wherein, described SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of described SCell1 or SCell2;
Offset information between frequency point information used for described SCell1 and SCell2 and described SCell2 and SCell1 is sent to described terminal.
2. the method for carrier aggregation as claimed in claim 1, is characterized in that, send to the information of described terminal also to comprise: to be used to indicate the control information carrying out data transmit-receive on described SCell1 or SCell2.
3. the method for carrier aggregation as claimed in claim 2, is characterized in that,
When being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, described control information is utilized to indicate described terminal to receive data on all descending sub frames and special subframe of described SCell1 and SCell2 further.
4. the method for carrier aggregation as claimed in claim 2, is characterized in that,
When being 10-x:x for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, described control information is utilized to indicate described terminal to send data on the sub-frame of uplink of described SCell1 further, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.
5. the method for the carrier aggregation as described in any one of claim 1-4, it is characterized in that, described SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, described SCell2 adopts TDDUL-DLconfiguration1, and described SCell2 has the side-play amount of 3 milliseconds of time delays relative to described SCell1.
6. the method for carrier aggregation as claimed in claim 1, it is characterized in that, further by radio resource control RRC signaling, the offset information between frequency point information used for described SCell1 and SCell2 and described SCell2 and SCell1 is sent to described terminal.
7. a method for carrier aggregation, is characterized in that, described method comprises:
Receive the signaling that network side sends, described signaling carry network side be terminal configuration be operated in the first auxiliary serving cell SCell1 on identical frequency and the second auxiliary serving cell SCell2 frequency point information used, and the information of side-play amount between described SCell2 and SCell1, wherein, described SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
According to the described frequency point information of carrying in described signaling, determine SCell1 and SCell2 frequency used, and the subframe position of described SCell1 and SCell2 is determined according to the offset information between SCell1 and SCell2, the corresponding subframe of described SCell1 or SCell2 carries out data transmit-receive.
8. the method for carrier aggregation as claimed in claim 7, it is characterized in that, described signaling also carries the control information being used to indicate and carrying out data transmit-receive on described SCell1 and SCell2.
9. the method for carrier aggregation as claimed in claim 7, it is characterized in that, described SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, described SCell2 adopts TDDUL-DLconfiguration1, and described SCell2 has the side-play amount of 3 milliseconds of time delays relative to described SCell1.
10. the method for carrier aggregation as claimed in claim 8, it is characterized in that, when described control information instruction receives data on all descending sub frames and special subframe of described SCell1 and SCell2, according to described control information, on all descending sub frames and special subframe of described SCell1 and SCell2, receive data respectively.
The method of 11. carrier aggregation as claimed in claim 8, it is characterized in that, described terminal is indicated to send data on the sub-frame of uplink of described SCell1 in described control information, SCell1 or SCell2 descending/special subframe on receive data time, according to described control information, the sub-frame of uplink of described SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
The device of 12. 1 kinds of carrier aggregation, is characterized in that, comprising:
Dispensing unit, for being operated in the first auxiliary serving cell SCell1 on identical frequency and the second auxiliary serving cell SCell2 for terminal configuration, wherein, described SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of described SCell1 or SCell2;
Transmitting element, for sending to described terminal by the offset information between frequency point information used for described SCell1 and SCell2 and described SCell2 and SCell1.
The device of 13. carrier aggregation as claimed in claim 12, is characterized in that, described transmitting element also sends to described terminal by being used to indicate the control information carrying out data transmit-receive on described SCell1 or SCell2.
The device of 14. carrier aggregation as claimed in claim 13, is characterized in that,
Described transmitting element, be further used for, when being 10:0 for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, utilizing described control information to indicate described terminal to receive data on all descending sub frames and special subframe of described SCell1 and SCell2.
The device of 15. carrier aggregation as claimed in claim 13, is characterized in that,
Described transmitting element, be further used for when being 10-x:x for the configuration descending sub frame of auxiliary serving cell and the ratio of sub-frame of uplink, described control information is utilized to indicate described terminal to send data on the sub-frame of uplink of described SCell1, SCell1 or SCell2 descending/special subframe on receive data, wherein, 1≤x≤9.
The device of 16. carrier aggregation as described in any one of claim 12-15, it is characterized in that, described SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, described SCell2 adopts TDDUL-DLconfiguration1, and described SCell2 has the side-play amount of 3 milliseconds of time delays relative to described SCell1.
The device of 17. carrier aggregation as claimed in claim 12, it is characterized in that, described transmitting element is further used for by radio resource control RRC signaling, and the offset information between frequency point information used for described SCell1 and SCell2 and described SCell2 and SCell1 is sent to described terminal.
The device of 18. 1 kinds of carrier aggregation, is characterized in that, comprising:
Receiving element, for receiving the signaling that network side sends, described signaling carries the information being operated in the side-play amount between the first auxiliary serving cell SCell1 on identical frequency and the second auxiliary serving cell SCell2 frequency point information used and described SCell2 and SCell1 that network side is described terminal configuration, wherein, described SCell1 and SCell2 adopts complementary time division duplex uplink downlink subframe structure, and synchronization only carries out transfer of data in the subframe of SCell1 or SCell2;
Data transmission unit, for according to the described frequency point information of carrying in described signaling, determine SCell1 and SCell2 frequency used, and the subframe position of described SCell1 and SCell2 is determined according to the offset information between SCell1 and SCell2, the corresponding subframe of described SCell1 or SCell2 carries out data transmit-receive.
The device of 19. carrier aggregation as claimed in claim 18, is characterized in that, the signaling that the described network side that described receiving element receives sends also comprises the control information being used to indicate and carrying out data transmit-receive on described SCell1 and SCell2.
The device of 20. carrier aggregation as claimed in claim 18, it is characterized in that, described SCell1 adopts time division duplex uplink downlink structure TDDUL-DLconfiguration0, described SCell2 adopts TDDUL-DLconfiguration1, and described SCell2 has the side-play amount of 3 milliseconds of time delays relative to described SCell1.
The device of 21. carrier aggregation as claimed in claim 19, is characterized in that,
Described data transmission unit, be further used for when described control information instruction receives data on all descending sub frames and special subframe of described SCell1 and SCell2, according to described control information, on all descending sub frames and special subframe of described SCell1 and SCell2, receive data respectively.
The device of 22. carrier aggregation as claimed in claim 19, is characterized in that,
Described data transmission unit, be further used on the sub-frame of uplink of described SCell1, sending data in described control information instruction, SCell1 or SCell2 descending/special subframe on receive data time, according to described control information, the sub-frame of uplink of described SCell1 sends data, and SCell1 or SCell2 descending/special subframe on receive data.
23. 1 kinds of terminal equipments, is characterized in that, comprise the device of the carrier aggregation described in claim 18-22.
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