CN104683081B - A kind of carrier polymerizing method, ability information report method and device - Google Patents

Abstract

The invention discloses a kind of carrier polymerizing method, ability information report method and device, including：Network side receives the first ability information whether the expression terminal that terminal reports supports that the uplink on main carrier emits and the downlink reception in secondary carrier is carried out at the same time, wherein, main carrier is the carrier wave for authorizing frequency range, and secondary carrier is the carrier wave of unlicensed band；And when the first ability information represents that terminal does not support the downlink subframe in the uplink transmitting on main carrier and when the downlink reception in secondary carrier is carried out at the same time, being forbidden to use secondary carrier corresponding with the uplink of main carrier transmitting position to communicate with the terminal.Using scheme provided in an embodiment of the present invention, the performance to communicate by carrier aggregation mode using unlicensed band is improved.

Description

A carrier aggregation method, capability information reporting method and device

technical field

The present invention relates to the field of communication technology, in particular to a carrier aggregation method, a capability information reporting method and a device.

Background technique

The existing Long Term Evolution (LTE, Long Term Evolution) system can only work in the authorized frequency band assigned to the cellular mobile communication system defined by the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) standardization organization, but with the mobile With the rapid development of Internet services, the traffic volume is increasing, and the existing licensed frequency bands are gradually unable to meet the frequency requirements of the LTE system.

The existing LTE system can only work in the licensed frequency band (licensed, the frequency is allocated to fixed users, exclusive) allocated to the cellular mobile communication system. With the shortage of frequency resources, the licensed frequency band will not be able to meet the future business frequency requirements . my country has allocated a total of 408.5MHz license-free frequency bands (Unlicensed, no fixed frequency users, as long as It can be used if the technical requirements of the frequency band are met, and there is no need to report to the management agency), and a new license-free frequency band of 5475-5725MHz may be opened in the future. The license-free frequency band is expected to become an important supplement to the license-free frequency band, but the existing LTE system cannot be used in the license-free frequency band.

Currently, a hypothetical solution for realizing the use of the license-free frequency band in the LTE system is a solution of carrier aggregation using a carrier of the licensed frequency band and a carrier of the license-free frequency band.

Due to the limitation of the size and cost of the terminal, the capability of the terminal's RF filter is limited, and effective RF isolation cannot be achieved. If a high-performance filter is used, it will increase the cost of the terminal and also bring higher insertion loss. This will result in a decrease in network coverage performance and an increase in coverage costs.

Therefore, when the terminal communicates using carrier aggregation, it is likely that effective radio frequency isolation cannot be achieved on the two frequency bands of carrier aggregation. It is difficult to effectively eliminate the position of the second, third, and fifth harmonics of the intermodulation product (for example, the third harmonic of the uplink 1710-1785MHz of the most widely used international LTE FDD band3 is located at 5130-5355MHz, and its third harmonic product just falls on In the license-free frequency band 5150-5250MHz and 5250-5350MHz; the second harmonic of Band41's uplink 2500-2690MHz is located at 5000-5380MHz, and its second harmonic product falls exactly in the license-free frequency band 5150-5250MHz and 5250-5350MHz; in addition , when dual uplink aggregation of two licensed frequency bands plus license-free frequency band aggregation, the harmonic and intermodulation interference products are more complicated), the above reasons may cause the terminal to be unable to transmit and receive simultaneously on the licensed frequency band and the license-free frequency band, resulting in The aggregation method uses the license-free frequency band, and it cannot obtain better communication performance.

Contents of the invention

Embodiments of the present invention provide a carrier aggregation method, a capability information reporting method, and a device, so as to solve the problem in the prior art that the performance of communication using an unlicensed frequency band in a carrier aggregation manner is poor.

An embodiment of the present invention provides a carrier aggregation method using an unlicensed frequency band, including:

The network side receives the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, wherein the main carrier is a carrier in the licensed frequency band, and the auxiliary carrier is license-free The carrier of the frequency band;

When the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, it is forbidden to use the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier and The terminal communicates.

The embodiment of the present invention also provides a method for reporting capability information, including:

The terminal reports to the network side the first capability information of whether it supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, wherein the main carrier is a carrier in a licensed frequency band, and the auxiliary carrier is a carrier in an unlicensed frequency band.

An embodiment of the present invention also provides a carrier aggregation device using an unlicensed frequency band, including:

The first receiving unit is configured to receive the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, where the primary carrier is a carrier in the licensed frequency band, The secondary carrier is a carrier in the license-free frequency band;

The first control unit is configured to, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, prohibit using the uplink transmission position corresponding to the main carrier The downlink subframe of the secondary carrier communicates with the terminal.

The embodiment of the present invention also provides a device for reporting capability information, which is applied to a terminal, including:

The first reporting unit is used to report to the network side whether the terminal supports the first capability information of simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier The carrier is a carrier in an unlicensed frequency band.

The beneficial effects of the present invention include:

In the above solution provided by the embodiment of the present invention, in the process of carrier aggregation using the carrier of the licensed frequency band as the main carrier and the carrier of the unlicensed frequency band as the auxiliary carrier, the terminal reports to the network side whether the terminal supports the uplink on the main carrier The first capability information of simultaneous transmission and downlink reception on the secondary carrier. When the first capability information on the network side indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, it is prohibited to use The downlink subframe of the auxiliary carrier corresponding to the uplink transmission position of the main carrier communicates with the terminal, thereby avoiding that if the downlink subframe of the auxiliary carrier corresponding to the uplink transmission position of the main carrier is used to communicate with the terminal at this time, it will not be able to obtain better communication In terms of performance, the performance of communication using the unlicensed frequency band through carrier aggregation is improved.

The embodiment of the present invention also provides a carrier aggregation method using an unlicensed frequency band, including:

The network side receives the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier is license-free The carrier of the frequency band;

When the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, it is prohibited to use the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier and The terminal communicates.

The embodiment of the present invention also provides a method for reporting capability information, including:

The terminal reports to the network side the second capability information of whether it supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, where the main carrier is a carrier in a licensed frequency band, and the auxiliary carrier is a carrier in an unlicensed frequency band.

An embodiment of the present invention also provides a carrier aggregation device using an unlicensed frequency band, including:

The second receiving unit is configured to receive the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, where the main carrier is a carrier in the licensed frequency band, The secondary carrier is a carrier in the license-free frequency band;

The second control unit is configured to, when the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, prohibit using the downlink receiving position corresponding to the main carrier The uplink subframe of the secondary carrier communicates with the terminal.

The embodiment of the present invention also provides a device for reporting capability information, which is applied to a terminal, including:

The second reporting unit is used to report to the network side the second capability information of whether it supports downlink reception on the main carrier and uplink transmission on the auxiliary carrier simultaneously, wherein the main carrier is a carrier in the authorized frequency band, and the auxiliary carrier is Carriers in unlicensed frequency bands.

The beneficial effects of the present invention include:

In the above solution provided by the embodiment of the present invention, in the process of carrier aggregation using the carrier in the licensed frequency band as the main carrier and the carrier in the unlicensed frequency band as the auxiliary carrier, the terminal reports to the network side whether the terminal supports downlink on the main carrier Receive the second capability information that is simultaneously performed with uplink transmission on the secondary carrier. When the second capability information on the network side indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, it is prohibited to use The uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier communicates with the terminal, thereby avoiding that if the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier is used to communicate with the terminal at this time, it will not be able to obtain better communication In terms of performance, the performance of communication using the unlicensed frequency band through carrier aggregation is improved.

Additional features and advantages of the application will be set forth in the description which follows, and, in part, will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

FIG. 1 is one of the flow charts of a carrier aggregation method using an unlicensed frequency band applied to the network side provided by an embodiment of the present invention;

FIG. 2 is one of the flowcharts of the method for reporting capability information applied to the terminal side provided by an embodiment of the present invention;

FIG. 3 is the second flow chart of the carrier aggregation method using the unlicensed frequency band applied to the network side provided by the embodiment of the present invention;

FIG. 4 is the second flow chart of the capability information reporting method applied to the terminal side provided by the embodiment of the present invention;

FIG. 5A is a schematic diagram of a carrier aggregation method using an unlicensed frequency band in Embodiment 1 of the present invention;

FIG. 5B is a schematic diagram of scheduling of downlink subframes with restricted secondary carriers in Embodiment 1 of the present invention;

FIG. 6 is a flowchart of a carrier aggregation method using an unlicensed frequency band provided in Embodiment 1 of the present invention;

FIG. 7A is a schematic diagram of a carrier aggregation method using an unlicensed frequency band in Embodiment 2 of the present invention;

FIG. 7B is a schematic diagram of the scheduling of downlink subframes and uplink subframes with restricted secondary carriers in Embodiment 2 of the present invention;

FIG. 8 is a flowchart of a carrier aggregation method using an unlicensed frequency band provided in Embodiment 2 of the present invention;

FIG. 9A is a schematic diagram of a carrier aggregation method using an unlicensed frequency band in Embodiment 3 of the present invention;

FIG. 9B is a schematic diagram of scheduling of downlink subframes with restricted secondary carriers in Embodiment 3 of the present invention;

FIG. 10 is a flowchart of a carrier aggregation method using an unlicensed frequency band provided in Embodiment 3 of the present invention;

FIG. 11A is a schematic diagram of a carrier aggregation method using an unlicensed frequency band in Embodiment 4 of the present invention;

FIG. 11B is a schematic diagram of the scheduling of downlink subframes and uplink subframes with restricted secondary carriers in Embodiment 4 of the present invention;

FIG. 12 is a flowchart of a carrier aggregation method using an unlicensed frequency band provided in Embodiment 4 of the present invention;

FIG. 13 is a schematic structural diagram of a carrier aggregation device using an unlicensed frequency band provided in Embodiment 5 of the present invention;

FIG. 14 is a schematic structural diagram of an apparatus for reporting capability information provided in Embodiment 6 of the present invention;

FIG. 15 is a schematic structural diagram of a carrier aggregation device using an unlicensed frequency band provided in Embodiment 7 of the present invention;

FIG. 16 is a schematic structural diagram of an apparatus for reporting capability information provided in Embodiment 8 of the present invention.

Detailed ways

In order to provide an implementation plan for improving the performance of communication using an unlicensed frequency band through carrier aggregation, an embodiment of the present invention provides a carrier aggregation method, a method and a device for reporting capability information, and the following describes preferred embodiments of the present invention in conjunction with the accompanying drawings For illustration, it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, not to limit the present invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

An embodiment of the present invention provides a carrier aggregation method using an unlicensed frequency band, which is applied to the network side, as shown in FIG. 1 , including:

Step 101, the network side receives the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, wherein the main carrier is a carrier in the licensed frequency band, and the auxiliary carrier is free Carriers in licensed frequency bands.

Step 102: When the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, prohibiting the use of the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier and terminal communication.

Correspondingly, an embodiment of the present invention provides a method for reporting capability information, which is applied to the terminal side, as shown in FIG. 2 , including:

Step 201, the terminal reports to the network side the first capability information of whether it supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier is a license-free frequency band carrier.

Wherein, the first capability information can be used on the network side. When the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, it is forbidden to use the communication with the primary carrier. The downlink subframe of the secondary carrier corresponding to the uplink transmission position communicates with the terminal.

Further, in the method shown in the above-mentioned Figures 1-2, when the secondary carrier adopts the time division duplex TDD mode, the network side can also prohibit the use of the downlink normal transmission of the special subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier. Cross-frequency division multiplexing OFDM symbols is used for communication with the terminal, wherein the downlink OFDM symbols of the special subframe can be all or part of the OFDM symbols of the downlink pilot time slot DwPTS.

In the above methods shown in Figures 1-2, when the first capability information indicates that the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, corresponding control processing may not be performed, that is, it may not The scheduling of the downlink OFDM symbols of the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the main carrier and/or the downlink OFDM symbol of the special subframe is restricted.

Using the methods shown in Figures 1-2 above avoids when the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, if the secondary carrier corresponding to the uplink transmission position of the primary carrier is used In the case where the communication between the downlink subframe and the terminal cannot obtain better communication performance, that is, the performance of communication using the license-free frequency band through carrier aggregation is improved.

The embodiment of the present invention also provides a carrier aggregation method using an unlicensed frequency band, which is applied to the network side, as shown in Figure 3, including:

Step 301, the network side receives the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, wherein the main carrier is a carrier in the licensed frequency band, and the auxiliary carrier is free Carriers in licensed frequency bands.

Step 302. When the second capability information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, prohibit the use of the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier and terminal communication.

Correspondingly, the embodiment of the present invention also provides a method for reporting capability information, which is applied to the terminal side, as shown in FIG. 4 , including:

Step 401, the terminal reports to the network side the second capability information whether it supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier is a license-free frequency band carrier.

Wherein, the second capability information can be used on the network side. When the second capability information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, it is forbidden to use the The uplink subframe of the secondary carrier corresponding to the downlink receiving position communicates with the terminal.

Further, in the above-mentioned methods shown in Figures 3-4, when the secondary carrier adopts the TDD mode, the network side can also prohibit the use of the uplink OFDM symbols of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal In the communication, the uplink OFDM symbols of the special subframe may be all or part of the OFDM symbols of the uplink pilot time slot UpPTS.

In the above methods shown in Figures 3-4, when the second capability information indicates that the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, corresponding control processing may not be performed, that is, the terminal may not The uplink OFDM scheduling of the uplink subframes and/or special subframes of the secondary carrier corresponding to the downlink receiving position of the primary carrier is restricted.

Using the method shown in Figure 3-Figure 4 above avoids when the terminal does not support downlink reception on the primary carrier and uplink transmission on the secondary carrier at the same time, if the secondary carrier corresponding to the downlink receiving position of the primary carrier is used In the case where the communication between the uplink subframe and the terminal cannot obtain better communication performance, that is, the performance of communication using the license-free frequency band through carrier aggregation is improved.

Further, the above methods shown in Figures 1-2 and the methods shown in Figures 3-4 can also be used in combination, that is, the terminal reports the above-mentioned first capability information and second capability information to the network, which can be carried and reported through different messages , may also be carried and reported in the same message. After receiving the first capability information and the second capability information, the network side performs corresponding control processing through the processes shown in FIG. 1 and FIG. 3 respectively.

Further, in the above methods shown in Figures 1-2, in the above methods shown in Figures 3-4, and in the combination of the two methods, the terminal can also use the main carrier to report the secondary carrier downlink to the network side Acknowledgment/Negative Acknowledgment (ACK/NACK, Acknowledgment/Negative Acknowledgment) information of the subframe.

In addition to reporting the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side in the above-mentioned way, in the above-mentioned methods shown in Figure 3-Figure 4, and in the method of combining the two, the terminal can also use the following two methods: Report the ACK/NACK information of the secondary carrier downlink subframe to the network side in the following way:

The first method: when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting the ACK/NACK information of the secondary carrier downlink subframe, use the primary carrier to report the secondary carrier to the network side ACK/NACK information of the downlink subframe;

Otherwise, the secondary carrier may be used to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

The second method: when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, use the next available and The uplink subframe used for retransmission feedback reports the ACK/NACK information of the secondary carrier downlink subframe to the network side;

Otherwise, the secondary carrier may be used to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

Moreover, in the above-mentioned second method, specifically, the next available uplink subframe of the secondary carrier that is used for retransmission feedback can be used, and the ACK/NACK information of the downlink subframe of the secondary carrier and the ACK/NACK information of the secondary carrier downlink subframe and the The next available uplink subframe used for retransmission feedback originally needs ACK/NACK information to be fed back.

Further, in the above-mentioned methods shown in FIG. 3-FIG. 4, and in the combined method, when the terminal reports the first capability information and the second capability information to the network side, it may also preferentially use the primary carrier to report.

The methods provided by the present invention will be described in detail below by taking four carrier aggregation modes using unlicensed frequency bands as examples with reference to the accompanying drawings.

Example 1:

In Embodiment 1, as shown in FIG. 5A , in carrier aggregation, the main carrier is a carrier in the licensed frequency band, the secondary carrier is a carrier in the unlicensed frequency band, and the main carrier adopts Frequency Division Duplexing (FDD, Frequency Division Duplexing) , where U represents an uplink subframe, D represents a downlink subframe, the auxiliary carrier adopts a pure downlink mode, that is, only performs downlink transmission, and D represents a downlink subframe.

FIG. 6 is a flowchart of a carrier aggregation method using an unlicensed frequency band in Embodiment 1 of the present invention, which specifically includes the following steps:

In step 601, the terminal acquires first capability information indicating whether it supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier.

The first capability information may be pre-configured on the terminal when the terminal leaves the factory, and the terminal may obtain it directly.

Step 602, the terminal reports first capability information to the network side.

Since the auxiliary carrier adopts a pure downlink mode, in this step, the terminal uses the main carrier to report the first capability information to the network side.

The first capability information may use 1-bit indication information. For example, when the value of the 1-bit indication information is 1, it indicates support, and when it is 0, it indicates no support.

Step 603: After the network side receives the first capability information, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, prohibit the use of uplink transmission with the primary carrier The downlink subframe of the secondary carrier corresponding to the position communicates with the terminal, that is, no scheduling is performed on the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the main carrier.

For example, as shown in Figure 5B, the uplink transmission position of the main carrier includes uplink subframes U1 and U2 (the uplink subframes represented in the form of gray areas are the uplink transmission positions), and the corresponding downlink subframe D1 of the auxiliary carrier is not allowed Communicate with D2 (the downlink subframes shown in the shaded area are downlink subframes that are not allowed to be used).

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 604, the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side.

Example 2:

In Embodiment 2, as shown in FIG. 7A , in carrier aggregation, the main carrier is a carrier in the licensed frequency band, the secondary carrier is a carrier in the unlicensed frequency band, and the main carrier adopts frequency division duplexing (FDD, Frequency Division Duplexing) , where U represents the uplink subframe, D represents the downlink subframe, and the secondary carrier adopts Time Division Duplexing (TDD, Time DivisionDuplexing), where U represents the uplink subframe, D represents the downlink subframe, S represents the special subframe, and the special subframe The frame includes downlink pilot time slot DwPTS, guard interval GP and uplink pilot time slot UpPTS.

FIG. 8 is a flowchart of a carrier aggregation method using an unlicensed frequency band in Embodiment 2 of the present invention, which specifically includes the following steps:

Step 801, the terminal obtains the first capability information of whether it supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, and whether it supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier Conducted second capability information.

The first capability information and the second capability information may be pre-configured on the terminal when the terminal leaves the factory, and the terminal may obtain it directly.

Step 802, the terminal reports the first capability information and the second capability information to the network side.

Since the secondary carrier adopts TDD, in this step, when the terminal reports the first capability information and the second capability information to the network side, it can use the primary carrier or the secondary carrier. For more reliable reporting, the primary carrier can be preferably used report.

The first capability information and the second capability information can use 2-bit indication information, for example, the indication information of the first bit is used as the first capability information, and when the value of the indication information of the first bit is 1, it indicates support, and it is 0 When the value of the indication information of the second bit is 1, it means support, and when it is 0, it means it does not support.

In Embodiment 2 of the present invention, the terminal can also report only the first capability information to the network side, or only report the second capability information to the network side. When only one kind of capability information is reported, the other kind of capability information can be The default is supported.

Step 803: After the network side receives the first capability information, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, prohibit the use of uplink transmission with the primary carrier The downlink OFDM symbols of the downlink subframe and/or special subframe of the auxiliary carrier corresponding to the position communicate with the terminal, that is, the downlink of the downlink subframe and/or special subframe of the auxiliary carrier corresponding to the uplink transmission position of the main carrier OFDM symbols are not scheduled.

For example, as shown in Figure 7B, if the uplink transmission position of the main carrier includes the uplink subframe U1 (the uplink subframe represented by the gray area is the uplink transmission position), then it is not allowed to use the downlink subframe D1 of the corresponding auxiliary carrier for communication (The downlink subframes represented by the shaded area are downlink subframes that are not allowed to be used).

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 804: After the network side receives the second capability information, when the second capability information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, the use of downlink reception with the primary carrier is prohibited. The uplink OFDM symbols of the uplink subframe and/or special subframe of the auxiliary carrier corresponding to the position communicate with the terminal, that is, the uplink of the uplink subframe and/or special subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier OFDM symbols are not scheduled.

For example, as shown in Figure 7B, the downlink receiving position of the main carrier includes downlink subframes D2 and D3 (the uplink subframe represented by the gray area is the uplink transmitting position), and it is not allowed to use the special subframe of the corresponding auxiliary carrier The uplink pilot time slot UpPTS communicates with the uplink subframe U1 (the downlink subframe represented by the shaded area is a downlink subframe that is not allowed to be used).

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 805, the terminal reports the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side, specifically, the following three methods can be adopted:

The first way: the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side.

The second method: during the communication process between the network side and the terminal, the use of the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is limited, when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier frame, when it is a subframe used to report the ACK/NACK information of the downlink subframe of the auxiliary carrier, the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side, otherwise, the terminal can use the auxiliary carrier to report to the network side ACK/NACK information of the downlink subframe of the secondary carrier.

The third method: during the communication process between the network side and the terminal, the use of the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is limited, when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the frame is the subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, the terminal uses the next available uplink subframe of the secondary carrier and is used for retransmission feedback to report the downlink subframe of the secondary carrier to the network side ACK/NACK information, otherwise, the secondary carrier may be used to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

In the third way above, the terminal can use the next available uplink subframe of the secondary carrier and used for retransmission feedback, and report the ACK/NACK information of the downlink subframe of the secondary carrier and the downlink subframe to the network side in bundling mode. An available uplink subframe used for retransmission feedback originally needs ACK/NACK information to be fed back.

Example 3:

In Embodiment 3, as shown in FIG. 9A , in carrier aggregation, the primary carrier is a carrier in the licensed frequency band, the secondary carrier is a carrier in the unlicensed frequency band, and the primary carrier adopts TDD, where U represents an uplink subframe, and D Indicates downlink subframe, S indicates special subframe, special subframe includes downlink pilot time slot DwPTS, guard interval GP and uplink pilot time slot UpPTS, auxiliary carrier adopts pure downlink mode, that is, only downlink transmission is performed, D indicates downlink subframe frame.

FIG. 10 is a flowchart of a carrier aggregation method using an unlicensed frequency band in Embodiment 3 of the present invention, which specifically includes the following steps:

Step 1001, the terminal acquires first capability information indicating whether it supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier.

The first capability information may be pre-configured on the terminal when the terminal leaves the factory, and the terminal may obtain it directly.

Step 1002, the terminal reports first capability information to the network side.

Since the auxiliary carrier adopts a pure downlink mode, in this step, the terminal uses the main carrier to report the first capability information to the network side.

The first capability information may use 1-bit indication information. For example, when the value of the 1-bit indication information is 1, it indicates support, and when it is 0, it indicates no support.

Step 1003: After the network side receives the first capability information, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, prohibit the use of uplink transmission with the main carrier The downlink subframe of the secondary carrier corresponding to the position communicates with the terminal, that is, no scheduling is performed on the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the main carrier.

Wherein, the uplink transmission position of the main carrier may include the uplink pilot time slot UpPTS of the special subframe.

For example, as shown in Figure 9B, the uplink transmission position of the main carrier includes the uplink pilot time slot UpPTS and U1 of the special subframe (the uplink subframe represented by the gray area is the uplink transmission position), and the corresponding secondary The downlink subframes D2 and D3 of the carrier are used for communication (the downlink subframes shown in the shaded area are downlink subframes that are not allowed to be used).

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 1004, the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side.

Example 4:

In Embodiment 4, as shown in FIG. 11A , in carrier aggregation, the main carrier is a carrier in the licensed frequency band, and the secondary carrier is a carrier in the unlicensed frequency band, and the main carrier adopts TDD, where U represents an uplink subframe, and D Indicates the downlink subframe, S indicates the special subframe, the special subframe includes the downlink pilot time slot DwPTS, the guard interval GP and the uplink pilot time slot UpPTS, the auxiliary carrier adopts TDD, where U indicates the uplink subframe, D indicates the downlink subframe frame, S represents a special subframe, and the special subframe includes a downlink pilot time slot DwPTS, a guard interval GP and an uplink pilot time slot UpPTS.

FIG. 12 is a flowchart of a carrier aggregation method using an unlicensed frequency band in Embodiment 4 of the present invention, which specifically includes the following steps:

Step 1201, the terminal obtains the first capability information of whether it supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, and whether it supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier Conducted second capability information.

The first capability information and the second capability information may be pre-configured on the terminal when the terminal leaves the factory, and the terminal may obtain it directly.

Step 1202, the terminal reports the first capability information and the second capability information to the network side.

Since the secondary carrier adopts TDD, in this step, when the terminal reports the first capability information and the second capability information to the network side, it can use the primary carrier or the secondary carrier. For more reliable reporting, the primary carrier can be preferably used report.

The first capability information and the second capability information can use 2-bit indication information, for example, the indication information of the first bit is used as the first capability information, and when the value of the indication information of the first bit is 1, it indicates support, and it is 0 When the value of the indication information of the second bit is 1, it means support, and when it is 0, it means it does not support.

In Embodiment 2 of the present invention, the terminal can also report only the first capability information to the network side, or only report the second capability information to the network side. When only one kind of capability information is reported, the other kind of capability information can be The default is supported.

Step 1203: After the network side receives the first capability information, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, prohibit the use of uplink transmission with the primary carrier The downlink OFDM symbols of the downlink subframe and/or special subframe of the auxiliary carrier corresponding to the position communicate with the terminal, that is, the downlink of the downlink subframe and/or special subframe of the auxiliary carrier corresponding to the uplink transmission position of the main carrier OFDM symbols are not scheduled.

Wherein, the uplink transmission position of the main carrier may include the uplink pilot time slot UpPTS of the special subframe.

For example, as shown in Figure 11B, the uplink transmission position of the main carrier includes the uplink pilot time slots UpPTS, U1, and U2 of the special subframe (the uplink subframe represented by the gray area is the uplink transmission position), and the corresponding The downlink subframe D2 of the auxiliary carrier is used for communication. In addition, when the time slot resource position of the uplink pilot time slot UpPTS of the special subframe of the main carrier is different from the time slot resource of the downlink pilot time slot DwPTS of the special subframe of the auxiliary carrier When the positions partially overlap, it is also not allowed to use the downlink pilot time slot DwPTS of the special subframe of the corresponding auxiliary carrier (the downlink subframe represented by the shaded area is the downlink subframe that is not allowed to be used) for communication.

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 1204: After the network side receives the second capability information, when the second capability information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, prohibit the use of downlink reception with the primary carrier The uplink OFDM symbols of the uplink subframe and/or special subframe of the auxiliary carrier corresponding to the position communicate with the terminal, that is, the uplink of the uplink subframe and/or special subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier OFDM symbols are not scheduled.

Wherein, the downlink receiving position of the main carrier may include a downlink pilot time slot DwPTS of a special subframe.

For example, as shown in Figure 11B, the downlink receiving position of the main carrier includes the downlink pilot time slot DwPTS of the special subframe (the uplink subframe represented by the gray area is the uplink transmitting position), and the downlink pilot time slot DwPTS of the special subframe of the main carrier When the time slot resource position of the pilot time slot DwPTS partially overlaps with the time slot resource position of the uplink pilot time slot UpPTS of the special subframe of the auxiliary carrier, the uplink pilot time slot in the special subframe of the corresponding auxiliary carrier is not allowed to be used. UpPTS for communication (the downlink subframes shown in the shaded area are downlink subframes that are not allowed to be used).

Specifically, this step can be controlled by the information interaction between the network side and the terminal, and the specific control mechanism can flexibly adopt various mechanisms according to actual needs, and will not be described in detail here.

Step 1205, the terminal reports the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side, specifically, the following three methods can be adopted:

The first way: the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side.

The second method: during the communication process between the network side and the terminal, the use of the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is limited, when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier frame, when it is a subframe used to report the ACK/NACK information of the downlink subframe of the auxiliary carrier, the terminal uses the main carrier to report the ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side, otherwise, the terminal can use the auxiliary carrier to report to the network side ACK/NACK information of the downlink subframe of the secondary carrier.

The third method: during the communication process between the network side and the terminal, the use of the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is limited, when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the frame is the subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, the terminal uses the next available uplink subframe of the secondary carrier and is used for retransmission feedback to report the downlink subframe of the secondary carrier to the network side ACK/NACK information, otherwise, the secondary carrier may be used to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

In the above third way, the terminal can use the next available uplink subframe of the secondary carrier and used for retransmission feedback, and report the ACK/NACK information of the downlink subframe of the secondary carrier and the downlink subframe to the network side in bundling mode. An available uplink subframe used for retransmission feedback originally needs ACK/NACK information to be fed back.

Example 5:

Based on the same inventive concept, according to the carrier aggregation method using the unlicensed frequency band provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 5 of the present invention also provides a carrier aggregation device using the unlicensed frequency band, the structural diagram of which is shown in Figure 13 shown, including:

The first receiving unit 1301 is configured to receive the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, where the primary carrier is a carrier in the licensed frequency band , the secondary carrier is a carrier in the license-free frequency band;

The first control unit 1302 is configured to, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, prohibit using the The downlink subframe of the secondary carrier communicates with the terminal.

Further, the first control unit 1302 is also used to prohibit the use of the downlink OFDM symbols of the special subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier when the secondary carrier adopts the time division duplex TDD mode communicate with the terminal.

Further, the first receiving unit 1301 is further configured to receive second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier;

The first control unit is further configured to prohibit the use of downlink reception with the main carrier when the second capability information indicates that the terminal does not support downlink reception on the main carrier and uplink transmission on the auxiliary carrier at the same time The uplink subframe of the secondary carrier corresponding to the position communicates with the terminal.

Further, the first control unit 1302 is further configured to prohibit using the uplink OFDM symbols of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal when the secondary carrier adopts TDD mode.

Further, the first receiving unit 1301 is further configured to receive acknowledgment/negative acknowledgment ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the primary carrier.

Further, the first receiving unit 1301 is also configured to receive the subframe when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the downlink subframe of the secondary carrier. The ACK/NACK information reported by the terminal using the primary carrier; or

When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, receive the next available and The ACK/NACK information reported in the uplink subframe for retransmission feedback.

Further, the first receiving unit 1301 is specifically configured to receive the next available uplink subframe of the secondary carrier used by the terminal and used for retransmission feedback, the reported ACK/NACK information and the uplink subframe originally required Feedback ACK/NACK information.

Further, the first receiving unit 1301 is specifically configured to receive the first capability information reported by the terminal using the primary carrier indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier; and receiving The second capability information reported by the terminal using the primary carrier indicates whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier.

The functions of the above-mentioned units may correspond to the corresponding processing steps in the above-mentioned method flow, and will not be repeated here.

Embodiment 6:

Based on the same inventive concept, according to the capability information reporting method provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 6 of the present invention also provides a capability information reporting device, which is applied to a terminal, and its structural schematic diagram is shown in FIG. 14 , specifically include:

The first reporting unit 1401 is configured to report to the network side first capability information of whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, where the primary carrier is a carrier in the licensed frequency band, The secondary carrier is a carrier in an unlicensed frequency band.

Further, the first reporting unit 1401 is also configured to report to the network side the second capability information of whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier.

Further, the first reporting unit 1401 is further configured to use the primary carrier to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

Further, the first reporting unit 1401 is also configured to use the primary The carrier reports the ACK/NACK information to the network side; or

When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting the ACK/NACK information of the downlink subframe of the secondary carrier, use the next available secondary carrier for retransmission feedback Report the ACK/NACK information to the network side in the uplink subframe.

Further, the first reporting unit 1401 is specifically configured to use the next available uplink subframe of the secondary carrier and used for retransmission feedback, and report the ACK/NACK information and the uplink subframe that originally needs to be fed back to the network side ACK/NACK information.

Further, the first reporting unit 1401 is specifically configured to use the primary carrier to report the first capability information to the network side; and use the primary carrier to report the second capability information to the network side.

Further, it can also include:

The first acquiring unit 1402 is configured to acquire first capability information and second capability information from pre-configured terminal attribute information.

The functions of the above-mentioned units may correspond to the corresponding processing steps in the process shown in the above-mentioned method, which will not be repeated here.

Embodiment 7:

Based on the same inventive concept, according to the carrier aggregation method using the license-free frequency band provided by the above-mentioned embodiments of the present invention, correspondingly, embodiment 7 of the present invention also provides a carrier aggregation device using the license-free frequency band, the structural diagram of which is shown in Figure 15 shown, including:

The second receiving unit 1501 is configured to receive the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, where the primary carrier is a carrier in the licensed frequency band , the secondary carrier is a carrier in the license-free frequency band;

The second control unit 1502 is configured to, when the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, prohibit using the The uplink subframe of the secondary carrier communicates with the terminal.

Further, the second control unit 1502 is further configured to prohibit using the uplink OFDM symbols of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal when the secondary carrier adopts TDD mode.

Further, the second receiving unit 1501 is further configured to receive acknowledgment/negative acknowledgment ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the primary carrier.

Further, the second receiving unit 1501 is also configured to receive the subframe when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the downlink subframe of the secondary carrier. The ACK/NACK information reported by the terminal using the primary carrier; or

When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, receive the next available and The ACK/NACK information reported in the uplink subframe for retransmission feedback.

Further, the second receiving unit 1501 is specifically configured to receive the next available uplink subframe of the secondary carrier used by the terminal and used for retransmission feedback, the reported ACK/NACK information and the uplink subframe originally required Feedback ACK/NACK information.

Further, the second receiving unit 1501 is specifically configured to receive second capability information reported by the terminal using the primary carrier, indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier.

The functions of the above-mentioned units may correspond to the corresponding processing steps in the process shown in the above-mentioned method, which will not be repeated here.

Embodiment 8:

Based on the same inventive concept, according to the capability information reporting method provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 8 of the present invention also provides a capability information reporting device, which is applied to a terminal, and its structural diagram is shown in FIG. 16 , specifically include:

The second reporting unit 1601 is used to report to the network side the second capability information of whether it supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, wherein the main carrier is a carrier in the licensed frequency band, and the auxiliary carrier It is the carrier of the unlicensed frequency band.

Further, the second reporting unit 1601 is also configured to use the main carrier to report the ACK/NACK information of the downlink subframe of the secondary carrier to the network side.

Further, the second reporting unit 1601 is also configured to use the primary The carrier reports the ACK/NACK information to the network side; or

When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting the ACK/NACK information of the downlink subframe of the secondary carrier, use the next available secondary carrier for retransmission feedback Report the ACK/NACK information to the network side in the uplink subframe.

Further, the second reporting unit 1601 is specifically configured to use the next available uplink subframe of the secondary carrier and used for retransmission feedback to report the ACK/NACK information and the uplink subframe that originally needs to be fed back to the network side ACK/NACK information.

Further, the second reporting unit 1601 is specifically configured to use the primary carrier to report the second capability information to the network side.

Further, it can also include:

The second acquiring unit 1602 is configured to acquire second capability information from pre-configured terminal attribute information.

The functions of the above-mentioned units may correspond to the corresponding processing steps in the process shown in the above-mentioned method, which will not be repeated here.

In summary, the solution provided by the embodiment of the present invention includes: the network side receives the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, wherein, The main carrier is a carrier in the licensed frequency band, and the auxiliary carrier is a carrier in the unlicensed frequency band; and when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, it is prohibited to use the same The downlink subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier communicates with the terminal. By adopting the solution provided by the embodiment of the present invention, the communication performance of using the unlicensed frequency band through carrier aggregation is improved.

The carrier aggregation method device using an unlicensed frequency band and the capability information reporting device provided in the embodiments of the present application can be realized by computer programs. Those skilled in the art should be able to understand that the above-mentioned module division method is only one of many module division methods. If it is divided into other modules or not divided into modules, as long as the carrier aggregation method device using the license-free frequency band and the capability information reporting device have The above-mentioned functions should all be within the protection scope of the present application.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and combinations of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a Means for realizing the functions specified in one or more steps of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart flow or flows and/or block diagram block or blocks.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (30)

1. A carrier aggregation method using an unlicensed frequency band, characterized in that, comprising: The network side receives the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, wherein the main carrier is a carrier in the licensed frequency band, and the auxiliary carrier is license-free The carrier of the frequency band; When the first capability information indicates that the terminal does not support simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, it is forbidden to use the downlink subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier and said terminal communication; receiving second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier; When the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, it is prohibited to use the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier and said terminal communication; receiving acknowledgment character/negative acknowledgment character ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the main carrier; When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, receive the ACK/NACK reported by the terminal using the primary carrier information; or When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, receive the next available and The ACK/NACK information reported in the uplink subframe for retransmission feedback. 2. The method of claim 1, further comprising: When the secondary carrier adopts the time division duplex TDD mode, it is forbidden to use the downlink OFDM symbols of the special subframe of the secondary carrier corresponding to the uplink transmission position of the primary carrier to communicate with the terminal. 3. The method of claim 1, further comprising: When the secondary carrier adopts the time division duplex TDD mode, it is forbidden to use the uplink OFDM symbol of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal. 4. The method according to claim 1, wherein receiving the ACK/NACK information reported by the terminal using the next available uplink subframe of the secondary carrier and used for retransmission feedback specifically includes: receiving the ACK/NACK information reported by the terminal in the next available uplink subframe using the secondary carrier for retransmission feedback, and the ACK/NACK information that originally needs to be fed back in the uplink subframe. 5. The method according to claim 1, wherein the network side receives the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, Specifically: The network side receives the first capability information reported by the terminal using the main carrier, indicating whether the terminal supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier; receiving the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, specifically: receiving second capability information indicating whether the terminal supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier reported by the terminal using the main carrier. 6. A method for reporting capability information, comprising: The terminal reports to the network side the first capability information of whether it supports simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, wherein the main carrier is a carrier in a licensed frequency band, and the auxiliary carrier is a carrier in an unlicensed frequency band; The terminal reports to the network side the second capability information of whether it supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier; so that when the second capability information indicates that the terminal does not support When the downlink reception on the carrier and the uplink transmission on the auxiliary carrier are performed simultaneously, the network side prohibits using the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier to communicate with the terminal; Use the main carrier to report the acknowledgment character/negative acknowledgment character ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side; When the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier is a subframe for reporting ACK/NACK information of the downlink subframe of the auxiliary carrier, use the main carrier to report the ACK/NACK information to the network side; or When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting the ACK/NACK information of the downlink subframe of the secondary carrier, use the next available secondary carrier for retransmission feedback Report the ACK/NACK information to the network side in the uplink subframe. 7. The method according to claim 6, wherein the ACK/NACK information is reported to the network side by using the next available uplink subframe of the secondary carrier and used for retransmission feedback, specifically comprising: The next available uplink subframe of the secondary carrier used for retransmission feedback is used to report the ACK/NACK information and the ACK/NACK information that originally needs to be fed back in the uplink subframe to the network side. 8. The method according to claim 6, wherein the first capability information is reported to the network side, specifically: report the first capability information to the network side by using the main carrier; Reporting the second capability information to the network side, specifically: Reporting the second capability information to the network side by using the primary carrier. 9. A carrier aggregation device using an unlicensed frequency band, characterized in that it comprises: The first receiving unit is configured to receive the first capability information reported by the terminal indicating whether the terminal supports simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, where the primary carrier is a carrier in the licensed frequency band, The secondary carrier is a carrier in the license-free frequency band; The first control unit is configured to, when the first capability information indicates that the terminal does not support simultaneous uplink transmission on the main carrier and downlink reception on the auxiliary carrier, prohibit using the uplink transmission position corresponding to the main carrier The downlink subframe of the secondary carrier communicates with the terminal; The first receiving unit is further configured to receive second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier; The first control unit is further configured to prohibit the use of downlink reception with the main carrier when the second capability information indicates that the terminal does not support downlink reception on the main carrier and uplink transmission on the auxiliary carrier at the same time The uplink subframe or part of OFDM symbols of the secondary carrier corresponding to the position communicates with the terminal; The first receiving unit is further configured to receive the acknowledgment character/negative acknowledgment character ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the primary carrier; when the uplink of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the subframe is the subframe used to report the ACK/NACK information of the downlink subframe of the auxiliary carrier, the ACK/NACK information reported by the terminal using the main carrier is received; or when the auxiliary carrier corresponding to the downlink receiving position of the main carrier When the uplink subframe of the carrier is the subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, receive the information reported by the terminal using the next available uplink subframe of the secondary carrier and used for retransmission feedback The above ACK/NACK information. 10. The device according to claim 9, wherein the first control unit is further configured to prohibit the use of the secondary carrier corresponding to the uplink transmission position of the primary carrier when the secondary carrier adopts a time division duplex TDD mode The downlink OFDM symbols of the special subframe communicate with the terminal. 11. The apparatus of claim 9, further comprising: The first control unit is further configured to prohibit using the uplink OFDM symbols of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal when the secondary carrier adopts the time division duplex TDD mode. 12. The device according to claim 9, wherein the first receiving unit is specifically configured to receive the next available uplink subframe used for retransmission feedback of the auxiliary carrier used by the terminal, and the reported The ACK/NACK information and the ACK/NACK information that originally needs to be fed back in the uplink subframe. 13. The device according to claim 9, wherein the first receiving unit is specifically configured to receive information reported by the terminal using the main carrier indicating whether the terminal supports uplink transmission on the main carrier and whether the terminal supports uplink transmission on the auxiliary carrier receiving the first capability information of simultaneous downlink reception; and receiving the second capability information reported by the terminal using the primary carrier indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier. 14. A device for reporting capability information, applied to a terminal, characterized in that it includes: The first reporting unit is used to report to the network side whether the terminal supports the first capability information of simultaneous uplink transmission on the primary carrier and downlink reception on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier The carrier is a carrier in the license-free frequency band; The first reporting unit is further configured to report to the network side the second capability information of whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier; so that when the second capability When the information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, the network side is prohibited from using the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal ; The first reporting unit is also used to use the main carrier to report the acknowledgment character/negative acknowledgment character ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side; when the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier , when it is a subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, use the primary carrier to report the ACK/NACK information to the network side; or when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the frame is a subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, the next available uplink subframe of the secondary carrier used for retransmission feedback is used to report the ACK/NACK information to the network side. 15. The device according to claim 14, wherein the first reporting unit is specifically configured to use the next available uplink subframe of the secondary carrier and used for retransmission feedback to report the The ACK/NACK information and the ACK/NACK information that originally needs to be fed back for the uplink subframe. 16. The device according to claim 14, wherein the first reporting unit is specifically configured to use a main carrier to report the first capability information to the network side; and use a main carrier to report the first capability information to the network side 2. Capability information. 17. A carrier aggregation method using an unlicensed frequency band, characterized in that it comprises: The network side receives the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, wherein the primary carrier is a carrier in the licensed frequency band, and the secondary carrier is license-free The carrier of the frequency band; When the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, it is prohibited to use the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier and said terminal communication; receiving acknowledgment character/negative acknowledgment character ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the main carrier; When the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, receive the ACK/NACK reported by the terminal using the primary carrier information; or when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is the subframe used to report the ACK/NACK information of the secondary carrier downlink subframe, receive the next available subcarrier used by the terminal The ACK/NACK information reported in the uplink subframe used for retransmission feedback. 18. The method of claim 17, further comprising: When the secondary carrier adopts the time division duplex TDD mode, it is forbidden to use the uplink OFDM symbol of the special subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier to communicate with the terminal. 19. The method according to claim 17, wherein receiving the ACK/NACK information reported by the terminal using the secondary carrier's next available uplink subframe and used for retransmission feedback specifically includes: receiving the ACK/NACK information reported by the terminal in the next available uplink subframe using the secondary carrier for retransmission feedback, and the ACK/NACK information that originally needs to be fed back in the uplink subframe. 20. The method according to claim 17, wherein the network side receives the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, Specifically: The network side receives the second capability information reported by the terminal using the primary carrier, indicating whether the terminal supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier. 21. A method for reporting capability information, comprising: The terminal reports to the network side the second capability information of whether it supports simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, where the primary carrier is a carrier in a licensed frequency band, and the secondary carrier is a carrier in an unlicensed frequency band; so that when the second capability information indicates that the terminal does not support simultaneous downlink reception on the primary carrier and uplink transmission on the secondary carrier, the network side prohibits the use of the secondary carrier corresponding to the downlink receiving position of the primary carrier communicating with the terminal in the uplink subframe; Use the main carrier to report the acknowledgment character/negative acknowledgment character ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side; When the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier is a subframe for reporting ACK/NACK information of the downlink subframe of the auxiliary carrier, use the main carrier to report the ACK/NACK information to the network side; Or when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier is a subframe for reporting ACK/NACK information of the secondary carrier downlink subframe, use the next available secondary carrier for retransmission The fed back uplink subframe reports the ACK/NACK information to the network side. 22. The method according to claim 21, characterized in that reporting the ACK/NACK information to the network side using the next available uplink subframe of the secondary carrier used for retransmission feedback, specifically comprising: The next available uplink subframe of the secondary carrier used for retransmission feedback is used to report the ACK/NACK information and the ACK/NACK information that originally needs to be fed back in the uplink subframe to the network side. 23. The method of claim 21, wherein, Reporting the second capability information to the network side, specifically: Reporting the second capability information to the network side by using the primary carrier. 24. A carrier aggregation device using an unlicensed frequency band, characterized by comprising: The second receiving unit is configured to receive the second capability information reported by the terminal indicating whether the terminal supports simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, where the main carrier is a carrier in the licensed frequency band, The secondary carrier is a carrier in the license-free frequency band; The second control unit is configured to, when the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, prohibit using the downlink receiving position corresponding to the main carrier The uplink subframe of the secondary carrier communicates with the terminal; The second receiving unit is also used to receive the acknowledgment character/negative acknowledgment character ACK/NACK information of the secondary carrier downlink subframe reported by the terminal using the primary carrier; when the uplink of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the subframe is the subframe used to report the ACK/NACK information of the downlink subframe of the auxiliary carrier, the ACK/NACK information reported by the terminal using the main carrier is received; or when the auxiliary carrier corresponding to the downlink receiving position of the main carrier When the uplink subframe of the carrier is the subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, receive the information reported by the terminal using the next available uplink subframe of the secondary carrier and used for retransmission feedback The above ACK/NACK information. 25. The device according to claim 24, wherein the second control unit is further configured to prohibit the use of the secondary carrier corresponding to the downlink receiving position of the primary carrier when the secondary carrier adopts a time division duplex TDD mode The uplink OFDM symbols of the special subframe communicate with the terminal. 26. The device according to claim 24, wherein the second receiving unit is specifically configured to receive the next available uplink subframe of the secondary carrier used by the terminal and used for retransmission feedback, reported The ACK/NACK information and the ACK/NACK information that originally needs to be fed back in the uplink subframe. 27. The device according to claim 24, wherein the second receiving unit is specifically configured to receive information reported by the terminal using the primary carrier indicating whether the terminal supports downlink reception on the primary carrier and whether the terminal supports downlink reception on the secondary carrier The second capability information that the uplink transmission is performed at the same time. 28. A device for reporting capability information, applied to a terminal, comprising: The second reporting unit is used to report to the network side the second capability information of whether it supports downlink reception on the main carrier and uplink transmission on the auxiliary carrier simultaneously, wherein the main carrier is a carrier in the authorized frequency band, and the auxiliary carrier is A carrier in an unlicensed frequency band; so that when the second capability information indicates that the terminal does not support simultaneous downlink reception on the main carrier and uplink transmission on the auxiliary carrier, the network side prohibits the use of downlink reception with the main carrier The uplink subframe of the secondary carrier corresponding to the position communicates with the terminal; The second reporting unit is also used to use the main carrier to report the confirmation character/negative acknowledgment character ACK/NACK information of the downlink subframe of the auxiliary carrier to the network side; when the uplink subframe of the auxiliary carrier corresponding to the downlink receiving position of the main carrier , when it is a subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, use the primary carrier to report the ACK/NACK information to the network side; or when the uplink subframe of the secondary carrier corresponding to the downlink receiving position of the primary carrier When the frame is a subframe used to report the ACK/NACK information of the downlink subframe of the secondary carrier, the next available uplink subframe of the secondary carrier used for retransmission feedback is used to report the ACK/NACK information to the network side. 29. The device according to claim 28, wherein the second reporting unit is specifically configured to use the next available uplink subframe of the secondary carrier and used for retransmission feedback to report the information to the network side The above ACK/NACK information and the ACK/NACK information that originally needs to be fed back in the uplink subframe. 30. The device according to claim 28, wherein the second reporting unit is specifically configured to report the second capability information to the network side by using a main carrier.