Communication method, base station, and user equipment

1. A communication method, comprising:

determining a correspondence between Y uplink subframes and X downlink subframes, wherein the Y uplink subframes are configured for transmission of hybrid automatic repeat request (HARD) information corresponding to the X downlink subframes, at least one uplink subframe of the Y uplink subframes is an uplink subframe on a frequency division duplex (FDD) carrier, the X downlink subframes are downlink subframes in one radio frame on a time division duplex (TDD) carrier, and both X and Y are positive integers; and

communicating with user equipment (UE) according to the correspondence,

wherein the Y uplink subframes comprise a first-type uplink subframe and a second-type uplink subframe, the first-type uplink subframe is an uplink subframe on the FDD carrier, the second-type uplink subframe is an uplink subframe on the TDD carrier, and when a UL/DL configuration mode of the radio frame is any one of the following UL/DL configuration modes, the correspondence between the Y uplink subframes and the X downlink subframes is as follows:

UL/DL

configuration

Uplink subframe n

mode

0

1

2

3

4

5

6

7

8

9

0

4,F

4

4,F

4

1

4,F

4

4,F

4,F

4

4,F

2

4,F

4

4,F

4,F

4,F

4

4,F

4,F

3

4,F

4,F

4

4

4

4,F

4,F

4

4,F

4,F

4

4

4,F

4,F

4,F

4,F

5

4,F

4,F

4

4,F

4,F

4,F

4,F

4,F

4,F

6

4,F

4

4

4,F

4,F

wherein an uplink subframe n corresponding to “4,F” belongs to the first-type uplink subframe, “4,F” indicates that a downlink subframe corresponding to the uplink subframe n is a fourth subframe prior to a subframe n on the TDD carrier, an uplink subframe n corresponding to “4” belongs to the second-type uplink subframe, “4” indicates that a downlink subframe corresponding to the uplink subframe n is the fourth subframe prior to a subframe n on the TDD carrier, and n is any element in a set {0,1,2,3,4,5,6,7,8,9}.

2. The method according to claim 1 , further comprising:

determining resource parameters corresponding to the Y uplink subframes, wherein a resource parameter corresponding to a y th uplink subframe of the Y uplink subframes indicates a start position of a resource in the y th uplink subframe and is for transmitting HARQ information, wherein y is a positive integer with a value ranging from 1 to Y; and

sending signaling to the UE, wherein the signaling comprises the resource parameters corresponding to the Y uplink subframes.

3. The method according to claim 2 , wherein:

determining resource parameters corresponding to the Y uplink subframes comprises:

determining a resource parameter corresponding to the first-type uplink subframe, and determining a resource parameter corresponding to the second-type uplink subframe.

4. The method according to claim 2 , further comprising:

determining, according to the following equation, a position of a resource in the y th uplink subframe, the resource for transmitting HARQ information:

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +N PUCCH-subframe(y) (1) , or

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +1+ N PUCCH-subframe(y) (1) ,

wherein n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) represents the position of the resource that is in the y th uplink subframe and for transmitting HARQ information, N PUCCH-subframe(y) (1) represents the resource parameter corresponding to the y th uplink subframe, and n CCE represents a number of a first control channel element (CCE) in a resource occupied by downlink control information for scheduling the UE.

5. A communication method, comprising:

determining a correspondence between Y uplink subframes and X downlink subframes, wherein the Y uplink subframes are configured for transmission of hybrid automatic repeat request (HARQ) information corresponding to the X downlink subframes, at least one uplink subframe of the Y uplink subframes is an uplink subframe on a frequency division duplex (FDD) carrier, the X downlink subframes are downlink subframes in one radio frame on a time division duplex (TDD) carrier, and both X and Y are positive integers; and

communicating with a base station according to the correspondence,

wherein the Y uplink subframes comprise a first-type uplink subframe and a second-type uplink subframe, the first-type uplink subframe is an uplink subframe on the FDD carrier, the second-type uplink subframe is an uplink subframe on the TDD carrier, and when a UL/DL configuration mode of the radio frame is any one of the following UL/DL configuration modes, the correspondence between the Y uplink subframes and the X downlink subframes is as follows:

UL/DL

configuration

Uplink subframe n

mode

0

1

2

3

4

5

6

7

8

9

0

4,F

4

4,F

4

1

4,F

4

4,F

4,F

4

4,F

2

4,F

4

4,F

4,F

4,F

4

4,F

4,F

3

4,F

4,F

4

4

4

4,F

4,F

4

4,F

4,F

4

4

4,F

4,F

4,F

4,F

5

4,F

4,F

4

4,F

4,F

4,F

4,F

4,F

4,F

6

4,F

4

4

4,F

4,F

wherein an uplink subframe n corresponding to “4,F” belongs to the first-type uplink subframe, “4,F” indicates that a downlink subframe corresponding to the uplink subframe n is a fourth subframe prior to a subframe n on the TDD carrier, an uplink subframe n corresponding to “4” belongs to the second-type uplink subframe, “4” indicates that a downlink subframe corresponding to the uplink subframe n is the fourth subframe prior to a subframe n on the TDD carrier, and n is any element in a set {0,1,2,3,4,5,6,7,8,9}.

6. The method according to claim 5 , further comprising:

receiving signaling from the base station, wherein the signaling comprises resource parameters corresponding to the Y uplink subframes, and a resource parameter corresponding to a y th uplink subframe of the Y uplink subframes indicates a start position of a resource in the y th uplink subframe and is for transmitting HARQ information, wherein y is a positive integer with a value ranging from 1 to Y; and

communicating with a base station according to the correspondence comprises:

communicating with the base station according to the correspondence and the resource parameters corresponding to the Y uplink subframes.

7. The method according to claim 6 , further comprising:

determining, according to the following equation, a position of a resource in the y th uplink subframe, the resource for transmitting HARQ information:

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +N PUCCH-subframe(y) (1) , or

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +1+ N PUCCH-subframe(y) (1) ,

wherein n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) represents the position of the resource that is in the y th uplink subframe and for transmitting HARQ information, N PUCCH-subframe(y) (1) represents the resource parameter corresponding to the y th uplink subframe, and n CCE represents a number of a first control channel element (CCE) in a resource occupied by downlink control information for scheduling.

8. A device, comprising:

a processor, configured to determine a correspondence between Y uplink subframes and X downlink subframes, wherein the Y uplink subframes are configured for transmission of hybrid automatic repeat request (HARQ) information corresponding to the X downlink subframes, at least one uplink subframe of the Y uplink subframes is an uplink subframe on a frequency division duplex (FDD) carrier, the X downlink subframes are downlink subframes in one radio frame on a time division duplex (TDD) carrier, and both X and Y are positive integers; and

a transceiver, configured to communicate with a base station according to the correspondence,

wherein the Y uplink subframes comprise a first-type uplink subframe and a second-type uplink subframe, the first-type uplink subframe is an uplink subframe on the FDD carrier, the second-type uplink subframe is an uplink subframe on the TDD carrier, and when a UL/DL configuration mode of the radio frame is any one of the following UL/DL configuration modes, the correspondence between the Y uplink subframes and the X downlink subframes is as follows:

UL/DL

configuration

Uplink subframe n

mode

0

1

2

3

4

5

6

7

8

9

0

4,F

4

4,F

4

1

4,F

4

4,F

4,F

4

4,F

2

4,F

4

4,F

4,F

4,F

4

4,F

4,F

3

4,F

4,F

4

4

4

4,F

4,F

4

4,F

4,F

4

4

4,F

4,F

4,F

4,F

5

4,F

4,F

4

4,F

4,F

4,F

4,F

4,F

4,F

6

4,F

4

4

4,F

4,F

wherein an uplink subframe n corresponding to “4,F” belongs to the first-type uplink subframe, “4,F” indicates that a downlink subframe corresponding to the uplink subframe n is a fourth subframe prior to a subframe n on the TDD carrier, an uplink subframe n corresponding to “4” belongs to the second-type uplink subframe, “4” indicates that a downlink subframe corresponding to the uplink subframe n is the fourth subframe prior to a subframe n on the TDD carrier, and n is any element in a set {0,1,2,3,4,5,6,7,8,9}.

9. The device according to claim 8 , wherein the transceiver is further configured to:

receive signaling from the base station, wherein the signaling comprises resource parameters corresponding to the Y uplink subframes, and a resource parameter corresponding to a y th uplink subframe of the Y uplink subframes indicates a start position of a resource in the y th uplink subframe and is for transmitting HARQ information, wherein y is a positive integer with a value ranging from 1 to Y; and

communicate with the base station according to the correspondence and the resource parameters corresponding to the Y uplink subframes.

10. The device according to claim 9 , wherein the processor is further configured to determine, according to the following equation, a position of a resource in the y th uplink subframe, the resource for transmitting HARQ information:

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +N PUCCH-subframe(y) (1) , or

n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) =n CCE +1+ N PUCCH-subframe(y) (1) ,

wherein n PUCCH-subframe(y) (1,{tilde over (p)} 0 ) represents the position of the resource that is in the y th uplink subframe and for transmitting HARQ information, n PUCCH-subframe(y) (1) represents the resource parameter corresponding to the y th uplink subframe, and n CCE represents a number of a first control channel element (CCE) in a resource occupied by downlink control information for scheduling.