Method for transmitting uplink control information, UE and base station

1. A User Equipment (UE), comprising:

a processor and a memory coupled to the processor that stores a plurality of instructions;

the processor is configured to execute the instructions to:

map uplink control information (UCI) onto time-frequency resources; wherein when one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal the UCI is close to the one time-domain symbol or wherein when a subframe where the UCI is located carries no uplink reference signal the UCI is close to the closet uplink reference signal located on another subframe; and

transmit the UCI to a base station via a physical uplink shared channel (PUSCH) wherein the UCI comprises at least a first type and a second type, and wherein the processor is further configured to execute instructions to map the first type of UCI onto time-domain symbols in a mapping manner of frequency domain first.

2. The UE according to claim 1 , wherein the first type and the second type of UCI are at least one of Acknowledge/Non-Acknowledge (ACK/NACK) and Channel State Information (CSI).

3. The UE according to claim 2 , wherein the UCI comprises a third type of UCI.

4. The UE according to claim 3 , wherein the first type of UCI is ACK/NACK feedback information in a hybrid repeat mechanism, the second type of UCI is first CSI, and the third type of UCI is second CSI.

5. The UE according to claim 4 , wherein the first CSI is rank indication (RI) information, the second CSI is channel quality information (CQI) or precoding matrix information (PMI).

6. The UE according to claim 4 , wherein the processor is further configured to execute instructions to map the third type of UCI onto K OFDM symbols close to the uplink reference signal, and

where, K is greater than or equal to 1, and is less than the number of OFDM symbols contained in one subframe.

7. The UE according to claim 1 , wherein the processor is further configured to execute instructions to map a third UCI onto K OFDM symbols close to the uplink reference signal

where, K is greater than or equal to 1, and is less than the number of OFDM symbols contained in one subframe.

8. The UE according to claim 1 , wherein the processor is further configured to execute instructions to:

calculate assumed OFDM symbols needing to be occupied by the first type of UCI;

and start to map the second type of UCI on the OFDM symbols close to the first type of UCI, according to the assumed OFDM symbols needing to be occupied by the first type of UCI.

9. The UE according to claim 1 , wherein the processor is further configured to execute instructions to:

calculate assumed OFDM symbols and subcarriers needing to be occupied by the first type of UCI; and

start to map the second type of UCI on the OFDM symbols where the first type of UCI exists and on the subcarriers close to the subcarriers needing to be occupied by the first type of UCI, according to the assumed OFDM symbols and subcarriers needing to be occupied by the first type of UCI.

10. The UE according to claim 1 , wherein the subframe comprises 14 Orthogonal Frequency Division Multiplexing (OFDM) symbols or 14 Single-Carrier Frequency Division Multiplexing Access (SC-FDMA) symbols.

11. The UE according to claim 1 , wherein the uplink reference signal is carried in a fourth OFDM symbol of the subframe.

12. A User Equipment (UE) comprising:

a memory that stores a plurality of instructions;

a processor coupled to the memory and configured to execute the instructions to:

map uplink control information (UCI) onto time-frequency resources wherein one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal or a subframe where the UCI is located carries no uplink reference signal; and

transmit the UCI to a base station via a physical uplink shared channel (PUSCH)

wherein the processor is further configured to execute instructions to map a first UCI onto Orthogonal Frequency Division Multiplexing (OFDM) symbols, in a mapping manner of time domain first, and

wherein when the subframe where the UCI is located contains one uplink reference signal, the OFDM symbols are close to the uplink reference signal, or when a subframe where the UCI is located contains no uplink reference signal, the OFDM symbols are close to the closest uplink reference signal located on another subframe.

13. The UE according to claim 12 , wherein the processor is further configured to execute instructions to map a second UCI onto OFDM symbols close to the first UCI.

14. The UE according to claim 13 , wherein the OFDM symbols needing to be occupied by the first UCI are configured by a high layer, and

the OFDM symbols needing to be occupied by the second UCI are configured by a high layer.

15. The UE according to claim 12 , wherein the processor is further configured to execute instructions to:

calculate assumed OFDM symbols needing to be occupied by the first UCI; and

start to map the second UCI on the OFDM symbols close to the first UCI, according to the assumed OFDM symbols needing to be occupied by the first UCI.

16. The UE according to claim 12 , wherein the processor is further configured to execute instructions to:

calculate assumed OFDM symbols and subcarriers needing to be occupied by the first UCI; and

start to map the second UCI on the OFDM symbols where the first UCI exists and the subcarriers neighboring the subcarriers needing to be occupied by the first UCI, according to the assumed OFDM symbols and subcarriers needing to be occupied by the first UCI.

17. The UE according to claim 12 , wherein the OFDM symbols needing to be occupied by a second UCI are configured by a high layer.

18. A base station, comprising:

a processor and a memory coupled to the processor that stores a plurality of instructions;

the processor configured to execute the instructions to:

receive uplink control information (UCI) transmitted by a User Equipment (UE) via a Physical Uplink Shared Channel (PUSCH) PUSCH; wherein one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal or the subframe where the UCI is located carries no uplink reference signal; and

demodulate the PUSCH to obtain the UCI;

wherein a first UCI is mapped onto Orthogonal Frequency Division Multiplexing (OFDM) symbols in a mapping manner of frequency domain first,

wherein when the subframe where the UCI is located contains one uplink reference signal, the OFDM symbols are close to the uplink reference signal, or when a subframe where the UCI is located contains no uplink reference signal, the OFDM symbols are close to the closest uplink reference signal located on another subframe.

19. The base station according to claim 18 , wherein the UCI comprises at least one of the first UCI, second UCI and third UCI.

20. The base station according to claim 19 , wherein the first UCI is Acknowledge/Non-Acknowledge (ACK/NACK) feedback information in a hybrid repeat mechanism, the second UCI is first channel state information (CSI), and the third UCI is second CSI.

21. A communication system, comprising:

a User Equipment (UE), configured to:

map uplink control information (UCI) onto time-frequency resources; wherein one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal or the subframe where the UCI is located carries no uplink reference signal; and

transmit the UCI to a base station via a Physical Uplink Shared Channel (PUSCH), wherein a first UCI is mapped onto Orthogonal Frequency Division Multiplexing (OFDM) symbols in a mapping manner of frequency domain first, wherein when the subframe where the UCI is located contains one uplink reference signal, the OFDM symbols are close to the uplink reference signal, or when a subframe where the UCI is located contains no uplink reference signal, the OFDM symbols are close to the closest uplink reference signal located on another subframe; and

the base station, configured to receive the PUSCH and demodulate the PUSCH to obtain the UCI.

22. A base station, comprising:

a memory stores a plurality of instructions;

a processor coupled to the memory and configured to execute the instructions to:

receive uplink control information (UCI) transmitted by a User Equipment (UE) via a Physical Uplink Shared Channel (PUSCH); wherein one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal or the subframe where the UCI is located carries no uplink reference signal; and

demodulate the PUSCH to obtain the UCI wherein a first UCI is mapped onto Orthogonal Frequency Division Multiplexing (OFDM) symbols in a mapping manner of time domain first, and

wherein when the subframe where the UCI is located contains one uplink reference signal, the OFDM symbols are close to the uplink reference signal, or when a subframe where the UCI is located contains no uplink reference signal, the OFDM symbols are close to the closest uplink reference signal located on another subframe.

23. A communication system, comprising:

a User Equipment (UE), configured to:

map uplink control information (UCI) onto time-frequency resources; wherein one time-domain symbol of a subframe where the UCI is located carries an uplink reference signal or the subframe where the UCI is located carries no uplink reference signal, and

transmit the UCI to a base station via a Physical Uplink Shared Channel (PUSCH), wherein a first UCI is mapped onto Orthogonal Frequency Division Multiplexing (OFDM) symbols in a mapping manner of time domain first, wherein when the subframe where the UCI is located contains one uplink reference signal, the OFDM symbols are close to the uplink reference signal, or when a subframe where the UCI is located contains no uplink reference signal, the OFDM symbols are close to the closest uplink reference signal located on another subframe; and

the base station, is configured to receive the PUSCH and demodulate the PUSCH to obtain the UCI.