Abstract
Disclosed is a method and an apparatus for multiplexing and transmitting data and uplink control information, and receiving the data and control information in a wireless communication system. In the system multiplexing an uplink packet data channel and a control channel, a transport format of the control channel for transmission of the control information is changed according to the transport format of the data channel. The disclosed method and apparatus can control the quantity of resources for the control channel in the case of transmitting high speed data, and thus can the efficiency of the data channel resources.
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4G | 18/03/2022 | ISLD-202203-191 | HUAWEI |
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Claim
1. A method for transmitting data and control information performed by a user equipment, the method comprising:
receiving, a modulation and coding scheme (MCS) level indicating a modulation scheme; determining a quantity of symbols for coded control information; determining, a quantity of symbols for coded data based on the quantity of symbols for the coded control information; generating the coded control information and the coded data; modulating the coded control information and the coded data by the modulation scheme; and transmitting the modulated coded control information and the coded data on a channel.
2. The method of claim 1, wherein the quantity of symbols for the coded control information is S, and determining the quantity of symbols for the coded data based on the quantity of symbols for the coded control information comprises:
obtaining a quantity P of symbols for the code data by subtracting the quantity S of symbols for coded control information from a quantity M of symbols for the coded data and the coded control information.
3. The method of claim 1, wherein the control information comprises acknowledge/non-acknowledge (ACK/NACK) information or a channel quality indicator (CQI).
4. The method of claim 1, wherein determining the quantity of symbols for the coded control information comprises determining the quantity of symbols for coded control information based on a size of a transport block for the data.
5. The method of claim 1, further comprising:
performing fast Fourier transform (FFT) and performing inverse FFT (IFFT) to the modulated coded control information and coded data.
6. An apparatus for transmitting data and control information, the apparatus comprising:
a controller configure to receive a modulation and coding scheme (MCS) level indicating a modulation scheme;
determine a quantity of symbols for coded control information;
determine a quantity of symbols for coded data based on the quantity of symbols for the coded control information;
generate the coded control information and the coded data;
modulate the coded control information and the coded data by the modulation scheme; and
a transmitter configured to transmit the modulated coded control information and the coded data on a channel.
7. The apparatus of claim 6, wherein the quantity of symbols for the coded control information is S, and the controller is configured to subtract a quantity S of symbols for coded control information from a quantity M of symbols to obtain a quantity P of symbols for the coded data, wherein M is a quantity of symbols for the coded data and the coded control information.
8. The apparatus of claim 6, the control information comprises acknowledge/non-acknowledge (ACK/NACK) information or a channel quality indicator (CQI).
9. The apparatus of claim 6, wherein the controller is configure to determine the quantity of symbols for coded control information based on a size of a transport block for the coded data.
10. The apparatus of claim 8, wherein the controller is further configured to perform fast Fourier transform (FFT) and perform inverse FFT (IFFT) to the modulated coded control information and coded data.
11. A method for receiving data and control information, the method comprising:
sending, by a network device, a modulation and coding scheme (MCS) level indicating a modulation scheme; receiving, by the network device, coded control information and coded data on a channel; determining, by the network device, a quantity of symbols for coded control information; determining, by the network device, a quantity of symbols for coded data based on the quantity of symbols for the coded control information; and demodulating, by the network device, the coded control information and the coded data by the modulation scheme.
12. The method of claim 11, wherein the quantity of symbols for the coded control information is S, and determining the quantity of symbols for the coded data based on the quantity of symbols for the coded control information comprises:
obtaining a quantity P of symbols for the code data by subtracting the quantity S of symbols for coded control information from a quantity M of symbols for the coded data and the coded control information.
13. The method of claim 11, wherein the control information comprises acknowledge/non-acknowledge (ACK/NACK) information or a channel quality indicator (CQI).
14. The method of claim 11, wherein determining the quantity of symbols for the coded control information comprises determining the quantity of symbols for coded control information based on a size of a transport block for the coded data.
15. The method of claim 11, further comprising:
performing fast Fourier transform (FFT) and performing inverse FFT (IFFT) to the received coded control information and coded data.
16. An apparatus for receiving data and control information, the apparatus comprising:
a controller configure to send a modulation and coding scheme (MCS) level indicating a modulation scheme; a receiver configured to receive coded control information and coded data on a channel; and the controller further configure to
determine a quantity of symbols for coded control information;
determine a quantity of symbols for coded data based on the quantity of symbols for the coded control information; and
demodulate the coded control information and the coded data by the modulation scheme.
17. The apparatus of claim 16, wherein the quantity of symbols for the coded control information is S, and the controller is configured to subtract a quantity S of symbols for coded control information from a quantity M of symbols to obtain a quantity P of symbols for the code data, wherein M is a quantity of symbols for the coded data and the coded control information.
18. The apparatus of claim 16, wherein the control information comprises acknowledge/non-acknowledge (ACK/NACK) information or a channel quality indicator (CQI).
19. The apparatus of claim 16, the controller is configured to determine the quantity of symbols for coded control information based on a size of a transport block for the coded data.
20. The apparatus of claim 16, wherein the controller is further configured to perform fast Fourier transform (FFT) and performing inverse FFT (IFFT) to the received coded control information and coded data.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.