Device and method of handling parameter configurations

1. A network for handling parameter configurations, comprising:

a storage device; and

a processing circuit, coupled to the storage device, wherein the storage device stores, and the processing circuit is configured to execute instructions of:

determining a subset of parameter configurations;

transmitting information of the subset of parameter configurations to a communication device via a higher layer signaling;

selecting at least one parameter configuration from the subset of parameter configurations, wherein the at least one parameter configuration corresponds to at least one communication device, respectively;

transmitting information of the at least one parameter configuration to the communication device via a physical layer signaling;

transmitting a signal to the communication device via a resource according to a transmission scheme and a parameter configuration of the communication device; and

transmitting at least one signal to the at least one communication device via the resource according to the transmission scheme and the at least one parameter configuration;

wherein the transmission scheme and the at least one parameter configuration are for the communication device to perform an interference cancellation on the signal;

wherein the transmission scheme comprises a non-orthogonal multiple access (NOMA) scheme.

2. The network of claim 1 , wherein each of the subset of parameter configurations comprises a modulation and coding scheme (MCS) and/or a precoding matrix index (PMI).

3. The network of claim 1 , wherein the transmission scheme comprises a multi-user superposition transmission (MUST) scheme or a multi-user multi-input multi-output (MU-MIMO) scheme.

4. The network of claim 1 , wherein the information of the at least one parameter configuration is represented by at least one bit or a bitmap.

5. The network of claim 4 , wherein a length of the bitmap is determined according to a size of the subset of parameter configurations.

6. The network of claim 1 , wherein the resource comprises a time resource and/or a frequency resource.

7. A communication device for handling parameter configurations, comprising:

a storage device; and

a processing circuit, coupled to the storage device, wherein the storage device stores, and the processing circuit is configured to execute instructions of:

receiving information of a subset of parameter configurations transmitted by a network via a higher layer signaling;

receiving information for selecting at least one parameter configuration from the subset of parameter configurations transmitted by the network via a physical layer signaling;

receiving a signal transmitted by the network via a resource according to a transmission scheme, a parameter configuration of the communication device and the at least one parameter configuration; and

perform an interference cancellation on the signal according to the transmission scheme and the at least one parameter configuration;

wherein the transmission scheme comprises a non-orthogonal multiple access (NOMA) scheme.

8. The communication device of claim 7 , wherein each of the subset of parameter configurations comprises a modulation and coding scheme (MCS) and/or a precoding matrix index (PMI).

9. The communication device of claim 7 , wherein the transmission scheme comprises a multi-user superposition transmission (MUST) scheme or a multi-user multi-input multi-output (MU-MIMO) scheme.

10. The communication device of claim 7 , wherein the information of the at least one parameter configuration is represented by at least one bit or a bitmap.

11. The communication device of claim 10 , wherein a length of the bitmap is determined according to a size of the subset of parameter configurations.

12. The communication device of claim 7 , wherein the resource comprises a time resource and/or a frequency resource.

13. The communication device of claim 7 , wherein the instruction of receiving the signal transmitted by the network via the resource according to the transmission scheme, the parameter configuration of the communication device and the at least one parameter configuration comprises:

receiving the signal transmitted by the network via the resource;

performing a signal processing operation on the signal according to the transmission scheme and the at least one parameter configuration, to obtain a processed signal; and

detecting the processed signal according to the transmission scheme and the parameter configuration of the communication device.

14. The communication device of claim 13 , wherein the signal processing operation comprises a successive interference cancellation (SIC), a symbol-level interference cancellation, a codeword-level interference cancellation, a maximum-likelihood detection, a reduced-complexity maximum-likelihood detection, or a sphere coding.

15. The communication device of claim 13 , wherein the at least one parameter configuration corresponds to at least one communication device, respectively.

16. The communication device of claim 15 , wherein the at least one communication device receives at least one signal transmitted by the network via the resource according to the transmission scheme and the at least one parameter configuration.

17. A network for handling parameter configurations, comprising:

a storage device; and

a processing circuit, coupled to the storage device, wherein the storage device stores, and the processing circuit is configured to execute instructions of:

determining a subset of parameter configuration sets;

transmitting information of the subset of parameter configuration sets to a communication device via a higher layer signaling;

selecting at least one parameter configuration set from the subset of parameter configuration sets, wherein at least one parameter configuration of the at least one parameter configuration set corresponds to at least one communication device, respectively;

transmitting information of the at least one parameter configuration set to the communication device via a physical layer signaling;

transmitting a signal to the communication device via a resource according to a transmission scheme and a parameter configuration of the communication device; and

transmitting at least one signal to the at least one communication device via the resource according to the transmission scheme and the at least one parameter configuration;

wherein the transmission scheme and the at least one parameter configuration set are for the communication device to perform an interference cancellation on the signal;

wherein the transmission scheme comprises a non-orthogonal multiple access (NOMA) scheme.

18. The network of claim 17 , wherein each parameter configuration of the subset of parameter configuration sets comprises a modulation and coding scheme (MCS) and/or a precoding matrix index (PMI).

19. The network of claim 17 , wherein the transmission scheme comprises a multi-user superposition transmission (MUST) scheme or a multi-user multi-input multi-output (MU-MIMO) scheme.

20. The network of claim 17 , wherein the information of the at least one parameter configuration set is represented by at least one bit or a bitmap.

21. The network of claim 20 , wherein a length of the bitmap is determined according to a size of the subset of parameter configuration sets.

22. The network of claim 17 , wherein the resource comprises a time resource and/or a frequency resource.

23. A communication device for handling parameter configurations, comprising:

a storage device; and

a processing circuit, coupled to the storage device, wherein the storage device stores, and the processing circuit is configured to execute instructions of:

receiving information of a subset of parameter configuration sets transmitted by a network via a higher layer signaling;

receiving information for selecting at least one parameter configuration set from the subset of parameter configuration sets transmitted by the network via a physical layer signaling;

receiving a signal transmitted by the network via a resource according to a transmission scheme, a parameter configuration of the communication device and the at least one parameter configuration set; and

perform an interference cancellation on the signal according to the transmission scheme and the at least one parameter configuration set;

wherein the transmission scheme comprises a non-orthogonal multiple access (NOMA) scheme.

24. The communication device of claim 23 , wherein each parameter configuration of the subset of parameter configuration sets comprises a modulation and coding scheme (MCS) and/or a precoding matrix index (PMI).

25. The communication device of claim 23 , wherein the transmission scheme comprises, a multi-user superposition transmission (MUST) scheme or a multi-user multi-input multi-output (MU-MIMO) scheme.

26. The communication device of claim 23 , wherein the information of the at least one parameter configuration set is represented by at least one bit or a bitmap.

27. The communication device of claim 26 , wherein a length of the bitmap is determined according to a size of the subset of parameter configuration sets.

28. The communication device of claim 23 , wherein the resource comprises a time resource and/or a frequency resource.

29. The communication device of claim 23 , wherein the instruction of receiving the signal transmitted by the network via the resource according to the transmission scheme, the parameter configuration of the communication device and the at least one parameter configuration set comprises:

receiving the signal transmitted by the network via the resource;

performing a blind detection on the at least one parameter configuration set, to select at least one parameter configuration from the at least one parameter configuration set;

performing a signal processing operation on the signal according to the transmission scheme and the at least one parameter configuration, to obtain a processed signal; and

detecting the processed signal according to the transmission scheme and the parameter configuration of the communication device.

30. The communication device of claim 29 , wherein the signal processing operation comprises a successive interference cancellation (SIC), a symbol-level interference cancellation, a codeword-level interference cancellation, a maximum-likelihood detection, a reduced-complexity maximum-likelihood detection, or a sphere coding.

31. The communication device of claim 29 , wherein the at least one parameter configuration of the at least one parameter configuration set corresponds to at least one communication device, respectively.

32. The communication device of claim 31 , wherein the at least one communication device receives at least one signal transmitted by the network via the resource according to the transmission scheme and the at least one parameter configuration.