Method and apparatus for resource allocation
The present disclosure provides a method and an apparatus for resource allocation. The method for resource allocation includes: allocating, by a base station, resources for Physical Uplink Shared Channel (PUSCH) for a User Equipment (UE) in accordance with a predefined resource allocation scheme; and transmitting, by the base station, a resource allocation result to the UE via Downlink Control Information (DCI). With the embodiments of the present disclosure, it is possible to allocation resources for PUSCH, thereby solving the problem in the related art associated with lack of allocation scheme.
1. A method for wireless communication, comprising:
transmitting, from a base station to a mobile device, a Downlink Control Information (DCI) message that includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission,
wherein a length of each of the time-domain units corresponds to a number of subcarriers indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
2. The method of claim 1 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
3. The method of claim 1 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.
4. The method of claim 1 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of allocated resources and the second value indicating the number of time-domain units of the allocated resources are represented by a positive integer number of bits in the DCI message.
5. A method for wireless communication, comprising:
receiving, at a mobile device, a Downlink Control Information (DCI) message from a base station, wherein the DCI message includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission; and
performing the PUSCH transmission using the allocated resources indicated by the DCI message,
wherein a length of each of the time-domain units corresponds to a number of subcarriers as indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
6. The method of claim 5 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
7. The method of claim 5 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.
8. The method of claim 5 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of allocated resources and the second value indicating the number of time-domain units of the allocated resources are represented by a positive integer number of bits in the DCI message.
9. An apparatus for wireless communication, comprising:
a processor configured to generate a Downlink Control Information (DCI) message that includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission; and
a transmitter configured to transmit the DCI message to the mobile device,
wherein a length of each of the time-domain units corresponds to a number of subcarriers indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
10. The apparatus of claim 9 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
11. The apparatus of claim 9 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.
12. The apparatus of claim 9 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of allocated resources and the second value indicating the number of time-domain units of the allocated resources are represented by a positive integer number of bits in the DCI message.
13. An apparatus for wireless communication, comprising:
a receiver configured to receive a Downlink Control Information (DCI) message from a base station, wherein the DCI message includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission; and
a processor configured to perform the PUSCH transmission using the allocated resources indicated by the DCI message,
wherein a length of each of the time-domain units corresponds to a number of subcarriers as indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
14. The apparatus of claim 13 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
15. The apparatus of claim 13 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.
16. The apparatus of claim 13 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of allocated resources and the second value indicating the number of time-domain units of the allocated resources are represented by a positive integer number of bits in the DCI message.
17. A non-transitory computer readable medium having code stored thereon, the code when executed by a processor, causing the processor to:
transmit, to a mobile device, a Downlink Control Information (DCI) message that includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission,
wherein a length of each of the time-domain units corresponds to a number of subcarriers indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
18. The non-transitory computer readable medium of claim 17 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
19. The non-transitory computer readable medium of claim 17 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.
20. A non-transitory computer readable medium having code stored thereon, the code when executed by a processor, causing the processor to:
receive a Downlink Control Information (DCI) message from a base station, wherein the DCI message includes a first value indicating a frequency-domain start position and a frequency-domain size of allocated resources for a Physical Uplink Shared Channel (PUSCH) transmission, and a second value indicating a number of time-domain units of the allocated resources for the PUSCH transmission; and
perform the PUSCH transmission using the allocated resources indicated by the DCI message,
wherein a length of each of the time-domain units corresponds to a number of subcarriers as indicated by the frequency-domain size of the allocated resources,
wherein the first value being in a range of 0 to 11 indicates that the number of subcarriers is one, the first value being in a range of 12 to 15 indicates that the number of subcarriers is three, the first value being in a range of 16 to 17 indicates that the number of subcarriers is six, and the first value being equal to 18 indicates that the number of subcarriers is twelve, and
wherein the number of subcarriers being one indicates that the length of each of the time-domain units is 8 milliseconds, the number of subcarriers being three indicates that the length of each of the time-domain units is 4 milliseconds, the number of subcarriers being six indicates that the length of each of the time-domain units is 2 milliseconds, and the number of subcarriers being twelve indicates that the length of each of the time-domain units is 1 millisecond.
21. The non-transitory computer readable medium of claim 20 , wherein the first value indicating the frequency-domain start position and the frequency-domain size of the allocated resources for the PUSCH transmission is represented by a positive integer number of bits in the DCI message.
22. The non-transitory computer readable medium of claim 20 , wherein the second value indicating the number of time-domain units of the allocated resources for the PUSCH transmission is represented by three bits in the DCI message.