EP4496412B1

Resource allocation method, device and system of wireless communication system

Abstract

This record has no abstract on file.

EP4496412B1, drawing sheet 1
Sheet 1 of 72

Term

12.3 yearsleft in the term

Expires 14 January 2039.

  1. Priority and filed
  2. Granted
  3. Today
  4. Expires

15 claims: 10 independent, 5 dependent

  1. 1
    A user equipment, UE, configured to operate in a 3 rd generation partnership project, 3GPP,-based wireless communication system using a plurality of Bandwidth Parts, BWPs, in a cell, the UE comprising:a processor;and a communication module, wherein the processor is configured to: receive a fallback downlink control information, DCI, including a frequency domain resource allocation, FDRA, field, wherein a size of the fallback DCI is derived from an initial BWP with a size N BWP1 , and the FDRA field includes a resource indication value, RIV;based on the fallback DCI, receive a physical downlink shared channel, PDSCH, including a transport block, TB, on contiguous resource blocks, RBs, in an active BWP with a size N BWP2 ;and transmit a physical uplink control channel, PUCCH, including hybrid automatic repeat and request acknowledgement, HARQ-ACK, information for the TB of the PDSCH, wherein, when N BWP2 > N BWP1 , the RIV correspond to a starting RB index S and a length L of the contiguous RBs, as follows: - S: an element of {0, K, 2*K, ..., (N BWP1 -1)*K}, and - L: an element of {K, 2*K, 3*K, ..., N BWP1 *K}, where K is a value determined from only within a set of values {2"}, depending on (N BWP2 /N BWP1 ), in which n represents non-negative integers starting from 0.
  2. 4
    The UE of any one of claims 1 to 3, wherein when N BWP2 ≤ N BWP1 , the RIV corresponds to the starting RB index S and the length L of the contiguous RBs, as follows:- S: an element of {0, 1, 2, ...}, and - L: an element of {1, 2, 3, ...}.
  3. 5
    The UE of any one of claims 1 to 4, wherein a size of the FDRA field is derived from the initial BWP with the size N BWP1 .
  4. 6
    A base station, BS, configured to operate in a 3 rd generation partnership project, 3GPP,-based wireless communication system using a plurality of Bandwidth Parts, BWPs, in a cell, the BS comprising:a processor;and a communication module, wherein the processor is configured to: transmit a fallback downlink control information, DCI, including a frequency domain resource allocation, FDRA, field, wherein a size of the fallback DCI is derived from a size N BWP1 of an initial BWP with a size N BWP1 , and the FDRA field includes a resource indication value, RIV;based on the fallback DCI, transmit a physical downlink shared channel, PDSCH, including a transport block, TB, on contiguous resource blocks, RBs, in an active BWP with a size N BWP2 ;and receive a physical uplink control channel, PUCCH, including hybrid automatic repeat and request acknowledgement, HARQ-ACK, information for the TB of the PDSCH, wherein, when N BWP2 > N BWP1 , the RIV correspond to a starting RB index S and a length L of the contiguous RBs, as follows: - S: an element of {0, K, 2*K, ..., (N BWP1 -1)*K}, and - L: an element of {K, 2*K, 3*K, ..., N BWP1 *K}, where K is a value determined from only within a set of values {2"}, depending on (N BWP2 /N BWP1 ), in which n represents non-negative integers starting from 0.
  5. 9
    The BS of any one of claims 6 to 8, wherein when N BWP2 ≤ N BWP1 , the RIV corresponds to the starting RB index S and the length L of the contiguous RBs, as follows:- S: an element of {0, 1, 2, ...}, and - L: an element of {1, 2, 3, ...}.
  6. 10
    The BS of any one of claims 6 to 9, wherein a size of the FDRA field is derived from the initial BWP with the size N BWP1 .
  7. 11
    A method for a user equipment, UE, in a 3 rd generation partnership project, 3GPP,-based wireless communication system using a plurality of Bandwidth Parts, BWPs, in a cell, the method comprising:receiving a fallback downlink control information, DCI, including a frequency domain resource allocation, FDRA, field, wherein a size of the fallback DCI is derived from an initial BWP with a size N BWP1 , and the FDRA field includes a resource indication value, RIV;based on the fallback DCI, receiving a physical downlink shared channel, PDSCH, including a transport block, TB, on contiguous resource blocks, RBs, in an active BWP with a size N BWP2 ;and transmitting a physical uplink control channel, PUCCH, including hybrid automatic repeat and request acknowledgement, HARQ-ACK, information for the TB of the PDSCH, wherein, when N BWP2 > N BWP1 , the RIV correspond to a starting RB index S and a length L of the contiguous RBs, as follows: - S: an element of {0, K, 2*K, ..., (N BWP1 -1)*K}, and - L: an element of {K, 2*K, 3*K, ..., N BWP1 *K}, where K is a value determined from only within a set of values {2"}, depending on (N BWP2 /N BWP1 ), in which n represents non-negative integers starting from 0.
  8. 12
    A method for a base station, BS, in a 3 rd generation partnership project, 3GPP,-based wireless communication system using a plurality of Bandwidth Parts, BWPs, in a cell, the method comprising:transmitting a fallback downlink control information, DCI, including a frequency domain resource allocation, FDRA, field, wherein a size of the fallback DCI is derived from an initial BWP with a size N BWP1 , and the FDRA field includes a resource indication value, RIV;and based on the fallback DCI, transmitting a physical downlink shared channel, PDSCH, including a transport block, TB, on contiguous resource blocks, RBs, in an active BWP with a size N BWP2 ;and receiving a physical uplink control channel, PUCCH, including hybrid automatic repeat and request acknowledgement, HARQ-ACK, information for the TB of the PDSCH, wherein, when N BWP2 > N BWP1 , the RIV correspond to a starting RB index S and a length L of the contiguous RBs, as follows: - S: an element of {0, K, 2*K, ..., (N BWP1 -1)*K}, and - L: an element of {K, 2*K, 3*K, ..., N BWP1 *K}, where K is a value determined from only within a set of values {2"}, depending on (N BWP2 /N BWP1 ), in which n represents non-negative integers starting from 0.
  9. 14
    The method any one of claims 11 to 13, wherein the RIV has a value satisfying the following equation:- RIV = N BWP 1 * L ′ − 1 + S ′ , if L ′ − 1 ≤ floor N BWP 1 / 2 , and - RIV = N BWP 1 * N BWP 1 − L ′ + 1 + N BWP 1 − 1 − S ′ , if L ′ − 1 > floor N BWP 1 / 2 , where L' is L/K (1≤ L'≤ N BWP1 -S'), and S' is S/K, and where floor represents a flooring function.
  10. 15
    The method of any one of claims 11 to 14, wherein when N BWP2 ≤ N BWP1 , the RIV corresponds to the starting RB index S and the length L of the contiguous RBs, as follows:- S: an element of {0, 1, 2, ...}, and - L: an element of {1, 2, 3, ...}, and/or, wherein a size of the FDRA field is derived from the initial BWP with the size N BWP1 .