| CPC H04W 74/0841 (2013.01) [H04W 56/0045 (2013.01); H04W 74/002 (2013.01); H04W 74/0836 (2024.01); H04W 74/0866 (2013.01); H04W 74/0838 (2024.01)] | 15 Claims |
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1. A method for 2-step random access (RA) message (MSG) A resource configuration, comprising:
receiving, by a terminal device, first configuration information from a network device, the first configuration information comprising a physical random access channel (PRACH) resource configuration of a 2-step RA MSG A resource, physical uplink shared channel (PUSCH) resource configurations of the 2-step RA MSG A resource, and a correspondence between a PRACH time-domain resource configuration and the PUSCH resource configurations, the PRACH resource configuration comprising the PRACH time-domain resource configuration, the PRACH time-domain resource configuration being for determining random access channel (RACH) occasion (RO) time-domain resource locations, wherein
the PRACH resource configuration further comprises a PRACH frequency-domain resource configuration indicating a consecutive PRACH frequency-domain resource;
the PUSCH resource configurations comprise N PUSCH resource configurations, and N is an integer greater than 1;
the N PUSCH resource configurations correspond to a same frequency-domain resource configuration;
the N PUSCH resource configurations correspond to different time-domain resource configurations, wherein the N PUSCH resource configurations corresponding to different time-domain resource configurations comprises: the N PUSCH resource configurations corresponding to different time offsets in an RACH resource period, wherein each of the time offsets is a time offset of a PUSCH occasion (PO) slot relative to a corresponding RO slot; and
the correspondence is for constraining PO time-domain resource locations corresponding to different ROs to be different from each other during any period of time having a length equal to a length of a preamble receiving window;
wherein the RACH resource configuration corresponds to a first time-domain RO, a second time-domain RO, a third time-domain RO, and a fourth time-domain RO in the RACH resource period, the first time-domain RO, the second time-domain RO, the third time-domain RO, and the fourth time-domain RO are different from each other in the RACH resource period, the N PUSCH configurations are a first PUSCH resource configuration, a second PUSCH resource, a third PUSCH resource configuration, and a fourth PUSCH resource configuration, and the N PUSCH resource configurations corresponding to different time offsets in the RACH resource period comprises:
the first PUSCH resource configuration corresponds to a first RO time-domain resource location, and a time offset of the first PUSCH resource configuration relative to the first RO time-domain resource location is a first time offset; the second PUSCH resource configuration corresponds to a second RO time-domain resource location, and a time offset of the second PUSCH resource configuration relative to the second RO time-domain resource location is a second time offset; the third PUSCH resource configuration corresponds to a third RO time-domain resource location, and a time offset of the third PUSCH resource configuration relative to the third RO time-domain resource location is a third time offset; and the fourth PUSCH resource configuration corresponds to a fourth RO time-domain resource location, and a time offset of the fourth PUSCH resource configuration relative to the fourth RO time-domain resource location is a fourth time offset; wherein the first time offset, the second time offset, the third time offset, and the fourth time offset are different from each other, and wherein the first PUSCH resource configuration is mapped to the first time-domain RO, the second PUSCH resource configuration is mapped to the second time-domain RO, the third PUSCH resource configuration is mapped to the third time-domain RO, and the fourth PUSCH resource configuration is mapped to the fourth time-domain RO.
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