RAN1 agreement covers one or multiple D2R resource sets in periodic broadcasts

RAN1 is the radio layer 1 working group. A related contribution places these broadcasts in Release 20 Ambient Internet of Things (A-IoT) work. These D2R resource sets concern device transmissions toward a reader. Under the agreement, periodic broadcast information provides "one or multiple “resource set configuration(s)”". Each configuration covers multiple periodic resource sets or a single resource set. At least the periodicity and time location of resource sets can differ between configurations. Configuration content has the same structure for single and multiple resource sets.

Source: R1-2606758, Ad-Hoc Chair (NTT DOCOMO, INC., 3GPP TSG RAN WG1 #126, chair notes, agenda item 9.3.3.

The Apple, ASUSTeK, KT Corp., and Ericsson contributions were not treated at RAN1 #126, with no decision recorded for those papers. Apple proposed confirming one or multiple configurations, each covering multiple periodic sets or a single set. ASUSTeK proposed that "multiple periodic D2R resource sets should be limited within a period of periodic broadcast information". KT Corp. framed its proposal around a first D2R transmission, with one or multiple resource groups per set. Ericsson proposed only a single set per broadcast if modification periodicity is not supported. Our reading: the agreement allows multiple sets, while Ericsson's conditional single-set proposal received no decision.

Source: R1-2606609, ASUSTeK, 3GPP TSG RAN WG1 #126. © ASUSTeK.