US Patent No. 11,071,104

DMRS WITH SHORTENED SCHEDULING


Patent No. 11,071,104
Issue Date July 20, 2021
Title Dmrs With Shortened Scheduling
Inventorship
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 11,071,104


1. A method in a wireless device of a wireless communication network, the wireless device operable to receive radio transmissions scheduled and transmitted separately per sub-subframe (SSF), the method comprising:receiving, at a first time interval, a first SSF precoded in accordance with a first demodulation reference signal (DMRS);
receiving, at a second time interval after the first time interval, a second SSF comprising the first DMRS mapped to one or more first resource elements in the second SSF, the one or more first resource elements associated with a first set of one or more antenna ports, the one or more first resource elements corresponding to long term evolution (LTE) DMRS resources in a first slot of a subframe; and
wherein a SSF comprises a time duration shorter than a LTE subframe.