US Patent No. 11,071,104


Patent No. 11,071,104
Issue Date July 20, 2021
Title Dmrs With Shortened Scheduling
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.