US Patent No. 11,071,077


Patent No. 11,071,077
Issue Date July 20, 2021
Title Radio (nr) Wideband Sync Detection
Assignee Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)

Claim of US Patent No. 11,071,077

1. A method, performed by a radio network device, of synchronizing to a wireless communication network, comprising:receiving a wideband signal and storing the received wideband signal;
transforming the received wideband signal to the frequency domain to generate a frequency domain signal;
selecting part of, but less than all of, the frequency domain signal;
converting the selected part of the frequency domain signal to the time domain to generate a time domain signal;
filtering the time domain signal with a sync reference; and
applying a criterion to detect a sync signal in the time domain signal.