https://patents.google.com/patent/US10136434B2/en
I Gerszberg, H Kafka, PS Henry, R Bennett, F Barzegar… - US Patent App. 10/136,434, 2018
Aspects of the subject disclosure may include, for example, receiving, by a network element of a distributed antenna system, a reference signal, an ultra-wideband control channel and a first modulated signal at a first carrier frequency, the first …