US 12,476,693 B2
Communication via uplink and downlink reflective devices
Sharad Sambhwani, San Diego, CA (US); Boqiang Fan, San Diego, CA (US); Ankit Bhamri, Bad Nauheim (DE); and Mithat C Dogan, San Jose, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jan. 20, 2023, as Appl. No. 18/157,682.
Prior Publication US 2024/0250741 A1, Jul. 25, 2024
Int. Cl. H04B 7/145 (2006.01); H04B 7/0426 (2017.01)
CPC H04B 7/145 (2013.01) [H04B 7/043 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a first electronic device to communicate with a second electronic device, the method comprising:
transmitting, using a first radio access technology (RAT), an uplink signal to the second electronic device via reflection off a first reconfigurable intelligent surface RIS);
receiving, using the first RAT, a downlink signal from the second electronic device via reflection off a second RIS that is different from the first RIS; and
broadcasting a signal to the first RIS and the second RIS using a second RAT that is different from the first RAT.