US 12,446,091 B2
System for establishing initial communication with satellite system
Deepak, Sammamish, WA (US); Bulin Zhang, Redmond, WA (US); Kavitha Kamarthy, San Jose, CA (US); Sharanya Subramanian, Fremont, CA (US); and Srikar Rajamani, Redmond, WA (US)
Assigned to AMAZON TECHNOLOGIES, INC., Seattle, WA (US)
Filed by AMAZON TECHNOLOGIES, INC., Seattle, WA (US)
Filed on Jun. 8, 2022, as Appl. No. 17/805,911.
Prior Publication US 2023/0403744 A1, Dec. 14, 2023
Int. Cl. H04W 74/0833 (2024.01); H04B 7/185 (2006.01); H04W 36/00 (2009.01); H04W 72/21 (2023.01); H04W 76/18 (2018.01)
CPC H04W 74/0833 (2013.01) [H04B 7/18526 (2013.01); H04B 7/18558 (2013.01); H04W 36/0016 (2013.01); H04W 72/21 (2023.01); H04W 76/18 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a first satellite comprising:
a first network interface; and
a first set of one or more processors executing instructions to:
transmit a first initial network entry (INE) broadcast using the first network interface, wherein the first INE broadcast comprises:
a first portion comprising a first plurality of synchronization symbols, and
a second portion comprising first data indicative of a first subbeam identifier and a first set of symbols associated with random access channel (RACH) operation;
receive a first request from a first user terminal (UT);
assign a first UT identifier (UT-ID) to the first UT;
transmit a first response comprising the first UT-ID; and
transmit second data addressed to the first UT-ID, wherein the second data comprises a second subbeam identifier, and a second set of symbols associated with RACH operation.