US 11,818,783 B2
Identifying new radio coverage availability in non-standalone mode
Divyaprakash P. Bhojkumar, Cupertino, CA (US); Ajay Singh, San Jose, CA (US); Arun G. Mathias, Los Altos, CA (US); Carola Faronius, Cupertino, CA (US); Faraz Faheem, Santa Clara, CA (US); Lakshmi N. Kavuri, Cupertino, CA (US); Madhusudan Chaudhary, Campbell, CA (US); Muthukumaran Dhanapal, Dublin, CA (US); Raghuveer Mallikarjunan, Sunnyvale, CA (US); Rajesh Ambati, Los Altos Hills, CA (US); Rohan C. Malthankar, San Jose, CA (US); Sreevalsan Vallath, Dublin, CA (US); Thanigaivelu Elangovan, Cupertino, CA (US); and Vivek Ramanna, Cupertino, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Filed by Apple Inc., Cupertino, CA (US)
Filed on Jun. 18, 2020, as Appl. No. 16/905,568.
Prior Publication US 2021/0400754 A1, Dec. 23, 2021
Int. Cl. H04W 76/16 (2018.01); H04W 48/16 (2009.01); H04W 76/27 (2018.01); H04W 56/00 (2009.01); H04W 36/00 (2009.01); H04W 64/00 (2009.01); H04W 88/06 (2009.01)
CPC H04W 76/16 (2018.02) [H04W 36/0058 (2018.08); H04W 48/16 (2013.01); H04W 56/0045 (2013.01); H04W 64/003 (2013.01); H04W 76/27 (2018.02); H04W 88/06 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method, comprising:
at a user equipment (UE) configured to connect to a network that supports simultaneous connection to a first radio access technology (RAT) and a second RAT:
receiving coverage information associated with the first RAT and a cell of the second RAT, wherein the first RAT and the second RAT are different RATs, wherein the coverage information includes information received from the cell of the second RAT and further includes information generated by the UE, wherein the information received from the cell of the second RAT includes a global cell ID (CGI);
receiving a timing advance command value from the cell of the second RAT during a random channel access (RACH) procedure, wherein the timing advance command value indicates a current UE location relative to the cell of the second RAT; and
determining whether the first RAT is available for camping based on the coverage information and the timing advance command value received from the cell of the second RAT.