US 10,893,417 B1
Soft service migration between spectrum access system (SAS) providers for citizens broadband radio service (CBRS) networks
Indermeet Singh Gandhi, Bangalore (IN); and Mukesh Taneja, Bangalore (IN)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Aug. 5, 2019, as Appl. No. 16/531,834.
Int. Cl. H04W 16/14 (2009.01); H04W 28/16 (2009.01); H04W 48/08 (2009.01)
CPC H04W 16/14 (2013.01) [H04W 28/16 (2013.01); H04W 48/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
at or on behalf of a base station operative to serve as a Citizens Broadband Radio Service Device (CBSD) in a Citizens Broadband Radio Service (CBRS) network, participating in a migration procedure from a source Spectrum Access System (SAS) of a source SAS provider to a destination SAS of a destination SAS provider by:
while the base station operates to facilitate communications for one or more user equipments (UEs) and is registered with the source SAS for spectrum access, communicating in one or more message exchanges for registering with the destination SAS and for receiving from the destination SAS a grant for spectrum access to spectrum according to a plurality of operating parameters; and
communicating in a message exchange with the destination SAS in a heartbeat procedure for receiving an authorization to use the granted spectrum.