CBRS Participate in the grooving meeting at the early stage of the CBRS(Citizens Broadband Radio Service) project, designend-to-end test cases according to EFS, be responsible for the construction of the real environment, and finally use therobot framework and python to implement the automation script on the cloud, put the automation script into theexpression pool, and regularly execute and maintain the TA case. CBRS has achieved test coverage step by step fromsimple to complex LTE to 5G NR and RF sharing LTE and NR, and achieved good software quality, thus reducing theexposure of issue to customers.. I am mainly responsible for ET testing, testing whether the various functions of CBRS are normal by simulating SAS,such as the normal message registration spectrum inquiry grant and heartbeat. Including function test, frequency bandallocation, bandwidth size and power size.