Suddenly, on a Monday morning around 9:30 am, we started to get calls at the NOC of high dropped calls near a strip mall; this continued till 6 pm. Everything was working fine last week; we did not make any changes to the network, the neighbor list, or other RF parameters over the weekend. I started to monitor the hourly KPIs for the sectors covering that strip mall; quickly I realized that one cell covering that area was reporting high dropped calls and access failures.

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