Case Study Intermittent In-Band Interference Resolved with InterferenceAdvisor TM A Taiwan operator reported a high Received Total Wideband Power (RTWP) problem in a residential area of Taipei. The Viavi team was brought in to help them to resolve the problem by locating the interference sources using the InterferenceAdvisor, Viavi’s new automated interference hunting solution.  The operator reported the following problems: • llegal signal boosters were being used by apartment residents to improve in-building coverage. • Since the problem area had an urban morphology, identifying the exact interference source was difficult due to signal reflection. • The issue was difficult to troubleshoot as it was intermittent. Signal booster installed inside an elevator caused high peak in-band

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