白皮书
In today’s crowded radio-frequency (RF) spectrum, interference is a frequent and unpredictable threat to performance and security. You must be able to detect, classify, and locate it quickly and accurately.
Interferers range from harmless to threatening. These intentional or accidental signals can wreak havoc on a wireless system, creating issues such as noise in the channel or even loss of service. Hard to predict and detect, interference produces mitigation challenges. Despite careful allocation of wireless spectrum, it is an incessant concern — especially with the ongoing launch of services like fifth-generation (5G) cellular and the Internet of Things. Spectrum monitoring is evolving to better detect and locate interferers in cellular and satellite communications, such as unlicensed devices, while reinforcing key optimization tactics like spectrum sharing and band clearing.
When you think of an interferer, the first thing that probably comes to mind is a communications device. Yet many non-communication sources of interference also exist. Light-emitting diodes (LEDs), for example, can affect the reception of FM radio, digital television (DTV) broadcast, very high frequency (VHF) communications, and Long Term Evolution (LTE) cellular up to 300 m.
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