Temporary Internet Files is a folder used by Microsoft Windows for storing browser caches. The directory is widely used by all installed Web browsers, especially Internet Explorer, for saving the contents of Web pages or websites visited by the user. It helps in speeding up the loading of pages from frequently visited sites and is also used for...
A guard band is a narrow frequency range that separates two ranges of wider frequency. This ensures that simultaneously used communication channels do not experience interference, which would result in decreased quality for both transmissions.
Guard bands are used in frequency division multiplexing (FDM).
A spectrum's unused portion is intended to prevent crosstalk, or noise or interference from other modulated signals on the same transmission medium, such as AM or FM radio.
The guard band concept applies to wired and wireless communications. It also simplifies the process of signal filtering for hardware, software or both.
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