白皮书
Spectrum is organized and allocated worldwide to ensure optimal performance for various communications applications. Each country’s emergency responder network operates on specific frequencies, for example. The same is true for much of commercial communications. Despite the careful planning devoted to assigning “slices” of spectrum for different users and applications, communications devices and the users themselves often fail to adhere to these rules. Signal issues and communications problems result. Many signal events are elusive, making it challenging to overcome these communications issues.
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