What is the function of the spectrum analysis unit?(a) Detect spectrum holes(b) Prevent collision between multiple users(c) Match spectrum bands with user requirements(d) Listen for the arrival of the primary userI have been asked this question by my college professor while I was bunking the class.My query is from Next Generation Wireless Network in chapter Next Generation Wireless Network of Cognitive Radio

What is the function of the spectrum analysis unit?(a) Detect spectrum

1.	What is the function of the spectrum analysis unit?(a) Detect spectrum holes(b) Prevent collision between multiple users(c) Match spectrum bands with user requirements(d) Listen for the arrival of the primary userI have been asked this question by my college professor while I was bunking the class.My query is from Next Generation Wireless Network in chapter Next Generation Wireless Network of Cognitive Radio
Answer» RIGHT choice is (c) Match spectrum bands with user requirements Explanation: Spectrum ANALYSIS defines the characteristics of the spectrum bands and verifies WHETHER the characteristics meet the user requirements. Interference level, channel error RATE, link-layer delay, holding TIME, and path loss are few of defining parameters of a spectrum band.

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