Wireless Communication - Cognitive Radio MCQs

24 MCQs  (Page 1 of 3)

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Wireless Communication - Cognitive Radio Subcategories
Femtocell NetworkNext Generation Wireless Network Communication Policies 1
Next Generation Wireless Network Spectrum Management 1Tcp Ip Protocol
What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?
A. Application
B. Host to host
C. Internet
D. Network access
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What among the following is not a function of spectrum management?
A. Sensing
B. Decision
C. Mobility
D. Repair
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Which among the following functions prevent collision?
A. Spectrum analysis
B. Spectrum decision
C. Spectrum mobility
D. Spectrum sharing
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What is the function of spectrum mobility?
A. Detect spectrum holes
B. Gather information about available spectrum bands
C. Vacate spectrum band
D. Monitor spectrum band
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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 user
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Which parameter can be used to compute the permissible power of xG users?
A. Distance between the primary transmitter and xg user
B. Amount of interference at the primary receiver
C. Amount of interference at xg user
D. Distance between the primary receiver and xg user
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Which among the following statements is false about the outcome of increasing transmission power?
A. Transmission range at higher frequencies is maintained
B. Path loss is increased
C. Interference is increased
D. Transmission range at lower frequencies is maintained
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Which among the following factors affect the error rate?
A. Encoding techniques
B. Modulation scheme
C. Channel capacity
D. Access techniques
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What is the primary cause of the link-layer delay?
A. Selection of appropriate protocol
B. Selection of routing path
C. Packet generation
D. Frame generation
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What is holding time?
A. The duration required to identify a spectrum hole
B. The duration available after the arrival of the primary user to vacate the spectrum band
C. The duration over which the xg user can use the licensed spectrum band
D. The duration over which the xg user can use the unlicensed spectrum band
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Word of the Day
15 Jul
Iterate
perform or utter repeatedly.
دہرانا، چکر

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