Download JNTUK M-Tech 2020 R19 ECE Wireless Lans And Pans Model Question Paper

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II M. Tech I Semester (R19) Regular Examinations

WIRELESS LANs AND PANs

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DEPARTMENT OF ELECTRONICS & COMMUNICATIONS ENGINEERING

MODEL QUESTION PAPER

TIME: 3Hrs. Max. Marks: 75

Answer ONE Question from EACH UNIT.

All questions carry equal marks.

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UNIT-I

1. a). Discuss about the technical issues in wireless communications (CO1 | K6)
   b). Explain about pure ALOHA in detail (CO1 | K1)

OR

2. a). Write about slotted ALOHA. (CO1 | K2)
   

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   b). Explain in detail about Wireless 4G systems. (CO1 | K1)

UNIT-II

3. a). Explain the importance of Wireless LANs. (CO2 | K1)
   b). Explain in detail about Infrared technology. (CO2 | K2)

OR

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4. a). Compare difference between wired and Wireless LAN. (CO2 | K4)
   b). Write about Spread Spectrum technologies. (CO2 | K1)

UNIT-III

5. a). Explain in detail about different MAC layer issues. (CO3 | K1)
   b). Explain about medium access control layer in wireless LAN. (CO3 | K1)

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OR

6. a). Explain about different layers in IEEE 802.11 wireless LAN? (CO3 | K1)
   b). How congestion can be controlled and avoided in MAC layer? (CO3 | K1)

UNIT-IV

7. a). Explain about different Blue Tooth Technologies. (CO4 | K1)
   

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   b). Write about different interference issues in Blue Tooth. (CO4 | K1)

OR

8. a). Compare Intra and Inter Pico net scheduling. (CO4 | K4)
   b). Discuss different security issues in Blue tooth (CO4 | K6)

UNIT-V

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9. a). Explain in brief about different Zig Bee technologies (CO4 | K1)
   b). Write about IEEE 802.15.4 LR -WPAN Device architecture (CO4 | K1)

OR

10. a). Explain about IEEE 802.15.3a Ultra wideband? (CO5 | K2)
    b). Write about different IEEE 802.15 working Grp for WPAN. (CO5 | K1)

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CO-CRSE TCOME KL -KNOWLEDGE LEVEL M-MARKS

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