Cellular Network and Explain Frequency Reuse
EC2401- WIRELESS COMMUNICATION QUESTION BANK IV ECE
UNIT I SERVICES AND TECHNICAL CHALLENGES
Part-A
1. Give any four examples of wireless communication systems. 2. What is a base station?
3. List any four advantages of third generation (3G) mobile networks. 4. Define co channel cells.
5. What are the reasons for choosing Hexagonal cells? 6. Define footprint 7. Define Frequency Reuse
8. What are the advantages of micro cell zone concept? 9. Define cluster.
10. Write the objectives of channel assignment strategies.
12. What is borrowing strategy in channel assignment? 13. Define handoff?
14. What happens if the Handoff threshold is high?
16. Define cell dragging.
EC
24
17. Define MAHO. 18. Write the formula for co-channel reuse ratio.
19. What is cell splitting? 20. List the methods to improve coverage and capacity in cellular systems. 21. What is intersystem handoff? 22. Define Co-channel Interference 23. Define Adjacent-channel Interference
01
15. Define Dwell time.
W
IR
For more details visit www.agniece.blog.com
EL
11. Differentiate Fixed and Dynamic channel assignment strategies.
ES
S
C
O M
M
U
N
IC AT I
O
N
24. Define near-far effect
Part-B
1. Explain the cellular system architecture in detail. 2. Explain frequency reuse in detail.
3. Discuss different techniques used for improving coverage and capacity in cellular systems. 4. Explain the various types of Handoff processes available 5. Explain Trunking and Grade Of Service. 6. Compare Between FDMA, TDMA, CDMA, SDMA.
9. Explain the operations of CDMA
WIRELESS PROPAGATION CHANNELS
EL
system?
2. What is scattering?
EC
24
3. What is diffraction? 4. Mention any four Indoor propagation models 5. Define Brewster angle? 6. Calculate the Brewster angle for a wave impinging on ground having a permittivity εr = 2.
7. List out any three small-scale fading effects of multipath in the radio
UNIT I SERVICES AND TECHNICAL CHALLENGES
Part-A
1. Give any four examples of wireless communication systems. 2. What is a base station?
3. List any four advantages of third generation (3G) mobile networks. 4. Define co channel cells.
5. What are the reasons for choosing Hexagonal cells? 6. Define footprint 7. Define Frequency Reuse
8. What are the advantages of micro cell zone concept? 9. Define cluster.
10. Write the objectives of channel assignment strategies.
12. What is borrowing strategy in channel assignment? 13. Define handoff?
14. What happens if the Handoff threshold is high?
16. Define cell dragging.
EC
24
17. Define MAHO. 18. Write the formula for co-channel reuse ratio.
19. What is cell splitting? 20. List the methods to improve coverage and capacity in cellular systems. 21. What is intersystem handoff? 22. Define Co-channel Interference 23. Define Adjacent-channel Interference
01
15. Define Dwell time.
W
IR
For more details visit www.agniece.blog.com
EL
11. Differentiate Fixed and Dynamic channel assignment strategies.
ES
S
C
O M
M
U
N
IC AT I
O
N
24. Define near-far effect
Part-B
1. Explain the cellular system architecture in detail. 2. Explain frequency reuse in detail.
3. Discuss different techniques used for improving coverage and capacity in cellular systems. 4. Explain the various types of Handoff processes available 5. Explain Trunking and Grade Of Service. 6. Compare Between FDMA, TDMA, CDMA, SDMA.
9. Explain the operations of CDMA
WIRELESS PROPAGATION CHANNELS
EL
system?
2. What is scattering?
EC
24
3. What is diffraction? 4. Mention any four Indoor propagation models 5. Define Brewster angle? 6. Calculate the Brewster angle for a wave impinging on ground having a permittivity εr = 2.
7. List out any three small-scale fading effects of multipath in the radio