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Question Bank
6th
Semester – B.E. / B.Tech.
Electronics and Communication Engineering
EC 8004 - Wireless Networks
Part-A (10 x 2 = 20 Marks)
1. What is principle behind infrared technology? Mention its advantages and disadvantages
2. What is the principle behind FHSS?
3. What are the spread spectrum techniques?
4. Define SIFS and DIFS.
5. What is a Pico net and Scatter net?
6. What are the functions of MAC layer in IEEE 802.11?
7. Give the difference between HIPERLAN 1 and HIPERLAN 2.
8. Explain the throughput feature in Wimax.
9. What are the major issues in WLAN?
10. What type of modulation is used in Bluetooth?
11. What is Care-of Address (COA)?
12. Define encapsulation and decapsulation
13. What are the disadvantages of HAWAII?
14. What are the applications of MANETS?
15. Compare proactive with reactive protocols?
16. What is Mobile IP? Mention the benefits of mobile IP
17. What is route optimization?
18. What is the need for Registration?
19. Illustrate the importance of tunneling.
20. What are the advantages of cellular IP?
21. What are the planes of UTRAN?
22. Invent the UMTS R99 standard.
23. State the vision of 3G mobile communication systems
24. Formulate the difference between LTE FDD and LTE TDD
25. List the performance improvements achieved by HSDPA.
26. Distinguish between SGSN and GGSN.
27. Recall the functionalities of RNC in 3G system.
28. Evaluate the role of SMS-GMSC in UMTS network.
29. What is Transport Network Control Plane (TNCP)?
30. What is meant by UCN network?
31. Name two generic approaches for internetworking
32. What is tight coupling
33. What is Loose coupling
34. Differentiate between Tight coupling and Loose coupling
35. What are the advantages of tight coupling
36. What are the interfaces used for integration between Wlan and GPRS
37. What are the functions of Wb/Wr interface
38. What are the functions of Wx interface
39. What are the functions of Wm interface
40. What are the functions of Wn interface
41. Define multicarrier modulation (MCM)
42. What are the types of MCM that are likely preferred for 4G?
43. What are the technologies used in 4G?
44. What are the techniques to improve network survivability in different layers?
45. Compare 3G Vs 4G?
46. What are the Techniques to improve Network Survivability in different layers. Name the Challenges
faced by 4G
47. What is time-slot scheduler? Explain.
48. What is MIMO?
49. What are the benefits of Smart Antenna Technology?
50. What is receiver diversity?
Part – B ( 5 x 16 = 80 Marks) or Part – B ( 5 x 13 = 65 Marks)
51. What is WLAN? Explain its general architecture with neat diagrams
52. Explain protocol model of IEEE 802.11 with physical and Mac layers.
53. (i) Draw and explain the packet format of Baseband layer. (7)
(ii) Discuss any one MAC mechanism used in IEEE 802.11 WLAN systems. (6)
54. (i) Discuss in detail about the IEEE 802.11 standard. (7)
(ii) What are the major challenges in the implementation of wireless LANs? Explain. (6)
55. (i) Discuss any one MAC mechanism used in IEEE 802.11 WLAN systems. (7)
(i) Draw and explain the packet format of Radio layer. (6)
56. Draw and explain the architecture and layers of HIPERLAN. (13)
57. Write notes on HIPERLAN and evolution of WLAN industry. (13)
58. Discuss about HIPERLAN 1 and compare it with HIPERLAN 2 (13)
59. (i) WiFi and WiMax may be the alternate solution of fixed broadband services in real time
applications. Comment on this issue. (7)
(ii) Summarize WiMax IEEE 802.16 MAC layer and its functionalities. (6)
60. Explain IEEE 802.16 with neat illustrations. (13)
61. What is mobile IP? Describe the mobile of IP protocol. Explain with a diagram, how IP packets are
transmitted between nodes. Also explain how packet delivery mechanism in the mobile IP protocol
differs from IP protocol? (13)
62. What is the motivation behind dynamic source routing compared to other routing algorithms from
fixed network and how does dynamic source routing handle routing? (13)
63. Explain about registration process in mobile IP. (13)
64. (i) List the differences between AODV and the DSR algorithm. (7)
(ii) What is the main idea of reverse tunneling ? (6)
65. Illustrate the process of route establishment and route maintenance in Destination Sequence Distance-
Vector Routing protocol by taking an example (13)
66. Discuss in detail about IP V6. (13)
67. Demonstrate how tunneling works in general and especially for mobile IP using IP-IP, minimal, and
generic routing encapsulation, respectively. (13)
68. What are the solutions recommended for micro-mobility support? Discuss. (13)
69. Explain with an example
(i) DSDV (7)
(ii) CoAP (6)
70. How does mobile adhoc network differ from IEEE802.11 standard? With an example, explain DSDV
algorithm. (13)
71. Compile the modifications of indirect TCP as the selective repeat protocol and mobile-end transport
protocol and mention its advantages and disadvantages. (13)
72. (i)State the functions of different layers involved in UTRAN. (8)
(ii)Draw the OSI layer model of UTRAN. (5)
73. Name the various domains and reference points of 3G –UMTS architecture. (4) (ii) What are the
functions of UMTS domains? Explain in detail? (13)
74. Discover the responsibilities of RNC and Node B in UTRAN architecture. (13)
75. Analyze the protocol model of UTRAN interfaces with necessary diagrams. (13)
76. Summarize the functionalities provided by SGSN and GGSN in 3G mobile communication
systems.(13)
77. Explain the UMTS core network architecture with neat illustrations.(13)
78. With neat illustration explain UMTS terrestrial radio access network.(13)
79. Explain the services of UMTS in detail.(13)
80. Explain TD-CDMA, and TD – SCDMA.(13)
81. Explain internetworking schemes to connect WLAN and 3G networks
82. What are the Objectives of Internetworking(4)
Explain the Gateway approach in internetworking to connect WLAN and 3G Networks
83. Explain the Mobile IP approach(8)
Explain the Emulator approach(5)
84. Explain the gateway approach and emulator approach in internetworking between WLAN and 3G network(13)
85. What are advantages of Emulator approach over gateway approach explain in detail(13)
86. Explain RAI Discovery procedure
87. Explain the signaling flow during a RAI discovery Procedure
88. Explain the GIF/RAI Discovery Procedure
89. Explain the Signaling flow during GAF/RAI Procedure
90. Explain the protocol architecture of tight coupling over Gb interface
91. What are the features and challenges of 4G Technology
92. Explain the features challenges and its applications of 4G Technology
93. Explain the multicarrier modulation technique in detail
94. Explain the Orthogonal Frequency Division Multiplexing
95. Explain the different methods used in Smart Antenna techniques
96. Explain LTE architecture
97. Explain the IMS architecture
98. What is MVNO and explain in Detail
Part – C ( 1 x 15 = 15 Marks)
1 For IEEE 802.11 demonstrate
(i) System architecture.
(ii) Protocol architecture.
2 (i) Explain in detail about Bluetooth Architecture.
(ii)Give a brief description about the protocol stack of Bluetooth.
3 Define Encapsulation and explain the types of Encapsulation
4 Define tunneling and encapsulation. Why generic encapsulation is used compared to the IP in IP
encapsulation
5 Explain the IP packet delivery and define each entities present in it
6 Explain the system Description with Tight coupling
7 Explain internetworking schemes to connect WLAN and 3G networks
8 Explain Local Multipoint Distribution System Give the difference between LMDS and MMDS
9 Explain the Mobile IP approach
Explain the Emulator approach
10 Explain LTE architecture and its planes in detail

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EC8004 - Wireless Networks Question Bank

  • 1. Question Bank 6th Semester – B.E. / B.Tech. Electronics and Communication Engineering EC 8004 - Wireless Networks Part-A (10 x 2 = 20 Marks) 1. What is principle behind infrared technology? Mention its advantages and disadvantages 2. What is the principle behind FHSS? 3. What are the spread spectrum techniques? 4. Define SIFS and DIFS. 5. What is a Pico net and Scatter net? 6. What are the functions of MAC layer in IEEE 802.11? 7. Give the difference between HIPERLAN 1 and HIPERLAN 2. 8. Explain the throughput feature in Wimax. 9. What are the major issues in WLAN? 10. What type of modulation is used in Bluetooth? 11. What is Care-of Address (COA)? 12. Define encapsulation and decapsulation 13. What are the disadvantages of HAWAII? 14. What are the applications of MANETS? 15. Compare proactive with reactive protocols? 16. What is Mobile IP? Mention the benefits of mobile IP 17. What is route optimization? 18. What is the need for Registration? 19. Illustrate the importance of tunneling. 20. What are the advantages of cellular IP? 21. What are the planes of UTRAN? 22. Invent the UMTS R99 standard.
  • 2. 23. State the vision of 3G mobile communication systems 24. Formulate the difference between LTE FDD and LTE TDD 25. List the performance improvements achieved by HSDPA. 26. Distinguish between SGSN and GGSN. 27. Recall the functionalities of RNC in 3G system. 28. Evaluate the role of SMS-GMSC in UMTS network. 29. What is Transport Network Control Plane (TNCP)? 30. What is meant by UCN network? 31. Name two generic approaches for internetworking 32. What is tight coupling 33. What is Loose coupling 34. Differentiate between Tight coupling and Loose coupling 35. What are the advantages of tight coupling 36. What are the interfaces used for integration between Wlan and GPRS 37. What are the functions of Wb/Wr interface 38. What are the functions of Wx interface 39. What are the functions of Wm interface 40. What are the functions of Wn interface 41. Define multicarrier modulation (MCM) 42. What are the types of MCM that are likely preferred for 4G? 43. What are the technologies used in 4G? 44. What are the techniques to improve network survivability in different layers? 45. Compare 3G Vs 4G? 46. What are the Techniques to improve Network Survivability in different layers. Name the Challenges faced by 4G 47. What is time-slot scheduler? Explain. 48. What is MIMO? 49. What are the benefits of Smart Antenna Technology?
  • 3. 50. What is receiver diversity? Part – B ( 5 x 16 = 80 Marks) or Part – B ( 5 x 13 = 65 Marks) 51. What is WLAN? Explain its general architecture with neat diagrams 52. Explain protocol model of IEEE 802.11 with physical and Mac layers. 53. (i) Draw and explain the packet format of Baseband layer. (7) (ii) Discuss any one MAC mechanism used in IEEE 802.11 WLAN systems. (6) 54. (i) Discuss in detail about the IEEE 802.11 standard. (7) (ii) What are the major challenges in the implementation of wireless LANs? Explain. (6) 55. (i) Discuss any one MAC mechanism used in IEEE 802.11 WLAN systems. (7) (i) Draw and explain the packet format of Radio layer. (6) 56. Draw and explain the architecture and layers of HIPERLAN. (13) 57. Write notes on HIPERLAN and evolution of WLAN industry. (13) 58. Discuss about HIPERLAN 1 and compare it with HIPERLAN 2 (13) 59. (i) WiFi and WiMax may be the alternate solution of fixed broadband services in real time applications. Comment on this issue. (7) (ii) Summarize WiMax IEEE 802.16 MAC layer and its functionalities. (6) 60. Explain IEEE 802.16 with neat illustrations. (13) 61. What is mobile IP? Describe the mobile of IP protocol. Explain with a diagram, how IP packets are transmitted between nodes. Also explain how packet delivery mechanism in the mobile IP protocol differs from IP protocol? (13) 62. What is the motivation behind dynamic source routing compared to other routing algorithms from fixed network and how does dynamic source routing handle routing? (13) 63. Explain about registration process in mobile IP. (13) 64. (i) List the differences between AODV and the DSR algorithm. (7) (ii) What is the main idea of reverse tunneling ? (6) 65. Illustrate the process of route establishment and route maintenance in Destination Sequence Distance- Vector Routing protocol by taking an example (13) 66. Discuss in detail about IP V6. (13) 67. Demonstrate how tunneling works in general and especially for mobile IP using IP-IP, minimal, and generic routing encapsulation, respectively. (13) 68. What are the solutions recommended for micro-mobility support? Discuss. (13) 69. Explain with an example (i) DSDV (7)
  • 4. (ii) CoAP (6) 70. How does mobile adhoc network differ from IEEE802.11 standard? With an example, explain DSDV algorithm. (13) 71. Compile the modifications of indirect TCP as the selective repeat protocol and mobile-end transport protocol and mention its advantages and disadvantages. (13) 72. (i)State the functions of different layers involved in UTRAN. (8) (ii)Draw the OSI layer model of UTRAN. (5) 73. Name the various domains and reference points of 3G –UMTS architecture. (4) (ii) What are the functions of UMTS domains? Explain in detail? (13) 74. Discover the responsibilities of RNC and Node B in UTRAN architecture. (13) 75. Analyze the protocol model of UTRAN interfaces with necessary diagrams. (13) 76. Summarize the functionalities provided by SGSN and GGSN in 3G mobile communication systems.(13) 77. Explain the UMTS core network architecture with neat illustrations.(13) 78. With neat illustration explain UMTS terrestrial radio access network.(13) 79. Explain the services of UMTS in detail.(13) 80. Explain TD-CDMA, and TD – SCDMA.(13) 81. Explain internetworking schemes to connect WLAN and 3G networks 82. What are the Objectives of Internetworking(4) Explain the Gateway approach in internetworking to connect WLAN and 3G Networks 83. Explain the Mobile IP approach(8) Explain the Emulator approach(5) 84. Explain the gateway approach and emulator approach in internetworking between WLAN and 3G network(13) 85. What are advantages of Emulator approach over gateway approach explain in detail(13) 86. Explain RAI Discovery procedure 87. Explain the signaling flow during a RAI discovery Procedure 88. Explain the GIF/RAI Discovery Procedure 89. Explain the Signaling flow during GAF/RAI Procedure 90. Explain the protocol architecture of tight coupling over Gb interface 91. What are the features and challenges of 4G Technology 92. Explain the features challenges and its applications of 4G Technology
  • 5. 93. Explain the multicarrier modulation technique in detail 94. Explain the Orthogonal Frequency Division Multiplexing 95. Explain the different methods used in Smart Antenna techniques 96. Explain LTE architecture 97. Explain the IMS architecture 98. What is MVNO and explain in Detail Part – C ( 1 x 15 = 15 Marks) 1 For IEEE 802.11 demonstrate (i) System architecture. (ii) Protocol architecture. 2 (i) Explain in detail about Bluetooth Architecture. (ii)Give a brief description about the protocol stack of Bluetooth. 3 Define Encapsulation and explain the types of Encapsulation 4 Define tunneling and encapsulation. Why generic encapsulation is used compared to the IP in IP encapsulation 5 Explain the IP packet delivery and define each entities present in it 6 Explain the system Description with Tight coupling 7 Explain internetworking schemes to connect WLAN and 3G networks 8 Explain Local Multipoint Distribution System Give the difference between LMDS and MMDS 9 Explain the Mobile IP approach Explain the Emulator approach 10 Explain LTE architecture and its planes in detail