Question 1
(a)
Characterize Analog and Digital Data Transmission Techniques.
3 Marks
(b)
Differentiate Circuit Switching and Packet Switching.
4 Marks
(c)
Explain TCP/IP protocol architecture along with diagram
7 Marks
Gujarat Technological UniversitySummer 2026 Examination
GTU 2170710 Mobile Computing and Wireless Communication Summer 2026 Paper Solution & PDF
B.E. · Computer Engineering · Semester 7 · Subject Code: 2170710
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours2:30 PM – 5:00 PM
Paper Structure5 QuestionsWith internal OR choices
Question 2
(a)
Define the following terms:
1)Fading
2)Multiplexing
3)Handover.
3 Marks
(b)
Define Channel Capacity. Briefly explain the factors that affect the capacity of a wireless channel.
4 Marks
(c)
Explain the concept of Frequency Reuse in cellular networks. How does it help in increasing system capacity?
7 Marks
OR OPTION
(c)
Describe the functional architecture of a GSM system with a neat diagram. Explain the roles of HLR and VLR.
7 Marks
Question 3
(a)
Explain following GSM identifiers: IMSI, IMEI, and MSISDN.
3 Marks
(b)
Discuss the propagation modes and the concept of 'Line-of-Sight' transmission.
4 Marks
(c)
What is Mobile IP? Explain the concepts of Agent Discovery and Tunneling.
7 Marks
OR OPTION
(a)
Describe the Call Routing mechanism in a GSM network.
3 Marks
(b)
Describe the applications and data services provided by GPRS.
4 Marks
(c)
Explain the GSM Network Architecture and the functions of its various entities.
7 Marks
Question 4
(a)
Define Spread Spectrum. Differentiate between FHSS and DSSS.
3 Marks
(b)
Explain the Bluetooth Radio and Baseband specifications.
4 Marks
(c)
Describe the IEEE 802.11 (Wi-Fi) architecture and its Medium Access Control (MAC) services.
7 Marks
OR OPTION
(a)
Explain the concept of Code Division Multiple Access.
3 Marks
(b)
Discuss error detection and block error correction codes in wireless communication.
4 Marks
(c)
Explain the Bluetooth Protocol Stack in brief. Explain Logical Link Control and Adaptation Protocol in detail.
7 Marks
Question 5
(a)
What is the significance of the Android Manifest file?
3 Marks
(b)
Explain the core Application Components in the Android framework.
4 Marks
(c)
Discuss Android Architecture in brief. Explain the role and need of Application Framework and Libraries layer in detail.
7 Marks
OR OPTION
(a)
Explain the use of UI widgets: TextView, EditText, and Button in Android.
3 Marks
(b)
Differentiate between LinearLayout, RelativeLayout, and TableLayout.
4 Marks
(c)
Explain following in context of Android Application: RatingBar, The Options Menu, The Context Menu.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Mobile Computing and Wireless Communication (Summer 2026, B.E. · Computer Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.