Wireless Mobile Communication (BEC071) - AKTU Question Paper 2025-26
B.Tech · Semester 7 · Free PDF Download
This is the official AKTU Wireless Mobile Communication Previous Year Question Paper for B.Tech Semester 7, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
Course:B.Tech
Semester:Semester 7
Session:2025-26
University:AKTU / UPTU
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Questions Asked in 2025-26
Wireless Mobile Communication (BEC071) — extracted question text · 70 marks · 3 Hours
Section AAttempt all q u e s t i o n s i n b r i e f . 02 x 7 = 14
- aDefine cluster. Draw the diagra m of a seven cell cluster
- bExplain the term flat fading
- cExplain time hopping
- dDescribe channel estimation in short
- eExplain slotted ALOHA in short
- fWhat is Edge Technology?
- gWhat are mobile Adhoc networks?
Section BAttempt any three o f t h e f o l l o w i n g : 07 x 3 = 21
- aGive a brief explanation as to why large-scale and small-scale fading occur in wireless systems? What are the factors influencing small scale fading?
- bClassify and explain differen t types of vocoders. Also give properties of speech signal
- cWhat is equalization? Describ e different equalization techniques in short
- dCompare IS-95 and GSM standards on the basis of (i) Multiple Access technique used ( ii) Handoff ( iii) Handset interoperability (iv ) Coverage area
- eWhat are the applications of 4G Technology? Mention the challen ges faced by the 4G Networks
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 07 x 1 = 07
- aList and describe different t ypes of Handoff in Cellular System
- b(i) "Frequency Reuse helps in i ncreasing the Channel capacity" Justify. (ii) Justify ‘Microcell zone concept is used to increase Channe l Coverage and capacity’
- aDescribe non-orthogonal multiple access and multiplexing in MIMO systems in brief
- bWhat are detections strategie s? Explain diversity combining techniques in short
- aDescribe the working principle of Frequency Division Multiple A ccess (FDMA) in wireless communicati on. Explain how FDMA divides the available frequency spectrum to accommodate multiple users and allocate dedicated channels to each user for data transmission
- bElaborate on the principles of Code Division Multiple Access (C DMA) and how it allows multiple users to share the same frequency sp ectrum simultaneously using unique spreading code
- aState four features of CDMA 2000 radio standards. CDMA 2000 is more advantageous than 3G GSM standards, Justify
- bDraw the architecture of UMT S. State the function of various blocks
- a(i) Compare between Wifi and Wimax standards in detail. (ii) What is Ultra Wideband communication? Explain in brief
- b(i) Describe how 5G has penetrated in developed countries? W hat are deployment challenges of 5G in low-middle income countries? (ii) Discuss the advantages of NGN networks
Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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