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) — complete question paper · 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. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
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