As you are looking for question papers of Wireless Communication Systems & Networks Subject of B.Tech 7th Semester Course of PTU University, so here is following question paper:

PTU University B.Tech 7th Sem Wireless Communication Systems & Networks Question Paper
Section – A (10x2=20)
a) What is difference between co-channel and adjacent channel interference?
b) What are the various causes of fading?
c) What is slotted ALOHA?
d) What are the limitations in wireless networking?
e) Why spread spectrum modulation is used in mobile radio,environment?
f) Why is power control important in CDMA?
g) What is mobile IP?
h) Differentiate between 2G and 3G systems with respecto multiple access system.
1) What is the role of WLL?
j) What is SIM?

Section – B (4x5:20)
Q2) What is the concept of multipath shape factors for fading channels? Define the three rnultipath shape factors and give the fading rates variance relationships in terms of the shape factors.

Q3) Explain the RAKE receiver for CDMA systems.

Q4) Why hand off is necessary for cellular systems? Determine the two types of hand offs based on signal strength and C/I ratio?

Q5) Discuss the application areas of WLAN..

Q6) Write a technical note on Wi-Fi technology

Section – C (2 x 10:-20)
Q7) Listthe multiple access techniques used in different wireless communication systems. Explainthe TDMA scheme, its salient features andthe frame structure. Find the expresgjons for the efficiency and number of channels in TDMA system.

Q8) Draw the architecture of GSM and explain how location of mobile users are tracked using the various registers. Draw the TDMA frame structure for the GSM network.

Q9) Discuss in detail the capabilities provided by mobile IP