SRM University BTech ECE Wireless communication 2011 Question Paper

Course: B.Tech Electronics and Communications Engineering
Question University: SRM University

Subject for Question Paper : Wireless communication

Semester : 08

Part Time Question Paper

Year of Exam: 2011

PART- A (10X2=20)

1. Define grade of service (GOS).
2. Define MAHO.
3. What is meant by coherence bandwidth?
4.What are the Time Dispersion parameters of Multipath channels?
5. Name the four space diversity reception techniques.
6.What is meant by decision feedback equalization?
7. What is Access point?
8. What is the relationship between master and slave in a piconet?
9. What is Blue tooth radio specification?
10. What is Bluetooth?
PART-B (16X5=80)
11. (a) Describe the steps involved in making a cellular telephone call with timing diagram. (16)

or (b) Explain TDMA ,FDMA and CDMA and discuss the time division,multiple access frame
structure. (16)

12. (a) Derive the equation of the path loss for the two ray model with antenna gains. (16)
or (b) Derive the impulse response model of a multipath channel. (16)

13. (a) Explain the concept of minimum shift keying and GMSK (16)
or (b) What is non linear equalization? Explain the types of non linear equalization? (16)

14. (a) Explain the IEEE802.11 MAC frame format and MAC timing . (16)
or (b) Draw and explain the architecture and services of IEEE802.11 (16)

15. (a) Explain radio specification s and base band specifications of Blue tooth. (16)

or (b) Draw and explain the protocol architecture of Blue tooth (16)

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