IT04 802 Mobile communications

MCS -JUNE2008
I
a) Explain about the combining techniques used in antenna diversity
b) Notes on path loss of radio signals
c) Advantages and disadvantages of MEO satellite
d) Short note on IMT-2000
e) Distinguish between 802.11a and 802.11b
f) Advantages and disadvantages of WLAN
g) Discuss briefly about reverse tunneling
h) Three categories of Ad-hoc routing protocol
II
a) Applications of wireless communication or
b) Detail about frequencies for radio transmission

III
a) GPRS system or
b) Features of DECT & UMTS
IV
a) Explain
i) Motivation for WATM
ii) Wireless ATM working group
iii) Handover Or
b) Explain in detail about bluetooth

V
a) Explain
i) Routing
ii) Dynamic source rooting or
b)Ad-hoc network with example