Wireless Communication Set 2

Hybrid access protocol ✘ Demand access protocol ✘ Scheduled access protocol ✘ Random access protocol ✔

Increase in delay ✘ Increase in probability of collision ✘ Increase in spectrum ✘ Both a and b ✔

Smart antenna technology ✘ Use of spatial locations of mobile units within the cell ✘ More battery consumption ✘ Both a and b are correct ✔

Focused signal transmitted into narrow transmission beams ✘ Smart antennas pointing towards mobile stations ✘ Use of different frequencies at same time slot ✘ Both a and b are correct ✔

To eliminate the need of pulse shaping filter ✘ To eliminate ISI ✘ High symbol rate ✘ Both a and b ✔

Multiple users on single channel ✘ Single user on multiple channels as per demand ✘ Multiple users on multiple channels at different time slots ✘ All of the above ✔

Use of same frequency channel for same time slot ✘ Use of same frequency channel for different time slot ✘ Use of same time slot for different frequency channel ✘ Use of different time slot for different frequency channels ✔

CDMA ✘ TDMA ✘ SDMA ✘ FDMA ✔

Blocking is reduced ✘ Capacity of the system is increased ✘ Both a & b ✘ None of the above ✔

More storage required ✘ Calculations and analysis is increased ✘ Both a & b ✘ None of the above ✔