Wireless Communication Set 3

Convolution of transmitted signal and impulse response ✘ Addition of transmitted signal and impulse response ✘ Subtraction of transmitted signal and impulse response ✘ All of the above ✔

Increased capacity ✘ Limited spectrum is required ✘ Same spectrum may be allocated to other network ✘ All of the above ✔

Each cell is assigned a predetermined set of frequencies ✘ The call is served by unused channels of the cell ✘ The call gets blocked if all the channels of the cell are occupied ✘ All of the above ✔

TDMA ✘ FDMA ✘ TDD ✘ FDD ✔

5 MHz ✘ 50 MHz ✘ 1.25 MHz ✘ 4 MHz ✔

Assigning different group of channels ✘ Using transmitters with different power level ✘ Using different antennas ✘ All of these ✔

Sectored directional antennas ✘ Omni directional antennas ✘ Yagi uda antennas ✘ None of the above ✔

Amplitude modulation ✘ Frequency modulation ✘ ASK ✘ All of these ✔

Simplex mode ✘ Half duplex mode ✘ Full duplex mode ✘ None of the above ✔

Send numeric messages ✘ Send alphanumeric messages ✘ Voice message ✘ All of the above ✔