HOMEWORK #11. Describe what BPSK, QPSK, 16QAM are and how to deliver bits.2. What is ISM Band?

3. Describe characteristics of High frequency and Low frequency signals

4. What is Base band signal?5. Describe what Modulation is and give at least two reasons why it is needed for wireless communications.6. Describe about Bandwidth in terms of signal processing perspective and network perspective.

7. Explain differences between Baud Rate and Bit Rate.8. Explain difference between Throughput and Goodput9. Explain about orthogonality in signal.

10. Give advantages of OFDM and describe differences between OFDMA and FDMA.

11. Why is multiple access protocol needed?12. Describes 4 reasons which cause delays in networks.13. Describe techniques to recover packet loss and to reduce packet loss.

14. What does it mean that a radio (or data) propagates further and provides ways to transmit radio signal (or data) further.