Question: 1. Using Binary Frequency-Shift Keying (BFSK) how many bits per symbol can be sent? (1 point) a) 2 b)3 d) Depends on bandwidth. 2. How

2. How many frequencies are needed if we want to send 4

bits at a time while using Multiple (I point) Frequency-Shift Keying (MFSK)?

a) 16 b) 24 c) Depends on channel's SNR d) Your proposed

answer: 3. What is the bit transmission time if there are 8

1. Using Binary Frequency-Shift Keying (BFSK) how many bits per symbol can be sent? (1 point) a) 2 b)3 d) Depends on bandwidth. 2. How many frequencies are needed if we want to send 4 bits at a time while using Multiple (I point) Frequency-Shift Keying (MFSK)? a) 16 b) 24 c) Depends on channel's SNR d) Your proposed answer: 3. What is the bit transmission time if there are 8 different signal levels and the symbol time T, is 42 microseconds? (I point) a) 5.25 microseconds b) 336 microseconds c) 126 microseconds d) Your proposed answer: 4. Describe the essence of the Block Error Correction Code on the transmitter side and on the (2 points) receiver side. Transmitter Receiver 5. The ratio of data bits to total bits is called a) Code Redundancy b) Code rate c) Code efficiency d) All the above (1 point) Page 2 of 8

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