Question: (5%) 64-QAM is used to send data at 4000 bps, what is the required bandwidth? Let d = 1. 5. 6, (15%) Sample a low-pass

(5%) 64-QAM is used to send data at 4000 bps, what is the required bandwidth? Let d = 1. 5. 6, (15%) Sample a low-pass signal with a bandwidth of 500 KHz using 64 levels of quantization, a. Calculate the bit rate of the digitized signal b. Calculate the SNR for this signal c. Calculate the PCM bandwidth of this signal 7. (14%) what is the total delay (latency) for a fame of size 10 million bits that is being sent on a link with 2 routers? Each router has a queuing time of 2 us and a processing time of 1 us, The total length the link is 5000 Km. The speed of light inside the link is 2 x 10'm/s. Each hop has a bandwidth of 10 Mbps, Which component of the total delay is dominant? Which is negligible

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