Data communications and networking problems

Data Communications and Networking Problems PLEASE READ FIRST: Hello. Below are problems that need to be fully solved. Please answer each of the questions asked to the fullest ability with as much information as possible. Show ALL work, such as equations and numbers for problems that require calculations. Please make sure to type everything out, DO NOT have anything handwritten in documents, please. Do not leave any questions blank when returning the work. Please make sure you do them all to the fullest and write the answers to the questions directly below. I need this assignement by 1/23/2015 at 12 PM and NO later! If you have any questions please ask them as soon as possible. Thank you! 1. Answer these questions: a) Is the frequency domain plot of a voice signal discrete or continuous ? b) A signal has a continuous frequency domain plot. Is it a periodic signal ? c) What is the phase shift of a sine wave with minimum amplitude after 1/8 cycle ? d) The highest frequency that people hear is around 18 kHz. The lowest is about 60 Hz. What is then the bandwidth of human hearing system ? Answer here: 2. Show the frequency domain of the following signal: s(t) = 1.242 + 2.4 sin 8??t + 3.1415 sin(18??t + ??/3) Answer here: 3. Draw the time domain representation (first 1/100 s) for the signal shown below in frequency domain: Answer here: 4. A radio channel has 10 MHz of bandwidth. What is the minimum SNR to achieve a data rate of 40 Mbps? Answer here: 5. A channel has a bandwidth of 4 MHz and signal to noise ratio of 63. The signal uses 64 levels. What is the maximum data rate achievable on this channel? (use both limits) Answer here: 6. What is the data rate on a channel if the transmission duration of a frame of 1250 kb takes 200 ms ? Answer here: 7. A TV channel has a bandwidth of 6 MHz. What is the number of signal levels if the data rate on the channel is 36 Mbps ? Answer here: 8. A signal passes through n cascaded amplifiers, each with a gain of GdB. What is the…







Calculate Your Essay Price
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 10% with the coupon code: best10