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Exam1 - Name ID Number EE661-Modulation Theory Spring 2011...

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Name ________________________ ID Number ____________________ EE661 -Modulation Theory Spring 2011 Midterm Exam #1 Instructions: This exam is closed book. However, you may bring in one sheet of notes which is limited to one side of an 8.5x11 (inch) sheet of paper. You may include any material you want on that sheet. You have 50 minutes to complete the exam. Be sure to budget your time wisely. Please provide adequate reasoning on all problems and work all problems on the paper provided. All problems are weighted as indicated below. If you are unclear on what you are supposed to do on any of the problems, please ask and I will be glad to clarify the question. Do not, however, ask me to help you solve the questions. Good Luck. 1 2 3 4 Total Score Maximum 30 25 15 30 100
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Problem 1. (30 points) Two constellations are proposed for the transmission of 8-ary data symbols as shown. (a) Find an expression for the union bound on the probability of symbol error for each constellation. Leave your answer in terms of a Q-function involving .
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