FinalTakeHome - ECEN 661 Modulation Theory Take Home Final...

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ECEN 661 - Modulation Theory Take Home Final Assignment Date: 4/28/08 Due Date: 5/5/08 Preface: The final exam in this course will be a take-home exam. The exercise described here is to be turned in by noon on Tuesday May 6th. This assignment is to be done on your own. Since it is your final exam, please do not collaborate on this assignment with anyone else, including present or past students of this class, other faculty, or any other friends. If you have any questions about how to proceed, please talk with me and I will be glad to clarify the assignment, but do not consult anyone else. The Problem: On the course web site is a file called “FinalSignal.mat.” This file contains a single variable called “received_signal” which consists of samples of a received signal (sampled at a rate of 20 samples per symbol). Your job is to detect the data in this signal. The signalling format is as follows. The modulation format is DQPSK with root-raised cosine pulse shapes with a roll-off factor of . In addition, there is a packet structure as described in the figure below.
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