Introduction to the RS-232C Protocol and a Bit-Error Rate Tester
In this chapter you will learn about a commercial instrument called a bit-error rate tester that is commonly used to evaluate the performance of digital communication systems. First, you will be introduced to the EIA RS-232C interface protocol which is a very common method for serially transmitting digital data between nearby devices. Then you will connect a commercial bit-error rate tester to the TMS320C6713 DSK, use the DSP to add noise to the serial bit stream, run a bit-error rate test, and compare measured and theoretical results. See the last section of this chapter for additional references on the theory of optimum signal detection and bit-error probability.
KeywordsAdditive Gaussian Noise Digital Communication System Data Terminal Ring Indicator Frame Sync
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