Design a direct sequence spread spectrum (DSSS) system to operate in an environment where the power of an interfering signal is 400 times more than the desired signal power. Consider the total system losses to be 5 dB and the output S/N ratio to be 7 dB. The information rate is 256 kbps. Calculate the following: 4.1.1 The jamming margin. 4.1.2 The minimum process gain. 4.1.3. The minimum required RF bandwidth (in Mhz). The required code generator clock rate.
Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
Probability of Error
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