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Power effiCienCy in wireless CommuniCations
approximation is very important. Various techniques are available to
calculate the initial approximation, some of which include a linear
approximation, direct lookup table, and lookup table followed by mul-
tiplication (Agrawal and Khandelwal, 2006).
5.8.4 Hardware Structure of the Complex Divider
ere are mainly four steps that should be performed. e first is sign
adjustment and prescaling of the inputs into the required range of the
dividends. e second step is to calculate the divisor and change the
scale to the proper range. e third step is to perform the actual divi-
sion. e fourth step is postsc ...