Binary Phase-Shift Keying (BPSK) is a digital modulation technique that transmits data by modulating the phase of a carrier wave between two distinct phases. The constellation points are typically placed with equal angular spacing around a circle, maximizing phase separation between adjacent points and enhancing resistance to signal corruption. These points are positioned on a circle to ensure they can all be transmitted with the same energy, resulting in uniform amplitudes for the corresponding cosine and sine waves.
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