In 256PSK, how many bits will each symbol be able to represent?
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To determine the number of bits represented by each symbol in 256PSK (256-Phase Shift Keying), we need to consider the concept of bit rate and symbol rate.
In 256PSK, each symbol represents a certain number of bits. This type of modulation is based on phase shifts, where the phase of the carrier signal is modified to encode information.
The bit rate refers to the number of bits transmitted per second, while the symbol rate refers to the number of symbols transmitted per second.
In 256PSK, as the name suggests, there are 256 possible phase shifts (symbols). Therefore, each symbol can represent a unique combination of bits.
To determine the number of bits per symbol in 256PSK, we can use the formula:
Number of bits per symbol = log2(Number of symbols)
For 256PSK:
Number of symbols = 256
Number of bits per symbol = log2(256) = 8 bits
So, each symbol in 256PSK can represent 8 bits.
It's important to note that the bit rate will differ from the symbol rate. The bit rate is calculated by multiplying the symbol rate by the number of bits per symbol.