Description Usage Arguments Value See Also Examples
Receives a vector of bits (1's and 0's). The received vector is mapped to in-phase (real) and quadrature (imaginary) components, according to a Binary Reflective Gray Code (BRGC, see reference). Each received pair of bits are are mapped to 16-PSK symbols, with Es (symbol energy) = 1.The bit to symbol mapping is illustrated in the following table.
input | output |
0000 | 0 |
0001 | π/8 |
0011 | π/4 |
0010 | 3π/8 |
0110 | π/2 |
0111 | 5 π/8 |
0101 | 3 π/4 |
0100 | 7 π/8 |
1100 | -1 |
1101 | -7 π/8 |
1111 | -3π/4 |
1110 | -5 π/8 |
1010 | - π/2 |
1011 | -3 π/8 |
1001 | - π/4 |
1000 | - π/8 |
Reference: E. Agrell, J Lassing, E. Strom, and T. Ottosson, Gray Coding for Multilevel Constellations In Gaussian Noise, IEEE Transactions on Communications, Vol. 53, No. 1, January 2007
1 | f16pskmod(bits, Ns = 1, p = 1)
|
bits |
vector of bits (0's and 1's). |
Ns |
N samples per symbol (default, Ns = 1) |
p |
a vector defining the pulse shape of the transmitted waveform (default, p = 1) |
Returns a complex vector of length of 8-PSK symbols. If Ns > 1 then the returned signal is shaped with pulse shape, p.
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