JPL's Wireless Communication Reference Website

Chapter: Analog and Digital Transmission
Section: CDMA, Direct Sequence CDMA

[3,1] ML code generation

The [3, 1] code has register length r = 3, the code length Nc = 2^3 -1 = 7.
The [3,1] code can be implemented using the primitive polynomial h(x):



h(x) = x^3 + 0  + x + 1.



As can be seen h1 = 1 and h2 = 0.


Figure: Example of [3,1] code generator. (r = 3)


Figure: Example of the [3,1] code

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