The circular spreading code (213) is a pseudo-noise spreading code that is shifted by n.
The same circular pseudo-noise spreading code is also used to demodulate the signal.
The step of estimating preferably uses a normalized SNR, and further employs the use of a null PN code detection technique.
An apparatus and method for locking onto a pseudo-noise code in an IS-95 spread spectrum communications system is disclosed.
Thus, even when the pseudo-noise code length is 14 or more, the side-lobe of the correlation coefficient can be restricted.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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