理解的应该是发收都设置成同一个伪码,资料里看不来。
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您可以参考 http://www.ti.com/lit/ds/symlink/cc2520.pdf 的17 IEEE 802.15.4-2006 Modulation Format
Each symbol is mapped to one out of 16 pseudo-random sequences, 32 chips each. The symbol to chip mapping is shown in Table 16.
每个符号映射到一个16位的伪随机序列,32个码片。码片的符号映射表如16所示。
DSSS使用一串连续的伪随机码(pseudonoise, PN)序列,用相位偏移调制的方法来调制信息。这一串连续的伪随机码称为码片(chips)