Intersymbol nterference in direct detection optical systems can limit the channel spacing in frequency division multiplexing and prevent multilevel signaling.We investigate a zero-forcing electrical filter to cancel intersymbol nterference and compare its performance with a matched filter and a rectangular response filter,for M -ary amplitude modulation.
Zero-forcing electrical filters for direct detection optical systems
ISIT 1994, IEEE International Symposium on Information Theory, 27th June-1st July, 1994, Trondheim, Norway
Systèmes de Communication
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