Referenced Items are not available for this document.
Direct-detection optical code-division multiple-access (CDMA) communication systems with avalanche photodiode (APD) photodetectors are investigated. A Chernoff upper bound, modified Chernoff upper bound, and Gaussian approximation on the probability of bit error are presented for general APDs and arbitrary {0,1}-valued optical signature sequences. Multiple-user interference, shot-noise, and receiver thermal noise effects on the bit error probability are studied in detail. One-coincidence optical orthogonal codes and prime codes are considered in the numerical analysis. Equal-weight orthogonal signaling formats that do not require dynamic estimation of the receiver threshold are proposed. The results suggest that equal-weight orthogonal signaling schemes are preferable to the on-off orthogonal signaling schemes commonly employed in the literature
Published in:
Communications, IEEE Transactions on
(Volume:40
,
Issue:
4
)
Date of Publication: Apr 1992
- Page(s):
- 810 - 820
- ISSN :
- 0090-6778
- INSPEC Accession Number:
- 4219559
- Digital Object Identifier :
- 10.1109/26.141436
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Apr 1992
- Sponsored by :
- IEEE Communications Society
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