NDLI: Performance comparison of number- and coherent-state optical CDMA in lossy direct-detection photon channels

Content Provider	IEEE Xplore Digital Library
Author	Shalaby, H.M.H.
Copyright Year	1994
Description	Author affiliation: Dept. of Electr. Eng., Alexandria Univ., Egypt (Shalaby, H.M.H.)
Abstract	The performance of optical code-division multiple-access (CDMA) communication systems utilizing number-state light field is evaluated. Lossy direct detection optical channels are assumed. Both on-off keying (OOK) and pulse-position modulation (PPM) schemes are investigated. For OOK, the exact bit error rate is evaluated taking into account the effect of both multiple-user interference and transmission loss. Upper and lower bounds on the bit error probability for PPM-CDMA systems are derived under the above considerations. The effect of both background and thermal noise is neglected in the analysis. A comparison between the performance of the number- and coherent-state OOK/PPM-CDMA networks is also presented. The results demonstrate that the number-state system requires less than half the energy consumed by the coherent-state one in order to attain the same performance.
Starting Page	574
Ending Page	578
File Size	331322
Page Count	5
File Format	PDF
ISBN	0780317505
DOI	10.1109/ISSSTA.1994.379520
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-07-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multiaccess communication Optical modulation Optical losses Pulse modulation Optical detectors Optical pulses Bit error rate Interference Propagation losses Error probability
Content Type	Text
Resource Type	Article

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