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|標題:||Performance Analysis of Double-Weight Optical CDMA Under the Same-Bit-Power Assumption||作者:||Chen, C.H.
|Project:||Ieee Transactions on Communications||期刊/報告no：:||Ieee Transactions on Communications, Volume 59, Issue 5, Page(s) 1247-1252.||摘要:||
To provide differential quality-of-service in optical code-division multiple access, variable-weight codes were proposed and analyzed under a conventional assumption of identical power in every optical pulses (i.e., same chip power). To account for power limit of some laser sources, we assume the use of same optical power in each bit duration (i.e., same bit power) in this paper. For illustration, we focus our study on double-weight codes under both same-chip-power and same-bit-power assumptions. A new and better approximate performance-analytical model for double-weight codes is developed and validated with computer simulation. We show that heavy-weight codes do not always perform better than light-weight codes under the same-bit-power assumption, contrary to previous findings under the same-chip-power assumption.
|Appears in Collections:||通訊工程研究所|
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