Abstract
A novel multiple user interference (MUI) cancellation technique is introduced with a reference signal which is data-free from the intended signal. It also simplifies the receiver architecture in synchronous M-ary wavelength or frequency shift keying (FSK) OCDMA. In the analysis, the system upper-bounded bit-error rate (BER) is derived taking into account the Poisson effect on the I/O characteristics of the photo-detectors (PD). It is found that the capacity of this system also increases by employing the proposed MUI canceller. In contrast to wavelength-division multiplexing (WDM), fewer wavelengths are needed as a result of M-ary source coding. (c) 2008 Wiley Periodicals, Inc.
| Original language | English |
|---|---|
| Pages (from-to) | 883-885 |
| Number of pages | 3 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 50 |
| Issue number | 4 |
| Early online date | 1 Jan 2008 |
| DOIs | |
| Publication status | Published - 1 Apr 2008 |
Keywords
- optical code-division multiple-access
- multi-user interference
- M-ary frequency-shift keying
- prime code families
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