Title :
Multiple access in the presence of optical-beat and go-channel interference using Walsh-code-based synchronized CDMA technique
Author :
Hsiao, C.C. ; Wang, B.H. ; Way, W.I.
Author_Institution :
Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
Abstract :
We experimentally demonstrated the feasibility of using Walsh-code-based synchronized code-division-multiple access (S-CDMA) technique to achieve multiple access in the presence of optical-beat interference (OBI). This multiple access technique can, thus, be applied to WDMA networks using subcarrier-based common wavelength signaling, or PON´s which generally do not have wavelength control on uplink laser diodes.
Keywords :
Walsh functions; cochannel interference; code division multiple access; encoding; frequency division multiple access; optical fibre networks; subcarrier multiplexing; synchronisation; wavelength division multiplexing; WDMA networks; Walsh-code-based synchronized CDMA technique; Walsh-code-based synchronized code-division-multiple access; go-channel interference; multiple access; multiple access technique; optical-beat; optical-beat interference; subcarrier-based common wavelength signaling; Frequency synchronization; Interchannel interference; Laser noise; Multiaccess communication; Nonlinear optics; Optical distortion; Optical fiber networks; Optical transmitters; Passive optical networks; Photodetectors;
Journal_Title :
Photonics Technology Letters, IEEE
