Converged ultra-wideband and multi-level wired signal downstream transport over single wavelength in wavelength-division multiplexing passive optical network

• Autorzy: Ma H , Wang F. , Wang W. , Zhang X , Yu Q.

Identyfikatory

DOI

10.5277/oa150401

• Języki publikacji: EN

Abstrakty

EN

Simultaneous providing services of ultra-wideband and wired signal over single wavelength can greatly decrease the complexity and reduce the costs of a wavelength-division multiplexing passive optical network. However, ultra-wideband signal occupies the spectrum range from 3.1 to 10.6 GHz, and a narrow idle frequency band (from 0 to 3.1 GHz) could be employed to transport wired signal with a limited rate. In this paper, we proposed a scheme to simultaneously provide ultra-wideband and wired services, in which the information rate of the wired signal is enhanced by employing a multi-level amplitude switch keying signal in the idle frequency band formed by ultra-wideband signal. In comparison with other advanced modulation formats used for wavelength-division multiplexing passive optical networks such as orthogonal frequency division multiplexing, multi-level amplitude switch keying signal can be easily received by using intensity modulation direct detection, which will greatly reduce the cost of end-users. Especially, if a multi-band ultra-wideband signal is substituted for the direct-sequence ultra-wideband signal, the available spectrum range to transport wired signal will be easily extended to 5 GHz as multi-band ultra-wideband signal has a narrower spectrum width and flexible center frequency, so 4-amplitude switch keying signal with a rate of 5 Gbaud will achieve an information rate of 10 Gbit/s.

Słowa kluczowe

EN

ultra-wideband (UWB); multi-level amplitude switch keying (M-ASK); wavelength-division multiplexing passive optical network (WDM-PON)

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2015
• Tom: Vol. 45, nr 4
• Strony: 433--445
• Opis fizyczny: Bibliogr. 15 poz., rys.

Twórcy

autor

Ma H

• School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China.

autor

Wang F.

• School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China.
• Chongqing Key Laboratory of Time Grating Sensing and Advanced Testing Technology, Chongqing 400054, China

autor

Wang W.

• School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China.

autor

Zhang X

• School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China.

autor

Yu Q.

• School of Optoelectronic Information, Chongqing University of Technology, Chongqing 400054, China.

Bibliografia

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