Analysis of a fiber optic microwave link with optoelectronic upconverter for wireless applications

Kodaypak R. Prasad; Qing Z. Liu; R. Ian MacDonald

doi:10.1117/12.220881

18 September 1995 Analysis of a fiber optic microwave link with optoelectronic upconverter for wireless applications

Kodaypak R. Prasad, Qing Z. Liu, R. Ian MacDonald

Proceedings Volume 2556, Wireless Communications; (1995) https://doi.org/10.1117/12.220881
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Fiber Optic microwave links for microcellular mobile communications have gained wide spread attention in the recent years. This paper reports the analysis of a fiber optic microwave link that employs a metal semiconductor metal photodiode (MSM-PD) as an optoelectronic mixer (OEM). The OEM can considerably reduce the base station hardware in a typical microcell environment and thus economize the overall system cost. The nonlinearities inherent in the MSM-PD OEM are examined by modeling its dc responsivity as a third order polynomial function of applied bias voltage. The OEM has been analyzed in terms of its conversion loss and noise figure. The link quality has been estimated in terms of the carrier to noise ratio (CNR).

Citation Download Citation

Kodaypak R. Prasad, Qing Z. Liu, and R. Ian MacDonald "Analysis of a fiber optic microwave link with optoelectronic upconverter for wireless applications", Proc. SPIE 2556, Wireless Communications, (18 September 1995); https://doi.org/10.1117/12.220881

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