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ISSN Print: 0040-2508
ISSN Online: 1943-6009
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DYNAMIC RANGE MEASUREMENT OF RADIO OVER FIBER LINK BY EMPLOYING 120° PHASE SHIFT METHOD
ABSTRACT
A reliable method to enhance the spurious-free dynamic range (SFDR) of the 120° phase shift based on the radio over fiber (RoF) link, has been proposed, analyzed and demonstrated. The computer simulation results of the proposed method are presented for a different frequency of input RF signal exhibiting an enhancement in the fundamental power and suppression in 3rd order intermodulation errors. The results also show that the proposed method can bring an enhancement of 7.13dB in SFDR compared with the conventional method at 10km optical fiber length. Thus, the proposed phase shift method can give a tremendous perspective in the implementation of a cost-effective RoF link.
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