Quadrature amplitude modulation in modulating retroreflector system |
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| Authors: | Goetz PG Funk EE Mahon R Rabinovich WS Binari SC |
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| Affiliation: | Naval Res. Lab., Washington, DC, USA; |
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| Abstract: | It has been shown that the data throughput of an optical modulating retroreflector (MRR) system can be enhanced by use of spectrally efficient M-ary quadrature amplitude modulation (M-ary QAM). It has been demonstrated that this MRR system has sufficient dynamic range to support up to 64-QAM at 30 Mbit/s in a 6.75 MHz channel bandwidth. |
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