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DPSK |
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DPSK(Differential Phase Shift Keying) A common form of phase modulation used in analog modems. DPSK does not require complex demodulation circuitry and is less susceptible to random phase changes in the transmitted waveform. See PSK, FSK and QPSK.
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When coupled with other leading-edge Bell Labs technologies - such as extended L-band amplifiers, Raman amplifiers, forward error correction and optimal dispersion compensation - DPSK allowed the research team to achieve error-free transmission over 4,000 kilometers (2500 miles) for all 64 channels, each of which had a signal of 40 gigabits per second. Single chip design allows engineers to incorporate DPSK / Duobinary with the industry's smallest footprint solution Together with Inphi's 13700DF/13701DF and 13706RZ/13707RZ, the 13750DE/13751DE can be assembled on a single system to accomplish NRZ, RZ, Duobinary or DPSK transmission formats. |
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