Strong truncation photon compression system and method under ultra-large constellation scale
A compression system and constellation technology, applied in the transmission system, multi-carrier system, modulated carrier system, etc., can solve the problem of unable to decode the original information normally, and achieve the effect of size reduction
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[0054] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0055] The embodiment is to the 16384QAM signal (constellation diagram such as figure 2 shown) for strong truncated photon compression modulation.
[0056] refer to figure 1 , a strongly truncated photon compression system under a super-large constellation scale of the present invention can convert a super-large-scale constellation into a non-uniformly distributed small-scale constellation, thereby realizing reliable transmission of signals, specifically including a constellation probability distribution matcher unit, a photon Compression and data projection unit, photon truncation and data modulation unit, channel estimation unit, channel feedback unit, probability adaptive unit, carrier modulation unit, optical modulator unit, channel unit, optical amplifier unit, photodetector unit, channel blind equalization unit, probabilistic dematcher...
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