View source for 17375831. SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMISSION simplified abstract (HUAWEI TECHNOLOGIES CO., LTD.)

=SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMISSION=


==Organization Name==

[[:Category:HUAWEI TECHNOLOGIES CO., LTD.|HUAWEI TECHNOLOGIES CO., LTD.]]


[[Category:HUAWEI TECHNOLOGIES CO., LTD.]]

==Inventor(s)==

[[:Category:Jeebak Mitra of Ottawa (CA)|Jeebak Mitra of Ottawa (CA)]][[Category:Jeebak Mitra of Ottawa (CA)]]

[[:Category:Mrinmoy Jana of Mississauga (CA)|Mrinmoy Jana of Mississauga (CA)]][[Category:Mrinmoy Jana of Mississauga (CA)]]

[[:Category:Lutz Hans-Joachim Lampe of Vancouver (CA)|Lutz Hans-Joachim Lampe of Vancouver (CA)]][[Category:Lutz Hans-Joachim Lampe of Vancouver (CA)]]

[[:Category:Jin Wang of Kanata (CA)|Jin Wang of Kanata (CA)]][[Category:Jin Wang of Kanata (CA)]]

[[:Category:Chuandong Li of Ottawa (CA)|Chuandong Li of Ottawa (CA)]][[Category:Chuandong Li of Ottawa (CA)]]

==SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMISSION - A simplified explanation of the abstract==


This abstract first appeared for US patent application 17375831 titled 'SYSTEM AND METHOD FOR INTERFERENCE CANCELLATION IN OPTICAL TRANSMISSION

==Simplified Explanation==

The patent application describes methods and systems for low complexity interference cancellation in multichannel optical transmission. It introduces a process of local or self-iteration between a propagation decision feedback equalizer and a soft demapper, followed by a soft decision forward error correction decoder to determine bit log-likelihood ratios. These ratios are then fed back to the equalizer and demapper for further self-iteration. Global iteration involving the decoder can also be performed before decoding the bitstream.

* Local or self-iteration is performed between a propagation decision feedback equalizer and a soft demapper.
* Soft decision forward error correction decoder determines bit log-likelihood ratios.
* Bit log-likelihood ratios are fed back to the equalizer and demapper for further self-iteration.
* Global iteration involving the decoder can be performed before decoding the bitstream.

== Potential Applications ==
This technology can be applied in various fields where multichannel optical transmission is used, such as:

* Telecommunications industry for high-speed data transmission.
* Data centers for efficient and reliable communication between servers.
* Fiber optic networks for improved signal quality and capacity.

== Problems Solved ==
The technology addresses the following problems in multichannel optical transmission:

* Interference and noise in the transmission that can degrade signal quality.
* Complexity of interference cancellation methods, which can limit their practical implementation.
* Error propagation in the decoding process, leading to incorrect data interpretation.

== Benefits ==
The technology offers several benefits in multichannel optical transmission:

* Improved signal quality and reliability by canceling interference and reducing noise.
* Low complexity implementation, making it feasible for practical use.
* Enhanced decoding accuracy through self-iteration and feedback mechanisms.


==Original Abstract Submitted==

Methods and systems for low complexity interference cancellation in multichannel optical transmission. Local or self-iteration is performed one or more times between an expected propagation decision feedback equalizer and a soft demapper. Following local iteration, a soft decision forward error correction decoder determines bit log-likelihood ratios, which are fed back to the expected propagation decision feedback equalizer and soft demapper for further self-iteration. Global iteration involving the decoder can also be performed one or more times before a bitstream is decoded.



[[Category:H04B10/2543]]
[[Category:H04J14/02]]
[[Category:H04B10/58]]