Rahat Ullah
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Explore the profile of Rahat Ullah including associated specialties, affiliations and a list of published articles.
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102
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869
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Recent Articles
1.
Ullah R, Ullah S, Ren J, Mao Y, Qi Z, Hussain J, et al.
Sensors (Basel)
. 2024 Nov;
24(22).
PMID: 39599131
High-capacity communication networks are built to provide high throughput and low latency to accommodate the growing demand for bandwidth. However, the provision of these features is subject to a robust...
2.
Ma Y, Ren J, Liu B, Mao Y, Ma Y, Wu X, et al.
Opt Lett
. 2024 Nov;
49(22):6513-6516.
PMID: 39546707
This study aims to present a simplified bit-class probabilistic shaping (PS) strategy based on power domain multiplexing (PDM) systems. In this scheme, we employ bit-weighted distribution matching (BWDM) to achieve...
3.
Tang X, Ren J, Liu B, Mao Y, Wu X, Song X, et al.
Opt Express
. 2024 Nov;
32(16):28112-28129.
PMID: 39538634
A low-complexity two-stage carrier phase recovery (CPR) scheme based on principal component reconstruction analysis and optimal decision maximum likelihood (PCRA-OML) is proposed for probabilistic shaping (PS)-M quadrature amplitude modulation (QAM)...
4.
Xu D, Liu B, Ren J, Mao Y, Wu X, Song X, et al.
Opt Express
. 2024 Nov;
32(15):25619-25631.
PMID: 39538448
The present work introduces a four-dimensional probability constellation mapping OFDM optical transmission system based on a two-dimensional inverse fast Fourier transform (2D-IFFT). A four-dimensional constellation structure employing color coding is...
5.
Rehan I, Khan S, Ullah R
Appl Spectrosc
. 2024 Sep;
78(11):1154-1163.
PMID: 39233644
Diabetes mellitus is a prevalent chronic disease necessitating timely identification for effective management. This paper introduces a reliable, straightforward, and efficient method for the minimally invasive identification of diabetes mellitus...
6.
Ren J, Liu B, Wu M, Mao Y, Chen S, Song X, et al.
Opt Lett
. 2024 Aug;
49(15):4250-4253.
PMID: 39090906
A joint constellation shaping (JCS) three-dimensional (3D) 16-ary modulation scheme constructed with a pair of common-bottomed trigonal cones (CBTC) as primitives is proposed. Compared to the 3D traditional constellation (TC)...
7.
Wei X, Wang W, Yin Q, Li H, Ahmed A, Ullah R, et al.
Int J Mol Sci
. 2024 Jul;
25(14).
PMID: 39063039
Acute myeloid leukemia (AML) is characterized by the abnormal proliferation and differentiation arrest of myeloid progenitor cells. The clinical treatment of AML remains challenging. Promoting AML cell differentiation is a...
8.
Ren J, Guo Z, Liu B, Wang C, Sang B, Wang K, et al.
Opt Express
. 2024 Jun;
32(12):21258-21268.
PMID: 38859484
In this paper, we propose a high-security space division multiplexing optical transmission scheme based on constellation grid selective twisting, which adopts the Rossler chaos model for encrypting PDM-16QAM signals, being...
9.
Zha Y, Ren J, Liu B, Mao Y, Wu X, Ullah R, et al.
Opt Express
. 2024 Jun;
32(12):20515-20527.
PMID: 38859432
In this paper, we propose a method for training a key-enhanced chaotic sequence using the convolutional long short term memory neural network (CLSTM-NN) for secure transmission. This method can cope...
10.
Cui J, Liu B, Ren J, Mao Y, Wu X, Ullah R, et al.
Opt Express
. 2024 Jun;
32(11):19984-19998.
PMID: 38859118
This paper proposes a high-security multidimensional data protection system based on the Hartley algorithm-driven chaotic scheme. We utilize the fast Hartley algorithm instead of the fast fourier computation, and we...