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您的检索式：作者名="Jinking Yue"
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| 1 | Channel Estimation for One-Bit Massive MIMO Based on Improved CGAN显示文摘In the one-bit massive multiple-input multiple-output(MIMO)channel scenario,the accurate channel estimation becomes more difficult because the signals received by the low-resolution analog-to-digital converters(ADC)are quantized and affected by channel noise.Therefore,a one-bit massive MIMO channel estimation method is proposed in this paper.The channel matrix is regarded as a two-dimensional image.In order to enhance the significance of noise features in the image and remove them,the channel attention mechanism is introduced into the conditional generative adversarial network(CGAN)to generate channel images,and im-prove the loss function.The simulation results show that the improved network can use a smaller number of pilots to obtain better channel estimation results.Under the same number of pilots and signal-to-noise ratio(SNR),the channel estimation accuracy can be improved by about 7.5 dB,and can adapt to the scenarios with more antennas. | Yongli An Jinking Yue Lei Chen Zhanlin Ji | 2022 | Journal of Communications and Information Networks2022，7，2： | 0 |
| 2 | Massive GGAAs in genomic repetitive sequences serve as a nuclear reservoir of NF-κB显示文摘Nuclear factor kB(NF-kB) is a DNA-binding transcription factor. Characterizing its genomic binding sites is crucial for understanding its gene regulatory function and mechanism in cells. This study characterized the binding sites of NF-kB ReIA/p65 in the tumor neurosis factor-a(TNFa) stimulated HeLa cells by a precise chromatin immunoprecipitation-sequencing(ChIP-seq). The results revealed that NF-kB binds nontraditional motifs(nt-motifs) containing conserved GGAA quadruplet. Moreover, nt-motifs mainly distribute in the peaks nearby centromeres that contain a larger number of repetitive elements such as satellite, simple repeats and short interspersed nuclear elements(SINEs). This intracellular binding pattern was then confirmed by the in vitro detection, indicating that NF-kB dimers can bind the nontraditional kB(nt-KB) sites with low affinity. However, this binding hardly activates transcription.This study thus deduced that NF-kB binding nt-motifs may realize functions other than gene regulation as NF-kB binding traditional motifs(t-motifs). To testify the deduction, many ChIP-seq data of other cell lines were then analyzed. The results indicate that NF-kB binding nt-motifs is also widely present in other cells. The ChIP-seq data analysis also revealed that nt-motifs more widely distribute in the peaks with low-fold enrichment. Importantly, it was also found that NF-kB binding nt-motifs is mainly present in the resting cells, whereas NF-kB binding t-motifs is mainly present in the stimulated cells. Aston?ishingly, no known function was enriched by the gene annotation of nt-motif peaks. Based on these results, this study proposed that the nt-KB sites that extensively distribute in larger numbers of repeat elements function as a nuclear reservoir of NF-kB. The nuclear NF-kB proteins stored at nt-KB sites in the resting cells may be recruited to the t-KB sites for regulating its target genes upon stimulation. | Jian Wu Qiao Wang Wei Dai Wei Wang Ming Yue Jinke Wang | 2018 | Journal of Genetics and Genomics2018，45，4： | 0 |
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