Search Results - "Zhifeng, Yuan"

Multi-User Shared Access for Internet of Things by Zhifeng Yuan, Guanghui Yu, Weimin Li, Yifei Yuan, Xinhui Wang, Jun Xu

“…Internet of things (IoT) is widely expected to be an important scenario in the fifth generation (5G) wireless network. Major challenges of IoT include the low…”
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On Uplink Non-Orthogonal Multiple Access for 5G：Opportunities and Challenges by Tian, Li, Yan, Chunlin, Li, Weimin, Yuan, Zhifeng, Cao, Wei, Yuan, Yifei

“…In this paper, the concept of grant-free non-orthogonal multiple access （NOMA）for uplink data transmission is elaborated.NOMA in combination with grant-free…”
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6G New Multiple Access Technology by Yifei Yuan, Yongpeng Wu, Lei Wang, Zhifeng Yuan, Wei Bai, Yuanwei Liu

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Blind Multi-User Detection for Autonomous Grant-Free High-Overloading Multiple-Access without Reference Signal by Yuan, Zhifeng, Hu, Yuzhou, Li, Weimin, Dai, Jianqiang

“…In this paper, a novel blind multi-user detection( MUD) framework for autonomous grant-free(AGF) high-overloading non-orthogonal multiple access(NOMA) is…”
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Pb Single Atoms Enable Unprecedented Catalytic Behavior for the Combustion of Energetic Materials by Qu, Wengang, Niu, Shiyao, Sun, Da, Gao, Hongxu, Wu, Yishang, Yuan, Zhifeng, Chen, Xueli, Wang, Ying, An, Ting, Wang, Gongming, Zhao, Fengqi

“…Manipulating the thermal decomposition behavior of energetic materials is the key to further pushing the combustion performance of solid rocket propellants…”
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Theory-driven design of graphene-nickel gallate nanocomplex as functional catalyst for composite modified double base propellant by Zhang, Ming, Zhao, Fengqi, Song, Xiuduo, Yuan, Zhifeng, An, Ting, Yang, Yanjing, Wang, Ying, Chen, Xueli

“…New graphene-nickel gallate nanocomplex (G-M-Ni) was designed, synthesized and characterized to deal with the requirement of functional combustion catalyst…”
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Insight into graphene-salen metal nanocomposites on combustion performance and mechanism of HMX-CMDB propellant by Zhang, Ming, Zhao, Fengqi, Li, Hui, Yuan, Zhifeng, Dong, Shuai, Wang, Ying, Chen, Xueli, Yang, Yanjing, Song, Xiuduo, Jiang, Zhoufeng

“…Catalytic properties of graphene-salen metal nanocomposites and the mechanism of optimization catalyst S-792-Ni for HMX-CMDB propellant combustion were…”
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Improving ignition and combustion performance of Al@Ni in CMDB Propellants: Effect of nickel coating by Zhang, Jiankan, Zhao, Fengqi, Li, Hui, Yuan, Zhifeng, Zhang, Ming, Yang, Yanjing, Pei, Qing, Wang, Ying, Chen, Xueli, Qin, Zhao

“…The excellent reduction in mean size of the condensed combustion products validate the potential of Al@Ni as a high efficiency fuel for HMX-CMDB propellants…”
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Reinforced combustion of the ZrH2-HMX-CMDB propellant: The critical role of hydrogen by Yang, Yanjing, Zhao, Fengqi, Huang, Xuefeng, Zhang, Jiankan, Chen, Xueli, Yuan, Zhifeng, Wang, Ying, Li, Hui, Li, Shengji

“…[Display omitted] •The application of ZrH2 in CMDB propellants was investigated for the first time.•The combustion mechanism of ZrH2 both itself and in…”
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Exploration of TKX-50-M (M=Pb, Bi and Cu) as insensitive high-energy combustion catalysts of HMX-CMDB propellant by Zhang, Ming, An, Ting, Song, Xiuduo, Zhao, Fengqi, Yao, Ergang, Xue, Yongqiang, Wang, Ying, Chen, Xueli, Yuan, Zhifeng, Xiao, Libai

“…The TKX-50-M (M=Pb, Bi and Cu) were designed, synthesized and applicated in HMX-CMDB propellant to deal with the long-standing contradiction between safety and…”
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Highly Efficient Waveform Design and Hybrid Duplex for Joint Communication and Sensing by Ma, Yihua, Yuan, Zhifeng, Xia, Shuqiang, Yu, Guanghui, Hu, Liujun

“…Joint communication and sensing (JCAS) is a very promising 6G technology, which attracts more and more research attention. Compared with communication, radar…”
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Connection-free transmission for critical MTC by Zhigang, Li, Zhifeng, Yuan, Yihua, Ma, Chulong, Liang

“…In this paper, a contention-based connection-free transmission scheme is proposed to meet the stringent requirements of ultra-reliability and low-latency for…”
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Novel Solutions to NOMA-Based Modern Random Access for 6G-Enabled IoT by Ma, Yihua, Yuan, Zhifeng, Li, Weimin, Li, Zhigang

“…Modern random access avoids scheduling overheads and greatly improves the transmission efficiency of small packets. The major challenge is the random…”
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LMMSE Processing for Cell-free Massive MIMO with Radio Stripes and MRC Fronthaul by Yuan, Zhifeng, Ma, Yihua, Yu, Guanghui

“…Cell-free massive multi-input multi-output (MIMO) provides ubiquitous connectivity for multiple users. Compared with co-located massive MIMO, the major cost…”
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Decoupling and Wide-angle Scanning Design of A Millimeter-wave Phased Array Using Square-ring Metasurface by Wang, Zhengbiao, Tu, Zhi-Hong, Yuan, Zhifeng, Chen, Fu-Chang

“…A wide-angle scanning millimeter-wave (mm-wave) phased array using square-ring metasurface (SRMS) is presented in this letter. SRMS not only improves the…”
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PDRS: A Fast Non-Iterative Scheme for Massive Grant-Free Access in Massive MIMO by Ma, Yihua, Yuan, Zhifeng, Li, Weimin, Li, Zhigang

“…Grant-free multiple-input multiple-output (MIMO) usually employs non-orthogonal pilots for joint user detection and channel estimation. However, existing…”
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Guest editorial: 6G new multiple access technology by Yuan, Yifei, Wu, Yongpeng, Wang, Lei, Yuan, Zhifeng, Bai, Wei, Liu, Yuanwei

“…As a basic technology at physical layer of mobile communications, non-orthogonal multiple access has been attracting wide attention across the academia and the…”
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Blind Multiple User Detection for Grant-Free MUSA without Reference Signal by Yuan, Zhifeng, Yan, Chunlin, Yuan, Yifei, Li, Weimin

“…In this paper, a blind multiple user detection for multi-user shared access systems (MUSA) is introduced for massive machine type communication (mMTC). Without…”
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Contention-based Grant-free Transmission with Extremely Sparse Orthogonal Pilot Scheme by Yuan, Zhifeng, Li, Zhigang, Li, Weimin, Ma, Yihua, Liang, Chulong

“…Due to the limited number of traditional orthogonal pilots, pilot collision will severely degrade the performance of contention-based grant-free transmission…”
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Contention-based Grant-free Transmission with Independent Multi-pilot Scheme by Yuan, Zhifeng, Li, Weimin, Li, Zhigang, Ma, Yihua, Hu, Yuzhou

“…Contention-based grant-free transmission is very promising for future massive machine-type communication (mMTC). In contention-based transmission, the random…”
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