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| 1 | Service-aware 6G:An intelligent and open network based on the convergence of communication,computing and caching显示文摘With the proliferation of the Internet of Things(IoT),various services are emerging with totally different features and requirements,which cannot be supported by the current fifth generation of mobile cellular networks(5G).The future sixth generation of mobile cellular networks(6G)is expected to have the capability to support new and unknown services with changing requirements.Hence,in addition to enhancing its capability by 10–100 times compared with 5G,6G should also be intelligent and open to adapt to the ever-changing services in the IoT,which requires a convergence of Communication,Computing and Caching(3C).Based on the analysis of the requirements of new services for 6G,this paper identifies key enabling technologies for an intelligent and open 6G network,all featured with 3C convergence.These technologies cover fundamental and emerging topics,including 3C-based spectrum management,radio channel construction,delay-aware transmission,wireless distributed computing,and network self-evolution.From the detailed analysis of these 3C-based technologies presented in this paper,we can see that although they are promising to enable an intelligent and open 6G,more efforts are needed to realize the expected 6G network. | Yiqing Zhou Ling Liu Lu Wang Ning Hui Xinyu Cui Jie Wu Yan Peng Yanli Qi Chengwen Xing | 2020 | Digital Communications and Networks2020，6，3： | 57 |
| 2 | Distributed Chunk-Based Optimization for MultiCarrier Ultra-Dense Networks显示文摘In this paper,a distributed chunkbased optimization algorithm is proposed for the resource allocation in broadband ultra-dense small cell networks.Based on the proposed algorithm,the power and subcarrier allocation problems are jointly optimized.In order to make the resource allocation suitable for large scale networks,the optimization problem is decomposed first based on an effective decomposition algorithm named optimal condition decomposition(OCD) algorithm.Furthermore,aiming at reducing implementation complexity,the subcarriers are divided into chunks and are allocated chunk by chunk.The simulation results show that the proposed algorithm achieves more superior performance than uniform power allocation scheme and Lagrange relaxation method,and then the proposed algorithm can strike a balance between the complexity and performance of the multi-carrier Ultra-Dense Networks. | GUO Shaozhen XING Chengwen FEI Zesong ZHOU Gui YAN Xinge | 2016 | China Communications2016，13，1： | 2 |
| 3 | P2X4 receptor and brain-derived neurotrophic factor in neuropathic pain显示文摘Objective:To investigate whether the activation of p38MAPK is involved in the neuropathic pain induced by P2X4 receptor,and the effects of activated P2X4 receptor and p38MAPK on expression of brain-derived neurotrophic factor (BDNF) in the chronic neuropathic pain.Methods:Lumbar intrathecal catheters were chronically implanted in male Sprague-Dawley rats.The right sciatic nerve was loosely ligated proximal to the sciatica's trifurcation at approximately 1.0 mm intervals with 4-0 silk sutures.The microglia inhibitor minocycline,P2X4 antagonist (TNP-ATP) and p38MAPK inhibitor (SB203580) were intrathecally administered every 12 h,3 d post-chronic constriction injury (CCI).Mechanical nociceptive thresholds were assessed with the paw withdrawal threshold (PWT) to von Frey filaments.The expression of P2X4 and BDNF were assessed by both immunohistochemical analysis and RT-PCR.Results:Intrathecal injection of minocycline or TNP-ATP or SB203580 significantly attenuated CCI-induced mechanical allodynia.The time courses of P2X4 receptor and BDNF expression were increased at all points after CCI and reached a peak level on postoperative d 7.Intrathecal injection of minocycline or TNP-ATP or SB203580 markedly suppressed the increase of CCI-induced P2X4 receptor and BDNF expression in the spinal cord.Conclusion:The activation of P2X4 receptor BDNF pathways contributes to neuropathic pain in CCI rats,and the activation of p38MAPK is involved in the neuropathic pain induced by P2X4 receptor. | Yan Xiaodi Zhou Shuangqiong Chen Qianbo Chen Chengwen Yuan Hongbin | 2010 | Journal of Medical Colleges of PLA(China)2010，25，5： | 2 |
| 4 | A meta-analysis of DNA repair gene XPC polymorphisms and cancer risk显示文摘 | Deqiang Zhang Chengwen Chen Xuping Fu Shaohua Gu Yumin Mao Yi Xie Yan Huang Yao Li | 2008 | Journal of Human Genetics2008，，1： | 1 |
| 5 | Iconic Indexing by 2-D Strings显示文摘 | CHANG Shikuo SHI Qingyun Yan Chengwen | 1987 | lEEK Transactions on Pattern Analysis and Machine Intelligence1987，9，3： | 1 |
| 6 | Benefit of rituximab maintenance is associated with Follicular Lymphoma International Prognostic Index in patients with follicular lymphoma显示文摘Rituximab maintenance(RM)prolongs the progression-free survival(PFS)of responding patients with follicular lymphoma(FL),but the maintenance efficacy in different Follicular Lymphoma International Prognostic Index(FLIPI)risk group is still confusing.We performed a retrospective analysis of the effect of RM treatments in patients with FL responding to induction therapy based on their FLIPI risk assessment carried out prior to treatment.We identified 93 patients between 2013 and 2019 who received RM every 3 months for≥4 doses(RM group),and 60 patients who did not accept RM or received rituximab less than 4 doses(control group).After a median follow-up of 39 months,neither median overall survival(OS)nor PFS was reached for the entire population.The PFS was significantly prolonged in the RM group compared to the control group(median PFS NA vs 83.1 months,P=.00027).When the population was divided into the 3 FLIPI risk groups,the PFS differed significantly(4-year PFS rates,97.5%vs 88.8%vs 72.3%,P=.01)according to group.There was no significant difference in PFS for FLIPI low-risk patients with RM compared to the control group(4-year PFS rates,100%vs 93.8%,P=.23).However,the PFS of the RM group was significantly prolonged for FLIPI intermediate-risk(4-year PFS rates,100%vs 70.3%,P=.00077)and high-risk patients(4-year PFS rates,86.7%vs 57.1%,P=.023).These data suggest that standard RM significantly prolongs the PFS of patients assigned to intermediate-and high-risk FLIPI groups but not to low-risk FLIPI group,and pending larger-scale studies to validate. | Ru Li Tingyu Wang Rui Lyv Yi Wang Ying Yu Yuting Yan Qi Sun Wenjie Xiong Wei Liu Weiwei Sui Wenyang Huang Huijun Wang Chengwen Li Jun Wang Dehui Zou Gang An Jianxiang Wang Lugui Qiu Shuhua Yi | 2023 | Blood Science2023，5，2： | 0 |
| 7 | Microstructure, Densification, Microhardness and Antioxidant Properties of Ti_2AlN/TiN FGM Fabricated by Hot-pressing显示文摘Ti2AlN/TiN functionally graded materials(FGM) were successfully fabricated by vacuum hotpressing. Bulk density of the sintered samples was measured by Archimedes principle. The sample sintered at 1 300 ℃ for 2h has the maximum final density and lowest open porosity. SEM coupled with EDS was utilized to investigate the phase composition and microstructure, and well-formed boundary was found between the layers. The microhardness tests suggest that Vickers' hardness of Ti2AlN/TiN FGM increases monotonically with the volume fraction content of TiN increases. Corrosion results are that the corrosion resistance of Ti2AlN/TiN FGM is much better than that of Ti2AlN in acid, but quite the opposite in alkali. Constant temperature oxidation study shows that the oxidation kinetics of Ti2AlN/TiN FGM at 900 °C follows the parabolic law closely. | 陈艳林 LI Zongyu TANG Jun ZENG Chengwen GAO Wei XIONG Yan 严明 | 2014 | Journal of Wuhan University of Technology(Materials Science)2014，29，6： | 0 |
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