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Provisioning of QoS Adaptability in Wired-Wireless Integrated Networks
Mian Guo,Shengming Jiang,Quansheng Guan,Huachao Mao 한국통신학회 2013 Journal of communications and networks Vol.15 No.1
The increasing number of mobile users and the popularity of real-time applications make wired-wireless integrated network extremely attractive. In this case, quality of service (QoS)adaptability is particularly important since some important features of the integrated network call for QoS adaptability, such as mobility, bursty applications and so on. Traditional QoS schemes include integrated service (IntServ) and differentiated service (DiffSev) as well as their variants. However, they are not able to balance well between scalability and QoS granularity. For example,IntServ faces the scalability problem, while DiffServ can only provide coarse granular QoS. In addition, they are also unable to efficiently support QoS adaptability. Therefore, a per-packet differentiated queueing service (DQS) was proposed. DQS was originally proposed to balance between scalability and QoS granularity in wired networks and then extended to wireless networks. This paper mainly discusses how to use DQS to support QoS adaptability in wired-wireless integrated networks. To this end, we propose a scheme to determine dynamic delay bounds, which is the key step to implement DQS to support QoS adaptability. Simulation studies along with some discussions are further conducted to investigate the QoS adaptability of the proposed scheme, especially in terms of its support of QoS adaptability to mobility and to bursty real-time applications.
Mian Xie,Xiaojun Wu,Jinjun Zhang,Chaosheng He,Shenhai Wei,Junyao Huang,Xinge Fu,Yingying Gu 대한암학회 2018 Cancer Research and Treatment Vol.50 No.4
Purpose Adenoid cystic carcinoma (ACC) of the trachea and bronchus is a rare tumor. Although MYBNFIB oncogene fusion and Notch1 mutation have been identified in ACC, little is known about the expression and clinical significance of Notch1 and its target gene fatty acid binding protein 7 (FABP7) in tracheobronchial ACC. Materials and Methods Primary tracheobronchial ACC that were resected between 1998 and 2014 were identified through the pathology and oncology database from five thoracic oncology centers in China. A tissue array was constructed from the patients’ samples and the expressions of Notch1 and FABP7 were evaluated by immunohistochemistry. The association between the expression of both markers and survival was determined. Results Overexpression of Notch1 and FABP7, detected in 37.8% and 38.3% of 368 patients with tracheobronchial ACC, respectively, was an independent prognostic indicator for recurrencefree survival (RFS) by multivariable Cox proportional hazard model (p=0.032 and p=0.048, respectively). Overexpression of Notch1, but not of FABP7, predicted overall survival (OS) (p=0.018). When categorized into four groups according to coexpression of Notch1 and FABP7, patients with overexpression of both Notch1 and FABP7 belonged to the group with the shortest RFS and OS (p=0.01 and p=0.048, respectively). Conclusion Expression of Notch1 and FABP7, and coexpression of Notch1 and FABP7, is strongly associated with poor survival in resected tracheobronchial ACC. These data are consistent with the hypothesis that poor differentiation of tracheobronchial ACC correlates with the activation of Notch signaling.
Mian Ashfaq Ali,김창준,김상호,Abdul Manan Khan,Junaid Iqbal,Mohammad Zuhaib Khalil,임동환,한창수 제어·로봇·시스템학회 2017 International Journal of Control, Automation, and Vol.15 No.2
This article proposes an automatic longitudinal deceleration based method for multi-wheel vehiclerollover safety in autonomous mode. The information of lateral acceleration and vehicle roll angle is used togenerate the longitudinal acceleration at which the vehicle will remain stable to rollover. The lateral and roll dynamicsare coupled with longitudinal dynamics using a potential field function for lateral acceleration. This virtualpotential field is developed on g-g diagram which represents vehicle portrait of lateral and longitudinal accelerationon abscissa and ordinate respectively. The motion of vehicle is represented by a point moving on this phase portraitof g-g diagram. TruckSim model of multi-wheel military vehicle with in-wheel motors is used with this algorithmwhich shows that the vehicle is less susceptible to rollover. The safe longitudinal acceleration is achieved by torquecontrol of in-wheel motors fitted in each wheel. Using this method, the vehicle followed the desired trajectory ashigher speeds which are safe. This is particularly useful for vehicle autonomous driving with rollover stability.
Mian, Shabeer Ahmad,Yang, Li-Ming,Saha, Leton Chandra,Ahmed, E.,Ajmal, Muhammad,Ganz, Eric American Chemical Society 2014 Langmuir Vol.30 No.23
<P>Mussels have a remarkable ability to bond to solid surfaces under water. From a microscopic perspective, the first step of this process is the adsorption of dopa molecules to the solid surface. In fact, it is the catechol part of the dopa molecule that is interacting with the surface. These molecules are able to make reversible bonds to a wide range of materials, even underwater. Previous experimental and theoretical efforts have produced only a limited understanding of the mechanism and quantitative details of the competitive adsorption of catechol and water on hydrophilic silica surfaces. In this work, we uncover the nature of this competitive absorption by atomic scale modeling of water and catechol adsorbed at the geminal (001) silica surface using density functional theory calculations. We find that catechol molecules displace preadsorbed water molecules and bond directly on the silica surface. Using molecular dynamics simulations, we observe this process in detail. We also calculate the interaction force as a function of distance, and observe a maximum of 0.5 nN of attraction. The catechol has a binding energy of 23 kcal/mol onto the silica surface with adsorbed water molecules.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/langd5/2014/langd5.2014.30.issue-23/la500800f/production/images/medium/la-2014-00800f_0011.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/la500800f'>ACS Electronic Supporting Info</A></P>
( Mian Wang ),( Mingna Chen ),( Zhen Yang ),( Na Chen ),( Xiaoyuan Chi ),( Lijuan Pan ),( Tong Wang ),( Shanlin Yu ),( Xingqi Guo ) 한국균학회 2017 Mycobiology Vol.45 No.4
Peanut yield and quality are seriously affected by pod rot pathogens worldwide, especially in China in recent years. The goals of this study are to analyze the structure of fungal communities of peanut pod rot in soil in three peanut cultivars and the correlation of pod rot with environmental variables using 454 pyrosequencing. A total of 46,723 internal transcribed spacer high-quality sequences were obtained and grouped into 1,706 operational taxonomic units at the 97% similarity cut-off level. The coverage, rank abundance, and the Chao 1 and Shannon diversity indices of the operational taxonomic units were analyzed. Members of the phylum Ascomycota were dominant, such as Fusarium, Chaetomium, Alternaria, and Sordariomycetes, followed by Basidiomycota. The results of the heatmap and redundancy analysis revealed significant variation in the composition of the fungal community among the three cultivar samples. The environmental conditions in different peanut cultivars may also influence on the structure of the fungal community. The results of this study suggest that the causal agent of peanut pod rot may be more complex, and cultivars and environmental conditions are both important contributors to the community structure of peanut pod rot fungi.