Now showing items 16438-16457 of 22534

    • A q-polynomial approach to cyclic codes 

      Ding, Cunsheng; Ling, San (2013)
      Cyclic codes have been an interesting topic of both mathematics and engineering for decades. They are prominently used in consumer electronics, data transmission technologies, broadcast systems, and computer applications. ...
    • Q-switched neodymium-doped Y3Al5O12-based silica fiber laser 

      Yoo, Seongwoo; Webb, A. S.; Standish, R. J.; May-Smith, T. C.; Sahu, Jayanta Kumar (2012)
      We present pulsed laser operation in a Nd-doped, Y 3 Al 5 O 12 -based silica fiber. The fiber was fabricated using the rod-in-tube technique with a Nd:YAG crystal rod as the core material and a silica tube for the cladding ...
    • Qatar & 2022 world cup : driving the engine of change 

      James M. Dorsey (2014)
      Under pressure in its preparations for the 2022 World Cup, Qatar is undertaking socio-economic reforms that could spark social change. They could also force changes in other Guff states to meet global demands for transparency ...
    • Qatar's challenge to Saudi Arabia : an alternative view of Wahhabism 

      Dorsey, James M. (2013)
      Qatar, whose native population adheres to the Wahhabi creed, poses a major challenge to the puritanical interpretation of Islam of Saudi Arabia, which seeks to make itself impervious to the push for greater freedom, ...
    • Qatar’s surprising transfer of power : how will tamim rule? 

      James M. Dorsey (2013)
      Qatar witnessed a surprising transfer of power from its visionary emir to his son in a development that is rare in the Middle East. Will the peaceful and voluntary change of leadership set a new precedent in a region where ...
    • The QCD mass gap and quark deconfinement scales as mass bounds in strong gravity 

      Burikham, Piyabut; Harko, Tiberiu; Lake, Matthew James (2017)
      Though not a part of mainstream physics, Salam’s theory of strong gravity remains a viable effective model for the description of strong interactions in the gauge singlet sector of QCD, capable of producing particle ...
    • QE-2 : is it the right move? 

      J. Soedradjad Djiwandono (2010)
      The US Federal Reserve Bank (Fed) has decided to increase liquidity through quantitative easing of US$ 600 billion from now to June 2011. What is QE, why does the Fed resort to it and what are the implications?
    • QE3 and Asia : concerns over new monetary easings 

      J. Soedradjad Djiwandono (2012)
      Quantitative easing in different forms have recently been resorted to by the US Federal Reserve (Fedres), the European Central Bank (ECB) and the Bank of Japan (BoJ) to rescue their respective economies from prolonged ...
    • qFibrosis: A fully-quantitative innovative method incorporating histological features to facilitate accurate fibrosis scoring in animal model and chronic hepatitis B patients 

      Xu, Shuoyu; Wang, Yan; Tai, Dean C.S.; Wang, Shi; Cheng, Chee Leong; Peng, Qiwen; Yan, Jie; Chen, Yongpeng; Sun, Jian; Liang, Xieer; Zhu, Youfu; Rajapakse, Jagath Chandana; Welsch, Roy E.; So, Peter T.C.; Wee, Aileen; Hou, Jinlin; Yu, Hanry (2014)
      Background & Aims: There is increasing need for accurate assessment of liver fibrosis/cirrhosis. We aimed to develop qFibrosis, a fully-automated assessment method combining quantification of histopathological architectural ...
    • QM/MM modeling of environmental effects on electronic transitions of the FMO complex 

      Gao, Junkuo; Shi, Wu-Jun; Ye, Jun; Wang, Xiaoqing; Hirao, Hajime; Zhao, Yang (2013)
      The Fenna–Matthews–Oslon (FMO) light harvesting pigment–protein complex in green sulfur bacteria transfers the excitation energy from absorbed sunlight to the reaction center with almost 100% quantum efficiency. The ...
    • QoE analysis for scalable video adaptation 

      Li, Maodong; Chen, Zhenzhong; Tan, Yap Peng (2012)
      Quality of Experience (QoE) serves as a key service goal in video applications. In this paper, we study the QoE issue in scalable video adaptation by constructing a subjective video quality assessment database based on the ...
    • QoE-aware resource allocation for scalable video transmission over multiuser MIMO-OFDM systems 

      Li, Maodong; Chen, Zhenzhong; Tan, Yap Peng (2012)
      We investigate in this paper how to maximize multiuser Quality of Experience (QoE) when scalable videos are transmitted over Multiple-Input Multiple-Output (MIMO)-Orthogonal Frequency Division Multiplexing (OFDM) systems. ...
    • QoE-driven cache management for HTTP adaptive bit rate (ABR) streaming over wireless networks 

      Zhang, Weiwen; Wen, Yonggang; Chen, Zhenzhong; Khisti, Ashish (2012)
      In this paper, we investigate the problem of how to cache a set of media files with optimal streaming rates, under HTTP adaptive bit rate streaming over wireless networks. The design objective is to achieve the optimal ...
    • QoE-enabled unlicensed spectrum sharing in 5G : a game-theoretic approach 

      Bairagi, Anupam Kumar; Abedin, Sarder Fakhrul; Tran, Nguyen H.; Niyato, Dusit; Hong, Choong Seon (2018)
      Spectrum sharing is an important aspect of 5G new radio, as it plays a complementary role for fulfilling diversified service requirements. This paper studies unlicensed spectrum sharing, namely, local thermal equilibrium ...
    • QoS based spectrum decision framework for cognitive radio networks 

      Mishra, Vishram; Lau, Chiew Tong; Chan, Syin (2012)
      Recently cognitive radio has gained considerable interest by wireless communication researchers as a viable mean to solve the spectrum utilization problem. The advancement in this area has met with many challenges including ...
    • QoS guaranteed resource block allocation algorithm in LTE downlink 

      Zhao, Liqun; Qin, Yang; Ma, Maode; Zhong, Xiaoxiong; Li, Li (2012)
      Long term evolution (LTE) is the next generation wireless communication network which is an all-IP based system. Nowadays, more and more kinds of services are being transmitted on wireless communication network with different ...
    • A QoS oriented vertical handoff scheme for WiMAX/WLAN overlay networks 

      Ma, Dong; Ma, Maode (2012)
      Recently, a number of wireless communication technologies are migrating toward heterogeneous overlay networks. The integration of Mobile WiMAX and WLAN seems to be a promising approach due to their homogeneous nature and ...
    • QoS provisioning by power control for video communication via satellite links 

      Ma, Ting; Lee, Yee Hui; Winkler, Stefan; Ma, Maode (2015)
      Video transmissions over satellite links are sensitive to signal fades because of rain, especially in the tropics. We performed a video-streaming experiment over a satellite link for 24 days distributed over 1 year to ...
    • QoS-aware cell association in 5G heterogeneous networks with massive MIMO 

      Wang, Ping; Song, Wei; Niyato, Dusit; Xiao, Yong (2015)
      5G cellular networks aim to improve the connection speed to ensure ultra-low latency (e.g., to support real-time video streaming service) through heterogeneous environments. HetNets composed of different types of cells ...
    • QoS-aware load-balancing algorithm for heterogeneous wireless networks 

      Jiao, Yi; Yi, Ke-chu; Ma, Mao-de; Ma, Ying-hong; Dong, Xu (2013)
      For efficient network resources dispatching in heterogeneous wireless network scenarios, a Quality of Service (QoS) aware load-balancing algorithm was proposed. Based on the characteristics of different wireless services, ...