Impact of Mode Selection on the Performance of D2D-Unlicensed Communications

Author(s):  
Ganggui Wang ◽  
Celimuge Wu ◽  
Tsutomu Yoshinaga ◽  
Rui Yin
Keyword(s):  
2019 ◽  
Vol 31 (1) ◽  
pp. 158
Author(s):  
Xiuzhi Yang ◽  
Min Zhao ◽  
Longzhao Shi ◽  
Zhifeng Chen ◽  
Mingkui Zheng

Electronics ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 985
Author(s):  
Junaid Tariq ◽  
Ammar Armghan ◽  
Fayadh Alenezi ◽  
Amir Ijaz ◽  
Saad Rehman ◽  
...  

High-Efficiency Video Coding (HEVC) applies 35 intra modes to every block of a frame and selects the mode that gives the best prediction. This brute-force nature of HEVC makes it complex and unfit for real-time applications. Therefore, a fast intra-mode estimation algorithm is presented here based on the classic World War II (WW2) technique known as the ‘German Tanks Problem’ (GTP). This not only is the first article to use GTP for early estimation of intra mode, but also expedites the estimation process of GTP. Secondly, the various elements of the intra process are efficiently mapped to the elements of GTP estimation. Finally, the two variations of GPT are modeled and are also minimum-variance estimates. These experimental results indicate that proposed GTP-based fast estimation reduced the compression time of HEVC from 23.88% to 31.44%.


2021 ◽  
Vol 1969 (1) ◽  
pp. 012062
Author(s):  
Pataparambath Noyalraj Shanu ◽  
Subramaniam Senthilkumar

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Andrew M. J. Edwards ◽  
Élfego Ruiz-Gutiérrez ◽  
Michael I. Newton ◽  
Glen McHale ◽  
Gary G. Wells ◽  
...  

AbstractThe breakup of a slender filament of liquid driven by surface tension is a classical fluid dynamics stability problem that is important in many situations where fine droplets are required. When the filament is resting on a flat solid surface which imposes wetting conditions the subtle interplay with the fluid dynamics makes the instability pathways and mode selection difficult to predict. Here, we show how controlling the static and dynamic wetting of a surface can lead to repeatable switching between a toroidal film of an electrically insulating liquid and patterns of droplets of well-defined dimensions confined to a ring geometry. Mode selection between instability pathways to these different final states is achieved by dielectrophoresis forces selectively polarising the dipoles at the solid-liquid interface and so changing both the mobility of the contact line and the partial wetting of the topologically distinct liquid domains. Our results provide insights into the wetting and stability of shaped liquid filaments in simple and complex geometries relevant to applications ranging from printing to digital microfluidic devices.


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