16 research outputs found
Secured green communication scheme for interference alignment based networks
In this paper, a new security and green communication scheme is proposed to the Interference-Alignment (IA) based networks. To achieve a secured communication, full-duplex receivers are utilized to transmit artificial noise (AN). Both the signals and the ANs are used to harvest energy to realize green communication. For these reasons, the feasible conditions of this scheme are analyzed first. Secondly, the average transmission rate, the secrecy performance and the harvested energy are investigated. Thirdly, an optimization scheme of simultaneous wireless information and power transfer (SWIPT) is given to optimize the information transmission and the energy harvesting efficiency. Meanwhile, an improved IA iteration algorithm is designed to eliminate both the AN and the interference. Furthermore, relay cooperation is considered and its system performance is analyzed. The simulations show that the target average transmission rate is not affected by AN, while the secrecy performance can be greatly improved. The energy harvesting efficiency is also better than the traditional schemes. As expected, the average transmission rate further is improved with the relay cooperation
A novel community driven software for functional enrichment analysis of extracellular vesicles data.
Bioinformatics tools are imperative for the in depth analysis of heterogeneous high-throughput data. Most of the software tools are developed by specific laboratories or groups or companies wherein they are designed to perform the required analysis for the group. However, such software tools may fail to capture "what the community needs in a tool". Here, we describe a novel community-driven approach to build a comprehensive functional enrichment analysis tool. Using the existing FunRich tool as a template, we invited researchers to request additional features and/or changes. Remarkably, with the enthusiastic participation of the community, we were able to implement 90% of the requested features. FunRich enables plugin for extracellular vesicles wherein users can download and analyse data from Vesiclepedia database. By involving researchers early through community needs software development, we believe that comprehensive analysis tools can be developed in various scientific disciplines
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One-Pot Synthesis of Copper Sulfide Nanowires/Reduced Graphene Oxide Nanocomposites with Excellent Lithium-Storage Properties as Anode Materials for Lithium-Ion Batteries.
Copper sulfide nanowires/reduced graphene oxide (CuSNWs/rGO) nanocompsites are successfully synthesized via a facile one-pot and template-free solution method in a dimethyl sulfoxide (DMSO)-ethyl glycol (EG) mixed solvent. It is noteworthy that the precursor plays a crucial role in the formation of the nanocomposites structure. SEM, TEM, XRD, IR and Raman spectroscopy are used to investigate the morphological and structural evolution of CuSNWs/rGO nanocomposites. The as-fabricated CuSNWs/rGO nanocompsites show remarkably improved Li-storage performance, excellent cycling stability as well as high-rate capability compared with pristine CuS nanowires. It obtains a reversible capacity of 620 mAh g(-1) at 0.5C (1C = 560 mA g(-1)) after 100 cycles and 320 mAh g(-1) at a high current rate of 4C even after 430 cycles. The excellent lithium storage performance is ascribed to the synergistic effect between CuS nanowires and rGO nanosheets. The as-formed CuSNWs/rGO nanocomposites can effectively accommodate large volume changes, supply a 2D conducting network and trap the polysulfides generated during the conversion reaction of CuS
Recommended from our members
One-Pot Synthesis of Copper Sulfide Nanowires/Reduced Graphene Oxide Nanocomposites with Excellent Lithium-Storage Properties as Anode Materials for Lithium-Ion Batteries
Copper
sulfide nanowires/reduced graphene oxide (CuSNWs/rGO) nanocompsites
are successfully synthesized via a facile one-pot and template-free
solution method in a dimethyl sulfoxide (DMSO)–ethyl glycol
(EG) mixed solvent. It is noteworthy that the precursor plays a crucial
role in the formation of the nanocomposites structure. SEM, TEM, XRD,
IR and Raman spectroscopy are used to investigate the morphological
and structural evolution of CuSNWs/rGO nanocomposites. The as-fabricated
CuSNWs/rGO nanocompsites show remarkably improved Li-storage performance,
excellent cycling stability as well as high-rate capability compared
with pristine CuS nanowires. It obtains a reversible capacity of 620
mAh g<sup>–1</sup> at 0.5C (1C = 560 mA g<sup>–1</sup>) after 100 cycles and 320 mAh g<sup>–1</sup> at a high current
rate of 4C even after 430 cycles. The excellent lithium storage performance
is ascribed to the synergistic effect between CuS nanowires and rGO
nanosheets. The as-formed CuSNWs/rGO nanocomposites can effectively
accommodate large volume changes, supply a 2D conducting network and
trap the polysulfides generated during the conversion reaction of
CuS