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Planning Optimization of the Distributed Antenna System in High-Speed Railway Communication Network Based on Improved Cuckoo Search

The network planning is a key factor that directly affects the performance of the wireless networks. Distributed antenna system (DAS) is an effective strategy for the network planning. This paper investigates the antenna deployment in a DAS for the high-speed railway communication networks and formulates an optimization problem which is NP-hard for achieving the optimal...

Planning Optimization of the Distributed Antenna System in High-Speed Railway Communication Network Based on Improved Cuckoo Search

May 2018 Academic Editor: Luciano Tarricone Copyright © 2018 Zhaoyu Chen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted

Cystatin C as a potential therapeutic mediator against Parkinson’s disease via VEGF-induced angiogenesis and enhanced neuronal autophagy in neurovascular units

Cystatin C (CYS C, Cst3) is an endogenous cysteine protease inhibitor that plays neuroprotective roles in neurodegenerative diseases. We aimed to explore the association of CYS C with Parkinson’s disease (PD) models and investigate its involvement in the role of neurovascular units (NVUs) in PD neuro-pathogenesis. We used A53T α-synuclein (SNCA) transgenic mice and 6...

TLR4 Signaling in MPP

there is no conflict of interests. Authors’ Contribution Peng Zhou, Ruihui Weng, Zhaoyu Chen, Ying Xia, and Qing Wang conceived and designed the experiments. Peng Zhou, Yanping Wang, Jing Zou, Jinchi Liao ... , and Qing Wang performed the experiments. Peng Zhou, Xu Liu, Rui Wang, and Qing Wang analyzed the data. Peng Zhou, Ying Xia, and Qing Wang wrote the paper. Peng Zhou, Ruihui Weng, and Zhaoyu Chen

Flat-spectrum radio quasars from the SDSS DR3 quasar catalogue

We constructed a sample of 185 flat-spectrum radio quasars (FSRQs) by cross-correlating Shen et al.'s Sloan Digital Sky Survey Data Release 3 (SDSS DR3) X-ray quasar sample with the Faint Images of the Radio Sky at Twenty Centimeters (FIRST) and Green Bank 6-cm survey (GB6) radio catalogues. From the spectral energy distribution (SED) constructed using multi-band (radio, UV...

MBH–σ relation in Sloan Digital Sky Survey flat-spectrum radio quasars

The relationship between the black hole mass and velocity dispersion indicated with [O iii] linewidth is investigated for a sample of 87 flat-spectrum radio quasars selected from the Sloan Digital Sky Survey Data Release 3 quasar catalogue. We found that the MBH−σ[O III] relation is different from the Tremaine et al. relation for nearby inactive galaxies, with a larger black hole...