Results 101 to 110 of about 159,611 (219)

Hydrogen Bonding Denticity Governs Surface Modulation in Inorganic Perovskite Nanocrystals

Small, EarlyView.
Organic cations with distinct hydrogen‐bonding denticities enable systematic modulation of perovskite nanocrystal surfaces. Increasing denticity from mono‐dentate MA+ to bi‐dentate FA+ and multi‐dentate GA+ strengthens interactions with surface iodides, effectively suppressing surface defects.
Jiaxin Song, Gyeong Eun Seok, Junsu Son, Woo Hyeon Jeong, Dong Gyu Lee, Sung Woo Jang, Xinyu Shen, Gayoung Seo, Zhongkai Yu, Dongyeong Gim, Jongmin Choi, Won Bin Im, Tae Kyung Lee, Minjeong Ha, Bo Ram Lee   +14 more
wiley   +1 more source

Linear Minimum Error Probability Detection for Massive MU-MIMO with Imperfect CSI in URLLC

, 2019
© 1967-2012 IEEE. It is challenging to realize ultra-reliable and low latency communications (URLLC) under severe shadow fading and imperfect channel state information (CSI).
Beaulieu, NC, Liu, RP, Lv, T, Guo, YJ, Zeng, J, Su, X   +5 more
core   +1 more source

Outage Analysis of Partial Relay Selection Schemes with Feedback Delay and Channel Estimation Errors in Nonidentical Rayleigh Fading Channels

International Journal of Antennas and Propagation, 2017
This paper investigates the impact of the channel estimation error and outdated channel state information (CSI) on the outage performances of partial relay selection (PRS) and efficient partial relay selection (EPRS).
Jung-Bin Kim, In-Ho Lee
doaj   +1 more source

From Assemblies to Institutions and Back Again? Cycles of Democracy and Representation in the Spanish Labour Movement

British Journal of Industrial Relations, EarlyView.
ABSTRACT Despite growing interest in union renewal, worker voice and new forms of labour organisation, industrial relations scholarship has paid limited attention to assemblies as an organisational form in their own right. This article argues that assemblies constitute a historically recurring democratic repertoire through which workers negotiate the ...
Martí López‐Andreu
wiley   +1 more source

Clinicopathological and molecular heterogeneity of amyloid‐β in unnatural deaths under 70 years: A forensic autopsy–based study

Brain Pathology, EarlyView.
This study investigates amyloid‐beta (Aβ) pathology in a forensic autopsy cohort of relatively young individuals (40–69 years). Using detailed immunohistochemical analyses of multiple Aβ species, we demonstrate marked regional and molecular heterogeneity, particularly within the striatum.
Shojiro Ichimata, Yukiko Hata, Koji Yoshida, Ryo Tanaka, Shigeo Murayama   +4 more
wiley   +1 more source

AOSNP‐ADAPTR resource level‐based recommendations on practical diagnostic strategies for medulloblastomas and other embryonal tumors

Brain Pathology, EarlyView.
Resource level‐based recommendations on practical diagnostic strategies for medulloblastomas and other CNS embryonal tumors are provided. Abstract WHO CNS5 mandates integrated histo‐molecular classification of medulloblastomas (MBs) and other CNS embryonal tumors. However, advanced molecular diagnostics remain inaccessible in many low‐ and lower‐middle‐
Chitra Sarkar, Maysa Al‐Hussaini, Vani Santosh, Vaishali Suri, Sung‐Hye Park, Yue‐Shan Piao, Tarik Tihan, Ho‐Keung Ng, Michael Buckland, Rakesh Jalali, Yonehiro Kanemura, Pieter Wesseling, Takashi Komori   +12 more
wiley   +1 more source

Design of Deep Learning-Based Beamforming for mm-Wave Massive MIMO Systems

Applied System Innovation
Millimeter-wave (mm-Wave) massive MIMO systems enable high data rates but face significant challenges due to the limited number of radio-frequency (RF) chains and imperfect channel state information (CSI).
Srinivasa Rao Reddi, P. Rajesh Kumar
doaj   +1 more source

Performance of variable-power adaptive modulation with space-time coding and imperfect CSI in MIMO systems

, 2009
The performance analysis of multi-input-multi-output (MIMO) systems with M-ary quadrature amplitude modulation (MQAM) and a space-time block code (STBC) over flat Rayleigh fading channels for imperfect channel state information (CSI) is presented.
Yu, Xiangbin, Mow, Wai Ho, Leung, Shu Hung, Wong, Wai Kai   +3 more
core   +1 more source

Trade Policy Uncertainty, Innovation Performance and Stock Price Crash Risk: Evidence From the Backbone of Corporate China

Economics &Politics, EarlyView.
ABSTRACT This study focuses on the exposure of leading Chinese firms to stock price crash risk amid the heightened policy uncertainty and geopolitical hostility of the US–China trade war. We find that Chinese multinationals with ex ante outward investments in the United States through cross‐border M&A or green field projects exhibit lower stock price ...
Yanguang (Alice) Liu, Yankuo Qiao, Fengyuan Xi   +2 more
wiley   +1 more source

Robust interference alignment algorithm for cognitive MIMO interference network

Tongxin xuebao, 2016
A robust interference alignment algorithm was proposed for underlay cognitive MIMO interference network with imperfect channel-state information (CSI).Firstly,imperfect CSI was characterized by Euclidean ball-shaped uncer-tainty,based on which the ...
Shi-lei ZHU, You ZHOU, Xiu-kun REN, Han-ying HU   +3 more
doaj   +2 more sources