Results 41 to 50 of about 420,618 (277)

Energy Optimization Algorithm in WSN Based on Shadow Fading Channel Modeling [PDF]

Jisuanji gongcheng, 2016
To improve the energy efficiency of Wireless Sensor Network(WSN),an energy utility optimization algorithm based on random probability statistics model analysis is proposed in this paper.The algorithm based on Gamma and the modified Bessel function ...
ZHANG Fei,GENG Hongqin
doaj   +1 more source

Error Analysis of Fixed-Gain AF Relaying with MRC Over Nakagami-m Fading Channels [PDF]

, 2016
This article investigates the error performance of wireless communication systems that employ binary modulations and Amplify-and-Forward (AF) relaying over flat Nakagami-m faded links with maximum ratio combining (MRC) at destination.
Alvi, S. H., Wyne, S.
core   +2 more sources

Performance analysis of UAV-based mixed underwater PLC-RF systems

Digital Communications and Networks
In this study, we analyzed the performance of an Unmanned Aerial Vehicle (UAV)-based mixed Underwater Power Line Communication-Radio Frequency (UPLC-RF) network.
Shenghai Chen, Liang Yang, Xianfu Lei
doaj   +1 more source

Virtual Spatial Modulation

IEEE Access, 2016
In this paper, we propose a virtual spatial modulation (VSM) scheme that performs index modulation on the virtual parallel channels resulting from the singular value decomposition of the multi-input-multi-output channels.
Jun Li, Miaowen Wen, Meng Zhang, Xiang Cheng   +3 more
doaj   +1 more source

Performance Analysis and Phase Shift Design of IRS-Aided Uplink OTFS-SCMA

IEEE Access, 2023
In this paper, we consider an intelligent reflecting surface (IRS)-aided orthogonal time frequency space (OTFS)-based uplink sparse code multiple access (SCMA) communications system.
Jiarui Li, Yi Hong
doaj   +1 more source

Performance Analysis of Dual-User Macrodiversity MIMO Systems with Linear Receivers in Flat Rayleigh Fading

, 2012
The performance of linear receivers in the presence of co-channel interference in Rayleigh channels is a fundamental problem in wireless communications.
Basnayaka, Dushyantha A., Martin, Philippa A., Smith, Peter J.   +2 more
core   +1 more source

Average bit-error rate analysis of an inter-satellite optical communication system under the effect of perturbations.

Optics Express
The benefits of higher data transmission rates, extensive communication frequency bandwidths, reduced power consumption, and enhanced anti-interference capabilities make inter-satellite optical communication (ISOC) a promising technology for the future ...
Yulong Zhu, Guanjun Xu, Min Gao, Hongjun Chu, Zhaohui Song   +4 more
semanticscholar   +1 more source

A Compressive Sensing Assisted Massive SM-VBLAST System: Error Probability and Capacity Analysis

IEEE Transactions on Wireless Communications, 2020
The concept of massive spatial modulation (SM) assisted vertical bell labs space-time (V-BLAST) (SM-VBLAST) system [1] is proposed, where SM symbols (instead of conventional constellation symbols) are mapped onto the VBLAST structure.
Lixia Xiao, P. Xiao, Zilong Liu, Wenjuan Yu, H. Haas, L. Hanzo   +5 more
semanticscholar   +1 more source

A Closed-Form Expression for the Exact Bit Error Probability for Viterbi Decoding of Convolutional Codes [PDF]

IEEE Transactions on Information Theory, 2011
In 1995, Best etal. published a formula for the exact bit error probability for Viterbi decoding of the rate R =1/2, memory m = 1 (two-state) convolutional encoder with generator matrix G(D) = (1 1 + D) when used to communicate over the binary symmetric ...
I. Bocharova, F. Hug, R. Johannesson, B. Kudryashov   +3 more
semanticscholar   +1 more source

All‐in‐One Analog AI Hardware: On‐Chip Training and Inference with Conductive‐Metal‐Oxide/HfOx ReRAM Devices

Advanced Functional Materials, EarlyView.
An all‐in‐one analog AI accelerator is presented, enabling on‐chip training, weight retention, and long‐term inference acceleration. It leverages a BEOL‐integrated CMO/HfOx ReRAM array with low‐voltage operation (<1.5 V), multi‐bit capability over 32 states, low programming noise (10 nS), and near‐ideal weight transfer.
Donato Francesco Falcone, Victoria Clerico, Wooseok Choi, Tommaso Stecconi, Folkert Horst, Laura Bégon‐Lours, Matteo Galetta, Antonio La Porta, Nikhil Garg, Fabien Alibart, Bert Jan Offrein, Valeria Bragaglia   +11 more
wiley   +1 more source