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In this article, we address the problem of reducing the number of required samples for Spherical Near-Field Antenna Measurements (SNF) by using Compressed Sensing (CS). A condition to ensure the numerical performance of sparse recovery…

信息论 · 计算机科学 2023-02-10 Arya Bangun , Cosme Culotta-López

This study focuses on the mobile video delivery from a video server to a multi-homed client with a network of heterogeneous wireless. Joint Source-Channel Coding is effectively used to transmit video over bandwidth-limited, noisy wireless…

网络与互联网体系结构 · 计算机科学 2015-06-30 Xiaoyan Gao

Reduced-rank approach has been used for decades in robust linear estimation of both deterministic and random vector of parameters in linear model y=Hx+\sqrt{epsilon}n. In practical settings, estimation is frequently performed under…

最优化与控制 · 数学 2024-08-05 Tomasz Piotrowski , Isao Yamada

Sensor nodes in a wireless sensor network (WSN) for security surveillance applications should preferably be small, energy-efficient, and inexpensive with in-sensor computational abilities. An appropriate data processing scheme in the sensor…

This paper presents a wireless neural recording system featuring energy-efficient data compression and encryption. An ultra-high efficiency is achieved by leveraging compressed sensing (CS) for simultaneous data compression and encryption.…

信号处理 · 电气工程与系统科学 2021-03-02 Xilin Liu , Andrew G. Richardson , Jan Van der Spiegel

Correlation-based techniques used for frame synchronization can suffer significant performance degradation over multi-path frequency-selective channels. In this paper, we propose a joint frame synchronization and channel estimation (JFSCE)…

信号处理 · 电气工程与系统科学 2019-03-19 Özgür Özdemir , Chethan Kumar Anjinappa , Ridha Hamila , Naofal Al-Dhahir , İsmail Güvenç

Efficient data transmission across mobile multi-hop networks that connect edge devices to core servers presents significant challenges, particularly due to the variability in link qualities between wireless and wired segments. This…

信号处理 · 电气工程与系统科学 2025-01-28 Chenghong Bian , Yulin Shao , Deniz Gündüz

We propose an iterative decoding method, which we call turbo-CS, for the reception of concatenated source-channel encoded sparse signals transmitted over an AWGN channel. The turbo-CS encoder applies 1-bit compressed sensing as a source…

信息论 · 计算机科学 2016-11-23 Amin Movahed , Mark C. Reed , Shahriar Etemadi Tajbakhsh

We propose a novel hybrid joint source-channel coding (JSCC) scheme for robust image transmission over multi-hop networks. In the considered scenario, a mobile user wants to deliver an image to its destination over a mobile cellular…

信号处理 · 电气工程与系统科学 2024-02-09 Chenghong Bian , Yulin Shao , Deniz Gunduz

Reduced energy consumption in sensor nodes is one of the major challenges in Wireless Sensor Networks (WSNs) deployment. In this regard, Error Control Coding (ECC) is one of techniques used for energy optimization in WSNs. Similarly,…

网络与互联网体系结构 · 计算机科学 2013-03-20 Z. Abbas , N. Javaid , A. Javaid , Z. A. Khan , M. A. Khan , U. Qasim

Semantic communications are expected to accomplish various semantic tasks with relatively less spectrum resource by exploiting the semantic feature of source data. To simultaneously serve both the data transmission and semantic tasks, joint…

信息论 · 计算机科学 2023-08-15 Jianhao Huang , Dongxu Li , Chuan Huang , Xiaoqi Qin , Wei Zhang

Multi-agent systems (MAS) are a promising solution for autonomous exploration tasks in hazardous or remote environments, such as planetary surveys. In such settings, communication among agents is essential to ensure collaborative task…

信号处理 · 电气工程与系统科学 2025-10-21 Maximilian H. V. Tillmann , Ban-Sok Shin , Dmitriy Shutin , Armin Dekorsy

Wireless sensor nodes are powered by batteries, for which replacement is very difficult. That is why, optimization of energy consumption is a major objective in the area of wireless sensor networks (WSNs).On the other hand, noisy channel…

网络与互联网体系结构 · 计算机科学 2015-05-22 Rajoua Anane , Kosai Raoof , Ridha Bouallegue

The uplink achievable rate of massive multiple- input-multiple-output (MIMO) systems, where the low-resolution analog-to-digital converters (ADCs) are assumed to equip at the base station (BS), is investigated in this paper. We assume that…

信息论 · 计算机科学 2018-01-31 Kai Liu , Cheng Tao , Liu Liu , Yinsheng Liu

This paper analyzes the performance of multicell massive multiple-input and multiple-output (MIMO) systems with variable-resolution analog-to-digital converters (ADCs). In such an architecture, each ADC uses arbitrary quantization…

信息论 · 计算机科学 2021-09-21 Youzhi Xiong , Sanshan Sun , Ning Wei , Li Liu , Zhongpei Zhang

This work considers distributed sensing and transmission of sporadic random samples. Lower bounds are derived for the reconstruction error of a single normally or uniformly-distributed finite-dimensional vector imperfectly measured by a…

信息论 · 计算机科学 2015-11-20 Ayşe Ünsal , Raymond Knopp

In opportunistic cognitive radio networks, when the primary signal is very weak compared to the background noise, the secondary user requires long sensing time to achieve a reliable spectrum sensing performance, leading to little remaining…

信息论 · 计算机科学 2024-04-29 Jungang Ge , Ying-Chang Liang , Sumei Sun , Yonghong Zeng , Zhidong Bai

Utilizing intelligent reflecting surface (IRS) was proven to be efficient in improving the energy efficiency for wireless networks. In this paper, we investigate the passive beamforming and channel estimation for IRS assisted wireless…

信息论 · 计算机科学 2021-03-02 Jingnan Li , Rui Wang , Erwu Liu

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies for future wireless networks, which potentially need to operate in multiple frequency bands to satisfy ever-increasing demands for both…

信息论 · 计算机科学 2025-07-11 Nemanja Stefan Perović , Mark F. Flanagan , Le-Nam Tran

Recent advancements in information technology and the widespread use of the Internet have led to easier access to data worldwide. As a result, transmitting data through noisy channels is inevitable. Reducing the size of data and protecting…