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Coexistence between cellular systems and Wi-Fi gained the attention of the research community when LTE License Assisted Access (LAA) entered the unlicensed band. The recent introduction of NR-U as part of 5G introduces new coexistence…

网络与互联网体系结构 · 计算机科学 2021-12-03 Katarzyna Kosek-Szott , Alice Lo Valvo , Szymon Szott , Pierluigi Gallo , Ilenia Tinnirello

Identifying line-of-sight (LOS) and non-LOS (NLOS) channel conditions can improve the performance of many wireless applications, such as signal strength-based localization algorithms. For this purpose, channel state information (CSI)…

网络与互联网体系结构 · 计算机科学 2017-12-12 Jeong-Sik Choi , Woong-Hee Lee , Jae-Hyun Lee , Jong-Ho Lee , Seong-Cheol Kim

Deep learning inference that needs to largely take place on the 'edge' is a highly computational and memory intensive workload, making it intractable for low-power, embedded platforms such as mobile nodes and remote security applications.…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Andres Ussa , Chockalingam Senthil Rajen , Deepak Singla , Jyotibdha Acharya , Gideon Fu Chuanrong , Arindam Basu , Bharath Ramesh

In this paper, we study the problem of joint wideband spectrum sensing and direction-of-arrival (DoA) estimation in a sub-Nyquist sampling framework. Specifically, considering a scenario where a few uncorrelated narrowband signals spread…

信号处理 · 电气工程与系统科学 2019-10-01 Feiyu Wang , Jun Fang , Huiping Duan , Hongbin Li

The emergence of extremely large-scale antenna arrays (ELAA) in millimeter-wave (mmWave) communications, particularly in high-mobility scenarios, highlights the importance of near-field beam prediction. Unlike the conventional far-field…

信号处理 · 电气工程与系统科学 2025-10-28 Wang Liu , Cunhua Pan , Hong Ren , Wei Zhang , Cheng-Xiang Wang , Jiangzhou Wang

As a green MIMO structure, massive H$^2$AD is viewed as a potential technology for the future 6G wireless network. For such a structure, it is a challenging task to design a low-complexity and high-performance fusion of target direction…

信号处理 · 电气工程与系统科学 2025-07-01 Feng Shu , Jiatong Bai , Di Wu , Wei Zhu , Bin Deng , Fuhui Zhou , Jiangzhou Wang

Load balancing (LB) is a challenging issue in the hybrid light fidelity (LiFi) and wireless fidelity (WiFi) networks (HLWNets), due to the nature of heterogeneous access points (APs). Machine learning has the potential to provide a…

信号处理 · 电气工程与系统科学 2022-08-11 Han Ji , Qiang Wang , Stephen J. Redmond , Iman Tavakkolnia , Xiping Wu

We study decentralized estimation of time-varying signals at a fusion center, when energy harvesting sensors transmit sampled data over rate-constrained links. We propose dynamic strategies to select radio parameters, sampling set, and…

信号处理 · 电气工程与系统科学 2020-08-05 C. Battiloro , P. Di Lorenzo , P. Banelli , S. Barbarossa

The paper presents a spatio-temporal wind speed forecasting algorithm using Deep Learning (DL)and in particular, Recurrent Neural Networks(RNNs). Motivated by recent advances in renewable energy integration and smart grids, we apply our…

机器学习 · 计算机科学 2017-07-27 Amir Ghaderi , Borhan M. Sanandaji , Faezeh Ghaderi

Recurrent neural networks (RNNs) have shown significant improvements in recent years for speech enhancement. However, the model complexity and inference time cost of RNNs are much higher than deep feed-forward neural networks (DNNs).…

声音 · 计算机科学 2020-11-12 Cunhang Fan , Bin Liu , Jianhua Tao , Jiangyan Yi , Zhengqi Wen , Leichao Song

Sub-10cm diameter nano-drones are gaining momentum thanks to their applicability in scenarios prevented to bigger flying drones, such as in narrow environments and close to humans. However, their tiny form factor also brings their major…

In this paper, we propose a frequency synchronization scheme for multiuser orthogonal frequency division multiplexing (OFDM) uplink with a large-scale uniform linear array (ULA) at base station (BS) by exploiting the angle information of…

信息论 · 计算机科学 2017-03-14 Weile Zhang , Feifei Gao , Shi Jin , Hai Lin

Envisioned as a promising component of the future wireless Internet-of-Things (IoT) networks, the non-orthogonal multiple access (NOMA) technique can support massive connectivity with a significantly increased spectral efficiency.…

信息论 · 计算机科学 2020-07-28 Yuxin Lu , Peng Cheng , Zhuo Chen , Wai Ho Mow , Yonghui Li , Branka Vucetic

This paper explores the issue of enabling Ultra-Reliable Low-Latency Communications (URLLC) in view of the spatio-temporal correlations that characterize real 5th generation (5G) Industrial Internet of Things (IIoT) networks. In this…

网络与互联网体系结构 · 计算机科学 2023-02-27 Sara Cavallero , Nicole Sarcone Grande , Francesco Pase , Marco Giordani , Joseph Eichinger , Roberto Verdone , Michele Zorzi

Channel Coding has been one of the central disciplines driving the success stories of current generation LTE systems and beyond. In particular, turbo codes are mostly used for cellular and other applications where a reliable data transfer…

信号处理 · 电气工程与系统科学 2018-11-30 Raja Sattiraju , Andreas Weinand , Hans D. Schotten

One key communication block in 5G and 6G radios is the active phased array (APA). To ensure reliable operation, efficient and timely fault diagnosis of APAs on-site is crucial. To date, fault diagnosis has relied on measurement of frequency…

信号处理 · 电气工程与系统科学 2023-06-08 Martin H. Nielsen , Yufeng Zhang , Changbin Xue , Jian Ren , Yingzeng Yin , Ming Shen , Gert F. Pedersen

Convolutional neural network (CNN) offers significant accuracy in image detection. To implement image detection using CNN in the internet of things (IoT) devices, a streaming hardware accelerator is proposed. The proposed accelerator…

计算机视觉与模式识别 · 计算机科学 2017-07-12 Li Du , Yuan Du , Yilei Li , Mau-Chung Frank Chang

THz band enabled large scale massive MIMO (M-MIMO) is considered as a key enabler for the 6G technology, given its enormous bandwidth and for its low latency connectivity. In the large-scale M-MIMO configuration, enlarged array aperture and…

信息论 · 计算机科学 2024-09-26 Pulok Tarafder , Imtiaz Ahmed , Danda B. Rawat , Ramesh Annavajjala , Kumar Vijay Mishra

This work provides a generalized performance analysis for the multi-user uplink-NOMA system with adaptive square quadrature amplitude modulation (QAM) over Rayleigh fading channels. Motivated by the massive IoT connections and…

信息论 · 计算机科学 2022-04-29 Hichem Semira , Ferdi Kara , Hakan Kaya , Halim Yanikomeroglu

With the rapid development of future wireless communication, the combination of NOMA technology and millimeter-wave(mmWave) technology has become a research hotspot. The application of NOMA in mmWave heterogeneous networks can meet the…

信息论 · 计算机科学 2020-06-23 Haijun Zhang , Haisen Zhang , Keping Long , George K. Karagiannidis
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