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In a wireless network, gathering information at the base station about mobile users based only on uplink channel measurements is an interesting challenge. Indeed, accessing the users locations and predicting their downlink channels would be…

信号处理 · 电气工程与系统科学 2021-01-15 Luc Le Magoarou

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

网络与互联网体系结构 · 计算机科学 2020-07-14 Jeongsik Choi

This report investigates the application of deep reinforcement learning (DRL) algorithms for dynamic resource allocation in wireless communication systems. An environment that includes a base station, multiple antennas, and user equipment…

分布式、并行与集群计算 · 计算机科学 2025-03-14 Shubham Malhotra , Fnu Yashu , Muhammad Saqib , Dipkumar Mehta , Jagdish Jangid , Sachin Dixit

In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming at the base station (BS). The following persisting…

信号处理 · 电气工程与系统科学 2023-05-24 Yuwen Cao , Tomoaki Ohtsuki , Setareh Maghsudi , Tony Q. S. Quek

Reconfigurable intelligent surface (RIS) is a promising solution to deal with the blockage-sensitivity of millimeter wave band and reduce the high energy consumption caused by network densification. However, deploying large scale RISs may…

信息论 · 计算机科学 2024-02-12 Yining Xu , Sheng Zhou

Indoor localization systems are most commonly based on Received Signal Strength Indicator (RSSI) measurements of either WiFi or Bluetooth-Low-Energy (BLE) beacons. In such systems, the two most common techniques are trilateration and…

网络与互联网体系结构 · 计算机科学 2020-06-17 Ramdoot Pydipaty , Johnu George , Krishna Selvaraju , Amit Saha

Efficiently implementing remote sensing image classification with high spatial resolution imagery can provide a significant value in Land Use and Land Cover (LULC) classification. The new advances in remote sensing and deep learning…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Raoof Naushad , Tarunpreet Kaur , Ebrahim Ghaderpour

Precise indoor localization is an increasingly demanding requirement for various emerging applications, like Virtual/Augmented reality and personalized advertising. Current indoor environments are equipped with pluralities of WiFi access…

信号处理 · 电气工程与系统科学 2019-11-21 Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xiaojing Chen , George C. Alexandropoulos , Vincent K. N. Lau

We consider the problem of determining the host galaxies of radio sources by cross-identification. This has traditionally been done manually, which will be intractable for wide-area radio surveys like the Evolutionary Map of the Universe…

天体物理仪器与方法 · 物理学 2018-05-18 M. J. Alger , J. K. Banfield , C. S. Ong , L. Rudnick , O. I. Wong , C. Wolf , H. Andernach , R. P. Norris , S. S. Shabala

In the last decade, the rapid development of deep learning (DL) has made it possible to perform automatic, accurate, and robust Change Detection (CD) on large volumes of Remote Sensing Images (RSIs). However, despite advances in CD methods,…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Lei Ding , Danfeng Hong , Maofan Zhao , Hongruixuan Chen , Chenyu Li , Jie Deng , Naoto Yokoya , Lorenzo Bruzzone , Jocelyn Chanussot

Finding similar data in high-dimensional spaces is one of the important tasks in multimedia applications. Approaches introduced to find exact searching techniques often use tree-based index structures which are known to suffer from the…

数据库 · 计算机科学 2022-11-17 Omid Jafari , Parth Nagarkar

This paper deals with the problem of localization in a cellular network in a dense urban scenario. Global Navigation Satellite Systems (GNSS) typically perform poorly in urban environments, where the likelihood of line-of-sight conditions…

机器学习 · 计算机科学 2022-02-04 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

This paper presents a deep learning-based estimation of the intensity component of MultiSpectral bands by considering joint multiplication of the neighbouring spectral bands. This estimation is conducted as part of the component…

图像与视频处理 · 电气工程与系统科学 2021-02-09 Arian Azarang , Nasser Kehtarnavaz

The evolution of wireless mobile networks towards cloudification, where Radio Access Network (RAN) functions can be hosted at either a central or distributed locations, offers many benefits like low cost deployment, higher capacity, and…

网络与互联网体系结构 · 计算机科学 2023-11-08 Axel Grönland , Bleron Klaiqi , Xavier Gelabert

In cloud radio access networks (C-RANs), the baseband units and radio units of base stations are separated, which requires high-capacity fronthaul links connecting both parts. In this paper, we consider the delay-aware fronthaul allocation…

信息论 · 计算机科学 2015-03-02 Wei Wang , Vincent K. N. Lau , Mugen Peng

Embedding invisible hyperlinks or hidden codes in images to replace QR codes has become a hot topic recently. This technology requires first localizing the embedded region in the captured photos before decoding. Existing methods that train…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Chengxin Zhao , Hefei Ling , Sijing Xie , Nan Sun , Zongyi Li , Yuxuan Shi , Jiazhong Chen

We characterize the uplink (UL) and downlink (DL) rates of a full-duplex cloud radio access network (C-RAN) with all participate and single best remote radio head (RRH) association schemes. Specifically, multi-antenna equipped RRHs…

信息论 · 计算机科学 2016-06-03 Mohammadali Mohammadi , Himal A. Suraweera , Chintha Tellambura

In this paper, we present a high-performance and light-weight deep learning model for Remote Sensing Image Classification (RSIC), the task of identifying the aerial scene of a remote sensing image. To this end, we first valuate various…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Lam Pham , Cam Le , Dat Ngo , Anh Nguyen , Jasmin Lampert , Alexander Schindler , Ian McLoughlin

The cloud radio access network (C-RAN) is a promising network architecture for future mobile communications, and one practical hurdle for its large scale implementation is the stringent requirement of high capacity and low latency fronthaul…

信息论 · 计算机科学 2015-06-23 Xiongbin Rao , Vincent K. N. Lau

Intelligent reflecting surfaces (IRS) have been proposed in millimeter wave (mmWave) and terahertz (THz) systems to achieve both coverage and capacity enhancement, where the design of hybrid precoders, combiners, and the IRS typically…

信息论 · 计算机科学 2023-05-31 Shuntian Zheng , Sheng Wu , Chunxiao Jiang , Wei Zhang , Xiaojun Jing