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相关论文: Siamese Neural Networks for Wireless Positioning a…

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We present a neural network architecture for jointly learning user locations and environment mapping up to isometry, in an unsupervised way, from channel state information (CSI) values with no location information. The model is based on an…

Convolutional Siamese neural networks have been recently used to track objects using deep features. Siamese architecture can achieve real time speed, however it is still difficult to find a Siamese architecture that maintains the…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Mohamed H. Abdelpakey , Mohamed S. Shehata , Mostafa M. Mohamed

In this paper, we present a novel siamese motion-aware network (SiamMan) for visual tracking, which consists of the siamese feature extraction subnetwork, followed by the classification, regression, and localization branches in parallel.…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Wenzhang Zhou , Longyin Wen , Libo Zhang , Dawei Du , Tiejian Luo , Yanjun Wu

Channel charting has emerged as a powerful tool for user equipment localization and wireless environment sensing. Its efficacy lies in mapping high-dimensional channel data into low-dimensional features that preserve the relative…

信号处理 · 电气工程与系统科学 2025-09-17 Ge Chen , Panqi Chen , Lei Cheng

Observing that Semantic features learned in an image classification task and Appearance features learned in a similarity matching task complement each other, we build a twofold Siamese network, named SA-Siam, for real-time object tracking.…

计算机视觉与模式识别 · 计算机科学 2018-02-27 Anfeng He , Chong Luo , Xinmei Tian , Wenjun Zeng

The optimal scheduling of interfering links in a dense wireless network with full frequency reuse is a challenging task. The traditional method involves first estimating all the interfering channel strengths then optimizing the scheduling…

信号处理 · 电气工程与系统科学 2021-02-05 Wei Cui , Kaiming Shen , Wei Yu

Acquiring accurate channel state information (CSI) at an access point (AP) is challenging for wideband millimeter wave (mmWave) ultra-massive multiple-input and multiple-output (UMMIMO) systems, due to the high-dimensional channel matrices,…

信息论 · 计算机科学 2024-03-20 Kuiyu Wang , Zhen Gao , Sheng Chen , Boyu Ning , Gaojie Chen , Yu Su , Zhaocheng Wang , H. Vincent Poor

In frequency division duplex (FDD) multiple-input multiple-output (MIMO) wireless communication systems, the acquisition of downlink channel state information (CSI) is essential for maximizing spatial resource utilization and improving…

信号处理 · 电气工程与系统科学 2025-04-16 Yiran Guo , Wei Chen , Bo Ai

In this paper, we consider people counting and localization systems exploiting channel state information (CSI) measured from commodity WiFi network interface cards (NICs). While CSI has useful information of amplitude and phase to describe…

信息论 · 计算机科学 2026-05-01 Jihoon Cha , Hwanjin Kim , Junil Choi

When Unmanned Aerial Vehicles (UAVs) perform high-precision communication tasks, such as searching for users and providing emergency coverage, positioning errors between base stations and users make it challenging to deploy trajectory…

信号处理 · 电气工程与系统科学 2025-12-18 Chiya Zhang , Ting Wang , Chunlong He

The objective of channel charting is to learn a virtual map of the radio environment from high-dimensional CSI that is acquired by a multi-antenna wireless system. Since, in static environments, CSI is a function of the transmitter…

信号处理 · 电气工程与系统科学 2022-06-22 Florian Euchner , Phillip Stephan , Marc Gauger , Sebastian Dörner , Stephan ten Brink

This paper presents a novel channel estimation technique for the multi-user massive multiple-input multiple-output (MU-mMIMO) systems using angular-based hybrid precoding (AB-HP). The proposed channel estimation technique generates…

信息论 · 计算机科学 2022-02-01 Xiaoyi Zhu , Asil Koc , Robert Morawski , Tho Le-Ngoc

In multiple-input multiple-output (MIMO) systems, the high-resolution channel information (CSI) is required at the base station (BS) to ensure optimal performance, especially in the case of multi-user MIMO (MU-MIMO) systems. In the absence…

信息论 · 计算机科学 2022-02-04 Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Caleb Lo , Juho Lee , Jianzhong Zhang

MmWave communications aim to meet the demand for higher data rates by using highly directional beams with access to larger bandwidth. An inherent challenge is acquiring channel state information (CSI) necessary for mmWave transmission. We…

信号处理 · 电气工程与系统科学 2020-01-01 Nancy Ronquillo , Sung-En Chiu , Tara Javidi

Localization of wireless transmitters based on channel state information (CSI) fingerprinting finds widespread use in indoor as well as outdoor scenarios. Fingerprinting localization first builds a database containing CSI with measured…

信号处理 · 电气工程与系统科学 2019-12-03 Larry Tang , Ramina Ghods , Christoph Studer

Machine learning techniques have shown remarkable accuracy in localization tasks, but their dependency on vast amounts of labeled data, particularly Channel State Information (CSI) and corresponding coordinates, remains a bottleneck.…

信号处理 · 电气工程与系统科学 2024-04-25 Ankan Dash , Jingyi Gu , Guiling Wang , Nirwan Ansari

Channel fingerprint (CF) is considered a key enabler for facilitating the acquisition of channel state information (CSI) in massive multiple-input multiple-output (MIMO) communication systems. In this work, we investigate a novel type of CF…

机器学习 · 计算机科学 2026-05-01 Zhenzhou Jin , Li You , Xiang-Gen Xia , Xiqi Gao

This work presents a date-driven user localization framework for single-site massive Multiple-Input-Multiple-Output (MIMO) systems. The framework is trained on a geo-tagged Channel State Information (CSI) dataset. Unlike the…

信号处理 · 电气工程与系统科学 2023-04-25 Katarina Vuckovic , Farzam Hejazi , Nazanin Rahnavard

This paper investigates the downlink channel state information (CSI) sensing in 5G heterogeneous networks composed of user equipments (UEs) with different feedback capabilities. We aim to enhance the CSI accuracy of UEs only affording the…

信息论 · 计算机科学 2024-10-28 Lei Li , Xing Zeng , Ya-Feng Liu , Yanqing Xu , Tsung-Hui Chang

Accurate channel state information (CSI) acquisition is essential for modern wireless systems, which becomes increasingly difficult under large antenna arrays, strict pilot overhead constraints, and diverse deployment environments. Existing…

信息论 · 计算机科学 2026-03-17 Xingyu Zhou , Le Liang , Hao Ye , Jing Zhang , Chao-Kai Wen , Shi Jin