中文
相关论文

相关论文: Improved Estimation Accuracy in OFDM-based Joint C…

200 篇论文

Intelligent reflecting surface (IRS) is envisioned as a revolutionary technology for future wireless communication systems since it can intelligently change radio environment and integrate it into wireless communication optimization.…

信号处理 · 电气工程与系统科学 2021-01-05 Hongyu Li , Wenhao Cai , Yang Liu , Ming Li , Qian Liu , Qingqing Wu

State estimation for legged robots is challenging due to their highly dynamic motion and limitations imposed by sensor accuracy. By integrating Kalman filtering, optimization, and learning-based modalities, we propose a hybrid solution that…

机器人学 · 计算机科学 2024-04-30 Alexander Schperberg , Yusuke Tanaka , Saviz Mowlavi , Feng Xu , Bharathan Balaji , Dennis Hong

Initial ranging constitutes a part of the synchronization procedure employed by the wireless communication standards. This allows the base station (BS) to detect the subscriber stations (SS) that are willing to commence communication. In…

信息论 · 计算机科学 2015-05-25 Md Mashud Hyder , Kaushik Mahata

Particle filtering for target tracking using multi-input multi-output (MIMO) pulse-Doppler radars faces three long-standing obstacles: a) the absence of reliable likelihood models for raw radar data; b) the computational and statistical…

信号处理 · 电气工程与系统科学 2025-12-11 Shixiong Wang , Wei Dai , Geoffrey Ye Li

We propose a channel estimation scheme based on joint sparsity pattern learning (JSPL) for massive multi-input multi-output (MIMO) orthogonal time-frequency-space (OTFS) modulation aided systems. By exploiting the potential joint sparsity…

信号处理 · 电气工程与系统科学 2024-03-13 Kuo Meng , Shaoshi Yang , Xiao-Yang Wang , Yan Bu , Yurong Tang , Jianhua Zhang , Lajos Hanzo

In this paper, we investigate the joint spectrum sensing and resource allocation problem to maximize throughput capacity of an OFDM-based cognitive radio link with a cognitive relay. By applying a cognitive relay that uses decode and…

信息论 · 计算机科学 2015-11-16 S. Eman Mahmoodi , K. P. Subbalakshmi , R. Chandramouli , Bahman Abolhassani

Joint channel estimation and signal detection (JCESD) is crucial in orthogonal frequency division multiplexing (OFDM) systems, but traditional algorithms perform poorly in low signal-to-noise ratio (SNR) scenarios. Deep learning (DL)…

信号处理 · 电气工程与系统科学 2024-06-24 Haocheng Ju , Haimiao Zhang , Lin Li , Xiao Li , Bin Dong

In this letter, we study the problem of cooperative sensing design for an orthogonal frequency division multiplexing (OFDM) multiple base stations (MBS) system. We consider a practical scenario where the base stations (BSs) exploit certain…

信号处理 · 电气工程与系统科学 2025-07-02 Xinghe Li , Kainan Cheng , Hongzhi Guo , Huiyong Li , Ziyang Cheng

Time-interleaved ADCs (TI-ADCs) achieve high sampling rates by interleaving multiple sub-ADCs in parallel. Mismatch errors between the sub-ADCs, however, can significantly degrade the signal quality, which is a main performance bottleneck.…

信号处理 · 电气工程与系统科学 2025-10-14 Jiwon Sung , Jinseok Choi

Integrated Sensing and Communication (ISAC) requires the development of a waveform capable of efficiently supporting both communication and sensing functionalities. This paper proposes a novel waveform that combines the benefits of both the…

信号处理 · 电气工程与系统科学 2026-01-23 Pankaj Kumar , Mohammed El-Hajjar , Ibrahim A. Hemadeh , Yasser Mestrah , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

Intelligent reflecting surface (IRS) is a promising new technology for achieving both spectrum and energy efficient wireless communication systems in the future. However, existing works on IRS mainly consider frequency-flat channels and…

信息论 · 计算机科学 2019-11-25 Yifei Yang , Beixiong Zheng , Shuowen Zhang , Rui Zhang

This paper introduces a sensing-centric joint communication and millimeter-wave radar paradigm to facilitate collaboration among intelligent vehicles. We first propose a chirp waveform-based delay-Doppler quadrature amplitude modulation…

信号处理 · 电气工程与系统科学 2025-12-23 Zhuoran Li , Zhen Gao , Sheng Chen , Dusit Niyato , Zhaocheng Wang , George K. Karagiannidis

Pansharpening, a pivotal task in remote sensing for fusing high-resolution panchromatic and multispectral imagery, has garnered significant research interest. Recent advancements employing diffusion models based on stochastic differential…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Zihan Cao , Yu Zhong , Liang-Jian Deng

With the rapid deployment of the high speed railway (HSR), the wireless communication in HSR has been one of the indispensable scenarios in the fifth generation (5G) communications. In order to improve the performance of the orthogonal…

信息论 · 计算机科学 2019-02-27 Qing Tang , Hang Long , Haojun Yang , Yuli Li

The orthogonal time frequency space (OTFS) modulation as a promising signal representation attracts growingcinterest for integrated sensing and communication (ISAC), yet its merits over orthogonal frequency division multiplexing (OFDM)…

信号处理 · 电气工程与系统科学 2023-04-28 Bowen Wang , Jianchi Zhu , Xiaoming She , Peng Chen

Land vehicle navigation based on inertial navigation system (INS) and odometers is a classical autonomous navigation application and has been extensively studied over the past several decades. In this work, we seriously analyze the error…

机器人学 · 计算机科学 2021-09-21 Wei Ouyang , Yuanxin Wu , Hongyue Chen

This paper presents a linear complexity iterative rake detector for the recently proposed orthogonal time frequency space (OTFS) modulation scheme. The basic idea is to extract and combine the received multipath components of the…

信号处理 · 电气工程与系统科学 2020-01-30 Tharaj Thaj , Emanuele Viterbo

In this paper, we propose a radar odometry structure that directly utilizes radar velocity measurements for dead reckoning while maintaining its ability to update estimations within the Kalman filter framework. Specifically, we employ the…

机器人学 · 计算机科学 2024-12-30 Hoang Viet Do , Yong Hun Kim , Joo Han Lee , Min Ho Lee , Jin Woo Song

Dual-functional radar-communication (DFRC) has attracted considerable attention. This paper considers the frequency-selective multipath fading environment and proposes DFRC waveform design schemes based on multiple-input and multiple-output…

信息论 · 计算机科学 2025-09-10 Tianchen Liu , Yifei Liu , Liang Wu , Bo An , Zaichen Zhang , Jian Dang , Jiangzhou Wang

Joint communications and sensing is a promising 6G technology, and the challenge is how to integrate them efficiently. Existing frequency-division and time-division coexistence can hardly bring a gain of integration. Directly using…

信息论 · 计算机科学 2022-01-05 Yihua Ma , Zhifeng Yuan , Guanghui Yu , Shuqiang Xia , Liujun Hu
‹ 上一页 1 8 9 10 下一页 ›