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An index coding scheme in which the source (transmitter) transmits binary symbols over a wireless fading channel is considered. Index codes with the transmitter using minimum number of transmissions are known as optimal index codes.…

信息论 · 计算机科学 2015-04-14 Anoop Thomas , Kavitha R. , Chandramouli A. , B. Sundar Rajan

Unmanned aerial vehicles (UAVs) are increasingly deployed in mission-critical applications such as target tracking, where they must simultaneously sense dynamic environments, ensure reliable communication, and achieve precise control. A key…

信号处理 · 电气工程与系统科学 2026-02-06 Zhiyu Chen , Ming-Min Zhao , Songfu Cai , Ming Lei , Min-Jian Zhao

Narrowband interference can severely degrade the performance of WiFi links by concentrating significant power on a small portion of the channel. Machine learning (ML) detectors trained on baseband I/Q samples can identify the affected…

信号处理 · 电气工程与系统科学 2026-05-05 Xin Su , Meiyi Zhu , Osvaldo Simeone , Marco Di Renzo , Carlo Fischione

Pilot contamination has been regarded as the main bottleneck in time division duplexing (TDD) multi-cell massive multiple-input multiple-output (MIMO) systems. The pilot contamination problem cannot be addressed with large-scale antenna…

信号处理 · 电气工程与系统科学 2017-11-10 Xun Zou , Hamid Jafarkhani

Physical layer security has recently been regarded as an emerging technique to complement and improve the communication security in future wireless networks. The current research and development in physical layer security is often based on…

信息论 · 计算机科学 2013-10-02 Biao He , Xiangyun Zhou

In this paper, superimposed pilots are introduced as an alternative to time-multiplexed pilot and data symbols for mitigating pilot contamination in massive multiple-input multiple-output (MIMO) systems. We propose a non-iterative scheme…

信息论 · 计算机科学 2017-08-09 Karthik Upadhya , Sergiy A. Vorobyov , Mikko Vehkapera

This paper considers a co-design problem for industrial networked control systems to ensure both the stability and efficiency properties of such systems. The assurance of such properties is particularly challenging due to the fact that…

系统与控制 · 电气工程与系统科学 2020-12-01 Bin Hu , Tua A. Tamba

Predictive coding networks are neuroscience-inspired models with roots in both Bayesian statistics and neuroscience. Training such models, however, is quite inefficient and unstable. In this work, we show how by simply changing the temporal…

The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which can be easily implemented on most practical coded modulation…

信息论 · 计算机科学 2016-11-17 Pablo Piantanida , Sajad Sadough , Pierre Duhamel

We adapt a recent algorithm by Ghaffari [SODA'16] for computing a Maximal Independent Set in the LOCAL model, so that it works in the significantly weaker BEEP model. For networks with maximum degree $\Delta$, our algorithm terminates…

分布式、并行与集群计算 · 计算机科学 2017-04-25 Stephan Holzer , Nancy Lynch

Wireless communications are particularly vulnerable to eavesdropping attacks due to their broadcast nature. To effectively deal with eavesdroppers, existing security techniques usually require accurate channel state information (CSI), e.g.,…

In this paper, we investigate a cell-free massive multiple-input and multiple-output (MIMO)-enabled integration communication, computation, and sensing (ICCS) system, aiming to minimize the maximum computation latency to guarantee the…

信号处理 · 电气工程与系统科学 2025-02-25 Qihao Peng , Qu Luo , Zheng Chu , Zihuai Lin , Maged Elkashlan , Pei Xiao , George K. Karagiannidis , Christos Masouros

This paper presents a novel approach to achieving secure wireless communication by leveraging the inherent characteristics of wireless channels through end-to-end learning using a single-input-multiple-output (SIMO) autoencoder (AE). To…

信号处理 · 电气工程与系统科学 2024-08-13 Abdullahi Mohammad , Mahmoud Tukur Kabir , Mikko Valkama , Bo Tan

In this study, we propose two schemes for uplink control channels based on non-contiguous complementary sequences (CSs) where the peak-to-average-power ratio (PAPR) of the resulting orthogonal frequency division multiplexing (OFDM) signal…

信息论 · 计算机科学 2019-04-03 Alphan Şahin , Rui Yang

Perception modules are integral in many modern autonomous systems, but their accuracy can be subject to the vagaries of the environment. In this paper, we propose a learning-based approach that can automatically characterize the error of a…

机器人学 · 计算机科学 2024-03-05 Dawei Sun , Benjamin C. Yang , Sayan Mitra

Cell-free massive MIMO is one of the core technologies for future wireless networks. It is expected to bring enormous benefits, including ultra-high reliability, data throughput, energy efficiency, and uniform coverage. As a radically…

信息论 · 计算机科学 2023-03-08 Hengtao He , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

This paper investigates the design of spatially coupled low-density parity-check (SC-LDPC) codes constructed from connected-chain ensembles for bit-interleaved coded modulation (BICM) schemes. For short coupling lengths, connecting multiple…

信息论 · 计算机科学 2021-07-08 Yihuan Liao , Min Qiu , Jinhong Yuan

Establishing a secure connection between wireless devices has become significantly important with the increasing number of Wi-Fi products coming to the market. In order to provide an easy and secure pairing standard, the Wi-Fi Alliance has…

密码学与安全 · 计算机科学 2023-11-28 Aleksandar Manev

Integrated sensing and communication (ISAC) is a key enabler for future radio networks. This paper presents a sub-band full-duplex (SBFD) ISAC system that assigns non-overlapping OFDM subbands to sensing and communication, enabling…

信号处理 · 电气工程与系统科学 2026-02-03 Bixing Yan , Kwadwo Mensah Obeng Afrane , Achiel Colpaert , Andre Kokkeler , Sofie Pollin , Yang Miao

In this paper, we look into the issue of intra-cell uplink (UL) pilot orthogonalization and schemes for mitigating the inter-cell pilot contamination with a realistic massive multi-input multi-output (MIMO) orthogonal frequency-division…

信息论 · 计算机科学 2016-07-27 Xiliang Luo , Xiaoyu Zhang , Hua Qian , Kai Kang