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This paper aims to analyze the stochastic performance of a multiple input multiple output (MIMO) integrated sensing and communication (ISAC) system in a downlink scenario, where a base station (BS) transmits a dual-functional…

Information Theory · Computer Science 2024-10-22 Marziyeh Soltani , Mahtab Mirmohseni , Rahim Tafazolli

This work investigates a bistatic OFDM-based integrated sensing and communication (ISAC) system under a single-target scenario, considering both line-of-sight (LOS) presence and LOS blockage cases. A sliding window-based sensing receiver…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Cuneyd Ozturk , Cagri Goken

We study multiple-input multiple-output (MIMO) based downlink heterogeneous cellular network (HetNets) with joint transmit-receive diversity using orthogonal space-time block codes at the base stations (BSs) and maximal-ratio combining…

Information Theory · Computer Science 2015-07-15 Ralph Tanbourgi , Harpreet S. Dhillon , Friedrich K. Jondral

A large number of heterogeneous wireless networks share the unlicensed spectrum designated as the ISM (Industry, Scientific, and Medicine) radio band. These networks do not adhere to a common medium access rule and differ in their…

Networking and Internet Architecture · Computer Science 2025-01-14 Zegeye Mekasha Kidane , Waltenegus Dargie

Applying integrated sensing and communication (ISAC) to a cell-free massive multiple-input multiple-output (CF mMIMO) architecture has attracted increasing attention. This approach equips CF mMIMO networks with sensing capabilities and…

Information Theory · Computer Science 2024-05-31 Yifei Fan , Shaochuan Wu , Xixi Bi , Guoyu Li

This letter analyzes the fundamental performance of integrated sensing and communications (ISAC) systems. For downlink and uplink ISAC, the diversity orders are analyzed to evaluate the communication rate (CR) and the high signal-to-noise…

Information Theory · Computer Science 2022-06-17 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

As the technical trends for the next-generation wireless network significantly extend the near-field region, a performance reevaluation of integrated sensing and communications (ISAC) with an appropriate channel model to account for the…

Information Theory · Computer Science 2024-04-16 Boqun Zhao , Chongjun Ouyang , Yuanwei Liu , Xingqi Zhang , H. Vincent Poor

In this paper, we study the equalization design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with insufficient cyclic prefix (CP). In particular, the signal detection performance is…

Information Theory · Computer Science 2020-07-24 Yan Sun , Chao Wang , Huan Cai , Chunming Zhao , Yiqun Wu , Yan Chen

Backscatter communication (BC) is a promising technique for future Internet-of-Things (IoT) owing to its low complexity, low cost, and potential for energy-efficient operation in sensor networks. There are several network infrastructure…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Ahmet Kaplan , Joao Vieira , Erik G. Larsson

Accurate channel estimation remains challenging in high-mobility wireless systems because Doppler shifts induce severe inter-carrier interference (ICI) in Orthogonal Frequency Division Multiplexing (OFDM). We propose an unsupervised online…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Bohao Shi , Tianfu Qi , Xiaonan Chen , Jun Wang

A novel mathematical framework is proposed to model Intersymbol Interference (ISI) phenomenon in wireless communication systems based on Orthogonal Frequency Division Multiplexing (OFDM) with or without cyclic prefix. The framework is based…

Signal Processing · Electrical Eng. & Systems 2019-08-26 Grzegorz Cisek , Tomasz P. Zieliński

Backscatter communication (BSC) is a promising solution for Internet-of-Things (IoT) connections due to its low-complexity, low-cost, and energy-efficient solution for sensors. There are several network infrastructure setups that can be…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Ahmet Kaplan , Joao Vieira , Erik G. Larsson

Dual function radar communication (DFRC) systems can achieve significant improvements in spectrum efficiency, system complexity and energy efficiency, and are attracting a lot of attention for next generation wireless system design. This…

Signal Processing · Electrical Eng. & Systems 2022-04-20 Zhaoyi Xu , Athina P. Petropulu

This technical report is divided into two parts. The first part of the technical report presents a novel framework for modeling the uplink and downlink intercell interference (ICI) in a multiuser cellular network. The proposed framework…

Information Theory · Computer Science 2012-06-14 Hina Tabassum , Ferkan Yilmaz , Zaher Dawy , Mohamed-Slim Alouini

Providing high-capacity radio connectivity for high-speed trains (HSTs) is one of the most important use cases of emerging 5G New Radio (NR) networks. In this article, we show that 5G NR technology can also facilitate high-accuracy…

Networking and Internet Architecture · Computer Science 2019-05-07 Jukka Talvitie , Toni Levanen , Mike Koivisto , Tero Ihalainen , Kari Pajukoski , Mikko Valkama

Uplink synchronization in orthogonal frequency-division multiple-access (OFDMA) systems is a challenging task. In IEEE 802.16-based networks, users that intend to establish a communication link with the base station must go through a…

Information Theory · Computer Science 2009-03-18 Michele Morelli , Luca Sanguinetti , H. Vincent Poor

This paper addresses the problem of frequency-domain inter-carrier interference (ICI) mitigation for differential orthogonal frequency-division multiplexing (OFDM) systems. The classical fractional fast Fourier transform (F-FFT), adopting…

Information Theory · Computer Science 2021-10-12 Jihui Qiu , Yuzhou Li , Yunlong Huang , Yimeng Wang , Lingyu Gu

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…

Information Theory · Computer Science 2025-09-10 Tianchen Liu , Yifei Liu , Liang Wu , Bo An , Zaichen Zhang , Jian Dang , Jiangzhou Wang

Integrated sensing and communication (ISAC) is a novel capability expected for sixth generation (6G) cellular networks. To that end, several challenges must be addressed to enable both mono- and bistatic sensing in existing deployments. A…

Signal Processing · Electrical Eng. & Systems 2024-10-22 Lucas Giroto de Oliveira , Yueheng Li , Benedikt Geiger , Laurent Schmalen , Thomas Zwick , Benjamin Nuss

This paper presents a novel framework for modeling the uplink intercell interference (ICI) in a multiuser cellular network. The proposed framework assists in quantifying the impact of various fading channel models and state-of-the-art…

Statistics Theory · Mathematics 2012-11-20 Hina Tabassum , Ferkan Yilmaz , Zaher Dawy , Mohamed-Slim Alouini