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In this paper, we study resource allocation for a full-duplex (FD) radio base station serving multiple half-duplex (HD) downlink and uplink users simultaneously. The considered resource allocation algorithm design is formulated as a…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Yan Sun , Robert Schober

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

信息论 · 计算机科学 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

Within the wireless mesh network, a bottleneck problem arises as the number of concurrent traffic flows (NCTF) increases over a single common control channel, as it is for most conventional networks. To alleviate this problem, this paper…

网络与互联网体系结构 · 计算机科学 2011-08-08 Bingxuan Zhao , Shigeru Shimamoto

In this paper, we study Full Duplex (FD) Multiple-Input Multiple-Output (MIMO) radios for simultaneous data communication and control information exchange. Capitalizing on a recently proposed FD MIMO architecture combining digital transmit…

信息论 · 计算机科学 2020-03-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

In this paper, we consider the joint design of data compression and 802.15.4-based medium access control (MAC) protocol for smartgrids with renewable energy. We study the setting where a number of nodes, each of which comprises electricity…

信息论 · 计算机科学 2015-06-30 Le Thanh Tan , Long Bao Le

Recent trends suggest that cognitive radio based wireless networks will be frequency agile and the nodes will be equipped with multiple radios capable of tuning across large swaths of spectrum. The MAC scheduling problem in such networks…

网络与互联网体系结构 · 计算机科学 2016-11-17 Avhishek Chatterjee , Supratim Deb , Kanthi Nagaraj , Vikram Srinivasan

In this paper, we study the resource allocation for an orthogonal frequency division multiple access (OFDMA) radio system employing a full-duplex base station for serving multiple half-duplex downlink and uplink users simultaneously. The…

信息论 · 计算机科学 2017-05-08 Yan Sun , Derrick Wing Kwan Ng , Robert Schober

In a cognitive radio system the failure of secondary user (SU) transceivers to promptly vacate the channel can introduce significant access-latency for primary or high-priority users (PU). In conventional cognitive radio systems, the…

信息论 · 计算机科学 2016-09-06 Orion Afisiadis , Andrew C. M. Austin , Alexios Balatsoukas-Stimming , Andreas Burg

The demand for high data rates is rapidly increasing as the interest in Magnetic Induction (MI) communication-based underwater applications grow. However, the data rate in MI is limited by the use of low operational frequency in generating…

信号处理 · 电气工程与系统科学 2022-12-20 Muhammad Muzzammil , Saif Al-Kuwari , Niaz Ahmed , Marwa Qaraqe

For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power supply source. Hence, an investigation into the use of…

信息论 · 计算机科学 2020-04-16 Derek Kwaku Pobi Asiedu , Sumaila Mahama , Changick Song , Dongwan Kim , Kyoung-Jae Lee

Developing an efficient spectrum access policy enables cognitive radios to dramatically increase spectrum utilization while ensuring predetermined quality of service levels for primary users. In this paper, modeling, performance analysis,…

信息论 · 计算机科学 2014-09-04 Hossein Shokri-Ghadikolaei , Carlo Fischione

Full-duplex (FD) technology is envisaged as a key component for future mobile broadband networks due to its ability to boost the spectral efficiency. FD systems can transmit and receive simultaneously on the same frequency at the expense of…

信息论 · 计算机科学 2017-05-12 Italo Atzeni , Marios Kountouris

The success of full-stack full-duplex communication systems depends on how effectively one can achieve digital self-interference cancellation (SIC). Towards this end, in this paper, we consider unlimited sensing framework (USF) enabled…

信号处理 · 电气工程与系统科学 2024-11-22 Ziang Liu , Ayush Bhandari , Bruno Clerckx

This paper investigates the throughput for wireless network with full-duplex radios using stochastic geometry. Full-duplex (FD) radios can exchange data simultaneously with each other. On the other hand, the downside of FD transmission is…

信息论 · 计算机科学 2014-09-29 Zhen Tong , Martin Haenggi

An orthogonal frequency division multiple access (OFDMA)-based primary user (PU) network is considered, which provides different spectral access/energy harvesting opportunities in RF-powered cognitive radio networks (CRNs). In this…

信息论 · 计算机科学 2018-04-10 Hae Sol Lee , Muhammad Ejaz Ahmed , Dong In Kim

In this work, we analyze the performance of full-duplex relay selection (FDRS) in spectrum-sharing networks. Contrary to half-duplex relaying, full-duplex relaying (FDR) enables simultaneous listening/forwarding at the secondary relay(s),…

信息论 · 计算机科学 2017-10-03 Mohammad Galal Khafagy , Mohamed-Slim Alouini , Sonia Aissa

Dual-Functional Radar-Communication (DFRC) system is an essential and promising technique for beyond 5G. In this work, we propose a powerful and unified multi-antenna DFRC transmission framework, where an additional radar sequence is…

信号处理 · 电气工程与系统科学 2021-12-15 Chengcheng Xu , Bruno Clerckx , Shiwa Chen , Yijie Mao , Jianyun Zhang

A multi-user cognitive (secondary) radio system is considered, where the spatial multiplexing mode of operation is implemented amongst the nodes, under the presence of multiple primary transmissions. The secondary receiver carries out…

In this paper, we present an Integrated Sensing and Communications (ISAC) system enabled by in-band Full Duplex (FD) radios, where a massive Multiple-Input Multiple-Output (MIMO) base station equipped with hybrid Analog and Digital (A/D)…

信息论 · 计算机科学 2022-05-18 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida