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Google's BBR (Bottleneck Bandwidth and Round-trip Propagation Time) approach is used to enhance internet network transmission. It is particularly intended to efficiently handle enormous amounts of data. Traditional TCP (Transmission Control…

网络与互联网体系结构 · 计算机科学 2024-02-09 Vaishnavi Mhaske , Khushi Jain , Sai Karthik Thatikonda , Asif Kunwar

Recently, Dynamic Time Division Duplex (TDD) has been proposed to handle the asymmetry of traffic demand between DownLink (DL) and UpLink (UL) in Heterogeneous Networks (HetNets). However, for mixed traffic consisting of best effort traffic…

网络与互联网体系结构 · 计算机科学 2016-08-25 Qiang Fan , Hancheng Lu , Peilin Hong , Chang Wen Chen

Multi-band operation in wireless networks can improve data rates by leveraging the benefits of propagation in different frequency ranges. Distinctive beam management procedures in different bands complicate band assignment because they…

信号处理 · 电气工程与系统科学 2023-08-28 Dohyun Kim , Miguel R. Castellanos , Robert W. Heath

In this paper, we study wireless networks where nodes have two energy sources, namely a battery and radio frequency (RF) energy harvesting circuitry. We formulate two optimization problems with different objective functions, namely…

信息论 · 计算机科学 2017-10-03 Mohamed A. Abd-Elmagid , Tamer ElBatt , Karim G. Seddik

The crucial problem in vehicle re-identification is to find the same vehicle identity when reviewing this object from cross-view cameras, which sets a higher demand for learning viewpoint-invariant representations. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Jiajian Zhao , Yifan Zhao , Jia Li , Ke Yan , Yonghong Tian

In this paper, we aim to achieve energy efficient design with minimum hardware requirement for hybrid precoding, which enables a large number of antennas with minimal number of RF chains, and sub-arrayed multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2021-04-19 Aryan Kaushik , Christos Masouros , Fan Liu

This paper investigates a secure wireless-powered multiantenna multicasting system, where multiple power beacons (PBs) supply power to a transmitter in order to establish a reliable communication link with multiple legitimate users in the…

信息论 · 计算机科学 2017-06-08 Zheng Chu , Huan X. Nguyen , Giuseppe Caire

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

In this paper, we derive the information theoretic performance bounds on communication data rates and errors in parameter estimation, for a joint radar and communication (JRC) system. We assume that targets are semi-passive, i.e. they use…

信息论 · 计算机科学 2021-07-08 Ganesan Thiagarajan , Sanjeev Gurugopinath

The heterogeneous cloud radio access network (H-CRAN) is a promising paradigm which incorporates the cloud computing into heterogeneous networks (HetNets), thereby taking full advantage of cloud radio access networks (C-RANs) and HetNets.…

网络与互联网体系结构 · 计算机科学 2016-02-18 Mugen Peng , Yuling Yu , Hongyu Xiang , H. Vincent Poor

Hybrid Automatic Repeat Request (HARQ) schemes typically allocate all available resources to retransmit failed packets to ensure reliability. However, under stringent delay constraints, these schemes often exhibit low spectral efficiency…

信号处理 · 电气工程与系统科学 2026-03-05 Hongling Huang , Jintao Wang , Zheng Shi , Xu Wang , Guanghua Yang , Shaodan Ma , Haichuan Ding

The novel concept of non-orthogonal multiple access (NOMA) aided joint radar and multicast-unicast communication (Rad-MU-Com) is investigated. Employing the same spectrum resource, a multi-input-multi-output (MIMO) dual-functional…

信息论 · 计算机科学 2022-09-14 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Lajos Hanzo

The problem of sparse array design for dual-function radar-communications is investigated. Our goal is to design a sparse array which can simultaneously shape desired beam responses and serve multiple downlink users with the required…

系统与控制 · 电气工程与系统科学 2023-03-14 Huiping Huang , Linlong Wu , Bhavani Shankar , Abdelhak M. Zoubir

Multi-robot navigation in unknown, structurally constrained, and GPS-denied environments presents a fundamental trade-off between global strategic foresight and local tactical agility, particularly under limited communication. Centralized…

机器人学 · 计算机科学 2025-10-13 Zihao Mao , Yunheng Wang , Yunting Ji , Yi Yang , Wenjie Song

Compared with the fourth generation (4G) cellular systems, the fifth generation wireless communication systems (5G) are anticipated to provide spectral and energy efficiency growth by a factor of at least 10, and the area throughput growth…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Yong Li , Zhongyuan Zhao , Chonggang Wang

In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered communication network (WPCN) architecture is proposed for power-constrained Internet-of-Things (IoT) smart devices, where IRS is exploited to improve the…

信息论 · 计算机科学 2021-12-07 Zhendong Li , Wen Chen , Qingqing Wu , Huanqing Cao , Kunlun Wang , Jun Li

Since the advent of ultra-reliable and low-latency communications (URLLC), the requirements of low-latency applications tend to be completely characterized by a single pre-defined latency-reliability target. That is, operation is optimal…

Efficient spectrum allocation has become crucial as the surge in wireless-connected devices demands seamless support for more users and applications, a trend expected to grow with 6G. Innovations in satellite technologies such as SpaceX's…

信号处理 · 电气工程与系统科学 2025-01-17 Muhammad Ahmed Mohsin , Hassan Rizwan , Muhammad Umer , Sagnik Bhattacharya , Ahsan Bilal , John M. Cioffi

Heterogeneous cloud radio access networks (HCRANs) are potential solutions to improve both spectral and energy efficiencies by embedding cloud computing into heterogeneous networks (HetNets). The interference among remote radio heads (RRHs)…

信息论 · 计算机科学 2016-11-15 Mugen Peng , Xinqian Xie , Qiang Hu , Jie Zhang , H. Vincent Poor

In this paper, the problem of opportunistic spectrum sharing for the next generation of wireless systems empowered by the cloud radio access network (C-RAN) is studied. More precisely, low-priority users employ cooperative spectrum sensing…

信号处理 · 电气工程与系统科学 2019-07-17 Hossein Safi , A. M Montazeri , Javane Rostampoor , Saeedeh Parsaeefard