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相关论文: Coverage Probability Analysis Under Clustered Ambi…

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We consider distributed average consensus in a wireless network with partial communication to reduce the number of transmissions in every iteration/round. Considering the broadcast nature of wireless channels, we propose a probabilistic…

多智能体系统 · 计算机科学 2023-01-30 Daniel Pérez Herrera , Zheng Chen , Erik G. Larsson

Ambient backscatter communication (AmBC) enables battery-free connectivity by letting passive tags modulate existing RF signals, but reliable detection of multiple tags is challenging due to strong direct link interference, very weak…

信号处理 · 电气工程与系统科学 2025-12-22 Talha Akyildiz , Hessam Mahdavifar

We introduce clustered millimeter wave networks with invoking non-orthogonal multiple access~(NOMA) techniques, where the NOMA users are modeled as Poisson cluster processes and each cluster contains a base station (BS) located at the…

信息论 · 计算机科学 2019-01-30 Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan , Maged Elkashlan

The single-scatter approximation is fundamental in many tomographic imaging problems including x-ray scatter imaging and optical scatter imaging for certain media. In all cases, noisy measurements are affected by both local scatter events…

图像与视频处理 · 电气工程与系统科学 2021-04-21 Michael R. Walker , Joseph A. O'Sullivan

We consider a secondary user with energy harvesting capability. We design access schemes for the secondary user which incorporate random spectrum sensing and random access, and which make use of the primary automatic repeat request (ARQ)…

网络与互联网体系结构 · 计算机科学 2012-08-29 Ahmed El Shafie , Ahmed Sultan

Ambient backscatter communications (AmBC) are a promising technology for addressing the energy consumption challenge in wireless communications through the reflection or absorption of surrounding radio frequency (RF) signals. However, it…

信号处理 · 电气工程与系统科学 2024-08-19 Shuaijun Ma , Peng Wei , Sa Xiao , Jianquan Wang , Wanbin Tang , Wei Xiang

We consider a secondary user (SU) with energy harvesting capability. We design access schemes for the SU which incorporate random spectrum sensing and random access, and which make use of the primary automatic repeat request (ARQ) feedback.…

信息论 · 计算机科学 2014-04-29 Ahmed El Shafie

Backscatter communication (BSC) technology can enable ubiquitous deployment of low-cost sustainable wireless devices. In this work we investigate the efficacy of a full-duplex multiple-input-multiple-output (MIMO) reader for enhancing the…

信息论 · 计算机科学 2019-03-27 Deepak Mishra , Erik G. Larsson

This paper considers the secrecy performance of several schemes for multi-antenna transmission to single-antenna users with full-duplex (FD) capability against randomly distributed single-antenna eavesdroppers (EDs). These schemes and…

信息论 · 计算机科学 2025-07-21 Ishmam Zabir , Ahmed Maksud , Gaojie Chen , Brian M. Sadler , Yingbo Hua

Intelligent reflecting surface (IRS) has recently been emerged as an effective way for improving the performance of wireless networks by reconfiguring the propagation environment through a large number of passive reflecting elements. This…

信息论 · 计算机科学 2021-12-07 Parisa Ramezani , Abbas Jamalipour

One of the principal underlying assumptions of current approaches to the analysis of heterogeneous cellular networks (HetNets) with random spatial models is the uniform distribution of users independent of the base station (BS) locations.…

信息论 · 计算机科学 2017-05-19 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

We investigate joint information and energy cooperative schemes in a slotted-time cognitive radio network with a primary transmitter-receiver pair and a set of secondary transmitter-receiver pairs. The primary transmitter is assumed to be…

网络与互联网体系结构 · 计算机科学 2016-12-26 Ahmed El Shafie , Naofal Al-Dhahir , Ridha Hamila

The era of ubiquitous, affordable wireless connectivity has opened doors to countless practical applications. In this context, ambient backscatter communication (AmBC) stands out, utilizing passive tags to establish connections with readers…

信息论 · 计算机科学 2023-11-16 S. Zargari , A. Hakimi , C. Tellambura , A. Maaref

Simultaneous multiuser beamforming in multiantenna downlink channels can entail dirty paper (DP) precoding (optimal and high complexity) or linear precoding (suboptimal and low complexity) approaches. The system performance is typically…

信息论 · 计算机科学 2013-07-22 Serdar Ozyurt , Murat Torlak

Deploying Sub-6GHz networks together with millimeter wave (mmWave) is a promising solution to achieve high data rates in traffic hotspots while guaranteeing sufficient coverage, where mmWave small cells are densely deployed to provide high…

信息论 · 计算机科学 2019-09-17 Minwei Shi , Kai Yang , Zhu Han , Dusit Niyato

In this paper, we study covert communication in wireless networks consisting of a transmitter, Alice, an intended receiver, Bob, a warden, Willie, and a Poisson field of interferers. Bob and Willie are subject to uncertain shot noise due to…

信息论 · 计算机科学 2018-06-20 Biao He , Shihao Yan , Xiangyun Zhou , Hamid Jafarkhani

Non-orthogonal multiple access (NOMA) serves multiple users by superposing their distinct message signals. The desired message signal is decoded at the receiver by applying successive interference cancellation (SIC). Using the theory of…

信息论 · 计算机科学 2016-11-14 Hina Tabassum , Ekram Hossain , Md. Jahangir Hossain

Ambient backscatter communication (AmBC) has emerged as a highly attractive paradigm for energy-efficient communication. Full-duplex multi-tag AmBC systems provide the scalability and efficient spectrum utilization essential for next…

信号处理 · 电气工程与系统科学 2025-12-16 Saeed Abdallah , Mahmoud A. Albreem , Bassel Al Homssi , Mohamed Saad , Abdulmalik Alwarafy

In this paper, we propose to exploit the limited cache packets as side information to cancel incoming interference at the receiver side. We consider a stochastic network where the random locations of base stations and users are modeled…

信息论 · 计算机科学 2016-11-15 Chenchen Yang , Yao Yao , Bin Xia , Kaibin Huang , Weiliang Xie , Yong Zhao

In this paper, we study backscatter communication (BC) for power-limited devices that are connected to a network for the Internet of Things (IoT), where joint estimation and detection is carried out at a receiver to detect signals from a…

信息论 · 计算机科学 2019-08-21 Jinho Choi