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In this work, we consider a multiple-input single-output system in which an access point (AP) performs a simultaneous wireless information and power transfer (SWIPT) to serve a user terminal (UT) that is not equipped with external power…

Information Theory · Computer Science 2016-05-19 Chen-Feng Liu , Marco Maso , Subhash Lakshminarayana , Chia-Han Lee , Tony Q. S. Quek

We consider the problem of maximizing the alpha-fairness utility over the downlink of a heterogeneous wireless network (HetNet) by jointly optimizing the association of users to transmission points (TPs) and the activation fractions of all…

Networking and Internet Architecture · Computer Science 2015-03-24 Vaibhav Singh , Narayan Prasad , Mustafa Y. Arslan , Sampath Rangarajan

Loss functions play an important role in training deep-network-based object detectors. The most widely used evaluation metric for object detection is Average Precision (AP), which captures the performance of localization and classification…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Chenxin Tao , Zizhang Li , Xizhou Zhu , Gao Huang , Yong Liu , Jifeng Dai

This paper considers a cell-free massive multipleinput multiple-output (MIMO) integrated sensing and communication (ISAC) system, where distributed MIMO access points (APs) are used to jointly serve the communication users and detect the…

Information Theory · Computer Science 2023-10-16 Mohamed Elfiatoure , Mohammadali Mohammadi , Hien Quoc Ngo , Michail Matthaiou

This work presents joint iterative power allocation and interference suppression algorithms for spread spectrum networks which employ multiple hops and the amplify-and-forward cooperation strategy for both the uplink and the downlink. We…

Information Theory · Computer Science 2013-01-03 Rodrigo C. de Lamare

In this paper, we consider a cognitive radio network in which energy constrained secondary users (SUs) can harvest energy from the randomly deployed power beacons (PBs). A new frame structure is proposed for the considered network. A…

Information Theory · Computer Science 2016-01-26 Zhijin Qin , Yuanwei Liu , Yue Gao , Maged Elkashlan , Arumugam Nallanathan

In this paper, the theoretical sustainable capacity of wireless networks with radio frequency (RF) energy harvesting is analytically studied. Specifically, we consider a large scale wireless network where base stations (BSs) and low power…

Networking and Internet Architecture · Computer Science 2018-06-05 Ziru Chen , Zhao Chen , Lin X. Cai , Yu Cheng , Ruoting Gong

In indoor areas such as homes and offices, high throughput communication for multiple devices is quickly becoming a necessity. Even though an access point (AP) mounted with an omni-directional antenna can cover a whole room, it cannot…

Networking and Internet Architecture · Computer Science 2020-03-05 Wei Sun

With the emergence of fluid antenna (FA) in wireless communications, the capability to dynamically adjust port positions offers substantial benefits in spatial diversity and spectrum efficiency, which are particularly valuable for mobile…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Ying Ju , Mingdong Li , Haoyu Wang , Lei Liu , Youyang Qu , Mianxiong Dong , Victor C. M. Leung , Chau Yuen

The fluid antenna system (FAS) concept is an emerging paradigm that promotes the utilization of the feature of shape and position reconfigurability in antennas to broaden the design of wireless communication systems. This also means that…

Information Theory · Computer Science 2025-09-11 Xusheng Zhu , Kai-Kit Wong , Hao Xu , Han Xiao , Hanjiang Hong , Hyundong Shin , Yangyang Zhang

We studied power splitting-based simultaneous wireless information and power transfer (PS-SWIPT) in multiple access channels (MAC), considering the decoding cost and non-linear energy harvesting (EH) constraints at the receiving nodes to…

Information Theory · Computer Science 2021-11-15 Pouria Nezhadmohammad , Mohsen Abedi , Mohammad Javad Emadi , Risto Wichman

We consider a wireless sensor network, consisting of N heterogeneous sensors and a fusion center (FC), tasked with detecting a known signal in uncorrelated Gaussian noises. Each sensor can harvest randomly arriving energy and store it in a…

Signal Processing · Electrical Eng. & Systems 2021-03-05 Ghazaleh Ardeshiri , Azadeh Vosoughi

In this letter, we propose space-time spreading (STS) of local sensor decisions before reporting them over a wireless multiple access channel (MAC), in order to achieve flexible balance between diversity and multiplexing gain as well as…

Signal Processing · Electrical Eng. & Systems 2023-04-06 I. Dey , H. Joshi , N. Marchetti

The use of full-duplex (FD) communication systems is a new way to increase spectral efficiency. For this reason, it has received serious attention in the new generation of wireless communication systems. The main challenge of FD systems is…

Information Theory · Computer Science 2019-09-17 Mohammad Lari , Sina Asaeian

Achieving seamless global coverage is one of the ultimate goals of space-air-ground integrated network, as a part of which High Altitude Platform (HAP) network can provide wide-area coverage. However, deploying a large number of HAPs will…

Information Theory · Computer Science 2023-06-09 Zhiqing Wei , Lin Wang , Zhan Gao , Huici Wu , Ning Zhang , Kaifeng Han , Zhiyong Feng

The enormous success of advanced wireless devices is pushing the demand for higher wireless data rates. Denser spectrum reuse through the deployment of more access points per square mile has the potential to successfully meet the increasing…

Networking and Internet Architecture · Computer Science 2012-08-15 Horia Vlad Balan , Ryan Rogalin , Antonios Michaloliakos , Konstantinos Psounis , Giuseppe Caire

We provide a simple and accurate analytical model for multi-cell infrastructure IEEE 802.11 WLANs. Our model applies if the cell radius, $R$, is much smaller than the carrier sensing range, $R_{cs}$. We argue that, the condition $R_{cs} >>…

Networking and Internet Architecture · Computer Science 2009-03-14 Manoj K. Panda , Anurag Kumar

In this paper, the problem of joint transmission and computation resource allocation for a multi-user probabilistic semantic communication (PSC) network is investigated. In the considered model, users employ semantic information extraction…

Information Theory · Computer Science 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , H. Vincent Poor

In this paper, we consider cell-free communication systems with several access points (APs) serving terrestrial users (UEs) simultaneously. To enhance the uplink multi-user multiple-input multiple-output communications, we adopt a…

Information Theory · Computer Science 2024-12-05 Xuesong Pan , Zhong Zheng , Xueqing Huang , Zesong Fei

Compressive Sensing (CS) method is a burgeoning technique being applied to diverse areas including wireless sensor networks (WSNs). In WSNs, it has been studied in the context of data gathering and aggregation, particularly aimed at…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-10-16 Xi Xu , Rashid Ansari , Ashfaq Khokhar
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