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With the wireless communication being more various in the future, it's becoming challenging to prolong the lifetime of many battery powered devices, since frequently replacing their batteries is a cumbersome job. An hybrid access point…

Systems and Control · Electrical Eng. & Systems 2020-02-24 Yizhe Zhao , Jie Hu , Duohua Wang , Kun Yang

Due to their ability to anchor into tall urban landforms, such as lampposts or street lights, robotic aerial base stations (RABSs) can create a hyper-flexible wireless multi-hop heterogeneous network to meet the forthcoming green,…

Networking and Internet Architecture · Computer Science 2025-05-16 Wen Shang , Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

Achieving an increase in the spectral efficiency (SE) has always been a major driver in the design of communication systems. The use of MIMO techniques in mobile communications has achieved significant benefits in improving the system…

Signal Processing · Electrical Eng. & Systems 2018-03-22 Pol Henarejos , Ana I. Pérez-Neira

Although the security properties of 3G and 4G mobile networks have significantly improved by comparison with 2G (GSM), significant shortcomings remain with respect to user privacy. A number of possible modifications to 2G, 3G and 4G…

Cryptography and Security · Computer Science 2015-04-14 Mohammed Shafiul Alam Khan , Chris J Mitchell

Cell-free massive MIMO systems have promising data rate and uniform coverage gains. These systems, however, typically rely on optical fiber based fronthaul for the communication between the central processing unit (CPU) and the distributed…

Information Theory · Computer Science 2022-08-09 Umut Demirhan , Ahmed Alkhateeb

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

Robotics · Computer Science 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

Current progresses in home automation and service robotic environment have highlighted the need to develop interoperability mechanisms that allow a standard communication between the two systems. During the development of the DHCompliant…

In this paper, we analyze asymptotic delay-throughput trade-offs in mobile ad-hoc networks comprising heterogeneous nodes with restricted mobility. We show that node spatial heterogeneity has the ability to drastically improve upon existing…

Performance · Computer Science 2008-07-09 Michele Garetto , Emilio Leonardi

In this paper, we explore a cooperative integrated sensing and communication (ISAC) framework that utilizes orthogonal frequency division multiplexing (OFDM) waveforms. Under the control of a central processing unit (CPU), multiple access…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Zihuan Wang , Vincent W. S. Wong , Robert Schober

Future mobile communication networks will require enhanced network efficiency and reduced system overhead due to their user density and high data rate demanding applications of the mobile devices. Research on Blind Interference Alignment…

Information Theory · Computer Science 2015-10-01 Vaia Kalokidou , Oliver Johnson , Robert Piechocki

In future autonomous systems, wireless multi-hop communication is key to enable collaboration among distributed agents at low cost and high flexibility. When many agents need to transmit information over the same wireless network,…

Systems and Control · Electrical Eng. & Systems 2024-09-23 Dominik Baumann , Fabian Mager , Marco Zimmerling , Sebastian Trimpe

Heterogeneous applications could be assimilated within the same wireless sensor network with the aid of modern motes that have multiple sensor boards on a single radio board. Different types of data generated from such types of motes might…

Networking and Internet Architecture · Computer Science 2008-12-15 Muhammad Mostafa Monowar , Md. Obaidur Rahman , Al-Sakib Khan Pathan , Choong Seon Hong

A non-orthogonal multiple access (NOMA)-inspired integrated sensing and communication (ISAC) framework is proposed, where a dual-functional base station (BS) transmits the composite communication and sensing signals. In contrast to treating…

Information Theory · Computer Science 2022-08-02 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

Multi-cell wireless systems usually suffer both intra-cell and inter-cell interference, which can be mitigated via coordinated multipoint (CoMP) techniques. Previous works on multi-cell analysis for the microwave band generally consider…

Information Theory · Computer Science 2018-03-13 Shu Sun , Theodore S. Rappaport , Mansoor Shafi

The recently proposed NR-ready integrated access and backhaul (IAB) architecture promises to bring a cost-efficient deployment solution for both coverage extension and capacity boosting in future 5G/5G+ systems. While its impact on the…

Networking and Internet Architecture · Computer Science 2022-05-20 Yekaterina Sadovaya , Dmitri Moltchanov , Wei Mao , Oner Orhan , Shu-ping Yeh , Hosein Nikopour , Shilpa Talwar , Sergey Andreev

Ubiquitous cell-free massive MIMO (multiple-input multiple-output) combines massive MIMO technology and user-centric transmission in a distributed architecture. All the access points (APs) in the network cooperate to jointly and coherently…

Information Theory · Computer Science 2019-09-09 Giovanni Interdonato , Pål Frenger , Erik G. Larsson

Cell-free massive multiple-input multiple-output (MIMO) is a promising technology for next-generation communication systems. This work proposes a novel partially coherent (PC) transmission framework to cope with the challenge of phase…

Information Theory · Computer Science 2024-04-04 Unnikrishnan Kunnath Ganesan , Tung Thanh Vu , Erik G. Larsson

Efficient data transmission across mobile multi-hop networks that connect edge devices to core servers presents significant challenges, particularly due to the variability in link qualities between wireless and wired segments. This…

Signal Processing · Electrical Eng. & Systems 2025-01-28 Chenghong Bian , Yulin Shao , Deniz Gündüz

This paper considers the application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems. A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is…

Information Theory · Computer Science 2015-03-19 Zhiguo Ding , Fumiyuki Adachi , H. Vincent Poor

Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

Information Theory · Computer Science 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang