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Power allocation with peak-to-average power ratio constraints is investigated for transmission over Nakagami-m fading channels with arbitrary input distributions. In the case of delay-limited block-fading channels, we find the solution to…

Information Theory · Computer Science 2008-02-26 Khoa D. Nguyen , Albert Guillen i Fabregas , Lars K. Rasmussen

In conventional wireless systems, unless a contiguous frequency band with width at least equal to the required bandwidth is obtained, multimedia communication can not be effected with the desired Quality of Service. We propose here a novel…

Networking and Internet Architecture · Computer Science 2016-03-15 Ansuman Bhattacharya , Rabindranath Ghosh , Koushik Sinha , Debasish Datta , Bhabani P. Sinha

We study the network spectral efficiency of decentralized vector multiple access channels (MACs) when the number of accessible dimensions per transmitter is strategically limited. Considering each dimension as a frequency band, we call this…

Information Theory · Computer Science 2009-05-19 Samir M. Perlaza , Merouane Debbah , Samson Lasaulce , Hanna Bogucka

This paper considers an orthogonal frequency division multiplexing (OFDM) downlink point-to-point system with simultaneous wireless information and power transfer. It is assumed that the receiver is able to harvest energy from noise,…

Information Theory · Computer Science 2016-11-18 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Pinching antennas have recently garnered significant attention due to their ability to dynamically reconfigure wireless propagation environments. Despite notable advancements in this area, the exploration of energy efficiency (EE)…

Information Theory · Computer Science 2025-05-22 Ming Zeng , Ji Wang , Gui Zhou , Fang Fang , Xianbin Wang

The study investigated the allocation of transmission power and bits for a point-to-point orthogonal frequency-division multiplexing channel assuming perfect channel information at the receiver, but imperfect channel information at the…

Information Theory · Computer Science 2015-10-16 Wiroonsak Santipach , Kritsada Mamat , Ake Tonsirisittikun , Kaemmatat Jiravanstit

We propose a bit-allocation scheme for powerline orthogonal frequency-division multiplexing (OFDM) that minimizes total transmit energy subject to total-bit and delay constraints. Multiple delay requirements stem from different sets of data…

Information Theory · Computer Science 2020-01-20 Kaemmatat Jiravanstit , Wiroonsak Santipach

Water-filling is the term for the classic solution to the problem of allocating constrained power to a set of parallel channels to maximize the total data-rate. It is used widely in practice, for example, for power allocation to…

Machine Learning · Computer Science 2011-09-12 Yi Gai , Bhaskar Krishnamachari

We consider the design of mixing matrices to minimize the operation cost for decentralized federated learning (DFL) in wireless networks, with focus on minimizing the maximum per-node energy consumption. As a critical hyperparameter for…

Machine Learning · Computer Science 2026-01-01 Xusheng Zhang , Tuan Nguyen , Ting He

We investigate energy efficient packet scheduling and power allocation problem for the services which require reliable communication to guarantee a certain quality of experience (QoE). We establish links between average transmit power and…

Information Theory · Computer Science 2018-07-27 M. Majid Butt , Eduard A. Jorswieck , Nicola Marchetti

This paper is concerned with dynamic resource allocation in a cellular wireless network with slow fading for support of data traffic having heterogeneous transmission delay requirements. The multiple-input single-output (MISO) fading…

Information Theory · Computer Science 2009-11-13 Rui Zhang

We consider a multiple-access channel where the users are powered from batteries having non-negligible internal resistance. When power is drawn from the battery, a variable fraction of the power, which is a function of the power drawn from…

Information Theory · Computer Science 2018-01-16 Rajshekhar Vishweshwar Bhat , Mehul Motani , Teng Joon Lim

The high bandwidth demand of Internet applications has recently driven the need of increasing the residential download speed. A practical solution to the problem has been proposed aggregating the bandwidth of 802.11 Access Points (APs)…

Networking and Internet Architecture · Computer Science 2013-04-04 Domenico Giustiniano , Eduard Goma , Alberto Lopez Toledo , George Athanasiou

In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency communication (URLLC). To meet the stringent delay requirements…

Information Theory · Computer Science 2019-01-18 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

This paper has been withdrawn because of some paper issues. Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) can be controlled to be achieve optimality in terms of throughput or utility. These results…

Networking and Internet Architecture · Computer Science 2012-12-18 Se-Young Yun , Jinwoo Shin , Yung Yi

In this paper, we consider a two-user multiple access fading channel under quality-of-service (QoS) constraints. We initially formulate the transmission rates for both transmitters, where the transmitters have arbitrarily distributed input…

Information Theory · Computer Science 2016-08-08 Marwan Hammouda , Sami Akin , Jürgen Peissig

In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To meet the stringent…

Information Theory · Computer Science 2022-11-10 Walid R. Ghanem , Vahid Jamali , Robert Schober

In hybrid digital-analog (HDA) systems, resource allocation has been utilized to achieve desired distortion performance. However, existing studies on this issue assume error-free digital transmission, which is not valid for fading channels.…

Signal Processing · Electrical Eng. & Systems 2018-12-19 Xiaoda Jiang , Hancheng Lu

In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To achieve the…

Information Theory · Computer Science 2020-05-12 Walid R. Ghanem , Vahid Jamali , Qiuyu Zhang , Robert Schober

The ever-evolving landscape of distributed wireless systems, e.g. multi-user AR/VR systems, demands high data rates (up to 500 Mbps per user) and low power consumption. With increasing number of participating users, uplink data transmission…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Sagnik Bhattacharya , Kamyar Rajabalifardi , Muhammad Ahmed Mohsin , Rohan Pote , John M. Cioffi
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