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With the increasing number of user equipment (UE) and data demands, denser access points (APs) are being employed. Resource allocation problems have been extensively researched with interference treated as noise. It is well understood that…

Networking and Internet Architecture · Computer Science 2020-04-20 Jing Li , Dongning Guo

While machine-type communication (MTC) devices generate massive data, they often cannot process this data due to limited energy and computation power. To this end, edge intelligence has been proposed, which collects distributed data and…

Information Theory · Computer Science 2020-07-23 Shuai Wang , Rui Wang , Qi Hao , Yik-Chung Wu , H. Vincent Poor

We develop distributed algorithms to allocate resources in multi-hop wireless networks with the aim of minimizing total cost. In order to observe the fundamental duplexing constraint that co-located transmitters and receivers cannot operate…

Networking and Internet Architecture · Computer Science 2016-11-15 Yufang Xi , Edmund M. Yeh

The performance of systems where multiple users communicate over wireless fading links benefits from channel-adaptive allocation of the available resources. Different from most existing approaches that allocate resources based on perfect…

Information Theory · Computer Science 2009-09-07 Antonio G. Marques , Georgios B. Giannakis , Javier Ramos

User association, the problem of assigning each user device to a suitable base station, is increasingly crucial as wireless networks become denser and serve more users with diverse service demands. The joint optimization of user association…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Jonggyu Jang , Hyeonsu Lyu , David J. Love , Hyun Jong Yang

Optical Wireless Communication (OWC) has gained significant attention due to its high-speed data transmission and throughput. Optical wireless channels are often assumed to be flat, but we evaluate frequency selective channels to consider…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Dianxin Luan , John Thompson

Techniques for channel allocation in cellular networks have been an area of intense research interest for many years. An efficient channel allocation scheme can significantly reduce call-blocking and calldropping probabilities. Another…

Networking and Internet Architecture · Computer Science 2011-03-22 Xin Wu , Arunita Jaekel , Ataul Bari

This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide on-demand services. The main aim of this work is to derive…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Asad Mahmood , Thang X. Vu , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten

Visible light communication (VLC) is a promising solution to satisfy the extreme demands of emerging applications. VLC offers bandwidth that is orders of magnitude higher than what is offered by the radio spectrum, hence making best use of…

Signal Processing · Electrical Eng. & Systems 2023-04-11 Abdelrahman S. Elgamal , Osama Z. Aletri , Barzan A. Yosuf , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

We envision a scenario of opportunistic spectrum access among multiple links when the available spectrum is not contiguous due to the presence of external interference sources. Non-contiguous Orthogonal Frequency Division Multiplexing…

Networking and Internet Architecture · Computer Science 2015-05-05 Ratnesh Kumbhkar , Tejashri Kuber , Narayan B. Mandayam , Ivan Seskar

We use a genetic algorithm (GA) as a design aid for determining the optimal provisioning of entangled photon spectrum in flex-grid quantum networks with arbitrary numbers of channels and users. After introducing a general model for…

Quantum Physics · Physics 2022-06-24 J. Alnas , M. Alshowkan , N. S. V. Rao , N. A. Peters , J. M. Lukens

This report presents a more detailed description of the algorithm and simulations published in papers [1, 2]. It includes a step by step description of the algorithm and included the corresponding flow chart. In addition, detailed…

Networking and Internet Architecture · Computer Science 2016-12-26 Ahmed Abdelhadi , Haya Shajaiah

A challenging problem in multi-band multi-cell self-organized wireless systems, such as multi-channel Wi-Fi networks, femto/pico cells in 3G/4G cellular networks, and more recent wireless networks over TV white spaces, is of distributed…

Networking and Internet Architecture · Computer Science 2011-02-15 I-Hong Hou , Piyush Gupta

This paper is on relay selection in uplink of an in-band full-duplex (IBFD) cooperative cellular network. Assuming an orthogonal frequency division multiple access (OFDMA) cellular network, we develop a relay selection and resource…

Information Theory · Computer Science 2017-02-09 Jafar Banar , S. Mohammad Razavizadeh

Orthogonal Frequency Division Multiplexing (OFDM) is the key component of many emerging broadband wireless access standards. The resource allocation in OFDM uplink, however, is challenging due to heterogeneity of users' Quality of Service…

Networking and Internet Architecture · Computer Science 2015-03-17 Xiaoxin Zhang , Liang Chen , Jianwei Huang , Minghua Chen , Yuping Zhao

In this paper, we consider a single-cell multi-user orthogonal frequency division multiple access (OFDMA) network with one unmanned aerial vehicle (UAV), which works as an amplify-and-forward relay to improve the quality-of-service (QoS) of…

Information Theory · Computer Science 2021-04-23 Shuhao Zeng , Hongliang Zhang , Boya Di , Lingyang Song

We propose a four-stage hierarchical resource allocation scheme for the downlink of a large-scale small-cell network in the context of orthogonal frequency-division multiple access (OFDMA). Since interference limits the capabilities of such…

Networking and Internet Architecture · Computer Science 2014-08-19 Sanam Sadr , Raviraj S. Adve

The optimal scheduling of interfering links in a dense wireless network with full frequency reuse is a challenging task. The traditional method involves first estimating all the interfering channel strengths then optimizing the scheduling…

Signal Processing · Electrical Eng. & Systems 2021-02-05 Wei Cui , Kaiming Shen , Wei Yu

The Multi-Carrier Code Division Multiple Access (MC-CDMA) is becoming a very significant downlink multiple access technique for high-rate data transmission in the fourth generation wireless communication systems. By means of efficient…

Networking and Internet Architecture · Computer Science 2012-09-17 Hema Kale , C. G. Dethe , M. M. Mushrif

A wireless network operator typically divides the radio spectrum it possesses into a number of subbands. In a cellular network those subbands are then reused in many cells. To mitigate co-channel interference, a joint spectrum and power…

Signal Processing · Electrical Eng. & Systems 2020-12-22 Yasar Sinan Nasir , Dongning Guo