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For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power supply source. Hence, an investigation into the use of…

Information Theory · Computer Science 2020-04-16 Derek Kwaku Pobi Asiedu , Sumaila Mahama , Changick Song , Dongwan Kim , Kyoung-Jae Lee

In this paper, we consider three transmit strategies for the fading three-node, two-way relay network (TWRN) -- physical-layer network coding (PNC), digital network coding (DNC) and codeword superposition (CW-Sup). The aim is to minimize…

Information Theory · Computer Science 2014-06-05 Zhi Chen , Tengjoon Lim , Mehul Motani

We propose a practical network code for the wireless two-way relay channel where all nodes communicate in full duplex (FD) mode. The physical layer network coding (PNC) operation is applied with the FD operating nodes, reducing the…

Information Theory · Computer Science 2021-05-07 Semiha Tedik , Güneş Karabulut Kurt

This paper studies optimal resource allocation in the wireless-powered communication network (WPCN), where one hybrid access-point (H-AP) operating in full-duplex (FD) broadcasts wireless energy to a set of distributed users in the downlink…

Information Theory · Computer Science 2014-09-16 Hyungsik Ju , Rui Zhang

Two signal multiplexing schemes for optical fiber communication are considered: Wavelength-division multiplexing (WDM) and nonlinear frequency-division multiplexing (NFDM), based on the nonlinear Fourier transform (NFT). Achievable…

Information Theory · Computer Science 2018-04-24 Mansoor I. Yousefi , Xianhe Yangzhang

Three-node full-duplex is a promising new transmission mode between a full-duplex capable wireless node and two other wireless nodes that use half-duplex transmission and reception respectively. Although three-node full-duplex transmissions…

Information Theory · Computer Science 2016-03-08 Jose Mairton B. da Silva , Yuzhe Xu , Gabor Fodor , Carlo Fischione

Wireless powered communication network (WPCN) is a novel networking paradigm that uses radio frequency (RF) wireless energy transfer (WET) technology to power the information transmissions of wireless devices (WDs). When energy and…

Networking and Internet Architecture · Computer Science 2017-03-20 Suzhi Bi , Ying Jun , Zhang , Rui Zhang

Over the last decade, the growing amount of UL and DL mobile data traffic has been characterized by substantial asymmetry and time variations. Dynamic time-division duplex (TDD) has the capability to accommodate to the traffic asymmetry by…

Networking and Internet Architecture · Computer Science 2015-04-14 Hongguang Sun , Matthias Wildemeersch , Min Sheng , Tony Q. S. Quek

The problem of user scheduling and power allocation in full-duplex (FD) cellular networks is considered, where a FD base station communicates simultaneously with one half-duplex (HD) user on each downlink and uplink channel. First, we…

Information Theory · Computer Science 2016-11-17 George C. Alexandropoulos , Marios Kountouris , Italo Atzeni

This paper investigates the throughput for wireless network with full-duplex radios using stochastic geometry. Full-duplex (FD) radios can exchange data simultaneously with each other. On the other hand, the downside of FD transmission is…

Information Theory · Computer Science 2014-09-29 Zhen Tong , Martin Haenggi

Full-duplex (FD) allows the exchange of data between nodes on the same temporal and spectrum resources, however, it introduces self interference (SI) and additional network interference compared to half-duplex (HD). Power control in the FD…

Networking and Internet Architecture · Computer Science 2017-02-23 Chenyuan Feng , Yi Zhong , Tony Q. S. Quek , Gang Wu

Two-way is a dominant mode of communication in wireless systems. Departing from the tradition to optimize each transmission direction separately, recent work has demonstrated that, for time-division duplex (TDD) systems, optimizing the…

Information Theory · Computer Science 2016-11-17 Petar Popovski , Osvaldo Simeone , Jimmy J. Nielsen , Čedomir Stefanović

Two distinct models of feedback, suited for FDD (Frequency Division Duplex) and TDD (Frequency Division Duplex) systems respectively, have been widely studied in the literature. In this paper, we compare these two models of feedback in…

Information Theory · Computer Science 2008-11-27 Vaneet Aggarwal , Gajanana Krishna , Srikrishna Bhashyam , Ashutosh Sabharwal

In this paper, we derive the optimal centralized dynamic-time-division-duplex (D-TDD) scheme for a wireless network comprised of $K$ full-duplex nodes impaired by self-interference and additive white Gaussian noise. As a special case, we…

Information Theory · Computer Science 2020-02-07 Mohsen Mohammadkhani Razlighi , Nikola Zlatanov , Shiva Raj Pokhrel , Petar Popovski

Dynamic time-division duplex (D-TDD) has emerged as an effective solution to accommodate the unaligned downlink and uplink traffic in small cell networks. However, the flexibility of traffic configuration also introduces additional…

Information Theory · Computer Science 2020-10-13 Meiyan Song , Hangguan Shan , Howard H. Yang , Tony Q. S. Quek

This study presents a novel three-way unequal filtering power divider/combiner, addressing challenges in unequal power distribution while incorporating filtering functions in communication systems. Wilkinson power divider (WPD) is the…

Systems and Control · Electrical Eng. & Systems 2025-04-08 Augustine O. Nwajana , Mosammat Rokaiya Akter , Muhammad Asfar Saeed

With Full Duplex (FD), wireless terminal is capable of transmitting and receiving data simultaneously in the same frequency resources, however, it introduces self interference and co-channel interference. Even though various signal…

Information Theory · Computer Science 2023-02-01 Askar Mandali Kundu , Rudrashish Pal , Mayank Kumar , Sreejith T

Achievable rates of the nonlinear frequency-division multiplexing (NFDM) and wavelength-division multiplexing (WDM) subject to the same power and bandwidth constraints are computed as a function of transmit power in the standard single-mode…

Information Theory · Computer Science 2020-06-05 Xianhe Yangzhang , Mansoor I. Yousefi , Alex Alvarado , Domanic Lavery , Polina Bayvel

Simultaneous co-channel transmission and reception, denoted as in-band full duplex (FD) communication, has been promoted as an attractive solution to improve the spectral efficiency of cellular networks. However, in addition to the…

Networking and Internet Architecture · Computer Science 2015-12-15 Itsikiantsoa Randrianantenaina , Hesham Elsawy , Mohamed-Slim Alouini

A Wireless Power Transfer Network (WPTN) aims to support devices with cable-less energy on-demand. Unfortunately, wireless power transfer itself-especially through radio frequency radiation rectification-is fairly inefficient due to…

Networking and Internet Architecture · Computer Science 2015-04-03 Qingzhi Liu , Michał Goliński , Przemysław Pawełczak , Martijn Warnier