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This paper studies the resource allocation algorithm design for secure information and renewable green energy transfer to mobile receivers in distributed antenna communication systems. In particular, distributed remote radio heads…

Information Theory · Computer Science 2015-05-12 Derrick Wing Kwan Ng , Robert Schober

Downlink massive multiple-input multiple-output (MIMO) precoding algorithms in frequency division duplexing (FDD) systems rely on accurate channel state information (CSI) feedback from users. In this paper, we analyze the tradeoff between…

Information Theory · Computer Science 2023-10-25 Fabrizio Carpi , Sivarama Venkatesan , Jinfeng Du , Harish Viswanathan , Siddharth Garg , Elza Erkip

This paper investigates joint user pairing, power and time slot duration allocation in the uplink multiple-input single-output (MISO) multi-user cooperative rate-splitting multiple access (C-RSMA) networks in half-duplex (HD) mode. We…

Signal Processing · Electrical Eng. & Systems 2024-09-05 Shreya Khisa , Mohamad Elhattab , Chadi Assi , Sanaa Sharafeddine

Recent studies indicate the feasibility of in-band fullduplex (FD) wireless communications, where a wireless radio transmits and receives simultaneously in the same band. Due to its potential to increase the capacity, analyzing the…

Networking and Internet Architecture · Computer Science 2016-11-15 Peyman Tehrani , Farshad Lahouti , Michele Zorzi

In frequency division duplex mode of massive multiple-input multiple-output systems, the downlink channel state information (CSI) must be sent to the base station (BS) through a feedback link. However, transmitting CSI to the BS is costly…

Information Theory · Computer Science 2020-05-04 Zheng Cao , Wan-Ting Shih , Jiajia Guo , Chao-Kai Wen , Shi Jin

In this paper, we consider a down-link transmission of multicell virtualized wireless networks (VWNs) where users of different service providers (slices) within a specific region are served by a set of base stations (BSs) through orthogonal…

Information Theory · Computer Science 2015-08-27 Saeedeh Parsaeefard , Rajesh Dawadi , Mahsa Derakhshani , Tho Le-Ngoc

Utilization of inter-base station cooperation for information processing has shown great potential in enhancing the overall quality of communication services (QoS) in wireless communication networks. Nevertheless, such cooperations require…

Information Theory · Computer Science 2024-01-23 Xingdi Chen , Yu Xiong , Kai Yang

Reconfigurable intelligent surface (RIS) has received widespread attention owing to the superiority of changing the wireless propagation environment intelligently. Channel feedback is essential in frequency division duplex (FDD)…

Information Theory · Computer Science 2020-12-08 Decai Shen , Linglong Dai

An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

In this paper, we consider a non-orthogonal multiple access cognitive radio network, where a full-duplex multi-antenna relay assists transmission from a base station (BS) to a cognitive far user, whereas, at the same time, the BS transmits…

Information Theory · Computer Science 2017-08-15 Mohammadali Mohammadi , Batu K. Chalise , Azar Hakimi , Himal A. Suraweera , Zhiguo Ding

The use of a very large number of antennas at each base station site (referred to as "Massive MIMO") is one of the most promising approaches to cope with the predicted wireless data traffic explosion. In combination with Time Division…

Networking and Internet Architecture · Computer Science 2015-02-10 Dilip Bethanabhotla , Ozgun Bursalioglu , Haralabos Papadopoulos , Giuseppe Caire

In this paper, we consider a full duplex wireless powered communication network where multiple users with RF energy harvesting capabilities communicate to a hybrid energy and information access point. An optimization framework is proposed…

Information Theory · Computer Science 2019-10-30 Muhammad Shahid Iqbal , Yalcin Sadi , Sinem Coleri

Increased capacity in the access network poses capacity challenges on the transport network due to the aggregated traffic. However, there are spatial and time correlation in the user data demands that could potentially be utilized. To that…

Information Theory · Computer Science 2023-09-12 Sneha Madhusudan , Charitha Madapatha , Behrooz Makki , Hao Guo , Tommy Svensson

This paper studies transmission strategies for the downlink of a cloud radio access network, in which the base stations are connected to a centralized cloud-computing based processor with digital fronthaul or backhaul links. We provide a…

Information Theory · Computer Science 2018-06-05 Pratik Patil , Binbin Dai , Wei Yu

This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Mohamed Elhattab , Shreya Khisa , Chadi Assi , Ali Ghrayeb , Marwa Qaraqe , Georges Kaddoum

Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of multiplexing a set of orthogonal modes on the same frequency channel to achieve high spectral efficiencies (SEs). However, the existing research on OAM…

Information Theory · Computer Science 2021-10-19 Wen-Xuan Long , Rui Chen , Marco Moretti , Jian Xiong , Jiandong Li

The backhaul of hundreds of light fidelity (LiFi) base stations (BSs) constitutes a major challenge. Indoor wireless optical backhauling is a novel approach whereby the interconnections between adjacent LiFi BSs are provided by way of…

Information Theory · Computer Science 2019-07-16 Hossein Kazemi , Majid Safari , Harald Haas

This paper investigates the compress-and-forward scheme for an uplink cloud radio access network (C-RAN) model, where multi-antenna base-stations (BSs) are connected to a cloud-computing based central processor (CP) via capacity-limited…

Information Theory · Computer Science 2016-11-18 Yuhan Zhou , Yinfei Xu , Wei Yu , Jun Chen

Maddah-Ali and Niesen's original coded caching scheme for shared-link broadcast networks is now known to be optimal to within a factor two, and has been applied to other types of networks. For practical reasons, this paper considers that a…

Information Theory · Computer Science 2018-04-06 Kai Wan , Mingyue Ji , Pablo Piantanida , Daniela Tuninetti

In this work, we consider a wireless network with K cooperating transmitters (TXs) serving jointly K receivers (RXs). Due to the practical limitations of the backhaul network, it is relevant to consider a setting where each TX receives its…

Information Theory · Computer Science 2014-07-01 Paul de Kerret , Richard Fritzsche , David Gesbert , Umer Salim