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Related papers: User-Centric Joint Transmission in Virtual-Cell-Ba…

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A multi-level random power transmit strategy that is used in conjunction with a random access protocol (RAP) (e.g. ALOHA, IRSA) is proposed to fundamentally increase the throughput in a distributed communication network. A SIR model is…

Information Theory · Computer Science 2020-10-20 Akshit Kumar , Parikshit Hegde , Rahul Vaze , Amira Alloum , Cédric Adjih

We consider wireless networks of remote radio heads (RRH) with large antenna-arrays, operated in TDD, with uplink (UL) training and channel-reciprocity based downlink (DL) transmission. To achieve large area spectral efficiencies, we…

Information Theory · Computer Science 2017-01-26 Ozgun Y. Bursalioglu , Chenwei Wang , Haralabos Papadopoulos , Giuseppe Caire

Millimeter-wave (mmWave) communication systems, particularly those leveraging multi-user multiple-input and multiple-output (MU-MIMO) with hybrid beamforming, face challenges in optimizing user throughput and minimizing latency due to the…

Information Theory · Computer Science 2026-03-04 Ramin Hashemi , Vismika Ranasinghe , Teemu Veijalainen , Petteri Kela , Risto Wichman

In this paper, we theoretically study the proportional fair (PF) scheduler in the context of ultra-dense networks (UDNs). Analytical results are obtained for the coverage probability and the area spectral efficiency (ASE) performance of…

Networking and Internet Architecture · Computer Science 2017-09-27 Ming Ding , David Lopez Perez , Amir H. Jafari , Guoqiang Mao , Zihuai Lin

As one of the Coordinated Multipoint (CoMP) techniques, Joint Transmission (JT) can improve the overall system performance. In this paper, from the load balancing perspective, we study how the maximum load can be reduced by optimizing JT…

Information Theory · Computer Science 2017-06-23 Lei You , Lei Lei , Di Yuan

We consider unsourced random access (uRA) in a cell-free (CF) user-centric wireless network, where a large number of potential users compete for a random access slot, while only a finite subset is active. The random access users transmit…

Information Theory · Computer Science 2025-05-01 Burak Çakmak , Eleni Gkiouzepi , Manfred Opper , Giuseppe Caire

We consider fairness scheduling in a user-centric cell-free massive MIMO network, where $L$ remote radio units, each with $M$ antennas, serve $K_{\rm tot} \approx LM$ user equipments (UEs). Recent results show that the maximum network sum…

Information Theory · Computer Science 2023-05-16 Fabian Göttsch , Noboru Osawa , Yoshiaki Amano , Issei Kanno , Kosuke Yamazaki , Giuseppe Caire

This paper investigates the resource management problem in multi-carrier rate-splitting multiple access (MC-RSMA) systems with imperfect channel state information (CSI) and successive interference cancellation (SIC) for ultra-reliable and…

Signal Processing · Electrical Eng. & Systems 2024-04-23 Xiaoyu Ou , Shuping Dang , Zhihan Ren , Angela Doufexi

The focus of this paper is on the rate and power control algorithms in Dedicated Short Range Communication (DSRC) for vehicular networks. We first propose a utility maximization framework by leveraging the well-developed network congestion…

Systems and Control · Computer Science 2015-11-06 Jubin Jose , Chong Li , Xinzhou Wu , Lei Ying , Kai Zhu

Relays in cellular systems are interference limited. The highest end-to-end sum rates are achieved when the relays are jointly optimized with the transmit strategy. Unfortunately, interference couples the links together making joint…

Information Theory · Computer Science 2015-03-20 Kien T. Truong , Robert W. Heath

Due to the exponentially increased demands of mobile data traffic, e.g., a 1000-fold increase in traffic demand from 4G to 5G, network densification is considered as a key mechanism in the evolution of cellular networks, and ultra-dense…

Networking and Internet Architecture · Computer Science 2017-11-15 Jianping An , Kai Yang , Jinsong Wu , Neng Ye , Song Guo , Zhifang Liao

This paper analyzes the ergodic capacity of a user-centric virtual cell (VC) dense network, where multiple access points (APs) form a VC for each user equipment (UE) and transmit data cooperatively over millimeter wave (mmWave) channels.…

Information Theory · Computer Science 2018-07-30 Jianfeng Shi , Yinlu Wang , Hao Xu , Ming Chen , Benoit Champagne

We consider a multiuser diffusion-based molecular communication (MC) system where multiple spatially distributed transmitter (TX)-receiver (RX) pairs establish point-to-point communication links employing the same type of signaling…

Information Theory · Computer Science 2021-05-05 Lukas Brand , Sebastian Lotter , Vahid Jamali , Robert Schober

In this paper, we consider the issue of throughput and packet drop rate (PDR) optimization as two performance metrics for delay sensitive applications in network coded time division duplex (TDD) satellite systems with large round trip times…

Information Theory · Computer Science 2014-08-26 Mohammad Esmaeilzadeh , Neda Aboutorab , Parastoo Sadeghi

Optical wireless communication (OWC) has recently received massive interest as a new technology that can support the enormous data traffic increasing on daily basis. Laser-based OWC networks can provide terabits per second (Tbps) aggregate…

In this letter, we analyze the achievable rate of ultra-reliable low-latency communications (URLLC) in a randomly modeled wireless network. We use two mathematical tools to properly characterize the considered system: i) stochastic geometry…

Information Theory · Computer Science 2019-10-31 Jeonghun Park

This paper studies the newly emerging wireless powered communication network (WPCN) in which one hybrid access point (H-AP) with constant power supply coordinates the wireless energy/information transmissions to/from distributed users that…

Information Theory · Computer Science 2014-07-22 Hyunsgsik Ju , Rui Zhang

The multiuser communication channel, in which multiple users exchange information with the help of a relay terminal, termed the multi-way relay channel (mRC), is introduced. In this model, multiple interfering clusters of users communicate…

Information Theory · Computer Science 2015-03-14 Deniz Gunduz , Aylin Yener , Andrea Goldsmith , H. Vincent Poor

Fifth Generation (5G) New Radio (NR) does not support data transmission during random access (RA) procedures, which results in unnecessary control signalling overhead and power consumption, especially for small data transmission (SDT).…

Systems and Control · Electrical Eng. & Systems 2022-02-15 Hui Zhou , Yansha Deng , Luca Feltrin , Andreas Höglund

This paper considers a cloud radio access network (C-RAN) where spatially distributed remote radio heads (RRHs) communicate with a full-duplex user. In order to reflect a realistic scenario, the uplink (UL) and downlink (DL) RRHs are…

Information Theory · Computer Science 2016-03-01 Mohammadali Mohammadi , Himal A. Suraweera , Chintha Tellambura
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