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In this paper, we present a detailed analysis of the coverage and spectral efficiency of a downlink cellular network. Rather than relying on the first order statistics of received signal-to-interference-ratio (SIR) such as coverage…

Networking and Internet Architecture · Computer Science 2018-08-20 A. M. Hayajneh , S. A. R. Zaidi , Des. C. McLernon , M. Z. Win , A. Imran , M. Ghogho

Millimeter Wave (MmWave) communication is one of the key technology of the fifth generation (5G) wireless systems to achieve the expected 1000x data rate. With large bandwidth at mmWave band, the link capacity between users and base…

Signal Processing · Electrical Eng. & Systems 2019-03-19 Mingjie Feng , Shiwen Mao

We consider a user-centric co-operative cellular network, where base stations (BSs) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSs are at arbitrary positions and mobiles…

Information Theory · Computer Science 2018-02-14 Siddhartan Govindasamy , Itsik Bergel

This paper proposes a new transmission strategy for the multiuser massive multiple-input multiple-output (MIMO) systems, including uplink/downlink channel estimation and user scheduling for data transmission. A discrete Fourier transform…

Information Theory · Computer Science 2016-01-12 Hongxiang Xie , Feifei Gao , Shun Zhang , Shi Jin

We propose a novel method for user-to-user interference (UUI) mitigation in dynamic time-division duplex multiple-input multiple-output communication systems with multi-antenna users. Specifically, we consider the downlink data transmission…

Signal Processing · Electrical Eng. & Systems 2024-08-08 Martin Andersson , Tung T. Vu , Pål Frenger , Erik G. Larsson

With the successful demonstration of in-band full-duplex (IBFD) transceivers, a new research dimension has been added to wireless networks. This paper proposes an interesting use case of this capability for IBFD self-backhauling…

Networking and Internet Architecture · Computer Science 2017-02-21 Ankit Sharma , Radha Krishna Ganti , J. Klutto Milleth

Recently, a mmWave-based access and backhaul integration HetNetsarchitecture (mABHetNets) has been envisioned to provide the high link capacity in both access and backhaul links. In mABHetNets, the access link and the backhaul link will…

Networking and Internet Architecture · Computer Science 2019-11-05 Hao Wu , Chenwu Zhang , Hancheng Lu , Qi Hu

This paper studies the radio resource management (RRM) for the uplink (UL) of a cellular system with codebook-based hybrid beamforming. We consider the often neglected but highly practical multi-channel case with fewer radio frequency…

Networking and Internet Architecture · Computer Science 2025-02-25 Yuan Quan , Haseen Rahman , Catherine Rosenberg

We study optimal user-network association in an integrated 802.11 WLAN and 3G-UMTS hybrid cell. Assuming saturated resource allocation on the downlink of WLAN and UMTS networks and a single QoS class of mobiles arriving at an average…

Networking and Internet Architecture · Computer Science 2007-05-23 Dinesh Kumar , Eitan Altman , Jean-Marc Kelif

This paper studies integrated sensing and communication (ISAC) with dynamic time division duplex (DTDD) cell-free (CF) massive multiple-input multiple-output~(mMIMO) systems. DTDD enables the CF mMIMO system to concurrently serve both…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Anubhab Chowdhury , Sai Subramanyam Thoota , Erik G. Larsson

Millimeter wave (mmWave) links have the potential to offer high data rates and capacity needed in fifth generation (5G) networks, however they have very high penetration and path loss. A solution to this problem is to bring the base station…

Information Theory · Computer Science 2017-05-15 Osama Waqar Bhatti , Haris Suhail , Uzair Akbar , Syed Ali Hassan , Haris Pervaiz , Leila Musavian , Qiang Ni

We develop a framework based on deep reinforce-ment learning (DRL) to solve the spectrum allocation problem inthe emerging integrated access and backhaul (IAB) architecturewith large scale deployment and dynamic environment. The avail-able…

Information Theory · Computer Science 2020-04-29 Wanlu Lei , Yu Ye , Ming Xiao

To make indoor industrial cell-free massive multiple-input multiple-output (CF-mMIMO) networks free from wired fronthaul, this paper studies a multicarrier-division duplex (MDD)-enabled two-tier terahertz (THz) fronthaul scheme. More…

Information Theory · Computer Science 2023-05-11 Bohan Li , Diego Dupleich , Guoqing Xia , Huiyu Zhou , Yue Zhang , Pei Xiao , Lie-Liang Yang

Future telecommunication systems are expected to co-exist with different backhauling nodes such as terrestrial or satellite systems. Satellite connectivity can add flexibility to backhauling networks and provide an alternative route for…

Networking and Internet Architecture · Computer Science 2019-11-14 Engin Zeydan , Yekta Turk

Limited backhaul bandwidth and blockage effects are two main factors limiting the practical deployment of millimeter wave (mmWave) networks. To tackle these issues, we study the feasibility of relaying as well as caching in mmWave networks.…

Networking and Internet Architecture · Computer Science 2020-08-19 Zhuojia Gu , Hancheng Lu , Ming Zhang , Haizhou Sun , Chang Wen Chen

Dynamic time-division duplexing (TDD) is considered a promising solution to deal with fast-varying traffic often found in ultra-densely deployed networks. At the same time, it generates more interference which may degrade the performance of…

Information Theory · Computer Science 2017-04-28 Haris Celik , Ki Won Sung

Massive MIMO is considered as one of the key enablers of the next generation 5G networks.With a high number of antennas at the BS, both spectral and energy efficiencies can be improved. Unfortunately, the downlink channel estimation…

Information Theory · Computer Science 2017-12-11 Ali Maatouk , Salah Eddine Hajri , Mohamad Assaad , Hikmet Sari , Serdar Sezginer

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

Deploying sub-6GHz network together with millimeter wave (mmWave) is a promising solution to simultaneously achieve sufficient coverage and high data rate. In the heterogeneous networks (HetNets), the traditional coupled access, i.e., the…

Signal Processing · Electrical Eng. & Systems 2017-11-03 Minwei Shi , Kai Yang , Chengwen Xing , Rongfei Fan

This paper considers a cellular system with a full-duplex base station and half-duplex users. The base station can activate one user in uplink or downlink (half-duplex mode), or two different users one in each direction simultaneously…

Information Theory · Computer Science 2018-05-01 Shahram Shahsavari , David Ramirez , Elza Erkip