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Related papers: Integrated Access and Backhaul in Cell-free Massiv…

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Integrated Access and Backhaul (IAB) is being investigated as a means to overcome deployment costs of ultra-dense 5G millimeter wave (mmWave) networks by realizing wireless backhaul links to relay the access traffic. For the development of…

Networking and Internet Architecture · Computer Science 2019-06-05 Michele Polese , Marco Giordani , Tommaso Zugno , Arnab Roy , Sanjay Goyal , Douglas Castor , Michele Zorzi

The recently proposed NR-ready integrated access and backhaul (IAB) architecture promises to bring a cost-efficient deployment solution for both coverage extension and capacity boosting in future 5G/5G+ systems. While its impact on the…

Networking and Internet Architecture · Computer Science 2022-05-20 Yekaterina Sadovaya , Dmitri Moltchanov , Wei Mao , Oner Orhan , Shu-ping Yeh , Hosein Nikopour , Shilpa Talwar , Sergey Andreev

Cell-free massive MIMO (multiple-input multiple-output) enhances spectral and energy efficiency compared to conventional cellular networks by enabling joint transmission and reception across a large number of distributed access points…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Özlem Tuğfe Demir , Emil Björnson

Cell-free massive MIMO systems have promising data rate and uniform coverage gains. These systems, however, typically rely on optical fiber based fronthaul for the communication between the central processing unit (CPU) and the distributed…

Information Theory · Computer Science 2022-08-09 Umut Demirhan , Ahmed Alkhateeb

Recently, the millimeter wave (mmWave) bands have been investigated as a means to support the foreseen extreme data rate demands of next-generation cellular networks (5G). However, in order to overcome the severe isotropic path loss and the…

Networking and Internet Architecture · Computer Science 2019-11-11 Michele Polese , Marco Giordani , Arnab Roy , Sanjay Goyal , Douglas Castor , Michele Zorzi

As the dense deployment of access points (APs) in cell-free massive multiple-input multiple-output (CF-mMIMO) systems presents significant challenges, per-AP coverage can be expanded using large-scale antenna arrays (LAAs). However, this…

Signal Processing · Electrical Eng. & Systems 2025-10-17 Eunhyuk Park , Seok-Hwan Park , Osvaldo Simeone , Marco Di Renzo , Shlomo Shamai

Integrated access and backhaul (IAB) networks have the potential to provide high data rate in both access and backhaul networks by sharing the same spectrum. Due to the dense deployment of small base stations (SBSs), IAB networks connect…

Signal Processing · Electrical Eng. & Systems 2021-06-07 Chao Fang , Charitha Madapatha , Behrooz Makki , Tommy Svensson

With the increasing network densification, it has become exceedingly difficult to provide traditional fiber backhaul access to each cell site, which is especially true for small cell base stations (SBSs). The increasing maturity of…

Information Theory · Computer Science 2017-10-18 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

One of the key technologies for the future cellular networks is full duplex (FD)-enabled integrated access and backhaul (IAB) networks operating in the millimeter-wave (mmWave) frequencies. The main challenge in realizing FD-IAB networks is…

Information Theory · Computer Science 2021-04-02 Junkai Zhang , Navneet Garg , Mark Holm , Tharmalingam Ratnarajah

Integrated access and backhaul (IAB) is one of the promising techniques for 5G networks and beyond (6G), in which the same node/hardware is used to provide both backhaul and cellular services in a multi-hop architecture. Due to the…

Networking and Internet Architecture · Computer Science 2025-07-29 Charitha Madapatha , Piotr Lechowicz , Carlos Natalino , Paolo Monti , Tommy Svensson

Wireless backhaul allows densification of mobile networks without incurring additional fiber deployment cost. This, in turn, leads to high spatial reuse, which is a significant tool to meet increasing wireless demand in 5G networks.…

Information Theory · Computer Science 2018-04-03 Muhammad Nazmul Islam , Navid Abedini , Georg Hampel , Sundar Subramanian , Junyi Li

Integrated access and backhaul (IAB) facilitates cost-effective deployment of millimeter wave(mmWave) cellular networks through multihop self-backhauling. Full-duplex (FD) technology, particularly for mmWave systems, is a potential means to…

Signal Processing · Electrical Eng. & Systems 2021-12-13 Manan Gupta , Ian P. Roberts , Jeffrey G. Andrews

Integrated access and backhaul (IAB) is one of the promising techniques for 5G networks and beyond (6G), in which the same node/hardware is used to provide both backhaul and cellular services in a multi-hop fashion. Due to the sensitivity…

Networking and Internet Architecture · Computer Science 2022-10-12 Charitha Madapatha , Behrooz Makki , Hao Guo , Tommy Svensson

The next generations of mobile networks will be deployed as ultra-dense networks, to match the demand for increased capacity and the challenges that communications in the higher portion of the spectrum (i.e., the mmWave band) introduce.…

Networking and Internet Architecture · Computer Science 2022-01-25 Matteo Pagin , Tommaso Zugno , Michele Polese , Michele Zorzi

We consider fronthaul-limited generalized zeroforcing-based cell-free massive multiple-input multiple-output (CF-mMIMO) systems with multiple-antenna users and multipleantenna access points (APs) relying on both cooperative beamforming (CB)…

Information Theory · Computer Science 2025-06-18 Zahra Mobini , Ahmet Hasim Gokceoglu , Li Wang , Gunnar Peters , Hien Quoc Ngo

Benefiting from the usage of the high-frequency band, utilizing part of the large available bandwidth for wireless backhauling is feasible without considerable performance sacrifice. In this context, integrated access and backhaul (IAB) was…

Networking and Internet Architecture · Computer Science 2021-08-03 Yongqiang Zhang , Mustafa A. Kishk , Mohamed-Slim Alouini

The unlicensed spectrum is recently considered one of the defining solutions to meet the steadily growing traffic demand. This, in turn, has led to the enhancement for LTE in Release-13 to enable Licensed-Assisted Access (LAA) operations.…

Networking and Internet Architecture · Computer Science 2021-04-21 Biswa P. S. Sahoo , Styabrata Swain , Hung-Yu Wei , Mahasweta Sarkar

We consider an integrated access and backhaul (IAB) node operating in full-duplex (FD) mode. We analyze simultaneous transmission from the New Radio gNB to the IAB node on the backhaul uplink, IAB node to a user equipment (UE) on the access…

Signal Processing · Electrical Eng. & Systems 2022-09-23 Elyes Balti , Chris Dick , Brian L. Evans

With the increasing network densification, it has become exceedingly difficult to provide traditional fiber backhaul access to each cell site, which is especially true for small cell base stations (SBSs). The increasing maturity of…

Information Theory · Computer Science 2018-11-13 Chiranjib Saha , Mehrnaz Afshang , Harpreet S. Dhillon

The communication at mmWave frequencies is a promising enabler for ultra high data rates in the next generation of mobile cellular networks (5G). The harsh propagation environment at such high frequencies, however, demands a dense base…

Networking and Internet Architecture · Computer Science 2019-11-11 Michele Polese , Marco Giordani , Arnab Roy , Douglas Castor , Michele Zorzi
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