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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

This paper considers networked sensing in cellular network, where multiple base stations (BSs) first compress their received echo signals from multiple targets and then forward the quantized signals to the central unit (CU) via…

Signal Processing · Electrical Eng. & Systems 2024-09-09 Weifeng Zhu , Shuowen Zhang , Liang Liu

Millimeter wave (mmW) cellular systems will require high gain directional antennas and dense base station (BS) deployments to overcome high near field path loss and poor diffraction. As a desirable side effect, high gain antennas provide…

Information Theory · Computer Science 2015-03-20 Sarabjot Singh , Mandar N. Kulkarni , Amitava Ghosh , Jeffrey G. Andrews

In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

Millimeter wave (mmWave) localization algorithms exploit the quasi-optical propagation of mmWave signals, which yields sparse angular spectra at the receiver. Geometric approaches to angle-based localization typically require to know the…

Networking and Internet Architecture · Computer Science 2022-05-23 Anish Shastri , Joan Palacios , Paolo Casari

The Multi-Carrier Code Division Multiple Access (MC-CDMA) is becoming a very significant downlink multiple access technique for high-rate data transmission in the fourth generation wireless communication systems. By means of efficient…

Networking and Internet Architecture · Computer Science 2012-09-17 Hema Kale , C. G. Dethe , M. M. Mushrif

Coordinated information processing by the base stations of multi-cell wireless networks enhances the overall quality of communication in the network. Such coordinations for optimizing any desired network-wide quality of service (QoS)…

Information Theory · Computer Science 2015-05-20 Ali Tajer , Narayan Prasad , Xiaodong Wang

Radio localization and sensing are anticipated to play a crucial role in enhancing radio resource management in future networks. In this work, we focus on millimeter-wave communications, which are highly vulnerable to blockages, leading to…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Hiba Dakdouk , Mohamed Sana , Benoit Denis

Cooperative spectrum sensing has been proven to improve sensing performance of cognitive users in presence of spectral diversity. For multi-channel CRN (MC-CRN), designing a cooperative spectrum sensing scheme becomes quite challenging as…

Networking and Internet Architecture · Computer Science 2017-11-08 Prakash Chauhan , Sanjib K. Deka , Monisha Devi , Nityananda Sarma

We consider the mobile localization problem in future millimeter-wave wireless networks with distributed Base Stations (BSs) based on multi-antenna channel state information (CSI). For this problem, we propose a Semi-supervised tdistributed…

Machine Learning · Computer Science 2021-11-29 Junquan Deng , Wei Shi , Jian Hu , Xianlong Jiao

The millimeter wave spectra at 71-76GHz (70GHz) and 81-86GHz (80GHz) have the potential to endow fifth-generation new radio (5G-NR) with mobile connectivity at gigabit rates. However, a pressing issue is the presence of incumbent systems in…

Signal Processing · Electrical Eng. & Systems 2018-11-27 Ghaith Hattab , Eugene Visotsky , Mark Cudak , Amitava Ghosh

Large-scale multiple-input multiple-output (MIMO) with high spectrum and energy efficiency is a very promising key technology for future 5G wireless communications. For large-scale MIMO systems, accurate channel state information (CSI)…

Information Theory · Computer Science 2015-11-30 Zhen Gao , Linglong Dai , Zhaocheng Wang

This paper proposes a dual-connectivity (DC) profile allocation algorithm, in which a central macro base station (MBS) is underlaid with randomly scattered small base stations (SBSs), operating on different carrier frequencies. We introduce…

Networking and Internet Architecture · Computer Science 2015-05-13 Minho Kim , Sang Yeob Jung , Seong-Lyun Kim

Recently, a mmWave-based access and backhaul integration heterogeneous networks (HetNets) architecture (mABHetNets) has been envisioned to provide high wireless capacity.Since the access link and the backhaul link share the same mmwave…

Networking and Internet Architecture · Computer Science 2019-11-13 Chenwu Zhang , Hao Wu , Hancheng Lu , Jinxue Liu

One of the most promising approaches to overcome the uncertainty and dynamic channel variations of millimeter wave (mmW) communications is to deploy dual-mode base stations that integrate both mmW and microwave ($\mu$W) frequencies. In…

Information Theory · Computer Science 2017-09-06 Omid Semiari , Walid Saad , Mehdi Bennis , Behrouz Maham

Millimeter wave frequencies will likely be part of the fifth generation of mobile networks and of the 3GPP New Radio (NR) standard. MmWave communication indeed provides a very large bandwidth, thus an increased cell throughput, but how to…

Networking and Internet Architecture · Computer Science 2018-09-06 Tommy Azzino , Matteo Drago , Michele Polese , Andrea Zanella , Michele Zorzi

In this paper, we investigate the downlink secure beamforming (BF) design problem of cloud radio access networks (C-RANs) relying on multicast fronthaul, where millimeter-wave and microwave carriers are used for the access links and…

Information Theory · Computer Science 2020-02-12 Wanming Hao , Gangcan Sun , Jiankang Zhang , Pei Xiao , Lajos Hanzo

The millimeter wave (mmWave) band has the potential to provide high throughput among wearable devices. When mmWave wearable networks are used in crowded environments, such as on a bus or train, antenna directivity and orientation hold the…

Information Theory · Computer Science 2015-12-03 Kiran Venugopal , Matthew C. Valenti , Robert W. Heath

Multiple-input multiple-output (MIMO) millimeter wave (mmWave) communication is a key technology for next generation wireless networks. One of the consequences of utilizing a large number of antennas with an increased bandwidth is that…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Mingjin Wang , Feifei Gao , Mark F. Flanagan , Nir Shlezinger , Yonina C. Eldar

In this paper, two modulation schemes based on complementary sequences (CSs) are proposed for uplink control channels in unlicensed bands. These schemes address high peak-to-average-power ratio (PAPR) under non-contiguous resource…

Information Theory · Computer Science 2020-06-30 Alphan Sahin , Rui Yang
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