Millimeter-Wave Cellular Wireless Networks: Potentials and Challenges
Sundeep Rangan,Theodore S. Rappaport,Elza Erkip +2 more
- Vol. 102, Iss: 3, pp 366-385
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TLDR
Measurements and capacity studies are surveyed to assess mmW technology with a focus on small cell deployments in urban environments and it is shown that mmW systems can offer more than an order of magnitude increase in capacity over current state-of-the-art 4G cellular networks at current cell densities.Abstract:
Millimeter-wave (mmW) frequencies between 30 and 300 GHz are a new frontier for cellular communication that offers the promise of orders of magnitude greater bandwidths combined with further gains via beamforming and spatial multiplexing from multielement antenna arrays. This paper surveys measurements and capacity studies to assess this technology with a focus on small cell deployments in urban environments. The conclusions are extremely encouraging; measurements in New York City at 28 and 73 GHz demonstrate that, even in an urban canyon environment, significant non-line-of-sight (NLOS) outdoor, street-level coverage is possible up to approximately 200 m from a potential low-power microcell or picocell base station. In addition, based on statistical channel models from these measurements, it is shown that mmW systems can offer more than an order of magnitude increase in capacity over current state-of-the-art 4G cellular networks at current cell densities. Cellular systems, however, will need to be significantly redesigned to fully achieve these gains. Specifically, the requirement of highly directional and adaptive transmissions, directional isolation between links, and significant possibilities of outage have strong implications on multiple access, channel structure, synchronization, and receiver design. To address these challenges, the paper discusses how various technologies including adaptive beamforming, multihop relaying, heterogeneous network architectures, and carrier aggregation can be leveraged in the mmW context.read more
Citations
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Hybrid Beamforming and Passive Reflection Design for RIS-Assisted mmWave MIMO Systems
TL;DR: In this paper, the authors considered RIS-assisted mmWave MIMO systems, in which both the hybrid beamforming schemes at the transceivers and the RIS employ low-resolution phase shifters (PSs) for practical implementation.
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Single-Bit Millimeter Wave Beam Alignment Using Error Control Sounding Strategies
Vinayak Suresh,David J. Love +1 more
TL;DR: This work considers both adaptive and non-adaptive channel sounding techniques which are robust to erroneous feedback signals caused by noisy quantization, and exploits the sparse nature of the millimeter wave channel to pose the beamforming problem as a questioning strategy.
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Pretty-small four-port dual-wideband 28/38 GHz MIMO antenna with robust isolation and high diversity performance for millimeter-wave 5G wireless systems
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Power-Efficient Beam Tracking During Connected Mode DRX in mmWave and Sub-THz Systems
TL;DR: It is shown that it is feasible to reduce power consumption by 75% and still achieve up to 95% of the maximum throughput using digital beamforming at 28 GHz (140 GHz), subject to an outage probability of at most 1%.
Proceedings ArticleDOI
Joint Power and Beamwidth Optimization for Full Duplex Millimeter Wave Indoor Wireless Systems
Akhtar Saeed,Ozgur Gurbuz +1 more
TL;DR: The proposed joint power and beamwidth control scheme for full duplex (FD) millimeter wave (mmWave) indoor wireless systems promises a good potential for indoor wireless networks.
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TL;DR: In this article, the authors describe five technologies that could lead to both architectural and component disruptive design changes: device-centric architectures, millimeter wave, massive MIMO, smarter devices, and native support for machine-to-machine communications.
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