Millimeter-Wave Cellular Wireless Networks: Potentials and Challenges
Sundeep Rangan,Theodore S. Rappaport,Elza Erkip +2 more
- Vol. 102, Iss: 3, pp 366-385
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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Proceedings ArticleDOI
Diffuse Scattering Models for mmWave V2X Communications in Urban Scenarios
TL;DR: The conclusions are that both received power levels and delay spread produce better estimates when the diffuse scatter models are enabled in the Wireless InSite ray-tracer that the paper uses.
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Beamforming Oriented Topology Control for mmWave Networks
TL;DR: A novel framework for network topology control in mmWave networks, termed Beamforming Oriented tOpology coNtrol (BOON), to reduce total transmit power of base stations and interference between beams and the results indicate that overall BOON significantly outperforms them.
Frame-theoretic Designs for Future Wireless Communications
TL;DR: Over-complete redundant representations of non-orthogonal signal decompositions provide alternative, yet robust representations, and respectively, aid signal processing of modern and future wireless communications systems beyond the limitations of their traditional orthogonal counterparts.
Book ChapterDOI
Performance Comparison of Multi-band Frequencies for Outdoor Communication
TL;DR: A comparison between the performance of C-, S- and Millimeter Waves (mm-Waves) bands with different range of frequencies has been presented and showed that S-band produce the best results in term of delay spread, path loss, received power, ASQ and ARP as compared with other frequencies.
Proceedings ArticleDOI
Performance Analysis of Millimeter Wave Cloud Radio Access Networks
TL;DR: The presented results show that due to the severe path loss in NLOS links, in low transmitted power regime, the best RRH (BR) is always LOS, however, in high transmittedPower regime, NLOS RRHs can be BR.
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