60% of the World without Internet Access 80% Over 4 Billion - - PowerPoint PPT Presentation
60% of the World without Internet Access 80% Over 4 Billion - - PowerPoint PPT Presentation
60% of the World without Internet Access 80% Over 4 Billion people Worldwide without Internet Access 8% ? About 60% of the World population do not have access to the Internet, wired or wireless
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60% of the World without Internet Access
8% 80% About 60% of the World population do not have access to the Internet, wired or wireless Over 4 Billion people Worldwide without Internet Access ?
http://www.internetlivestats.com/internet-users/
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World Map Scaled According To Population Size
Source: http://www.iflscience.com/environment/world-map-scaled-population-size http://www.internetworldstats.com/stats.htm
Africa: 27.5% Asia: 34.8% 52.4% 87% 70% 72% 48.1%
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Rural and Small town America
Source: https://www.fcc.gov/reports/2015-broadband-progress-report http://mobilefuture.org/resources/the-truth-about-spectrum-deployment-in-rural-america/
FCC 2015 Broadband Progress Report 17% of all Americans (55 million) & 53% of rural Americans (22 million) lack access to Broadband.
Only 8 percent of urban Americans lack access to broadband.
Wireless Revenue Potential/ mile2
Major urban center: $248,000 Least densely populated: $262
Broadband: 25 Mbps/3 Mbps
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Connectivity Omnification
Omnify: Order of magnitude increase every five years
1,000X in 15 years Exabyte ๏ฎ Zetabyte (1,000X)
2013 ๏ฎ 2028
1 Zetabyte = 200 GB/month for 5 Billion 5G and Wi-Fi to carry similar traffic 1Tb/s peak data rate
Wi-Fi: 2027 Cellular: 2030
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REEFS Approach to Zetabyte Network Design
R Reliable EE Energy Efficient F Faster S Smaller
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Trillion times improvement in the Last 60 years
1956, 5MB hard drive 1946, ENIAC, 30Tons, 167,000,000mm2, 150,000W, 5K ops/s Samsung Exynos 7420 processor
Octacore (2.1GHz & 1.5 GHz cores) 78 mm2, ~1W
Samsung 16TB SSD (2.5in)
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REEFS Limits
๐
๐ = ๐ท5 โ๐ป = 1.855 ร1034GHz
=18,550000000,000000000000,000000000000 GHz =18.55 Billion Trillion Trillion GHz
๐๐ =
โ๐ป ๐ท3 = 1.616 ร10โ35m =
1.616 100,000000000000,000000000000nm
๐น1โ๐๐๐ข = ๐๐ ln 2=2.87ร 10โ21 Joule
๐๐๐๐๐๐ฃ๐ ๐น๐๐๐ ๐๐ง =
2.87 1,000000,000000nJ/bit
R Reliable EE Energy Efficient F Faster S Smaller
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Millimeter waves โ path to REEFS Wireless Systems
XS Antennas XL Bandwidth Millimeter waves (3-300 GHz) Faster Smaller
< 3
>3GHz 300GHz
f
Bandwidth ๏ฎ Data Rates ๏ฎ Capacity
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Millimeter Waves for 5G
Samsung presents Millimeter wave mobile system concept at IEEE WCNC Samsung demos Gb/s system at 28GHz with 2Km range Samsung demos 7.5Gb/s peak data rate & 1.2 Gb/s at 100 Km/h FCC NOI to examine use
- f bands
above 24GHz for mobile broadband 3GPP 5G Workshop Over 20 companies support Millimeter waves FCC NPRM
- n Millimeter
wave spectrum for 5G
Oct 17 Sep 17 Oct 23 Mar 28
2011 2013 2014 2014 2015 2015
Oct 14 May 13
http://wcnc2011.ieee-wcnc.org/tut/t1.pdf
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(Myth)2 #1: Higher path loss (even in Free space)
ฮฉ๐ต = ๐2 ๐ต๐
๐
๐
๐๐ข = ๐ต๐ข๐ต๐ ๐ ๏ฌ 2
X times higher frequency propagates X times longer in free space
For the same transmit and receive antenna aperture sizes
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(Myth)2 #2: Low Probability of Line-of-Sight (LoS)
๐
๐ =
๐๏ฌ๐1๐2 ๐1 +๐2
Millimeter waves provide higher likelihood of LOS due to smaller Fresnel zones
Not bothered by objects around the Line-of-Sight
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(Myth)2 #3: Suitable for Small Cells only
The โFree-spaceโ (on Earth) path loss exponent smaller at Millimeter waves
Ground reflection not an issue
๏ฑ๏ = 2๏ฐ๏ ๏ฌ = 2๏ฐโ๐ขโ๐ ๏ฌ๐
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Myths about Millimeter Waves
Myth Reality
Higher path loss (even in Free space) ๐
๐
๐๐ข = ๐ต๐ข๐ต๐ ๐ 2๏ฌ2 Millimeter waves propagate longer for the same antenna area Low probability of LoS ๐
๐ =
๐๏ฌ๐1๐2 ๐1 +๐2 Millimeter waves provide higher likelihood of LOS due to smaller Fresnel zones Suitable for small cells
- nly
๏ฑ๏ = 2๏ฐ๏ ๏ฌ = 2๏ฐโ๐ขโ๐ ๏ฌ๐ The โFree-spaceโ (on Earth) path loss exponent smaller at Millimeter waves Have higher Noise ๏จ ๐ =
โ๐ ๐๐
๐
โ๐ ๐๐
โ1
Noise reduces with frequency, effect is small though at frequencies of interest Loss (do not bend) around corners ๐ฝ ๏ฑ = ๐ฝ0๐ก๐๐๐2 ๐๏ฐ ๏ฌ ๐ก๐๐ ๏ฑ Millimeter waves comes out of an opening with more focused energy
Absorption (by Foliage, Rain) and Diffused Reflectionsโฆ
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Going smaller for Bigger Gains
Big Gains in coverage, capacity and energy efficiency via mmWave Beamforming Coalescence of access and back-haul
Antenna Aperture ๐ต๐ = ๐ธ๐2 4๐ โ ๐ธ = 4๐๐ต๐ ๐2
Galaxy S6: 101 cm2
Ae
A4 paper: 623.7 cm2
Conventional sector antenna, 17dB gain
1m2
ฮฉ๐ต = ๐2 ๐ต๐
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Achieving Zetabyte with Terabit/s shared links
Parameter Value Comments Transmit Power 20 dBm Possibly multiple PAs Transmit Antenna Gain 32 dBi Element + array gain Carrier Frequency 100 GHz
- Ref. for calculations
Distance 200 meters Propagation Loss 118.42 dB Other path losses 10 dB Some NLOS Tx front end loss 3 dB Non-ideal RF Receive Antenna Gain 23 dB Element + array gain Received Power
- 56.42 dBm
Bandwidth (BW) 1 GHz BW / comm-core Thermal Noise PSD
- 174 dBm/Hz
Receiver Noise Figure 5.00 dB Thermal Noise
- 79 dBm
SNR 22.58 dB Implementation loss 5 dB Non-ideal baseband Spectram Efficiency (SE) 5.86 b/s/Hz Data rate / comm-core 5.86 Gb/s SE ร BW Number of comm-cores 256 BW and MIMO cores Aggregate data rate 1.5 Terabit/s 256ร5.86 Gb/s
WAP Tb/s shared Example: 256 cores 16 BW cores [16GHz], Each BW core having 16 Spatial Cores
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'Green' buildings form a Faraday Cage effectively shielding all electrical fields from passing through In order to provide larger overall capacity in urban areas, Indoor and
- utdoor use parallel radio access
sharing the same spectrum
Indoor & Outdoor share the same spectrum
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Expanding Mobile broadband to Rural and Small towns
Millimeter waves provide tremendous bandwidth to cover least densely populated areas with ultra- fast data rates Installing external antennas combined with radio repeaters inside the building can expand coverage to indoors
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