60% of the World without Internet Access
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- William Houston
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2 60% of the World without Internet Access 80% 8%? Over 4 Billion people Worldwide without Internet Access About 60% of the World population do not have access to the Internet, wired or wireless 1
3 World Map Scaled According To Population Size 70% 87% 48.1% 52.4% Africa: 27.5% Asia: 34.8% 72% Source: 2
4 Rural and Small town 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/ mile 2 Major urban center: $248,000 Least densely populated: $262 Broadband: 25 Mbps/3 Mbps Source: 3
5 Connectivity Omnification 1,000X in 15 years Exabyte Zetabyte (1,000X) 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 Omnify: Order of magnitude increase every five years 4
6 REEFS Approach to Zetabyte Network Design R EE F S Reliable Energy Efficient Faster Smaller 5
7 Trillion times improvement in the Last 60 years 1956, 5MB hard drive 1946, ENIAC, 30Tons, 167,000,000mm 2, 150,000W, 5K ops/s Octacore (2.1GHz & 1.5 GHz cores) 78 mm 2, ~1W Samsung 16TB SSD (2.5in) Samsung Exynos 7420 processor 6
8 REEFS Limits E 1 bit = kt ln 2= Joule Minimum Energy = ,000000, EE R Reliable Energy Efficient f P = C5 hg = GHz =18, , , GHz =18.55 Billion Trillion Trillion GHz F Faster l P = hg C 3 = m = , , nm S Smaller 7
9 Bandwidth Data Rates Capacity XL Bandwidth Faster Millimeter waves path to REEFS Wireless Systems Millimeter waves (3-300 GHz) < 3 >3GHz 300GHz f XS Antennas Smaller 8
10 Millimeter Waves for 5G Samsung 3GPP 5G presents Samsung Workshop Millimeter demos Over 20 wave mobile 7.5Gb/s peak companies system data rate & support concept at 1.2 Gb/s at Millimeter IEEE WCNC 100 Km/h waves Mar 28 May 13 Oct 14 Oct 17 Sep 17 Oct Samsung demos Gb/s system at 28GHz with 2Km range FCC NOI to examine use of bands above 24GHz for mobile broadband FCC NPRM on Millimeter wave spectrum for 5G 9
11 (Myth) 2 #1: Higher path loss (even in Free space) Ω A = λ2 A e P r P t = A ta r r 2 X times higher frequency propagates X times longer in free space For the same transmit and receive antenna aperture sizes 10
12 (Myth) 2 #2: Low Probability of Line-of-Sight (LoS) r n = n d 1d 2 d 1 +d 2 Millimeter waves provide higher likelihood of LOS due to smaller Fresnel zones Not bothered by objects around the Line-of-Sight 11
13 (Myth) 2 #3: Suitable for Small Cells only = 2 = 2 h th r d The Free-space (on Earth) path loss exponent smaller at Millimeter waves Ground reflection not an issue 12
14 Myths about Millimeter Waves Myth Higher path loss (even in Free space) Low probability of LoS Reality P r = A ta r P t r 2 2 r n = n d 1d 2 d 1 +d 2 Millimeter waves propagate longer for the same antenna area Millimeter waves provide higher likelihood of LOS due to smaller Fresnel zones Suitable for small cells only Have higher Noise = 2 f = hf kt e hf kt 1 = 2 h th r d The Free-space (on Earth) path loss exponent smaller at Millimeter waves Noise reduces with frequency, effect is small though at frequencies of interest Loss (do not bend) around corners I = I 0 sinc 2 d sin Millimeter waves comes out of an opening with more focused energy Absorption (by Foliage, Rain) and Diffused Reflections 13
15 Going smaller for Bigger Gains Ω A = λ2 A e A4 paper: cm 2 Galaxy S6: 101 cm 2 1m 2 A e Antenna Aperture A e = Dλ2 4π D = 4πA e λ 2 Big Gains in coverage, capacity and energy efficiency via mmwave Beamforming Coalescence of access and back-haul Conventional sector antenna, 17dB gain 14
16 Achieving Zetabyte with Terabit/s shared links WAP Tb/s shared Example: 256 cores 16 BW cores [16GHz], Each BW core having 16 Spatial Cores 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 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 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 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 BW Number of comm-cores 256 BW and MIMO cores Aggregate data rate 1.5 Terabit/s Gb/s 15
17 Indoor & Outdoor share the same spectrum '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 outdoor use parallel radio access sharing the same spectrum 16
18 Expanding Mobile broadband to Rural and Small towns Millimeter waves provide tremendous bandwidth to cover least densely populated areas with ultrafast data rates Installing external antennas combined with radio repeaters inside the building can expand coverage to indoors 17
19 Every Being & Everything Connected! Millimeter waves enable Faster, Smaller and Energy- Efficient wireless systems Low-cost Tb/s shared links provide Zetabyte access each for cellular & Wi-Fi. Dream of ubiquitous access to & universal capture of information comes true Connect the Rest 18
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