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LTE Latin America 2013                  16-17 April 2013                 Windsor Barra Hotel,                 Rio de Janei...
Telecom is Changing                                                                                                       ...
Telecom is Changingand data becomes video …                                                                               ...
We need to be prepared!                                                 1000 x Traffic                                    ...
System Capacity 𝑪 𝒃𝒑𝒔 ≤ 𝑲 𝟏 ∙ 𝑩(𝑯𝒛) ∙ 𝒍𝒐𝒈 𝟐 𝟏 + 𝑲 𝟐 ∙ 𝑺𝑵𝑹      More Spectrum   New            Split Cells                 ...
Frequency Requirements for MBB      ITU-R M.2078 projection for the global spectrum requirements in                       ...
LTE Advanced                           3GPP                    3GPP                          Release 8              Releas...
Access Network Dimensioning                                        Traffic                                                ...
Handling High Density TrafficTraffic Density Effect in Access Network Plan100000,0 Mbps/km2                               ...
Indoor ApplicationNearly 50% of mobile communications                                       Building Penetration Lossoccur...
SmallCells Topology AlternativesResidential and Enterprise (SME) Application - Indoor & Hotspots                          ...
SmallCells vs DASSmallCells                                                                                               ...
Challenges for SmallCells              Backhaul                                  Mobility Management                      ...
Challenges for SmallCells                              Planning                                                           ...
SmallCells and Future New Technologies & Improvements                                                           New Archit...
¡Gracias! Thanks!Obrigado!Alberto Boaventura alberto@oi.net.br
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Lte latam 2013 track d - 1530h - 4 g for the upcoming mega events - alberto boaventura v3.1

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Provides an overview of general telecommunication main trends into mobile broadband and data traffic demands in large crowd concentrations. Analyzes the system capacity for capturing the high density traffic: SmallCells. Brings the main related concerns for SmallCells deployment.

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Lte latam 2013 track d - 1530h - 4 g for the upcoming mega events - alberto boaventura v3.1

  1. 1. LTE Latin America 2013 16-17 April 2013 Windsor Barra Hotel, Rio de Janeiro, Brasil4G for Upcoming Mega Events Alberto Boaventura Diretoria de Tecnologia e Plataformas alberto@oi.net.br +55 21 8875 4998
  2. 2. Telecom is Changing Fixed & Mobile Broadband (Millions) Fixed & Mobile Accesses (Millions) Mobile devices are Telecom becomes mobile ... preferred in the younger 1000 Fixed telephone lines Mobile cellular subscriptions 200 generations for the establishment of Fixed broadband subscriptions 80,0% 18 a 24 telecommunications Mobile broadband subscriptions 25 a 34 services. 60,0% 500 100 40,0% 35 a 44 45 a 54 In Latin America, it is 20,0% expected that the number 0,0% 55 a 64 of mobile broadband Local LD access to overcome the 0 0 65 ~ 2007 2000 2001 2002 2003 2004 2005 2006 2008 2009 2010 2011 2012 2013 2014 2015 Source: SmallCell Forum fixed in 2012. The significant growth forecast for the mobile Source: ITU/ICT/MIS World Device Shipments (Millions) Mobile Internet is justified by the integration of Internet features (for personal use) in a single device, 1.000 Smartphones making it in some years, the primary device Tablets Internet from the desktop. 800 Desktop Netbooks Mini 600 NotebooksMainframe Total smartphone subscriptions reached 1.1 Desktops 10 B+ billion by the end of 2012 and are expected to grow to 3.3 billion in 2018. 400 1 B+ It is estimated that the demand for Tablet and 200 Smartphone will surpass 1 billion shipments by 100 MM+ 2013. 0 1 MM+ 10 MM+ Smartphones represented only 18 percent of 2009 2010 2011 2012 2013 total global handsets in use in 2012, but Source: Morgan Stanley & Nomura 2012 1960 1970 1980 1990 2020+ represented 92% of all handset traffic. LTE and mobile becomes data … World Mobile Subscriptions (Billions) According to Ericsson, mobile data traffic UMTS/HSPA doubled between Q3 2011 and Q3 2012. 10 GSM;EDGETotal (UL+DL) traffic (PetaBytes) 1000 The average smartphone will generate 2.7 Data GB of traffic per month in 2017. Aggregate TD-SCDMA smartphone traffic in 2017 will be 19 times CDMA Voice greater than it is today – Cisco VNI 2012. Other 6 400 It has influenced by rapid technology network lifecycle. The LTE will quickly represent the most expressive growth, representing CAGR around 75% for 2012-2018 against -10% for 2G and 25% for 3G in the same period- 2007 2008 2009 2010 2011 2012 Ericsson 2012. 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 Source: Ericsson 2012 Source: Ericsson 2012 Gerência de Tecnologia e Integração de Serviços
  3. 3. Telecom is Changingand data becomes video … 12 Mobile File Sharing At the same time, it is expected that América Latina the average grows exponentially. In Mobile M2M Exabytes per month6 Mbps Brazil, the growth is 82% year-on- America do Norte year by 2015 according to Cisco Mobile Web/Data5 Mbps Europa Ocidental Mobile Video4 Mbps 6 Brazil3 Mbps Mobile video will grow at a CAGR of2 Mbps 75% between 2012 and 2017, the1 Mbps highest growth rate of any mobile application category. Of the 11.20 Mbps exabytes per month crossing the 2009 2010 2011 2012 2013 2014 2015 mobile network by 2017, 7.4 2012 2013 2014 2015 2016 2017 exabytes will be due to video – Source: Cisco VNI 2010 Cisco VNI 2012. Source: Cisco VNI 2012and video becomes social & cloud …  Facebook has over 1 billion users and monthly 850 million are active.  More than 1 billion unique users visit YouTube each month A half of them use mobile access (488 million users) regularly.  Over 4 billion hours of video are watched each month on YouTube  Every day are uploaded over 250 million photos and, in 2012,  72 hours of video are uploaded to YouTube every minute 210,000 years of music have been played on Facebook.  In 2011, YouTube had more than 1 trillion views or around 140 views for every person on Earth  11 accounts are created every second on Twitter.  25% of global YouTube views come from mobile devices  50% of Twitter users are using the social network via mobile.  People watch one billion views a day on YouTube mobile  YouTube is available on hundreds of millions of devices  The average Instagram user spent 257 minutes accessing the photo- sharing site via mobile device in August 2012, while the average  Traffic from mobile devices tripled in 2011 Twitter user over the same period spent 170 minutes viewing.  More than 5 million photos are uploaded to Instagram every day.  In 2016, Social Newtorking will be second highest penetrated  Nearly 4 billion photos have been shared on Instagram since its consumer mobile service with 2, 4 billion users – 53% of consumer beginning. mobile users - Cisco 2012and mobile, data, video, social, cloud & games become crowd density traffic … On the market demand in dense urban areas during The Convention Industry Council business hours, it has been calculated that 800 Manual guidelines recommend 10 Mbps/km2 are required (BuNGee and Artists4G square feet per person. It represents Projects). 1 Million persons per km2. If all This is an order of magnitude higher than the persons upload video with 64 kbps, it forward looking current state of the art, such as LTE. represents 64 Gbps/km2! Gerência de Tecnologia e Integração de Serviços
  4. 4. We need to be prepared! 1000 x Traffic Concentrated 10 x Usage 10 x Average Throughput 1000 x 1000 x 10 x More devices Gerência de Tecnologia e Integração de Serviços
  5. 5. System Capacity 𝑪 𝒃𝒑𝒔 ≤ 𝑲 𝟏 ∙ 𝑩(𝑯𝒛) ∙ 𝒍𝒐𝒈 𝟐 𝟏 + 𝑲 𝟐 ∙ 𝑺𝑵𝑹 More Spectrum New Split Cells Technologies Gerência de Tecnologia e Integração de Serviços
  6. 6. Frequency Requirements for MBB ITU-R M.2078 projection for the global spectrum requirements in Spectrum Requirements per Operator order to accomplish the IMT-2000 future development, IMT- (Rysavy Research – February 2010): Advanced, in 2020: Region 1 Region 2 Region 3 The expectation is to be needed over than 200 MHz per operator in 2016. 1027 971 MHz 997 MHz 587 MHz MHz 531 MHz 557 MHz 693 MHz 693 MHz 749 MHz 749 MHz 723 MHz 723 MHz Low High Low High Low High Licensed spectrum New spectrum New technologies  ITU-R forecasts a need of 1280 to 1720  FCC: Make 500 MHz of spectrum newly  Spectrum Aggregation MHz in the medium term for IMT available for broadband within 10 years  Sensing and Cognitive radio (before 2020)  European Comm.: 1200 MHz (incl. exist. 625 technologies for spectrum sharing  Global IMT spectrum of 715 MHz MHz) to be allocated to mobile broadband  Offloading with fallback techniques to currently available, plus <300 MHz on by 2015 exclusive global bands, e.g. for a regional basis  Need to consider shared spectrum: mobility/roaming.  WRC’12 confirmed the intention to Unlicensed spectrum, unlicensed secondary allocate more spectrum to IMT in the usage or Licensed Secondary Access (LSA) 700 MHz band (~90 MHz) e.g. in TV white space, Band UL DL Width WRC 3GPP (LTE) Anatel (MHz) (MHz) (*) 450 MHz 451-457 461-468 14 MHz 2007 Not defined Res 558/2010 In Brazil, the total amount of frequency 700 MHz 703-748 758-803 90 MHz 2007 Bands 12, CP 12/2013 is 330 MHz (Res 454) 13, 17 & 28 850 MHz 824 - 849 869 - 894 25 MHz 2000 Band 5 Res 454/2006 and recently 204 MHz Capacity : >2 GHz 900 MHz 898,5 - 901; 907,5 - 915; 10 MHz 2000 Band 8 Res 454/2006 have been available with LTE auction. Coverage or Capacity : > 1 GHz & <2 GHz 943,5 - 946 952,5 - 960 1800 MHz 1.710-1785 1805-1880 150 MHz 1992/ Band 3 Res 454/2006 But due CAP 2000 constraint, only 120- Coverage: < 1 GHz 140 MHz per operator 2100 MHz 1920-1975 2110-2165 110 MHz 2000 Band 1 Res 454/2006 is allowed. Combined usage for LTE Advanced 2600 MHz 2500-2570 2620-2690 140 MHz 2007 Band 7 Res 544/2010 3500 MHz 3400-3600 (TDD) 200 MHz 2007 Band 43 Res 537/2010 Gerência de Tecnologia e Integração de Serviços
  7. 7. LTE Advanced 3GPP 3GPP Release 8 Release 10 ITU-R M.2034 Spectral Efficiency DL 15 bits/Hz UL 6.75 bits/Hz Latency User Plane < 10 ms ADVANCED Control Plane < 100 ms 3GPP TR 36.913 Bandwidth ITU-R M.2034 40 MHz ITU-R M.1645 100 MHz Carrier Aggregation High Order DL-MIMO Colaboration MIMO Multihop Relay Intra & Inter Band & Advanced UL-MIMO (CoMP) e HetNet Smallcells Heterogeneous Network Multihop Band X Relay Band yLTE Roadmap High order MIMO Carrier Aggregation Hetnet/CoMP Release 8/9 Release 10/11 Release 12/13 SmallCells20 MHz OFDM Carrier Aggregation Small Cells Enh.SC-FDMA UL 4x4 MIMO CoMP Enh.DL 4x4 MIMO DL/UL CoMP LTE –A Capacity FD-MIMO (x3.53)SON, HeNB HetNet (x4.33) DiverseTraffic Support MU-MIMO (x1.14) LTE Coverage Gerência de Tecnologia e Integração de Serviços
  8. 8. Access Network Dimensioning Traffic Exceeded Traffic 𝑨𝒄 System GrowthCapacity More Spectrum New technologies Coverage Cell Range Split Cells 𝑪𝒕 #𝑺𝒕𝒂𝒕𝒊𝒐𝒏𝒔 = 𝑴𝒂𝒙 𝑪𝒐𝒗𝒆𝒓𝒂𝒈𝒆; 𝑪𝒂𝒑𝒂𝒄𝒊𝒕𝒚 Where: A: Coverage Area Ac: Base Station Coverage Area 𝑨 𝑫 𝑪𝒐𝒗𝒆𝒓𝒂𝒈𝒆 = 𝑪𝒂𝒑𝒂𝒄𝒊𝒕𝒚 = D: Traffic Demand 𝑨𝒄 𝑪𝒕 Ct: Base Station Traffic Capacity Capacity 𝑪𝒐𝒗𝒆𝒓𝒂𝒈𝒆 𝑪𝒐𝒗𝒆𝒓𝒂𝒈𝒆 Investment 𝑨 > 𝑫 𝑪𝒕 > 𝑫 ↑ 𝑪𝒕 < < D/A: Traffic Demand Density (Traf/km2) 𝑫 𝑨𝒄 𝑪𝒕 𝑨𝒄 𝑨 Ct/Ac: System Offering Dens. (Traf/km2) 𝑨𝒄 𝑪𝒂𝒑𝒂𝒄𝒊𝒕𝒚 𝑪𝒂𝒑𝒂𝒄𝒊𝒕𝒚 𝑨 ↓ Coverage Traffic Demand Density System Offering Density System Rural Suburban Urbao GSM 1800 MHz (5) 0,1 Erl/km2 3,2 Erl/km2 45,3 Erl/km2 𝑫 𝑪𝒕 𝑫 𝑪𝒕 𝑫 𝑪𝒕 UMTS 2100 MHz (5) 8,0 Erl/km2 41,7 Erl/km2 264,2 Erl/km2 > < = 𝑨 𝑨𝒄 𝑨 𝑨𝒄 𝑨 𝑨𝒄 No No HSPA+ 2100 (10) 10,4 Mbps/km2 21,5 Mbps/km2 35,3 Mbps/km2 LTE 700 MHz (10) 1,4 Mbps/km2 3,0 Mbps/km2 5,4 Mbps/km2 Yes Yes Yes LTE 1800 MHz (10) 9,2 Mbps/km2 19,4 Mbps/km2 32,3 Mbps/km2 LTE 2600 MHz (10) 16,4 Mbps/km2 33,6 Mbps/km2 53,3 Mbps/km2 Higher Cell Optimized LTE 2600 MHz (20) 32,8 Mbps/km2 67,2 Mbps/km2 106,6 Mbps/km2 Capacity SmallCell 2600 MHz (10) 8584,7 Mbps/km2 Investment Range, lower Investment investment SmallCell 2600 MHz (20) 17169,3 Mbps/km2 level Gerência de Tecnologia e Integração de Serviços
  9. 9. Handling High Density TrafficTraffic Density Effect in Access Network Plan100000,0 Mbps/km2  Bands below 1 GHz, such as 700 MHz is applicable HSPA+ 2100 (10) for low density traffic, like: product in initial 10000,0 Mbps/km2 LTE 700 MHz (10) lifecycle; suburban and rural areas; LTE 1800 MHz (10) 1000,0 Mbps/km2  When traffic is becoming more density, there is no LTE 2600 MHz (10) LTE 2600 MHz (20) difference between high and low spectrum band 100,0 Mbps/km2 SmallCell 2600 MHz (10)  For crowd density traffic, SmallCells has higher 10,0 Mbps/km2 SmallCell 2600 MHz (20) capacity than macro cells with very cost effective Artists  Qualcomm estimates the gain for 32 SmallCells 1,0 Mbps/km2 Crowd Traffic Rural Suburban Urban increase the network capacity in 37 x macro cells. Coverage Capacity Capacity 2015 2016  The blue line shows the system density capacity (Ct/Ac) for 500,0 Mbps/km2 LTE with 50 RBs in function of Cell Range (km); 2016 400,0 Mbps/km2  The coverage plan of (Cell Range = 640 m) meets the 156% demands of 2013 and 2014; 156% 300,0 Mbps/km2  However in 2015, the Cell Range must reduce to 400 m to 200,0 Mbps/km2 accommodate all demand this year. The impact is the need to increase the number of sites by 156% ; 2015 100,0 Mbps/km2  In 2016, the Cell Range reduction is 250 m., the new 0,0 Mbps/km2 impact is the increase of 156%; 2014 2013 0,7 km 0,6 km 0,5 km 0,4 km 0,3 km  At this moment Small Cells can be an alternative; Cell Site CapEx Small Cell, existing fiber CapEx/Mbps New Cell Site 23% 17% 15% 8-year OpEx/Mbps represents a huge Small Cell, NLOS 38% 35% impact in Wireless 52% Operation total cost. Owned Tower 45% 50% 25% And infrastructure is one of the main part. Leased Tower Rooftop 30m Tower 50m Tower Infra BTS Transport $2K $4K $6K Source: Planning Area, Oi, 2012 Source: Mobile Experts, 2012 Gerência de Tecnologia e Integração de Serviços
  10. 10. Indoor ApplicationNearly 50% of mobile communications Building Penetration Lossoccur in indoor environment 2600 MHz 4% 11% In Car 2100 MHz 39% 14% At Home 1800 MHz At Work 900 MHz Travelling 700 MHz 32% Others 0,0 dB 5,0 dB 10,0 dB 15,0 dB 20,0 dB 25,0 dB Source: SmallCell ForumAverage Sector Throughput vs Cell Range Additional Percentage of Macro Cells for60 Mbps Indoor SLA assurance 100%40 Mbps 50% 80%20 Mbps 60% 0 Mbps 40% 0,0 km 0,3 km 0,6 km 20% 2600 MHz(10 MHz) - Indoor 2600 MHz(10 MHz) - Outdoor 0,0 k Usrs/km2 0,8 k Usrs/km2 1,5 k Usrs/km2 Based on simulations, DL loses Due high level of investment in around 50% of average throughput macro cells, SmallCells is applicable in indoor coverage. for indoor coverage, even in low density traffic. In 3G, femtocells have a successful history for traffic offload and gap coverage. Besides providing a solution for high density traffic, LTE SmallCells is a cost effective solution for indoor coverage, even for low traffic density. Gerência de Tecnologia e Integração de Serviços
  11. 11. SmallCells Topology AlternativesResidential and Enterprise (SME) Application - Indoor & Hotspots Mini POP Core Network Aggregation S1-APPL SEG MME (ONT/DSLAM/BRAS) Local Breakout Internet Video Cache (LIPA/SIPTO)Metro Cell & HetNet – Outdoor (eventually indoor) & HetNet Inter-Cell Interference Coordination (ICIC ) Coordinated Multi-Point (CoMP) BBU Hotel Core Network BBU 1 MME S/PGW BBU 2 Video Cache BBU N Internet CPRI (Common Public Radio Interface) Gerência de Tecnologia e Integração de Serviços
  12. 12. SmallCells vs DASSmallCells CPRI  Limited to the throughput of the air interface and backhaul BBU Hotel  Is a mini Base Station in itself BBU 1  Capable to accomodate high density traffic Core Newtork  Not geared toward neutral host operation BBU NDAS (Distributed Antenna Systems) 1 Sector  Limited to the throughput of 1 sector and the air link eNB/DAS  Engineered for coverage BBU  Satisfies requirements for multi-operator transmission Core Newtork (“neutral host”) RRU $ 3,00 According to Infonetics 2012, 73% of operators Indoor SmallCell admitted to having deployed small cells, most $ 2,50 of deployments were of the femtocell variety that typically are limited in coverage to aCost/m2 $ 2,00 single residence. By comparison, 80% had $ 1,50 deployed a DAS system to bolster their cellular Carrier coverage, with a majority of those Wi-Fi $ 1,00 deployments at venues expected to be the Macro primary home for macrocell support. $ 0,50 Stadium The operators interviewed believe DAS will DAS remain a fundamental tool for malls, airports, Repeater 0,01 0,02 0,03 stadiums and the like. Mbps/m2 Source: Mobile Experts, 2012 Gerência de Tecnologia e Integração de Serviços
  13. 13. Challenges for SmallCells Backhaul Mobility Management Interference Mitigation IP Access (MPLS-TP, Metro Eth, MDU) ,  Mobility device in idle state impacts the  Downlink: Terminal camped on in macro Giga-Ether over 150 Mbps per BTS relative load between layers and battery is interfered by a small cell. And Required necessarily optical fiber, but consumption and frequency of terminal served by a small cell to Radio NLOS can be alternative for handovers. connect the edge of cell will be higher capillarity  Increase in handovers due to the small interfered by the macro cell. New synchronism support (IEEE 1588, size of the cells increases the risk of  Uplink : one terminal connected in SyncE) dropped calls (Dropped Call Rate), macro and close to the cell border For CoMP, Latency must be below 1 ms  Devices in connected state may need to creates strong interference in a small HO to a small cell and, if they are on cell next. And large number of New interface other than IP: CPRI connected terminals in small cells different frequencies, will need efficient scheme discovery of small cell that generate uplink interference in the minimizes the impact on battery macro cell. consumption.  They both are addressed with  Traffic/Capacity balancing with several sofisticated mechanisms like ICIC, e-ICIC resources and frequencies and CoMP Core Network MME S/PGW BBU DSLAM SmallCells increases Interferences need to bemobility and impact in addressed by ICIC , e-ICIC Backhaul is IP and requires synchronism,battery consumption and CoMP latency throughput. For CoMP the and DCR. latency must be below 1 ms. Gerência de Tecnologia e Integração de Serviços
  14. 14. Challenges for SmallCells Planning Traffic Capacity  Small cell radius of coverage is reduced compared to macro, it is necessary to locate accurately the traffic sources;  The installation of small cell (site acquisition) occurs with small error regarding the location planned. Coverage  Heterogeneous RF planning requires how traffic will be handled by Smallcells each layer. SON with Automatic Inventory and Automatic Neighbor  For maximum result from the limited range making the reuse of the Relations in conjunction with spectrum. CoMP and ICICI can minimize the  Reuse requires a plan of distribution of the cells very well done. planning impact issue Deployment and Rollout  Site aquisition: Given the limitation on the scope of the small cell, you have to know exactly where the traffic is generated and get the  rights to install that exact spot.  New types of leases should be developed.  The expectation for the installation of Small scale is Cells that are an order of magnitude greater than the macro cells .  Visual Polution: Due a number of SmallCells, the shape and format may impact in acceptance to install in building and public facilities.   Operational  The range in the number of radio stations in the layer of Small Cells should be an order of magnitude larger than the current one.  The way to optimize and operate should fit depending less manual intervention. Resources SON (Self Organizing Networks) will be important to maintain a good performance.  Service Availability: Internal battery must be required for accomplishing service SLA requirements.  The licensing cost (TFI/TFF) was a recent issue but still exist for TFI+TFF Nx(TFI+TFF) SmallCells with higher power Gerência de Tecnologia e Integração de Serviços
  15. 15. SmallCells and Future New Technologies & Improvements New Architecture LTE baseline 100% 70M bps 2x2M IMO, conf.1, CFI=3, DwPTS=102 Macro Cell CRS Reduction 109,50% Reduced 2-port CRS overhead C-plane (RRC) F1 Multi-TTI scheduling 126% Only 1 OFDM reserved every 5 ms F2 F2>F1 Traffic Adaptation 173% Maximum 4 DL subframe every 5 ms 256 QAM 230% Improved 33%compared to 64QAMCarrier Aggregation 5CC 1150% U-plane 838 Mbps Phantom Celll Source: IEEE Communications Magazine Feb, 2013; “Trends in Small Cell Enhancements in LTE Advanced”; Takehiro Nakamura et All White Space & Spectrum Sharing RAN Sharing  Accelerate harmonization and potential re-farming.  Access underutilized spectrum  TV white spaces (TVWS) spectrum spans roughly 450 MHz to Operator 1 850 MHz, with the actual swath within that range varying by country. MME S/PGW  New technologies and industry opportunities  Qualcomm: Authorized Shared Access (ASA)—Suited for Small ... Cells 8,2% 3,6% 1,4% 0,9% Defense Other Commercial Operator N 15,0% 27,2% Aeronautical Mobile MME S/PGW 17,1% Broadcasting Maritime 26,7% Other Public Public Safety Source: Qualcomm Gerência de Tecnologia e Integração de Serviços
  16. 16. ¡Gracias! Thanks!Obrigado!Alberto Boaventura alberto@oi.net.br

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