LTE (4G) O futuro do celular

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1 LTE (4G) O futuro do celular Luiz jose villela nogueira network engineer

2 Agenda History 3Gpp evolution Lte fundamentals Ran sharing Market outlook Is coming OI LTE Workshop Commercial in confidence Page 2

3 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sharing Market outlook Is coming OI LTE Workshop Commercial in confidence Page 3

4 History 1G FDMA (NMT, AMPS, TACS) 80 s Voice (analog traffic, digital signaling) 2G TDMA (GSM, D-AMPS, PDC) and CDMA (IS-95) 90 s Voice, SMS, CS data transfer ~ 9.6 kbit/s (50 kbit/s HSCSD) 2.5G TDMA (GPRS) 00 s PS data transfer ~ 50 kbit/s 2.75G TDMA (GPRS+EDGE) 00 s PS data ~ 150kbit/s 3-3.5G WCDMA (UMTS) and CDMA s PS & CS data transfer ~ Mbit/s (HSPA/HSPA+), Voice, SMS 3.9G OFDMA (LTE/SAE) 10 s VoIP and Data ~ 100Mbit/s 4G IMT Advanced OI LTE Workshop Commercial in confidence Page 4

5 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sahring Market outlook Is coming OI LTE Workshop Commercial in confidence Page 5

6 3gpp evolution HSPA Evolution gradually improved performance at a low additional cost prior to the introduction of LTE LTE improved performance in a wide range of spectrum allocations OI LTE Workshop Commercial in confidence Page 6

7 Mobile System Evolution LTE is the Global standard for Next Generation FDD and TDD OI LTE Workshop Commercial in confidence Page 7

8 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sharing Market outlook Is coming OI LTE Workshop Commercial in confidence Page 8

9 Terminology EPC eutran EPC - Evolved Packet Core SAE - System Architecture Evolution eutran - Evolved UTRAN LTE - Long Term Evolution EPS EPS Evolved Packet System OI LTE Workshop Commercial in confidence Page 9

10 Modulation comparison FDMA Frequency Division Multiple Access (AMPS) each user on a different frequency a channel is a frequency Power TDMA/GSM Time Division Multiple Access (D-AMPS / GSM) each user on a different window period in time ( time slot ) a channel is a specific time slot on a specific frequency Power CDMA/WCDMA Code Division Multiple Access (W = wide) (CDMA / WCDMA) each user uses the same frequency all the time, but mixed with different distinguishing code patterns a channel is a unique (set of) code pattern(s) Power OFDMA Orthogonal Frequency-Division Multiple Access (DL LTE) Channel-dependent scheduling and link adaptation in time and frequency domain User #1 scheduled SC-FDMA Single Carrier Frequency-Division Multiple Access (UL LTE) with dynamic bandwidth (Pre-coded OFDM) Low PAPR Higher power efficiency Reduced uplink interference (enables intra-cell orthogonality ) Δf=15kHz User #2 scheduled frequency User #3 scheduled 180 khz OI LTE Workshop Commercial in confidence Page 10 frequency

11 Key LTE radio access features LTE radio access Downlink: OFDM Uplink: SC-FDMA OFDMA SC-FDMA Advanced antenna solutions Diversity Beam-forming Multi-layer transmission (MIMO) TX TX Spectrum flexibility Flexible bandwidth New and existing bands Duplex flexibility: FDD and TDD 1.4 MHz 20 MHz OI LTE Workshop Commercial in confidence Page 11

12 Multi-antenna Transmission Radio channel enodeb MISO (Multiple In Single Out) Beam forming Transmit diversity Terminal device Radio channel enodeb SIMO (Single In Multiple Out) Receive diversity Terminal device Radio channel enodeb MIMO (Multiple In Multiple Out) All above + Spatial multiplexing (MIMO) Terminal device OI LTE Workshop Commercial in confidence Page 12

13 Spectrum Flexibility New and existing bands FDD and TDD Flexible bandwidth 1.4MHz: 6 Resource Blocks 20 MHz: 100 Resource Blocks Channel bandwidth [MHz] Maximum Throughput [Mbps] (MIMO 2x2) Number of Resource Blocks OI LTE Workshop Commercial in confidence Page 13

14 terminal Categories OI LTE Workshop Commercial in confidence Page 15

15 Lte a flat architecture CORE NETWORK S-GW Core RAN Core MME Controller Iub or Abis Controller Iub or Abis RAN S1 S1 Base Station Base Station enb X2 enb 2G/3G LTE OI LTE Workshop Commercial in confidence Page 16

16 Lte ran architecture theory Involved interfaces OSS-RC MME IP connectivity S-GW Mul S1-U S1-C X2-U X2-C enodeb enodeb SEVERAL INTERFACES INVOLVED BUT MAIN CONTRIBUTION IS FROM S1-UP OI LTE Workshop Commercial in confidence Page 18

17 EPS/GRAN/UTRAN Architecture OI LTE Workshop Commercial in confidence Page 19

18 mobility between gsm-wcdma-lte The following IRAT mobility is currently supported in the Ericsson system (the minimum released needed is indicated within the parenthesis: WCDMA: between all states to GSM and to LTE in idle mode GSM: from all states to WCDMA and to LTE in idle mode LTE: from all states to WCDMA and GSM PSHO RwR to LTE OI LTE Workshop Commercial in confidence Page 21

19 CS Fall back overview CS Fallback allows a LTE UE to drop back to the WCDMA or GSM network if IMS VoIP capabilities are not supported. CS Fallback requires the UE to fallback from E-UTRAN and rather uses either GSM or WCDMA if it must connect to the CS domain. CS Fallback function is of course only possible to realize in areas where E-UTRAN coverage is overlapped with GSM and WCDMA coverage. CS Fallback will always direct the UE to whichever frequency relation has the highest priority. If the same priority is configured for multiple frequencies, the enb will redirect the UE based on a simple Round Robin Algorithm for the load sharing, which is the new enhancement introduced in L12A OI LTE Workshop Commercial in confidence Page 22

20 SMS overview SMSoSGs is an optional feature which enables MO SMS and MT SMS to be relayed via MME to and from the MSC/VLR. The MO SMS and MT SMS are signalled over SGs and do not cause any CS Fallback to GERAN/UTRAN RATs, and consequently does not require any overlapped GERAN/UTRAN coverage. The Network Access Server (NAS) interface is used towards the UE and the SGs interface is used towards the MSC/VLR. MME provides a signaling relay service so that a transparent transfer of SMS between UE and MSC/VLR is possible. OI LTE Workshop Commercial in confidence Page 23

21 VoLTE Overview Set up Dedicated Bearer (Gx) {3GPP QoS Profile} Service Detection (Rx) 2 S1 MME 3 SAPC Policy Control Gx IMS E-UTRAN Serving GW S5 PDN Gateway Dedicated Voice Bearer QCI=1 1 Default Bearer Default as IMS Bearer Bearer (QCI=5) IMS APN Default Bearer QCI8 or QCI9 Internet APN Internet Uu (LTE) S1-U OI LTE Workshop Commercial in confidence Page 24 PDN = Packet Data Network APN = Access Point Name

22 Voice over LTE Operators, especially former CDMA operators are becoming interested in VoLTE Including: Verizon & Metro PCS (US), Korean Operators (SKT & LGU+), AT&T also has expressed interest publically Driver is to move away from legacy networks & technologies Remove legacy core nodes and terminals from the network Drivers includes freeing up spectrum for more LTE Requires an IMS core Some RAN features are also required List includes: TTI bundling, ROHC (Robust Header Compression), Semipersistent scheduling, QoS capabilities, admission control etc OI LTE Workshop Commercial in confidence Page 25

23 LTE in the Future Evolution! LTE Advanced study in 3GPP Start March 2008 Expected Release 10 (2011) LTE Advanced => LTE 3GPP Rel 10 Major enhancements Higher peak rates Relaying solutions OI LTE Workshop Commercial in confidence Page 26

24 LTE 3GPP Rel 10 Higher peak rates 20 MHz Carrier aggregation 100 MHz total bandwidth 20 MHz 20 MHz Spectrum aggregation 40 MHz total bandwidth 8 DL/UL Multi-Antenna transmission Peak rates: 3Gbps/1.5Gbps! 4 OI LTE Workshop Commercial in confidence Page 27

25 Ericsson 1 Gbps LTE OI LTE Workshop Commercial in confidence Page 28

26 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sharing Market outlook Is coming OI LTE Workshop Commercial in confidence Page 30

27 Why Share Networks? Reduced CAPEX and OPEX Save money on building and operating the network Quick start of services speed up roll-out service and coverage faster time to market reduced risk of lost market share Address more customers providing more cost-effective coverage earlier service availability OI LTE Workshop Commercial in confidence Page 31

28 introduction Shared networks Equipment sharing Non shared spectrum Equipment sharing Shared spectrum Site Sharing Shared LTE RBS (separate frequencies) Shared LTE RBS (separate frequencies) Shared LTE RBS (separate frequencies) Geographical Split Networks Gateway Core Network (scenario 1) Gateway Core Network (scenario 2) Multi Operator Core Network PDN GW, HSS, & apps Serving GW MME enb Cell Operator A s nodes or resources Operator B s nodes or resources Shared nodes and resources Control plane and User plane User plane only Implemented Solution Oi & TIM Solution would be implemented after ANATEL Regulation. OI LTE Workshop Commercial in confidence Page 32

29 introduction Shared LTE RBS Based on MORAN Individual Core Network Common Radio network Shared resources (baseband, radio, transmission, RBS), but separate carriers (per operator) One PLMN code is allocated per operator All pages will be sent to both operators cells Traffic volume and most of counters observability per operator IP address coordination between the two EPCs is needed Shared certificate for IPsec tunnels Common O&M management OI LTE Workshop Commercial in confidence Page 33

30 introduction Shared LTE RBS Based on MOCN Individual Core Network Common Radio network Shared resources (baseband, radio, transmission, RBS, bandwidth) One Carrier for both operators One PLMN code is allocated per operator Traffic volume and most of counters observability per operator Common O&M management The whole bandwidth is available to all users independent of operator Needs approval from ANATEL FFI and Rollout in Japan OI LTE Workshop Commercial in confidence Page 34

31 Ran Sharing around the world PDN GW, HSS, & apps Shared LTE RBS (separate frequencies) Multi Operator Core Network Gateway Core Network (scenario 1) Serving GW MME enb Cell Telefonica & Vodafone, UK IPSec, CS Fallback Oi & TIM, Brazil Same DU/RA, separate cells Magyar Telecom & TeleNor, Hungary Rogers & NetCom, Canada CS Fallback TMO & MetroPCS, USA eaccess & SBM, Japan CS Fallback, IFLB OI LTE Workshop Commercial in confidence Page 35

32 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sharing Market outlook Is coming OI LTE Workshop Commercial in confidence Page 36

33 Mobile Traffic & coverage growth 14X Mobile data traffic for smartphones will grow ~14 times between 2012 and % LTE population coverage in 2017 OI LTE Workshop Commercial in confidence Page 37

34 LTE killer applications Mobile internet access services Live Mobile Video Mobile/Portabl e gaming Cloud-Based Computing Augmented Reality Emergency Response and Telemedicine MOBILE INTERNET ACCESS SERVICES WILL BE THE KILLER 4G SERVICE OI LTE Workshop Commercial in confidence Page 38

35 48 M LTE subs, Oct LTE Capable Devices Europe: Western 3% Asia Pacific 45% Europe: Eastern 2% USA/Canada 50% 95% of all LTE subscribers are in USA/Canada, Japan and South Korea LTE Top 10 Verizon US 16 NTT DoCoMo Subscribers (Millions) 7 SKT Korea 6 AT&T US 6 LGU+ Korea 4 Korea Telecom 3 W Europe 1,2 MetroPCS 1,2 Rogers 0,8 eaccess 0,6 90% of shipped LTE devices are SmartPhones OI LTE Workshop Commercial in confidence Page 39 *Oct 2012, Source: WCIS+

36 LTE Leadership First in Australia, Europe, north America, Asia and now...south America Rogers MTS 12 Roaming operators MetroPCS Verizon Crick et Sprin t 3 public safety solution contracts Telcel TeliaSonera Norway TeliaSonera Sweden DNA TeliaSonera Estonia TDC France Telecom Bouygues UPC T-Mobile T-Mobile, Hungary Vodafone D2 A1 AT&T Vodafone Spain Swisscom Vodafone Portugal NET America Optimus Portugal TIM Bouygues STC Operator 2 3 Italia Etisalat Open Mobile Omantel AT&T Augere SK Telecom LG U+ KT Softbank NTT Docomo eaccess SmarTone China Mobile Smart UNE Vivo Claro Oi Tim SingTel Telstra NBN More than 90 LTE contracts in 37 countries and 5 continents OI LTE Workshop Commercial in confidence Page 40 Note: Not all contracts shown

37 Initial commercial LTE Devices Dongles TeliaSonera Smart Phones N4M Verizon DoCoMo MetroPCS AT&T With SW upgrade Vfe Germany OI LTE Workshop Commercial in confidence Page 41

38 Smartphones in 2011 MetroPCS Smartphones (3Q2010) Dual Rx CSFB Suspends LTE for voice call Verizon Smartphones (1Q2011) Simultaneous Voice & LTE (Dual Tx / Rx) Handles CS voice & data simultaneously Smartphones in Korea (3Q2011) CS Fallback Simultaneous Voice & LTE (Dual Tx / Rx) OI LTE Workshop Commercial in confidence Page 42

39 LTE Eco system MWC12 Smartphones Tablets Routers/FWT Modems CAT 4 modem TDD TDD TDD TDD OI LTE Workshop Commercial in confidence Page 43

40 >40 Million LTE SMARTPHONES Verizon South Korea at&t Europe 90% of shipped LTE devices are Smartphones OI LTE Workshop Commercial in confidence Page 44

41 OI LTE Workshop Commercial in confidence Page 45

42 IPHONE 5S/5C Support for both FDD and TDD LTE OI LTE Workshop Commercial in confidence Page 46

43 Iphone 5 models GSM model A1428 UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) GSM/EDGE (850, 900, 1800, 1900 MHz) LTE (Bands 4 [2100 MHz] and 17 [700 MHz]) NA and LATAM markets (AT&T, Rogers, Bell/Tellus) CDMA model A1429 CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz) UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) GSM/EDGE (850, 900, 1800, 1900 MHz) LTE (Bands 1 [2100 MHz], 3 [1800 MHz], 5 [850 MHz], 13 [700 MHz], 25 [1900 MHz]) - CDMA operators (Verizon, Sprint, KDDI, KT) - SR-LTE perf. enhancement GSM model A1429 UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz) GSM/EDGE (850, 900, 1800, 1900 MHz) LTE (Bands 1 [2100 MHz], 3 [1800 MHz], 5 [850 MHz]) Refarm GSM a/b/g/n Wi-Fi (802.11n 2.4GHz and 5GHz) Bluetooth 4.0 wireless technology OI LTE Workshop Commercial in confidence Page 47

44 high end on LTE Global Smartphone Shipments Q Samsung 32% Apple 17% Nokia 7% HTC 6% Sony 5% * Source: Strategy Analytics, August 2012 OI LTE Workshop Commercial in confidence Page 48

45 World Roaming Number of LTE frequency bands supported in LTE devices 2010: Single band LTE 2011: 2 3 bands LTE 2012: 4 5 bands LTE Potential Roaming bands EU - B7[2600] B3[1800] Asia, Australia - B3[1800] Latam - B4[AWS], B7[2600] Korea, US, Japan - B5[850] / B26 [850], B3[1800] Within North America - B4 [AWS], B5[850], B2/25 [1900] Global roaming over WCDMA and GSM LTE Roaming on its way OI LTE Workshop Commercial in confidence Page 49

46 OI LTE Workshop Commercial in confidence Page 50

47 spectrum for mobile broadband Regional mainstream hspa & lte deployments North America Base: 850, 1900, US700 & AWS New: 2600 Europe Base: 2100 & 900 New: 2600, 1800 & 800 Japan Base: 2100, 1700, JP850 New: 1500 & refarm 2012+: 900 & APT700 Latin America Base: 850 & 1900 New: AWS & : 2300 & APT700 MEA Base: 2100 New: 1800, 900 & : 2600, APT700 APAC Base: 2100 New: 2300, 1800, 900 & : 2600 & APT700 opportunity for LTE TDD in 2.3 & 2.6 GHz bands same FDD/TDD Equipment OI LTE Workshop Commercial in confidence Page 51

48 s/brasil-chega-a-400-mil-acessos-4g-emagosto OI LTE Workshop Commercial in confidence Page 52

49 OI LTE Workshop Commercial in confidence Page 53 /publique/cgi/cgilua.exe/sys/start. htm?infoid=14913&sid=12

50 Agenda History 3Gpp evolution Lte fundamentals Terminology / Modulation / key features Architecture Interoperability (DATA / CSFB / SMS) VoLTE LTE In the future Ran sahring Market outlook Is coming OI LTE Workshop Commercial in confidence Page 54

51 Improve macro Densify macro Add small cells SEAMLESS USER EXPERIENCE EVERYWHERE OI LTE Workshop Commercial in confidence Page 55

52 5G radio access is an integrated set of technologies addressing a wide variety of use cases and requirements OI LTE Workshop Commercial in confidence Page 56

53 OI LTE Workshop Commercial in confidence Page 57

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