Requirements on 5G Development Device manufacturer s perspective
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1 Requirements on 5G Development Device manufacturer s perspective ECC 5G Mobile Communications Workshop Mainz, Nov Quan Yu, Chief Strategy Officer, Huawei Wireless Product Line 1
2 Europe s 5G Action Plan: first step in the right direction Global Unified Standard WCDMA CDMA-EVDO TDS-CDMA WiMAX WiFi Other Industries LTE-TDD LTE-FDD IMT-2020 Spectrum selection Pioneer bands Full set of bands Trials Commercial (1 city per country) Common timelines Seamless coverage (all major cities, transport paths) FCC rules for 28, 37 and 39 GHz bands Korea Olympics China technology trials Japan Olympics 2
3 Towards 5G 10Gbps (DL, peak) 150Mbps to 450Mbps (DL, peak) 4G R10, R11, R12 600Mbps to 1Gbps+ (DL, peak) 4.5G R13, R14 5G R15 + Key requirements to meet 5G objectives 1. Enable economies of scale by selecting bands with potential for global / regional harmonization 2. Ensure capacity by making available sufficient bandwidth in the selected bands MBB MBB, MTC embb, mmtc, URLLC 3. Develop suitable regulatory frameworks 2012~ ~
4 Wide Scale 4
5 C-Band potential for 5G globally GHz The C-Band will be the first key 5G band in Europe and globally. Already available for IMT / offical plans Being considered for IMT by regulators Used for IMT trial Potential for future IMT use Debate started at political level for future IMT use 5
6 26GHz and 40GHz bands as pioneer bands WRC-19 candidate, global primary Mobile Service band WRC-19 candidate, not global primary Mobile Service band Not in scope of WRC-19 AI RSPG candidate pioneer bands 3.25 GHz 1.6 GHz 3 GHz FCC R&O bands GHz WRC-19 AI 1.13 studies concentrate on JPN MIC 3.25 GHz 6.5 GHz 2 GHz Confirmed Likely TBD KOR MSIP 3 GHz Tuning Ranges % 16% The & GHz are the most promising high frequency ranges for 5G commercialization in Europe. 6
7 RF design to support multi-band Chipset solutions are driven by antenna and filters design, key challenges: Antenna layout engineering constraints M-MIMO system cost constraints RF design to support the multi-band is driven by the available harmonized bands/ranges E.g. individual vs. integrated architecture Individual architecture Front End Modules and array antennas Integrated architecture Front End Modules and array antennas FEM PA ANT FEM ANT BB BB (Mod/ Demod) RFIC LNA FEM PA ANT GHz BB BB (Mod/ Demod) RFIC GHz LNA GHz 7
8 Wide Band 8
9 L-Band Large Bandwidth Required Peak data rate ITU-R Requirement Frequencies below 6GHz contribution Frequencies above 6GHz contribution Experienced data rate 10Gbps 20Gbps 100Mbps urban coverage 1Gbps dense urban / indoor hotspot 300 MHz / MNO can achieve (5G, 256QAM, 8 MIMO): 10 Gbps DL / 1 Gbps UL peak data rate (*) Needed if not enough spectrum below 6GHz is made available 600MHz Will be addressed with below 6GHz spectrum - (**) 2.5GHz / MNO at GHz for: 1 Gbps DL / 200 Mbps UL experienced data rate for dense urban (***) Frequencies below 43.5GHz can also be re-used for indoor hotspot. Large bandwidth is a must to ensure the business success, for embb use case in particular. Terminals need to support aggregation of frequencies below and above 6GHz to achieve 5G Requirement. * If existing networks (e.g. using 3G, 4G) are used for traffic offload, more than 300MHz is needed due to the lower spectrum efficiency of such networks. ** For theoretical calculation, the contribution of frequencies below 6GHz for 1Gbps experienced data rate is not taken into account. *** Based on theoretical calculation: Macro (below 6GHz) ISD = 200m, 6 small cells (above 6GHz) per sector, 2500 active user per km2, 3 MNO in the same area. 9
10 Key techniques to enhance capacity Antenna implementation and Carrier Aggregation Antenna implementation: 3GPP design target for terminals (under discussion): 4GHz: maximum 8 elements 30GHz: maximum 32 elements Increasing the number of antenna elements leads to a significant increase of the total antenna area. Support of 10+ bands for both below and above 6 GHz in a 5G terminal: antenna layout engineering is a challenge. x 2 x 2 Carrier Aggregation (CA) Inter-band carrier aggregation requires more transceiver channels which results in increased power consumption and cost Global harmonized bands and larger contiguous bandwidth will enable the terminal provide high capacity more efficiently 10
11 Regulatory Enablers 11
12 De-fragment the MHz range C-Band spectrum is fragmented across Europe: Target: paired assignments (used for TDD rollout) some FS and FSS incumbents still remain multiple regional / local assignments, many with expiry dates after the year MHz / MNO from MHz 200MHz / MNO from MHz Number of individual usage rights across Europe Regional / local National Regional / local National FIN (*) FR GER IT (*) SWE UK (*) (*) (*) (*) (*) (*) (**) Current fragmentation (many non contiguous smaller assignments on regional basis) in the MHz band can negatively impact the 5G take up. Huawei Confidential (**) Regional licenses ** Auction under planning Source: port03.jsp - Oct 16 and Huawei 12
13 Efficient sharing frameworks Regulatory framework for 5G: Harmonized technical conditions, including preferred frequency arrangements Sharing and co-existence conditions Noting that The macro layer coverage will still play an important role in making 5G services available in wide areas including indoor environments Need for operational guidelines for spectrum sharing Support the implementation of the regulatory framework for the specific bands (high and low) Key principle: protection of existing systems as well as maximization of spectrum use and social / economic benefits to society need to be taken into account 13
14 Duplex Modes L-Band Support for innovative duplex schemes FDD TDD TDD 1. Channel reciprocity provides better support to massive MIMO 2. Unpaired assignments facilitate sharing with other services 3. Unpaired assignments facilitate countries in selecting specific bands within a certain range based on local circumstances Flexible duplex (TDD and FDD) are being standardized in 3GPP in order to adapt to traffic fluctuation while increasing the spectrum usage efficiency. Flexible Duplex TDD carrier FDD carriers D Dynamic D/U allocation Flexible D/U allocation Regulation changes to support Flexible Duplex needs to be considered. 14
15 Key Takeaways Key requirements in EUROPE for 5G devices to meet their performance objectives Bands with potential for global / regional harmonization to support economies of scale: C-Band ( / 4200 MHz) GHz, 37 / GHz Bands with sufficient contiguous bandwidth to ensure capacity C-Band needs to be de-fragmented across Europe 2.5 GHz per GHz for dense urban and indoor hotspot Regulatory frameworks that maximize spectrum use and overall social & economic benefits Supporting Small Cell and Macro layers, innovative duplex schemes Providing operational guidelines to support national sharing frameworks 15
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