Recent Progresses in Green Wireless Research.ppt

1、Recent Progresses in Green Wireless Research,Sep 2011,Dr. Shugong XU S ITU Green Standard Week,Page 2,Operators Demand,Operators Demand,Per-user power reduced by 20% 2020 (vs.2006),CO2 emission reduced by 80% 2020 (vs.1996),“Green Action Programme ”starts up now! “power consumption per traffic in 20

2、10 lower 40% than 2005 Lower power consumption, save source, CO area and cost, waste recycle,“Low energy is key performance”, said by TI CTO Stefano Pileri Develop energy saving plan for NGN2,Improve equipment EE by 20% in 2009 Take CN, ON, DC as purchase compliance “Green plan” change work environm

3、ent to energy saving mode,Cooperate with Verizon, Qwest organize ATIS NIPP TEE standard Take energy consumption as key element,CO2 emission in 2010 lower 50% than 1995 Initiate CO900 project,Improve equipment EE by 30% energy saving - CEO Cesar Alierta Total power, petrol, water consumption,Energy c

4、onsumption per unit in 2011 lower by 40% than that of 2005 Lower power consumption and improve EE,Page 3,Green Radio A key enabler,Big gap,Traffic,Data,Voice,Revenue,Trends Exponential growth in data traffic Number of base stations / area increasing for higher capacity Revenue growth constrained and

5、 dependent on new services Carriers under pressure to dramatically reduce TCO and energy bill,Consequences Energy use cannot follow traffic growth without significant increase in energy consumptionMUST REDUCE Energy Per Bit Number of base stations increasingMUST REDUCE Operating Power Per Cell to sa

6、ve TCO,Time,Page 4,Green Radio Research Worldwide,FP7 IP EARTH (20102012),Celtic - OPERA-NET (20082010),MVCE Core5 GreenRadio(20092012),GreenTouch (20102015),5,Innovating Ultra Low-Energy Networks is Super-Hard and Requires Global Consortium Collaboration among Experts from across industry and world

7、s top institutions working together in matrix of open innovation Pre-competitive research that emphasizes clean slate architectures and out-of-the-box thinking Broad support and funding,By 2015, demonstrate architectures and technologies that yield a 1000-fold improvement in network efficiency (usin

8、g 2020 traffic projections) over 2010 network efficiency,Green Touch Consortium,Consortium 5 Year Goal,Define architectures Demonstrate tech.,Use models for network in 2020 to set technology demonstration requirements,Modeling Provides Clear Picture of Goals,GreenTouch 5 year Goal: Element efficienc

9、y demonstrationtargets for model 2020 network,Overall network efficiencytarget in 2020,Baseline year 2010 Target year 2020 GreenTouch results in five years: 2015,Efficiency in Mbps/W,7,GreenTouch : Building the Roadmap | 2011, 2011 GreenTouch Consortium,DRAFT MODEL,Membership growing,Green Touch Res

10、earch Projects,Beyond Cellular Green Mobile Networks Virtual Home Gateway Optimal End-to-End Resource Allocation Service Energy Aware Optical Networks Green Transmission Technologies Minimum Energy Access Architectures Single-Chip Linecards Large-Scale Antenna Systems Highly-Adaptive Layer Mesh Netw

11、orks Massive MIMO,25+ Projects Active & In Prep.,9,GreenTouch : Building the Roadmap | 2011, 2011 GreenTouch Consortium,Green Radio activities in Greentouch,Beyond Cellular Green Mobile Networks Green Transmission Technologies Large-Scale Antenna Systems And More ,10,Page 11,The GREAT project,Dedica

12、ted Research Project on Green Radio,Fundamentals in Green Radio,4 Fundamental Tradeoffs,Power Consumption,Bandwidth Consumption,Energy Efficiency,Deployment Efficiency,Power Consumption,Latency,Bandwidth - Power Tradeoff,DE EE Tradeoff,Power - Delay Tradeoff,Energy Efficiency,Spectrum Efficiency,SE

13、- EE Tradeoff,Published in IEEE Communications Magazines, June 2011. Quickly became top 10 downloads in whole IEEE.,Page 13,Define energy efficiency model & metrics for different levels Device/Component Level BTS level Network level,Evaluate the gain of different technologies in the framework of ene

14、rgy efficiency CoMP / Relay / Femtocell / DAS ,Build unified simulation platform/ testbed for system-level simulation GSM/ CDMA/ UMTS/ LTE ,Unified Evaluation Architecture,Device Level,BTS Level,Network Level,DAS,Femtocell,Relay,CoMP,GSM,CDMA,UMTS,LTE,Quantitative Model & Metrics,Advanced Air Interf

15、ace Technology,System-Level Verifications,Unified Architecture for Energy Efficiency Evaluation (3E),Research Areas,Page 14,An Example of Deployment Related Study,Small Cell Size,Large Cell Size,Heterogeneous Arch./Multi-RAT,Smaller path-loss Smaller Tx Power Lower PA Requirement More Infrastructure

16、 CAPEX? OPEX? Interference?,Relayed Architecture,Largerr path-loss Larger Tx Power Higher PA Requirement Less Infrastructure CAPEX? OPEX? Interference?,Which Architecture?,Unified Metrics Service Requirement Site/Equipment Cost Dynamic Management,Research Areas,Page 15,An Example of Relay Study on O

17、ptimized Resource Scheduling,Time slot,Spectrum,Power,Subspace,User,Research Areas,Pin = A (conf, traffic, Pout) * Pout + B (conf, traffic, Pout ),Page 16,3E System,Energy Consumption Modeling,Cabinet Energy Consumption,AirConditioner Energy Consumption,Carrier Energy Consumption,Network Energy Consumption,Site Energy Consumption,RBS Energy Consumption,RBS Energy Consumption,P_net = sum_i P_site_i * N_site_i Which is sum over different time period Different geographical areas,Network Level,Site Level,RBS Leve