Metro Basisstationen als Antwort auf die Datenexplosion im Mobilfunk WCI 2011 Berlin
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2 Metro Basisstationen als Antwort auf die Datenexplosion im Mobilfunk WCI 2011 Berlin Dirk Nikolai Alcatel-Lucent Deutschland AG (Stuttgart) COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
3 1. Explosion der Datenraten 2. Möglichkeiten der Kapazitätserhöhung 3. Netzverdichtung 4. Metro-Basisstation 5. Feldversuche 3 COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
4 Explosion der Datenraten
5 DEVICE TYPE AND NETWORK LOAD COMPARISON ipad is 2x that of iphone! Data Calls per Day Megabytes per Day iphone Blackberry Android Datacard Source: Alcatel-Lucent analysis of various customer networks using 9900 Wireless Network Guardian
6 GLOBAL MOBILE DATA TRAFFIC GROWTH 30x between 2010 and 2015 PBytes/Month 7,000 6,000 5,000 4,000 Dongle/tablets Smartphones Feature phones Smartphones 2.5 billion connections in ,000 2,000 1,000 Video 70% of mobile traffic by Source: Bell Labs modeling and forecasts Peta = 10e15
7 THE DREADED SCISSORS EFFECT THE IMPACT OF DECLINING PRICE AND GROWING DATA $25 ARPU 2,000 (2GB) Dollars per sub per month $25 $20 $15 Data traffic in MB Voice traffic in MB 1,500 1,000 Megabytes per sub per month $10 $ Source: Company reports & Bell Labs business modeling analysis
8 Möglichkeiten der Kapazitätserhöhung
9 Möglichkeiten der Kapazitätserhöhung Resourcenerhöhung (I): Erschließung neuer Frequenzbänder Resourcenerhöhung (II): mehr Übertragungsbandbreite Effizienzsteigerung (I): höherstufige Modulationsverfahren Effizienzsteigerung (II): intelligente Antennensysteme Abdeckungsverbesserung: Aufstellen weiterer Basisstationen an Orten, an denen keine oder eine schlechte Abdeckung besteht Netzverdichtung: mehr und kleinere Funkzellen, d. h. mehr Basisstationen. COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
10 Changes In The Network HSPA saturated HSPA + LTE 2.6GHz + LTE adv 1.8 GHz HSPA saturated + LTE 2.6GHz saturated
11 Netzverdichtung
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13 The solution: increase the number of small sites On a facade On a strand On a lamppost On a bus stop
14 lightradio Cube Building Block for Metro and Macro Antennas lightradio Metro lightradio AAA Macro Key Benefits of the Cube Integrated Active Element Frequency Agility Pluggable element Wideband performance Standards Agnostic Antenna Simplified Value Chain in BTS Portfolio Not to scale
15 Standardization status Heterogeneous Networks in 3GPP (HetNet) What are Heterogeneous Networks: Macro enb Femto Metro Cell Heterogeneous Networks mix LTE cells with various RF characteristics: Macro, Metro, Specific case of shared carrier: Interferences Interferences Macro enb Femto Interferences Metro Cell When carrier is shared, interferences is a big deal for HetNet. For UL, there is near-far effect as pathloss to neighbor cell can be lower than to serving cell.
16 Metro Basisstationen COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
17 Alcatel-Lucent lightradio Solution Small Cells Small Base Stations 3GPP Name BS RF Class HeNB Home Area BS Pico enb Local Area BS Pico enb Local Area BS Hot Zone Wide Area BS Power mw <250 mw <250mW < 5 W Expected Access Control CSG (/ OSG) CSG (/ OSG) OSG OSG Usage Home Enterprise Indoor Public Areas Carrier-grade Cov. Outdoor Public Areas Carrier-grade Cov. Alcatel-Lucent Home Cells Enterprise Cells Indoor Metro Cells Outdoor Metro Cells COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
18 Why Metro? Although everybody has a mobile phone, nobody wants base stations or antennas. COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
19 Aesthetics: Where we want to go COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
20 Aesthetics: Where we want to go COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
21 lightradio Metro Family - WCDMA 1x2 1W All-in-One Mast Mounting Facade Mounting COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
22 DESIGN COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
23 Feldversuche HetNet Testbed Stuttgart
24 MGR R&D testlab Stuttgart LTE HetNet OTA testbed Macro cell layer e.g. LTE800/2600 High amount of traffic offload possible Large gain in system throughput Low Power Nodes: MetroCell LTE2600 HotSpot traffic distribution scenario LTE 800 MHz macro-coverage LTE 2.6 GHz co-channel deployment: macro + metro Co-channel Macro&Metrocell deployment in LTE2600 COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
25 MGR R&D testlab Stuttgart Ph1 OTA testing phase Location A Exclusion Zone Location B Intermediate Zone Safe Zone Metro Placement in Macro - Safe Zone: - Effect of interference is not significant - Macro offload benefits of metro cells - Intermediate Zone - Interference still significant - Substantial macro offload benefits of metro cells with eicic (3GPP Rel-10) - Exclusion Zone: Focus of Ph1 testing - Does not have useful cell size - Creates high interference to macro users - Intermediate zone - Impact of metro cell placement, impact of Tx Power on cell range - Validation of system simulation results - Non-optimized Rel-8 co-channel (w/o cell range extension/eicic) COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
26 R&D Testlab Stuttgart LTE HetNet Over-the-Air (OTA) Testbed MetroCell indoor MetroCell Site A MetroCell on wheel Site B COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION Macro site 3 sectorized enb (Band 7/20)
27 HetNet Trial Results
28 MGR R&D testlab Stuttgart Ph1 OTA testing phase Metrocell outdoor (2x2, omni) Total TxPower 1 W Dedicated carrier Shared carrier HetNet (co-channel) COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
29 HetNet Proof-concept Trial (Outdoor) Non-optimized shared carrier DL UDP Multi-UE measurements sum rate CDF Preliminary results show large capacity improvement Gains depending on metro cell user location Metro cell user at mid-cell: 115 % capacity gain of HetNet vs Macro only Metro cell user at cell edge A: 65 % capacity gain of HetNet vs Macro only Metro cell user at cell edge B: 35 % capacity gain of HetNet vs Macro only For less interference limited metro cell placement we expect higher gains COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
30 Conclusion
31 Metro Base Stations, Metro Cells and HetNet Key Take Aways Incredible mobile data traffic growth Metro Cells entering the networks Alcatel-Lucent has an unique industry leading small cell portfolio (Home/ Enterprise/Metro cells) covering 3G/4G lightradio TM metro cell is pioneering key technology innovations of lightradio product family: SoC BBU, cube-based AAA, SON, lightradio TM metro cell promise flexible implementation of a 2.6 GHz capacity layer especially for clustered HotSpot traffic distribution scenarios E2E solutions lab Stuttgart has established LTE HetNet testbed - Focus on 2.6 GHz shared carrier deployment of macro / metro cells - Proof of concept trials demonstrate feasibility of 2.6 GHz shared carrier deployments in indoor/outdoor scenarios - Follow-up trial ongoing focussing on performance optimization/mobility and alternative metro cell placements COPYRIGHT 2011 ALCATEL-LUCENT. ALL RIGHTS RESERVED. ALCATEL-LUCENT INTERNAL PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
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