4.3. bday arg claro - sran
DESCRIPTION
sranTRANSCRIPT
1 © Nokia Solutions and Networks 2015
Barcelona Days Argentina
i
Mauricio Ayala September- 2015
2 © Nokia Solutions and Networks 2015
SRAN
Single RAN
3 © Nokia Solutions and Networks 2015
Why is SRAN a topic today?
Exponential traffic growth
LTE: new spectrum, many bands
GSM and WCDMA stay for foreseeable future
SRAN:
• flexibility in spectrum use and investment
protection
• longer life for GSM and WCDMA at lower
running costs while going for LTE
4 © Nokia Solutions and Networks 2015
Can we make multi-radio networks simpler to operate?
4G
Baseband
2G
cabinet
900
MHz
2G
cabine
t1800
MHz
Radio Head
2100 MHz
Radio Head
900 MHz
Radio Head
1800 MHz
Radio Head
800 MHz
3G
Baseband
X
X
X
X
Typical Multi-RAT site today
Cell site routers, switches,
demarcation devices TDM/SDH
IP/Eth
5 © Nokia Solutions and Networks 2015
SRAN reduces site complexity
2G/3G 900
Radio Module 3G 2100 Radio
Module
2G/4G 1800
Radio Module
4G 800 Radio
Module
FSMF: Common
2G/3G/4G
Baseband
X
X
X
X
Nokia SRAN : • Common/ Shared HW:
Radio and Baseband
• Single SRAN SW Release
• Common O&M & transport
2 cabinets & 12 radios
3 separate basebands
GSM with TDM; IP for
WCDMA and LTE
4 radios and common baseband, all-IP
6 © Nokia Solutions and Networks 2015
SRAN simplifies networks
Less complexity: common & shared HW
Simpler operations: common SW and OAM
Lower TCO: OPEX savings
7 © Nokia Solutions and Networks 2015
Nokia is changing the Flexi Multiradio 10 Base Station Software Architecture
OAM
GSM WCDMA LTE
OSS
GSM BB WCDMA BB LTE BB
RF
OAM OAM OAM TRS
GSM WCDMA
LTE OSS
RF RF
TRS backhaul
TRS
Site with Single RAN solution
New operability and SW architecture enables
• Common BTS OAM
• System Module sharing with shared RF fibres
• Common Transport
Site with traditional approach
• RF Unit sharing
• Dedicated System Modules for RATs
• Dedicated RF fibres per RAT
• Shared transport backhaul
TRS
TRS backhaul
RF RF
RF
TRS System Module
8 © Nokia Solutions and Networks 2015
Flexi Multiradio 10 BTS with SRAN Architecture support System Module Sharing modes
WCDMA
GSM&WCDMA
Standard Flexi Multiradio 10*) System Module as basis
• Multi-RAT capable plug-in units: GSM, WCDMA, LTE
2-RAT
Modes
FSMF
Opt. PDU Opt.TRS ext
3 H
U
Flexi Multiradio 10
System Module
WCDMA
FBBA/C FBBA/C
LTE
GSM<E
LTE
GSM/WCDMA
GSM/LTE
LTE
WCDMA
LTE
3-RAT
Mode
Opt. PDU Opt.TRS ext
Opt. PDU Opt.TRS ext
Opt. PDU Opt.TRS ext
WCDMA
FSMF: GSM&WCDMA
LTE
Opt. PDU Opt.TRS ext
WCDMA/LTE
GSM/LTE/
WCDMA
WCDMA
WCDMA
WCDMA
WCDMA
(or GSM or LTE)
in dedicated mode with
SRAN architecture
Opt. PDU Opt.TRS ext
Single-RAT Mode
2nd Flexi MR 10(opt)
2nd Flexi MR 10(opt)
2nd Flexi MR 10(opt)
2nd Flexi MR 10(opt)
9 © Nokia Solutions and Networks 2015
10 © Nokia Solutions and Networks 2015
(** GSM can be also Ultrasite without RF sharing
11 © Nokia Solutions and Networks 2015
(** GSM can be also Ultrasite without RF sharing