IIR_WDM_Forum_2011-Huawei_100G40G_Solution_0619 (2

Huawei 100G/40G Solut Solution ion

WDM & Next Generation Optical Networking 21~23 June 2011 Monte Carlo, Monaco

HUAWEI TECHNOLOGIES CO., CO. , LTD. LTD.

www.huawei.com

Agenda 

Huawei 100G Soluti Solution on



100G Coope Cooperati ration on with Carriers

Ultra Broadband Era, 100G is Imperative Internet Video

100G is Imperative 10G, 40G & 100G DWDM linecard revenue

A����� �� ����� C������������ ����

16:1

($billions)

2:1

100G Re ve nue s

40G Re ve nue s

10G Re ve nue s

$4.0 �������/�� ��

2005 ���

C���

0.03�

C������������

����� C������������

A�����

2009 ���+�D��

�42

2:1 0.06�

�164 1:1

�22

16:1 1�

2012 ���+�D��

�6

$2.0 $1.5

�84

$1.0

2:1

�20

$3.0 $2.5

1:1

2:1

$3.5

$0.5 $0.0 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016

100G is maturing fast, initial deployments in 2011, massive deployment in 2012

 

40G continued to grow in the next 3 years due to the regional disparity

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 3

Choices of 100G Technology Items

RZRZ-DQPSK

OPFDMOPFDMDQPSK

2SCDP--QPSK 2SC -DP

PDMPDM -QPSK

Baud rate (Gbps)

56

28

14.55

28

Grid (GHz)

100

50

50

50

Multi-reach

Poor

Good

Poor

Good

CD

Poor

Medium

Excellent

Excellent

PMD

Poor

Medium

Excellent

Excellent

Mixed w/i 10G/40G

Good

Good

Poor

Medium

ROADM Cascading

Poor

Medium

Poor

Good

Summary

Short Reach

Good for 40G upgrade

Complex and expensive

Best costcost-effective, DC M free

PDM-QPSK modulation / Coherent detectiontechnology is selected by most of the



vendors, carriers will benefit from the unified supply chain. HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 4

Coherent 100G System Architecture

PDM-QPSK Transmitter

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Huawei Confid ential

Coherent Receiver

Page 5

Huawei 100G Key Technologies and Innovation ���������� 100� ����� ���� �(�)���� DSP

ePDM -(D)QPSK

����� ���� CD/��D ���������

ADC ����� ��� ������ ���� �� 25% �� ��� �����

•

75�� D�D ��������� ,

•

40000��/�� CD ���������

•

80�� *100� 1200+��

56�/64 ���/� ADC

High Gain FEC Coherent Rx

11. 3�B + ��� ������ ����

3�B �� �� � � ���� �����������

 Advanced performance (Better nonlinear, dispersion and PMD

tolerance), can upgrade

from ex isting 10G/40G system system

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 6

Advanced Transmitter Modulation RZRZ -DQPSK ������ ��������� ���������

��� ��������� ���������

112Gbps, 15x80km/22dB Compensated SSMF, EDFA only Pre-comp: -10km

-2.5

NRZ-2PolQPSK ( 1200 km) RZ-2PolQPSK (1200 km) -3

����+

   )    R    E    B    ( -3.5

���������+

   G    O    L

�D� ����

-4

100� ���� ���� �/� DC�

�D� D���� ����� 100�/10�

-4.5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

Launch Powe r (dBm)

system n improve  Coherent s ystem is more s ensitive to nonlinearity in the fiber, RZ format ca can i mprove nonlinear tolerance, 2dB more a dvantage in l ink OSNR bu dget. dget  QPSK or DQPSK DQ PSK meets different transmission requirement

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 7

Coherent Receiver Architecture

 �   �    �  

Coherent Receiver Key Function Units and Key Parameters 1. 2.

Local Oscillator Laser: Laser: Line w idth Optical H ybrid: Phase/Polarization

diverse 3. ADC: Sampling Rate an d Resolution 4. CD Compensation: Algorithm 5.

Digital Clock Recovery: Algorithm

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6.

PMD compensation nd PPolarization olarization De-co mpensation aand multiplexing: Algorithm

7.

Frequency Offset Estimation and Estimation: Carrier Ph ase Estimation : Al gorithm

8.

Nonlinearity Ef fect c ompensation and other novel features: Algorithm

Huawei Confid ential

Page 8

Powerful DSP Algorithm FDEQ Signal

LO laser 

  r   o    d   t    i   r   c   e    b   t   y   e    h   d    C    l    t    G   a   n   c   e    A    i    t   r   p   e    h    O   o    C

ADC ADC

H’xx    T    F    F

   T    F    F    I

ADC ADC

  e   s   a   y    h   r   p   e   r   v   e   o   c    i   r   r   e   r   a    C

TDEQ

   T    F    F

   T    F    F    I

  y   r   e   v   o   c   e   r   g   n    i   m    i    T

H’xy

  e   s   a   y   r    h   e   p   v

H’yy H’yy

  r   o   e   c    i   r   e   r   r   a    C

  n   o    i   s    i   c   e    D

  n   o    i   s    i   c   e    D

   C    E    F

Dynamic monitor 

FDEQ  Robust & accurate dispersion estimation, Constantly monitoring TDEQ to update dispersion compensation

Carrier Phase Recovery  1st & 2 nd order phase noise compensation for frequency offset (at slower changing rate)

Timing Recovery  Minimize dispersion impact on timing phase detection. Achieve precise timing recovery, as well as high tracking bandwidth.

TDEQ

HUAWEI TECHNOLOGIES CO., LTD.

 Robust start up: Repeated offline

Huawei Confid ential

processing always converging to the optimum status. Page 9

Future Candidate Coherent Features 

Tx DSP Benefits: Benefits: Special pulse shaping, pre-emphasis, Pattern dependent nonlinear compensation



SDSD -FEC 20% SD-FEC to offer 11.3 dB NCG vs 7% HD-FEC’s 9.4dB NCG Goal: Goal Improve system reach by reducing BtB ROSNR



Nonlinear Equalization Depending on the amount of non-linearity and algorithm implementation, NLE can improve ~1dB OSNR.



Advanced coding for PDL mitigation & beyond 100G 16QAM, OFDM, etc.

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 10

Spectral Shaping Using Tx DSP Transmitter ASIC

FEC code

alpha=0.25 alpha=1 NRZ

1

0.8

0.6

0.4

0.2

0 0

5

10

15 GHz

20

25

30

Frequency Domain digital shaping

CD&SPM PreDistortion

DAC 64��/�, 6����: ��� ��� ������� ����� ����� ������ ������ �� ������ �������� ����� C�������� ��� @ 32�: � �� ��������� ������� ����� ������ �������� ������� ������� ������� ��������� ���� �� ���.

We achieve optimum performance through deep understanding of system impairments,



and careful trade-off design. HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 11

Enhanced NonNon -Linearity Performance 1    0    G    4    0    G    1    0    0    G   

D 40 �

� 40 � � 40 �

�0 �� �652 22��

�0 �� �652 22��

�

������ �������������

D 40 �

�0 �� �652 22��

��� ������ ���� �/�.� � ��

1    0    G    4    0    G    1    0    0    G   

���

B���: A

CD C���.

C���� ���.

��D C���. &��� ��������

������ ���

� � �

��� & C��

B  �    � 

���: B

�

� ������ ��� 100� ������ �� ���� ���� ���� ������ ����� ��� ������ ��� �����. �   �������� ��� ������������� �� ������� ������ ���� ���� ����. � ������ 100� ���� ���� 10� ��� 40�, �� ����� ��� �������� �������

�

����� ���

�/ ���, 10� ������ �/� ���, 10� ������

Hybr id : 100G with 10G/40G

Case 2: 100G w/wo DCM DWDM : 100G w/w.o DCM

Depending on the amount of non-linearity and algorithm implementation, NLE can improve



~1dB OSNR. HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 12

High Performance by Combination of HD& SD FEC Item

SD FEC

HD FEC

Overhead

20%

7%

Baud-rate

32Gbaud

28Gbaud

ADC Sampling Rate

64Gs/s

56Gs/s

Data Connx. between DSP & FEC

32Gbaud* 4*4 = 512 Gbit/s

28Gbaud* 4*1 = 112 Gbit/s

ASIC include

DSP+FEC

FEC only

CMOS Tech.

40nm or 28nm

65nm

fers more gain than EFEC at t he s ame OH ;  High efficient ef ficient HFEC (N CG 9.4dB) of offers hich recommended by OOIF, IF, Co nsequently, B2B OSNR improvement, 1.9dB more gain  20% SFEC w which for e xtended system re ach  HD & SD fl exibility

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 13

Right Choice of the 3 rd 40G Coherent Tech. 3�B �� ����������� ���� C������� ����. ���� ������������ ����. ���� ��, 2 ����� �����������.

 11.5GBaud, 1 carrier 

 11.5G Baud, 2 carriers

 Better non-linear performance than QPSK  Mature industrial chain

Y-Pol

 22.4G Baud, 1 carrier 

 Better non-linear performance  Same industrial chain as 100G coherent Y-Pol

Y-Pol

λ1 λ2 X-Pol

X-Pol

DPDP -QPSK

λ1 & λ2 are narrow, and Both of them occupy 1 common λ space

1

Dual-Polarization Quadrature Phase Shift Keying Also called as PDM-QPSK 

HUAWEI TECHNOLOGIES CO., LTD.

2

X-Pol

DCDP--BPSK DC-DP

ePDMePDM-BPSK

Dual-Carrier Dual-Polarization Binary Phase Shift Keying

Polarization division multiplexing -binary phase shift keying

Huawei Confid ential

Page 14

Fully shared 40G/100G Based On OTN Platform 

Via the (k=0, 1, 2 2,, 3, 4), OUDflex crossforr full fu ll rates, the 40 G or or th e ODUk ODUk(k=0, cross-connection fo 100G line is s sh hared ared by all se service, rvice, and the line us age is up tto o 100%. 1 00%. 

Even if there is not 40GbE or 100GbE service from the routers, we a lso can set up a 40G/100G pipe for GE, 2.5G, 10G and other granules. 40�/100�

40�/100�

…

≤ GE

2.5G FC/FICON/PON/CPRI/DVB

10���

40G

100G

ODU0

ODU1

���2�

ODU3

ODU4

HUAWEI TECHNOLOGIES CO., LTD.

ODUflex Huawei Confid ential

Page 15

Agenda 

Huawei 100G Solution



100G Cooperation with Carriers

Huawei 100G Progress Commercial Project release 40G/100G Coherent

EANTC

Commercial Available

•

suitable for existing 10G/40G network evolution

• •

Field Trial 2011.2

Max. amount & longest distance

Juniper 

End to end 100G interoperability Test by EANTC DWDM: Huawei Router : Huawei NE5000E,  juniper T1600

•

3,000 km without Regeneration

• •

Hybrid 40&100G without guardband

•

2010.6

• •

• 1st 100G Interoperation Test • DWDM: Huawei Darmstadt -> Nuremberg -> Darmstadt, 2110km uncompensated SMF link • Router: Cisco CRS-3 Hybrid tr ansmiss ion with 10G/40G

20092009-11 HUAWEI TECHNOLOGIES CO., LTD.

• • •

20102010-6

Co-exist with the adjacent 10G lambdas 520km &613km w/o regeneration G.652&G.655 mixed fiber 

Ultra capacity to 8T

20102010-12 Huawei Confid ential

Deployed on the existing International WDM Network

Page 17

20112011-6

The Pan Pan--Europe 100G Application 100G Card

Tester 



Link1 E2E 520km w/o regeneration , 214km unamplified.



Link2 E2E 613km w/o regeneration ,



Mixed transmission w/i 10G/40G, ROADM passing through.

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 18

Page 18

3,000km In China Telecom Trial λ 38/40G

DQPSK

24 Span(24× (24×23dB), 23dB), up to 3,000km

λ 38/40G

DQPSK

Corning G.652 Fiber, 125km/23dB

λ 40/100G

QPSK

λ 40/100G QPSK λ 42/40G

DQPSK

λ 42/40G

DQPSK

λ 39/40G

DQPSK

λ 39/40G

DQPSK

λ 41/40G

DQPSK

λ 41/40G

DQPSK

Data: 2010.11 China Telecom 100G Trial Platform: OSN 8800

100G

40G

40G

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40G

40G



3, 000 km without Regeneration



Hybrid 40&100G without guardλ38~ λ41 guard-band ((λ is c on tinuous). con



Up to u ltra capacity of 8T (1 (100G*80(100G*80 00G*80-ch)

Huawei Confid ential

Page 19

Industrial 1 st 100G E2E Trial - DFN

������� ��� HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 20

Summary 

Huawei design 100G solution with deep understanding of what might impact system and network performance.



Huawei’s successful 40G technology paves a solid path to 100G solution.



Huawei is committed to bring the best product Just like what Huawei did for 40G & 10G products

HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confid ential

Page 21

Thank you www.huawei.com

Copyright© 2011 Huawei Technologies Co., Ltd. All Rights Reserved. The information contained in this document is for reference purpose only, and is subject to change or withdrawal acco rding to specific customer requirement s and conditions.