High Capacity mmWave

Radio-over-Fiber Communication Links

Lucas Cavalcante, J.J. Vegas Olmos and I. Tafur Monroy

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Outline

»Which problem are we solving?»Our solution!»What have we done?

»70m Experiment»BiF Experiment

»What’s next?

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INTERNET

INTERNET

CLIENT

PROVIDER(CENTRALOFFICE)

4[1] Cisco VNI Mobile Forecast, 2013

[1]

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Outline

»Which problem are we solving?»Our solution!»What have we done?

»70m Experiment»BiF Experiment

»What’s next?

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CENTRAL OFFICE

WO

N-P

ON

REMOTE NODE

60 GHz

2.4 GHz

8Opt. Eng. 50(10), 105006 (September 29, 2011). doi:10.1117/1.3641864

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1Frequency (GHz)

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GSM900MHz

1800MHz

UMTS~2GHz

WLAN2.4GHz5.1GHz

LMDS28GHz29GHz31GHz

HiperAccess18GHz42GHz MVDS

40GHz

WIMAX/LTE2.5GHz

802.20~3.5GHz

UWB3.1-10.6 GHz

WiGig60GHz

6040 75 110

Future high capacity

wireless links

75-300 GHz

0 10 20 30 40 50 60 70 80 90 10040

50

60

70

80

90

100

110

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Wireless distance (m)Fr

ee s

pace

pat

h lo

ss (d

B)

2.6 GHz (LTE)

5 GHz (WiFi, 802.11n)60 GHz (WiGig, 802.11ad)

100 GHz

Loss vs. distance

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CO

BS

CO

BS1

BS2BS3

BS4

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Outline

»Which problem are we solving?»Our solution!»What have we done?

»70m Experiment»BiF Experiment

»What’s next?

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• d = 20, 30, 40, 50, 60, 70 m

• fc = 75, 78, 81, 84, 87 GHz

• fs = 1, 2, 2.5 Gbps

• Optical Power (before laser diode) = 0 dBm – 8 dBm

• d = 70 m

• fc = 84 GHz

• fs = 1 Gbps, 2.5 Gbps

• Optical Power (before laser diode) = 0 dBm – 8 dBm

• Fiber Type: SMF, Starlite A1, A2, A3 (ITU-T G.657)

• Bending radius = 5, 7.5, 10, 15 mm

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Outline

»Which problem are we solving?»Our solution!»What have we done?

»70m Experiment»BiF Experiment

»What’s next?

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•Higher-order modulation formats

•Unexploited strategies for frequency division multiplexing

•Move to low-terahertz frequencies (110GHz- 300GHz)

THANK YOU

MetroAccessGroup

Metro Access Photonics Engineering

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Metro-Access & Short Range Systems

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