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A full duplex radio over fiber architecture employing 12 Gbps 16 × 16 optical MIMO for next generation communication networks

A full duplex radio over fiber architecture employing 12 Gbps 16 × 16 optical MIMO for next generation communication networks
A full duplex radio over fiber architecture employing 12 Gbps 16 × 16 optical MIMO for next generation communication networks
In this paper, a full duplex Millimeter Wave (mm-wave) enabled Radio-over-Fiber (RoF) architecture is proposed for Distributed Antenna Systems (DAS). This architecture is capable of achieving transmission of 16 16 optical Multiple Input Multiple Output (MIMO) spatial streams at 12 Gbps per spatial stream by employing Wavelength Division Multiplexing (WDM) and exploiting its other degrees of freedom such as polarization states and modes of wavelengths. A single laser source based multi-wavelength comb and wavelength reuse techniques along with Plastic Optical Fiber (POF) are employed to make the proposed architecture cost efficient. Optical heterodyne detection is performed at the Radio Access Unit (RAU) to generate mm-wave carrier frequency at 60 GHz. Channel equalization is achieved for Pulse Amplitude Modulation (PAM-4) data signal by employing Least Mean Square (LMS) equalizer to mitigate the optical fiber channel effects. Our proposed system supports 16x12 Gbps for Downlink (DL) and Uplink (UL) transmissions. To evaluate the performance of the proposed system, we compare the receiver sensitivities at FEC limit of 3.8x1e-3 of Bit Error Ratio (BER) of Back to Back (B2B) system, employing no fiber effects, with its counterparts. We show that acceptable power penalties for the fiber lengths of 200 meter and 400 meter are achieved for both LP01 and LP11 modes in DL and UL directions.
2161-3915
Iqbal, Saeed
5c9dc1c0-eda3-4498-9378-da804f004dbc
Raza, Aadil
f282e772-4717-4565-a7cc-1fa25fbdbe82
Butt, Muhammed Fasih Uddin
8ba5784e-9384-42ea-b449-7f268f0981a4
Ghafoor, Salman
9e177bcd-2f67-4195-9738-9a2b370b6fc5
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Iqbal, Saeed
5c9dc1c0-eda3-4498-9378-da804f004dbc
Raza, Aadil
f282e772-4717-4565-a7cc-1fa25fbdbe82
Butt, Muhammed Fasih Uddin
8ba5784e-9384-42ea-b449-7f268f0981a4
Ghafoor, Salman
9e177bcd-2f67-4195-9738-9a2b370b6fc5
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f

Iqbal, Saeed, Raza, Aadil, Butt, Muhammed Fasih Uddin, Ghafoor, Salman and El-Hajjar, Mohammed (2020) A full duplex radio over fiber architecture employing 12 Gbps 16 × 16 optical MIMO for next generation communication networks. Transactions on Emerging Telecommunications Technologies, [e3910]. (doi:10.1002/ett.3910).

Record type: Article

Abstract

In this paper, a full duplex Millimeter Wave (mm-wave) enabled Radio-over-Fiber (RoF) architecture is proposed for Distributed Antenna Systems (DAS). This architecture is capable of achieving transmission of 16 16 optical Multiple Input Multiple Output (MIMO) spatial streams at 12 Gbps per spatial stream by employing Wavelength Division Multiplexing (WDM) and exploiting its other degrees of freedom such as polarization states and modes of wavelengths. A single laser source based multi-wavelength comb and wavelength reuse techniques along with Plastic Optical Fiber (POF) are employed to make the proposed architecture cost efficient. Optical heterodyne detection is performed at the Radio Access Unit (RAU) to generate mm-wave carrier frequency at 60 GHz. Channel equalization is achieved for Pulse Amplitude Modulation (PAM-4) data signal by employing Least Mean Square (LMS) equalizer to mitigate the optical fiber channel effects. Our proposed system supports 16x12 Gbps for Downlink (DL) and Uplink (UL) transmissions. To evaluate the performance of the proposed system, we compare the receiver sensitivities at FEC limit of 3.8x1e-3 of Bit Error Ratio (BER) of Back to Back (B2B) system, employing no fiber effects, with its counterparts. We show that acceptable power penalties for the fiber lengths of 200 meter and 400 meter are achieved for both LP01 and LP11 modes in DL and UL directions.

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Full Duplex RoF - Accepted Manuscript
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More information

Accepted/In Press date: 30 January 2020
e-pub ahead of print date: 1 March 2020

Identifiers

Local EPrints ID: 437940
URI: http://eprints.soton.ac.uk/id/eprint/437940
ISSN: 2161-3915
PURE UUID: 57721f6c-4630-414d-b70b-1c382e80605c
ORCID for Mohammed El-Hajjar: ORCID iD orcid.org/0000-0002-7987-1401

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Date deposited: 24 Feb 2020 17:31
Last modified: 07 Oct 2020 02:01

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Contributors

Author: Saeed Iqbal
Author: Aadil Raza
Author: Muhammed Fasih Uddin Butt
Author: Salman Ghafoor
Author: Mohammed El-Hajjar ORCID iD

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