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Radio over fiber downlink design for spatial modulation and multi-set space-time shift-keying

Radio over fiber downlink design for spatial modulation and multi-set space-time shift-keying
Radio over fiber downlink design for spatial modulation and multi-set space-time shift-keying
Spatial Modulation (SM) and Multi-Set Space-Time Shift-Keying (MS-STSK) are capable of striking a flexible design trade-off between the multiplexing and diversity gains attained. These techniques can also be combined with beamfoming for the sake of supporting reliable millimeter wave (mmWave) communications. In this treatise, we propose an analogue Radio over Fiber (RoF) downlink network relying on SM and MS-STSK combined with beamforming and up-conversion to mmWave carrier frequencies, whilst using all-optical processing. In the proposed Analogue RoF (A-RoF) system, most of the digital processing of the baseband SM and MS-STSK is carried out by the Central Unit and the implicitly carried bits of SM/MSSTSK, such as the antenna index selection and dispersion matrix selection bits, are recovered by the remote radio head (RRH) of our A-RoF network for creating a multi-functional Multiple- Input Multiple-Output (MIMO) arrangement. As detailed in [1], the classic modulated bits are conveyed by the radio signal, without requiring any additional Analogue-to-Digital Conversion (ADC) and Digital-to-Analogue Conversion (DAC) before transmission from the antennas. Moreover, A-RoF-aided techniques are invoked for achieving optical processing aided beamforming and optical up-conversion to a mmWave carrier frequency. Thus, we invoke A-RoF techniques for the generation of our SM/MSSTSK signal with the aid of optically up-converted millimetre wave beamforming without using any electronic oscillators, mixers or phase shifters. Furthermore, our A-RoF-aided system’s BER performance is similar to the conventional all-electronic SM/MS-STSK scheme.
SM, MS-STSK, Radio over Fiber, Beamforming, Millimetre wave.
2169-3536
Li, Yichuan
b050e1ec-518a-4e50-9b49-6c9b36556d0b
Hemadeh, Ibrahim
6576ce7e-fe4c-4f4d-b5db-84935f38cd9c
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Li, Yichuan
b050e1ec-518a-4e50-9b49-6c9b36556d0b
Hemadeh, Ibrahim
6576ce7e-fe4c-4f4d-b5db-84935f38cd9c
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Li, Yichuan, Hemadeh, Ibrahim, El-Hajjar, Mohammed and Hanzo, Lajos (2018) Radio over fiber downlink design for spatial modulation and multi-set space-time shift-keying. IEEE Access. (doi:10.1109/ACCESS.2018.2821642).

Record type: Article

Abstract

Spatial Modulation (SM) and Multi-Set Space-Time Shift-Keying (MS-STSK) are capable of striking a flexible design trade-off between the multiplexing and diversity gains attained. These techniques can also be combined with beamfoming for the sake of supporting reliable millimeter wave (mmWave) communications. In this treatise, we propose an analogue Radio over Fiber (RoF) downlink network relying on SM and MS-STSK combined with beamforming and up-conversion to mmWave carrier frequencies, whilst using all-optical processing. In the proposed Analogue RoF (A-RoF) system, most of the digital processing of the baseband SM and MS-STSK is carried out by the Central Unit and the implicitly carried bits of SM/MSSTSK, such as the antenna index selection and dispersion matrix selection bits, are recovered by the remote radio head (RRH) of our A-RoF network for creating a multi-functional Multiple- Input Multiple-Output (MIMO) arrangement. As detailed in [1], the classic modulated bits are conveyed by the radio signal, without requiring any additional Analogue-to-Digital Conversion (ADC) and Digital-to-Analogue Conversion (DAC) before transmission from the antennas. Moreover, A-RoF-aided techniques are invoked for achieving optical processing aided beamforming and optical up-conversion to a mmWave carrier frequency. Thus, we invoke A-RoF techniques for the generation of our SM/MSSTSK signal with the aid of optically up-converted millimetre wave beamforming without using any electronic oscillators, mixers or phase shifters. Furthermore, our A-RoF-aided system’s BER performance is similar to the conventional all-electronic SM/MS-STSK scheme.

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Accepted/In Press date: 28 March 2018
e-pub ahead of print date: 30 March 2018
Keywords: SM, MS-STSK, Radio over Fiber, Beamforming, Millimetre wave.

Identifiers

Local EPrints ID: 419292
URI: https://eprints.soton.ac.uk/id/eprint/419292
ISSN: 2169-3536
PURE UUID: 6ff2cca3-e5f0-4c8f-be42-5b3e529266eb
ORCID for Yichuan Li: ORCID iD orcid.org/0000-0003-2078-0983
ORCID for Mohammed El-Hajjar: ORCID iD orcid.org/0000-0002-7987-1401
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 10 Apr 2018 16:30
Last modified: 17 Sep 2019 01:10

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