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Radio-over-fiber aided base station coordination for OFDM

Armada, Ana Garcia, Thomas, Varghese Antony, El-Hajjar, Mohammed and Hanzo, Lajos (2014) Radio-over-fiber aided base station coordination for OFDM At IEEE 80th Vehicular Technology Conference: VTC2014, Canada. 14 - 17 Sep 2014. , pp. 1-6. (doi:10.1109/VTCFall.2014.6966148).

Record type: Conference or Workshop Item (Paper)


Radio over Fiber (RoF) distribution aided co-operation of Remote Access Points (RAPs) is proposed for jointly transmitting data to the users in the downlink (DL) of a Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) system. Joint transmission is performed with the aid of Block Diagonalization (BD), where the transmitted signal is pre-distorted in order to overcome the non-linearity imposed by the optical modulator. We demonstrate that with adequate design, the users can obtain high data rates with very small degradation introduced by the RoF transmission. Quantitatively, when M=7 RAPs, each equipped with t=2 transmit antennas (TAs) each, cooperate to serve N=7 simultaneous users, also equipped with r=2 receive antennas (RAs), the SNR degradation is kept below 0.1 dB compared to a system assuming a perfect RoF channel. On the other hand, the SNR performance degradation is around 1.2 dB, when the number of antennas at the transmitters and the receivers is increased to t=r=8.

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Published date: September 2014
Venue - Dates: IEEE 80th Vehicular Technology Conference: VTC2014, Canada, 2014-09-14 - 2014-09-17


Local EPrints ID: 387149
ISBN: 978-1-4799-4449-1/14
PURE UUID: b51ab60b-108f-4d76-bb46-7ccd256bf873
ORCID for Mohammed El-Hajjar: ORCID iD

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Date deposited: 16 Feb 2016 11:32
Last modified: 17 Jul 2017 19:44

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Author: Ana Garcia Armada
Author: Varghese Antony Thomas
Author: Mohammed El-Hajjar ORCID iD
Author: Lajos Hanzo

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