On the Robustness of Spatial Modulation to I/Q Imbalance

Ahmed Helmy Marco Di Renzo 1 Naofal Al-Dhahir
1 Division Télécoms et Réseaux - L2S
L2S - Laboratoire des signaux et systèmes : 1289
Abstract : We analyze the bit error rate performance of spatial modulation (SM)-based direct-conversion transceivers under transmit in-phase/quadrature (I/Q) imbalance. To investigate the impact of transmit I/Q imbalance on SM, we derive the signal-to-noise ratio loss due to I/Q imbalance impact compared with an ideal direct-conversion transceiver with no I/Q imbalance. Our analysis unveils the robustness of SM to transmit I/Q imbalance compared with conventional single-input multi-output transmissions, by relying more on the spatial domain.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-01879979
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Submitted on : Monday, September 24, 2018 - 1:57:31 PM
Last modification on : Tuesday, November 27, 2018 - 3:15:25 PM

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Ahmed Helmy, Marco Di Renzo, Naofal Al-Dhahir. On the Robustness of Spatial Modulation to I/Q Imbalance. IEEE Communications Letters, Institute of Electrical and Electronics Engineers, 2017, 21 (7), pp.1485 - 1488. ⟨10.1109/LCOMM.2017.2677421⟩. ⟨hal-01879979⟩

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