Communication Dans Un Congrès Année : 2024

On the Use of Filter Shape Index Modulation for Downlink NOMA Systems Over Fading Channels

Résumé

In our work, we investigate the use of an index modulation technique for Non-Orthogonal Multiple Access (NOMA) systems within the terahertz communication context. This modulation is called Filter Shape Index Modulation (FSIM), and it is considered to be a single-carrier modulation. We focus on a downlink NOMA scenario with two users, where both of these users and the Base Station (BS) are equipped with a single antenna. In our system, we consider to have frequency selective fading channels. We compare the Bit Error Rate (BER) performance of our system with that of a two-user NOMA system that uses Quadrature Phase Shift Keying (QPSK) modulation. We present the effect of multipath fading channels on the BER performance and investigate the case of imperfect Inter-Symbol Interference (ISI) cancellation at the receiver side.

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Dates et versions

hal-05025512 , version 1 (08-04-2025)

Identifiants

Citer

Georgios Konstantopoulos, Paul Desombre, George A Ropokis, Yves Louët. On the Use of Filter Shape Index Modulation for Downlink NOMA Systems Over Fading Channels. 2024 IEEE Virtual Conference on Communications (VCC), Dec 2024, New York, United States. pp.1-5, ⟨10.1109/vcc63113.2024.10914375⟩. ⟨hal-05025512⟩
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