Thứ Ba, 6 tháng 6, 2017

The Index-based optical spatial modulation scheme in optical MIMO

Optical Multi-Input and Multi-Output (O-MIMO) is considered as an effective solution in order to achieve high performance for Visible Light Communication (VLC) systems. However, O-MIMO systems are faced with the impact of Inter- Channel Interference (ICI) which results in system performance decrease. In this paper, a novel Index-based Optical Spatial Modulation (IOSM) is proposed to remove ICI and increase spectrum efficiency for indoor VLC systems applying O-MIMO. In our proposed scheme, the signals are DC biased for intensity modulation and direct detection (IM/DD) and a Maximumlikelihood (ML) decoder decision to maximize the signal-To-noise ratio (SNR) at the receiver. Computer simulation results show that the proposed scheme outperforms previously proposed spatial modulation schemes in O-MIMO systems.
http://repository.vnu.edu.vn/handle/VNU_123/34090

Không có nhận xét nào:

Đăng nhận xét

Trợ động từ avoir và être trong tiếng pháp xét dưới góc độ ngữ nghĩa và một số hệ quả sư phạm - The auxiliary verbs “Avoir” and “Etre” in semantic angle in French

In French, a composite verb is normally formed with one of the auxiliary verbs “AVOIR” and “ETRE”. Most of these verbs are with “AVOIR”, an...