TY - JOUR
T1 - Active Fully-Connected RIS Based on Index Modulation for High Rate and Energy-Efficient Systems
AU - Jin, Junlan
AU - Jin, Xiaoping
AU - Wen, Miaowen
AU - Song, Meiyan
AU - Huang, Chongwen
AU - Yao, Yudong
N1 - Publisher Copyright:
© 1972-2012 IEEE.
PY - 2024
Y1 - 2024
N2 - In this paper, a novel active fully-connected reconfigurable intelligent surface assisted space shift keying and code index modulation (AFRIS-SCIM) scheme is proposed. On one hand, by introducing joint space-code index modulation while maintaining low power consumption and complexity, the proposed scheme achieves higher data rates compared to existing one-dimensional index modulation. On the other hand, the proposed active fully-connected architecture achieves a desirable trade-off between reliability and power consumption compared to conventional passive RIS and active RIS architectures. Additionally, to reduce detection complexity at the receiver, a low-complexity detection algorithm is proposed and the upper bound for the bit error rate (BER) of the system is derived. Mathematical models characterizing the system complexity and power consumption are also established to analyze the overall performance. Both theoretical analyses and simulation results demonstrate that the AFRIS-SCIM scheme outperforms existing RIS-IM schemes as well as multidimensional index modulation systems in terms of BER performance.
AB - In this paper, a novel active fully-connected reconfigurable intelligent surface assisted space shift keying and code index modulation (AFRIS-SCIM) scheme is proposed. On one hand, by introducing joint space-code index modulation while maintaining low power consumption and complexity, the proposed scheme achieves higher data rates compared to existing one-dimensional index modulation. On the other hand, the proposed active fully-connected architecture achieves a desirable trade-off between reliability and power consumption compared to conventional passive RIS and active RIS architectures. Additionally, to reduce detection complexity at the receiver, a low-complexity detection algorithm is proposed and the upper bound for the bit error rate (BER) of the system is derived. Mathematical models characterizing the system complexity and power consumption are also established to analyze the overall performance. Both theoretical analyses and simulation results demonstrate that the AFRIS-SCIM scheme outperforms existing RIS-IM schemes as well as multidimensional index modulation systems in terms of BER performance.
KW - code index modulation
KW - Index modulation
KW - reconfigurable intelligent surface
KW - space shift keying
UR - http://www.scopus.com/inward/record.url?scp=85197522173&partnerID=8YFLogxK
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U2 - 10.1109/TCOMM.2024.3422247
DO - 10.1109/TCOMM.2024.3422247
M3 - Article
AN - SCOPUS:85197522173
SN - 0090-6778
VL - 72
SP - 7639
EP - 7649
JO - IEEE Transactions on Communications
JF - IEEE Transactions on Communications
IS - 12
ER -