Multiple Feedback Successive Interference Cancellation Detection for Multiuser MIMO Systems
Citations
1,406 citations
Cites background from "Multiple Feedback Successive Interf..."
...Although there exist works that analytically study the SIC error propagation in basic MIMO systems [75], [76], there is no prominent research that provides a mathematical understanding of the effect of imperfect SIC on NOMA schemes....
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879 citations
243 citations
Cites methods from "Multiple Feedback Successive Interf..."
...To address this issue, several enhanced algorithms can be invoked, which include the minimum mean-squared error (MMSE) detection [67], [68] and the successive interference cancellation (SIC) techniques [69], [70]....
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163 citations
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References
3,925 citations
"Multiple Feedback Successive Interf..." refers methods in this paper
...On the other hand, non-linear detection techniques such as the successive interference cancellation (SIC) used in the vertical Bell Labs layered space-time (V-BLAST) [4] have a low-complexity, while achieving a reduced MAI than their linear counterparts....
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3,798 citations
"Multiple Feedback Successive Interf..." refers background in this paper
...In this case, [1,2] for L = 2 and [1,2,3,5] for L = 4....
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...Linear detection (LD) [1] based on the minimum mean-square error (MMSE) or the zero-forcing (ZF) criteria is a lowcomplexity scheme but the error performance is unacceptable due to the multiple access interference (MAI)....
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...IN MU-MIMO systems, the optimum maximum likelihood detection (MLD) scheme which performs an exhaustive search of the constellation map has exponential complexity with the increasing number of data streams (users) [1]....
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2,098 citations
"Multiple Feedback Successive Interf..." refers background or methods in this paper
...Therefore, instead of using the PIC based soft cancellation (SC/MMSE) [7] [8], in our approach, the proposed MF-SIC algorithm is used in the first iteration to calculate the extrinsic information and to feed it to the MAP decoders for all the users....
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...(16) where P (xk,τ ) is a priori probability of a bit xk,τ and obtained by its a priori LLR as [7]...
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779 citations
"Multiple Feedback Successive Interf..." refers background in this paper
...In this case, [1,2] for L = 2 and [1,2,3,5] for L = 4....
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...However, the SD still has an exponential lower bound in complexity for a high number of data streams [3]....
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510 citations
"Multiple Feedback Successive Interf..." refers methods in this paper
...FSD is one of the lowest complexity SD that we know....
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...A simulation performed with the Lightspeed toolbox [13] and 𝐸𝑏/𝑁0 = 12 dB has shown that for a 16-QAM system with 8 users, the MF-SIC algorithm requires only 2938 FLOPS and a MB-MF-SIC with 9 branches requires 26442 FLOPS while a fixed complexity SD (FSD) [14] requires 75120 FLOPS....
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...A simulation performed with the Lightspeed toolbox [13] and Eb/N0 = 12 dB has shown that for a 16-QAM system with 8 users, the MF-SIC algorithm requires only 2938 FLOPS and a MB-MF-SIC with 9 branches requires 26442 FLOPS while a fixed complexity SD (FSD) [14] requires 75120 FLOPS....
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