期刊
IEEE WIRELESS COMMUNICATIONS LETTERS
卷 10, 期 4, 页码 878-881出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2020.3048068
关键词
Neural networks; Bit error rate; Training data; Receivers; Fading channels; Downlink; NOMA; Sparse code multiple access (SCMA); deep neural network (DNN); bit error rate (BER); deep learning
资金
- Ministry of Science and Technology of Taiwan [MOST 108-2218-E-110-014, MOST 109-2221-E-110-050-MY3]
SCMA has emerged as a competitive technology for future cellular systems. By utilizing a DNN method, the computational complexity of the decoder can be reduced, resulting in better BER performance and lower complexity compared to other DNN solutions previously studied.
Sparse code multiple access (SCMA) has become a highly competitive technology for future cellular systems. For the receiver of the SCMA system, besides the traditional maximum likelihood and message passing algorithm solutions, a deep neural network (DNN) method that causes whirlwinds in image recognition can reduce the computational complexity of the decoder. We expect low complexity while maintaining a satisfactory bit error rate (BER) performance. As shown in our simulations, our proposed solution has better BER performance and lower computational complexity than other previously studied DNN solutions.
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