Jun 20, 2017 · Simulations demonstrate that the proposed ISS-MPA scheme with 2 iterations provides very similar bit error rate performance to the existing ...

Abstract—Sparse code multiple access (SCMA), which is a novel non-orthogonal multiple access, has been proposed to address the challenges of massive ...

An improved serial scheduling-based MPA (ISS-MPA) detection scheme is proposed, where the user node scheduling order is first selected based on the maximum ...

The serial algorithm and threshold algorithm are used to reduce the code storage time in the iterative process, improve the accuracy of information transmission ...

In this paper, a design framework for an improved SCMA multiuser detector is proposed based on the message passing algorithm (MPA). As the primary SCMA detector ...

May 24, 2022 · The adaptive modulation strategy can maximize the throughput and has the best throughput performance compared with the traditional SCMA system ...

This paper describes a codebook generation algorithm for the sparse code multiple access (SCMA). In this paper, we propose an algorithm to construct MC based ...

We show that the proposed SCMA scheme outperforms the MDC-SCMA scheme in terms of both error rate performance and receiver complexity when the user load is high ...

Aug 27, 2020 · Improved Serial. Scheduling-Based Detection for Sparse Code Multiple Access Systems, IEEE Wireless. Communications Letters, Volume: Oct. 2017 ...

Jun 17, 2023 · A deep Q learning-based SCMA, called Q-SCMA, is proposed, in which codebooks are adaptively constructed to minimize bit error rate (BER), maximizing throughput.