论文标题
使用短数据包的错误限制的Noma-Harq方法
An Error-limited NOMA-HARQ Approach using Short Packets
论文作者
论文摘要
在本文中，我们建议并分析使用非正交多访问（NOMA）上行链路通信的错误约束数据传输方法。提出了有关混合自动重复请求（HARQ）协议的案例的结果，根据前一轮的消息解码状态，接收器的解码方案以及发送器的数据速率/传输功率相应地适应了。我们对所提出的方案进行有限的扩展分析，并研究编码长对Noma-Harq协议性能的影响。特别是考虑到有限长度的重复时间多样性和代码字，我们确定了与常规的Noma-Harq协议相比，我们所提出的方案的预期误差可实现的速率和发射功率提高。如我们所示，解码方案的SMART适应能够大大提高NOMA-HARQ协议的光谱/能源效率，而没有其他接收器的复杂性。
In this paper, we propose and analyze an error-constrained data transmission approach for uplink communication using non-orthogonal multiple access (NOMA). The results are presented for the cases with hybrid automatic repeat request (HARQ) protocols where, depending on the message decoding status in the previous rounds, the decoding scheme of the receiver as well as the data rates/transmission powers of the transmitters are adapted correspondingly. We perform finite block-length analysis of the proposed scheme and study the effect of the codewords length on the performance of NOMA-HARQ protocols. Particularly, considering repetition time diversity HARQ and codewords of finite length, we determine the expected error-limited achievable rate and the transmit power improvement of our proposed scheme, compared to the conventional NOMA-HARQ protocols. As we show, smart adaptation of the decoding scheme improves the spectral/energy efficiency of NOMA-HARQ protocols considerably with no additional receiver complexity.
