论文标题
基于SIC和HARQ-IR的重新传播多样性多元访问
Re-Transmission Diversity Multiple Access based on SIC and HARQ-IR
论文作者
论文摘要
我们在本文中考虑了基于混合自动请求（HARQ）协议的重新传播多样性（RTXD）的多个访问权限（RTXD）。为了减轻多个访问干扰（MAI），我们在接收器处采用连续的干扰取消（SIC），并得出条件，这些条件可以在一定数量的IR块重新转换中成功解码所有来自活动用户的信号。我们考虑两种特殊情况，并基于它们，我们得出了两个多通道随机访问方案，这些方案在功率和速率域中具有亚渠道。通过分析和仿真，我们可以证明所提出的RTXD随机访问方案可以优于其他现有的类似RTXD随机访问方案。
We consider multiple access with re-transmission diversity (RTxD) based on a hybrid automatic request (HARQ) protocol with incremental redundancy (IR) in this paper. In order to mitigate multiple access interference (MAI), we employ successive interference cancellation (SIC) at a receiver and derive conditions that all the signals from active users can be successfully decoded within a certain number of re-transmissions of IR blocks. We consider two special cases, and based on them we derive two multichannel random access schemes that have subchannels in the power and rate domains. Through the analysis and simulations, we can show that the proposed RTxD random access schemes can outperform other existing similar RTxD random access schemes.
