论文标题
频域多用户检测单载体调制的循环前缀
Frequency Domain Multi-user Detection for Single Carrier Modulation with Cyclic Prefix
论文作者
论文摘要
频域（FD）多用户检测（MUD）已被证明是在具有高度分散通道的大型MIMO场景中接近单载波调制（SCM）方案的理论上每个用户容量的有效手段。当将环状前缀添加到SCM波形中时，所得的卷积通道矩阵的循环结构允许使用FD检测的相对简单的表达式。在本文中，我们在时间划分双链胶（TDD）大规模MIMO设置中开发了一种计算高效的最小平方误差（MMSE）FD-MUD技术，并展示如何在上行链路和下链接之间共享处理步骤。
Frequency domain (FD) multi-user detection (MUD) has been shown to be an effective means of approaching the theoretical per-user capacity for single carrier modulation (SCM) schemes in massive MIMO scenarios with highly dispersive channels. When a cyclic prefix is added to the SCM waveform, the circulant structures of the resulting convolutional channel matrix allows for relatively simple expressions for the FD detection. In this paper, we develop a computationally efficient minimum mean squared error (MMSE) FD-MUD technique in a time-division duplexing (TDD) massive MIMO setup and show how processing steps can be shared between uplink and downlink.
