ID 原文 译文
52037 仿真结果表明,与频域固定阈值前导检测算法相比,在加性高斯白噪声信道中,所提算法的正确检测概率性能提升了1 dB; The simulation results show that compared with the frequency domain fixed threshold preamble detection algorithm, the correct detection probability performance of the proposed algorithm is improved by 1dB in the Additive White Gaussian Noise(AWGN) channel.
52038 在节拍延迟线(TDLC300-100)信道中,所提算法的正确检测概率性能提升了2 dB。 In the Tapped Delay Line(TDLC300-100) channel, the correct detection probability performance of the proposed algorithm is improved by 2dB.
52039 大规模多输入多输出(MIMO)技术是5G的关键技术之一, Massive Multiple-Input Multiple-Output(MIMO) is one of the key technologies in 5G.
52040 由导频资源有限引起的导频污染是制约其发展的主要瓶颈之一, Pilot contamination, which is caused by limited number of pilots, has become an important bottleneck for the development of massive MIMO.
52041 为此必须对宝贵的导频资源进行合理地分配以减小导频污染。 In this respect, a reasonable pilot allocation should be designed for the valuable pilot resources to reduce the effect of pilot pollution.
52042 已有的导频分配方案大多考虑静态导频分配,无法很好地适应用户位置不断变化的移动通信环境。 However, existing pilot allocation schemes mostly consider static pilot allocation, which are not well adapted to the mobile communication environment where user positions are constantly changing.
52043 文章针对大规模MIMO系统中用户移动时的导频分配问题,提出了一种动态迁移导频分配方法。 In this paper, a dynamic migration pilot allocation algorithm is proposed for the problem of how pilots are dynamically allocated stepping with the movement of users in massive MIMO.
52044 该方法在两个相邻时隙间仅针对移动幅度较大的用户进行额外的导频优化,根据分配方案选择一个用户与之进行导频交换,对于其他的用户不改变原分配导频。 According to pilot allocation algorithm, a user is selected to exchange pilots with the user who has migrated between two time slots and does not change the original allocation pilot for other users.
52045 复杂度分析及仿真结果表明,该算法相较于传统的导频分配方法可以显著地降低计算复杂度,并且与传统的导频分配方法具有相近的频谱效率,具有较高的实用价值。 The complexity analysis and simulation results show that the proposed algorithm can significantly reduce the computational complexity and have similar spectral efficiency comparing with the traditional pilot allocation method. Therefore, the proposed algorithm has a high practical significance.
52046 现有的太赫兹无线个域网双信道介质访问控制(MAC)协议工作在WiFi和太赫兹信道。 The existing Terahertz wireless personal area network dual-channel Media Access Control(MAC) protocol works in WiFi channel and Terahertz channel.