ID 原文 译文
21025 实验结果均表明：该算法能够较好地检测出射频干扰异常数据，检测性能较好。 The results indicate that the proposed detection RFI algorithm can effectively detect the RFI contaminated abnormal data, and exhibits good detected ability.
21026 针对5G超密集异构网中严重的跨层干扰问题，该文提出一种基于现有的增强型小区间干扰协调技术和协同多点传输技术的联合干扰协调方法。 This paper presents an approach of combining the existing enhanced inter-cell interference coordination technology and the downlink joint transmission scheme of coordinated multi-point transmission technology to solve the problem of serious cross-layer interference in 5G ultra-dense heterogeneous network.
21027 运用随机几何理论工具推导了两层超密集异构网下用户的中断概率，频谱效率和网络平均遍历容量表达式。 With using tools from stochastic geometry theory, the expressions such as the outage probability, spectrum efficiency and network average ergodic capacity of two-layer ultra-dense heterogeneous network are derived.
21028 仿真结果表明：该文提出的联合的干扰协调方案，相比于传统协同多点传输技术，不仅降低了协作用户数目，同时使得用户在信干比阈值为0 dB时的中断概率降低了15%； Simulation results show that the proposed joint interference coordination scheme not only reduces the numberof cooperative users compared with the traditional coordinated multi-point transmission technology, but alsoreduces the outage probability of users by 15% in the network at 0 dB.
21029 相比较于增强型小区间干扰协调技术，在偏置值为10 dB时，扩展区域的用户频谱效率改善为35%，整个网络平均遍历容量提升了3.4%。 Compared with the enhanced inter-cell interference coordination technology, when the bias value is 10 dB, the user spectrum efficiency in the extended area is improved to 35% and the average traversal capacity of the entire network is increased by 3.4%.
21030 稀疏码多址接入(SCMA)作为一种具有竞争力的非正交多址接入(NOMA)技术，该技术通过高维调制与稀疏扩频的结合，有效地提升了系统的频谱效率。 As a competitive Non-Orthogonal Multiple Access (NOMA) technique, Sparse Code Multiple Access(SCMA) improves efficiently the system spectral efficiency by combining the high dimensional modulation and sparse spread spectrum.
21031 该文针对现有SCMA码本设计中存在的问题，提出一种同时适用于高斯信道和瑞利衰落信道的SCMA码本优化设计方法。 To address the existing issues of SCMA codebook design, an optimization designmethod for SCMA codebooks is proposed for both Rayleigh fading and Gaussian channels.
21032 在该方法中，首先通过旋转基准星座和母星座，实现母星座在各个维度上投影点间的最小欧氏距离以及叠加在单个资源块上的总星座中与各用户对应的星座图上星座点间的最小欧氏距离的最大化，以提升SCMA码本在高斯信道下的性能； In the method, byrotating the base constellation and the mother constellation, the minimum Euclidean distance between theprojection points of the mother constellation on each dimension, and between the constellation points on theconstellations corresponding to each user in the total constellation on a single resource block is maximized inorder to improve the performance of the SCMA codebooks over Gaussian channels;
21033 进而在保持总星座上星座点间最小欧氏距离不变的条件下，通过旋转叠加在单个资源块上多个用户的星座，优化叠加在单个资源块上的与各用户对应的星座图中星座点间最小乘积距离和信号空间分集(SSD)阶数， On the basis of it, byrotating the constellation of multiple users superimposed on each resource block, the corresponding minimumproduct distance and the Signal Space Diversity (SSD) order of the users’ constellations are optimized;
21034 最后结合Q路坐标交织技术获得额外的分集增益，以提升系统抗信道衰落的能力。 At last,an additional diversity gain is achieved by using Q-coordinate interleaving technology to improve further theperformance over the Rayleigh fading channels.