ID 原文 译文
17585 IA-SQRD算法将传统的活跃性感知有序正交三角分解(A-SQRD)算法的最终解作为初始解，并额外增加迭代干扰消除操作，以进一步提高检测性能。 The IA-SQRD algorithm utilizes the final solution of the A-SQRD algorithm as the initial solution and the iterative interference cancellation operation is performed to improve further the detection performance.
17586 此外，利用与改进A-SQRD算法相似的思路，该文对稀疏感知串行干扰消除(SA-SIC)、有序正交三角分解(SQRD)及数据相关的排序和正则化(DDS)算法亦进行了改进设计，分别获得了相应的改进型算法，即ISA-SIC、I-SQRD及I-DDS算法。 Following thesame philosophy in improving the A-SQRD algorithm, the conventional Sparsity-Aware Successive InterferenceCancellation (SA-SIC), Sorted QR Decomposition (SQRD), and Data-Dependent Sorting and regularization(DDS) algorithms are modified to enhance the performance, respectively.
17587 仿真结果表明：相对于A-SQRD算法，在未显著增加计算复杂度的情况下，在系统误比特率(BER)为时，该文所提IA-SQRD算法可取得3 dB性能增益； Simulation results verify thatcompared with the A-SQRD algorithm, a 3 dB gain is achieved by the proposed IA-SQRD algorithm when theBit Error Rate (BER) is , without significantly increasing the computational complexity.
17588 并且，对于不同的活跃概率或扩频序列长度等参数配置下的mMTC系统，IA-SQRD算法相对于其它算法均表现出更优良的多用户检测性能。 In addition, given different system configurations in terms of active probability and the length of spread spectrum sequence, the proposed IA-SQRD also exhibits better performance than that of the other algorithms mentioned in this paper.
17589 针对非信任双向中继网络的能量受限和信息安全问题，该文提出一种基于无线携能通信(SWIPT)与人工噪声辅助的物理层安全传输方案。 The physical-layer security transmission scheme based on Simultaneous Wireless Information andPower Transfer (SWIPT) and artificial noise-aided is proposed to solve the energy-constrained and informationsecurity issues upon the two-way untrusted relay networks.
17590 该方案中的非信任中继采用功率分割(PS)策略辅助合法用户进行保密通信，而全双工干扰机在进行能量采集的同时发送人工噪声以确保系统安全。 The Power Splitting (PS) strategy is adopted by the untrusted relay to assist the confidential communication, where a full-duplex jammer is assigned to send the artificial noise while harvesting energy, to ensure the system security.
17591 以最大化系统保密性能为目标，优化了中继的PS因子，推导了保密和速率的解析式及高信噪比条件下最佳PS因子的闭式解。 The PS factor is optimized to maximizethe secrecy performance, and then the closed-form expressions of the secrecy sum-rate and optimal PS ratio arederived in the high signal-to-noise ratio regime.
17592 特别针对非理想信道状态信息的情况，分析了信道估计误差对系统保密性能的影响。 Besides, the impacts of the channel estimation error on thesystem security are analyzed for the imperfect channel state information.
17593 仿真结果验证了理论推导的正确性，并证明了所提的基于PS策略的干扰机协同传输方案相比采用时间切换(TS)策略或目的节点协同干扰的方案具有更优的保密性能。 Simulation results validate thecorrectness of the theoretical derivation and demonstrate that the proposed transmission scheme based on PSstrategy and friendly jammer outperforms that based on the Time Switching (TS) strategy or destination-aidedjamming.
17594 针对密度聚类算法只能识别密度相近的簇类且计算复杂度高等问题，该文提出一种基于信令数据中时空轨迹信息的密度峰值快速聚类(ST-CFSFDP)算法。 For the problem that the density-based clustering algorithm can only identify clusters with similardensity and high computational complexity, a Clustering by Fast Search and Find of Density Peaks based onSpatio-Temporal trajectory information in mobile phone signaling data, namely ST-CFSFDP, is proposed.