ID | 原文 | 译文 |
57328 | 面向 2030 年,对第 6 代移动通信系统( 6G) 的总体愿景和典型业务场景进行了探讨,并提出了 6G 网络关键性能的指标测算方法. | Towards the year 2030 and beyond,the overall visions and typical scenarios of the sixth gener- ation of mobile communications system ( 6G) are discussed preliminarily,and a method for estimating key performance indicators ( KPIs) of 6G networks is proposed innovatively. |
57329 | 根据预测的 6G 典型业务场景及推算的性能指标得到了业务模型,结合业务模型和用户模型的特征参数,对典型应用场景下的关键性能指标进行了测算. | Besides,according to the prediction of the service oriented for 2030,we formulate the traffic models. In addition,the values of KPIs under different typical scenarios are calculated based on the parameters of the traffic models and the user models. |
57330 | 针对智能反射面( IRS) 辅助的边缘智能系统中模型参数汇聚的问题,提出一种基于数据重要性感知的资源分配算法.利用凸优化和分支定界等方法交替优化用户的发射功率、传输次数和智能反射面的相移矩阵. | In order to solve the problem of model aggregation in intelligent reflecting surface ( IRS) aided edge intelligent system,a data-importance-aware resource allocation algorithm is proposed by using con- vex optimization and branch-and-bound methods to alternately design the user's uplink power,transmis- sion time,and the phase shifts of IRS. |
57331 | 仿真结 果表明,所提算法能够基于本地数据的重要性差异有效汇聚分布式智能体的模型参数,并最大化加权和速率. | Simulation results show that the proposed algorithm can effectively aggregate the model parameters of the distributed agents based on the importance difference of local data, and can maximize the uplink weighted sum rate. |
57332 | 轨道角动量( OAM) 具有独特的模分复用( MDM) 方式,可以大大提高传输容量.为了提高系统的信道容量和 频谱利用率,提出了一种结合 OAM 和多输入多输出( MIMO) 技术的 OAM-MIMO 复用通信系统,可以在不增加带宽和天线发射功率的情况下提高信道容量和频谱利用率. | The proposal of orbital angular momentum( OAM) provides a feasible solution for the carrier re?quired by the next-generation mobile communication technology. Its unique modular division multiplexing( MDM) method greatly increases the transmission capacity. However,with the diversification of thenext-generation communication technology services,people have put forward higher requirements forbandwidth and spectrum utilization. In order to effectively improve the channel capacity and spectrum uti?lization of the system,an orbital angular momentum-multiple input multiple output ( OAM-MIMO) multi?plexing communication system combining OAM and multiple input multiple output( MIMO) technology isproposed. The OAM-MIMO system can improve channel capacity and spectrum utilization without in?creasing bandwidth and antenna transmit power. |
57333 | 采用巴特勒矩阵作为相移器,馈送信号给均匀圆形阵列天 线( UCA) ,使得每个 UCA 可以同时并且独立地生成携带多种不同 OAM 模态信号的载波,从而显著提高系统的信道容量. | The system uses the Butler matrix as a phase shifter tofeed the signal to a uniform circular array antenna( UCA) ,so that each UCA can simultaneously and in?dependently generate a carrier wave carrying a variety of different OAM modal signal,thereby significant?ly improving the channel capacity of the system. |
57334 | 实验结果表明,OAM-MIMO 复用通信系统的信道容量和频谱利用率在宏小区、微小区环境下得到了很大提高. | The experimental results show that the channel capacityand spectrum utilization rate of the OAM-MIMO communication system are greatly improved in the macrocell and micro cell environment. |
57335 | 针对第 6 代移动通信系统中多天线无人机通信下行链路传输系统,在有多个合法用户和单个窃听者的场景 以及已知窃听者统计信道状态信息的情况下,提出了 2 种安全波束成形方案: | Aming at multiple legitimate users and a single eavesdropper in the downlink transmission sys- tem of multi antenna unmanned aerial vehicle( UAV) communication in the sixth generation of mobile communications system network,two secure beamforming schemes are proposed on the basic of the eaves- dropper statistics channel state information is known. |
57336 | 一种是基于迫零算法的波束成形方案,在系统传输总功率受限条件下最大化系统可达安全速率,得到了波束成形权矢量和功率分配因子的闭合解; | One is based on the criterion of secure rate maximi- zation of the system under the condition of limited total transmit power. A zero forcing beamforming scheme is proposed,and the closed solutions of the weight vector and power allocation factor of beam- forming are obtained. |
57337 | 另 一种是基于增强信漏噪比算法的波束成形方案,采用一种分式规划和交替方向乘子法( ADMM) 相结合的迭代算法,实现波束成形权矢量和功率分配因子的设计. | The other is based on the criterion of maximizing the enhanced signal to noise ratio of the system under the condition of limited total transmit power. A fractional programming combined with alternative direction method of multipliers ( ADMM) is proposed to realize the design of beamforming weight vector and power allocation factor. |