ID |
原文 |
译文 |
57118 |
基于双系统集成场景,对几何精度因子建模. |
Based on the dual-system integration scenario,the geometric dilution of precision is modeled. |
57119 |
针对传统算法实时性低的问题,提出了一种基于卫星几何分布和差分进化的选星算法. |
Due to the low real-time performance of the traditional algorithm,a satellite selection algorithm based on the geometric distribution of satellites and differential evolution is proposed. |
57120 |
根据仰角分布和系统种类,确定卫星组合几何分布; |
According to the distribution of the elevation angle and the system type,the distribution of the satellite combination is determined. |
57121 |
通过设置不同的适应度阈值和根据剩余卫星数目,自适应改变种群大小,实现了快速选星. |
By setting different fitness thresholds and adaptively changing and the population size according to the num?ber of remaining satellites,the rapid satellite selection is realized. |
57122 |
仿真结果表明,所提算法与传统算法相比,差值范围为0~0. 25,单时刻百次选星平均耗时为传统算法的8.09%,该算法可应用于可见卫星数目增加的双模导航场景中. |
Simulations show that,compared with the traditional algorithms,the proposed algorithm has a difference range from 0 to 0. 25. And the average time to select a hundred times at a single time is 8. 09% of the traditional algorithm; Moreover,this algo?rithm can be applied to dual-mode navigation scenarios where the number of visible satellites increases |
57123 |
增强移动宽带(e MBB)与超可靠低时延通信(URLLC)业务的共存部署是第5代移动通信系统演进中的一项重要内容. |
The coexistence mechanism between enhanced mobile broadband( eMBB) and ultra reliability low latency communication( URLLC) is an important problem in the evolution of the fifth generation of mobile communications system. |
57124 |
现有的下行复用机制包括资源预留和穿刺抢占2种方法,两者的特点和性能不同. |
Existing downlink multiplexing mechanisms include resource reservation and puncture preemption with different characteristics and performance. |
57125 |
为了综合2种机制的优点,实现系统整体性能的提升,提出了一种基于模糊逻辑的复用机制选择算法,能够依据URLLC业务的特征,在资源预留和穿刺抢占2种机制中进行择优选择. |
A fuzzy logic based multiplexing mechanism selection algorithm is proposed to make optimal selections between resource reservation andpuncture preemption according to the characteristics of URLLC services. The algorithm improves the sys?tem performance by combining the advantages of the two mechanisms. |
57126 |
仿真结果表明,引入择优选择算法后,URLLC业务的队列时延降低了近50%,与此同时,与URLLC业务复用导致的e MBB业务吞吐量的降低不超过4%. |
Simulations show that the queueing delay of URLLC services is reduced by nearly 50% after the optimal selection. At the same time,the reduction in throughput of eMBB services caused by URLLC services is less than 4% . |
57127 |
无线通信网络中现有功率控制通常采用基于时间的反馈机制,存在效率低和反馈信道资源浪费的问题,对此,将功率控制算法进行控制论建模,利用控制理论方法,引入事件触发机制以取代基于时间的反馈机制,从而降低功率控制反馈的执行次数,继而减少反馈信道资源的使用. |
The existing power controls in wireless networks usually uses time-based feedback mechanism that has the problems of low efficiency and waste of feedback channel resources. The power control is modeled by control-theoretic methods,and the event-triggered mechanism is introduced so as to reduce the execution times of power control feedback and thus reduce the use of feedback-channel resources. |