ID |
原文 |
译文 |
24025 |
在仿真平台上对 MLA-DRA 算法进行了性能分析,并且和其它算法进行了性能比较,实验结果表明,MLA-DRA 算法能有效利用系统资源以及提高系统传输速率。 |
In the simulation platform, the performance of MLA-DRA algorithm is analyzed, and is compared with other algorithms. Experimental results show that MLA-DRA algorithm can effectively utilize the system resources and improve the system transmission rate. |
24026 |
在 Femtocell 家庭基站(Femtocell Base Station, FBS)组成的异构网络中,为提升网络的频谱效率,FBS与 Macrocell 宏基站(Macrocell Base Station, MBS)一般要求是同频部署,然而同频部署会产生同信道干扰。 |
In order to improve the spectrum efficiency in the Femtocell home Base Station (FBS) heterogeneous network, FBS and Macrocell Base Station (MBS) are usually deployed with the same frequency. However, the same frequency deployment will inevitably lead to larger co-channel interference. |
24027 |
为了实现 FBS 的大规模部署,降低网络同信道干扰影响变得尤为重要。 |
In order to achieve the large-scale deployment of FBS, reducing the interference of the network with the channel is particularly important. |
24028 |
该文提出一种基于 Q-learning 的子信道分配方案,既保证大量部署的 FBS 不会对 MBS 带来过高的跨层干扰,同时也降低了 FBS 之间的同层干扰。 |
In this paper, a sub channel allocation scheme is propsed based on Q-learning. It can ensure that FBS will not bring high cross-layer interference of MBS, while it reduces the same layer interference between two FBS. |
24029 |
同时针对 FBS稀疏部署和密集部署的场景,分别进行了算法的仿真验证,其仿真结果表明该算法降低了干扰,验证了理论的正确性。 |
The simulation of the algorithm of FBS sparse deployment and dense deployment situation are performed, respectively. Simulation results show that this algorithm reduces the same layer interference and verifies the correctness of the theory. |
24030 |
全双工技术可以使频谱利用率翻倍,是 5G 系统的关键技术之一。 |
The full-duplex transmission is one of the key technologies in the 5G communication systems, due to the ability of improving spectrum efficiency. |
24031 |
采用直接变换结构的全双工系统中残余自干扰(Residual Self-Interference, RSI)和同相/正交(In-phase/Quadrature, I/Q)不平衡是限制系统性能的两大主要因素。 |
However, the performance of the full-duplex system, with the zero intermediate frequency structure, is badly impacted by the Residual Self-Interference (RSI) and In-phase/ Quadrature (I/Q) imbalance. |
24032 |
该文针对存在 I/Q 不平衡的 OFDM 全双工双向中继系统,建立了译码转发中继模式下的全双工系统信号模型,分析了瑞利衰落信道下系统的中断性能,获得了系统中断概率的闭式表达式。 |
In this paper, the OFDM full-duplex bidirectional relaying system under the RSI and I/Q Imbalance (IQI) is investigated, in a cooperative scenario where the Decode-and-Forward (DF) protocol is considered. The outage performance of the system and its closed-form expressions are derived under Rayleigh fading channels, and the influences of the IQI and RSI on system performances are analyzed, respectively. |
24033 |
仿真结果不仅验证了理论分析的正确性,还得到结论:随着 I/Q 不平衡程度和残余自干扰强度的降低,系统中断性能将得到改善; |
The simulation results verify the analysis, and the conclusions are given as follows. First, the outage performance improves as decreasing of the IQI and RSI. |
24034 |
只有沿着最速下降路线降低 I/Q 不平衡或中继节点 RSI,才能实现最优的性能提升; |
Second, the optimal improvement of outage performance is achieved by reducing the RSI and I/Q imbalance, according the route with the steepest descent method. |