ID |
原文 |
译文 |
51627 |
研究了仰角功率谱中不同角度扩展对均匀平面阵列衰落相关性和信道容量的影响,以及不同信噪比和天线阵元数对频谱效率的影响。 |
The effects of different angle spread in elevation power spectrum on the fading correlation and channel capacity of uniform planar arrays, and the effects of different signal-to-noise ratios and antenna array elements on spectral efficiency are studied. |
51628 |
分析结果与传统的均匀线性阵列进行比较表明,在毫米波场景下,均匀平面阵列比均匀线性阵列更适用于大规模MIMO系统, |
Compared with the traditional uniform linear array, the analysis results show that the uniform planar array is more suitable for the massive MIMO system than the uniform linear array in the millimeter wave scene, |
51629 |
这使未来的移动网络工作在不同频段和蜂窝小区成为可能。 |
which makes it possible for the future mobile network to work in different frequency bands and cells. |
51630 |
现有多输入多输出(MIMO)太赫兹通信网络双信道介质访问控制(MAC)协议工作在WiFi信道和太赫兹信道。 |
The existing Multiple Input Multiple Output(MIMO) terahertz communication network dual-channel Medium Access Control(MAC) protocol works on the WiFi channel and the terahertz channel. |
51631 |
多对节点同时在太赫兹信道传输数据存在波束重叠干扰问题,这会使消息传输的成功率和网络吞吐量下降。 |
If multiple pairs of nodes simultaneously transmit data in the terahertz channel, the problem of beam overlap interference occurs, which will reduce the message transmission success rate and network throughput. |
51632 |
另外,在WiFi信道进行控制消息交互时存在的控制开销冗余问题会导致信道利用率低。 |
In addition, there is also a control overhead redundancy problem when the WiFi channel is exchanged for control messages, resulting in channel utilization low. |
51633 |
基于这两个问题,文章提出了一种避免波束干扰的高效太赫兹双信道MAC协议(E-ABIMAC)。 |
Considering these two issues, the article proposes an Efficient Terahertz Dual-channel MAC Protocol to Avoid Beam Interference(E-ABIMAC). |
51634 |
E-ABIMAC分为波束干扰预判机制、中继辅助机制和基于节点信息省略允许发送帧/确认帧(CTS/ACK)机制。 |
E-ABIMAC is divided into beam interference pre-judgment mechanism, relay assistance mechanism and node information omission based Clear to Send frame/Acknowledgement frame(CTS/ACK) mechanism. |
51635 |
仿真结果表明,与现有的MIMO太赫兹通信网络双信道MAC协议相比,所提协议的网络吞吐量提升了10. 1%, |
The simulation results show that compared with the existing dual-channel MAC protocol for MIMO terahertz communication networks, the network throughput of the proposed protocol is increased by 10. 1%, |
51636 |
信道利用率提升了11. 7%, |
the channel utilization rate is increased by 11. 7%, |