In this paper, the evolution of Frame Relay technology is introduced first and the emphasis is placed on the functions that each vendor's FR NMS ( Network Management System) should provide. 本文首先介绍了帧中继网络技术的发展,着重介绍了各厂家帧中继网络网管系统应具备的功能。
Double relay stations group network in ultra short wave water level auto-survey and report system 超短波水情自动测报系统的双中继组网
To improve the performance of the relay protection and build actual wide-area protection system from the viewpoint of whole or district power network, a wide-area protection terminal device based on GPS ( Global Positioning System) is introduced. 为从整体或区域电网的角度提升继电保护系统的性能、构建实际的广域保护系统,介绍了一种基于全球定位系统(GPS)的广域保护终端装置。
The article introduces the experience in building the comprehensive government affairs information system on the supervision and management of national safety production; relay on internal network electric cooperation platform, the system helps to improve office work efficiency and push forward safety production informatization; 介绍了国家安全生产监管监督综合政务信息系统的建设经验:依托内网构造电子协作平台,提高办公效率,推进安全生产信息化;
Configuration of Relay Protection and Automatic Devices for Medium Voltage Double-Looped Network in Urban Rail Transit System 城轨交通中压双环网继电保护和自动装置配置
Substation relay protection and fault inform at ion subsystem is an important IED with special function in the whole substation network and system. 变电站继电保护故障信息处理子站系统是变电站通信网络与系统中一个具有特殊功能的智能装置。
Introduces a new scheme of microcomputer relay protection platform based on network, it refers to Ethernet technology used in substation automation system and the advanced embedded system technology. 针对以太网在变电站自动化系统中的应用,结合先进的嵌入式系统技术,提出了一种实用的新型网络式微机保护装置硬件平台的设计方案。
Using the relay function of a prepositive controller, the PC can communicates with intelligent nodes through principal and subordinate semiduplex wireless network, which constitute the distributed measurement and controlling system. 通过前置机的中继功能,PC机与各个智能节点组成一个主从式半双工无线通信网络,构成集散式测控系统。
Application of Relay Bind up Network of Non initiating System on Urban Demolishing by Blasting 非电导爆系统网络型接力式捆联网路在城市拆除爆破中的应用
Introduce the relay technology into traditional cellular network, it can expand the traditional cellular network coverage area, improve the system throughput. Relay technology has introduced into LTE-Advanced and WiMAX. 传统蜂窝网络中引入中继技术,可以扩大覆盖范围,提升小区的吞吐量,近年来随着移动通信技术的飞速发展,中继技术的作用越来越受到关注,WiMAX与LTE-Advanced都引入了中继技术。
Due to the broadcast nature of wireless channel transmissions, network coding is very suitable for wireless cooperative relay network, which can save system resource overhead and further improve system capacity and spectral efficiency. 由于无线信道传输的广播特性,网络编码非常适合应用于无线协作中继网络,可以节省系统资源开销,进一步提高系统容量和频谱效率。
In relay network, the role of the relay is forwarding the signal, and the way relay forward signal will have a significant impact on system performance. 在中继网络中,中继所起的作用就是对信号进行转发,中继对信号的转发方法将对系统性能产生很大影响,因此对中继转发矩阵进行优化是提高中继系统性能的一个重要手段。
The relay node uses DMF, calculates and forwards soft information, which combined with network coding can further improve system performance and reduce the processing delay and power consumption. 中继节点采用解调转发方式,将计算并转发软信息;与网络编码有机地结合,进一步提高了系统性能,降低中继节点的处理时延和功耗。
MIMO relay communication network is composition of the two technologies, so it will further enhance system performance. 两种技术结合起来组成的MIMO中继通信网络将使系统性能得到更大的提升。
Relay is introduced to the LTE-A system as a low power and low cost network device, which will bring higher system capacity and greater network coverage for the cell. 中继作为一种低功率、低成本的网络设备被引入到LTE-A系统中,将为小区带来更高的系统容量和更大的网络覆盖范围。
When implementing the relay technique into a wireless cellular system, the resultant relay cellular network can achieve dramatically higher system capacity and spectrum efficiency through multi-hop transmission and cooperative diversity. 蜂窝中继网络将中继传输技术应用于蜂窝系统中,通过多跳传输方式和合作分集提高节点间的传输性能,能够有效提高系统容量和频谱效率。
This dissertation gives the research on the adaptive resource allocation algorithms of the relay enhanced cellular network, a more complex multiuser OFDM system. 中继蜂窝网络作为一种更为复杂的多用户OFDM系统,本文对其自适应无线资源分配算法进行了研究。
In the two-way relay network, the relationship between system energy efficiency and throughput of ARQ transmission is investigated. 在双向中继网络中,研究协作ARQ传输的能量效率和吞吐量之间的关系。
The beamforming technique is utilized in cognitive relay network, which improves the performance of the communication system without increasing resources. 与此同时,在中继处采用波束成形技术可以在不增加资源的情况下有效地提高通信系统的性能。
In this paper, we study the connection between relay network structure and the system capacity, construct relay network QoS architecture to improve the resource utilization, and study the modeling, algorithm design and performance analysis for resource scheduling and admission control. 本文研究了中继网络结构特性与系统容量之间的联系,给出提高资源利用率的中继网络QoS架构,对其核心内容资源调度和准入控制问题的数学建模、算法设计和性能分析进行了全面研究。
As a new research field of changing network deployment and network architecture, wireless relay technology facilitates user equipments 'access to the network via intermediate nodes, which effectively reduces the wireless channel loss, expands the network coverage, reduces cell-edge interference and enhances the system performance. 无线中继技术作为改变网络部署和网络架构的崭新研究领域,使得用户设备可以通过中间接入点中继接入网络,能有效减小无线链路的空间损耗,扩大网络覆盖,降低小区边缘干扰,提升系统性能。
Recently, multi-hop relay network attracts the increasing research attention for the future networks, since the relay station ( RS) can be deployed flexibly to enhance the system throughput and extend cell coverage. 具有灵活部署特点的中继站(简称中继)能提高系统容量、拓展网络覆盖,这使得多跳中继网络越来越受到研究者们的关注。