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ofdm
- Orthogonal frequency division multiplexing (OFDM) has been proved as the dominant modulation technique for 4G communication. The use of relaying improves the BER performance of OFDM system. In this paper the BER performance of AF relaying with averag
97a09089db2de8d5bac08690642567a0
- This paper describes the opportunity of implementing a model of a Mho type distance relay with a three zones by using MATLAB/SIMULINK package. SimPowerSystem toolbox was used for detailed modeling of distance relay, transmission line and fault simula
IEC60870-5-104
- 本标准适用于具有串行比特数据编码传输的远动设备和系统，用以对地理广域过程的监视和控制.制定远动配套标准的目的是使兼容的远动设备之间达到互操作. 本配套标准利用了国际标准IEC 60870-5的系列文件. 本标准规定了IEC 60870-5-101的应用层与TCP/IP提供的传输功能的结合. 在TCP/IP框架内，可以运用不同的网络类型，包括X.25，FR(帧中继)，ATM(异步传输模式)和ISDN(综合服务数据网络). 根据相同的定义，不同的ASDU，包括IEC 60870-5全部配套标准(例如
1011.1352
- In this paper, we propose a distributed Alamouti space-time code (DASTC) for two-way relay networks employing a single amplify-and-forward (AF) relay. We first derive closedform expressions for the approximated average sum-rate of the propose
1687-1499-2014-112
- In this paper, an Alamouti-coded decode-And-forward protocol with optimum relay selection for three-user one destination cooperative communications is investigated. Particularly, we design the new protocol that allows the source node retransmitti
20130704_085800
- In this letter, we consider a half-duplex amplify-andforward two-way relaying network consisting of two sources with each having a single antenna and one relay having two antennas. For such a system, a distributed orthogonal space-time block code (
ganshouqi
- 干手器的设计与仿真。由红外感应模块、单片机模块和数码管显示模块三部分组成。本设计将红外感应信号引入51单片机，通过单片机控制从而触发继电器，启动烘手器。本报告详细阐述了此项目的基本设计思路和原理，并相应附有必要的原理图和模块电路。-Hand Design and Simulation. By the infrared sensor module, the microcontroller module and digital display module composed of three par
07047372_electronics_letters
- Simple outage probability bound for twoway relay networks with joint antenna and relay selection over Nakagami-m fading channels
KOP996X-DC12V-MCU
- DC12V DC18V MCU，自带5V 300mA 输出，驱动继电器方案可节省 7805,节省2003A-DC12V DC18V MCU, comes with 5V 300mA output, the driver relay scheme can save 7805, save 2003A