carrier

共 106 篇文章
carrier 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 106 篇文章,持续更新中。

qorvo-carrier-aggregation-fundamentals

Mobile operators must continuously pursue cost‐<br /> effective and efficient solutions to meet the high data<br /> demand requirements of their subscribers. Limited spectrum<br /> allocations and non

OFDM+Wireless+LANS

Before delving into the details of orthogonal frequency division multiplexing (OFDM), relevant<br /> background material must be presented first. The purpose of this chapter is to provide the necessar

Multi-Carrier+Spread+Spectrum+2007

Since the principle of multi-carrier code division multiple access (MC-CDMA) was<br /> simultaneously proposed by Khaled Fazel et al. and Nathan Yee et al. at the IEEE<br /> International Symposium on

MULTI-CARRIER DIGITAL COMMUNICATIONS

Multi-carrier modulation‚ Orthogonal Frequency Division Multi-<br /> plexing (OFDM) particularly‚ has been successfully applied to<br /> a wide variety of digital communications applications over the

LTE-Advanced+Relay+Technology

LTE-Advanced becomes a truly global standard for 4G cellular communications.<br /> Relay, as one of the key technologies of LTE-Advanced, can significantly extend<br /> the coverage, and improve the s

Bandwidth-Efficient+Digital+Modulation

Traditional modulation methods adopted by space agencies for transmit-<br /> ting telecommand and telemetry data have incorporated subcarriers as a sim-<br /> ple means of separating different data ty

OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation

OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation,多载波调制)的一种。其主要思想是,将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开,这样可以减少子信道之间的相互干扰(ICI)。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以

a carrier sense multiple access with collision avoidance (CSMA/CA) based MAC protocol, called nano

a carrier sense multiple access with collision avoidance (CSMA/CA) based MAC protocol, called nanoMAC, suitable for low bit-rate, low-power wireless devices with high efficiency

In 揚erformance of multi-carrier DS CDMA Systems?we apply a multi-carrier signaling technique to a di

In 揚erformance of multi-carrier DS CDMA Systems?we apply a multi-carrier signaling technique to a direct-sequence CDMA system, where a data sequence multiplied by a spreading sequence modulates multip

Transitition from single carrier to multi carrier equalization

Transitition from single carrier to multi carrier equalization

Carrier Recovery Using a Second Order Costas Loop

Carrier Recovery Using a Second Order Costas Loop

Single Carrier FDMA White Paper

Single Carrier FDMA White Paper

电力线载波Power Line Carrier - PLC通信是利用高压电力线在电力载波领域

电力线载波Power Line Carrier - PLC通信是利用高压电力线在电力载波领域

Single Carrier FDMA又称SC-FDMA或者DFT-Spread-OFDM是3GPP LTE最新提出的适用于上行传输的一种新方案。相对于OFDMA(主要用于下行)

Single Carrier FDMA又称SC-FDMA或者DFT-Spread-OFDM是3GPP LTE最新提出的适用于上行传输的一种新方案。相对于OFDMA(主要用于下行),其最大的优势在于低峰值平均功率比(即PAPR)。本程序包括OFDMA,SC-FDE(单载波频域均衡)以及SC-FDMA程序,接收端采用经典的ZF和MMSE检测算法,程序短小精悍,相当经典,方便该领域的人学习与研究。

PC机与智能仪器串口通信 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下

PC机与智能仪器串口通信 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下,在事件发生时需要得到通知,例如,在 Carrier Detect (CD) 或 Request To Send (RTS) 线上一个字符到达或一个变化发生时。在这些情况下,可以利用 MSComm 控件的 OnComm 事件捕获并处理这些通讯事件。

PC机与智能仪器串口通信 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下

PC机与智能仪器串口通信 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下,在事件发生时需要得到通知,例如,在 Carrier Detect (CD) 或 Request To Send (RTS) 线上一个字符到达或一个变化发生时。在这些情况下,可以利用 MSComm 控件的 OnComm 事件捕获并处理这些通讯事件。

PC机与智能仪器串口通信 MSComm 控件 MSComm 控件通过串行端口传输和接收数据

PC机与智能仪器串口通信 MSComm 控件 MSComm 控件通过串行端口传输和接收数据,为应用程序提供串行通讯功能。 语法 MSComm 说明 MSComm 控件提供下列两种处理通讯的方式: 事件驱动通讯是处理串行端口交互作用的一种非常有效的方法。在许多情况下,在事件发生时需要得到通知,例如,在 Carrier Detect (CD) 或 Re

This a very simple baseband simulator for SC-FDMA system. This simulator is part of the upcoming boo

This a very simple baseband simulator for SC-FDMA system. This simulator is part of the upcoming book “Single Carrier FDMA: A New Air Interface for Long Term Evolution” (Wiley, Nov. 2008) which I co-a

A New OFDM Synchronization Symbol for Carrier Frequency Offset Estimation.一个新的OFDM载波符号同步论文。

A New OFDM Synchronization Symbol for Carrier Frequency Offset Estimation.一个新的OFDM载波符号同步论文。

This exercise is aimed at exploring how rate control and adaptation of carrier sense threshold can a

This exercise is aimed at exploring how rate control and adaptation of carrier sense threshold can affect spatial reuse (and hence aggregate throughput) in a multi-hop network.