用户端设备

LMDS系统包括基站系统、用户端设备和网络管理系统，可以提供多种业务。

The LMDS system comprises the base station system , CPE . And NMS , which can provide multiple services .

ADSL是一种比较流行的宽带接入方式，ADSLModem是ADSL系统中的用户端设备。

ADSL is one kind of fashion wide band internet interface style . ADSL Modem is the Customer Premise Equipment of the ADSL system .

CABLEModem就是HFC宽带接入网的用户端设备。

Cable Modem is the terminal device of HFC broadband access network .

的问题。系统主要有三部分组成，空间星座部分、地面监控站和用户端设备（主要有车载GPS导航仪和装有GPS芯片的手机两种）三部分。

The system is made up of three parts mainly , including space constellation ,, ground control station and user end equipment .

所设计的GPS信号模拟器可以为GPS用户端设备的参数测量、软硬件调试、性能测试和评估等提供一个逼真的高动态信号环境。

The simulator designed can provide a realistic high-dynamic signal environment for parameters measurement , software and hardware debug , performance test and evaluation of GPS UE .

DSL用户端设备远程管理

Remote management of DSL user end equipment

通过运行在网管终端上的网络管理代理（SNMPAgent）和电力线通信局端设备在MAC层进行信息交互，终端实现了对电力线通信局端设备和用户端设备的管理。

The terminal accomplishs to manage the BPL network equipments by means of the communication between its SNMP AGENT and bridge terminal on MAC layer .

CABLEModem是HFC宽带接入网络的用户端设备，一般采用串行终端、Telnet和SNMP简单网络管理协议方式来对其进行设备管理的。

Cable Modem is the terminal device of HFC broadband access network , commonly uses serial terminal , telnet or SNMP methods to manage the equipment .

为了避免多个ONU发送冲突，实现用户端设备的时延补偿和自动加入，本文采用绝对时标来补偿不同光网络单元（ONU）往返时间的差异，完成其往返时间的计算和动态测距。

To avoid several ONUs transmit collision and realize the ONU 's plug-and-play function , absolute timestamp was used in the round trip delay compensation design , thus calculation of the round trip time ( RTT ) and ranging process can be easily done on timestamp bases .

用户端设备扫描下行信道，之后于基站建立同步。

Scan for downlink channel and establish synchronization with BS .

批准用户端设备接入，执行密匙交换。

Authorize SS and perform key exchange .

接入网中用户端设备分散且数量庞大，致使发生高能源消耗和低资源利用率。

In the access network , there are a huge number of client equipment which dispersion everywhere and consume high energy consumption with low utilization .

CABLEModem（线缆调制解调器）是一种在有线电视网络上进行计算机数据传输的调制解调器，将用户端的上网设备通过有线电视网络接入Internet。

Cable modem is a modem that is used for computer data transmission via cable television system , linking the user-premise equipment into Internet through cable TV network .

用户端高速接入网设备ADSL的DSP解决方案

DSP solutions to consumer high speed connective equipment ADSL

我们选用目前最普遍的PC系统作为前端影像撷取及应用平台，因此对于用户端在影像撷取设备选用上或是车道资讯应用上有非常大的弹性。

We choose the most common PC system to be a front platform for image processing and applications , so it is very flexile for various applications .

可根据用户需要进行建设及网络运行、维护费用低等优点。LMDS网络由骨干网络、网络运行中心、服务区中的基站系统和服务区中的用户端设备组成。

LMDS 's advantages include high-capacity , multi-services , fast engineering completion , fast recoupment , construction on user 's requirements and low network operation and maintenance expense .