The cellular digital packet data (CDPD) is a system which borrows idle radio channels from the existing cellular mobile telephone networks for packet data transmission.
蜂窝数字分组数据(CDPD)是利用现有的模拟蜂窝电话网来传输数据的一种新技术。
For the networked control systems with multi-packet transmission and uncertain short time delay, system modeling and control problem are studied in the case of uncertain packet transmission sequence.
针对短时延的多包传输网络控制系统，研究了数据包传输次序不确定情况下系统的建模及控制问题。
Considering the constraints of network bandwidth, multiple-packet transmission was adopted here in the networked control system.
针对网络带宽的限制，在网络控制系统中需要采用多包传输。
The model of NCS with multiple-packet transmission is presented considering system noise and network-induced delay longer than one sampling period.
在考虑系统噪声和网络诱导延时大于一个采样周期的情况下，给出了多包传输的网络控制系统模型。
In a data communication system capable of variable rate transmission, high rate packet data transmission improves utilization of the forward link and decreases the transmission delay.
在一种可以用可变速率传输的数据通信系统中，高速率分组数据传输改进了正向链路的应用，并降低了传输延迟。
Secondly, the model of NCS with single-packet and multiple-packet transmission under considering system noise and network-induced delay longer than one sampling are proposed.
其次，在考虑系统噪声和延时可以大于一个采样周期的情况下，提出了单包传输和多包传输的网络控制系统的模型。
We set up a system for packet transmission and transmission control, and propose a layered retransmission error control mechanism based on immediate feedback.
在立即反馈的基础上提出了一种基于分层重传的差错控制机制。
Exponential stability and controller design problems for networked control system (NCS) with time-varying delay and multiple-packet transmission were studied.
对时变时延多包传输网络控制系统的指数稳定性和控制器设计问题进行研究。
With regards to the characteristics of uncertain transmission delay and packet dropout of networked control system (NCS), a distributed model is proposed in this paper.
针对网络化控制系统(ncs)具有不确定性的传输迟延与数据丢包特性，设计了一个分布式的网络化控制系统模型。
A novel structure of controller and special transmission rule are designed for reducing the number of data packet exchanges and make the system stable.
设计了一个能使系统稳定的新型结构的控制器和一个特殊的网络传输规则。
Due to the bandwidth constraint and the unreliable transmission of network, data-packet dropout exists inevitably in networked control system.
由于网络带宽的限制以及网络的不可靠传输等特点，不可避免的使系统中存在数据包丢失的现象。
By using the user plane transmission channel establishing method, the processing of a user plane data packet can be simplified, and the processing load of the system can be reduced.
使用本发明能简化用户面数据包的处理，减轻系统的处理负担。
Then it focuses on the implementation of service control and adaptive control of media stream under the NGN system with regard to the service and packet transmission related features of NGN.
接下来分别就NGN的业务相关的特点和传送相关特点研究ngn架构下的业务控制与媒体流自适应控制的实现。
Then it focuses on the implementation of service control and adaptive control of media stream under the NGN system with regard to the service and packet transmission related features of NGN.
接下来分别就NGN的业务相关的特点和传送相关特点研究ngn架构下的业务控制与媒体流自适应控制的实现。
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