The synchronization techniques for burst packet transmission mode OFDM systems is studied, including timing, frequency offset estimation and channel estimation.
本文主要研究适用于突发OFDM传输系统的同步技术,包括定时、频偏估计和信道估计。
The CAP schedules packet transmission based on the polling mechanism and dynamic TDMA, and a mini-slot is used to keep connectivity when an MT is idle, thus, the access delay is reduced.
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。
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.
A new concept of non-transmission period, defined in the service period, enables the server to stop the packet transmission if the transmission channel is dirty.
提出了一个新的定义在服务期间的称作无传输期的概念,它使服务器在传输信道恶劣时停止数据包传输。
Simulation results show that the proposed protocol can obtain higher throughput performance and lower packet transmission delays under the circumstances of underwater acoustic.
仿真结果表明该协议能在水声环境下取得优良的吞吐性能和较低的分组传输时延。
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。
It allows users to send and receive data under end to end packet transmission mode.
从而用户能够在端到端分组传送模式下发送和接收数据。
To reduce the computation time of network simulation, a dynamic continuous computing method for the simulation of packet transmission was proposed.