帧传输

SPCP协议的设计基于帧传输的思想，采用发送/应答/重连/失败的方式进行。

The notion underling SPCP design is data frame transfer in sending / acknowledging / reconnecting / failure way .

基于FPGA的数据帧传输接口设计

Design for data frame transmission interface based on FPGA

一种基于GPRS的自定义数据帧传输系统的设计

The design of a kind of data frame transmission system based on GPRS

当系统有资源时，恢复用正常的子帧传输，保证QoS。

When there is free resources again , the regular transmission is restored immediately to guarantee the QoS .

宽带IP网络的发展趋势是端到端的以太网，采用波长路由器和DWDM系统构成智能光网核心网（采用以太网帧传输），由设置在边缘的以太网路由器构成宽带城域网，接入网采用以太网结构。

The development trend for broad-band IP network is end - to - end Ethernet . Wavelength router and DWDM system are adopted to form the core network of optical intelligent network ( transmitted in Ethernet frames ) . Edge-located Ethernet routers form the broad-band WAN .

研究集中在物理层和MAC层，涉及到物理层的结构、MAC层结构、NODEB控制的调度、混合自动请求重传（HARQ）、短帧传输、软切换、E-TFC的选择等。

The research has focused on the physical layer and MAC layer , relating to the physical layer structure , the MAC-layer structure , Node B fast scheduling , Hybrid automatic repeat request ( HARQ ), transmission of the short frame , the soft handover , E-TFC selection .

测试结果表明：改进后的无线传输功率增加了20～30dB，数据帧传输的正确率大幅度提高，说明改进方法是有效的。

The test results show that wireless transmission power is increased by 20 ~ 30dB , and the receiving probabilities of successful data frame transmission are improved greatly .

高速红外无线通信帧传输控制优化

Optimization for Frames Transmission Control of High Speed Infrared Communication

该规约采用变长帧传输数据（最长可达255字节），提高了通信系统的速率，且适用于点对点、多点共线及一点对多点的通信方式。

Long variable frames ( as long as 255 bytes ) are adopted to improve the rate of communication .

因此，对于该两种中继选择方案而言，数据帧传输正确所需的总代价有一个转折点。

Moreover , there exists a turning point between the total cost of data transmission and the relay selection scheme .

仿真结果表明在中长帧传输过程中，混沌交织器的性能不亚于以上两种交织器。

The results show that performances of chaotic interleavers are better than or equivalent those of random interleavers and3gpp standered interleavers .

三款摄像机都通过网络每秒30帧传输高质量视频，都使用以太网或者24伏电压。

All three can deliver up to30 frames per second of high-quality video across the network and can be powered by Ethernet or24 VAC .

车联网应用数据传输的关键是基于无连接的数据帧传输，速率自适应算法的核心是信道估计与速率选择。

Connectionless data transmission is the key of data communication application , channel estimation and rate selection is also the key of rate adaptive algorithm .

该拓扑结构采用了新的数据帧传输格式和线形置放策略，从而可减少网络负载量和冗余信息的传输。

This is achieved by applying a new data frame and a linear placement strategy to reduce both the network load and the redundant information transmission .

提出了一种动态时分CAN的设计思想，理论上给出了不同属性数据帧传输的最大时延；

A new design mode based on dynamic time division multiplexing was introduced , and in theory the maximal delay of various data frame was deduced .

仿真实验结果显示，该方案在短帧传输的条件下有着最佳的综合性能。

Simulation results show that the error-correcting performance of Turbo codes with it is superior to those obtained with other encoders on the whole when the short frame is transmitted .

经测试，引入该机制后视频帧传输延迟较小且平稳，平均延迟较原来减小33.8%，因而提高了系统实时性，为远程视频传输系统提供了良好支持。

Tests show that the algorithm smoothes the delay of video frames and reduces the average delay by 33.8 % , thus improving the real-time performance to support real-time video transmission systems .

该方法对语音进行压缩处理，连续存放，收集无声期用于传输数据，与传统的语音/数据同帧传输方法相比，能明显提高信道资源利用率。

This method can be used to compress voice and store it continuously , and to save the silence field to transmit data . Compared with traditional method of voice / data transmission in a frame , this one increases the utilization ratio of the channel .

Turbo码在3GPP短帧数据传输中的性能分析

Performance analysis of Turbo code in short-frame data services of 3GPP

在服务器端探测数据流的丢包率，并对其做平滑处理，实现基于丢包率的选帧自适应传输策略，并采取丢特定帧的方法避免了因P帧丢失而产生的马赛克现象。

The frame dropping adaptive scheme is carried out according to the packet loss percent , which is detected and smoothed on the server , and an approach is proposed to avoid the mosaic brought by P frame dropping .

仿真结果表明，该机制能有效改善降低丢包率（packetlossrate，PLR），实时媒体帧平均传输时延和帧时延抖动等指标和具备传感器节点间的公平特征。

Simulation results demonstrate that lower Packet Loss Rate ( PLR ), and lower frame delay and jitter with good fairness among sensor nodes can be achieved by our proposed mechanism .

分析了空间多点采集设备与计算机多任务操作系统之间数据传输的特点，设计了一种基于USB接口的双帧数据传输方法。

This paper introduces a method of the data communication between computer and the motion capture device based on line-array CCD , which adopts the double frames data communication through USB interface .

本文基于8状态Turbo码输出码字的距离谱分布特性，对短帧数据传输中Turbo码的误码性能联合界进行了估计，并进行了验证。

Based on the distance spectrum of turbo codes , this paper presented the corresponding BER performance union bounds in short-frame data transmission , which was proved by simulation results .

以基于PN码的分帧交替传输方式为基础，进行MF-TDMA/CWTDM系统研究，包括该通信系统整体方案设计、关键技术研究及系统链路分析。

Using sub-frame alternation method based on PN code , some researches on MF-TDMA / CWTDM system are completed , including system scheme design , key techniques and system link analysis .

在不同的MCS方式下，每个子帧封装传输的数据包数不同，因此排队系统具有多种服务速率，并根据信道状态随机变化。

In different MCS , each frame can encapsulation different data number , so the queuing system has multiple service rate and varies according to the channel state .

无线网络数据帧新型传输策略及仿真

A New Method of Data Frame Transmission in Wireless Network and Simulation

为了确保数据帧的传输有稳定的环境，论文重点分析了可变衰减器和三环偏振控制器的稳定性。

In order to ensure the frames are transmitted in a stable environment , the stabilities of the variable attenuator and tricyclic polarization controller are analyzed specially .

其设计包括受控和非受控端口状态、收发数据链路层帧和传输层数据包、应用加密算法、状态机的实现与融合等。

The design includes the states of port and controlled port , the frame of link layer received and sent data , data package of transport layer , the application of encryption algorithm , realization and amalgamation of state machines etc.

文中对自愈分组环技术传输队列的两种实现方案&单队列实现和双队列实现进行数学建模，运用排队论中的方法分析两种实现方案数据帧的传输时延，并将它们进行对比。

In this paper , the mathematical models of the two implementations - single queue and double queue of resilient packet ring are given . It analyzes the packet transfer delay of them using queue theory and compares the results .

并分别对基于底层MAC帧的数据传输和基于TCP／IP协议的网络通信的以太网接口的XCOMdriver层设计进行了较为详细的论述；

And it particularly described the designs of XCOM driver story of the Ethernet interface on the basis of MAC 's frame data transmission of ground floor and the network communication on the basis of TCP / IP agreement one .