专用信道

第六章对BTS下行专用信道基带处理模块的数据处理过程及影响基带处理模块实现的关键特征进行了详细分析；

Chapter 6 , through detailed analysis on the WCDMA BTS downlink DCH baseband process and the key elements in this course based on the relative protocols of 3GPP , a design object is presented for 16 downlink DCHs baseband process module .

在无线通信系统中确定专用信道的传输配置的方法和装置。

Method and apparatus for determining a transmission configuration for a dedicated channel in a wireless communication system .

WCDMA基站下行专用信道基带处理模块的一种三阶段前向流水式实现方案研究

The study of a three stages forward pipeline realization for WCDMA BTS downlink DCH baseband process module

其中RISC处理器可以利用专用信道，通过远程函数调用的模式高效实现对视频处理引擎的任务调度和DMA的配置启动。

The RISC processor can schedule the tasks on video engine and configure and kick off DMA transaction efficiently in a remote procedure call mode .

对于专用信道，同步原语用于指示上行和下行无线链路的同步状态。

For the dedicated channels , synchronisation primitives are used to indicate the synchronisation status of radio links , both in uplink and downlink .

在此基础上根据专用信道的技术特点、要实现的功能，介绍专用信道组网协议的设计。

And then design of dedicated-channel networking protocol is described on the above basis and per the major technical features and implemented functions of the dedicated channel .

WCDMA下行专用物理信道的FPGA实现

The Realization of Downlink Dedicated Physical Channel of WCDMA with FPGA

针对采用专用控制信道的DS-CDMA系统的上行链路，本文直接利用控制信道的导频符号进行SIR测量的闭环功率控制，并通过计算机仿真对链路的性能进行分析。

An SIR-based close loop power control algorithm is presented . The pilot symbols of control channel in DS-CDMA up-link system are used to measure the received SIR .

该文根据WCDMA专用传输信道传输格式的快速变化能力，结合基于类的QoS策略，针对上行信道提出一种负荷控制算法，用以支持全分组业务。

Based on this capability and class-based QoS policy , this paper proposed an algorithm for WCDMA uplink load control . The algorithm consists of iterative rate control and packet scheduling .

快速DCA可根据对专用业务信道或共享业务信道通信质量监测的结果，自适应地对资源单元进行调配和切换，以保证业务质量。

Fast DCA enables adaptive allocation and handover of resource units to guarantee QoS , according to the monitoring results of communication quality of both dedicated and shared traffic channels .

组网采用小区制频率复用技术，每个小区的基站用1个载频，小区半径为500m，小区基站有3个话音信道、1个专用信令信道，多址采用TDMA方式。

Networking adopted cell system of frequency reusing , base station had 1 carrier frequency , 3 traffic channels and 1 specific signaling channel , radius of a cell is 500 m , adopted TDMA as measure of multi address .

然而，专用传输信道上传输格式可以逐帧改变，基于传输格式的快速变化实际上构成一种无线资源控制能力。

However , transport format in dedicated channels can be changed frame by frame .

专用业务信道负责用户业务和信令的传送，它的稳定性和处理效率对整个基带处理系统至关重要。

It 's efficiency and stability is of great importance to the whole base band systems 's processing ability .

该算法通过对用户分组在不同传输速率专用传输信道上的信道切换来提高信道利用率和减小分组传输时延。

The algorithm conducts transport channel switching between different rates of DCHs for packet transmission to improve the channel utilization and decrease packet transmission delay .

专用传输网信道在线监控系统的软件实现

Software Implement of Private Transmission Network Online Monitoring and Control System

气象无线电专用频道和信道受国家保护，任何组织或者个人不得挤占和干扰。

Wireless frequencies and channels specified for meteorological use are protected by the State . No organizations or individuals may occupy or interfere with them .

该监控系统通过互联网实现子站与监控中心的连接，无需专用的远动信道，降低了系统造价，实现了各子系统之间的无缝连接。

The system , connected with substation and monitoring center by Internet , doesn t need special communication , reduced system costs and realized seamless connection between sub-systems .

目前的交通监视系统普遍采用专用的通信信道直接把前端视频信号传输至管理中心，然后由人工方式完成交通信息的收集、处理与分析。

Currently in the general traffic monitoring system , the special communication channel is used to transmit the monitoring video from the roadside to the management center . Then the traffic information is collected , processed and analyzed only by the man .