宽带码分多址

作为3G的候选方案之一，通用移动通信系统（UMTS）采用宽带码分多址作为其无线传输技术。

As a family member of 3G , UMTS adopts WCDMA as its radio transmission technology .

用户需求对成熟的宽带码分多址系统的应用提出了更高要求，本文就研究了宽带码分多址系统中一种高抗干扰、抗毁性无线资源管理算法。

The users claim for comprehensive applications in WCDMA systems , so we investigate a high anti-interference , anti-damage RRM algorithm in WCDMA systems .

文章阐述了塔顶放大器的工作原理以及在宽带码分多址（WCDMA）系统中的作用和应用情况。

The paper introduces the element of tower mounted amplifier , analyzes the function and application of it for WCDMA system .

WCDMA是宽带码分多址技术的发展方案之一，其服务质量保证是多媒体业务传输的关键问题。

WCDMA is one of the developing CDMA , which Qos provisioning is the key problem to support multimedia services transmission .

WCDMA（宽带码分多址）系统是第三代移动通信系统的实现方案之一。

WCDMA ( Wide-band code division multiple access ) system is one of schemes to realize the third generation mobile communication system .

功率控制是WCDMA（宽带码分多址）系统中重要的无线资源管理技术之一。

Power control is one of the most important radio resource management technologies in WCDMA ( wideband code division multiple access ) system .

宽带码分多址（WCDMA）作为第三代移动通信技术的首选技术已被许多国家和地区所接受和支持。

As the strongest candidate for the air interface technology of third-generation mobile communications , WCDMA has been accepted and supported by many countries and regions .

介绍了移动IP技术原理，非同质网络间数据传输控制的特点，移动通信空中接口宽带码分多址及无线局域网的技术特性和发展，并分析了当前在这些领域存在的问题。

The paper introduced theory of mobile IP , Characteristics of control of data transporting between isomerous networks , technology and development of WCDMA and WLAN , and analyzed the existing problems in all of these area .

总而言之，TDCS是一种具有频谱自适应能力的宽带码分多址系统。

In a word , TDCS is a spectrum agile and broadband Code Division Multiple Access ( CDMA ) technology .

提出了具有话音/数据混合业务的宽带码分多址（WCDMA）蜂窝无线系统中的一种呼叫允许控制策略，其基本思想是，尽量降低切换呼叫的切换失败概率，保证用户的服务质量（QoS）要求。

This paper proposes a call admission control policy for wideband code division multiple access ( WCDMA ) system . Its idea is to reduce handoff failure probability and guarantee user 's QoS requirements .

文章主要讨论了宽带码分多址（WCDMA）网络中无线小区随机接入信道（RACH）的数学建模方法及性能分析。

In this paper , we mainly discuss the mathematical modeling and performances of the Random Access Channel ( RACH ) of the wireless cells in WCDMA networks .

在这两种技术之间，这四家公司拥有W-CDMA技术的大部分核心知识产权（宽带码分多址）。

Between them , the four companies own the majority of the essential intellectual property rights relating to W-CDMA ( wideband code division multiple access ) technology .

一种提高宽带码分多址接入系统小区容量的有效方案

An Efficient Scheme on Improving the Cell Capacity of WCDMA System

宽带码分多址系统无线资源管理的最优实现

The optimal implementation of radio resource management in WCDMA system

多媒体宽带码分多址系统基于业务的非线性功率控制

Traffic-Based Nonlinear Power Control in Multimedia Wideband Code Division Multiple Access Systems

宽带码分多址系统的一种局间负荷平衡方案

Method for achieving load balance between exchanges of WCDMA system

宽带码分多址移动通信系统的系统级性能仿真

The System Level Simulation of Wideband CDMA Mobile Communication System

宽带码分多址系统下行链路软切换技术的研究

Research on Soft Handover Technology of Downlink WCDMA System

应用回归算法改进宽带码分多址系统中的信道估计

Improvement of Channel Estimation Using Regression Algorithm for Wideband Code Division Multiple Access

宽带码分多址系统中正交码的分配策略研究

Study on Dynamic Orthogonal Codes Assignment in Wideband Code Division Multiple Access Communication Systems

宽带码分多址技术新发展

New Development of Wideband CDMA Technology Broadband networks

宽带码分多址系统中的业务速率、服务质量与系统容量

Information Rate , Service Quality and System Capacity of Wideband Code Division Multiple Access Systems

基于上行信道盲估计的宽带码分多址多用户检测器

Multiuser Detection for Wideband Code Division Multiple Access Systems Based on Blind Uplink Channel Estimation

宽带码分多址系统预测线性二次型功率控制算法

Predictive Linear Quadratic Power Control Algorithm for Wide-Band Code Division Multiple Access Cellular Communication Systems

宽带码分多址系统中的并行干扰抑制技术

Parallel Interference Cancellation Algorithm in W-CDMA System

仿真结果表明，在宽带码分多址系统中应用该方法可以获得0.4dB的增益。

Simulation results showed that this method offers up to 0.4 dB of gain in a WCDMA system .

本文还建立了一个下行链路仿真模型，对宽带码分多址在不同无线传播环境和移动台运动速率情况下的系统性能进行了仿真。

With the downlink simulation model constructed , performance of wideband CDMA under different radio propagation environment and vehicular speed is simulated .

针对宽带码分多址系统的上行链路，提出了一种基于干扰预测的功率控制方法。

A predictive power control algorithm for the uplink transmission in wideband code division multiple access ( WCDMA ) systems is presented .

提出了多媒体宽带码分多址系统的一种基于业务的非线性功率控制算法。

A traffic based nonlinear power control algorithm is developed for the uplink of multimedia wideband code division multiple access ( CDMA ) systems .

研究宽带码分多址系统中瑞利衰落信道下使用导频符号辅助信道估计的方法，并提出应用回归算法改进信道估计。

Pilot symbol-assisted channel estimation under Rayleigh fading channel in wideband code division multiple access ( WCDMA ) is investigated . Application of regression algorithm in channel estimation is presented .