N-CDMA是什么意思

网络释义

用法例句

Analysis on the coexistence of UWB with N-CDMA;

超宽带与窄带码分多址系统共存分析

Research on Electromagnetic Compatibility between MB-OFDM-UWB and N-CMDA;

本文将MB-OFDM-UWB系统和窄带-码分多址(N-CDMA,NarrowCode Division Multiple Access)系统在物理层建模,进行系统级电磁兼容研究,根据N-CDMA系统误码率的要求,得出MB-OFDM-UWB系统在N-CDMA系统工作频段(下行869~894MHz)的等效各向同性辐射功率(Equivalent Isotropic Radiated Power,EIRP)不大于-60。

This paper explains briefly what is FDMA-TDMA system, analyzes some of the crucial technical features of the system such as acquisition and synchronization, car-rier hopping, uplink power control, Demand Assigned Multiple Access, controller etc.

介绍了什么是多载波窄带时分多址卫星通信系统，分析了初始捕获及同步、跳载波、上行功率控制、按需分配、控制器等该系统的一些关键技术特点，阐述了它们的工作过程。

Research on Soft Handover Technology of Downlink WCDMA System;

宽带码分多址系统下行链路软切换技术的研究

A linear quadratic form of power control problem in wide band code division multiple access (WCDMA) systems is established and the fading channel path gain is predicted.

从最优控制的角度出发 ,将宽带码分多址系统中的功率控制问题转化成线性二次型的形式 ,利用线性预测技术预测链路增益 ,求解基于预测的线性二次型最优功率配置 。

Starting from the sufficient and necessary condition of existence of solution for power assignment in a single cell wideband code division multiple access (WCDMA) system, the quantity relations among the information rate, the capacity and the quality of service(QoS) are acquired.

根据宽带码分多址 (WCDMA)系统单小区功率分配算法有解的充要条件 ,得到速率与容量之间、服务质量与速率之间的定量换算关系 。

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

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。

A novel multipath interference cancellation (MPIC) algorithm was developed to suppress the inter-symbol interference caused by multipath fading and to increase the throughput of wideband code division multiple access (WCDMA) systems.

为了抑制多径衰落造成的符号间干扰 ,提高宽带码分多址 (WCDMA)系统的吞吐量 ,提出了一种多径干扰消除(MPIC)算法。

W-CDMA is the strongest candidate for the air interface technology of thirdgeneration mobile communication systems and dynamic resource scheduling(DRS) is proposed as a framework that will provide dependable QOS provision for multimedia traffic in W-CDMA.

W -CDMA(宽带码分多址 )是第三代移动通信系统空接技术中的首选技术 ,而动态资源配置作为一个框架为W -CDMA系统中的多媒体通信提供可靠的业务质量 ,动态资源配置监视通信变化量 ,以最优方式调节用户的传输功率 ,因此 ,动态资源配置在W -CDMA系统中得到广泛应用。

Wide-band Code Division Multiple Access (W-CDMA) is a research emphasis of the third generation mobile communication systems.

宽带码分多址是第三代移动通信研究的重点，在它涉及的诸多重要技术中，呼叫接纳控制是保证各级业务服务质量的关键技术之一；而接入控制则是提高系统容量利用率的重要手段。

The W-CDMA power amplifier suffers from the nonlinear distortion problem.

针对宽带码分多址(W-CDMA)功放的非线性失真问题,设计实现了工作频率范围在2 110~2 170 MHz放大器的预失真模块部分、驱动级、主功放,最终实现了适用于输出功率为41 dBm功率放大器的预失真系统。

The Third Generation Mobile Communication System and Wideband Code Division Multiple Access;

第三代移动通信系统和宽带码分多址

Research on Soft Handover Technology of Downlink WCDMA System

宽带码分多址系统下行链路软切换技术的研究

Method for achieving load balance between exchanges of WCDMA system

宽带码分多址系统的一种局间负荷平衡方案

The optimal implementation of radio resource management in WCDMA system

宽带码分多址系统无线资源管理的最优实现

Study of Parallel Interference Cancellation for Wideband CDMA;

宽带码分多址系统的并行干扰抵消技术研究

An Efficient Scheme on Improving the Cell Capacity of WCDMA System

一种提高宽带码分多址接入系统小区容量的有效方案

Mobility management module designation of wideband code division multiple sub-site communication system

宽带码多分址通讯系统的移动管理模块设计

The Multiple Access of Ultra-Wide Band based on Balance Gold Code

基于平衡Gold码的超宽带多址接入方式

Simulation on BER Performance and Multi-Access Analysis of UWB System;

超宽带系统BER性能仿真与多址接入能力分析

Broadband access system of WDMA and its optical performance test

波分多址宽带接入系统及其光性能测试

Research on Multiband OFDM Ultra-Wide Band System and Multiple Access Technology;

多带OFDM超宽带系统及其多址技术研究

Performance analysis of multipath and multiple-access fading in UWB

多用户多径环境下超宽带系统误码性能分析

frequency hopping code division multiple access demodulator

跳频码分多址解调器

The Research of Ultra-Wide-Band Multiple Access and Time Delay Estimate Algorithm;

超宽带通信多址与时延估计算法研究

An Ultra-Wideband Multiple Access Technology Based on MB-OFDM

一种基于MB-OFDM的超宽带多址技术

Percentage of network bandwidth which is made up of multicast traffic on this network segment.

在网络这一段上成为多址广播流量的网络带宽的百分比。

Decision-Directed Based Nonlinear Algorithm for Narrowband Interference Suppression in CDMA Systems

码分多址系统中基于判决引导的窄带干扰抑制非线性算法

Performance analysis of an improved SDMA technique based on CDMA

一种基于码分多址的改进性空分多址性能分析