A predictive power control algorithm for the uplink transmission in wideband code division multiple access ( WCDMA) systems is presented. 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。
Between them, the four companies own the majority of the essential intellectual property rights relating to W-CDMA ( wideband code division multiple access) technology. 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)。
A traffic based nonlinear power control algorithm is developed for the uplink of multimedia wideband code division multiple access ( CDMA) systems. 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。
Improvement of Channel Estimation Using Regression Algorithm for Wideband Code Division Multiple Access 应用回归算法改进宽带码分多址系统中的信道估计
Several space-time coding based transmit diversity techniques for wideband code division multiple access ( WCDMA) systems with four transmitter antennas are investigated. Performances of the rake receivers are analyzed and compared with those of the multi-antenna receive diversity techniques. 研究了WCDMA系统4发送天线时可能存在的几种空时编码发送分集技术,给出了各自的rake接收模型并研究了在衰落信道中的接收性能,同时也与多天线的接收分集技术做了比较。
A combined power control and data rate adjustment scheme with Minimum Mean Square Error ( MMSE) receiver for the 3GPP Wideband Code Division Multiple Access ( WCDMA) reverse link is proposed. 该文针对3GPPWCDMA系统的反向链路,提出了一种基于MMSE接收机的功率和数据速率相结合的控制算法。
Study on Dynamic Orthogonal Codes Assignment in Wideband Code Division Multiple Access Communication Systems 宽带码分多址系统中正交码的分配策略研究
Multiuser Detection for Wideband Code Division Multiple Access Systems Based on Blind Uplink Channel Estimation 基于上行信道盲估计的宽带码分多址多用户检测器
This paper mainly works over radio resource management strategies in Wideband Code Division Multiple Access ( WCDMA) systems and Orthogonal Frequency Division Multiplexing ( OFDM)-based Beyond 3G ( B3G) systems. 本文主要对宽带码分多址系统和以正交频分复用为关键技术的后三代系统中的无线资源管理策略进行了研究。
Spectral Characteristics of Ultra Wideband Multiple-Access Signals 超宽带多址通信信号的功率谱分析
Traffic-Based Nonlinear Power Control in Multimedia Wideband Code Division Multiple Access Systems 多媒体宽带码分多址系统基于业务的非线性功率控制
Information Rate, Service Quality and System Capacity of Wideband Code Division Multiple Access Systems 宽带码分多址系统中的业务速率、服务质量与系统容量
The fractal theory is applied to the description of multipath fading channels in order to improve the channel estimation using time multiplexed pilot symbols in wideband code division multiple access ( WCDMA) systems. 为改进第3代移动通信标准WCDMA中基于时分复用导频符号辅助的信道估计问题,将分形理论引入多径衰落信道的描述。
Power Control Algorithm with Partial-User Macrodiversity in Multi-Cell Wideband Code Division Multiple Access System 多小区部分宏分集功率控制算法
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. 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。
A hybrid allocation ( HA) algorithm, including two steps of initial partition of code tree and orthogonal variable-spreading-factor ( OVSF) code allocation, is presented for wideband code division multiple access ( WCDMA) system focusing on OVSF single-code allocation in this paper. 针对WCDMA系统中各种正交可变扩频码(OVSF码)的单码分配方案,提出一种混合分配(HA)算法.HA算法分为初始码树划分和OVSF码分配2个阶段。
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. 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。
Wideband network systems protocol stack includes physical layer, data link layer, network layer and application layer. The data link layer mainly completes multiple access, priority queues, data segmentation and reassembly, reliable transmission and other functions. 宽带网络系统协议栈分为物理层、数据链路层、网络层以及应用层,数据链路层主要完成多址接入、优先级队列、数据分段及重组、可靠传输等功能。
Power control is one of the most important radio resource management technologies in WCDMA ( wideband code division multiple access) 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。