深圳职业技术学院电子与信息工程学院,广东,深圳,518055
纸质出版:2010
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FONT face, Verdana, 王洋, 等. CDMA2000 1xEV-DO反向链路数据吞吐量平衡负荷算法设计[J]. 电子学报, 2010,38(1):83-86.
P, WANG Yang, P. Reverse Link Data Throughput Balancing Algorithm with Balance for CDMA2000 1xEV-DO[J]. Acta Electronica Sinica, 2010, 38(1): 83-86.
CDMA2000 1xEV-DO
是基于
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st1:chmetcnv w:st="on" UnitName="g" SourceValue="3" HasSpace="False" Negative="False" NumberType="1" TCSC="0">
3G
<
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技术中的一种高速数据传输系统,其反向链路采用码分复用方式
.
由于数据传输系统具有数据传输突发性和速率波动大的特点,因此需要在反向链路进行负荷控制,防止出现热噪声超标导致信号崩溃
.
为解决系统反向链路数据吞吐量的最大化和
反向链路的稳定性问题,本文引入了比例积分微分控制算法
.
通过模糊控制方法自动实时整定算法中的控制参数,结合增量型比例积分微分控制算法,降低了计算资源损耗,实现反向链路稳定性和反向链路数据吞吐量最大化的平衡
.
<FONT face=Verdana>CDMA2000 1xEV-DO is one high data rate system based on 3G
in which access terminals have the abilities to quickly transmitdata from one rate to another and to sup port high burst rates. So the rise-over-thermal control algorithm in reverse link should be used to ensure the stability of reverse link. It is difficult for existing reverse load control algorithm to balance reverse link throughput and rise-over-thermal control in the CDMA systems. This paper designed incremental PID reverse link load control algorithm
which turned the related parameters based on fuzzy models. This algorithm can not only decrease calculation time but also realize the balance between reverse link throughput and rise-over-thermal control.
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