On Throughput Performance of the CDMA Reservation-ALOHA Multiple Access System for the HFC Network

SUN Fei-yan; ZHANG Zhao-yang; CHEN Wen-zheng

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On Throughput Performance of the CDMA Reservation-ALOHA Multiple Access System for the HFC Network

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- On Throughput Performance of the CDMA Reservation-ALOHA Multiple Access System for the HFC Network
- Acta Electronica Sinica Vol. 29, Issue 11, Pages: 1552-1554(2001)
- 作者机构：
  
  浙江大学信息学院信息与通信工程研究所,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN961
- Published：2001
- 稿件说明：
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SUN Fei-yan, ZHANG Zhao-yang, CHEN Wen-zheng. On Throughput Performance of the CDMA Reservation-ALOHA Multiple Access System for the HFC Network[J]. Acta Electronica Sinica, 2001, 29(11): 1552-1554.
DOI：

SUN Fei-yan, ZHANG Zhao-yang, CHEN Wen-zheng. On Throughput Performance of the CDMA Reservation-ALOHA Multiple Access System for the HFC Network[J]. Acta Electronica Sinica, 2001, 29(11): 1552-1554. DOI：

摘要

为了在HFC网络上实现交互式业务

人们对基于HFC网络的介质访问协议进行了广泛的研究.已出现的几种基于HFC的MAC协议基本上都采用了竞争与预约相结合的访问机制.基于CDMA的HFC是新一代的HFC系统.本文提出了一种基于CDMA的双向HFC网络竞争与预约相结合的上行信道多址接入方式.并且为该协议系统建立了四状态Markov链分析模型

对该协议进行了性能分析

并给出了计算机实验结果与分析.

Abstract

In order to support interactive services based on HFC networks

researchers have proposed several medium access control protocols

most of which adapt to reservation mechanism based on random access mechanism.The CDMA based HFC is a new generation of HFC system.In this paper

a CDMA-Reservation-Aloha access approach for the HFC network is proposed.Markov-chain system model is defined and a closed-form expression for the throughput is derived.Finally the steady-state numerical performances are analyzed.

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