| 通信性能评估的仿真实验研究 |
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| 引用本文： | 刘云,施荣,沈连丰.通信性能评估的仿真实验研究[J].电气电子教学学报,2003,25(6):50-55. |
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| 作者姓名： | 刘云 施荣 沈连丰 |
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| 作者单位： | 东南大学,移动通信国家重点实验室,江苏,南京,210096 |
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| 基金项目： | 教育部重点科学技术研究项目(编号 :0 2 171)，江苏省高技术研究项目(编号 :BG2 0 0 3 0 0 4) |
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| 摘 要： | 研究了流量控制和差错控制对通信性能的综合影响，着重分析了停止-等待协议和连续ARQ协议的优缺点，讨论了信道利用率和帧长的关系。介绍了几种多点接人技术的基本原理，如CSMA和CSMA／CD，并给出了各自相应的性能仿真曲线。所设计的通信性能评估实验，仿真界面形象丰富，与实验知识点紧密结合，可以大大提高实验教学的效率和质量。
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| 关 键 词： | 流量控制 差错控制 通信性能 停止-等待协议 连续ARQ协议 多点接人 |
| 文章编号： | 1008-0686(2003)06-0050-06 |
| 修稿时间： | 2003年9月30日 |
Research on Simulation Experiment of Communication Performance Evaluation |
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| LIU Yun,SHI Rong,SHEN Lian feng.Research on Simulation Experiment of Communication Performance Evaluation[J].Journal of Electrical & Electronic Engineering Education,2003,25(6):50-55. |
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| Authors: | LIU Yun SHI Rong SHEN Lian feng |
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| Abstract: | General influences of flux control and error control on communication performance are studied in this paper. Stop and Wait protocol and continuous ARQ protocol are mainly analyzed, and the relation between channel occupancy and frame size is discussed. Fundamental principles of some multipoint access technologies, such as CSMA and CSMA/CD, are introduced with corresponding performance simulation curves. The communication performance evaluation test designed has visual and various simulation interfaces which closely associate with experimental knowledge points and therefore efficiency and quality of experimental teaching can be improved greatly. |
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| Keywords: | communication performance flux control error control multipoint access technology performance simulation |
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