| 卫星链路TCP协议的跨层设计 |
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| 引用本文： | 郝志安.卫星链路TCP协议的跨层设计[J].计算机与网络,2011(12):43-46. |
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| 作者姓名： | 郝志安 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所,河北石家庄050081 |
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| 摘 要： | 为了进一步提高时延大和误码高的同步通信卫星传送数据包效率，提出了一套卫星数据通信传送控制协议（TCP）的跨层设计方法。论述了TCP协议层的流量控制机制和介质访问控制（MAC）协议层的差错控制机制。通过构建的跨协议层的卫星链路网关仿真模型，实验验证了所提方法的正确性，结果表明该设计方法比以往只改进TCP层协议做法，在传输层统计吞畦量提高约三倍多。
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| 关 键 词： | 卫星通信网关 TCP协议 跨层设计 |
Cross-layers Design on TCP Protocol on Satellite Links |
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| HAO Zhi-an.Cross-layers Design on TCP Protocol on Satellite Links[J].China Computer & Network,2011(12):43-46. |
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| Authors: | HAO Zhi-an |
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| Affiliation: | HAO Zhi-an (The 54th Research Institute of CETC, Shijiazhuang Hebei 050081, China) |
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| Abstract: | To improve efiiciency of transferring satellite packets on GEO satellite links with high delay and high error-bits, some design methods and policies are presented on satellite data communication with a new cross-layers Transmission Control Protocol （TCP）protocol. The Trafiic control mechanism on TCP layer and error control mechanism on Media Access Control（MAC）layer are discussed. Finally, based on simulation Model and its experiments of the satellite link gateway with the cross-layers protocol, the statistical throughput with the proposed design is increased by about three times of the method of just improving TCP protocol. |
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| Keywords: | satcom gateway TCP protocol cross-layer design |
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