北京航空航天大学学报 ›› 2004, Vol. 30 ›› Issue (12): 1178-1181.

• 论文 • 上一篇    下一篇

ATN中的数据压缩算法分析及进一步完善

杨成雷, 张军, 刘锋   

  1. 北京航空航天大学 电子信息工程学院 北京 100083
  • 收稿日期:2003-06-30 出版日期:2004-12-31 发布日期:2010-09-21
  • 作者简介:杨成雷(1973-),男,北京人,硕士生, yangbuaa@163.com.

Analysis of data compression algorithm and its improvement in ATN

Yang Chenglei, Zhang Jun, Liu Feng   

  1. School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China
  • Received:2003-06-30 Online:2004-12-31 Published:2010-09-21

摘要: 针对航空电信网移动通信中的数据压缩问题,详细分析了无连接网络层协议(CLNP,Connectionless Network Layer Protocol)报头压缩过程和压缩性能,得出传输效率、报头压缩效率与报文长度的关系.在缺省域间路由方式下,结合ESIS(End System to Intermediate System )协议,提出了CLNP报头数据的压缩完善方案,并分析了算法的压缩性能、给出了压缩效率和数据包长的关系.仿真结果表明,该算法进一步提高了压缩效率,提高了无线信道传输效率.

Abstract: To solve the data compression problem and improve the transmission efficiency in the ATN(aeronautical telecommunication network) mobile communication network, the data packets headers compression algorithm of CLNP(connectionless network layer protocol) is discussed in detail. The relationships of transmission efficiency, compression rate and packet length are given by analyzing compression procedure and capability. Combining ESIS(end system to intermediate system) protocol, an improved header compression algorithm of CLNP data packet is presented in the IDRP(inter-domain routing protocol) routing algorithm. The impression efficiency of packets headers is analyzed and the correlation between impression efficiency and packet length is given. The simulation results showed that the new algorithm could promote the compression efficiency of data packets and transmission efficiency of the network.

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