摘要
为了提高机载移动通信卫星中继链路的数据传输效率,给出了一种高效传输方法,先通过转换话音编码方式对语音进行压缩,再把话音数据作为有效负载封装成IP数据包,采用RTP复用和IP/UDP/RTP报头压缩等技术来提高话音数据的传输效率。最后通过仿真说明了这种高效传输方法能提升给机载移动通信的性能。
A high efficient transmission method of satellite relay link is presented to improve the data transmis- sion efficiency in airborne mobile communication. Voice data is compressed by changing the voice codec mode, and then is encapsulated into IP packet. This high efficient transmission employs RTP（Real-time Transport Protocol） multiplexing and IP/UDP/RTP header compression scheme to improve the transmission efficiency of the voice data. Finally, the performance improvement by using the high efficient transmission method is investigated through computer simulation.
出处
《电讯技术》
北大核心
2011年第2期67-71,共5页
Telecommunication Engineering
关键词
机载移动通信
中继链路
语音压缩
RTP复用
报头压缩
airborne mobile corrmaunication
relay link
speech compression
RTP multiplexing
header compression
