发明授权
US06865220B2 System and method for implementing an end-to-end error-correcting protocol in a voice band data relay system 失效
用于在语音频带数据中继系统中实现端对端纠错协议的系统和方法

System and method for implementing an end-to-end error-correcting protocol in a voice band data relay system
摘要:
A system and method to establish an end-to-end error correcting protocol between two voice band data modems over a network including voice band data relay gateways, where part of the end-to-end connection is via low data rate narrowband network. Using a partial implementation of V.42 LAPM protocol within the data relay gateways, the system allows the independent selection of modulation schemes at each gateway as well as increased user data throughput by removing non-informational data. Flow control of the user data to match the channel rate of the narrowband network may also be provided.
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