Satellite communication has become more and more important because of its particular advantages. And satellite modem is one of the most important fields.As the base group standard of telecommunication network in China and Europe, E1 network is widely and maturely used. Because of its early use and good reliability, there are full of E1 channel resources all over the chi hair straightener world now. Almost all satellite modem equipments support E1 data access. Designing an E1 data interface for a satellite modem is a common and a must. It is of great sense in real life ralph lauren polo shirts applications.The environment of satellite communication is more complex than that of other communications. In order to decrease the bit error rate and supply good communication Lacoste Polo Shirts quality, FEC strategies are very important. So supplying more outstanding FEC technology is one of the most important developing directions. Among the exiting satellite modems, FEC strategies such as convolutional codes and TPCs are very common, which are not no perfect. Reseach of new and better Lacoste Shirts strategies is useful.Based on the above problems, here, E1 interface design and data“chi straightener drop&insert”function are researched, as well as advantage performance of a kind of new code-laminated turbo codes (LTC). The following are the main contents of this paper:(1) Study the main concepts of E1 network.(2) Design E1 interface by writing the registers of the E1 SCT DS21354 and configuring the corresponding chi flat iron pins.(3) Supply“drop&insert”function with FPGA, and the data rate can be chosen outside to fix particular data rate requirements.(4) Simulate with Matlab to achieve and verify the outstanding performance of LTC by comparing to its related Turbo codes and SCCC codes. Later, the impact of blocks length N is researched, too.
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