Mạng VSAT (P5)

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Mạng VSAT (P5)

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3 RADIO FREQUENCY LINK ANALYSIS The previous chapter has addressed the networking techniques which allow connection set-up and reliable transfer of information from one user terminal to another. This chapter will address information transfer at the physical level. Figure 5.1 reproduces an excerpt from Figure in order to put into perspective 4.5 the respective topicsof Chapter 4 and the present one. Chapter 4 dealt with the peer layers of the hub andVSAT interface within the VSAT network at datalink control and satellite channel access control levels. The present chapter focuses on the physical layer, which involves forward error correction (FEC), modulation and...

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