Chapter 3: Conclusion

Summary of chapter 3, and teasers for chapter 4. We've learned how to create link budgets, determine modulation schemes, and what that will mean for our link.

In conclusion, with a link budget, antenna data-sheets to determine available MCS levels based on power and received signal level, and “ideal” conditions we can predict data-throughput for a wireless link. That begs the next question, “how about the real world?” That requires discussion of fade margin, Fresnel zones and noise floor/interference.

This chapter has provided everything you need to effectively calculate what equipment you need to provide a given level of bandwidth over a distance. Combined with the radio fundamentals from earlier chapters, you should be able to confidently predict whether or not a link or desired service level is technically possible in ideal conditions. The next chapter deals with non-ideal conditions!

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