December 2001
Intermediate to advanced
336 pages
8h 42m
English
Content preview from OFDM Wireless LANs: A Theoretical and Practical GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Single Carrier Versus OFDM Comparison
We conclude this chapter with a comparison of single carrier systems versus OFDM systems with the same data rate. The main difference between the systems are their robustness to fading and synchronization errors—both frequency and timing. Under the assumption of perfect synchronization, the performance of a single carrier system and an OFDM system is equivalent for AWGN and flat or frequency non-selective channels. Consider a received signal for a single carrier system
Equation 1.78
where γ is a complex random variable, si is the baseband representation of the ith modulation symbol, and ni is complex additive ...
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