ANNA UNIVERSITY, CHENNAI
REGULATIONS – 2013
M.E. COMMUNICATION SYSTEMS
CU7102 Advanced Digital Communication Techniques
OFDM (Unit 5) Lecture Notes
The basic principle of OFDM is to split a high-rate datastream into a number of lower rate streams that are transmitted simultaneously over a number of subcarriers. Because the symbol duration increases for the lower rate parallel subcarriers, the relative amount of dispersion in time caused by multipath delay spread is decreased.
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