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•Multiple users want to communicate in a common geographic area
•Cellular Example: Many people want to talk on their cell phones. Each
phone must communicate with a base station.
•Imagine if only one person could talk on their cell phone at a time!
•Problem: How should we share our resources so that as many users as
possible can communicate simultaneously
•The concept behind multiple access is to permit a number of users to
share a common channel. The two traditional ways of multiple access
are Frequency Division Multiple Access (FDMA) and Time Division
Multiple Access (TDMA).
What is Multiple Access
