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The conceptual design phase lets us build the concepts that are necessary in order to completely and efficiently design the transceiver. We broke down the project down into several small pieces based off of the system level design that was done. The first break down was to separate the transmitter and receiver.
A logical design is a conceptual, abstract design. You do not deal with the physical implementation details yet; you deal only with defining the types of information that you need. The process of logical design involves arranging data into a series of logical relationships called entities and attributes. An entity represents a chunk of information. In relational databases, an entity often maps to a table. An attribute is a component of an entity and helps define the uniqueness of the entity.