On the Spectral Efficiency of a Sphere

Provided by: EMW Publishing
Topic: Networking
Format: PDF
The spectral efficiency of a wireless communication system is determined by the properties of the channel that relates the transmitted and received signals. In many cases it is desired to have both high capacity and small antennas in wireless communication systems. Unfortunately, the antenna performance deteriorates when the antennas get electrically small. In this paper, fundamental limitations from antenna theory and broadband matching are used to analyze fundamental limitations on the spectral efficiency of an arbitrary antenna inserted inside a sphere.

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