| 单词 | Figure C-2 |
| 释义 | Figure C-2 • Macrocells cover relatively large areas, perhaps an entire metropolitan area of 50–60 miles in diameter. • Microcells cover a smaller area of perhaps 6–8 miles in diameter. • Picocells cover a very small area of perhaps only a few city blocks, a tunnel, walkway, or single floor of a parking garage. • Femtocells are very small radio cells associated with cellular radio base stations located in homes or small offices. See also antenna, architecture, cellular radio, frequency, LOS, and power. |
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