What Does Picocell Mean?
A picocell is a small cellular base station (BS) that is an alternative to a repeater or distributed antenna system. It is used to extend wireless services to building interiors or other areas that cannot be reached by networks that serve larger cell towers. It is also useful in securing voice and data connectivity to smaller interior areas.
Techopedia Explains Picocell
Various types of telecom networks use picocells to provide services to more users. In a way, these setups are like the local area networks (LAN) served by individual wireless routers, where a picocell station takes a signal from a larger network and distributes it to a very local range.