Phone Scoop

printed October 19, 2014
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Cellular

1. A layout for antenna towers in a wireless network that allows a large number of towers to cover a large contiguous area and serve a large number of simultaneous users. Each antenna tower provides coverage for a certain area, and coverage of neighboring towers overlaps, so that coverage is seamless for users. Two such neighboring towers user different radio frequencies so that they don't interfere.

However, imagine that tower A overlaps with tower B, and B overlaps with tower C. But A and C do not overlap. In that scenario, A and C might use the same radio frequency, since they would not interfere.

2. The name of the radio frequency band near 850 MHz. It was the first band used for (analog) cellular networks in the U.S., and so was simply called the "Cellular" band. Since then, other bands have been created in the U.S. for cellular networks, such as PCS and AWS.

As the industry moved from analog to digital to 3G, the Cellular band in the U.S. has been used for many different technologies, including AMPS, TDMA, CDMA, GSM, and WCDMA.

In the context of WCDMA and LTE networks, the Cellular band is also known as band 5 (V). In the context of CDMA networks, it is known as BC0, which stands for band class 0.

The Cellular band is sometimes referred to as the 800 band, 835 band, or 850 band. It is important not to confuse the Cellular band with the different ESMR band, which is also called the 800 band. Although both bands are near 800 MHz, the exact frequencies are different and incompatible.

See: ESMR

(To make the distinction between Cellular and ESMR, Phone Scoop refers to the ESMR band as 800, and the Cellular band as 850.)

Still confused? Spot a mistake? Give us your feedback on this definition.

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