Network technology

Question 1

A high and low-frequency radio waves that allow us to send the signals to mobile phones

Answer 1

Spectrum

Question 2

Everything that communicates wirelessly uses a slice of ——

Answer 2

Spectrum

Question 3

On mobile communication highway, lanes are called

Answer 3

Spectrum

Question 4

With all data traffic, how signals avoid bumping into each other

Answer 4

All wireless carriers purchase a license from the Federal Communication Commission (FCC).

Question 5

What does FCC do?

Answer 5

FCC allocates (awards) wireless spectrum in the designated frequency bands to carriers using an auction process

Question 6

What is the measure of Frequency

Answer 6

Frequency is measured in Hertz (Hz)

Question 7

What is the range of radio waves frequency?

Answer 7

The radio spectrum has a frequency from 10,000 to 300 GHz

Question 8

Which frequencies travel farther and penetrate solid better?

Answer 8

Lower frequencies

Question 9

Which frequency can carry more information

Answer 9

Higher frequency

Question 10

What is the best range of frequencies for cell phones use?

Answer 10

700MHz to 2.5GHz (2500MHz)

Question 11

What are the bands?

Answer 11

Bands are range of frequencies allocated for a specific purpose(s). FCC names each band and has certain rules associated with each band.

Question 12

What are the Blocks?

Answer 12

Each band is sub-divided into smaller and separate frequency blocks and sold to different carriers.

Question 13

The —-the block, the larger data throughput

Answer 13

larger

Question 14

FCC also controls which —— can be used in each block

Answer 14

frequency

Question 15

What are the approved technologies for 2G frequency Band for PCS 1600 band

Answer 15

CDMA & GSMAone.

Question 16

For 3G what technologies are used?

Answer 16

UMTS & CDMA 2000

Question 17

LTE is used for which technology?

Answer 17

4G

Question 18

What is required by the carrier after purchasing spectrum from FCC at the auction price?

Answer 18

Carriers are also required to spend money to help the ‘incumbents’ adjust their equipment to use on the alternate block of spectrum and clear the band for wireless use

Question 19

Are all spectrums licensed?

Answer 19

No. They are Unlicensed spectrums which use WiFI.

Question 20

What are smaller sites called?

Answer 20

Smaller sites are called micro, pico, and femto cells

Question 21

The range of microcells is ——

Answer 21

1.2 miles. It provides coverage in areas that have poor coverage (urban)

Question 22

The range of picocells is —–

Answer 22

200 meters or less

Question 23

What is the range for femtocells

Answer 23

Femtocells cover about 10 meters

Question 24

What is DAS

Answer 24

DAS is used to extend coverage in the venues where coverage is hard to achieve through microcells