Cellular Standards Flashcards
1
Q
2G
A
First cellular net
Has 2 standards within it:
GSM-global system for communications- uses multiplexing to allow multiple users
To communicate with a tower at the same time with each user utilizing a different frequency
CDMA- Code division multiple
Access- allowing communication of multiple users by assigning users communication a code
2
Q
3 G
A
1998, 7mbps
-allowed voice and data communication simultaneously
-improvements of speed allows video streaming, video on demand, video conferencing and GPS
3
Q
4G and LTE and LTE-A
A
Combined the two standards GSM and CDMA into DSP(digital signal processing)
-4G and LTE-150mbps
-LTE-A- 300mbps
4
Q
5G
A
2020, 100-900mbps
10gbps capability in the future
Uses higher frequencies to achieve greater speeds
