Mobile Device Connectivity

Question 1

GSM

Answer 1

Global System for Mobile Communications

Question 2

TDMA

Answer 2

Time Division Multiple Access

Question 3

CDMA

Answer 3

Code-division Multiple Access

Question 4

cdmaOne

Answer 4

IS-95, first version of CDMA

Question 5

PRL

Answer 5

Preferred Roaming List

Question 6

Details of 2G/2.5G/2.75G

Answer 6

• GSM uses TDMA
• General Packet Radio Service (GPRS) (no real increase)
• Enhanced Data rate for GSM Evolution (EDGE)
• cdmaOne uses CDMA and PRLs

Question 7

Details of 3G

Answer 7

• Minimum 144 Kbps transfer rate
• Universal Mobile Telecommunications System (UMTS) (Europe)
• CDMA2000 (North America)

Question 8

Details of 4G

Answer 8

• 100 Mbps
• First release: WiMAX and LTE
• Later release: Mobile WiMAX Release 2 and LTE Advanced

Question 9

Details of 5G

Answer 9

• Up to 50Mbps to 1 Gbps
• mmWave bands and MIMO increases to 4 Gbps

Question 10

Bluetooth 1.1

Answer 10

Legacy (First standardization) 1 Mbps

Question 11

Bluetooth 2.0

Answer 11

Bluetooth + EDR (Enhanced Data Rate) 3 Mbits

Question 12

Bluetooth 3.0

Answer 12

3.0 - Bluetooth + HS (High speed, 24 Mbps via co allocated Wi-Fi channel)

Question 13

Bluetooth 4.0

Answer 13

Bluetooth + LE (Low energy implementations, focus begins on IoT)