Mobile Device Connectivity Flashcards

1
Q

GSM

A

Global System for Mobile Communications

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2
Q

TDMA

A

Time Division Multiple Access

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3
Q

CDMA

A

Code-division Multiple Access

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4
Q

cdmaOne

A

IS-95, first version of CDMA

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5
Q

PRL

A

Preferred Roaming List

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6
Q

Details of 2G/2.5G/2.75G

A
  • GSM uses TDMA
  • General Packet Radio Service (GPRS) (no real increase)
  • Enhanced Data rate for GSM Evolution (EDGE)
  • cdmaOne uses CDMA and PRLs
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7
Q

Details of 3G

A
  • Minimum 144 Kbps transfer rate
  • Universal Mobile Telecommunications System (UMTS) (Europe)
  • CDMA2000 (North America)
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8
Q

Details of 4G

A
  • 100 Mbps
  • First release: WiMAX and LTE
  • Later release: Mobile WiMAX Release 2 and LTE Advanced
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9
Q

Details of 5G

A
  • Up to 50Mbps to 1 Gbps
  • mmWave bands and MIMO increases to 4 Gbps
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10
Q

Bluetooth 1.1

A

Legacy (First standardization) 1 Mbps

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11
Q

Bluetooth 2.0

A

Bluetooth + EDR (Enhanced Data Rate) 3 Mbits

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12
Q

Bluetooth 3.0

A

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

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13
Q

Bluetooth 4.0

A

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

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