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Mobile Computing > Bluetooth > Flashcards

Bluetooth Flashcards

1
Q

Operates on

A

2.4GHz(2400-2480MHz) frequency band

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2
Q

Channels on the frequency band

A

79 channels spaced 1 MHz apart

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3
Q

Power levels

A

1mW covering 10cm to 100mW covering 100meters

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4
Q

Architecture

A
  • unicast as well as multicast
  • follow master-slave architecture
  • piconet
  • scatternet
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5
Q

Master- slave architecture

A

Slave has to wait till master allows them

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6
Q

Piconet

A 
Each terminal can be either M or S
1M is master of max 7S
1S can be member of other Piconet too
SB - not getting access
P   - low power mode
M  - laptop
S   - mouse, keyboard
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7
Q

Scatternet

A

Multiple piconet

Atleast one s in other piconet

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8
Q

Physical links btw master and slave

A

Synchronous Connection Oriented (SOC) link

Asynchronous Connection-Less (ACL) link

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9
Q

Synchronous Connection Oriented(SOC) Link

A

Support circuit-switched, point to point connection

Used for voice transmission

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10
Q

Asynchronous Connection-Less ( ACL)

A

Support packet-switched, point-to-multipoint connections

Used for data transmission

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Mobile Computing (8 decks)

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