YAShamelessHomeworkT

Aug 25, 2004
11,151
1
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Please read and contribute any ideas you have. Thanks :)

Our class has no textbook. We have lecture slides and anything online is fair game for coursework.

Everything I've read online till now says something similar to this:
A master Bluetooth device can communicate with up to seven devices. This network group of up to eight devices is called a piconet.

A piconet is an ad-hoc computer network, using Bluetooth technology protocols to allow one master device to interconnect with up to seven active devices. Up to 255 further devices can be inactive, or parked, which the master device can bring into active status at any time.

Here's the question:
Q: A Bluetooth piconet can only have 8 active nodes although theoretically up to 255 devices can be a member of the piconet. Explain the rational behind this.

Any clues?
 

sjvlad

Member
Dec 7, 2005
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You could have a call center type thing where every employee has a bluetooth headset. You have a master device set up in a room where calls are made. Your 35 employee's headsets are all set up in a piconet with said device, and up to 8 employees at a time can be active and making calls.

Not really a good way to set it up, but it'd utilize the higher inactive vs active device ability.
 

Cristatus

Diamond Member
Oct 13, 2004
3,908
2
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Well...look at the words carefully. It says: up to 255 further devices can be inactive, or parked, which the master device can bring into active status at any time.

Because the connections are inactive, it can have that many connections, and then out of those 255 connections, 8 can be active.

I am just guessing, I don't know anything about this, but I think this is the answer.
 

DivideBYZero

Lifer
May 18, 2001
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Not all devices are active, but with BT devices are required to be paired, or 'known'. It is assumed that not all devices are going to be within range, too. For example; A car BT system will only include your phone when it is within 100ft.

NOW DO YOUR OWN FCKING HOMEWORK! ;)