General Datawarehousing Question:
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Explain piconet?
Answer:
The original Piconet was a USB-style expansion port on RM Nimbus computers.
These days, a piconet is an ad-hoc computer network linking a user group of devices using Bluetooth technology protocols to allow one master device to interconnect with up to seven active slave devices (because a three-bit MAC address is used). Up to 255 further slave devices can be inactive, or parked, which the master device can bring into active status at any time.
A piconet typically has a range of about 10 m and a transfer rate between about 400 and 700 kbit/s, depending on whether synchronous or asynchronous connection is used.
All Parked Slaves have 8 bit parked member address (PMA) and all the active slaves have 3 bit active member address (AMA). The AMA is used by the master to send packets to a specific slave and to identify that the slave has sent a response packet.
These days, a piconet is an ad-hoc computer network linking a user group of devices using Bluetooth technology protocols to allow one master device to interconnect with up to seven active slave devices (because a three-bit MAC address is used). Up to 255 further slave devices can be inactive, or parked, which the master device can bring into active status at any time.
A piconet typically has a range of about 10 m and a transfer rate between about 400 and 700 kbit/s, depending on whether synchronous or asynchronous connection is used.
All Parked Slaves have 8 bit parked member address (PMA) and all the active slaves have 3 bit active member address (AMA). The AMA is used by the master to send packets to a specific slave and to identify that the slave has sent a response packet.
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