Method of implementing scatternet in wireless personal area network
First Claim
1. A method of implementing a scatternet over a plurality of piconets using different frequencies in a Wireless Personal Area Network (WPAN), comprising the steps of:
- (a) a master of a first piconet transmitting a scatternet request to a shared slave, and the shared slave switching a frequency thereof to a frequency of a second piconet and relaying the scatternet request to a master of the second piconet;
(b) the master of the second piconet transmitting scatternet approval to the shared slave;
(c) the shared slave switching the frequency to a frequency of the first piconet, relaying the scatternet approval to the master of the first piconet, and being allocated resources, which do not overlap each other, by the masters of the first piconet and the second piconet; and
(d) the shared slave switching frequencies and relaying data between the first piconet and the second piconet while synchronizing with both the first piconet and the second piconet using allocated resources.
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Abstract
The present invention relates to a method of implementing a scatternet over a plurality of piconets using different frequencies in a Wireless Personal Area Network (WPAN). In the scatternet implementation method of the present invention, a master of a first piconet transmits a scatternet request to a shared slave, and the shared slave switches a frequency thereof to a frequency of a second piconet and relays the scatternet request to a master of the second piconet. The master of the second piconet transmits scatternet approval to the shared slave. The shared slave switches the frequency to a frequency of the first piconet, relays the scatternet approval to the master of the first piconet, and is allocated resources, which do not overlap each other, by the masters of the first piconet and the second piconet. The shared slave switches frequencies and relays data between the first piconet and the second piconet while synchronizing with both the first piconet and the second piconet using allocated resources.
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Citations
9 Claims
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1. A method of implementing a scatternet over a plurality of piconets using different frequencies in a Wireless Personal Area Network (WPAN), comprising the steps of:
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(a) a master of a first piconet transmitting a scatternet request to a shared slave, and the shared slave switching a frequency thereof to a frequency of a second piconet and relaying the scatternet request to a master of the second piconet;
(b) the master of the second piconet transmitting scatternet approval to the shared slave;
(c) the shared slave switching the frequency to a frequency of the first piconet, relaying the scatternet approval to the master of the first piconet, and being allocated resources, which do not overlap each other, by the masters of the first piconet and the second piconet; and
(d) the shared slave switching frequencies and relaying data between the first piconet and the second piconet while synchronizing with both the first piconet and the second piconet using allocated resources. - View Dependent Claims (2, 3, 4)
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5. A method of implementing a scatternet over a plurality of piconets performing IEEE 802.15.3 communication using different frequencies, comprising the steps of:
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(a) a master of a first piconet transmitting a scatternet request to a shared slave, and the shared slave switching a frequency thereof to a frequency of a second piconet and relaying the scatternet request to a master of the second piconet;
(b) the master of the second piconet transmitting scatternet approval to the shared slave;
(c) the shared slave switching the frequency to a frequency of the first piconet, relaying the scatternet approval to the master of the first piconet, and being allocated resources, which do not overlap each other, by the masters of the first piconet and the second piconet; and
(d) the shared slave switching frequencies and relaying data between the first piconet and the second piconet while synchronizing with both the first piconet and the second piconet using allocated resources. - View Dependent Claims (6, 7, 8)
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9. A method of implementing a scatternet over a plurality of piconets performing IEEE 802.15.3 communication using different frequencies, comprising the steps of:
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(a) a master of a first piconet transmitting a scatternet request to a shared slave, and the shared slave switching a frequency thereof to a frequency of a second piconet and relaying the scatternet request to a master of the second piconet;
(b) the master of the second piconet transmitting scatternet approval to the shared slave;
(c) the shared slave switching the frequency to the frequency of the first piconet and relaying the scatternet approval to the master of the first piconet; and
(d) the shared slave performing synchronization at the time of switching frequencies between the first and second piconets, and relaying data between the first and second piconets using resources allocated through the synchronization.
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Specification