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- In radio technology, symmetrical double-sided two-way ranging (SDS-TWR) is a ranging method that uses two delays that naturally occur in signal transmission to determine the range between two stations:
* Signal propagation delay between two wireless devices
* Processing delay of acknowledgements within a wireless device This method is called symmetrical double-sided two-way ranging, because:
* It is symmetrical in that the measurements from station A to station B are a mirror-image of the measurements from station B to station A (ABA to BAB).
* It is double-sided in that only two stations are used for ranging measurement – station A and station B.
* It is two-way in that a data packet (called a test packet) and an ACK packet is used. (en)
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- In radio technology, symmetrical double-sided two-way ranging (SDS-TWR) is a ranging method that uses two delays that naturally occur in signal transmission to determine the range between two stations:
* Signal propagation delay between two wireless devices
* Processing delay of acknowledgements within a wireless device This method is called symmetrical double-sided two-way ranging, because: (en)
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- Symmetrical double-sided two-way ranging (en)
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