| 摘要 |
A method (and corresponding equipment) for determining either a downlink delay in communicating packets via a packet-conveying network from a sender ( 11 ) to a receiver ( 12 ) or the corresponding uplink delay, or both, but separately from each other, the method including: steps ( 21 22 23 24 ) in which the sender ( 11 ) and receiver ( 12 ) exchange a first and second pair of packets ( 14 a-b 15 a-b) consisting of respective first and second uplink packets ( 14 a 15 a) and a first and second downlink packets ( 14 b 15 b), and also determines round trip times (t_A t_B) for the two exchanges; with the exchanges made using packet sizes such that at least either the first and second uplink packets ( 14 a 15 a) or the first and second downlink packets ( 14 b 15 b) differ in size from each other.
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