Methods and apparatus for round trip time measurements

Details Methods and apparatus for round trip time measurements Methods and apparatus for round trip time measurements

2006-10-31

2010-11-30

Trost, IV, William (Department: 2472)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S241000, C713S150000, C713S168000, C726S002000, C726S003000, C726S004000, C726S011000, C726S014000

Reexamination Certificate

active

07843848

ABSTRACT:
In a method for measuring round trip time (RTT), an RTT measurement packet is transmitted to a destination node. The RTT from transmission of the RTT measurement packet to reception of a response from the destination node is measured to determine if the RTT is greater than a predetermined time period. If the RTT is greater than the predetermined time period, an RTT measurement packet is repeatedly retransmitted at a different time interval and the RTT is remeasured until either the RTT measurement packet has been transmitted a predetermined number of times or the RTT is not greater than the predetermined time period.

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Standard ECMA-368, High Rate Ultra Wideband PHY and MAC Standard, Dec. 2005, pp. 53-61, 72-73.

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