Ranging method and apparatus in a communication system with...

Details Ranging method and apparatus in a communication system with... Ranging method and apparatus in a communication system with...

2011-04-12

2011-04-12

Rego, Dominic E (Department: 2618)

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

C455S013100, C370S279000, C370S315000

Reexamination Certificate

active

07925207

ABSTRACT:
A method for performing ranging by a mobile station in a communication system. The method includes transmitting a ranging sequence to a relay station; receiving an added signal of a reference sequence of the relay station and the ranging sequence, from the relay station; performing a correlation operation on each of the ranging sequence and the reference sequence in the added signal; estimating a time difference between the ranging sequence and the reference sequence depending on the correlation operation; and transmitting the signal to the relay station taking the time difference into account.

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