Method and apparatus for co-channel interference...

Details Method and apparatus for co-channel interference... Method and apparatus for co-channel interference...

2005-08-16

2005-08-16

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S067130, C455S063100, C455S063400, C455S297000, C342S368000

Reexamination Certificate

active

06931235

ABSTRACT:
Co-channel interference in a wireless network is identified and quantified. Rather that using color code identification, a more reliable identification property of each co-channel component of the received composite signal is used, namely, the time of arrival of a known part of a signal. Detection and timing measurement is performed even in presence of stronger signals by focusing selectively on bursts having fixed contents (e.g., the FCCH burst used in GSM for frequency correction). The repetitive measurements of the time-of-arrival of each of the interfering components of the signal during a drive test enables determination of the geographical location of the interfering co-channel base stations.

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