Methods and apparatuses for providing a stable wideband noise signal
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United States of America Patent
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Oct 23, 2012
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N/A
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
Expired
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Abstract
Methods and apparatuses for determining uplink receive signal path characteristics in a wireless communication system are disclosed. In one embodiment, a tower-top noise source (TTNS) is provided such that it is permanently affixed in close proximity to a receive antenna. The TTNS preferably has an output that includes a wideband noise signal having predetermined characteristics. The TTNS output is selectively connected to a receive signal path that includes a tower-top low-noise amplifier (TTLNA). An altered version of the wideband noise signal is received at the output of the receive signal path, and a characteristic of the altered wideband noise signal is measured.
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