PROCESSING NODES AND METHODS OF ESTIMATING INTERFERENCE IN A RADIO TELECOMMUNICATION NETWORK
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United States of America Patent
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N/A
Issued Date -
Jun 28, 2012
app pub date -
Nov 6, 2009
filing date -
Nov 6, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A processing node (10) for a radio telecommunications network (1) comprising an input (11) for radio signals, a receiver (12) arranged to detect radio signals received at the input (11) and a code-detecting circuit (14) coupled to the receiver arranged to determine the presence of any of a first set of codes, typically preamble codes such as those employed in the UMTS system, in the received signal, in which the processing node (10) further comprises an interference-determining circuit (20) coupled to the receiver (12), arranged to perform a comparison of the received signals with a second set of codes that are orthogonal to the first set of codes. This can enable a determination of the impairment covariance in the received signals to be determined, and hence be used to suppress or whiten noise and interference.
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