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Walsh code
The Walsh code is used to uniquely define individual communication channels. Walsh codes are “orthogonal” mathematical codes. As such, if two Walsh codes are correlated, the result is intelligible only if these two codes are the same. As a result, a Walsh-encoded signal appears as random noise to a PCS CDMA capable mobile terminal, unless that terminal uses the same code as the one used to encode the incoming signal.
See also
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details