Slotted mode code usage in a cellular communications system
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United States of America Patent
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Jan 15, 2002
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N/A
app pub date -
Nov 3, 1998
filing date -
Nov 3, 1998
priority date (Note) -
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Abstract
The downlink channelization code limitation problem encountered in spread spectrum or CDMA cellular systems is resolved by using codes from a different, non-orthogonal code set when operating in the slotted mode. The non-orthogonal code sets can be constructed by using the same channelization code tree, but applying a different scrambling code.
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