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Patent Number: 6445692
Title: Blind adaptive algorithms for optimal minimum variance CDMA receivers
Inventors: Michail K. Tsatsanis
Abstract: The present invention utilizes a filter that works on an algorithm that filters out multiuser and multi-path interference. The algorithm is programmed into the DSP processors of receiver handsets and base stations in cellular and multihop wireless radio networks which use the CDMA technology. It can also be implemented in hardware. Additionally, the invention works in a blind manner such that it learns without requiring training samples. The algorithm can be expressed as updating the receiver parameter vector f(n) as:
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