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An Active Interference Canceller for Multistandard Collocated Radio
Overview This paper proposes a novel active interference cancellation system that allows simultaneous operation of multi-standard collocated radios. It addresses specifically, the coexistence problem of closely spaced Bluetooth and 802.11b WLAN radio systems on a mobile wireless device. The suggested technique uses a small replica of the aggressing signal tapped off from the transmit antenna to generate a cancellation signal across the entire receive band. A prototype of the solution has been implemented on an FR-4 board, which consists of an emulation filter to model the coupling channel; and amplitude, delay and phase alignment of the cancellation signal.
| Publisher | Georgia Institute of Technology | File Format | |
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| Date Published | December 2004 | Downloads | 2 |
| Format | White Papers | ||
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