Iterative multi-stage detection technique for a diversity...

Details Iterative multi-stage detection technique for a diversity... Iterative multi-stage detection technique for a diversity...

2007-04-02

2008-10-07

Tran, Pablo N (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

C455S103000, C455S131000, C455S137000, C370S208000, C375S148000

Reexamination Certificate

active

07433659

ABSTRACT:
An iterative multistage detection system and method for orthogonally multiplexing K channels onto a signal processing chain using N orthogonal sequences of length N. The K channels include a first set of N channels and a second set of M channels (the M channels being separate and distinct from the N channels), where K=N+M. In a first iteration, interference from the first set of N channels imparted on the second set of M channels is removed from the multiplexed signal, thereby enabling the symbol values associated with the second set of M channels to be reliably estimated. In a second iteration, interference from the second set of M channels imparted on the first set of N channels is removed from the first set of N channels, thereby enabling the symbol values associated with the first set of N channels to be reliably estimated.

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International Search Report for PCT/US03/26933, mailed Mar. 8, 2004.

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