Processing device for a pseudo inverse matrix and V-BLAST...

Details Processing device for a pseudo inverse matrix and V-BLAST... Processing device for a pseudo inverse matrix and V-BLAST...

2004-10-21

2009-08-04

Bullock, Jr., Lewis A (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S607000, C375S340000

Reexamination Certificate

active

07571203

ABSTRACT:
Disclosed is a V-BLAST system for a MIMO communication system.In the V-BLAST system for a MIMO communication system, a pseudo inverse matrix calculator receives a channel transfer function matrix including channel information and produces a cofactor matrix and a determinant for a pseudo inverse matrix. A norm & minimum calculator calculates a minimum index for the cofactor matrix outputted from the pseudo inverse matrix calculator, a weight vector selector selects a row vector having the minimum index and calculates a transposed matrix for the row vector; an adder adds the transposed matrix to a received input symbol, and a subtractor subtracts the determinant to the output. A demapper performs a determined function operation to the output and produces estimated information.

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“V-Blast: An Architecture for Realizing Very High Date Rates Over the Rich-Scattering Wireless Channel”, P. Wolniansky, et al., 1998 IEEE, pp. 295-300.

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