Novel systolic array architecture for the decorrelator using conjugate gradient for least squares algorithm

The decorrelator is a linear transform that can be used in multi-user detection receivers in cellular networks to increase the capacity of the base-station receiver. It has been shown that the decorrelation operation can be performed using iterative methods that do not require computation-intensive...

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Bibliographic Details
Main Authors: Chidanandan, A., Bayoumi, M.A.
Format: Conference Proceeding
Language:English
Subjects:
3G mobile communication
Computer architecture
Decorrelation
Iterative algorithms
Iterative methods
Land mobile radio cellular systems
Least squares methods
Multiuser detection
Systolic arrays
Throughput
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Description
Summary:The decorrelator is a linear transform that can be used in multi-user detection receivers in cellular networks to increase the capacity of the base-station receiver. It has been shown that the decorrelation operation can be performed using iterative methods that do not require computation-intensive inverse matrix computation. We propose a high throughput systolic array architecture for the decorrelator receiver, which meets the throughput demands of 3G mobile communications systems.
ISSN:0271-4302
2158-1525
DOI:10.1109/ISCAS.2005.1465866