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Abstract--Weight and size are the bottlenecks of portable wireless systems which are in turn dependent on area and
 

Summary: Abstract--Weight and size are the bottlenecks of portable
wireless systems which are in turn dependent on area and
power consumption of electronic systems. The situation becomes
even worse if wireless systems are equipped with Multiple Input
and Multiple Output (MIMO) technology which involves highly
complex signal processing. This paper proposes an area and
power efficient VLSI architecture for computing the pseudo
inverse of augmented channel matrix used in MIMO systems.
Results indicate 25% area and 24% power reduction compared
to previous architecture in the literature without degrading the
BER performance.
1. INTRODUCTION
Multiple Input - Multiple Output (MIMO) wireless
communication is a new technology that promises to remove
the limits and frustrations of wireless networks by providing
spectral efficiency near Shannon's bound [1]. MIMO
multiplies range, reliability and data speed of existing
wireless systems [2]. Because of its advantages, MIMO is
entering into almost every wireless network such as
CDMA2000, and WCDMA as example [2]. However, such

  

Source: Arslan, Tughrul - School of Engineering and Electronics, University of Edinburgh

 

Collections: Engineering