Redpine Signals, Inc.

Phanimithra Gangalakurthi

Sundaram Vanka

Partha Sarathy Murali

Logeshwaran Vijayan

A process for equalizing streams of OFDM subcarrier data computes the noise variance for each stream, and forms a stream weighting coefficient by equalizing the noise variance, such that for a first stream having a noise variance &#x3c3;and a second stream having a noise variance of &#x3c3;, the first stream is scaled by and the second stream is scaled by 

Stream weight estimation and compensation in SIMO/MIMO OFDM receivers

A Reed Solomon decoder utilizes re-configurable and re-usable components in a granular configuration which provides an upper array and a lower array of repeated Reconfigurable Elementary Units (REU) which in conjunction with a FIFO can be loaded with syndromes and correction terms to decode Reed Solomon codewords. The upper array of REUs and lower array of REUs handle the Reed Solomon decoding steps in a pipelined manner using systolic REU structures. The repeated REU includes the two registers, two Galois Field adders, a Galois Field multiplier, and multiplexers to interconnect the elements. The REU is then able to perform each of the steps required for Reed-Solomon decoder through reconfiguration for each step using the multiplexers to reconfigure the functions. In this manner, a reconfigurable computational element may be used for each step of the Reed-Solomon decoding process.

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Hyderabad Telangana, India

Phanimithra Gangalakurthi