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Kumar Balachandran

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vehicular technology conference | 2009

A Physical Layer Abstraction for Maximum Likelihood Demodulation of MIMO Signals

Rajaram Ramesh; Havish Koorapaty; Jung-Fu Cheng; Kumar Balachandran

We develop a physical layer abstraction to model the performance of MIMO with maximum likelihood demodulation (MLD) in a system simulation. MLD is inherently a non-linear process, and thus it is difficult to find a linear abstraction to its performance. The abstraction is based on bounds on performance obtained from the QR & QL decompositions of the channel. The accuracy of the abstraction is demonstrated using link simulations. In addition, the abstraction has low complexity. The model is used in a system simulation to evaluate the gains obtained with MLD.

Archive | 1997

Decoder utilizing soft information output to minimize error rates

Amer A. Hassan; Ali S. Khayrallah; Yi-Pin Eric Wang; Kumar Balachandran; Rajaram Ramesh

Archive | 1999

System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codes

Kumar Balachandran; Rajaram Ramesh; Havish Koorapaty; Eric Wang; Sandeep Chennakeshu; Amer A. Hassan

Archive | 1998

Methods, apparatus and computer program products for packet transport over wireless communication links

Kumar Balachandran; Havish Koorapaty; David R. Irvin

Archive | 1999

Methods and systems for decoding headers that are repeatedly transmitted and received along with data on a radio channel

Kumar Balachandran

Archive | 1996

Method and apparatus for encoding and decoding digital information

Yi-Pin Eric Wang; Sandeep Chennakeshu; Paul W. Dent; Kumar Balachandran

Archive | 1999

Splitter-less digital subscriber loop modems with improved throughput and voice and data separation

Kumar Balachandran; Nils Rydbeck; R. David Koilpillai

Archive | 1997

System and method for the non-sequential transmission of control signals within a speech transmission

Kumar Balachandran; Paul W. Dent

Archive | 2000

Systems, methods, and computer program products for providing traffic frequency diversification in a cellular communication system

Kumar Balachandran; Rajaram Ramesh

Archive | 1998

Method for measuring received signal quality in a mobile wireless communication system

Ram Asokan; Kumar Balachandran

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Sandeep Chennakeshu

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Paul W. Dent

Ericsson

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Rajaram Ramesh

Ericsson

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Havish Koorapaty

Research Triangle Park

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Ali S. Khayrallah

Ericsson

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Amer A. Hassan

Research Triangle Park

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Yi-Pin Eric Wang

Research Triangle Park

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Eric Wang

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Yi-Pin E. Wang

Research Triangle Park

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David R. Irvin

Research Triangle Park

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