B
Balaji Sundar Rajan
Researcher at Indian Institute of Science
Publications - 102
Citations - 3191
Balaji Sundar Rajan is an academic researcher from Indian Institute of Science. The author has contributed to research in topics: Block code & Space–time block code. The author has an hindex of 25, co-authored 102 publications receiving 3127 citations.
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Full-diversity, high-rate space-time block codes from division algebras
TL;DR: Two ways of embedding noncommutative division algebras into matrices: left regular representation, and representation over maximal cyclic subfields are discussed.
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Single-symbol maximum likelihood decodable linear STBCs
Md.Z.A. Khan,Balaji Sundar Rajan +1 more
TL;DR: All linear STBCs, that allow single-symbol ML decoding (not necessarily full-diversity) over quasi-static fading channels are characterized by calling them single-Symbol decodable designs (SDD), which are characterized and classified.
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Layered Tabu Search Algorithm for Large-MIMO Detection and a Lower Bound on ML Performance
TL;DR: A lower bound on the maximum-likelihood (ML) bit error performance using the local neighborhood search is obtained using the proposed low-complexity algorithm for large-MIMO detection based on a layered low- complexity localNeighborhood search.
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STBC-schemes with nonvanishing determinant for certain number of transmit antennas
TL;DR: This correspondence presents a systematic technique for constructing STBC-schemes with nonvanishing determinant, based on cyclic division algebras, and shows that the class of STBCs constructed in this correspondence achieve the optimal DM-G tradeoff.
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On Two-User Gaussian Multiple Access Channels With Finite Input Constellations
J. Harshan,Balaji Sundar Rajan +1 more
TL;DR: For finite constellations, a No-MA scheme such as TCMA is better than FDMA and TDMA which makes NO-MA schemes worth pursuing in practice for two-user GMAC.