Space-time differential modulation using linear constellation precoding

Alfonso Cano; Xiaoli Ma; Georgios B Giannakis

doi:10.1109/ICC.2006.255262

Space-time differential modulation using linear constellation precoding

Alfonso Cano, Xiaoli Ma, Georgios B Giannakis

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Scopus citations

Abstract

Differential encoding is known to simplify receiver implementation because it by-passes channel estimation. Relying on linear constellation precoders designed in closed-form for coherent multi-antenna systems, we derive a non-constant modulus space-time differential scheme that enables diversity, does not sacrifice rate, and more interestingly, it allows for constellation designs with many degrees of freedom. Performance merits of this scheme are analyzed and compared with existing differential designs. Simulations corroborate our theoretical findings.

Original language	English (US)
Title of host publication	2006 IEEE International Conference on Communications, ICC 2006
Pages	2991-2995
Number of pages	5
Volume	7
DOIs	https://doi.org/10.1109/ICC.2006.255262
State	Published - Dec 1 2006
Event	2006 IEEE International Conference on Communications, ICC 2006 - Istanbul, Turkey Duration: Jul 11 2006 → Jul 15 2006

Other

Other	2006 IEEE International Conference on Communications, ICC 2006
Country	Turkey
City	Istanbul
Period	7/11/06 → 7/15/06

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10.1109/ICC.2006.255262

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AU - Ma, Xiaoli

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N2 - Differential encoding is known to simplify receiver implementation because it by-passes channel estimation. Relying on linear constellation precoders designed in closed-form for coherent multi-antenna systems, we derive a non-constant modulus space-time differential scheme that enables diversity, does not sacrifice rate, and more interestingly, it allows for constellation designs with many degrees of freedom. Performance merits of this scheme are analyzed and compared with existing differential designs. Simulations corroborate our theoretical findings.

AB - Differential encoding is known to simplify receiver implementation because it by-passes channel estimation. Relying on linear constellation precoders designed in closed-form for coherent multi-antenna systems, we derive a non-constant modulus space-time differential scheme that enables diversity, does not sacrifice rate, and more interestingly, it allows for constellation designs with many degrees of freedom. Performance merits of this scheme are analyzed and compared with existing differential designs. Simulations corroborate our theoretical findings.

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BT - 2006 IEEE International Conference on Communications, ICC 2006

T2 - 2006 IEEE International Conference on Communications, ICC 2006

Y2 - 11 July 2006 through 15 July 2006

ER -

Space-time differential modulation using linear constellation precoding

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