In this contribution, we develop a single Multiple-Input Multiple Output (MIMO) transceiver for Orthogonal PPM (OPPM) data transmitted over (baseband) faded MIMO channels with a priori unknown path-gains. The signaling-scheme we adopt allows to equip the Maximum-Likelihood receiver with reliable estimates of the (possibly time-varying) MIMO channel, without reducing the conveyed information throughput. Hence, after evaluating the performance of the proposed transceiver via a suitable version of the Union-Chernoff Bound, we introduce a novel family of unitary orthogonal Space-Times Block Codes (e.g., the Space-Time OPPM codes), that are able to attain both maximum diversity and coding gains. Afterwards, we present closed-form formulas for evaluating the SNR loss induced by mistiming effects possibly impairing the received signals. Lastly, we report several numerical results supporting both the medium/long coverage ranges attained by the proposed transceiver in outdoor applications and its performance robustness against correlated channel fading, mistiming effects and degradation induced by dense-multipath fading. © 2007 Springer Science+Business Media, LLC.

A new family of optimized orthogonal Space-Times codes for PPM-based MIMO systems with imperfect channel estimates / Baccarelli, E.; Biagi, M.; Pelizzoni, C.; Cordeschi, N.. - In: WIRELESS PERSONAL COMMUNICATIONS. - ISSN 0929-6212. - 43:4(2007), pp. 1071-1091. [10.1007/s11277-007-9284-1]

A new family of optimized orthogonal Space-Times codes for PPM-based MIMO systems with imperfect channel estimates

Cordeschi N.
2007-01-01

Abstract

In this contribution, we develop a single Multiple-Input Multiple Output (MIMO) transceiver for Orthogonal PPM (OPPM) data transmitted over (baseband) faded MIMO channels with a priori unknown path-gains. The signaling-scheme we adopt allows to equip the Maximum-Likelihood receiver with reliable estimates of the (possibly time-varying) MIMO channel, without reducing the conveyed information throughput. Hence, after evaluating the performance of the proposed transceiver via a suitable version of the Union-Chernoff Bound, we introduce a novel family of unitary orthogonal Space-Times Block Codes (e.g., the Space-Time OPPM codes), that are able to attain both maximum diversity and coding gains. Afterwards, we present closed-form formulas for evaluating the SNR loss induced by mistiming effects possibly impairing the received signals. Lastly, we report several numerical results supporting both the medium/long coverage ranges attained by the proposed transceiver in outdoor applications and its performance robustness against correlated channel fading, mistiming effects and degradation induced by dense-multipath fading. © 2007 Springer Science+Business Media, LLC.
2007
A new family of optimized orthogonal Space-Times codes for PPM-based MIMO systems with imperfect channel estimates / Baccarelli, E.; Biagi, M.; Pelizzoni, C.; Cordeschi, N.. - In: WIRELESS PERSONAL COMMUNICATIONS. - ISSN 0929-6212. - 43:4(2007), pp. 1071-1091. [10.1007/s11277-007-9284-1]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/240877
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