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ICC
2007
IEEE
16 years 1 months ago
Linear Precoding with Minimum BER Criterion for MIMO-OFDM Systems Employing ML Detection
Abstract— This paper proposes a new MIMO-OFDM precoding method that minimizes BER of the maximum likelihood detection (MLD). Conventional MIMO precoding methods can approximately...
Boonsarn Pitakdumrongkija, Kazuhiko Fukawa, Hirosh...
ICC
2007
IEEE
167views Communications» more  ICC 2007»
16 years 1 months ago
Precoding for Multiuser Orthogonal Space-Time Block-Coded OFDM: Mean or Covariance Feedback?
Abstract— This paper presents precoding design for errorrate improvement in closed-loop multiuser orthogonal space-time block-coded (OSTBC) multiple-input multiple-output (MIMO) ...
Yu Fu, Witold A. Krzymien, Chintha Tellambura
ISCAS
2007
IEEE
142views Hardware» more  ISCAS 2007»
16 years 1 months ago
Effect of Word-length Precision on the Performance of MIMO Systems
Abstract—In this paper, we investigate the effect of quantization noise and roundoff errors involved in finite-precision (FP) signal processing on the performance of multiple-in...
Chitranjan K. Singh, Naofal Al-Dhahir, Poras T. Ba...
MOBIQUITOUS
2007
IEEE
16 years 1 months ago
Securing Cooperative Transmission in Wireless Communications
Abstract— Cooperative transmission is an emerging communication technique that takes advantages of spatial diversity and broadcast natures of wireless channels to improve wireles...
Zhu Han, Yan Lindsay Sun
SECON
2007
IEEE
16 years 1 months ago
Foxtrot: phase space data representation for correlation-aware aggregation
Abstract— Most existing work in aggregation and querying for sensor network data has focused on the use of standard statistical operations (average, median, etc) to reduce the qu...
Tom Parker, Koen Langendoen