Sciweavers

2101 search results - page 18 / 421
» Improving the performance of DSP systems for MIMO processing
Sort
View
CISS
2008
IEEE
14 years 1 months ago
Adaptive codebook for beamforming in limited feedback MIMO systems
—We propose a new scheme for limited feedback in MIMO systems. We consider transmit beamforming and receiver maximal ratio combining as a base for our work, and propose a novel b...
Kiarash Amiri, Davood Shamsi, Behnaam Aazhang, Jos...
TIT
2010
163views Education» more  TIT 2010»
13 years 2 months ago
Power-controlled feedback and training for two-way MIMO channels
Most communication systems use some form of feedback, often related to channel state information. The common models used in analyses either assume perfect channel state information...
Vaneet Aggarwal, Ashutosh Sabharwal
ASPDAC
2004
ACM
120views Hardware» more  ASPDAC 2004»
14 years 22 days ago
Compiler based exploration of DSP energy savings by SIMD operations
— The growing use of digital signal processors (DSPs) in embedded systems necessitates the use of optimizing compilers supporting their special architecture features. Beside the ...
Markus Lorenz, Peter Marwedel, Thorsten Dräge...
PERCOM
2010
ACM
13 years 9 months ago
Collaborative real-time speaker identification for wearable systems
We present an unsupervised speaker identification system for personal annotations of conversations and meetings. The system dynamically learns new speakers and recognizes already k...
Mirco Rossi, Oliver Amft, Martin Kusserow, Gerhard...
TSE
2012
11 years 9 months ago
Does Software Process Improvement Reduce the Severity of Defects? A Longitudinal Field Study
— As firms increasingly rely on information systems to perform critical functions the consequences of software defects can be catastrophic. Although the software engineering lite...
Donald E. Harter, Chris F. Kemerer, Sandra Slaught...