| Paper: | SAM-P6.3 | ||
| Session: | Space-Time Processing for Communications | ||
| Time: | Thursday, May 20, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Sensor Array and Multichannel Signal Processing: Array processing for wireless communications | ||
| Title: | STRUCTURE-BASED WATER-FILLING ALGORITHM IN MULTIPATH MIMO CHANNELS | ||
| Authors: | Ching-Shyang Maa; National Tsing Hua University | ||
| Yeong-Cheng Wang; National Tsing Hua University | |||
| Jiunn-Tsair Chen; National Tsing Hua University | |||
| Abstract: | Recent information theory has shown thatemploying multiple antennas at both sides of a wireless channelpromises enormous capacity potential. With channel stateinformation (CSI) at the transmitter, eigen-beamforming is theoptimal coding scheme to exploit this potential. However, innonstationary wireless environments, high complexity on MIMO(multiple input multiple output) channel tracking and largeamounts of CSI feedback render such an approach impractical. Inthis paper, by exploiting the wireless multipath channel structurecharacterized by the path delays and the pathdirections-of-departure/arrival (DODs/DOAs), a new space-time transmit scheme, structure-based water-filling, isproposed. Furthermore, outage capacity as the measure ofachievable performance is evaluated to confirm the proposedtransmit scheme. | ||
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