| Paper: | SPCOM-P5.1 | ||
| Session: | MIMO Capacity Maximization/Space-Time Coding | ||
| Time: | Wednesday, May 19, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communications: Capacity and Performance Analysis, Optimization, and Bounds | ||
| Title: | TRANSMIT OPTIMIZATION FOR MIMO CHANNELS WITH MIXED DELAY-CONSTRAINED AND NO-DELAY-CONSTRAINED SERVICES | ||
| Authors: | Ying-Chang Liang; Institute for Infocomm Research | ||
| Rui Zhang; Stanford University | |||
| Abstract: | This paper studies the transmit optimization problem for MIMO channels with mixed delay-constrained (DC) and no-delay-constrained (NDC) services. Suppose that perfect channel state information is available to both transmitter and receiver sides, we propose a transmission scheme based on sub-channel grouping (SCG) technique together with different power control policies designed for the grouped channels generated by SCG to support either DC or NDC services. Optimal and sub-optimal power allocation strategies are proposed. Computer simulations are given to evaluate the capacity achieved by the proposed scheme as well as to evaluate the throughput performance when practicalbit-loading algorithms are applied. | ||
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