OFDMA capacity analysis and subcarrier allocation in MIMO Channels

Conference: European Wireless 2008 - 14th European Wireless Conference
06/22/2008 - 06/25/2008 at Prague, Czech Republic

Proceedings: European Wireless 2008

Pages: 5Language: englishTyp: PDF

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Li, Hongxiang; Kim, Younsun; Liu, Hui (Department of Electrical Engineering, University of Washington, Seattle, Washington)

This paper studies the performance of orthogonal frequency division multiple access (OFDMA) in the multiuser multicarrier MIMO (M3) system for both uplink (UL) and downlink (DL) channels.We numerically quantify the performance gap between OFDMA and the optimal multicarrier solution. We also derive simple but near optimal algorithms to solve the generic OFDMA resource allocation problem in different scenarios.