Wireless LAN White Papers
Space-Time Block-Coded OFDMA With Linear Precoding for Multirate Services
Overview Relying on space-time linearly precoded orthogonal frequency-division multiple access (OFDMA) and exploiting both transmit and receive antenna diversity, this paper designs herein multirate transceivers that guarantee deterministic symbol recovery with diversity gains regardless of the (possibly unknown) frequency-selective finite impulse response (FIR) channels and multiuser interference. The approach presented in this paper is based on a three-level design of user codes: the top level (based on OFDMA) handles multiuser interference, the middle level (based on space-time block coding) results in space-time diversity gains, and the lower level (based on linear precoding) mitigates intersymbol interference (ISI).
| Publisher | Institute of Electrical and Electronics Engineers | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | January 2002 | Downloads | 3 |
| Format | White Papers | ||
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