Abstract
This paper considers MIMO-OFDM transmission with low density parity check (LDPC) codes. We employ a low complexity minimum mean-square-error (MMSE) soft-interference-cancelation (SIC) based double iterative receiver (DIR). Results are presented for a real system implementation at 5.2 GHz. We achieve zero packet errors at 90% of the measured indoor locations, when transmitting at 600 Mbit/s, with 15 bit/s/Hz spectral efficiency and 26 dB signal-to-noise ratio. We show that the proposed receiver actually outperforms a list sphere detection (LSD) based single iterative receiver (SIR) at high coding rates, in practice. Investigations reveal that the LSDSIR is adversely affected by the non-Gaussian noise present at the receiver, while at the same time the MMSE-SIC-DIR is better able to handle transmitter noise present in the practical system.
| Original language | English |
|---|---|
| Title of host publication | 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009 |
| Place of Publication | Piscataway, NJ |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| Pages | 2469-2473 |
| Number of pages | 5 |
| ISBN (Print) | 9781424451234 |
| DOIs | |
| Publication status | Published - 2009 |
| Externally published | Yes |
| Event | 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009 - Tokyo, Japan Duration: 13 Sept 2009 → 16 Sept 2009 |
Other
| Other | 2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009 |
|---|---|
| Country/Territory | Japan |
| City | Tokyo |
| Period | 13/09/09 → 16/09/09 |
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