| Presentation | 2011-06-09 High-Speed Sorted QR Decomposition for MIMO Wireless Communication Systems Yuya MIYAOKA, Yuhei NAGAO, Masayuki KUROSAKI, Hiroshi OCHI, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In this paper, we propose a high-speed sorted QR decomposition architecture for 4 x 4 MIMO wireless communication systems. This architecture can be applied in high-throughput MIMO-OFDM system such as IEEE802.11n. QR decomposition (QRD) is commonly used in many MIMO detection algorithms. In particular, sorted QR decomposition (SQRD) is the advanced algorithm to improve MIMO detection performance. We designed an SQRD hardware architecture by using modified Gram-Schmidt algorithm with pipelining and recursive processing. The proposed architecture makes efficient use of some function blocks recursively by scheduling data flow. We implemented the proposed architecture with 178.88K gates in 9Onm CMOS technology. The proposed design can achieve high performance up to 40.85 million SQRD per second with the maximum operating frequency of 245 MHz. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Sorted QR Decomposition / MIMO / VLSI Implementation / OFDM |
| Paper # | SIS2011-8 |
| Date of Issue |
| Conference Information | |
| Committee | SIS |
|---|---|
| Conference Date | 2011/6/2(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Smart Info-Media Systems (SIS) |
|---|---|
| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High-Speed Sorted QR Decomposition for MIMO Wireless Communication Systems |
| Sub Title (in English) | |
| Keyword(1) | Sorted QR Decomposition |
| Keyword(2) | MIMO |
| Keyword(3) | VLSI Implementation |
| Keyword(4) | OFDM |
| 1st Author's Name | Yuya MIYAOKA |
| 1st Author's Affiliation | Dept. of Computer Science and Electronics, Kyushu Institute of Technology() |
| 2nd Author's Name | Yuhei NAGAO |
| 2nd Author's Affiliation | Dept. of Computer Science and Electronics, Kyushu Institute of Technology |
| 3rd Author's Name | Masayuki KUROSAKI |
| 3rd Author's Affiliation | Dept. of Computer Science and Electronics, Kyushu Institute of Technology |
| 4th Author's Name | Hiroshi OCHI |
| 4th Author's Affiliation | Dept. of Computer Science and Electronics, Kyushu Institute of Technology |
| Date | 2011-06-09 |
| Paper # | SIS2011-8 |
| Volume (vol) | vol.111 |
| Number (no) | 78 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |