Abstract
It has been shown that a complex orthogonal design that provides full diversity and full transmission rate is not possible for more than two transmit antennas. This paper presents a new class of quasi-orthogonal space-time block codes using a group-theoretic method. The new designs can achieve full diversity for quadrature phase-shift-keying modulation, like the system using the rotated constellations. Based upon the analysis of the new codes, a relaxed designing viewpoint for full diversity is proposed for arbitrary signal constellations.
| Original language | English |
|---|---|
| Pages (from-to) | 2922-2926 |
| Number of pages | 5 |
| Journal | IEEE International Conference on Communications |
| Volume | 5 |
| Publication status | Published - 2005 |
| Event | 2005 IEEE International Conference on Communications, ICC 2005 - Seoul, Korea, Republic of Duration: 2005 May 16 → 2005 May 20 |
Keywords
- Multi-antenna
- Space-time block codes
- Transmit diversity
- Wireless communications
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering
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