Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/198376
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- Title
- Space-time block code and spatial multiplexing design for Quadrature-OFDMA systems
- Related
- IEEE transactions on communications, Vol. 60, No. 10, (2012), p.3133-3142
- DOI
- 10.1109/TCOMM.2012.071312.110544
- Publisher
- IEEE
- Date
- 2012
- Author/Creator
- Lin, Luo
- Author/Creator
- Zhang, Jian (Andrew)
- Author/Creator
- Davis, Linda M
- Description
- To alleviate the high peak-to-average power ratio (PAPR), high complexity in user terminal and sensitivity to carrier frequency offset (CFO) problems in current orthogonal frequency division multiple access (OFDMA) systems, a Quadrature OFDM (Q-OFDMA) system has been recently proposed in the single-input single-output environment. In this paper we study the realization of multi-input multi-output (MIMO) diversity- and multiplexing- oriented methods for Q-OFDMA systems. An Alamouti-like space-time block code (STBC) and simple detection for spatial multiplexing (SM) for Q-OFDMA systems are constructed, both zero forcing (ZF) and minimum mean square error (MMSE) equalizers are investigated. The proposed STBC is a full diversity scheme, which encodes in intermediate domain and decodes in frequency domain. Analytical and empirical results demonstrate that the Q-OFDMA systems can be implemented flexibly and efficiently in a MIMO framework, and the proposed scheme can be easily applied in OFDMA and Single-Carrier Frequency Division Multiple Access (SC-FDMA) by adjusting the parameters of Q-OFDMA.
- Description
- 10 page(s)
- Subject Keyword
- Alamouti
- Subject Keyword
- PAPR
- Subject Keyword
- Q-OFDMA
- Subject Keyword
- space-time block code
- Subject Keyword
- spatial multiplexing
- Resource Type
- journal article
- Organisation
- Macquarie University. Dept. of Electronic Engineering
- Identifier
- http://hdl.handle.net/1959.14/198376
- Identifier
- ISSN:0090-6778
- Identifier
- mq_res-ext-ieee201211281230-34
- Language
- eng
- Reviewed
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