A Geodesic Descent Technique for PAPR Reduction in MIMO-OFDM

被引：0

作者：

Beko, Marko ^{[1
,2
]}

Dinis, Rui ^{[3
,4
]}

Dimic, Goran ^{[5
]}

Tuba, Milan ^{[6
]}

Montezuma, Paulo ^{[3
,4
]}

机构：

[1] Univ Lusofona Humanidades & Tecnol, Campo Grande 376, P-1749024 Lisbon, Portugal

[2] CTS UNINOVA, P-2829516 Monte De Caparica, Caparica, Portugal

[3] Inst Telecomunicacoes, P-1049001 Lisbon, Portugal

[4] Univ Nova Lisboa, Dept Engn Electrotecn, CTS UNINOVA, FCT, P-2829516 Caparica, Portugal

[5] Univ Belgrade, Mihailo Pupin Inst, Belgrade 11050, Serbia

[6] John Naisbitt Univ, Grad Sch Comp Sci, Belgrade 11070, Serbia

来源：

2015 23RD TELECOMMUNICATIONS FORUM TELFOR (TELFOR) | 2015年

关键词：

Geodesic Descent; MIMO; OFDM; PAPR; AVERAGE POWER RATIO;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, we present a geodesic descent technique for reducing the peak-to-average power ratio (PAPR) reduction of multi-input, multi-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems where each OFDM block is decomposition sets of subcarriers, each one weighted by a different complex factor. We present a new iterative sphere-geodesic descent method for obtaining these weighting factors so as to minimize the PAPR of the transmitted signals. This method, makes an efficient use of the Riemannian structure of the power constraint. Our performance results show that our technique allows good trade-off between the PAPR reduction and the bit error rate (BER) performance.

引用

页码：492 / 495

页数：4

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