Iterative Frequency Domain Equalization for Single Carrier Signals with Magnitude Modulation Techniques

被引：0

作者：

Gomes, Marco ^{[1
,2
]}

Dinis, Rui ^{[1
,3
]}

Silva, Vitor ^{[1
,2
]}

Cercas, Francisco ^{[1
,4
]}

Tomlinson, Martin ^{[5
]}

机构：

[1] Inst Telecomunicacoes, Aveiro, Portugal

[2] Univ Coimbra, DEEC, P-3030290 Coimbra, Portugal

[3] FCT UNL, P-2829516 Caparica, Portugal

[4] ISCTE IUL, P-1649026 Lisbon, Portugal

[5] Univ Plymouth, Plymouth PL4 8AA, Devon, England

来源：

2012 IEEE VEHICULAR TECHNOLOGY CONFERENCE (VTC FALL) | 2012年

关键词：

IB-DFE; Magnitude Modulation; PAPR; POWER;

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 consider broadband wireless systems with high power efficiency. For this purpose we employ MM (Magnitude Modulation) techniques to reduce the PAPR (Peak-to-Average Power Ratio) of the transmitted signals, allowing efficient power amplification. Designed transceivers combine MM with SC-FDE (Single-Carrier with Frequency-Domain Equalization) methods upon iterative-block decision feedback equalization (IB-DFE). Since IB-DFE schemes designed for conventional SC signals are not suitable when we employ PAPR-reduction techniques, the effect of MM is taken into account on the estimation reliability factor that drives IB-DFE convergence. Results for the new proposed MM-IBDFE transceiver present gains above 1.5dB in the overall power efficiency, even when considering severely time-dispersive channels.

引用

页数：5

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