A study on segmented data rates for system capacity

被引：2

作者：

Yang, Yuli ^{[1
]}

Ma, Meng ^{[1
]}

Cheng, Flongbing ^{[1
]}

Jiao, Bingli ^{[1
]}

Lee, William C. Y. ^{[1
]}

机构：

[1] Peking Univ, Inst Adv Commun, Beijing 100871, Peoples R China

来源：

2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5 | 2007年

关键词：

spectral efficiency; iterative channel estimation;

D O I：

10.1109/VETECF.2007.239

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the conventional pilot symbol assisted modulation design, a data block is composed of a pilot set and an information data set. For improving the quality of the channel estimates, some iteration methods use the detected information symbols as the additional pilots. We work on orthogonal frequency division multiplexing (OFDM) system to divide the information data set into several segments and assign them with different data rates for exploiting the potential of the iterative channel estimation. The averaged data rate can be increased by the proposed scheme with the minimum mean-square error channel estimator. The simulation results confirm this approach.

引用

页码：1106 / 1108

页数：3

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