A Partial Spectrum Transmission Method for Dynamic Spectrum Access

被引：0

作者：

Futatsugi, Yasunori ^{[1
]}

Yoshida, Shousei ^{[2
]}

Ariyoshi, Masayuki ^{[1
]}

机构：

[1] NEC Corp Ltd, Syst Platforms Res Labs, Kawasaki, Kanagawa 213, Japan

[2] NEC Corp Ltd, Intellectual Asset Dev Promot Div, Kawasaki, Kanagawa 213, Japan

来源：

2009 4TH INTERNATIONAL CONFERENCE ON COGNITIVE RADIO ORIENTED WIRELESS NETWORKS AND COMMUNICATIONS | 2009年

关键词：

single carrier; partial spectrum; sequence estimation; iterative equalization; interference cancellation;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper proposes a partial spectrum transmission (PST) method for dynamic spectrum access (DSA). For DSA, it is preferable to select modulation scheme which is appropriate for the low-priority user's condition and radio environment by taking into account the required E-b/N-0, frequency efficiency and PAPR. When received SINR condition is better, QAM is selected for high-speed packet communication. However, QAM may cause link performance degradation due to the shorter Euclidean distance. On the other hand, PSK is capable of preventing such performance degradation. In this paper, we propose a PST method using PSK. It is shown by computer simulations that the required E-b/N-0 at a BLER of 10(-2) and the PAPR for the proposed PST (1/2) are approximately maximum I dB better than those of 16QAM respectively.

引用

页码：101 / +

页数：2

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