Authentication email has already been sent, please check your email box: and activate it as soon as possible.
You can login to My Profile and manage your email alerts.
If you haven’t received the email, please:
|
|
There are 22 papers published in subject: > since this site started. |
Results per page: | 22 Total, 3 Pages | << First < Previous 1 2 3 |
Select Subject |
Select/Unselect all | For Selected Papers |
Saved Papers
Please enter a name for this paper to be shown in your personalized Saved Papers list
|
1. An Idea on Single Carrier Frequency Equalizer | |||
Wang Kedi ,Zhang Xin ,Yang Dacheng | |||
Electrics, Communication and Autocontrol Technology 25 September 2008 | |||
Show/Hide Abstract | Cite this paper︱Full-text: PDF (0 B) | |||
Abstract:The application of frequency domain equalization techniques makes single carrier modulation a potentially valuable alternative to OFDM, especially in regard to its lower peak-to-average transmit power ratio and less sensitivity to carrier frequency offset. In this paper, we bring up a novel single carrier frequency domain equalizer (SC-FDE), this new SC-FDE needs not a cyclic prefix (CP. The cyclic prefix not only wastes transmits power, but also degrades transmission efficiency. As cyclic prefix is not required, we can reduce the system complexity greatly. We will simulate the conventional scheme and the new scheme over Rayleigh fading channel, performance and complexity comparisons are presented between the traditional scheme and the proposed scheme. | |||
TO cite this article:Wang Kedi ,Zhang Xin ,Yang Dacheng . An Idea on Single Carrier Frequency Equalizer[OL].[25 September 2008] http://en.paper.edu.cn/en_releasepaper/content/24351 |
2. Optimal Pilot Sequences Design for MIMO-OFDM Systems in Mobile Wireless Channels | |||
wang han,wang jinkuan | |||
Electrics, Communication and Autocontrol Technology 27 March 2008 | |||
Show/Hide Abstract | Cite this paper︱Full-text: PDF (0 B) | |||
Abstract:A least squares (LS) channel estimation scheme in time domain is proposed for MIMO-OFDM system based on pilot tones in this paper. The basic idea is that the time-domain samples generated by the pilot tones of the transmitter and the receiver are used to estimate the time-domain channel responses. Optimal pilot sequences (OPS) with regard to (w.r.t) the mean square error (MSE) of LS channel estimation are also presented; it is shown that the OPS are equipowered, equispaced, and position orthogonal. The bigger guard bandwidth can be used to avoid the transmitted data being distorted more effectively in the proposed OPS, because the maximum guard bandwidth (MGB) of proposed OPS is bigger than that of the conventional OPS. Through simulations, it is shown that the OPS derived in this paper outperforms the conventional OPS in terms of MSE and BER. | |||
TO cite this article:wang han,wang jinkuan. Optimal Pilot Sequences Design for MIMO-OFDM Systems in Mobile Wireless Channels[OL].[27 March 2008] http://en.paper.edu.cn/en_releasepaper/content/19787 |
Select/Unselect all | For Selected Papers |
Saved Papers
Please enter a name for this paper to be shown in your personalized Saved Papers list
|
Results per page: | 22 Total, 3 Pages | << First < Previous 1 2 3 |
About Sciencepaper Online | Privacy Policy | Terms & Conditions | Contact Us
© 2003-2012 Sciencepaper Online. unless otherwise stated