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The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK)

Kunming,China,9.12-9.17，2010

ISBN: 978-1-935068-21-1 Scientific Research Publishing, USA

E-Book 350pp Pub. Date: September 2010

Category: Computer Science & Communications

Price: $80

Title: The Estimation of the Path Loss Exponent and the Standard Deviation Based on RSDR
Source: The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK) (pp 190-194)
Author(s): Yanni Cui, School of Information Science and Engineering Yunnan University, Kunming, 650091, China
Jianpei Chen, School of Information Science and Engineering Yunnan University, Kunming, 650091, China
Li Gong, School of Information Science and Engineering Yunnan University, Kunming, 650091, China
Pei Xiang, School of Information Science and Engineering Yunnan University, Kunming, 650091, China
Abstract: This paper investigates two parameters of mobile communication, path loss exponent and standard deviation, and proposes a method of revised standard deviation ratio (RSDR) to calculate the two parameters. Firstly, we simulate some data of measured power complied with Gaussian distribution. Then the paper calculates the two parameters by using the new method. For comparison the paper also used the method of minimum mean square error (MMSE) to estimate the path loss exponent and standard deviation. Finally we find that compared with the method of MMSE, the method of RSDR is better than to the factor of varying environment and more suitable for engineering applications.
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