| Investigating path loss characteristics of UWB signals in vacancy indoor environment based on time-domain technique |
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| 作者姓名： | Wang Yang & Zhang Naitong Communication Research Center Harbin Inst. of Technology Harbin P.R. China |
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| 作者单位： | Wang Yang & Zhang Naitong Communication Research Center，Harbin Inst. of Technology，Harbin 150001，P.R. China |
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| 基金项目： | This project was supported by the key programof the Nationed Natural Science Foundation of China (60432040) |
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| 摘 要： | 1 .INTRODUCTIONUltra-wide Bandwidth( UWB) wireless technologyhas drewgreat attention of communication commu-nities all over the world as a candidate for the fu-ture short-range wireless communication by provi-ding users with high data rates .Pathloss , which represents signal attenuationas a positive quantity measuredin dB,is defined asthe difference between the effective transmittedpower and the received power .It is an i mportantparameter for evaluating the covering capacity ofUWB wi…
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| 收稿时间： | 19 January 2005 |
Investigating path loss characteristics of UWB signals in vacancy indoor environment based on time-domain technique |
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| Wang Yang & Zhang Naitong Communication Research Center,Harbin Inst. of Technology,Harbin ,P.R. China.Investigating path loss characteristics of UWB signals in vacancy indoor environment based on time-domain technique[J].Journal of Systems Engineering and Electronics,2006,17(2):296-302. |
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| Authors: | Wang Yang Zhang Naitong |
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| Institution: | Communication Research Center, Harbin Inst. of Technology, Harbin 150001, P.R. China |
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| Abstract: | The path loss analysis model based on 5 rays in vacancy indoor environment is proposed. The relationship between multipath overlapping and the path loss is analyzed mathematically. Time-domain technique is introduced to compute reflection coefficient in a very short time interval. A 5 rays path loss calculation method, which is satisfactory accurate, is developed. 5 typical environments are involved to analyze and generalize the common path loss characteristics in vacancy indoor environment. The simulation result shows that the path loss can be characterized as 3 zones with different path loss exponent as distance between transmitter and receiver increasing. |
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| Keywords: | UWB path Loss time-domain multipath indoor environment |
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