Effects of Carrier Frequency, Antenna Height and Season on Broadband Wireless Access in Rural Areas

被引：5
|
作者：
Chee, Kin Lien [1 ]
Anggraini, Anggia [2 ]
Kuerner, Thomas [1 ]
机构：
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Commun Technol, Dept Mobile Radio Syst, D-38106 Braunschweig, Germany
[2] Leibniz Univ Hannover, Inst Commun Technol, D-30167 Hannover, Germany
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2012年 / 60卷 / 07期
关键词：
Broadband wireless access; digital terrain information; large-scale fading; radio propagation; small-scale fading; rural areas; PATH LOSS; MULTIPATH PROPAGATION; PREDICTION; VEGETATION; CHANNEL; MODEL; WIND; MHZ; UHF;
D O I：
10.1109/TAP.2012.2196908
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The effects of carrier frequency, antenna height and season on a broadband wireless access (BWA) system deployed in a rural area at 825 MHz and 3535 MHz are studied in this paper. With the aid of digital terrain information, both large scale and small scale fading effects present in the rural channel are discussed. Our investigation found that the frequency dependence of a wireless channel varies strongly with the environment. Also, the effects of the antenna height in rural areas of irregular terrains vary with the available clearance above the clutters in the regions. This paper uses extensive measurement campaigns to quantify these effects in winter and spring using a BWA system (IEEE 802.16e) deployed in Hetzwege/Abbendorf, Germany. In the study of small scale fading, the variations of the fading distributions of the wireless channel due to season changes are derived and the corresponding multi-path propagations are discussed in this paper.
引用
收藏
页码：3432 / 3443
页数：12
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