GSM/TD-SCDMA dual-mode base station antenna
一种TD-SCDMA、基站天线的技术,应用在双模宽带基站天线领域,能够解决移动通信电波传播环境恶劣、信号衰落、基站增加天线困难等问题,达到避免空间电磁干扰、减少基站总数、节省重复建设成本的效果
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[0022] Because the GSM base station antenna is an array antenna, which is equivalent to a port of the TD-SCDMA smart antenna. Therefore, the frequency range of the broadband TD-SCDMA smart antenna can be extended down to 1710MHz, and the array antenna of one or several ports can be shared as one or several GSM base station antennas at the same time. The specific implementation can be carried out through a duplexer , with a structure such as figure 1 shown.
[0023] refer to figure 1 , the present invention is composed of a TD-SCDMA smart antenna 9 and a duplexer 3 connected in series. The TD-SCDMA smart antenna 9 is a broadband plate antenna composed of 8 rows of broadband antenna feed units. The high-frequency 1880-2400MHz input port 4 of the duplexer is connected with the output port 2 of the TD-SCDMA equipment 1, and the low-frequency 1710-1860MHz input port 6 is connected with the radio frequency output port 10 of the GSM equipment 11 through the radio frequency cable 5...
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