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FREE SPACE COMBINING AND DIVERSITY ANTENNA SYSTEM FOR FIXED CELLULAR APPLICATIONS
FREE SPACE COMBINING AND DIVERSITY ANTENNA SYSTEM FOR FIXED CELLULAR APPLICATIONS
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机译:固定细胞应用的自由空间组合和多样性天线系统
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摘要
A free space combining and diversity antenna system for a fixed cellular station transmits signals from more than one transmitter without using a combiner, such that the combination of the transmitted signals is done in free space. Furthermore, multiple electrical antennas allow various reception diversity techniques to be employed. The station includes a plurality of transmitters, each connected to a transmission antenna where the transmission antenna may be a plurality of electrical antennas including a patch antenna, monopole antennas, dipole antennas, etc. The station further includes a plurality of receivers or transceiver-receivers connected to different antennas, for employing reception diversity techniques. Isolators connected between the antennas for each transmitter-transmitter, transmitter-receiver, transceiver-transceiver, transceiver-transmitter, and transceiver-receiver pair cancel transmitted signals received by the non-transmitting antennas.
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