Carrier aggregation device
A technology of carrier aggregation and clutter, which is applied to the separation device of the transmission path, digital transmission system, electrical components, etc., can solve the problem that 4 antennas are not feasible, and achieve the effect of reducing manufacturing cost and reducing interference
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example 1
[0052] image 3 An exemplary structural diagram of a carrier aggregation device provided by an embodiment of the present invention, as shown in image 3 As shown, the signal enters the carrier aggregation device through the transceiver antennas (MainANT and DIVANT), and then enters the RF transceiver chip (Transceiver) through the RF front-end; the RF front-end includes: a power divider (Diplexer), an antenna switch, and a filter; exemplary, image 3 The pre-stage RF antenna switch in the middle adopts SPNT transceiver array, the filter adopts SAWfilter, MainANT and DIVANT respectively complete the main set and diversity reception of high frequency band (HBand), middle frequency band (MBand) and low frequency band (LBand); image 3 As shown, after the signal enters from MainANT, it is decomposed into one low-frequency signal and one medium-frequency and high-frequency mixed signal through Diplexer1. The low-frequency signal is directly connected to the low-frequency signal rec...
example 2
[0056] Figure 4 Another exemplary structural diagram of a carrier aggregation device provided by an embodiment of the present invention, Figure 4 exist image 3 On the basis of , Diplexer3 and Diplexer4 are replaced by LNA1 and LNA2, and the rest of the devices are changed. Therefore, the same devices use the same reference signs;
[0057] The signal enters the carrier aggregation device through the transceiver antenna (MainANT and DIVANT), and then enters the RF transceiver chip (Transceiver) through the RF front-end; the RF front-end includes: power splitter (Diplexer), antenna switch and filter; Figure 4 As shown, after the signal enters from MainANT, it is decomposed into one low-frequency signal and one medium-frequency and high-frequency mixed signal through Diplexer1. The low-frequency signal is directly connected to the low-frequency signal receiving end (L terminal) of SPNT2; It is decomposed into one high-frequency signal and one low-frequency signal, and then c...
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