| 摘要 |
Embodiments of the present invention provide a single radio frequency double-stream transmission apparatus, an application method and an antenna system, wherein the apparatus includes: a radio frequency link, a reactance control circuit, a parasitic reactor, an active antenna and an even number M of parasitic antennas, wherein M is larger than 2; the radio frequency link is configured to generate a radio frequency signal; the active antenna is connected with the radio frequency link, the parasitic antennas are respectively connected with the parasitic reactor, the distances from the parasitic antennas to the active antenna are the same, and the radian between adjacent parasitic antennas is 360 M degrees; the parasitic reactor may be adjusted by the reactance control circuit to make the reactance values of any pair of parasitic antennas in mirror symmetry via the active antenna be different and the reactance values of the rest pairs of parasitic antennas in mirror symmetry via the active antenna be equal respectively. An additional degree of freedom of adjustable parasitic reactance is introduced to achieve double-stream multiplexing, so as to achieve high order modulation of Single RF MIMO. The system stability may be ensured, the system power may be saved and the computational burden may be alleviated, while achieving the high order modulation. |
