RF signal aggregator and antenna system implementing the same
The disclosure concerns a signal aggregator component designed to couple with an antenna element to form an antenna system, wherein the resulting antenna system can achieve one-hundred percent or greater efficiency in receiving mode. In addition, the antenna system can achieve specific polarization and gain in different sectors of the antenna radiation pattern. The signal aggregator functions to dynamically enable or disable any number of its RF ports to select the RF input signal to aggregate.
1. A radio frequency (RF) signal aggregator, comprising:
a common port;
a plurality of discrete ports, each of the plurality of discrete ports coupled to the common port;
a plurality of sub-components, each of the plurality of sub-components coupled between the common port and a corresponding discrete port of the plurality of discrete ports;
a plurality of active components, each of the plurality of active components coupled between the common port and a corresponding sub-component of the plurality of sub-components;
an RF signal bus coupled between the common port and each of the plurality of active components;
wherein the plurality of sub-components comprise a circulator, isolator, diode, transistor, or gyrator.
2. The RF signal aggregator of claim 1 , further comprising:
a plurality of transmission paths, each of the plurality of transmission paths coupling the common port to a corresponding discrete port of the plurality of discrete ports.
3. The RF signal aggregator of claim 2 , wherein each of the plurality of sub-components is coupled to a corresponding transmission path of the plurality of transmission paths.
4. An antenna system, comprising:
a plurality of receive antenna elements; and
a radio frequency (RF) signal aggregator comprising:
a common port;
a plurality of discrete ports, each of the plurality of discrete ports coupled between the common port and a corresponding receive antenna element of the plurality of receive antenna elements;
a plurality of sub-components, each of the plurality of sub-components coupled between the common port and a corresponding discrete port of the plurality of discrete ports;
a plurality of active components, each of the plurality of active components coupled between the common port and a corresponding sub-component of the plurality of sub-components;
an RF connector; and
an RF duplexer coupled between the RF connector and the RF signal aggregator.
5. The antenna system of claim 4 , further comprising:
a plurality of transmit antenna elements; and
a RF switch coupled between the RF duplexer and the plurality of transmit antenna elements.
6. The antenna system of claim 5 , wherein at least one of the plurality or receive antenna elements or the plurality of transmit antenna elements comprises an active multi-mode antenna element.
7. The antenna system of claim 4 , wherein the RF signal aggregator further comprises:
a plurality of transmission paths, each of the plurality of transmission paths coupling the common port to a corresponding discrete port of the plurality of discrete ports.
8. The antenna system of claim 7 , wherein each of the plurality of sub-components is coupled to a corresponding transmission path of the plurality of transmission paths.
9. A radio frequency (RF) signal aggregator, comprising:
a common port;
a plurality of discrete ports, each of the plurality of discrete ports coupled to the common port;
a plurality of sub-components, each of the plurality of sub-components coupled between the common port and a corresponding discrete port of the plurality of discrete ports; and
a plurality of active components, each of the plurality of active components coupled between the common port and a corresponding sub-component of the plurality of sub-components;
wherein at least one of the plurality of sub-components comprises a CMOS RF reflective isolator or a ferrite based reflective isolator.