Wideband matching co-design of transmit/receive (T/R) switch and receiver frontend for a broadband MIMO receiver for millimeter-wave 5G communication
AssigneesSpeedlink Technology Inc., Georgia Tech Research Corporation
InventorsMin-Yu Huang, Hua Wang, Thomas Chen, Taiyun Chi
Life of this patent
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Abstract
According to one embodiment, a radio frequency (RF) frontend circuit includes a RF receiver, a transceiver (or transmit/receive) switch, and a high-order inductive degeneration matching network coupled in between the transceiver switch and an input port of the RF receiver, where the high-order inductive degeneration matching network matches an impedance for the RF receiver and the transceiver switch and the high-order inductive degeneration matching network is to resonate at a plurality of predetermined resonant frequencies.
Claims16
A radio frequency (RF) frontend circuit, comprising:
- an RF receiver;
- a transceiver switch;
- and
- a high-order inductive degeneration matching network coupled in between the transceiver switch and an input port of the RF receiver, wherein the high-order inductive degeneration matching network matches impedance for the RF receiver and the transceiver switch and the high-order inductive degeneration matching network is to resonate at a plurality of predetermined resonant frequencies, wherein the high-order inductive degeneration matching network comprises a capacitor in series with an inductive transmission line to resonate at a first predetermined resonant frequency.
A mobile device, comprising:
- an antenna;
- a radio frequency (RF) frontend circuit coupled to the antenna, wherein the RF frontend circuit includes:
- an RF receiver,
- a transceiver switch, and
- a high-order inductive degeneration matching network coupled in between the transceiver switch and an input port of the RF receiver, wherein the high-order inductive degeneration matching network matches impedance for the RF receiver and the transceiver switch and the high-order inductive degeneration matching network is to resonate at a plurality of predetermined resonant frequencies, wherein the high-order inductive degeneration matching network comprises a capacitor in series with an inductive transmission line to resonate at a first predetermined resonant frequency;
- and
- a baseband processor coupled to the RF frontend circuit.
Dependencies are inferred from the claim text.