Wireless transceiver

Patent metadata

Field	Value
Publication number	US-12015431-B2
Application number	US-202217675968-A
Country	US
Kind code	B2
Filing date	Feb 18, 2022
Priority date	Jul 23, 2019
Publication date	Jun 18, 2024
Grant date	Jun 18, 2024

Abstract

An example device may include an antenna node configured to be coupled to an antenna element. The antenna node may be configured to pass wireless communications over multiple frequency bands. The device may also include multiple signal paths coupled to the antenna node. Each of the multiple signal paths may be configured to carry a signal from a different one of the multiple frequency bands. The device may further include a switch element coupled to the antenna node by the multiple signal paths and an amplifier circuit within the multiple signal paths between the switch element and the antenna node. The amplifier circuit may be configured to amplify the signals carried by the multiple signal paths.

First claim

What is claimed is:

1. A wireless transceiver device comprising:
a switch unit coupled to a plurality of antenna nodes by a plurality of signal paths; and
a conversion circuit coupled to the switch unit, the conversion circuit configured to adjust associated frequency bands of multiple signals on different signal paths,
wherein two or more of the plurality of antenna nodes associated with the different signal paths are configured to pass the signals with adjusted frequency bands during overlapping time periods, and
wherein the conversion circuit is configured to convert a frequency of each of the signals between a baseband frequency and a corresponding one of the adjusted frequency bands.

2. The wireless transceiver device of claim 1 , wherein each of the plurality of signal paths is both a receive signal path and a transmit signal path.

3. The wireless transceiver device of claim 1 , wherein the switch unit is configured to selectively couple any one of the plurality of signal paths to the conversion circuit.

4. The wireless transceiver device of claim 1 , further comprising a plurality of multiplexing elements coupled between the plurality of signal paths and the plurality of antenna nodes.

5. The wireless transceiver device of claim 1 , wherein the signals include transmit signals to be transmitted by the wireless transceiver device and receive signals received at the wireless transceiver device, the wireless transceiver device further comprising:
a baseband circuit configured to construct the transmit signals for transmission via the conversion circuit, one or more of the plurality of signal paths, and one or more of the plurality of antenna nodes and to process the receive signals received via one or more of the plurality of antenna nodes, one or more of the plurality of signal paths, and the conversion circuit; and
a front-end circuit that includes the conversion circuit, the front-end circuit coupled between the baseband circuit and the plurality of signal paths, the front-end circuit further including one or more digital-to-analog converters configured to change the transmit signals from a digital domain to an analog domain and one or more analog-to-digital converters configured to change the receive signals from the analog domain to the digital domain.

6. The wireless transceiver device of claim 1 , wherein when converting the frequency of each of the signals from the baseband frequency, the conversion circuit is configured to select a particular frequency band from among two or more frequency bands; and convert the signal in the baseband frequency to the selected particular frequency.

7. The wireless transceiver device of claim 6 , wherein when converting frequency, the conversion circuit is configured to select the particular frequency band from among frequency bands that include 900 MHz, 2.4 GHz, 3.6 GHz, 5.0 GHz, 6 GHz, or 60 GHz.

8. The wireless transceiver device of claim 1 , wherein at least one antenna node of the plurality of antenna nodes is configured to operate in frequency bands for at least two of: 900 MHz, 2.4 GHz, 3.6 GHz, 5.0 GHz, 6 GHz, or 60 GHz.

9. A wireless transceiver device comprising:
a switch unit coupled to a plurality of antenna nodes by a plurality of signal paths; and
a conversion circuit coupled to the switch unit, the conversion circuit configured to adjust associated frequency bands of multiple signals on different signal paths, wherein:
two or more of the plurality of antenna nodes associated with the different signal paths are configured to pass the signals with adjusted frequency bands during overlapping time periods,
the signals include transmit signals to be transmitted by the wireless transceiver device and receive signals received at the wireless transceiver device;
the switch unit includes a first switch element configured to direct transmit signals from the conversion circuit to signal paths according to their adjusted frequency bands; and
the switch unit further includes a second switch element configured to direct receive signals to the conversion circuit from signal paths according to their adjusted frequency bands.

10. The wireless transceiver device of claim 9 , wherein each of the plurality of signal paths is both a receive signal path and a transmit signal path.

11. The wireless transceiver device of claim 9 , wherein the switch unit is configured to selectively couple any one of the plurality of signal paths to the conversion circuit.

12. The wireless transceiver device of claim 9 , further comprising a plurality of multiplexing elements coupled between the plurality of signal paths and the plurality of antenna nodes.

13. The wireless transceiver device of claim 9 , wherein the signals include transmit signals to be transmitted by the wireless transceiver device and receive signals received at the wireless transceiver device, the wireless transceiver device further comprising:
a baseband circuit configured to construct the transmit signals for transmission via the conversion circuit, one or more of the plurality of signal paths, and one or more of the plurality of antenna nodes and to process the receive signals received via one or more of the plurality of antenna nodes, one or more of the plurality of signal paths, and the conversion circuit; and
a front-end circuit that includes the conversion circuit, the front-end circuit coupled between the baseband circuit and the plurality of signal paths, the front-end circuit further including one or more digital-to-analog converters configured to change the transmit signals from a digital domain to an analog domain and one or more analog-to-digital converters configured to change the receive signals from the analog domain to the digital domain.

14. The wireless transceiver device of claim 9 , wherein when converting frequency, the conversion circuit is configured to select a particular frequency band from among two or more frequency bands; and convert the signal to the selected particular frequency.

15. The wireless transceiver device of claim 14 , wherein when converting frequency, the conversion circuit is configured to select the particular frequency band from among frequency bands that include 900 MHz, 2.4 GHz, 3.6 GHz, 5.0 GHz, 6 GHz, or 60 GHz.

16. The wireless transceiver device of claim 9 , wherein at least one antenna node of the plurality of antenna nodes is configured to operate in frequency bands for at least two of: 900 MHz, 2.4 GHz, 3.6 GHz, 5.0 GHz, 6 GHz, or 60 GHz.

Assignees

• Maxlinear Inc

Inventors

• Duxbury Simon
• Chong Wing Kai
• Margairaz Didier
• Amiri Bahador

Classifications

• H04B1/40

  Circuits · CPC title

• H04B1/005 Primary

  adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges · CPC title

• H04B1/48

  in circuits for connecting transmitter and receiver to a common transmission path, e.g. by energy of transmitter {(H04B1/46 takes precedence)} · CPC title

• H04B1/0057

  using diplexing or multiplexing filters for selecting the desired band · CPC title

• H03F2200/451

  the amplifier being a radio frequency amplifier · CPC title