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1. WO2020112257 - APPAREIL ET PROCÉDÉ DE FONCTIONNEMENT AVEC DES CIRCUITS RADIOFRÉQUENCES AINSI QU’ÉMISSION ET RÉCEPTION SANS FIL DANS UNE PLAGE D’ONDES MILLIMÉTRIQUES

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Claims

What is claimed is:

1. An apparatus for wireless transmission and reception, comprising:

a radio frequency (RF) circuitry configured to transmit and receive a signal in an RF frequency;

a baseband circuitry configured to process a transmit signal or a receive signal in a baseband frequency; and

a conversion circuitry configured to interface between the baseband circuitry and the RF circuitry,

wherein the conversion circuitry is configured to convert a baseband signal received from the baseband circuitry to an RF signal in a first RF frequency if a transmit frequency is a second RF frequency and convert the baseband signal to an RF signal in the second RF frequency if the transmit frequency is the first RF frequency, and send the RF signal after frequency conversion to the RF circuitry,

wherein the RF circuitry is configured to convert the RF signal to the transmit frequency for transmission.

2. The apparatus of claim 1, wherein the conversion circuitry includes a local oscillator circuitry configured to generate a local oscillator signal in a frequency that is a difference between the first RF frequency and the second RF frequency, and the conversion circuitry is configured to send the local oscillator signal to the RF circuitry along with the RF signal after frequency conversion.

3. The apparatus of claim 1, wherein the RF circuitry is configured to convert a second RF signal received via an antenna to an RF signal in the second RF frequency if a receive frequency of the second RF signal is the first RF frequency or to an RF signal in the first RF frequency if the receive frequency is the second RF frequency, and send the second RF signal after frequency conversion to the conversion circuitry.

4. The apparatus as in any one of claims 1-2, wherein the RF circuitry and the conversion circuitry are connected via a single conductor.

5. The apparatus as in any one of claims 1-2, wherein the first frequency is substantially in a 24.25-29.5 GHz band and the second frequency is substantially in a 37.01-43.5 GHz band.

6. The apparatus as in any one of claims 1-2, wherein the RF circuitry and the conversion circuitry are separate integrated circuit chips.

7. A circuitry for operating with a radio frequency (RF) circuitry, comprising:

a mixer configured to mix a baseband signal received from a baseband circuitry with a local oscillator signal to convert the baseband signal to an RF signal, wherein the mixer is configured to convert the baseband signal to an RF signal in a first RF frequency if a transmit frequency is a second RF frequency and convert the baseband signal to an RF signal in a second RF frequency if the transmit frequency is the first RF frequency; and

a filter configured to filter an output from the mixer.

8. The circuitry of claim 7, further comprising a local oscillator circuitry configured to generate a local oscillator signal in a frequency that is a difference between the first RF frequency and the second RF frequency.

9. The circuitry of claim 8, wherein the local oscillator signal and the RF signal are multiplexed onto a single conductor.

10. The circuitry as in any one of claims 7-9, wherein the first frequency is substantially in a 24.25-29.5 GHz band and the second frequency is substantially in a 37.01-43.5 GHz band.

11. A method for operating with a radio frequency (RF) circuitry, comprising:

generating, by a baseband circuitry, a baseband signal in a baseband frequency;

converting, by a conversion circuitry, the baseband signal to an RF signal, wherein the baseband signal is converted to the RF signal in a first RF frequency if a transmit frequency is a second RF frequency and to the RF signal in the second RF frequency if the transmit frequency is the first RF frequency, and sending the RF signal after frequency conversion to an RF circuitry; and

converting, by the RF circuitry, the RF signal to the transmit frequency and transmitting the RF signal.

12. The method of claim 11, further comprising:

sending, by the conversion circuitry, to the RF circuitry a local oscillator signal in a frequency that is a difference between the first RF frequency and the second RF frequency.

13. The method as in any one of claims 11-12, further comprising:

receiving, by the RF circuitry, a second RF signal via an antenna;

converting, by the RF circuitry, the second RF signal to an RF signal in the second RF frequency if a receive frequency is the first RF frequency or to an RF signal in the first RF frequency if the receive frequency is the second RF frequency; and

sending, by the RF circuitry, the second RF signal after frequency conversion to the conversion circuitry.

14. The method as in any one of claims 11-12, wherein the RF circuitry and the conversion circuitry are connected via a single conductor.

15. The method as in any one of claims 11-12, wherein the first frequency is substantially in a 24.25-29.5 GHz band and the second frequency is substantially in a 37.01-43.5 GHz band.

16. The method as in any one of claims 11-12, wherein the RF circuitry and the conversion circuitry are separate integrated circuit chips.

17. A machine-readable medium including codes, when executed, to cause a machine to perform a method of claim 11.