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KR-20260066055-A - Transmitter (Tx) Hopping to Switching Devices

KR20260066055AKR 20260066055 AKR20260066055 AKR 20260066055AKR-20260066055-A

Abstract

Specific aspects of the present disclosure generally relate to devices and techniques for transmitter (Tx) hopping. An exemplary device for wireless communication generally comprises: a first power amplifier; a first transmission chain, a second transmission chain, and a first switch device coupled to a signal input of the first amplifier; a first power supply; a second power supply; and a second switch device coupled to an output of the first power supply, an output of the second power supply, and a supply input of the first amplifier.

Inventors

  • 장 원밍
  • 량 이
  • 루 페이

Assignees

  • 퀄컴 인코포레이티드

Dates

Publication Date
20260512
Application Date
20230915

Claims (20)

  1. As a device for wireless communication, First amplifier; A first transmission chain, a second transmission chain, and a first switch device coupled to the signal input of the first amplifier; 1st power supply unit; 2nd power supply unit; and A device for wireless communication comprising the output of the first power supply unit, the output of the second power supply unit, and a second switch device coupled to the supply input of the first amplifier.
  2. In paragraph 1, A second amplifier having an input coupled to the first transmission chain; and A device for wireless communication, further comprising a third amplifier having an input coupled to the second transmission chain.
  3. In paragraph 2, The supply input of the second amplifier is coupled to the output of the first power supply; and A device for wireless communication, wherein the supply input of the third amplifier is coupled to the output of the second power supply unit.
  4. In paragraph 2, The output of the second amplifier, the first antenna, and a third switch device coupled to the second antenna; and A device for wireless communication, further comprising the output of the third amplifier, the third antenna, and the fourth switch device coupled to the fourth antenna.
  5. In paragraph 2, The first amplifier is configured to amplify signals for transmission to a first band; and A device for wireless communication, wherein the second amplifier and the third amplifier are configured to amplify signals for transmission to a second band.
  6. In paragraph 5, the device for wireless communication, wherein the first amplifier is the only amplifier of the device configured to amplify signals for transmission to the first band.
  7. A device for wireless communication according to claim 1, wherein the first switch device comprises a single-pole, double-throw (SPDT) switch having a pole terminal coupled to the signal input of the first amplifier, a first throw terminal coupled to the first transmission chain, and a second throw terminal coupled to the second transmission chain.
  8. A device for wireless communication according to claim 1, wherein the second switch device comprises a single-pole, double-throw (SPDT) switch having a pole terminal coupled to the supply input of the first amplifier, a first throw terminal coupled to the output of the first power supply, and a second throw terminal coupled to the output of the second power supply.
  9. A device for wireless communication according to claim 1, wherein the first amplifier is configured to amplify a transmission signal from the first transmission chain or the second transmission chain for transmission through an antenna.
  10. A device for wireless communication according to claim 9, wherein the first amplifier is configured to amplify the transmission signal using power from the first power supply or the second power supply.
  11. A device for wireless communication according to claim 1, further comprising the output of the first amplifier, the first antenna, and the third switch device coupled to the second antenna.
  12. In paragraph 1, The first transmission chain above includes a first phase-locked loop (PLL); and The above second transmission chain is a device for wireless communication that includes a second PLL.
  13. A device for wireless communication according to claim 1, further comprising a transceiver integrated circuit (IC) including the first transmission chain and the second transmission chain.
  14. As a method for wireless communication, A step of selectively coupling a first transmission chain or a second transmission chain to a signal input of a first amplifier through a first switch device; A step of selectively coupling the output of the first power supply or the output of the second power supply to the supply input of the first amplifier through the second switch device; and A method for wireless communication comprising the step of amplifying a first transmission signal from one of the first transmission chain and the second transmission chain using power from one of the first power supply unit and the second power supply unit through the first amplifier.
  15. A method for wireless communication according to claim 14, further comprising the step of amplifying a second transmission signal from the other of the first transmission chain and the second transmission chain using power from the other of the first power supply and the second power supply through a second amplifier.
  16. In paragraph 15, The supply input of the second amplifier is coupled to the output of the first power supply; and A method for wireless communication in which the supply input of the third amplifier is coupled to the output of the second power supply unit.
  17. In paragraph 15, The first transmission signal is amplified through the first amplifier for transmission to the first band; and A method for wireless communication in which the second transmission signal is amplified through the second power amplifier for transmission to the second band.
  18. A method for wireless communication according to claim 17, wherein the first amplifier is the only amplifier used to amplify signals for transmission to the first band.
  19. A method for wireless communication according to claim 14, further comprising the step of selectively coupling the output of the first amplifier to the first antenna or the second antenna through a third switch device.
  20. As a device for wireless communication, Means of amplification; Means for selectively coupling a first transmission chain or a second transmission chain to a signal input of the amplifying means; and A device for wireless communication comprising means for selectively coupling the output of a first power supply unit or the output of a second power supply unit to the supply input of the amplifying means, wherein the amplifying means is configured to amplify a transmission signal from the first transmission chain or the second transmission chain using power from the first power supply unit or the second power supply unit.

Description

Transmitter (Tx) Hopping to Switching Devices Field of the present disclosure Some embodiments of the present disclosure generally relate to electronic components, and more specifically, to techniques for transmitter (Tx) hopping. Description of related technology Electronic devices include computing devices such as desktop computers, laptop computers, tablet computers, smartphones, wearable devices like smartwatches, and internet servers. These various electronic devices provide human users with information, entertainment, social interaction, security, safety, productivity, transportation, manufacturing, and other services. Many of these various electronic devices rely on wireless communications for their functions. Wireless communication systems and devices are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, and broadcasts. These systems can support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such systems include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, and orthogonal frequency division multiple access (OFDMA) systems (e.g., Long Term Evolution (LTE) systems, or New Radio (NR) systems). Wireless devices may include a transceiver for processing signals for receiving or transmitting. The transceiver may include one or more receiving chains and one or more transmitting chains. One or more transmitting chains may include, for example, one or more oscillators and one or more amplifiers. In some implementations, one or more oscillators may include a phase-locked loop (PLL) having a voltage-controlled oscillator (VCO) for generating an oscillation signal that can be used for signal processing during signal transmission and reception. Each of the systems, methods, and devices of the present disclosure has several aspects, and no single aspect of these aspects alone possesses the preferred attributes of the present invention. Without limiting the scope of the present disclosure as expressed by the subsequent claims, some features will now be discussed briefly. After considering this discussion, and in particular after reading the section labeled “Detailed Description,” those skilled in the art will understand how the features of the present disclosure provide the advantages described herein. Certain embodiments of the present disclosure relate to an apparatus for wireless communication. The apparatus generally comprises: a first amplifier; a first transmission chain, a second transmission chain, and a first switch device coupled to a signal input of the first amplifier; a first power supply; a second power supply; and an output of the first power supply, an output of the second power supply, and a second switch device coupled to a supply input of the first amplifier. Some embodiments of the present disclosure relate to a method for wireless communication. The method generally comprises: selectively coupling a first transmission chain or a second transmission chain to a signal input of a first amplifier through a first switching device; selectively coupling an output of a first power supply or an output of a second power supply to a supply input of the first amplifier through a second switching device; and amplifying a first transmission signal from one of the first transmission chain and the second transmission chain through the first amplifier using power from one of the first power supply and the second power supply. Some embodiments of the present disclosure relate to an apparatus for wireless communication. The apparatus generally comprises: means for amplifying; means for selectively coupling a first transmission chain or a second transmission chain to a signal input of the amplifying means; and means for selectively coupling an output of a first power supply or an output of a second power supply to a supply input of the amplifying means, wherein the amplifying means is configured to amplify a transmission signal from the first transmission chain or the second transmission chain using power from the first power supply or the second power supply. To achieve the aforementioned and related objectives, one or more embodiments include features described below in their entirety, particularly those mentioned in the claims. The following description and the accompanying drawings describe in detail specific exemplary features of one or more embodiments. However, these features represent only some of the various ways in which the principles of the various embodiments may be used. In a manner that the features of the above disclosure mentioned above can be understood in detail, a more specific description of the above-summary may be made with reference to embodiments, some of which are illustrated in the accompanying drawings. However, it should be noted that the accompanying drawi