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Transceiver design method and device

A transceiver and receiver technology, applied in electrical components, transmission systems, etc., can solve the problems of large base station equipment, large chip area of ​​amplifiers, large power consumption, etc., to reduce the total volume, reduce the chip area, reduce The effect of the total area

Inactive Publication Date: 2021-01-22
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

Under normal circumstances, the amplifier occupies a relatively large chip area. In a multi-channel transceiver system, each channel uses an independent amplifier, which will result in a large chip area, large base station equipment, and high power consumption.

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  • Transceiver design method and device
  • Transceiver design method and device
  • Transceiver design method and device

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with embodiment and accompanying drawing. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art can modify the various equivalent forms of the present invention within the appended rights of the application. The scope defined by the requirement item requirements.

[0020] At present, in order to reduce the chip area of ​​the multi-channel wireless transceiver and simplify the architecture, a more common direction is to simplify the structure of each transceiver channel. For example, the zero-IF architecture is adopted to directly convert the RF signal into a baseband signal through one-time mixing, and then perform analog-to-digital conversion and digitization of the baseband signal. This structure requires only one mixer for one chan...

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Abstract

The invention provides a transceiver design method and device, and belongs to the field of wireless transceiver systems. According to the design method, a time division multiplexing mode is adopted, an amplifier unit is multiplexed at the front end of the multi-channel transceiver, so that a plurality of receiving channels share one low-noise amplifier, and a plurality of transmitting channels share one power amplifier. The front end of the transceiver device comprises a radio frequency filtering module, a front time division module, a multiplexing amplification module, a rear time division module and a storage module, a time division multiplexing mode is adopted, and the time division modules of all channels are switched on in a time division mode, so that signals in all the channels aresent into the multiplexing amplification module to be processed in different time slots. According to the invention, the chip area of the multichannel transceiver is reduced, so that the transceiver system is efficient and miniaturized.

Description

technical field [0001] The present invention relates to the technical field of wireless transceiver systems, in particular, to a transceiver design method and device. Background technique [0002] The wireless communication system includes four modules: antenna, RF front-end module, RF transceiver module and baseband signal processor. Usually in a wireless communication system, the transceiver generally adopts a digital intermediate frequency architecture, which is based on a superheterodyne architecture, directly performs analog-to-digital conversion or digital-to-analog conversion on the signal in the intermediate frequency band, and continues subsequent processing. [0003] Digital IF receivers such as figure 1 As shown, along the direction of signal transmission, including antenna, RF filter, low noise amplifier (LNA: Low Noise Amplifier), mixer, IF filter, adjustable gain amplifier, analog-to-digital converter (ADC), digital down-conversion device. Among them, the ra...

Claims

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Application Information

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IPC IPC(8): H04B1/40
CPCH04B1/40
Inventor 王强梁彬彬张文琦
Owner BEIJING UNIV OF POSTS & TELECOMM
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