Title:
RADIO-FREQUENCY L-DRX DEVICE, RADIO-FREQUENCY TRANSCEIVING SYSTEM AND COMMUNICATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/238538
Kind Code:
A1
Abstract:
A radio-frequency L-DRX device. The radio-frequency L-DRX device is configured with a receiving port (RXOUT) and a polling transmitting port (SRS) which are used for connection to a radio-frequency transceiver, and an antenna port (ANT) for connection to an antenna. The radio frequency L-DRX device comprises: a first switch unit (110) connected to the antenna port (ANT) and the polling transmitting port (SRS) respectively and used for selectively conducting a receiving path where the receiving port (RXOUT) is located and a transmitting path where the polling transmitting port (SRS) is located; a first filtering unit (120) provided in the receiving path or the transmitting path and used for filtering the received radio frequency signal; and a first low noise amplifier (130), the first low noise amplifier (130) being provided in the receiving path, and an output end of the first low noise amplifier (130) being connected to the receiving port (RXOUT) and used for amplifying the filtered radio frequency signal and outputting same by means of the receiving port (RXOUT).
Inventors:
CHEN WU (CN)
Application Number:
PCT/CN2021/089585
Publication Date:
December 02, 2021
Filing Date:
April 25, 2021
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04B1/40
Domestic Patent References:
| WO2019060794A1 | 2019-03-28 |
Foreign References:
| CN212811690U | 2021-03-26 | |||
| CN110278007A | 2019-09-24 | |||
| CN108199728A | 2018-06-22 | |||
| CN108390694A | 2018-08-10 | |||
| CN110213828A | 2019-09-06 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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