Title:
RADIO FREQUENCY SYSTEM AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/147519
Kind Code:
A1
Abstract:
Disclosed are a radio frequency system and an electronic device. The radio frequency system comprises a radio frequency transceiver, a radio frequency processing circuit, a selector switch module, a first antenna, a second antenna, a third antenna, and a fourth antenna; the radio frequency processing circuit comprises a first transmitting module, a second transmitting module, a first receiving module, a second receiving module, a first duplexer, a second duplexer, a first selection switch, and a first filtering module; when the radio frequency system works in a non-independent networking mode, the first antenna is used for transmission of a first low-frequency band and primary reception of the first low-frequency band, the second antenna is used for transmission of a second low-frequency band and primary reception of the second low-frequency band, the third antenna is used for diversity reception of the second low-frequency band, the fourth antenna is used for diversity reception of the first low-frequency band, and a first filter is used for filtering bands other than the first low-frequency band. According to the embodiments of the present application, the reliability of an uplink signal can be guaranteed.
More Like This:
Inventors:
CHEN XIANLONG (CN)
Application Number:
PCT/CN2020/133122
Publication Date:
July 29, 2021
Filing Date:
December 01, 2020
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04B1/00; H04B1/401; H04B7/0404
Foreign References:
| CN111294081A | 2020-06-16 | |||
| CN111193526A | 2020-05-22 | |||
| CN111277278A | 2020-06-12 | |||
| CN108232473A | 2018-06-29 | |||
| CN106129588A | 2016-11-16 | |||
| CN109274379A | 2019-01-25 | |||
| US20130230080A1 | 2013-09-05 |
Other References:
See also references of EP 4087143A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF: