US 12,301,265 B2
Radio-frequency chip
Yong Huang, Shanghai (CN); Keji Cui, Shenzhen (CN); and Lei Lu, Shanghai (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Nov. 28, 2022, as Appl. No. 18/070,096.
Application 18/070,096 is a continuation of application No. PCT/CN2020/093541, filed on May 29, 2020.
Prior Publication US 2023/0090113 A1, Mar. 23, 2023
Int. Cl. H04B 1/00 (2006.01); H04B 1/712 (2011.01)
CPC H04B 1/006 (2013.01) [H04B 1/712 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A radio-frequency chip, comprising:
a phased array, wherein the phased array comprises a plurality of branches, wherein each branch of the plurality of branches comprises a transmitting path, a receiving path, a common path, and a phase shifter, and wherein the phase shifter comprises a first phase shift unit located on the transmitting path, a second phase shift unit located on the receiving path, a third phase shift unit located on the common path, and a control interface, wherein the control interface is configured to provide a phase shift control signal and a turn-off control signal for the first phase shift unit and the second phase shift unit; and
wherein the first phase shift unit is configured to provide, based on the phase shift control signal, a phase shift operation for a signal transmitted on the transmitting path;
wherein the first phase shift unit is configured to provide, based on the turn-off control signal, a turn-off operation for a signal transmitted on the transmitting path;
wherein the second phase shift unit is configured to provide, based on the phase shift control signal, a phase shift operation for a signal transmitted on the receiving path; and
wherein the second phase shift unit is configured to provide, based on the turn-off control signal, a turn-off operation for a signal transmitted on the receiving path.