US 12,413,257 B2
Downlink transmitting system and switching method
Ni Ma, Shanghai (CN); Guanxi Zhang, Shanghai (CN); Long Shen, Shanghai (CN); Xi Chen, Madrid (ES); Xin Yu, Shenzhen (CN); Yaqi Wu, Shenzhen (CN); and Wei Gu, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jan. 23, 2023, as Appl. No. 18/157,976.
Application 18/157,976 is a continuation of application No. PCT/CN2021/104770, filed on Jul. 6, 2021.
Claims priority of application No. 202010716226.7 (CN), filed on Jul. 23, 2020.
Prior Publication US 2023/0155616 A1, May 18, 2023
Int. Cl. H04B 1/04 (2006.01); H04B 7/04 (2017.01); H04B 7/06 (2006.01); H04W 52/02 (2009.01)
CPC H04B 1/0483 (2013.01) [H04B 1/0458 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A downlink transmitting system, comprising:
at least one digital intermediate frequency module group;
at least one transmit (Tx) port group;
a plurality of power amplifiers (PAs);
at least one switching switch; and
an antenna array, wherein:
the plurality of PAs are connected to the antenna array,
the plurality of PAs are connected to all Tx ports comprised in the downlink transmitting system in a one-to-one correspondence,
the at least one digital intermediate frequency module group is in a one-to-one correspondence with the at least one Tx port group,
each of the at least one Tx port group is connected to each digital intermediate frequency module in a corresponding digital intermediate frequency module group through one of the at least one switching switch,
the each of the at least one Tx port group comprises a plurality of Tx ports,
a quantity of digital intermediate frequency modules comprised in each digital intermediate frequency module group is equal to a quantity of Tx ports comprised in a corresponding Tx port group,
each of the at least one switching switch has at least two connection states,
quantities of enabled digital intermediate frequency modules in a digital intermediate frequency module group connected to the each of the at least one switching switch in different connection states are different, and
all Tx ports in a Tx port group connected to the each of the at least one switching switch in the different connection states are in an enabled state.