US 12,113,570 B2
Ultra-wideband non-reflective front-end in multiband system
Xue Huang, Solna (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 18/019,432
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Aug. 5, 2020, PCT No. PCT/IB2020/057375
§ 371(c)(1), (2) Date Feb. 2, 2023,
PCT Pub. No. WO2022/029468, PCT Pub. Date Feb. 10, 2022.
Prior Publication US 2023/0327703 A1, Oct. 12, 2023
Int. Cl. H04B 1/7163 (2011.01); H04B 1/18 (2006.01)
CPC H04B 1/71632 (2013.01) [H04B 1/18 (2013.01)] 19 Claims
OG exemplary drawing
 
9. A network node operating in a communications network, the network node comprising:
a wideband multiplexer configured to divide a wideband signal into a plurality of sub-bands;
a wideband circulator coupled to an output of the wideband multiplexer and including a first port and a second port, the wideband circulator configured to pass a sub-band of the plurality of sub-bands from the first port to a second port; and
a second multiplexer coupled to the second port of the wideband circulator and configured to divide the sub-band into a first portion and a second portion.