US 11,742,597 B2
Method of processing signals using radio frequency chains and electronic device thereof
Hanyeop Lee, Suwon-si (KR); Jiyong Kim, Suwon-si (KR); Jongin Lee, Suwon-si (KR); Hyosung Lee, Suwon-si (KR); Namjun Cho, Suwon-si (KR); Ilpyo Hong, Suwon-si (KR); and Hyoseok Na, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Jul. 7, 2020, as Appl. No. 16/922,327.
Claims priority of application No. 10-2019-0082077 (KR), filed on Jul. 8, 2019.
Prior Publication US 2021/0013632 A1, Jan. 14, 2021
Int. Cl. H01Q 21/28 (2006.01); H01Q 3/24 (2006.01); H01Q 21/06 (2006.01); H04B 1/16 (2006.01)
CPC H01Q 21/28 (2013.01) [H01Q 3/24 (2013.01); H01Q 21/062 (2013.01); H01Q 21/065 (2013.01); H04B 1/1615 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An electronic device comprising:
a processor;
an intermediate frequency integrated circuit (IFIC) electrically connected with the processor;
a first antenna array comprising a plurality of first antenna elements;
a second antenna array comprising a plurality of second antenna elements; and
a transceiver including:
a frequency converter electrically connected to the IFIC,
a multiplexer/demultiplexer electrically connected to the frequency converter,
first radio frequency (RF) chains electrically connected with the IFIC, wherein the first RF chains include a first RF chain and a second RF chain, wherein the first RF chain includes a first phase shifter and is electrically connected to a first switch, wherein the second RF chain includes a second phase shifter and is electrically connected to a second switch, wherein the first phase shifter is configured to control a first phase of a first signal transmitted through the first antenna array and the second phase shifter is configured to control a second phase of a second signal received through the first antenna array,
second RF chains electrically connected with the IFIC, wherein the second RF chains include a third RF chain and a fourth RF chain, wherein the third RF chain includes a third phase shifter and is electrically connected to the first switch, wherein the fourth RF chain includes a fourth phase shifter and is electrically connected to the second switch, wherein the third phase shifter is configured to control a third phase of a third signal transmitted through the second antenna array and the fourth phase shifter is configured to control a fourth phase of a fourth signal received through the second antenna array, and
a plurality of switches including a transmission and reception switch and an antenna switch, wherein the transmission and reception switch is configured to:
electrically connect the first switch to the first antenna array or the second antenna array through a first power amplifier (PA); or
electrically connect the second switch to the first antenna array or the second antenna array through a first low noise amplifier (LNA),
wherein the antenna switch selectively connects the transmission and reception switch to the first antenna array or the second antenna array,
wherein the multiplexer/demultiplexer is configured to output RF signals from the frequency converter to the first phase shifter and the third phase shifter or sum RF signals from the second phase shifter and the fourth phase shifter to the frequency converter,
wherein the multiplexer/demultiplexer includes:
first-state multiplexers/demultiplexers electrically connected to the frequency converter, and
second-state multiplexers/demultiplexers electrically connected to the first-state multiplexers/demultiplexers and electrically connected to the first RF chains and the second RF chains, and
wherein the processor is configured to:
identify an antenna array used for communication among the first antenna array and the second antenna array,
control the first switch to selectively connect the first RF chain including the first phase shifter to the first antenna array through the first PA, or the third RF chain including the third phase shifter to the second antenna array through the first PA based on the identified antenna array, and
perform the communication using the first RF chain and the first antenna array, or using the third RF chain and the second antenna array.