# US 12,184,588 B2 · Antenna optimization method in multiple connection environment and electronic device using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,588 B2 - Document ID: US12184588B2 - Status: Granted - Kind: B2 - Application number: 17/584,897 - Filed: 2022-01-26 - Published: 2022-05-12 - Granted: 2024-12-31 - Earliest claimed: 2019-07-26 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Youngkwon Lee; Myungjin Kang; Hyungjoon Yu; Changhwa Lee; Sohee Jang - Web page: https://patentgrep.com/patent/US12184588B2 ## CPC - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04B 1/00: Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission - H04B 1/006: {using switches for selecting the desired band (H04B1/0057 takes precedence)} - H04B 1/401: for selecting or indicating operating mode - H04B 1/44: Transmit/receive switching - H04B 17/10: of transmitters - H04B 17/309: Measuring or estimating channel quality parameters - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0092: {Indication of how the channel is divided} - H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of operating an electronic device is provided. The method of operating an electronic device includes determining whether a multi-frequency band connection is established, when a result of the determination is that the multi-frequency band connection is established, identifying a frequency band transmitting control information from among connected multi-frequency bands, acquiring communication state information of the identified frequency band transmitting the control information, determining an antenna mode based on the acquired communication state information, and configuring at least one antenna based on the determined antenna mode. ## Claims ### Claim 1 An electronic device comprising: at least one antenna configured to transmit and receive a wireless signal; a tuner; at least one processor; and at least one memory, wherein the at least one memory stores instructions, when executed by the at least one processor, causing the electronic device to: determine whether multiple frequency band connections are configured, identify a frequency band to transmit control information among the connected multiple frequency bands, when the multiple frequency band connections are configured, based on a result of determination, acquire communication state information of the identified frequency band for transmitting the control information, determine an antenna mode, based on the acquired communication state information, and configure the at least one antenna, based on the determined antenna mode, wherein the antenna mode includes: a first mode in which the tuner is set based on return losses of the multiple frequency bands, and a second mode in which the tuner is set based on return losses of frequency bands among the multiple frequency bands to which the control information is transmitted, and wherein in the second mode, a return loss of the frequency band over which the control information is transmitted is reduced compared to the first mode. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the instructions further cause the at least one processor to determine whether to change the antenna mode using different transition conditions depending on whether a transmitted packet is a voice packet or a data packet. ### Claim 3 (depends on 2) The electronic device of claim 2, wherein the instructions further cause the at least one processor to: be transitioned to an optimal mode according to a first transition condition when the transmitted packet is the voice packet and the antenna mode is a normal mode, be transitioned to the normal mode according to a second transition condition when the transmitted packet is the voice packet and the antenna mode is the optimal mode, be transitioned to the optimal mode according to a third transition condition when the transmitted packet is the data packet and the antenna mode is the normal mode, be transitioned to the normal mode according to a fourth transition condition when the transmitted packet is the data packet and the antenna mode is the optimal mode, and provide hysteresis by differently configuring the first transition condition and the second transition condition and differently configuring the third transition condition and the fourth transition condition. ### Claim 4 (depends on 3) The electronic device of claim 3, wherein each of the transition conditions is based on at least one of a reception quality of a downlink signal, transmission power used in signal transmission, a buffer status report (BSR) index indicating an amount of data to be transmitted, a block error rate (BLER) indicating a rate of packets which have not yet been transmitted among transmitted packets, or information on whether transmit time interval bundling (TTIB) for transmitting an identical packet multiple times through a plurality of resources is activated. ### Claim 5 (depends on 4) The electronic device of claim 4, wherein the first transition condition includes at least one of a case in which reference signal received power (RSRP) is equal to or smaller than −110 dBm, a case in which transmission power is larger than 20 dBm, a case in which the BSR index is larger than or equal to 40% for 2 seconds, a case in which the BLER is larger than 10%, or a case of the TTIB is activated, and wherein the second transition condition includes a case in which the BLER is smaller than 10%. ### Claim 6 (depends on 4) The electronic device of claim 4, wherein the third transition condition includes at least one of a case in which reference signal received power (RSRP) is equal to or smaller than −80 dBm, a case in which transmission power is larger than 20 dBm, a case in which the BSR index is larger than or equal to 30% for 3 seconds, a case in which the BLER is larger than 30%, or a case in which the TTIB is activated, and wherein the fourth transition condition includes a case in which the BLER is smaller than 30%. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the instructions further cause the at least one processor to, when a number of identified frequency bands for transmitting control information is two or more, make return loss small in frequency bands including the two or more frequency bands or select one frequency band from among the two or more frequency bands and make return loss of the selected frequency band small as an optimal mode. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the instructions further cause the at least one processor to, even when the determined antenna mode is an optimal mode, configure the at least one antenna according to a normal mode in a time interval in which the control information is not transmitted and configure the at least one antenna according to the optimal mode in a time interval in which the control information is transmitted. ### Claim 9 A method of operating an electronic device, the method comprising: determining whether multiple frequency band connections are configured; identifying a frequency band to transmit control information among the connected multiple frequency bands when the multiple frequency band connections are configured; acquiring communication state information of the identified frequency band to transmit the control information; determining an antenna mode, based on the acquired communication state information; and configuring at least one antenna, based on the determined antenna mode, wherein the antenna mode includes: a first mode in which tuner is set based on return losses of the multiple frequency bands, and a second mode in which the tuner is set based on return losses of frequency bands among the multiple frequency bands to which the control information is transmitted, and wherein in the second mode, a return loss of the frequency band over which the control information is transmitted is reduced compared to the first mode. ### Claim 10 (depends on 9) The method of claim 9, wherein determining whether the antenna mode is changed comprises determining whether the antenna mode is changed by using different transition conditions depending on whether a transmitted packet is a voice packet or a data packet. ### Claim 11 (depends on 10) The method of claim 10, wherein determining whether to change the antenna mode includes: transitioning to an optimal mode according to a first transition condition when the transmitted packet is the voice packet and the antenna mode is a normal mode, transitioning to the normal mode according to a second transition condition when the transmitted packet is the voice packet and the antenna mode is the optimal mode, transitioning to the optimal mode according to a third transition condition when the transmitted packet is the data packet and the antenna mode is the normal mode, and transitioning to the normal mode according to a fourth transition condition when the transmitted packet is the data packet and the antenna mode is the optimal mode, and providing hysteresis by differently configuring the first transition condition and the second transition condition and differently configuring the third transition condition and the fourth transition condition. ### Claim 12 (depends on 11) The method of claim 11, wherein each of transition conditions are based on at least one of a reception quality of a downlink signal, transmission power used in signal transmission, a buffer status report (BSR) index indicating an amount of data to be transmitted, a block error rate (BLER) indicating a rate of packets which have not yet been transmitted among transmitted packets, or information on whether transmit time interval bundling (TTIB) for transmitting an identical packet multiple times through a plurality of resources is activated. ### Claim 13 (depends on 12) The method of claim 12, wherein the first transition condition includes at least one of a case in which reference signal received power (RSRP) is equal to or smaller than −110 dBm, a case in which transmission power is larger than 20 dBm, a case in which the BSR index is larger than or equal to 40% for 2 seconds, a case in which the BLER is larger than 10%, or a case of the TTIB is activated, and wherein the second transition condition includes a case in which the BLER is smaller than 10%. ### Claim 14 (depends on 12) The method of claim 12, wherein the third transition condition includes at least one of a case in which reference signal received power (RSRP) is equal to or smaller than −80 dBm, a case in which transmission power is larger than 20 dBm, a case in which the BSR index is larger than or equal to 30% for 3 seconds, a case in which the BLER is larger than 30%, or a case in which the TTIB is activated, and wherein the fourth transition condition includes a case in which the BLER is smaller than 30%. ### Claim 15 (depends on 9) The method of claim 9, wherein, when a number of identified frequency bands to transmit control information is two or more, an optimal mode makes return loss small in frequency bands including the two or more frequency bands or selects one frequency band from among the two or more frequency bands and makes return loss of the selected frequency band small. ### Claim 16 (depends on 9) The method of claim 9, wherein, even when the determined antenna mode is an optimal mode, the method further includes configuring the antenna according to a normal mode in a time interval in which the control information is not transmitted and configuring the antenna according to the optimal mode in a time interval in which the control information is transmitted.