# US 2021/0242588 A1 · Method for changing ground unit of antenna on basis of data throughput speed estimation, and electronic device therefor

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- Number: US 2021/0242588 A1
- Document ID: US20210242588A1
- Status: Published application
- Kind: A1
- Application number: 17/268,851
- Filed: 2019-08-07
- Published: 2021-08-05
- Earliest claimed: 2018-08-16
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Wonsub LIM; Doil KU; Hyoseok NA
- Web page: https://patentgrep.com/patent/US20210242588A1

## CPC

- H01Q 1/241: {used in mobile communications, e.g. GSM (H01Q1/247, H01Q1/248 take precedence)}
- H01Q 5/50: Feeding or matching arrangements for broad-band or multi-band operation
- H01Q 1/48: Earthing means; Earth screens; Counterpoises
- H01Q 3/24: varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q 5/30: Arrangements for providing operation on different wavebands
- H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)}
- 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 17/328: {Reference signal received power [RSRP]; Reference signal received quality [RSRQ]}
- H04B 17/336: Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)
- H04B: TRANSMISSION

## Abstract

Various embodiments disclosed in the present document relate to, an antenna switch for operating in a communication network supporting carrier aggregation (CA), and an electronic device comprising same. According to one embodiment, a method for operating an electronic device having an antenna, the antenna being capable of communicating with an external electronic device via a plurality of frequency bands, may be provided, the method for operating the electronic device comprising the operations of, determining whether a communication mode of the electronic device is a CA mode, searching for a cell supporting a max data throughput speed, checking an antenna mode in a current state, and determining whether the antenna mode in the current state is an antenna mode for satisfying a frequency band assigned to the cell supporting the max data throughput speed. Such electronic device may vary according to the embodiments, and in addition, an antenna and an electronic device comprising same, according to the various embodiments, may be provided.

## Claims

### Claim 1

An electronic device, comprising:
an antenna including a radiating unit capable of communication through a first frequency band and a second frequency band and a power feeding unit;
a switch configured to selectively connect at least one of a first grounding unit of the electronic device, corresponding to the first frequency band and a second grounding unit of the electronic device, corresponding to the second frequency band to the radiating unit; and
a processor configured to:
connect at least one of the first grounding unit and the second grounding unit to the radiating unit based on a parameter indicating a signal strength and estimate, at least once, a data throughput according to at least one antenna switch grounding structure; and
control the switch by connecting at least one of the first grounding unit and the second grounding unit to the radiating unit to implement an antenna switch grounding structure having a quickest data throughput based on the estimated data throughput.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the processor is configured to:
perform communication with an external electronic device by a first data throughput through the first frequency band and the second frequency band, with the radiating unit and the first grounding unit connected together using the switch; and
estimate a second data throughput to be executed through the first frequency band and the second frequency band in relation to a state in which the radiating unit and the second grounding unit are to be connected using the switch while performing the communication with the external electronic device.

### Claim 3 (depends on 2)

The electronic device of claim 2, wherein the processor is configured to:
when the first data throughput is greater than the second data throughput, perform the communication with the external electronic device while maintaining the connection between the radiating unit and the first grounding unit using the switch; and
when the second data throughput is greater than the first data throughput, connect the radiating unit and the second grounding unit using the switch and perform the communication with the external electronic device, with the radiating unit and the second grounding unit connected together using the switch.

### Claim 4 (depends on 1)

The electronic device of claim 1, wherein the first frequency band and the second frequency band are not contiguous to each other.

### Claim 5 (depends on 4)

The electronic device of claim 4, wherein the first frequency band and the second frequency band are adjacent to each other.

### Claim 6 (depends on 1)

The electronic device of claim 1, wherein the first frequency band and the second frequency band have different bandwidths.

### Claim 7 (depends on 1)

The electronic device of claim 1, wherein the processor is configured to estimate the data throughput based on, at least, a parameter related to a signal strength of the communication.

### Claim 8 (depends on 1)

The electronic device of claim 1, wherein the processor is configured to perform execution of the data throughput when an electric field range of the communication is a designated electric field range or less, a signal to noise ratio (SNR) of the communication is a designated SNR value or less, or a modulation and coding scheme (MCS) index received from the external electronic device is a designated MCS index or less.

### Claim 9 (depends on 1)

The electronic device of claim 1, wherein the processor is configured to determine whether to perform the communication at the first data throughput or the second data throughput per electric field depending on a plurality of separately designated electric field ranges and to perform the communication with the external electronic device.

### Claim 10 (depends on 9)

The electronic device of claim 9, wherein the electric field ranges are divided into a first designated electric field range, a second electric field range, and a third electric field range in order from highest to lowest, wherein estimation of the second data throughput is performed in the second designated electric field range and the third designated electric field range, and wherein in the second designated electric field range, the second data throughput is estimated, with at least one of the first frequency band and the second frequency band excluded.

### Claim 11

A method for operating an electronic device having an antenna capable of communication with an external electronic device through a plurality of frequency bands, the method comprising:
determining whether a communication mode of the electronic device is a carrier aggregation (CA) mode;
searching for a cell supporting a maximum data throughput;
identifying an antenna grounding structure in a current state; and
determining whether the antenna grounding structure in the current state is an antenna grounding structure for meeting a frequency band allocated to a cell for supporting the maximum data throughput.

### Claim 12 (depends on 11)

The method of claim 11, further comprising, unless the antenna grounding structure in the current state is the antenna grounding structure for meeting the frequency band allocated to the cell for supporting the maximum data throughput, changing the antenna grounding structure to meet the frequency band allocated to the cell for supporting the maximum data throughput, wherein the method for operating the electronic device further comprising changing the antenna grounding structure is steadily performed under a designated network use environment.

### Claim 13 (depends on 11)

The method of claim 11, wherein the carrier aggregation (CA) mode is selected from among inter band carrier aggregation or intra band non-contiguous carrier aggregation.

### Claim 14 (depends on 11)

The method of claim 11, wherein the method is configured to perform execution of the data throughput when an electric field range of the communication is a designated electric field range or less, a signal to noise ratio (SNR) of the communication is a designated SNR value or less, or a modulation and coding scheme (MCS) index received from the external electronic device is a designated MCS index or less.

### Claim 15 (depends on 11)

The method of claim 11, further comprising, before searching for the cell for supporting the maximum data throughput, searching for a cell having a designated MCS value or more and, when there is a cell having the designated MCS or more, excluding a frequency band allocated to the cell having the designated MCS or more from frequency bands considered in changing the antenna mode.
