# US 10,772,157 B2 · Method for performing relay communication and electronic device thereof

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- Number: US 10,772,157 B2
- Document ID: US10772157B2
- Status: Granted
- Kind: B2
- Application number: 16/123,664
- Filed: 2018-09-06
- Published: 2019-03-21
- Granted: 2020-09-08
- Earliest claimed: 2017-09-15
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Jiho Shin; Yi Yang; Moon-Seok Kang
- Web page: https://patentgrep.com/patent/US10772157B2

## CPC

- H04W 88/04: adapted for relaying to or from another terminal or user
- H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
- H04W 8/18: Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W 8/005: {Discovery of network devices, e.g. terminals}
- H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

An electronic device includes first communication module establishing communication connection, using first network; second communication module establishing communication connection, using second network; one or more security modules connected to second communication module; and one or more processors connected to first and second communication modules, wherein one or more processors are configured to receive NFC control data and transaction data for NFC service from external electronic device through first communication module, acquire an AID from transaction data for NFC service, determine security module corresponding to AID from one or more security modules, transmit NFC control data and transaction data for NFC service to security module corresponding to AID from one or more security modules through second communication module, and transmit response signal received from security module corresponding to AID from one or more security modules to external electronic device through first communication module.

## Claims

### Claim 1

An electronic device, comprising:
a first communication circuit configured to establish a communication connection, using a first network;
a second communication circuit configured to establish a communication connection, using a second network;
one or more security modules connected to the second communication circuit; and
one or more processors connected to the first communication circuit and the second communication circuit,
wherein the one or more processors are configured to:
receive near field communication (NFC) control data and transaction data for an NFC service from an external electronic device through the first communication circuit,
acquire an application identifier (AID) from the transaction data for the NFC service,
determine a security module corresponding to the AID from the one or more security modules,
transmit the NFC control data and the transaction data for the NFC service to the security module corresponding to the AID from the one or more security modules through the second communication circuit, and
transmit a response signal received from the security module corresponding to the AID from the one or more security modules to the external electronic device through the first communication circuit.

### Claim 2 (depends on 1)

The electronic device of claim 1, wherein the one or more security modules include one or more of the one or more processors, a subscriber identification module (SIM), and an embedded secure element (eSE).

### Claim 3 (depends on 1)

The electronic device of claim 1, wherein the one or more processors are further configured to determine a security module corresponding to a previously acquired AID when the AID is not acquired from the transaction data for the NFC service.

### Claim 4 (depends on 1)

The electronic device of claim 1, further comprising a radio frequency (RF) gate through which the NFC control data and the transaction data for the NFC service are transmitted to the security module corresponding to the AID from the one or more security modules.

### Claim 5 (depends on 1)

The electronic device of claim 1, wherein the response signal is provided to the one or more processors through a radio frequency (RF) gate.

### Claim 6 (depends on 1)

The electronic device of claim 1, wherein the one or more processors are further configured to:
establish a communication connection with the external electronic device through the first communication circuit,
determine one or more applications to be allowed for relay transaction,
create an AID list including AIDs of the determined one or more applications,
acquire one or more radio frequency (RF) parameters for one or more security modules including the determined one or more applications through the second communication circuit, and
transmit the created AID list and the acquired one or more RF parameters to the external electronic device through the first communication circuit.

### Claim 7

An electronic device, comprising:
a first communication circuit configured to establish a communication connection, using a first network;
a second communication circuit configured to establish a communication connection, using a second network; and
one or more processors connected to the first communication circuit and the second communication circuit,
wherein the one or more processors are configured to:
receive an application identifier (AID) list and one or more radio frequency (RF) parameters from a first external electronic device through the second communication circuit,
update a routing table of the first communication circuit based on the AID list, and
update an RF parameter of the first communication circuit based on the one or more RF parameters.

### Claim 8 (depends on 7)

The electronic device of claim 7, wherein the first communication circuit is further configured to establish a communication connection with a second external electronic device, using the updated RF parameter.

### Claim 9 (depends on 8)

The electronic device of claim 8, wherein the one or more processors are further configured to:
acquire one or more AIDs from the AID list,
recognize one or more security modules of the first external electronic device including applications corresponding to the one or more AIDs,
determine at least a portion of the one or more RF parameters based on a number of the recognized one or more security modules, and
update the RF parameter of the first communication circuit, using the determined at least a portion of the one or more RF parameters.

### Claim 10 (depends on 9)

The electronic device of claim 9, wherein the one or more security modules include one or more of one or more processors of the first external electronic device, a subscriber identification module (SIM) of the first external electronic device, and an embedded secure element (eSE) of the first external electronic device.

### Claim 11 (depends on 9)

The electronic device of claim 9, wherein the one or more processors are further configured to:
update the RF parameter of the first communication circuit, using an RF parameter for a subscriber identification module (SIM) of the first external electronic device of the one or more RF parameters when a plurality of security modules is recognized, and
update the RF parameter of the first communication circuit, using an RF parameter for a recognized security module of the one or more RF parameters when one security module is recognized.

### Claim 12 (depends on 7)

The electronic device of claim 7, wherein the one or more processors are further configured to:
establish a communication connection with a second external electronic device through the first communication circuit,
receive NFC control data and transaction data for an NFC service transmitted from the first external electronic device, through the first communication circuit,
transmit at least some of the NFC control data and the transaction data for the NFC service to the first external electronic device through the second communication circuit,
receive a response signal from the first external electronic device through the second communication circuit, and
transmit the response signal to the second external electronic device through the first communication circuit.

### Claim 13 (depends on 12)

The electronic device of claim 12, wherein the first communication circuit is further configured to create and provide NFC control data to the one or more processors when the transaction data for the NFC service is received from the second external electronic device.

### Claim 14

A method of performing relay communication in an electronic device, the method comprising:
receiving near field communication (NFC) control data and relay transaction data for an NFC service from an external electronic device through a first communication circuit of the electronic device;
acquiring an application identifier (AID) from the transaction data for the NFC service;
determining a security module corresponding to the AID of one or more security modules of the electronic device;
transmitting the NFC control data and the transaction data for the NFC service to the security module corresponding to the AID of the one or more security modules of the electronic device through a second communication circuit of the electronic device; and
transmitting a response signal received from the security module corresponding to the AID of the one or more security modules of the electronic device to the external electronic device through the first communication circuit.

### Claim 15 (depends on 14)

The method of claim 14, wherein the one or more security modules include one or more of the one or more processors, a subscriber identification module (SIM), and an embedded secure element (eSE).

### Claim 16 (depends on 14)

The method of claim 14, further comprising determining a security module corresponding to a previously acquired AID when the AID is not acquired from the transaction data for the NFC service.

### Claim 17 (depends on 14)

The method of claim 14, wherein the NFC control data and the transaction data for the NFC service are transmitted to the one or more security modules through a radio frequency (RF) gate.

### Claim 18 (depends on 14)

The method of claim 14, wherein the response signal is provided to the one or more processors of the electronic device through a radio frequency (RF) gate.

### Claim 19 (depends on 14)

The method of claim 14, further comprising:
establishing a communication connection with the external electronic device through the first communication circuit;
determining one or more applications to be allowed for relay transaction;
creating an AID list including AIDs of the determined one or more applications;
acquiring one or more radio frequency (RF) parameters for one or more security modules including the determined one or more applications through the second communication circuit; and
transmitting the created AID list and the acquired one or more RF parameters to the external electronic device through the first communication circuit.

### Claim 20 (depends on 19)

The method of claim 19, wherein determining the one or more applications to be allowed for the relay transaction comprises:
displaying one or more applications supporting the NFC service that are installed in the electronic device; and
determining one or more applications selected by user input from the displayed one or more applications as one or more applications to be allowed for relay transaction.
