Samsung Electronics Co., Ltd.

Keonyoung Lee

Daejun Kang

Sangwon Kim

Hyeonsoo Kim

Dongsuk Jung

Yongjae Jung

Sunmin Hwang

Yushin Kim

Jinmo Lee

Hoyeon Lee

Suyoung Park

Dongjin Lee

Kyoungho Lee

Jiwon Choi

Sungsick Kim

Janggun Bae

Sukkyung Yoon

Kipyo Nam

HyeonSoo Kim

Gwanghyun Gho

Eunseok Yang

Bumjin Jung

Kwanghoo Yoon

According to various embodiments, an electronic device may comprise a wireless communication circuit, an application processor, and a communication processor. The communication processor may be configured to receive data inactivity timer information through the wireless communication circuit from a base station, drive a data inactivity timer based on a first setting value corresponding to the received data inactivity timer information, in a radio resource control (RRC) connected state for the base station, receive a data inactivity-related event from the application processor, change the first setting value to a second setting value in response to the reception of the data inactivity-related event, and release an RRC connection for the base station in response to identifying that the data inactivity timer expires based on the changed second setting value. Other various embodiments are possible as well.

Electronic device and method for controlling connection with communication network in electronic device

An electronic device includes at least one antenna and a processor configured to transmit and receive data to and from the a base station connected by communication, through the at least one antenna, perform a handover from the first base station to a second base station, receive first system information broadcast from the second base station, identify information related to a system information request based on the first system information, identify a time point for transmitting a system information request based on a data inactivity timer, and transmit a system information request to the second base station based on the information related to a system information request at the identified time point for transmitting a system information request.

Electronic device and method for receiving system information in electronic device

According to various embodiments, an electronic device may comprise: at least one antenna and a communication processor. The communication processor may be configured to: transmit a system information request to a base station through the at least one antenna, identify an electric field state of a reception signal, in response to a failure in the system information request, set a retransmission period of the system information request based on the identified electric field state of the reception signal, and retransmit the system information request based on the set retransmission period of the system information request.

Electronic device and method for transmitting system information request in electronic device

In an electronic device and a method for operating an electronic device according to various embodiments of the disclosure, the electronic device may include: a first communication circuit configured to support first cellular communication; a second communication circuit configured to support second cellular communication; and a processor, and the processor may be configured to: control the second communication circuit such that the first cellular communication connection is released and the second cellular communication connection is performed or the second cellular communication connection is maintained in response to reception and/or transmission of a call connection request message while being connected to a network, determine, in response to termination of the call connection, whether to release the second cellular communication based on whether at least one condition including a condition related to whether a system information block receivable via the second cellular communication is received is satisfied, and perform the first cellular communication connection based on information for the first cellular communication connection included in the system information block.

Electronic device for performing connection to node based on status of network and method for the same

Various embodiments of the disclosure relate to a device and a method for controlling dual connectivity (DC) in an electronic device. An electronic device may include: a first communication circuit configured to support a first cellular communication or a second cellular communication; and a second communication circuit configured to support the second cellular communication, wherein the first communication circuit may be configured to: perform first cellular communication with a first node; based on information related to measurement of a synchronization signal of the second cellular communication not being received from the first node, identify information related to transmission of the synchronization signal of the second cellular communication; configure an interval related to measurement of the synchronization signal of the second cellular communication based on the information related to transmission of the synchronization signal of the second cellular communication; and perform measurement of the synchronization signal of the second cellular communication in the interval related to measurement of the synchronization signal of the second cellular communication.

Electronic device for controlling dual connectivity and operating method thereof

The present invention is for transmitting capability information of a user equipment (UE), and a method of operating an electronic device according to various embodiments may comprise receiving system information from a cell of a first radio access technology (RAT); generating a message selectively including capability information of the electronic device for the second RAT according to whether the system information includes information about a cell of a second RAT different from the first RAT; and transmitting the message to the cell of the first RAT. In addition, various embodiments are possible.

Method for transmitting capability information of user equipment and electronic device therefor

Disclosed in various embodiments of the present invention are: an apparatus using a modulation and coding scheme (MCS) index table in a wireless communication system; an MCS index table determination method therefor; and an apparatus therefor. According to various embodiments of the present invention, an electronic device comprises at least one communication circuit for supporting wireless communication with a base station, a memory for storing at least two MCS index tables, and a processor operatively connected to the communication circuit and the memory, wherein the processor receives downlink control information (DCI), which includes a retransmission MCS index so as to be retransmitted from the base station, by using the communication circuit when a cyclic redundancy check (CRC) fails, compares same with the retransmission MCS index stored in the memory, on the basis of the retransmission MCS index of the downlink control information, determines a mismatch between the MCS index tables on the basis of determining that the retransmission MCX indexes differ, and restores the MCS index table on the basis of determining the mismatch between the MCS index tables. Additional various embodiments are possible.

Method for determining MCS index table in wireless communication system, and apparatus therefor

An electronic device is provided. The electronic device includes at least one communication processor configured to support a first network communication and a second network communication, and a memory configured to store information about at least one first band supporting dual connectivity for the first network communication and the second network communication among a plurality of bands which correspond to the first network communication supported by the electronic device, and the at least one communication processor may be configured to camp on a first cell supporting the first network communication, after camping on the first cell, perform a measurement on at least some of the at least one first band among the plurality of bands in an idle state, and perform a cell reselection based on a measurement result for the at least some of the at least one first band. Herein, a measurement on a remaining band except for the at least one first band among the plurality of bands may not be performed.

Electronic device to support dual connectivity and operating method thereof

An electronic device according to various embodiments may include: at least one communication processor configured to support at least one network communication, wherein the at least one communication processor is configured to: enter an inactive state based on detecting an RRC release message after establishing an RRC connection with a first cell and entering a connected state, identify that a service cannot be provided in the inactive state, perform a search until a timer started based on a reception of the RRC release message expires, and maintain the inactive state based on camping-on a selected cell based on a result of the search.

Electronic device for performing searching and method for operating the same

An electronic device for providing a communication service, and an operating method thereof is provided. Herein, the electronic device may include a communication circuitry, at least one processor, and a memory operatively coupled with the at least one processor to store a Tracking Area Identifier (TAI) list. The memory may include instructions, when executed, causing the at least one processor to run a specified first timer upon detecting an attach failure or a Tracking Area Update (TAU) failure in a first cell, perform cell reselection on a second cell during the first timer runs, determine whether a TAI of the second cell is included in the TAI list, and when the TAI of the second cell is included in the TAI list, forcibly expire the first timer, and transmit an attach request message or a TAU message through the communication circuitry.

Electronic device for providing communication service and method thereof

According to an embodiment, an electronic device comprises: at least one processor, wherein the at least one processor may be configured to: receive a first message indicating a packet data convergence protocol (PDCP) state of a network from the network, identify a first missing count (FMC) of the network based on the first message, identify a count of a message scheduled to be transmitted by the electronic device, compare the count of the message scheduled to be transmitted with the FMC, and adjust the count of the message scheduled to be transmitted based on a result of the comparison.

Electronic device transmitting and receiving packets and method of operating the same

An electronic device according to various embodiments may include: a wireless communication circuit, and a processor operatively connected to the wireless communication circuit, wherein the processor is configured to: receive first system information broadcast from a first base station supporting a first cellular network using the wireless communication circuit, identify whether the first base station is broadcasting second system information including information of a second base station supporting a second cellular network neighboring the first base station from the first system information, establish a connection with the second base station based on the second system information being received using the wireless communication circuit based on identifying that the first base station is broadcasting the second system information, and establish the connection with the second base station based on third system information being received using the wireless communication circuit based on identifying that the first base station is not broadcasting the second system information.

Electronic device and cell selection method thereof

An electronic device may include a first subscriber identity module (SIM), a second SIM, a communication circuit, a memory, and a processor. According to an embodiment, the memory may store instructions that when executed, cause the processor to set the first SIM to a SIM associated with a data service, and the second SIM to a SIM irrelevant to the data service to determine first capability information associated with a function supported by the electronic device in connection with the first SIM, and second capability information associated with a function supported by the electronic device in connection with the second SIM. The instructions may also cause the processor to transmit the first and second capability information to the network, and to receive allocation of a resource for wireless communication corresponding to each of the first and second SIM from the network, based on the first and the second capability information.

Electronic device and method for operating thereof

Provided are an electronic device and an operation method thereof. The electronic device may include: at least one communication processor configured to perform transmission and/or reception of a packet with a master node via cellular communication; and an application processor, wherein the at least one communication processor may be configured to control the electronic device to: receive, from the master node, a paging message including an indicator indicating a service type for transmission and/or reception of the packet; and activate the application processor based on performing a radio resource connection (RRC) connection with the master node, in response to identifying that the service type included in the indicator corresponds to a predetermined service type.

Electronic device for receiving paging message and operation method thereof

An electronic device and a method thereof are provided. The electronic device includes at least one communication processor which receives data via a first cellular communication or a second cellular communication, and an application processor, wherein the at least one communication processor is configured to receive, from a master node corresponding to the first cellular communication, first partitioned data among partitioned data produced by partitioning the data, and receive second partitioned data from a secondary node corresponding to the second cellular communication, identify a first sequence number of the first partitioned data and a second sequence number of the second partitioned data, and induce a decrease in or a stop of transmission of pieces of partitioned data to the electronic device via a node which transmits partitioned data corresponding to a small sequence number.

Growing community of inventors

Suwon-si, South Korea

Keonyoung Lee