Samsung Electronics Co., Ltd.

Chounjong Nam

Doosuk Kang

Bokun Choi

Junghun Lee

Hyunkee Min

Sunkey Lee

Taehun Lim

Junhak Lim

Minwhoa Hong

Sunkee Lee

Junyeop Jung

Seongsu Choi

Jung-Hun Lee

Junsu Choi

Madhan Raj Kanagarathinam

Sunghee Lee

Karthikeyan Arunachalam

Gaurav Sinha

Kiyeong Jeong

Dronamraju Siva Sabareesh

Jihoon Sung

Gongbo Moon

Youngkow Lee

Minho Kang

Sujith Rengan Jayaseelan

Gunjan Kumar Choudhary

Jaheon Gu

HariKrishnan Natarajan

Mincheol Jeong

Changmok Yang

Sungbin Min

Subramanyam Nalli

Heeseok Ahn

Insick Jung

An embodiment of an electronic device according to the present disclosure may comprise: a communication circuit for transmitting or receiving data through a plurality of links; a memory for storing mapping data in which data rates and frame error rates for the plurality of links are mapped; and a processor operatively connected to the communication circuit and the memory, wherein the processor is configured to: in response to a request for transmitting a packet corresponding to a first type, identify a link, through which the number of packets less than a predesignated value have been transmitted or received, from among the plurality of links; transmit or receive a plurality of packets corresponding to a second type through the identified link; identify frame error rates for the plurality of packets corresponding to the second type; and update the mapping data on the basis of the identified frame error rates.

Electronic device for updating frame error rate of link and operation method of electronic device

According to an embodiment of the disclosure, an operating method of an electronic device in a wireless communication system includes: establishing a wireless communication connection for transmitting and receiving data to and from an access point in a first communication method; receiving a state detection message from the access point; identifying an internal state of the electronic device in response to the state detection message being received; and determining whether to switch a communication interface, based on the identified internal state, and the internal state includes a received signal strength indicator (RSSI) value of the wireless communication connection, information regarding whether a network switching mode of the electronic device is enabled, information regarding whether an application related to the data is enabled, and/or information regarding use of the data.

Apparatus and method for switching communication interface in wireless communication system

An electronic device may include at least one wireless communication module configured to transmit and receive a wireless signal; a memory electrically configured to store instructions; and at least one processor operatively connected to the at least one wireless communication module and the memory, the at least one processor being configured to execute the instructions to: based on an attempt to connect to an access point (AP), identify whether a pairwise master key security association (PMKSA) for the AP, generated based on to a previous connection of the electronic device to the AP, is present, and based on identifying that the PMKSA is present, determine whether to reuse a pairwise master key (PMK) stored in the PMKSA by comparing a lifetime of the PMK with a margin time in which a use of the PMK is guaranteed.

Electronic device and method of using pairwise master key

An electronic device according to various embodiments may include: a communication circuit, a memory, and at least one processor functionally connected to the communication circuit and the memory, wherein the at least one processor is configured to: perform wireless communication with an external electronic device through the communication circuit, based on a shared secret key generated by the electronic device in a process of configuring an association with the external electronic device, transmit, to the external electronic device through the communication circuit, a renewal frame for renewing the shared secret key, at a time point at which a lifetime of the shared secret key expires or at a time point a specified time ahead of the time point at which the lifetime of the shared secret key expires, and renew the shared secret key to perform wireless communication with the external electronic device through the communication circuit, based on the renewed shared secret key.

Method for performing shared secret key renewing and electronic device for supporting same

According to various embodiments, an electronic device may comprise a communication module, a memory, and a processor electrically connected with the communication module and the memory. The processor may be configured to perform a communication connection with a first access point (AP) of a first service set identification (SSID) and a first security type through the communication module, generate first roaming group information associated with the first AP, identify whether there is an AP having the first SSID and the first security type when roaming while performing the communication connection with the first AP through the communication module, and in response to being not identified the AP having the first SSID and the first security type, perform roaming from the first AP to a second AP which is identified based on the first roaming group information.

Electronic device and method for roaming based on Wi-Fi in electronic device

Disclosed herein is a method and network handover system for handling a data session in a user equipment (UE). The method comprises initiating a data session of at least one application from a plurality of applications with a first communication interface using a first socket of the UE having a first socket file descriptor (SOCKFD) for the data session, detecting a deterioration in a network connection of the first communication interface, identifying a second communication interface, establishing a second socket having a second SOCKFD associated with the second communication interface and migrating the data session from the first communication interface to the second communication interface by mapping the first SOCKFD corresponding to the first socket to the second SOCKFD corresponding to the second socket.

Method and system for network handover on transport layer

An electronic device according to various embodiments comprises: at least one wireless communication circuit configured to transmit and receive wireless signals according to IEEE 802.11 standard; a processor operatively connected to the wireless communication circuit; and a memory operatively connected to the processor, wherein the memory can store instructions allowing, when executed, the processor to: receive a first request message for a tunneled direct link setup (TDLS) session defined by the IEEE 802.11 standard from a first access point (AP) through the wireless communication circuit; determine, on the basis of the first request message, that an external electronic device having requested the TDLS session is connected to a second AP; establish a connection to the second AP through the wireless communication circuit on the basis of the determination; transmit a second request message for the TDLS session to the second AP; and establish the TDLS session with the external electronic device through the second AP on the basis of the reception of a response message to the second request message from the external electronic device. Additional various embodiments are possible.

Electronic device connected to external electronic device through wireless communication channel by using TDLS session defined by IEEE 802.11 standard

According to various embodiments, a method of controlling data communication of an electronic device, the method comprising performing the directional wireless communication together with an external electronic device capable of performing the directional wireless communication and the omni-directional wireless communication, by using the first wireless communication circuit, determining the distance between an electronic device and the external electronic device, at least partially on the basis of a signal of the external electronic device received by using the second wireless communication circuit, when the stop or degradation of the directional wireless communication is detected, and determining whether to reattempt the directional wireless communication using the first wireless communication circuit, at least partially on the basis of the determined distance or to start the omni-directional wireless communication using the second wireless communication circuit. Other embodiments are possible.

Method, electronic device, and storage means for controlling data communication

The electronic device according to various embodiments comprises: a housing structure; a user interface located in the housing structure; a network interface that can be connected by wire or wirelessly; a wireless communication circuit configured to communicate with an external device by using frequencies between 10 GHz and 100 GHz; a processor located in the housing structure and operatively connected to the user interface, the network interface, and the wireless communication circuit; and a memory located in the housing structure and operatively connected to the processor. When the memory is running, the processor may: establish a first communication channel with a first external device by means of the wireless communication circuit; receive authentication information from the first external device by means of the first communication channel; receive data from the first external device by means of the first communication channel, while or after receiving the authentication information; store the received data in the memory at least temporarily; establish a second communication channel with a second external device by means of the network interface, by using the authentication information; and store commands for transmitting the stored data to the second external device by means of the second communication channel. Other embodiments are possible.

Method and electronic device for controlling data communication

Various embodiments of the present invention relate to an electronic device for controlling communications. The electronic device may comprise: a housing including a first side and a second side facing the first side; a touch screen display exposed through the first side; a wireless communication unit for generating a directional beam in order to establish a wireless communication channel with an external electronic device; a sensor mounted in the housing; at least one processor mounted in the housing and electrically coupled to the display, the wireless communication unit and the sensor; and a memory mounted in the housing and electrically coupled to the at least one processor. The memory according to the various embodiments of the present invention is, when executed, characterized in that the processor is configured to: perform a first direction search for determining the direction of the directional beam corresponding to a first section, wherein the first section falls within a range corresponding to the direction of the electronic device; detect a change in direction of the electronic device by using the wireless communication unit and the sensor; and in response to the change of direction, perform, at least partially, a second direction search corresponding to a second section on the basis of the detected direction change, wherein the second section falls within a range corresponding to the changed direction of the electronic device, and the second section has a smaller range than that of the first section. Other embodiments are possible.

Electronic device for controlling communications and method for operating same

An electronic device according to various embodiments may include a housing including a first surface facing a first direction and a second surface facing a second direction opposite the first direction, a touchscreen display exposed through a portion of the first surface, at least one wireless and/or wired communication circuit disposed inside the housing, at least one processor disposed inside the housing and electrically connected to the display and the communication circuit, and a memory disposed inside the housing and electrically connected to the processor. The communication circuit and/or the at least one processor may be configured to be in one of a plurality of states for exchanging data on a bus based on a plurality of generations of the peripheral component interconnect express (PCIe) standard. The plurality of states may include a first state using a first clock rate and a first data encoding rate based on a first one of the plurality of generations, a second state using a second clock rate and a second data encoding rate based on a second one of the plurality of generations, and a first recovery state defined in the first one of the plurality of generations.

Electronic device and method for controlling a mode of connection interface

Growing community of inventors

Gyeonggi-do, South Korea

Chounjong Nam