Samsung Electronics Co., Ltd.

Hakyung Jung

Jinhyoung Kim

Hyunjoo Lee

Sooyoung Jang

Jungshin Park

Jinho Lee

Jinsung Lee

Youngsuk Sun

Jicheol Lee

Beomsik Bae

Hanna Lim

Sangkyu Park

Jiangwei Xu

Youngki Hong

Giwon Lee

Jaehyun Hwang

Okseon Lee

Sinseok Seo

Yongwoo Nam

Bongjhin Shin

Hyeonhun Jung

Gunuk Lee

Sanggon Lee

Sangkyu Baek

Kisuk Kweon

Vikram Chandrasekhar

Yan Xin

Hyunah Oh

Yeongmoon Son

Mandar Narsinh Kulkarni

Russell Douglas Ford

Pranav Madadi

Franklin Antony

Panhyung Lee

Yunju Lee

Jonghwa Park

Junghwan Lim

A method of solving a problem of a network and an electronic device for performing the method are provided. The electronic device includes at least one processor. The processor may determine a representative cause representing a cause of each of anomaly samples of a quality indicator indicating a quality of the network. The processor may perform a time-series analysis on an indicator associated with the representative cause. The processor may propose a solution corresponding to the representative cause and a result of the time-series analysis.

Method of solving problem of network and apparatus for performing the same

Apparatuses and methods for identifying network anomalies. A method includes determining a cumulative anomaly score over a predefined time range based on a subset of historical PM samples and determining an anomaly ratio of a first time window and a second time window, based on the cumulative anomaly score. The method also includes determining one or more anomaly events coinciding with CM parameter changes based on the anomaly ratio; collating the PM, alarm, and CM data into a combined data set based on matching fields and timestamps; generating a set of rules linking one or more CM parameter changes and the collated data to anomaly events; and generating root cause explanations for CM parameter changes that are linked to anomaly events.

Configuration management and analytics in cellular networks

The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a higher data transmission rate beyond 4G communication systems such as LTE. More specifically, a method for transmitting and receiving signals by a base station of a mobile communication system according to one embodiment of the present specification comprises: a step of determining whether to steer a traffic related to a terminal to a wireless LAN; a step for determining a traffic to be steered to the wireless LAN; a step for transmitting, to the terminal, a first message including information for an uplink transmission of the traffic to be steered; and a step for transmitting, to a gateway, a second message including information for a downlink transmission of the traffic to be steered. According to an embodiment of the present specification, in a network and a terminal using both a cellular and a wireless LAN, presented is a method for transferring, via an access network considering the signal strength between the terminal and each access network, a load condition of each access network, a policy of a provider etc., traffic which are sent and received by the terminal and the network.

Method and apparatus for steering traffic between cellular network and wireless local area network (LAN) network in mobile communication system

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is a method of operating a device in a communication system. The method includes: configuring a threshold parameter for data transmission/reception based on at least one of an application characteristic, a network utilization, and a network speed; and controlling data transmission/reception with a network based on the threshold parameter The threshold parameter is relevant to at least one of an amount of data, which can be received by the proxy device and an amount of data which can be transmitted by the proxy device.

Apparatus and method for controlling data transmission in communication system

A method of a virtual reality (VR)-related device is provided, which includes setting a reference direction; receiving data; determining whether a direction of the data and the reference direction are different; modifying the direction of the data if the direction of the data and the reference direction are different; and transmitting data having the modified direction.

Method and apparatus for selecting communication interface in wireless communication system

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). Disclosed is a method of operating a proxy device in a communication system. The method includes: receiving information on at least one domain name from an external server; generating connection information on the at least one domain name; receiving a domain name system (DNS) query message including one of the at least one domain name from a client device; and establishing a connection to a server corresponding to the domain name included in the DNS query message based on the connection information.

Apparatus and method for controlling connection in communication system

The present disclosure relates to a terminal using and a communication method thereof. In the communication method, the terminal receives at least one data segment from a sender and transmits at least one acknowledgment (ACK) segment corresponding to the at least one data segment to the sender. In addition, the terminal transmits a predetermined number of optimistic ACK segments corresponding to data segments to be received to the sender. Other embodiments are also possible.

Terminal and communication method thereof

The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a proxy device in a communication system of the present disclosure includes identifying a packet loss rate on a wireless connection between a terminal and a server, determining whether the packet loss rate is greater than a predetermined threshold value, and proxying, if the packet loss rate is greater than the threshold value, the connection between the terminal and the server.

TCP proxy device-assisted communication method and apparatus in wireless communication

The present disclosure relates to a communication method and a system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of a communication apparatus includes determining an acknowledgement (ACK) transmission frequency for each flow, based on a state of a transmission control protocol (TCP) transmitter, identifying whether uplink resources are insufficient, selecting a flow for adjustment of the ACK transmission frequency when the uplink resources are insufficient, and adjusting the ACK transmission frequency of the selected flow.

Method and apparatus for transmitting TCP ACK in communication system

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as long term evolution (LTE). The present disclosure relates to a wireless communication system supporting a multi-radio access technology (RAT). A method of operating a base station (BS) supporting a first RAT is provided. The method includes receiving information indicating a communication requirement from a terminal, determining whether the terminal needs to be connected with a different BS through a second RAT on the basis of the received information indicating the communication requirement, and if the terminal needs to be connected with the different BS through the second RAT, transmitting to the terminal a measurement configuration message for the second RAT.

Apparatus and method for radio connection in wireless communication system

Methods and apparatus for selecting communication interface in wireless communication system

The present invention relates to a method and an apparatus enabling a terminal to obtain information required for a wireless LAN AP search from a cellular base station in order to use a wireless LAN service, and to access a wireless LAN AP having a low network load in a short time. The communication method of a terminal according to one embodiment of the present invention may comprise the steps of: switching a channel to an AP scanning channel, which is a channel for searching for a wireless LAN AP between the terminal and the wireless LAN AP; transmitting a wireless LAN AP search signal from the AP scanning channel; receiving, from the wireless LAN AP, a wireless LAN AP response signal, transmitted after an offset time set in accordance with the load state of the wireless LAN AP; and switching the channel to a data transmitting and receiving channel for data communications with the wireless LAN AP. According to one embodiment of the present invention, the terminal can always select the AP having the lowest load by performing a search on all surrounding wireless LAN APs.

Method and apparatus for fast scanning for wireless LAN AP search having low network load

The present invention relates to a method and an apparatus for searching for an access point of a terminal in a wireless communication system, and the method for searching for an access point of a terminal in a wireless communication system according to the present invention comprises the steps of: transmitting a probe request frame including an identifier for searching for a specific access point; receiving a probe response frame transmitted from the access point related to the identifier; and connecting to the access point having transmitted the probe response frame.

Method and apparatus for searching for access point in wireless communication system

Disclosed are a signal transmitting method by a BS and a discovery method by a terminal to perform a WLAN discovery. The signal transmitting method by the BS includes: collecting information including beacon transmission periods and beacon transmission time of one or more WLAN Access Points (APs) within a cell range of the BS; generating grouping information in which beacon transmission time of the WLAN APs is mapped to a time area divided according to a grouping level from a reference time by using the collected information; and transmitting the grouping information to one or more reception terminals within cell range of the BS. Further, the discovery method by the terminal includes: receiving grouping information in which beacon transmission time of one or more WLAN Access Points (APs) is mapped to a time area divided according to a grouping level from a reference time; and discovering a WLAN AP only during a time to which the beacon transmission time is mapped according to the grouping information. Accordingly, the terminal can energy-efficiently discover a WLAN.

Method and apparatus for discovering WLAN

Growing community of inventors

Seoul, South Korea

Hakyung Jung