Samsung Electronics Co., Ltd.

Sungkyunkwan University

Qualcomm Incorporated

Dae-Gyun Kim

Beom-Sik Bae

Jung-Soo Jung

Chang-Hoi Koo

Hwan-Joon Kwon

Seung-Hoon Park

Yu-Chul Kim

Chi-Woo Lim

Youn-Sun Kim

Hyun-Seok Ryu

Dong-Hee Kim

Kyung-Kyu Kim

Dong-Seek Park

Hyun-Seok Lee

Jin-Kyu Han

Hoon Suk Chang

Yong Chang

Kyung-Joo Suh

Jung-Shin Park

Cheol Mun

Young-Bin Chang

Sang-Kyu Baek

Yeong-Moon Son

Ho-Kyu Choi

Nae-Hyun Lim

Yegin Alper

Jung-Je Son

Won-Il Roh

Hyung-Jin Choi

Jin-Weon Chang

Young-Joong Mok

Jun-Hyuk Song

Sueng-Jae Bae

Dong-Hyun Kim

Min Hee Jang

Jin-Soo Park

Sung-Won Lee

Dong-Ho Cho

Yeon-Ju Lim

Geun-Hwi Lim

Sang-Hyo Kim

Min Young Chung

Won-Jun Hwang

Min-Koo Kim

Robert Jerrold Marks

Min-Young Chung

Jung-Su Jung

Anil Agiwal

Sung-Ho Choi

Hyun-Jeong Kang

Min-Goo Kim

Jung-Won Kim

Dong Hyun Kim

Young-Ky Kim

Jae-min Ahn

Pan-Yuh Joo

June Moon

Purva R Rajkotia

Hoon Huh

Hyun-Suk Lee

Dong-Jun Lee

Yun-Ok Cho

Yu-Suk Yun

Sun-Mi Kim

Dong-Joon Lee

Jung-shin Park

Jun-Hwan Oh

Sueng Jae Bae

Dae-woo Lee

Jin Whan Kang

Jung-Woo Cho

Veronica Kondratieva

Ja-Heon Gu

Won-Joon Hwang

Young-Wook Jung

Jae-Chen Yu

Han-Kyu Park

Myoung-Won Lee

Ji-Hae Yi

Chang-Hol Koo

Min-Kyeong Kim, Legal Representative

Myung Hoon Koh

Kyung-Hoon Won

Wi-Pil Kang

Kyung-Hun Won

Jin-Hwan Kang

Seung-Sik Shin

Hwan-Joo Kwon

Boem-Sik Bae

Chang-Hoi c/o Samsung Electronics CoLtd Foo

Hoon c/o Samsung Electronics CoLtd Chang

A method and a device for managing mobility of a mobile station in an Internet Protocol (IP) based network are provided. The method includes receiving a request for allocation of an IP address from an application, determining a type of IP address to be allocated to the application based on the request for the allocation of the IP address, and allocating the determined type of IP address to the application.

Method and device for managing mobility in IP based network

A method and an apparatus for transmitting a packet in a system performing a Device to Device (D2D) direct communication are provided. In the method, whether to transmit a small packet is determined. When small packet transmission is determined, at least one peripheral reception device is informed of whether the small packet is transmitted at a scheduling point.

Method and apparatus for transmitting packet in system performing D2D direct communication

Disclosed is a method for controlling interference for D2D communication. The method includes: identifying whether a position of a first user device belongs to a first area that satisfies a predetermined criterion; and if the position of the first user device is identified to belong to the first area, determining some resources constituting dedicated resources of the first area, among available resources of a signal for discovering a counterpart user device of D2D communication by the first user device, as resources of the signal.

Method and apparatus for controlling interference in device-to-device communication

The present disclosure provides a method for performing a cellular communication in a device-to-device communication system, the method comprising the operations of: receiving scheduling to transmit an uplink signal through a specific resource of a discovery channel from a base station; generating uplink scheduling information notifying scheduling of the uplink signal; and transmitting the uplink scheduling information through at least one discovery resource of the discovery channel.

Channel structure for discovering terminal in wireless communication system, and power control method and apparatus

An apparatus and method is provided for generating one packet with transmission data and transmitting the packet from an access network transceiver system (ANTS) to a plurality of access terminals (ATs) in a mobile communication system including the ATs and the ANTS which are capable of performing packet data communication with ATs located in coverage thereof. The method includes the steps of generating a medium access control (MAC) header including information on a receiving AT's address, a length and format for transmission data, generating a MAC payload, by consecutively connecting data units to be transmitted to the receiving AT, and generating a MAC trailer. The ANTS pads '0' bits to the MAC header if a predetermined MAC size is greater than a sum of lengths of the MAC header, the MAC payload and the MAC trailer.

Apparatus and method for transmitting/receiving multiuser packet in a mobile communication system

An apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas are provided. A receiver estimates a fading channel of received data, selects a weight set relative to a maximum data transmission rate from at least one weight set with elements of a plurality of orthogonal weight vectors, and transmits feedback information including the selected weight set and channel-by-channel state information to a transmitter. The transmitter demultiplexes data to be transmitted on a basis of the feedback information into at least one sub-data stream, multiplies each sub-data stream by an associated weight, and transmits the data.

Apparatus and method for transmitting/receiving data in a mobile communication system using multiple antennas

The present disclosure relates to a device-to-device (D2D) communication for direct communication between nodes in a wireless communication system, wherein an operation method of a terminal includes the steps of: generating sequences, which belong to an orthogonal sequence set, according to a sequence pattern corresponding to a priority of a link; and transmitting the sequences, as signals for measurement of a reception electric power of a counterpart terminal, through sub-blocks within a channel, wherein one sequence is transmitted through each of the sub-blocks.

Method and apparatus for measuring link quality in wireless communication system supporting device-to-device communication

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 a long term evolution (LTE). A method for providing a device-to-device (D2D) communication-based service for an isolated user equipment (IUE) by a relay user equipment (RUE) in a mobile communication system is provided. The method includes establishing a D2D link with an IUE; and supporting establishment of a relay cellular link for the IUE based on the established D2D link, wherein the RUE is within a service coverage of an enhanced node B (eNB).

Apparatus and method for providing device-to-device communication-based service for isolated user equipment in mobile 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 a long term evolution (LTE). The present invention relates to a method for selecting, by a device, a peer discovery resource (PDR) in a device-to-device (D2D) communication system, the method comprising the steps of: determining a PDR selection range which can be selected by the device; and selecting a PDR in the determined PDR selection range.

Apparatus and method for selecting peer discovery resource in device-to-device communication system

A method for allocating resources for Device-to-Device (D2D) communication in a transmitting terminal is provided. The method includes receiving broadcast resource allocation information for the D2D communication from a Base Station (BS), and measuring a channel quality of a downlink signal received from the BS and, if the measured channel quality is smaller than a predetermined threshold, conducting the D2D communication using the resource allocation information.

Method and apparatus for allocating resources for D2D communication

An apparatus is configured to perform a method for performing distributed scheduling by a reception device configuring a target link corresponding to one of a plurality of links in a network in which the plurality of links for device to device communication exist. The method includes adding up resource allocation demand amounts included in resource information broadcasted by a counterpart device configuring the target link and one or more adjacent transmission devices by a preset Resource Unit (RU), and adjusting self resource information in consideration of resource position information included in the broadcasted resource information and the added resource allocation demand amount and transmitting the adjusted self resource information to the counterpart transmission device.

Apparatus and method for distributed scheduling in wireless communication system

A method and apparatus for performing initial entry for Device-to-Device (D2D) communication in a wireless communication system include transmitting an initial entry request including a service request for D2D communication to a Mobility Management Entity (MME) by a terminal, and if the service request for D2D communication is accepted, receiving information indicating that the initial entry request is accepted, including D2D communication information from the MME by the terminal.

Method and apparatus for performing initial entry for device-to-device communication in a wireless communication system

A subscriber station performs a method for managing a security key. The method includes generating, for each of the base stations, an input value for generation of the security key for data transmission and reception with the each base station; transmitting, to the each base station, the input value for a corresponding base station; and generating the security key of the corresponding base station by using the input value of the each base station. A base station provides cooperative communication to the subscriber station.

Method and device for managing security key for communication authentication of subscriber station used in cooperative communication of multiple base station in radio communication system

A method for operating a device in a wireless communication system supporting Device to Device (D2D) communication system includes receiving a reference signal from each of at least one transmitting device, estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and adjusting a transmit frequency of a voltage controlled oscillator of the device using the estimated frequency offset estimation. An apparatus for compensating for a frequency offset of a device in a wireless communication system supporting Device to Device (D2D) communication system includes a frequency offset estimator configured to receive reference signals from each of at least one transmitting device, and estimating a frequency offset between the reference signals and a comparison reference signal corresponding to the reference signals, and a voltage controlled oscillator configured to adjust a transmit frequency using the estimated frequency offset.

Apparatus and method for supporting device to device communication

A method for routing data by a Corresponding Mobility Agent (CMA) in a mobile communication system is provided. The method includes managing mobility for a Mobile Station (MS) with a Mobile Access Gateway (MAG), and routing a data packet between a Corresponding Node (CN) and the MS based on a location of the MS, wherein the CMA is mapped to an application server which provides an application service.

Apparatus and method for routing data in mobile communication system

Growing community of inventors

Seongnam-si, South Korea

Dae-Gyun Kim