Samsung Electronics Co., Ltd.

Yonsei University

Jae-min Ahn

Young-Ky Kim

Soon-Young Yoon

Hee-Won Kang

Hi-Chan Moon

Jae-Yoel Kim

Jin-Soo Park

Su-Won Park

Seung-Joo Maeng

Hyun-Suk Lee

Hyun-Seok Lee

Jin-Woo Choi

Seung-Hyun Kong

Chang-soo Park

Kyeong-Cheol Yang

Jong-Seon No

Jae-Heung Yeom

Ha-Bong Chung

Youn-Sun Kim

Dae-sung Cho

Hyeon-Woo Lee

Hyun-gyoo Yook

Je-Woo Kim

Joong-Ho Jeong

Sang-su Nam

Shin-dug Kim

Ji-yon Han

Jong-hyun Yoon

Keon-il Jeong

Eo-hyung Lee

Kyung-lang Park

Chang-Hoi Koo

Hoon Suk Chang

Chae-Man Lim

Hyun-Woo Lee

Yu-Suk Yun

Jae-Yeol Kim

Jeong-sang Lee

Min-joong Rim

Sung-hyun Chung

Hong-Yeop Song

Young Ky Kim

Jeonghwa Song

Uram H Yoon

Ki-Sung Jung

Dae-Gyun Kim

Ho-Kyu Choi

Sung-Oh Hwang

Kwang-Wook Lee

Hi Chan Moon

Seong-Ill Park

Young-Keun Kim

Young-Jun Hwang

Nam-Sun Kim

Sang-Sung Han

Jeong-Gu Lee

Doo-Gyun Kim

Min-Sou Lee

Hee-Woon Kang

Chun-Young Seo

Kwang-Wook Yie

Hae-Won Kang

Chang-Hoi Gu

Soon-Young Y Oon

Hi-Chin Moon

Dae-Cyun Kim

Felix Kwang-Wook Yie

Hee-sub Kim

Jeong-hwa Song

Hoe-Won Kang

U-ram Yoon

Jung-Hyo Woo

A method includes: executing an application prepared by an application programming interface (API) of a platform; and providing a network setting information to be used in the executed application to a display. A network connection is performed by the platform based on the network setting information.

Mobile device and control method thereof

A method includes: executing an application prepared by an application programming interface (API) of a platform; and establishing a network connection. A first network connection is selected based on a determination that the application specifies a network connection, or a default network connection is selected, based on a determination that the application does not specify a network connection.

A resource sharing method for a resource sharing system for a plurality of edge peers that individually store a resource and a plurality of super peers that manage the plurality of edge peers or resource information including a name of the resource that includes at least one key word is provided. In the resource sharing system, the super peers distribute and manage resource information of the edge peers according to a key word. Therefore, if a resource is requested using part of a name of a resource desired by a certain edge peer, the super peer searches for resources including the resource desired by the edge peer. Therefore, a user of an edge peer may acquire a desired resource even using part of a name of a desired resource.

Resource sharing method and system

The mobile device includes a communication unit which performs communication through a network; and a control unit which executes an application prepared by an application programming interface (API) of the network function provided by a platform, and controls the communication unit to perform communication in accordance with a setup of a preferred network if the application includes the setup of the preferred network.

A method and system to utilize an Extensible Markup Language (XML) Configuration Access Protocol (XCAP) in which a MOVE command is newly defined, and a user setting information movement request is processed in one operation, are disclosed. A method of controlling movement of particular user setting information registered in a server includes, at a client, transmitting a movement request message including a movement command to set user information, and at the server, processing movement of the particular user setting information as commanded by the movement request message and transmitting a response message.

Method and system for controlling movement of user setting information registered in server

A peer-to-peer (P2P) network system and a method of operating the P2P network system based on region are provided. If an edge peer storing a resource information list of a super peer migrates to a different super peer and is registered and connected with the different super peer, the edge peer transfers the resource information list to the different super peer to share the resource information list. Resources may be searched based on a region information list into which resource information lists of adjacent super peers are integrated.

Peer-to-peer (P2P) network system and method of operating the same based on region

A peer-to-peer (P2P) network system and a method of operating the P2P network system are provided. The P2P network system includes at least one edge peer storing resources and at least one super peer sharing and managing resource information corresponding to the resources of the at least one edge peer. By updating changes in characteristics of peers due to elimination and movement of any one of a plurality of edge peers and super peers included in the P2P network, path reconfiguration may be performed efficiently.

Peer-to-peer (P2P) network system and method of operating the same

In a transmission device and method for a CDMA communication system, when a shorter frame message is generated during transmission of a longer frame message, the transmission of the longer frame message is interrupted, whereupon the shorter frame message is immediately transmitted in place of a portion of the longer frame message. In one embodiment, after the longer frame message is interrupted and the shorter frame message is transmitted, only the tail portion of the longer frame message is transmitted thereafter. That is, the replaced portion of the longer frame message is not transmitted following the shorter frame message transmission. In an alternative embodiment, following the shorter frame message transmission, the remainder of the longer frame message, from the point of interruption, is transmitted in its entirety. In the latter case, the longer frame message is delayed by the length of the shorter frame message.

Device and method for exchanging frame messages of different lengths in CDMA communication system

A synchronization (sync) code communication device for a CDMA communication system. A base station sync code transmission device comprises a primary sync code transmitter and a secondary sync code transmitter. The primary sync code transmitter is for generating and then transmitting a primary sync code at a first location in a transmission frame. The primary sync code is for acquiring synchronization at a starting point of a frame and the frame is equal to one period of a spreading code. The secondary sync code transmitter is for generating and then transmitting a secondary sync code at a second location in a frame. The secondary sync codes are assigned to base station groups, one to a group. A mobile station sync code receiving device comprises a primary sync code acquisition decider and a base station group decider. The primary sync code acquisition decider is for acquiring a primary sync code received at a first location in a frame, and then acquiring synchronization at a starting point of a frame. The base station group decider is enabled upon acquisition of the primary sync code, receives a secondary sync code transmitted at a second location in the frame, and then determines the base station group to which the transmitting base station belongs.

Apparatus and method for synchronizing channels in a WCDMA communication system

Provided is an interleaving method that can reduce error occurring during transmission at a receiving end in an Orthogonal Frequency Division Multiplexing (OFDM) system. According to the interleaving method, transmitted data bits are recorded in an interleaving memory; and the stored data bits are read based on a predetermined sequence to perform symbol interleaving, tone interleaving and cyclic shift simultaneously. Also, to simplify the logic of the OFDM system, the data bits transmitted from an interleaver go through Fast Fourier Transform (FFT) mapping, and the FFT mapped data bits are modulated. In short, the logic can be simplified by performing FFT mapping followed by modulation.

Interleaving method in OFDM system

An FFT apparatus for quickly processing input signals and method thereof is disclosed. In performing the FFT for processing N input signals, four N/4-point FFT units implemented by radix-2 single-path delay feedback (R2SDF) units performs the FFT with respect to the input signals, and a radix-4 computation unit performs a radix-4 computation with respect to the signals transferred from the N/4-point FFT units. Accordingly, the input signals are processed in parallel through the N/4-point FFT units, and thus a quick process of the input signals can be performed.

FFT apparatus for high data rate and method thereof

A power controlling apparatus and method in a mobile communication system. A receiver in a mobile station multiplexes the frame reception result indicator bits for at least two traffic channels received from a transmitter in a base station, inserts the multiplexed frame reception result indicator bits in a pilot signal bit by bit, and transmits the reverse frame. Then, the transmitter extracts the pilot signal from the reverse frame, demultiplexes the frame reception result indicator bits, and performs a power control on the traffic channels based on the values of the frame reception result indicator bits.

Power controlling apparatus and method in mobile communication system

An access request message transmission device for a mobile station in a CDMA communication system employing RSMA in which a base station assigns a reverse common channel in response to an access request message from the mobile station, and the mobile station transmits a message to the base station over the assigned reverse common channel. The access request message transmission device includes a hash ID generator for generating a multi-bit hash ID for exclusively using the reverse common channel; a traffic information generator for generating multi-bit traffic information representing traffic information on the reverse common channel; and an access channel transmitter for generating the access request message using the hash ID and the traffic information, and transmitting the generated access request message to the base station over an access channel.

RSMA control device and method for mobile communication system

A common power control channel transmission device for a base station in a CDMA communication system is provided having a selector for receiving power control commands to be transmitted to multiple subscribers and multiplexing the received power control commands; and a spreading modulator for spreading an output of the selector by multiplying the output of the selector by a spreading sequence. The common power control channel transmission device can be used to control power of a reverse link common channel. For the power control of the reverse link common channel, the base station receives a signal from a mobile station via the reverse link common channel, and transmits to the mobile station a power control command for controlling a transmission power of the reverse link common channel according to a measured strength of the received signal.

Power control device and method for controlling a reverse link common channel in a CDMA communication system

A traffic channel transmission device for a CDMA communication system using a plurality of coding rates and orthogonal codes, determines a present channel condition and adaptively selects a coding rate and an orthogonal code according to the determination. In the device, a channel receiver receives a channel signal and a controller analyzes the received signal to decide an environment of a channel in service and generates a coding rate select signal and orthogonal code information according to the decision result. A channel transmitter includes a channel encoder for encoding transmission data at a coding rate selected according to the coding rate select signal and an orthogonal modulator for generating an orthogonal code according to the orthogonal code information to spread the encoded data with the generated orthogonal code, whereby the channel transmitter adaptively encodes and spreads the transmission data according to the channel environment. The orthogonal code information includes a number and a length of the orthogonal code.

Rate control device and method for CDMA communication system

Growing community of inventors

Seoul, South Korea

Jae-min Ahn