Samsung Electronics Co., Ltd.

Dms Co., Ltd.

Snu Rdb Foundation

Kwang Hoon Han

Jae Hoon Kim

Kyung Hun Jang

Chang Yong Shin

Jae Hyun Kim

Myeong Wuk Jang

Won Jong Noh

Won Jae Shin

Kyounghoon Han

Kun Joo Park

Kee Hyun Kim

Weon Mook Lee

Sung Hoon Lim

Do Jun Byun

Heeyeop Chae

Sung Hyun Choi

Yeon Chul Shin

Jong Hoe Koo

Seung Kyu Baek

Gyu Jin Lee

Kwang Taik Kim

A source node includes a topology information extractor configured to acquire information of a channel state between nodes included in a multicast network, and extract topology information of the multicast network. The source node further includes a relay node selector configured to select, from the nodes, a relay node to relay a packet transmitted from the source node, based on the topology information.

Method and apparatus for relaying in multicast network

A multiple multicast network system and method for ensuring reliability in such a network are provided. A multiple multicast method in a multiple multicast network system may include grouping terminals having data to be transmitted to each other in a group. The method transmits, by each of the terminals in the group, data of each of the terminals to the other terminals in the group. In response to receiving the data, the method provides, to the terminals in the group, as feedback, missing packet information, and generates, by a terminal among the terminals in the group, a secondary network-coded packet by performing network coding based on a successfully received packet and data of each of the terminal, and transmits the secondary network-coded packet to the other terminals in the group based on the missing packet information.

Multiple multicast network system and method for ensuring reliability

A communication method of an access point (AP) for retransmission of a multicast packet in a network including the AP and terminals, includes selecting a candidate terminal to be used to retransmit the multicast packet, from the terminals, and retransmitting the multicast packet, using the candidate terminal.

Communication method for access point and terminal for retransmission of multicast packet in network including access point and plurality of terminals

A method of multi-hop cooperative communication includes recognizing a plurality of relays capable of cooperating with one another to amplify or quantize and forward mixed signals received from a plurality of different nodes, selecting a transmission mode from a direct mode for transmission from a base station directly and a cooperation mode for transmission from the base station via the plurality of relays, transmitting data from the base station directly to a terminal through a first radio resource in the direct mode in response to the selected transmission mode being the direct mode, and transmitting data from the base station to the terminal via the plurality of relays through a second radio resource in the cooperation mode in response to the selected transmission mode being the cooperation mode.

Method of multi-hop cooperative communication from terminal and base station and network for multi-hop cooperative communication

Provided is a method and a terminal for a multi-hop network. The method includes determining whether channel information is necessary to transmit data processed based on a transmission scheme used in the multi-hop network and outputting a result indicative thereof. The method includes configuring channel information based on the transmission scheme, based on the result. The method further includes transmitting the configured channel information and the data processed using the configured channel information.

Method of transmitting and receiving channel information in multi-hop network and terminals therefor

A method and an apparatus are described for a cooperative scheduling using interference between multiple points. For each link, a cooperation set is set including cooperation links for a cooperative scheduling. A cooperation session map is generated that defines a cooperation link selected from the cooperation set for each link in each session of a network. A cooperation group is determined to be scheduled simultaneously using the cooperation session map.

Method and apparatus for cooperative scheduling using interference between multiple points

A scheduling method and a scheduling apparatus based on physical layer network coding for bidirectional traffic are provided. The method includes setting up paths passing through a node to perform the physical layer network coding of the bidirectional traffic of sessions that pass through the node. The method further includes requesting, from neighboring nodes of the node, information to be used to schedule the sessions for the physical layer network coding. The method further includes scheduling the sessions for the physical layer network coding based on a queue differential of each session that is calculated based on the information, and a rate of each link of each session.

Scheduling method and apparatus based on physical layer network coding for bidirectional traffic

Provided is a method and system for relaying data using a plurality of relay nodes. The method may include obtaining a first channel matrix related to a first-hop channel and a second channel matrix related to a second-hop channel, generating an effective interference channel matrix based on the first channel matrix and the second channel matrix, and calculating a null space vector of the effective interference channel matrix.

Method and system for relaying data using a plurality of relay nodes

An endpoint detection device, a plasma reactor with the endpoint detection device, and an endpoint detection method are provided. The endpoint detection device includes an OES data operation unit, a data selector, a product generator, an SVM, and an endpoint determiner. The OES data operation unit processes reference OES data by normalization and PCA. The data selector selects part of the linear reference loading vectors and selects part of the selected linear reference loading vectors. The product generator outputs at least one reference product value. The SVM performs regression and outputs a prediction product value. The endpoint determiner detects a process wafer etch or deposition endpoint and outputs a detection signal.

Endpoint detection device for realizing real-time control of plasma reactor, plasma reactor with endpoint detection device, and endpoint detection method

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Suwon-si, South Korea

Kwang Hoon Han