Samsung Electronics Co., Ltd.

In-hwan Kim

Ho-jeong You

Ju-han Lee

Seung-gi Chang

Joon-Hee Lee

Jun-hae Choi

Ji-hoon Kim

Dae-gyu Bae

Hyun-ah Sung

Nam-hyong Kim

Jeong-Hoon Park

Dong-seek Park

Yung-Lyul Lee

Kyoung-woo Lee

Yung Lyul Lee

Shaofeng Ding

Seung-seop Shim

Yong-gu Kim

Jeong-Hoon Ahn

Sang-chul Lee

Jin-woo Hong

Noh-byung Park

Joon-hyuk Ryu

Joon-Nyung Lee

Yoon-Soo Kim

Jun-Jung Kim

Yeon-Joo Kim

Jong-woon Lee

Jin-Hyeung Park

Hyo-Seon Lee

Kyoung-Pil Park

An interposer includes a substrate having a mounting area and a test area, first conductive plugs separate from each other, the first conductive plugs being disposed along a first direction and into the test area of the substrate, a first line pattern group including first non-conductive patterns disposed on first centers of the first conductive plugs, and first conductive patterns disposed to bridge first peripheries of a first adjacent pair of the first conductive plugs, and first pads connected to the first conductive patterns at both first ends of the first line pattern group.

Interposer, method of manufacturing interposer, and method of manufacturing semiconductor package

An electronic apparatus, an image compression method thereof, and a non-transitory computer readable medium are provided. The electronic apparatus includes an image inputter configured to receive image data, a memory configured to store data, and a processor configured to convert a pixel value of a frame constituting the image data received by the image inputter to a first data value using a preset algorithm, to determine offset for reducing the number of bits of the first data value based on a range of the converted first data value, to add the determined offset to the first data value to generate a second data value, and to store compressed data formed by compressing the generated second data value in the memory, wherein a header of the compressed data includes information on the number of bits of the second data value and the determined offset.

Electronic apparatus, image compression method thereof, and non-transitory computer readable recording medium

In a method of forming a wiring structure, a first mask having a first opening including a first portion extending in a second direction and a second portion extending in a first direction is formed. A second mask including a second opening overlapping the first portion of the first opening and third openings each overlapping the second portion of the first opening is designed. The second mask is fabricated to include a fourth opening by enlarging the second opening. The fourth opening overlaps a boundary between the first and second portions of the first opening. An insulating interlayer is etched using the first and second masks to form first and second via holes corresponding to the fourth and third openings, and a trench corresponding to the first opening. First and second vias and a wiring are formed to fill the first and second via holes and the trench.

Wiring structure and method of forming the same, and semiconductor device including the wiring structure

A method and apparatus for automatically establishing a wired protected setup between an enrollee requesting registration and a registrar granting registration are provided. The method includes: determining whether a power line communication (PLC) between the enrollee and the registrar is possible; and if it is determined that the PLC with the registrar is possible, receiving a personal identification number (PIN) from the registrar through the power line and transmitting an acknowledgement (ACK) message to the registrar through the power line as a response to the received PIN.

Method for establishing a protected setup and wireless registration requesting device implementing the same

A method of distributing group identifiers IDs (GIDs) in a power line communication (PLC) network, a method of receiving the GIDs, an authentication apparatus, and a PLC apparatus are provided. The authentication apparatus includes: an authentication mode storing unit which stores an authentication mode having a value including one of an authentication authorized mode and an authentication unauthorized mode; a GID request receiver which receives a GID request message from a PLC apparatus; and a GID transmitter which, if the authentication mode is the authentication authorized mode, transmits a GID corresponding to the PLC apparatus to the PLC apparatus. Authentication is realized in a PLC media access control layer distributing the GIDs between a PLC apparatus and an authentication apparatus, so manually inputting a GID into the PLC apparatus is not necessary. Further, the GIDs are distributed via the authentication apparatus, thereby centrally managing the GIDs.

Method of distributing group IDs in PLC network, method of receiving group IDs in PLC network, authentication apparatus, and PLC apparatus

A method of transmitting data more effectively, and more particularly, a method of classifying service traffic, transmitting data according to the classifications of the service traffic, and performing a contention free slot (CFS) allocation in order to transmit data in a power line communication (PLC) network, and an apparatus to do the same. The data transmission method includes determining transmission priority of data according to service traffic characteristics, and transmitting data according to the determined transmission priority, thereby providing differentiated quality of service (QoS) according to service traffic characteristics.

Method of classifying data and transmitting data in a PLC network and apparatus therefor

A method of joining a cell by using a proxy coordinator. The method of joining a cell by using a proxy coordinator includes requesting a second device to operate as a proxy coordinator from a first device positioned out of a beacon frame reachable area of the cell, transmitting a time period to operate as the proxy coordinator allocated by a coordinator of the cell, informing the first device that the second device can operate as the proxy coordinator, transmitting a cell join request to the proxy coordinator from the first device through the second device, and transmitting a beacon frame including time allocation information from the coordinator to the first device through the second device.

Method of joining a cell using a proxy coordinator, and a network therefor

A method of transmitting data more effectively, and more particularly, a method of transmitting data to a group comprising a plurality of reception stations that receive the same data from a transmission station when the stations communicate the data in a power line communication (PLC) network, and an apparatus to do the same. According to the method, a transmission station transmits data to a group including a plurality of reception stations that receive the same data at a time, to prevent a channel bandwidth from being wasted, and to prevent a station that does not desire to receive the data from receiving the data.

Method of multicasting and transmitting data in PLC network and an apparatus thereof

A method and apparatus for packet aggregation in a power line communication network (PLC) are provided. The method of aggregating packets includes: by performing a PLC channel estimation, determining whether or not a channel condition is good; if the channel condition is good, determining whether or not the data desired to be transmitted is suitable for packet aggregation according to the type of data; and if the channel condition is good and the data desired to be transmitted is suitable for the packet aggregation, aggregating packets of the data desired to be transmitted. Since a decision on whether or not to aggregate packets is determined according to a channel condition at a physical level and the type of data at an application level, packet aggregation can be performed in appropriate response to the frequently changing condition of a channel and the characteristic of the data desired to be transmitted.

Method and apparatus for packet aggregation in power line communication network

Provided is an apparatus and method of displaying power line communication (PLC) channel information. The apparatus for displaying PLC channel information includes a channel information determining unit which performs channel estimation of a PLC channel, and, based on the channel estimation, determines channel information on the PLC channel including a bandwidth of the PLC channel which is available for a user in a PLC network; and a channel information displaying unit which displays the channel information to the user.

Apparatus and method of displaying power line communication channel information

A method of data communication between power line communication (PLC) stations belonging to different PLC cells includes transmitting a station ID of a PLC reception station to a PLC cell bridge (CB) of a first PLC cell to which a PLC transmission station belongs, receiving a group identification (GID) and an encryption key of a second PLC cell to which the PLC reception station belongs from the PLC CB of the first PLC cell, encrypting data to be transmitted using the encryption key of the second PLC cell, and transmitting the station ID of the PLC reception station, the GID of the second PLC cell, and the encrypted data, to the PLC CB of the first PLC cell, and an apparatus to perform the method.

Method of data communication between PLC stations belonging to different PLC cells and apparatus thereof

An apparatus and method of transceiving a bit stream, by which a video bit stream is stably transmitted by the effective use of two logic channels when communication is established by the two logic channels during transmission of the video bit stream in a communication network, is provided. In this method, a source is encoded into a bit stream using a predetermined type of coding. Then, the encoded bit stream is transmitted to each communication protocol layer, while the header of each communication protocol layer is added to a payload. The header is transmitted separately from the bit stream.

Apparatus for transmitting/receiving a bit stream in a network and method therefor

A UWB receiver having at least one communication module with a limited working band whose on/off state can be controlled. The UWB receiver is adapted to detect power intensity of a received radio signal in the limited working band based on an on/off state of said at least one communication module. The UWB receiver is adapted to control the on/off state of the at least one communication module based on a result of the detection.

UWB transceiving apparatus and method for dynamically reducing interference

A method for communication between first and second coordinator-based wireless networks connected through a backbone network is provided. The method includes receiving a frame indicating data transmission containing information needed for remote channel time allocation (CTA) from a repeater connecting the second coordinator-based wireless network with the backbone network, sending a remote CTA frame in order for the repeater to request CTA from the coordinator within the second coordinator-based wireless network, and receiving a data frame originated from the first coordinator-based wireless network and then provided by the repeater during assigned channel time.

Method for communication in coordinator-based wireless network and method for communication between coordinator-based wireless networks connected through backbone network

Provided are a channel time allocation method and apparatus adopting the same. The channel time allocation method includes: (a) receiving a request of registering in a network from a device; (b) determining whether the network supplying a service required by the device exists; and (c) if the network supplying the requested service exists, performing a procedure of registering in the network, and if the network supplying the requested service does not exist, generating a new network. Since existing MAC protocols can be used in the channel time allocation method, an optimum service is provided in a network environment in which different kinds of services coexist.

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Suwon-si, South Korea

In-hwan Kim