公开(公告)号：KR1020110064177A

公开(公告)日：2011-06-15

申请号：KR1020090120667

申请日：2009-12-07

Applicant: 성균관대학교산학협력단

Inventor： 윤희용 ,  김경태 ,  최재현 ,  이병준

IPC: H04W52/02 ,  H04W84/18 ,  H04W88/02

CPC classification number: Y02D70/00 ,  H04W52/0216 ,  H04W40/32 ,  H04W52/0261 ,  H04W84/18

Abstract: PURPOSE: A communication method and method thereof reducing power of a sensor node are provided to reduce an unnecessary energy in data transceiving in sensor nodes configuring a WSN. CONSTITUTION: A cluster head which has low consume power for directly communicating with a BS(Base Station) among cluster heads(301~305) is set as a main cluster head. Each cluster heads forms radio frequency sensor nodes and a cluster. Each cluster heads collects information from sensor nodes.

Abstract translation: 目的：提供降低传感器节点功率的通信方法及其方法，以减少配置WSN的传感器节点中数据收发中的不必要的能量。 构成：将集群头（301〜305）内的与BS（基站）直接通信的消耗功率低的簇头设定为主簇头。 每个簇头形成射频传感器节点和群集。 每个簇头从传感器节点收集信息。

公开(公告)号：KR1020110064176A

公开(公告)日：2011-06-15

申请号：KR1020090120666

申请日：2009-12-07

Applicant: 성균관대학교산학협력단

Inventor： 윤희용 ,  이현철 ,  김경태 ,  황명진

IPC: H04W28/14 ,  H04W80/02 ,  H04W28/06

CPC classification number: Y02D70/00 ,  H04W28/14 ,  H04L47/19 ,  H04W28/0278

Abstract: PURPOSE: A communication support device suing a MAC protocol and method thereof are provided to perform communication with a low power and a power saving action. CONSTITUTION: An upper layer processor(110) generates data packet for transmitting with a plurality of sensor nodes. A buffer(120) buffers a generated data packet. A data link layer processor(140) processes the buffered data packet by applying an CA-MAC(Context Adaptive Media Access Control) protocol.

Abstract translation: 目的：提供一种采用MAC协议的通信支持设备及其方法，以执行低功率和省电动作的通信。 构成：上层处理器（110）产生用于与多个传感器节点一起传输的数据包。 缓冲器（120）缓冲生成的数据分组。 数据链路层处理器（140）通过应用CA-MAC（上下文自适应媒体访问控制）协议来处理缓冲的数据分组。

公开(公告)号：KR1020100102393A

公开(公告)日：2010-09-24

申请号：KR1020090020742

申请日：2009-03-11

Applicant: 삼성전자주식회사 ,  성균관대학교산학협력단

Inventor： 김준형 ,  황승오 ,  김준황 ,  윤희용 ,  김경태 ,  이현철

IPC: H04W72/04 ,  H04N5/44 ,  H04N7/14

CPC classification number: H04N7/17336 ,  H04N21/2385 ,  H04N21/26216 ,  H04N21/6125 ,  H04W24/10 ,  H04W28/20 ,  H04W72/0453

Abstract: PURPOSE: A method and an apparatus for allocating a channel bandwidth in a wireless internet protocol television system are provided to allocate an additional band for an additional user while securing the QoS of existing users by using a dynamic band allocation technique depending on an invention. CONSTITUTION: In a unit time setup step, a remaining execution time is measured until a service of the terminals which receive a current service. In a channel band calculation step, a channel band which can be secured per unit time of each terminal which receives a current service. A time information reception unit(601) receives data non-reception execution time information which is an executable time through only the data stored at a buffer(651) of the terminal which receives a current service.

Abstract translation: 目的：提供一种用于在无线因特网协议电视系统中分配信道带宽的方法和装置，以根据本发明使用动态频带分配技术来确保现有用户的QoS，同时为附加用户分配附加频带。 构成：在单位时间设置步骤中，测量剩余执行时间，直到接收当前服务的终端的服务。 在信道频带计算步骤中，可以接收当前业务的每个终端的每单位时间可以保证的信道频带。 时间信息接收单元（601）仅通过存储在接收当前服务的终端的缓冲器（651）上的数据来接收作为可执行时间的数据非接收执行时间信息。

公开(公告)号：KR1020090119038A

公开(公告)日：2009-11-19

申请号：KR1020080044838

申请日：2008-05-15

Applicant: 성균관대학교산학협력단

Inventor： 윤희용 ,  조치현 ,  김경태

IPC: H04B7/14 ,  H04N7/015

CPC classification number: H04W72/005 ,  H04B7/2606 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L2001/0093 ,  H04L2001/0097 ,  H04W72/085 ,  H04W84/047

Abstract: PURPOSE: A system and a method for relaying a multicast broadcast service are provided to supply an improved data transmission rate, thereby providing a stable service. CONSTITUTION: A relay system for a multicast broadcast service includes a base station(11) and RS(Relay Station)s(12,13). The relay station is wirelessly connected to the base station. The base station determines an MCS(Modulation and Coding Scheme) level according to a channel condition with the relay station. According to the determined MCS level, the base station applies AMC(Adaptive Modulation and Coding). The relay station can be connected by multi hop to efficiently apply AMC.

Abstract translation: 目的：提供中继多播广播服务的系统和方法，以提供改进的数据传输速率，从而提供稳定的服务。 构成：用于组播广播服务的中继系统包括基站（11）和RS（中继站）（12,13）。 中继站与基站无线连接。 基站根据与中继站的信道状况确定MCS（调制和编码方案）级别。 根据确定的MCS级别，基站应用AMC（自适应调制和编码）。 中继站可以通过多跳连接，有效应用AMC。