公开(公告)号：US08238310B2

公开(公告)日：2012-08-07

申请号：US12315755

申请日：2008-12-05

Applicant: Hee Yong Youn ,  Chi Hyun Cho ,  Kyung Tae Kim

Inventor： Hee Yong Youn ,  Chi Hyun Cho ,  Kyung Tae Kim

IPC: H04W4/00

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

Abstract: A system and method for relaying Multicast Broadcast Service (MBS) are provided. The system for relaying MBS includes a base station; and a plurality of relay stations, wherein the relay stations forms multi-hop relay network, and wherein the base station selects a Modulation and Coding Scheme (MCS) level among a plurality of MCS levels based on channel condition between the base station and the respective relay stations. The MBS relay system of the present invention provides improved data throughput and stable broadcast services.

Abstract translation: 提供了一种用于中继多播广播服务（MBS）的系统和方法。 用于中继MBS的系统包括基站; 以及多个中继站，其中所述中继站形成多跳中继网络，并且其中所述基站基于所述基站与所述基站之间的信道状况来选择多个MCS级别中的调制和编码方案（MCS）级别 中继站。 本发明的MBS中继系统提供了改进的数据吞吐量和稳定的广播业务。

公开(公告)号：US20110243013A1

公开(公告)日：2011-10-06

申请号：US13078794

申请日：2011-04-01

Applicant: Hyun-Chul Lee ,  Jin-Woo Jeon ,  Young-Seop Han ,  Young-Jip Kim ,  Hee-Yong Youn ,  Kyung-Tae Kim

Inventor： Hyun-Chul Lee ,  Jin-Woo Jeon ,  Young-Seop Han ,  Young-Jip Kim ,  Hee-Yong Youn ,  Kyung-Tae Kim

IPC: H04W4/00 ,  H04W36/30 ,  H04L12/26

CPC classification number: H04W24/10 ,  H04W36/0083 ,  H04W36/30 ,  H04W84/12

Abstract: A method and apparatus perform channel scanning in a wireless communication system. A signal intensity of an Access Point (AP) is compared with a scanning threshold, when the AP signal intensity not less than the scanning threshold, a channel scanning schedule list is generated in consideration of a scan time based on a passive channel scan scheme and a scan time based on an active channel scan scheme. The channel scanning is performed every channel scanning time, according to the channel scanning schedule list.

Abstract translation: 方法和装置在无线通信系统中执行信道扫描。 当接收点（AP）的信号强度与扫描阈值进行比较时，当AP信号强度不小于扫描阈值时，考虑到基于被动信道扫描方案的扫描时间来生成信道扫描调度表，并且 基于活动通道扫描方案的扫描时间。 根据频道扫描时间表，每个频道扫描时间执行频道扫描。

公开(公告)号：US20110072460A1

公开(公告)日：2011-03-24

申请号：US12887563

申请日：2010-09-22

Applicant: Joon-hyuk RYU ,  Dong-young KIM ,  Hee-yong YOUN

Inventor： Joon-hyuk RYU ,  Dong-young KIM ,  Hee-yong YOUN

IPC: H04N5/445 ,  G06F13/00 ,  H04N7/173 ,  H04N5/44

CPC classification number: H04N21/6405 ,  H04N5/50 ,  H04N21/4331 ,  H04N21/4384 ,  H04N21/44222 ,  H04N21/4532 ,  H04N21/4667

Abstract: A broadcast receiver and a channel changing method are provided. The broadcast receiver includes a first receiver which receives broadcast data of a plurality of channels; a second receiver which receives a plurality of keys input sequentially to select one of the plurality of channels; and a controller which processes a changeable channel among a plurality of channels corresponding to at least one key input first among the plurality of keys input before a completion of the input of the plurality of keys from the second receiver.

Abstract translation: 提供广播接收机和频道切换方法。 广播接收机包括接收多个频道的广播数据的第一接收机; 第二接收器，其接收顺序输入的多个键，以选择所述多个通道中的一个; 以及控制器，其处理多个通道之间的可变通道，所述多个通道对应于在从所述第二接收器完成所述多个键的输入完成之前输入的所述多个键中的至少一个键输入。

公开(公告)号：US07697562B2

公开(公告)日：2010-04-13

申请号：US11446500

申请日：2006-06-05

Applicant: Kyu-Ho Lee ,  Hee-Yong Youn

Inventor： Kyu-Ho Lee ,  Hee-Yong Youn

IPC: H04L12/413 ,  H04J3/17

CPC classification number: H04W74/0808 ,  H04L47/10 ,  H04L47/14

Abstract: An apparatus and method are provided for transmitting data in a station of a wireless local area network (LAN) system. In the apparatus, a data queue stores transmission data, and a data processor processes data output from the data queue. A radio frequency (RF) module up-converts a signal output from the data processor to a frequency band of the wireless LAN system, and transmits the up-converted signal as an RF signal. A scheduler performs scheduling such that a specific stepping index decreases each time a backoff time reaches ‘0’ so as to determine whether to transmit the data, and the data is transmitted when both the stepping index and the backoff time reach ‘0’. A backoff stepping generator determines an initial value of the stepping index within a predetermined range.

Abstract translation: 提供了一种用于在无线局域网（LAN）系统的站中发送数据的装置和方法。 在该装置中，数据队列存储发送数据，数据处理器处理从数据队列输出的数据。 射频（RF）模块将从数据处理器输出的信号上变频到无线LAN系统的频带，并将上变频信号作为RF信号发送。 调度器执行调度，使得每次退避时间达到0时，特定的步进索引减小，以便确定是否发送数据，并且当步进索引和退避时间都达到0时，数据被传送。 退避步进发生器将步进索引的初始值确定在预定范围内。

公开(公告)号：US20080309480A1

公开(公告)日：2008-12-18

申请号：US12028578

申请日：2008-02-08

Applicant: Hee Yong YOUN ,  Ki Young Jang

Inventor： Hee Yong YOUN ,  Ki Young Jang

IPC: G08B1/08

CPC classification number: H04W84/20 ,  H04L45/46 ,  H04W40/10 ,  H04W40/32 ,  Y02D70/326

Abstract: Provided is a wireless sensor network operating method considering energy efficiency. The method for operating a wireless sensor network including clusters of sensor nodes includes: selecting a cluster head based on residual energy amounts of the sensor nodes by increasing a probability that a sensor node with a greater amount of residual energy than the others is selected as a cluster head; transmitting an advertisement message from the selected cluster head to the sensor nodes to form a cluster; and transmitting sensing data acquired in each sensor node to the cluster head. Accordingly, this method can extend lifespan of sensor nodes by not transmitting/receiving data on residual energy amounts and positions between sensor nodes, and increase the entire lifespan of a wireless sensor network by reducing a probability that a sensor node having a relatively small residual energy amount is selected as a cluster head consuming much energy.

Abstract translation: 提供了考虑能源效率的无线传感器网络操作方法。 用于操作包括传感器节点簇的无线传感器网络的方法包括：通过增加具有比其他传感器节点更大的剩余能量的传感器节点被选择为概率的基于传感器节点的剩余能量量来选择簇头的概率 簇头; 从所选择的簇头向所述传感器节点发送广告消息以形成簇; 以及将在每个传感器节点中获取的感测数据发送到所述簇头。 因此，该方法可以通过不发送/接收关于传感器节点之间的剩余能量量和位置的数据来延长传感器节点的寿命，并且通过降低传感器节点具有相对小的剩余能量的概率来增加无线传感器网络的整个寿命 数量被选为消耗大量能量的簇头。

公开(公告)号：US08272021B2

公开(公告)日：2012-09-18

申请号：US12582676

申请日：2009-10-20

Applicant: Hee Yong Youn ,  Jong Ik Jang

Inventor： Hee Yong Youn ,  Jong Ik Jang

IPC: H04N7/173

CPC classification number: H04N21/26275 ,  H04N21/47208 ,  H04N21/845

Abstract: The present invention discloses a method for transmitting Near Video on Demand (NVoD) using Catch and Rest (CAR) and sub-channels which includes: dividing an L-sized content into N segments using the CAR broadcasting scheme, allocating the segments to K channels including a replicate channel, and broadcasting the segments; dividing a first segment S1R (SiR represents an i-th segment of a regular channel) into Nsb sub-segments again at given bandwidth using the harmonic broadcasting scheme, and dividing an i-th sub-segment Sisb into i segments again; broadcasting the sub-segments {Si.1sb, . . . , Si.isb} in n sub-channels; and adding the segments {S2R, . . . , SNR} to a sub-layer and broadcasting the segments, the first segment broadcast in the first channel being divided and allocated to a few sub-channels, the succeeding segments broadcast in the other channels being just shifted and broadcast.

Abstract translation: 本发明公开了一种使用Catch和Rest（CAR）和子信道发送近视点播（NVoD）的方法，包括：使用CAR广播方案将L大小的内容划分成N个片段，将片段分配给K个信道 包括复制频道，以及广播片段; 使用谐波广播方案，以给定带宽再次将第一段S1R（SiR表示规则信道的第i个段表示为Nsb个子段）划分成Nsb个子段，并将第i个子段Sisb再次划分为i个段; 广播分段{Si.1sb，。 。 。 ，Si.isb}在n个子通道中; 并添加段{S2R，。 。 。 ，SNR}发送到子层并广播这些段，在第一信道中广播的第一段被划分并分配给几个子信道，在其他信道中广播的后续段刚刚被转换和广播。

公开(公告)号：US20100251296A1

公开(公告)日：2010-09-30

申请号：US12731627

申请日：2010-03-25

Applicant: Jun Hyung KIM ,  Kyung Tae Kim ,  Sung Oh Hwang ,  Hee Yong Youn ,  Sang Won Rhee

Inventor： Jun Hyung KIM ,  Kyung Tae Kim ,  Sung Oh Hwang ,  Hee Yong Youn ,  Sang Won Rhee

IPC: H04N5/445

CPC classification number: H04N5/50 ,  H04N21/4384

Abstract: A channel switching method and system for IPTV for reducing channel switching delay and improving bandwidth utilization efficiency is provided. The channel switching method includes pre-joining candidate channels while playing broadcast data on a main channel, the candidate channels being stored in a candidate channel table; releasing the pre-joined candidate channels, when a channel holding time of the main channel is greater than a predetermined channel holding time level; and re-joining the released candidate channels before a completion of playing the broadcast data on the main channel.

Abstract translation: 提供了一种用于IPTV的信道切换方法和系统，用于降低信道切换延迟并提高带宽利用效率。 信道切换方法包括在主信道上播放广播数据时预先加入候选信道，候选信道被存储在候选信道表中; 当主信道的信道保持时间大于预定信道保持时间时，释放预先接收的候选信道; 并在完成在主频道上播放广播数据之前重新加入所发布的候选频道。

公开(公告)号：US20100232383A1

公开(公告)日：2010-09-16

申请号：US12722131

申请日：2010-03-11

Applicant: Jun Hyung KIM ,  Sung Oh Hwang ,  Joon Hwang Kim ,  Kyung Tae Kim ,  Hee Yong Youn ,  Hyun Chul Lee

Inventor： Jun Hyung KIM ,  Sung Oh Hwang ,  Joon Hwang Kim ,  Kyung Tae Kim ,  Hee Yong Youn ,  Hyun Chul Lee

IPC: H04W72/04

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

Abstract: A method and apparatus for allocating channel bandwidths in a wireless IPTV system is provided. The method includes measuring, if an additional service offering request is received in a saturation channel state, remaining execution times until a service of each terminal that is currently receiving a service is terminated, and setting a minimum of the measured remaining execution times to a unit time; calculating a securable channel bandwidth per the unit time with respect to each terminal that is currently receiving a service; and allocating, if the summation of the securable channel bandwidths per the unit time is equal to or greater than a channel bandwidth required to provide the additional service, the requested channel bandwidth in order to provide the additional service.

Abstract translation: 提供了一种用于在无线IPTV系统中分配信道带宽的方法和装置。 该方法包括：如果在饱和信道状态下接收到附加业务提供请求，则测量直到当前正在接收业务的每个终端的业务终止为止的剩余执行时间，并且将所测量的剩余执行时间的最小值设置为单元 时间; 计算相对于当前正在接收服务的每个终端的单位时间的可保密信道带宽; 并且如果每个单位时间的可保密信道带宽的总和等于或大于提供附加服务所需的信道带宽，则分配所请求的信道带宽以便提供附加服务。

公开(公告)号：US20080313637A1

公开(公告)日：2008-12-18

申请号：US12022889

申请日：2008-01-30

Applicant: Hee Yong Youn ,  Ji Hoon Kim

Inventor： Hee Yong Youn ,  Ji Hoon Kim

IPC: G06F9/46

CPC classification number: G06F9/5027 ,  G06F2209/5011 ,  G06F2209/5018 ,  G06F2209/508

Abstract: The present invention relates to a prediction-based dynamic thread pool management method and an agent platform using the same. An prediction-based dynamic thread pool management method according to the present invention includes: (a) calculating a thread variation to a variation of the number of threads at a time t1, (b) calculating the number of expected threads expected at a time t2 on the basis of the thread variation, (c) determining a change of the thread variation according to the time elapsed, and (d) decreasing an executing frequency of said steps (a) and (b) when it is determined that the change of the thread variation at said step (c) is small and increasing the executing frequency of said steps (a) and (b) when it is determined that the change of the thread variation is large.

Abstract translation: 本发明涉及一种基于预测的动态线程池管理方法及其使用的代理平台。 根据本发明的基于预测的动态线程池管理方法包括：（a）计算在时间t1的线程数目变化的线程变化，（b）计算在时间t2期望的预期线程数 （c）根据经过时间确定线程变化的变化，以及（d）当确定所述步骤（a）和（b）的变化时，减少所述步骤（a）和（b）的执行频率， 当确定线变化的变化大时，所述步骤（c）的线程变化小并且增加所述步骤（a）和（b）的执行频率。

公开(公告)号：US20130196660A1

公开(公告)日：2013-08-01

申请号：US13754980

申请日：2013-01-31

Applicant: HEE YONG YOUN ,  HWI WOON JEONG ,  JUN YEOL CHOI ,  HYUNG KU KANG

Inventor： HEE YONG YOUN ,  HWI WOON JEONG ,  JUN YEOL CHOI ,  HYUNG KU KANG

IPC: H04W36/16

CPC classification number: H04W36/165 ,  H04W8/186

Abstract: Disclosed herein is a method for handover of a mobile terminal. In the method, a group of mobile terminals for handover is formed by grouping a plurality of mobile terminals. A first terminal of the group scans a target base station. One or more other terminals of the group perform handover to the target base station using the scan information of the first terminal.

Abstract translation: 这里公开了一种用于移动终端的切换的方法。 在该方法中，通过分组多个移动终端来形成用于切换的一组移动终端。 该组的第一个终端扫描目标基站。 该组的一个或多个其他终端使用第一终端的扫描信息来执行到目标基站的切换。