公开(公告)号：KR1020080041989A

公开(公告)日：2008-05-14

申请号：KR1020070101670

申请日：2007-10-09

Applicant: 한국전자통신연구원 ,  주식회사 케이티프리텔

Inventor： 백승권 ,  신연승 ,  김영진

IPC: H04L12/28

Abstract: A method for allocating a dynamic IP address to an MS(Mobile Station) in a mobile communication system is provided to link a control plane process and a user plane process in an IP-based next generation mobile communication system, thereby reducing the frequency of signal exchange processes for the allocation of an IPv6 address and reducing the entire process delay. A method for allocating a stateless IPv6(Internet Protocol Version6) address to an MS(Mobile Station)(300) comprises the following steps of: allowing the MS to generate an active PDP(Packet Data Protocol) context request message and transmit the active PDP context request message to an MME/UPE(Mobility Management Entity/User Plane Entity)(312); allowing the session management block of the MME/UPE to perform authentication and configuration processes for a stateless IPv6 address auto configuration process; allowing the session management block of the MME/UPE to transmit a router solicitation message included into the active PDP context request message to the IP(Internet Protocol) gateway block of the MME/UPE and allowing the IP gateway block to transmit a router advertisement message to the session management block; acquiring a global IPv6 address; allowing the session management block to transmit an active PDP context accept message to the MS; and allowing the MME/UPE to store the global IPv6 address in a PDP context.

Abstract translation: 提供了一种用于在移动通信系统中向MS（移动台）分配动态IP地址的方法，用于在基于IP的下一代移动通信系统中链接控制平面处理和用户平面处理，从而降低信号的频率 交换进程以分配IPv6地址并减少整个进程的延迟。 一种用于向MS（移动台）（300）分配无状态IPv6（因特网协议版本6）地址的方法包括以下步骤：允许MS生成活动PDP（分组数据协议）上下文请求消息，并发送活动PDP 上下文请求消息到MME / UPE（移动性管理实体/用户平面实体）（312）; 允许MME / UPE的会话管理块对无状态IPv6地址自动配置过程进行认证和配置过程; 允许MME / UPE的会话管理块将包括在活动PDP上下文请求消息中的路由器请求消息发送到MME / UPE的IP（因特网协议）网关块，并允许IP网关块发送路由器通告消息 到会话管理块; 获取全球IPv6地址; 允许会话管理块向MS发送活动PDP上下文接受消息; 并允许MME / UPE将全局IPv6地址存储在PDP上下文中。

公开(公告)号：KR1020080041972A

公开(公告)日：2008-05-14

申请号：KR1020070036513

申请日：2007-04-13

Applicant: 한국전자통신연구원 ,  세종대학교산학협력단 ,  광운대학교 산학협력단

Inventor： 최해철 ,  정세윤 ,  서정일 ,  백승권 ,  장인선 ,  김재곤 ,  문경애 ,  장대영 ,  홍진우 ,  김진웅 ,  심동규 ,  이영렬 ,  오승준 ,  안창범 ,  박호종 ,  유상준

IPC: H04N19/51

CPC classification number: H04N19/159 ,  H04N19/167 ,  H04N19/176 ,  H04N19/513

Abstract: An apparatus and a method for encoding and decoding video by referencing reconstructed blocks of a current frame are provided to perform the block-based prediction encoding with reference to the previously restored area within the present image frame, thereby increasing the image compression ratio. An image prediction member(20) produces a prediction image with reference to the previous restoring area of the present image relating to the present image as an object for ending. A differential signal producing member(21) produces the differential signal between the present image and the prediction image. An encoding member(22) encodes the differential signal. A decoding member(23) restores the encoded differential signal and combines the restored differential signal with the prediction image produced by the image prediction member so that the present image is restored. The image prediction member performs additionally any one prediction manner between the inter prediction or intra prediction and then selects the optimum prediction image between the prediction images.

Abstract translation: 提供了通过参考当前帧的重构块来对视频进行编码和解码的装置和方法，以参照当前图像帧中的先前恢复的区域来执行基于块的预测编码，从而增加图像压缩比。 图像预测构件（20）参照与当前图像相关的当前图像的先前恢复区域作为结束对象产生预测图像。 差分信号产生部件（21）产生本图像与预测图像之间的差分信号。 编码构件（22）对差分信号进行编码。 解码构件（23）恢复编码的差分信号，并将恢复的差分信号与由图像预测构件产生的预测图像组合，使得当前图像被恢复。 图像预测构件在帧间预测或帧内预测之间另外执行任一预测方式，然后选择预测图像之间的最佳预测图像。

公开(公告)号：KR1020080034812A

公开(公告)日：2008-04-22

申请号：KR1020070104554

申请日：2007-10-17

Applicant: 한국전자통신연구원

Inventor： 이용주 ,  서정일 ,  백승권 ,  장대영 ,  홍진우

IPC: H04N21/233 ,  H04N21/236

CPC classification number: G10L19/167 ,  G10L19/008

Abstract: An apparatus and a method for transmitting or replaying multi-channel audio signals are provided to increase reversed compatibility with a stereo audio based system by receiving multi channel audio signals, converting the signals into down mix audio signals and additional signals, adding the additional signals of the frames, and then generating additional signals of one super frame. An apparatus for transmitting multi-channel audio signals comprises a multi channel audio down mixer part(102), a super frame generating part(106), a stereo audio encoding part(104), a video encoding part(108) and a packetizing part. The multi channel audio down mixer part receives multi channel audio signals and converts the signals into down mix audio signals and additional signals. The super frame generating part adds the additional signals of the frames and generates additional signals of one super frame. The down mix audio signal is a stereo audio signal or a mono audio signal. The packetizing part which consists of a system encoding module(150) and an M4-over-M2 module receives an additional signal, an audio/video signal and signaling information and packetizes the signals and information at MPEG-2 TS format.

Abstract translation: 提供了用于发送或重放多声道音频信号的装置和方法，以通过接收多声道音频信号，将信号转换成混合音频信号和附加信号来增加与基于立体声音频的系统的反向兼容性， 帧，然后产生一个超帧的附加信号。 一种用于发送多声道音频信号的装置，包括多声道音频下混频器部分（102），超帧生成部分（106），立体声音频编码部分（104），视频编码部分（108）和打包部分 。 多声道音频下混频器部分接收多声道音频信号并将信号转换成混合音频信号和附加信号。 超帧生成部分添加帧的附加信号并产生一个超帧的附加信号。 下混合音频信号是立体声音频信号或单声道音频信号。 由系统编码模块（150）和M4-over-M2模块组成的分组部分接收附加信号，音频/视频信号和信令信息，并以MPEG-2TS格式分组信号和信息。

公开(公告)号：KR100789372B1

公开(公告)日：2007-12-28

申请号：KR1020060125169

申请日：2006-12-08

Applicant: 한국전자통신연구원

Inventor： 송재수 ,  백승권 ,  신연승 ,  김영진

IPC: H04W68/02 ,  H04W4/08

CPC classification number: Y02D70/00

Abstract: A device for determining the number of paging groups in a mobile communication system, a method therefor, and a paging method using the method are provided to determine the paging groups in order to reduce an error during a paging indication procedure as decreasing battery consumption of a terminal in the mobile communication system where paging indication is performed through the paging groups. When a base station receives an information delivery indication message including number information of an idle- state terminal from a paging server, the number information of the terminal is stored. The base station calculates the number of paging indicators by using the stored idle-state terminal number information, active-state terminal number information, paging group reflecting coefficients, maximum number information of the idle-state terminal, and maximum number information of an active-state terminal. The calculated paging indicator number information is included in a system information message, and the message is transmitted to the terminal.

Abstract translation: 提供一种用于确定移动通信系统中的寻呼组的数量的装置，其方法和使用该方法的寻呼方法，以便确定寻呼组以减少寻呼指示过程中的错误，因为降低电池消耗 终端在移动通信系统中，其中通过寻呼组执行寻呼指示。 当基站从寻呼服务器接收到包括空闲状态终端的号码信息的信息发送指示消息时，存储终端的号码信息。 基站通过使用存储的空闲状态终端号码信息，活动状态终端号码信息，寻呼组反射系数，空闲状态终端的最大号码信息，以及主动式终端号码信息的最大数量信息来计算寻呼指示符的数量。 国家码头。 所计算的寻呼指示符号信息被包括在系统信息消息中，并且该消息被发送到终端。

公开(公告)号：KR100755471B1

公开(公告)日：2007-09-05

申请号：KR1020060066822

申请日：2006-07-18

Applicant: 한국전자통신연구원

Inventor： 서정일 ,  강경옥 ,  홍진우 ,  김광기 ,  백승권 ,  한민수 ,  전상배 ,  성굉모

IPC: G10L19/008 ,  H04S3/00 ,  H03M7/30

Abstract: 본 발명은 멀티채널 오디오 신호의 공간 오디오 부호화(SAC: Spatial Audio Coding) 및 이에 따라 생성된 오디오 비트스트림의 복호화에 관한 것으로서, 구체적으로는 멀티채널 오디오 신호의 SAC-기반 부호화시에 공간 파라미터로 이용되는 채널간 크기 차이(Channel Level Difference: CLD)의 효율적인 양자화 및 역양자화에 관한 것이다.
본 발명에 따른 CLD 양자화 방법은 N-채널(N>1) 오디오 신호로부터 서브밴드별 CLD를 추출하는 단계와, N-채널 오디오 신호의 가상음원위치정보(virtual source location information: VSLI) 양자화값으로부터 도출된 CLD 양자화값을 이용하여 설계된 VSLI-기반 CLD 양자화 테이블을 참조하여 상기 CLD를 양자화하는 단계를 포함한다.
공간 오디오 부호화(SAC: Spatial Audio Coding), 가상음원위치정보(VirtualSource Location Information: VSLI), 채널간 신호 차이(Channel Level Difference: CLD), 양자화, 허프만 부호화

公开(公告)号：KR1020070079899A

公开(公告)日：2007-08-08

申请号：KR1020060088192

申请日：2006-09-12

Applicant: 한국전자통신연구원 ,  재단법인서울대학교산학협력재단

Inventor： 서정일 ,  백승권 ,  장인선 ,  강경옥 ,  홍진우 ,  최인용 ,  전상배 ,  성굉모

IPC: G10L25/60 ,  G10L15/10 ,  G10L19/008

CPC classification number: G10L25/69 ,  G10L19/008

Abstract: An apparatus for evaluating the sound quality of a multi-channel audio compression codec and a method therefor are provided to measure the audible sound quality degradation degree of an audio signal encoded and decoded by the multi-channel audio compression codec in comparison with an original signal before compression. A preprocessing unit(11) generates a binaural input signal on the basis of a multi-channel audio signal inputted from respective channels of a multi-channel audio play system. An output variable calculating unit(12) produces an IACC(Interaural Cross Correlation) distortion and an output variable of the generated binaural input signal. An artificial neural network circuit unit(13) outputs a grade of sound quality on the basis of the IACC distortion and the output variable.

Abstract translation: 提供了一种用于评估多声道音频压缩编解码器的音质的装置及其方法，用于测量由多声道音频压缩编解码器编码和解码的音频信号与原始信号相比的可听声音质量劣化程度 之前压缩。 预处理单元（11）基于从多声道音频播放系统的各个声道输入的多声道音频信号生成双耳输入信号。 输出变量计算单元（12）产生产生的双耳输入信号的IACC（异常交叉相关）失真和输出变量。 人造神经网络电路单元（13）根据IACC失真和输出变量输出音质等级。

公开(公告)号：KR1020070061736A

公开(公告)日：2007-06-14

申请号：KR1020060040604

申请日：2006-05-04

Applicant: 한국전자통신연구원

Inventor： 김원익 ,  이봉주 ,  백승권 ,  김수창 ,  신연승 ,  김영진

IPC: H04B7/26 ,  H04L12/28 ,  H04L12/46 ,  H04L12/66

CPC classification number: Y02D70/10 ,  H04W36/14 ,  H04W36/30

Abstract: A vertical handoff method is provided to prevent degradation of performance due to an increase in a delay time of vertical handoff, degradation of data throughput, degradation of terminal battery efficiency, and an increase in probability of a failure of vertical handoff. A serving network of a terminal is determined(S110). When the serving network is the first network and an RSSI(Received Signal Strength Indication) received from the second network is greater than the first threshold value, it is determined whether to perform the first vertical handoff by using a result obtained by estimating a transition pattern of the RSSI(S103,S105,S107,S109). When the serving network is the second network and the RSSI received from the second network is smaller than the second threshold value, it is determined whether to perform the second vertical handoff by using a result obtained by estimating a transition pattern of the RSSI(S111,S113,S115,S117,S119).

Abstract translation: 提供垂直切换方法，以防止由于垂直切换的延迟时间的增加，数据吞吐量的劣化，终端电池效率的劣化以及垂直切换的故障概率的增加而引起的性能下降。 确定终端的服务网络（S110）。 当服务网络是第一网络并且从第二网络接收到的RSSI（接收信号强度指示）大于第一阈值时，通过使用通过估计转换模式获得的结果来确定是否执行第一垂直切换 的RSSI（S103，S105，S107，S109）。 当服务网络是第二网络并且从第二网络接收到的RSSI小于第二阈值时，通过使用通过估计RSSI的转换模式获得的结果来确定是否执行第二垂直切换（S111， S113，S115，S117，S119）。

公开(公告)号：KR1020070061163A

公开(公告)日：2007-06-13

申请号：KR1020060053864

申请日：2006-06-15

Applicant: 한국전자통신연구원

Inventor： 백승권 ,  박지수 ,  송재수 ,  김원익 ,  신연승 ,  김영진

IPC: H04L12/66 ,  H04B7/26 ,  H04L12/46

CPC classification number: H04W36/14 ,  H04W48/10 ,  H04W52/0209 ,  H04W76/10 ,  H04W88/06 ,  Y02D70/00

Abstract: A method, an apparatus, and a system for transmitting interworking information between a mobile communication system and a BWA(Broadband Wireless Access) system are provided to reduce the overall handover delay by performing an initial wireless access procedure and a signaling procedure for a service of the BWA system during an operation of the mobile communication system when handover is performed from the mobile communication system to the BWA system. A signal receiver(101) receives a cell broadcast service message or system information, including interworking information of a BWA system, from an UMTS(Universal Mobile Telecommunication System). A BWA unit(102) performs an activation/deactivation function of a BWA module according to signal processing with the BWA system. An UMTS access unit(103) performs an activation/deactivation function of a mobile communication access module according to signal processing with the BWA system. A controller(106) establishes a communication connection between a mobile terminal and the BWA system based on the cell broadcast service message or the system information.

Abstract translation: 提供一种用于在移动通信系统和BWA（宽带无线接入）系统之间传输互通信息的方法，装置和系统，以通过执行初始无线接入过程和用于服务的信令过程来减少总体切换延迟 在从移动通信系统到BWA系统执行切换时，在移动通信系统的操作期间的BWA系统。 信号接收机（101）从UMTS（通用移动通信系统）接收包括BWA系统的互通信息的小区广播服务消息或系统信息。 BWA单元（102）根据BWA系统的信号处理来执行BWA模块的激活/去激活功能。 UMTS接入单元（103）根据与BWA系统的信号处理，执行移动通信接入模块的激活/去激活功能。 控制器（106）基于小区广播服务消息或系统信息建立移动终端与BWA系统之间的通信连接。

公开(公告)号：KR100717154B1

公开(公告)日：2007-05-11

申请号：KR1020040116795

申请日：2004-12-30

Applicant: 한국전자통신연구원

Inventor： 서정일 ,  백승권 ,  이병화 ,  강경옥 ,  홍진우 ,  한민수

IPC: G11B20/10 ,  G11B20/00

Abstract: 본 발명은 멀티채널 오디오 신호를 다운믹스하기 위해 필요한 파워 동일화(power equalization)를 제공하는 방법 및 장치에 관한 것이다.
본 발명의 제1 실시예에서는 주파수 영역을 균등한 대역폭을 갖는 서브밴드로 세분한 후에 서브밴드별로 파워 동일화를 실시한다. 본 발명의 제2 실시예에서는 주파수 영역을 ERB에 따라 서브밴드로 세분하되, 선정된 주파수 미만의 서브밴드는 하나의 서브밴드로 합친 후에 서브밴드별로 파워 동일화를 실시한다.
다운믹스, 파워 동일화(Power Equalization)

公开(公告)号：KR1020070043573A

公开(公告)日：2007-04-25

申请号：KR1020060051332

申请日：2006-06-08

Applicant: 한국전자통신연구원

Inventor： 김원익 ,  이봉주 ,  송재수 ,  백승권 ,  박지수 ,  김수창 ,  최성구 ,  김형섭 ,  신연승

IPC: H04W24/00 ,  H04L12/24 ,  H04W36/00

CPC classification number: H04W24/00 ,  H04L41/00 ,  H04W36/0033

Abstract: 본 발명은 이종 망간 핸드오프의 서비스 품질을 제공하는 장치 및 그 방법에 관한 것이다.
본 발명에 따르면, 다수의 액세스 시스템이 연동하는 망에서 이종 망간 핸드오프의 서비스 품질을 제공하는 장치는 액세스 시스템별 서비스 품질 관리 기능을 수행하는 장치 및 이종 액세스 시스템간의 서비스 품질 관리 기능을 수행하는 장치를 포함한다.
액세스 시스템별 서비스 품질 관리 기능을 수행하는 장치는 사용자의 서비스 세션 및 액세스 시스템의 로컬 서비스 품질을 관리하고, 서비스 세션의 서비스 품질 컨텍스트를 관리한다.
이종 액세스 시스템간의 서비스 품질 관리 기능을 수행하는 장치는 이종 액세스 시스템간의 핸드오프시 서비스 세션의 서비스 품질 협상 및 서비스 품질 컨텍스트의 관리를 수행하고 서비스 품질 매핑 절차를 수행한다.
서비스 품질, QoS(Quality of Service), 이종 망간 핸드오프