公开(公告)号：KR1020140077791A

公开(公告)日：2014-06-24

申请号：KR1020120146935

申请日：2012-12-14

Applicant: 한국전자통신연구원

Inventor： 박만호

IPC: B61L25/02

CPC classification number: B61L23/14 ,  B61L15/0027 ,  B61L15/0045 ,  B61L23/34 ,  B61L25/02 ,  B61L2205/00

Abstract: Disclosed are an apparatus and a method for controlling a train using wireless communications, which generate an alert for preventing the train from colliding with another neighboring train by measuring a space interval with the neighboring train based on radio signals for the wireless communications. The apparatus for controlling the train using wireless communications comprises: a wireless communications unit receiving a radio signal transmitted from the neighboring train; a train location measuring unit measuring a current location of the train based on external information; a train distance measuring unit measuring a space interval with the neighboring train based on a strength of the received radio signal and correcting the space interval with the neighboring train based on the current location of train; and a control unit generating an alert if determining that the train does not comply with a space interval regulation based on the corrected space interval with the neighboring train in comparison with a traveling speed of the train and controlling the traveling speed of the train according to an input traveling speed or a preset traveling speed if the generated alert is valid.

Abstract translation: 公开了一种使用无线通信来控制列车的装置和方法，其通过基于用于无线通信的无线电信号测量与相邻列车的间隔来产生用于防止列车与另一相邻列车冲突的警报。 用于使用无线通信来控制列车的装置包括：无线通信单元，接收从相邻列车发送的无线电信号; 基于外部信息测量列车的当前位置的火车位置测量单元; 列车距离测量单元，基于所接收的无线电信号的强度来测量与所述相邻列车的空间间隔，并且基于所述列车的当前位置来校正与所述相邻列车的间隔; 以及控制单元，如果根据与列车的行驶速度相比，基于与邻近列车的校正间隔间隔来确定列车不符合空间间隔调节，则根据本发明的驾驶执行机构来控制列车的行驶速度 如果生成的警报有效，则输入行驶速度或预设行驶速度。

公开(公告)号：KR1020130066404A

公开(公告)日：2013-06-20

申请号：KR1020110133202

申请日：2011-12-12

Applicant: 한국전자통신연구원

Inventor： 박만호

IPC: H04W16/18 ,  H04W24/00 ,  H04W36/18 ,  B61L3/12

CPC classification number: H04W16/32 ,  H04W36/08

Abstract: PURPOSE: A stable dualization operating method of a wireless communication network for a high-speed train and a wireless communication based high-speed train control system are provided to eliminate handover delay and disconnection in a communication cell boundary area by crossly arranging the wireless communication network. CONSTITUTION: When a wireless communication terminal connected to a base station(16-3) through a wireless cell(2-a) of a second base station control unit(12) based on a second communication network control unit(14) is arranged to a boundary area between the base station and a neighbor cell, a train system control unit(17) determines whether the wireless communication terminal connects to a wireless cell. When connection based on the wireless cell of the base station is delayed, the wireless communication terminal guarantee a stable wireless communication environment by using a base station through the wireless cell of a first base station control unit(11). [Reference numerals] (11) First base station control unit(1-a,1-b); (12) Second base station control unit(2-a,2-b); (13) First communication network control unit; (14) Second communication network control unit; (17) Train system control unit

Abstract translation: 目的：提供一种用于高速列车和基于无线通信的高速列车控制系统的无线通信网络的稳定二元化操作方法，以通过交叉布置无线通信网络来消除通信小区边界区域中的切换延迟和断开 。 构成：当基于第二通信网络控制单元（14）通过第二基站控制单元（12）的无线小区（2-a）连接到基站（16-3）的无线通信终端被布置为 基站和相邻小区之间的边界区域，列车系统控制单元（17）确定无线通信终端是否连接到无线小区。 当基于基站的无线小区的连接被延迟时，无线通信终端通过使用基站通过第一基站控制单元（11）的无线小区来保证稳定的无线通信环境。 （11）第一基站控制单元（1-a，1-b）; （12）第二基站控制单元（2-a，2-b）; （13）第一通信网络控制单元; （14）第二通信网络控制单元; （17）列车系统控制单元

公开(公告)号：KR1020100070123A

公开(公告)日：2010-06-25

申请号：KR1020080128732

申请日：2008-12-17

Applicant: 한국전자통신연구원 ,  고려대학교 산학협력단

Inventor： 윤병식 ,  박만호 ,  김정학 ,  최송인 ,  이명락 ,  김승빈 ,  박성준 ,  인호

IPC: H04L12/26 ,  H04B7/26

CPC classification number: H04W36/0011 ,  H04W36/14 ,  H04W88/08

Abstract: PURPOSE: A deep packet checking device and a method thereof are provided to trace a packet of a specified user continuously when handover according to movement of a user is generated. CONSTITUTION: A receiver(61) receives the first deep packet checking result about packets of a terminal from a first sub-net before handover when the handover is generated. The receiver receives the second deep packet checking result about the packet of the terminal from the second sub-net after the handover. A coordinator(62) re-arranges the first deep packet checking result and the second deep packet checking result when the handover is generated. The coordinator generates the third deep packet checking result.

Abstract translation: 目的：提供深度分组检查装置及其方法，用于当根据用户的移动产生切换时，连续跟踪指定用户的分组。 构成：当生成切换时，接收机（61）在切换之前从第一子网接收关于终端的分组的第一深度分组检查结果。 接收方在切换之后从第二子网接收关于终端的分组的第二深度分组检查结果。 当生成切换时，协调器（62）重新布置第一深度分组检查结果和第二深度分组检查结果。 协调器生成第三个深度包检测结果。

公开(公告)号：KR100494288B1

公开(公告)日：2005-06-13

申请号：KR1020020071219

申请日：2002-11-15

Applicant: 한국전자통신연구원

Inventor： 박만호 ,  최송인 ,  김대식

IPC: H04S3/00

Abstract: 본 발명은 무선 및 이동통신 환경에서 다채널 오디오 데이터를 2채널 오디오 데이터로 변환하여 제공하는 경우, 계산량 감소 및 음질 저하를 막을 수 있는 다채널 입체 음향 재생 장치 및 그 방법에 관한 것이다. 본 발명에 따른 다채널 입체 음향 재생 방법은, 사용자가 위치한 주변 환경의 잡음 레벨을 측정한다. 그리고 다채널 오디오 신호의 합성 시에 사용자의 임계치 사용 여부에 따라 임계치를 설정하고 측정된 잡음 레벨에 기초하여 상기 임계치를 갱신한다. 그런 후에, 외부로부터 입력되는 상기 다채널 오디오 신호의 신호 레벨을 각각 측정하고, 상기 측정된 신호 레벨 및 상기 갱신된 임계치에 기초하여 상기 다채널 오디오 신호 중에서 사용자가 인지 가능한 레벨 이상의 오디오 신호에 대해서만 입체 음향으로 신호 처리한 후, 신호 처리된 다채널 오디오 신호를 적어도 2채널 이상인 오디오 신호로 합성하여 외부로 출력한다.

公开(公告)号：KR1020040050810A

公开(公告)日：2004-06-17

申请号：KR1020020077995

申请日：2002-12-09

Applicant: 한국전자통신연구원

Inventor： 지덕구 ,  이인성 ,  황정준 ,  김대식 ,  최송인 ,  윤병식 ,  김형중 ,  박만호

IPC: H04L12/66

Abstract: PURPOSE: A method for recovering packet loss by using additional voice data is provided to use voice packet data as additional information for an FEC(Forward Error Correction), and to use additional voice packet data for an error correction in case a packet loss occurs, then to use an error hiding method in case the packet loss consecutively occurs, thereby improving deteriorated sound quality caused by the packet loss. CONSTITUTION: A voice signal is inputted in 1 frame unit(S61). A system decides whether voice signals of all frames are inputted(S62). If not, the system starts coding(S63). The coding process is divided into a low bit rate coding(S64) and a high bit rate coding(S66). The low bit rate coding is performed at 6.6kbit/s bit rate, and a voice signal coded at low bit rate is delayed for 1 frame(S65). A voice signal coded at high bit rate and the voice signal coded at the low bit rate are synthesized into one packet(S67). If the voice signals of all the frames are inputted, the system transmits the packets generated before this time(S68).

Abstract translation: 目的：提供一种通过使用附加语音数据来恢复分组丢失的方法，以使用语音分组数据作为FEC（前向纠错）的附加信息，并且在发生分组丢失的情况下使用附加语音分组数据进行纠错， 然后在分组丢失连续发生的情况下使用错误隐藏方法，从而改善由丢包引起的恶化的声音质量。 构成：以1帧单位输入语音信号（S61）。 系统决定是否输入了所有帧的语音信号（S62）。 如果没有，系统开始编码（S63）。 编码处理被分为低比特率编码（S64）和高比特率编码（S66）。 以6.6kbit / s比特率执行低比特率编码，并以低比特率编码的语音信号延迟1帧（S65）。 以高比特率编码的语音信号和以低比特率编码的语音信号被合成为一个分组（S67）。 如果输入了所有帧的语音信号，则系统发送该时间之前生成的分组（S68）。