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公开(公告)号:KR1020140034700A
公开(公告)日:2014-03-20
申请号:KR1020130108717
申请日:2013-09-10
Applicant: 한국전자통신연구원
IPC: H04W56/00
CPC classification number: H04W56/005 , H04W74/0841 , H04W88/02
Abstract: A method for transmitting a synchronization signal by a terminal in a direct communication network between terminals. The method for transmitting a synchronization signal by a terminal includes; randomly selecting one from a plurality of second windows included in a first window to determine the selected second window as a synchronization reception window; selecting a first synchronization slot from a plurality of synchronization slots included in the second window; transmitting a first synchronization signal from a first synchronization slot included in remaining second windows among the second windows; detecting a second synchronization signal transmitted from other terminal from the first synchronization slot included in the synchronization reception window; and determining collision of a synchronization signal based on the detection result. [Reference numerals] (AA) Synchronization slot T_sync+0; (BB) Synchronization slot T_sync+1; (CC) Synchronization slot T_sync+2; (DD,EE,FF) Super frame; (GG) T_sync window
Abstract translation: 一种用于在终端之间的直接通信网络中的终端发送同步信号的方法。 用于通过终端发送同步信号的方法包括: 从包括在第一窗口中的多个第二窗口中随机选择一个,以将所选择的第二窗口确定为同步接收窗口; 从包括在所述第二窗口中的多个同步时隙中选择第一同步时隙; 从所述第二窗口中的剩余第二窗口中包括的第一同步槽发送第一同步信号; 从包括在同步接收窗口中的第一同步时隙检测从其他终端发送的第二同步信号; 以及基于所述检测结果确定同步信号的冲突。 (标号)(AA)同步槽T_sync + 0; (BB)同步槽T_sync + 1; (CC)同步槽T_sync + 2; (DD,EE,FF)超帧; (GG)T_sync窗口
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公开(公告)号:KR1020140008259A
公开(公告)日:2014-01-21
申请号:KR1020130080597
申请日:2013-07-09
Applicant: 한국전자통신연구원
IPC: H04B7/24
CPC classification number: H04L65/4076 , H04L61/2061
Abstract: Provided are multicast services to a direct communication terminal not connected to a base station. Upon receiving a multicast packet from the base station, a forwarding terminal connected to the base station establishes a multicast connection with at least one direct communication terminal having a direct communication group identifier mapped to a multicast IP address of the multicast packet, and transmits the multicast packet to the at least one direct communication terminal.
Abstract translation: 提供到不连接到基站的直接通信终端的多播服务。 在从基站接收到多播分组时,连接到基站的转发终端与至少一个具有映射到组播分组的组播IP地址的直接通信组标识的直接通信终端建立组播连接,并发送组播 分组到至少一个直接通信终端。
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公开(公告)号:KR1020130124185A
公开(公告)日:2013-11-13
申请号:KR1020130033579
申请日:2013-03-28
Applicant: 한국전자통신연구원
IPC: H04B7/24
CPC classification number: H04L65/4076 , H04L69/321 , H04L69/322
Abstract: A reception terminal receives information about whether a service flow needs sequential transmission and a maximum time period, which is required to wait for non-received data when sequential transmission is needed, from a transmission terminal; restores a service data unit (SDU) from each of multiple protocol data units (PDU) received from the transmission terminal for the corresponding service flow; and sequentially transmits the restored SDUs to an upper layer according to the sequence numbers of the received PDUs. [Reference numerals] (100) First terminal;(200) Second terminal;(S300) Preamble;(S310) Transmit a link setting request message along with a RTS message (In-order delivery indicator, SDU reordering timeout);(S330) Preamble;(S350) Transmit a link setting response message along with a CTS message;(S370) Transmit a service setting message (In-order delivery indicator, SDU reordering timeout)
Abstract translation: 接收终端从发送终端接收关于服务流是否需要顺序发送的信息和需要在需要顺序发送时等待未接收数据所需的最大时间段的信息; 从用于相应服务流的从传输终端接收的多个协议数据单元(PDU)中的每一个恢复业务数据单元(SDU); 并根据接收到的PDU的顺序顺序将恢复的SDU发送到上层。 (100)第一终端;(200)第二终端;(S300)前导码;(S310)与RTS消息(按顺序传送指示符,SDU重新排序超时)一起发送链路设置请求消息;(S330) (S350)与CTS消息一起发送链路设置响应消息;(S370)发送服务设置消息(按顺序传送指示符,SDU重新排序超时)
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公开(公告)号:KR1020130102005A
公开(公告)日:2013-09-16
申请号:KR1020130023128
申请日:2013-03-05
Applicant: 한국전자통신연구원
CPC classification number: H04W72/005 , H04W4/06 , H04W72/042
Abstract: PURPOSE: A method and a device for managing multicast resources efficiently provide limited resources for a plurality of users. CONSTITUTION: A resource manager (710) allocates a multicast resource to a multicast group, and generates a MAP information element (MAP IE). The MAP IE includes information of the multicast resource and a transmission indication for indicating whether the multicast resource is fragmented. A transmitter (720) transmits the MAP IE to the multicast group. The MAP IE further includes an allocation period indicating a period in which the multicast resource is allocated, and an expiry date in which allocation of the multicast resource is maintained. [Reference numerals] (710) Resource manager; (720) Transmitter
Abstract translation: 目的:一种用于管理组播资源的方法和设备有效地为多个用户提供有限的资源。 构成:资源管理器(710)向组播组分配组播资源,并生成MAP信息元素(MAP IE)。 MAP IE包括组播资源的信息和用于指示组播资源是否被分段的传输指示。 发射机(720)将MAP IE发送到多播组。 MAP IE还包括表示组播资源被分配的时段的分配周期,以及保持多播资源分配的到期日。 (附图标记)(710)资源管理器; (720)发射机
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55.
公开(公告)号:KR1020130082062A
公开(公告)日:2013-07-18
申请号:KR1020120142280
申请日:2012-12-07
Applicant: 한국전자통신연구원
CPC classification number: H04L27/2656 , H04J3/06 , H04J11/00 , H04W4/70 , H04W56/0015
Abstract: PURPOSE: A synchronous channel transmitting method, a device thereof, a synchronous channel receiving method, and a device thereof are provided to minimize the inefficiency of resources and the degradation of a synchronous channel preamble receiving performance due to the insertion of a fixed transceiving transition time. CONSTITUTION: A synchronous channel transmitting device (700) includes a transmitter (710), a receiver (720), and a controller (730). The transmitter transmits a synchronous channel preamble part after transmitting a synchronous channel message part. The receiver receives a dedicated channel from different terminals after the transmitter transmits a synchronous channel. The controller inserts a transition time gap in the end of the synchronous channel preamble part for a transceiving transition time of a terminal of the synchronous channel transmitting device. [Reference numerals] (710) Transmitter; (720) Receiver; (730) Controller
Abstract translation: 目的:提供同步信道发送方法,其装置,同步信道接收方法及其装置,以最小化由于插入固定收发转换时间而引起的资源的低效率和同步信道前同步码接收性能的劣化 。 构成:同步信道发送装置(700)包括发射机(710),接收机(720)和控制器(730)。 在发送同步信道消息部分之后,发射机发送同步信道前导码部分。 在发射机发送同步信道之后,接收机从不同终端接收专用信道。 为了同步信道发送装置的终端的收发转移时间,控制器在同步信道前导码部分的末尾插入转移时间间隔。 (附图标记)(710)发射机; (720)接收器; (730)控制器
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公开(公告)号:KR1020120122923A
公开(公告)日:2012-11-07
申请号:KR1020120043429
申请日:2012-04-25
Applicant: 한국전자통신연구원
CPC classification number: H04W4/06 , H04B7/2612 , H04L1/18 , H04W72/005
Abstract: PURPOSE: A multicast transmission method and apparatus are provided to transmit the resource allocation information of a data burst to a plurality of terminals using a map information element. CONSTITUTION: A base station transmits the resource allocation information of a data burst using the map information element of a map(S202). After the base station transmits the resource allocation information of the data burst to a plurality of terminals using a broadcast allocation a-map, the base station transmits the data burst(S204). The base station transmits the resource allocation information of the data burst to the plurality of the terminal using the broadcast allocation a-map. The base station repeats the re-transmission process of the data burst according to the number of the re-transmission(S206~S216). [Reference numerals] (AA) 1st re-sending; (BB) 2nd re-sending; (CC) N-th re-sending; (S202) Broadcast allocation A-MAP(maximum re-sending number); (S204,S208,S212,S216) Data burst transmission; (S206,S210,S214) Broadcast allocation A-MAP
Abstract translation: 目的:提供一种组播传输方法和装置,用于使用地图信息单元向多个终端发送数据脉冲串的资源分配信息。 构成:基站使用地图的地图信息元素发送数据突发的资源分配信息(S202)。 在基站使用广播分配a-map将数据脉冲串的资源分配信息发送到多个终端之后,基站发送数据突发(S204)。 基站使用广播分配a-map向多个终端发送数据脉冲串的资源分配信息。 基站根据重发次数重复数据突发的重发过程(S206〜S216)。 (附图标记)(AA)第一次重发; (BB)第二次重发; (CC)N次重发; (S202)广播分配A-MAP(最大重发号码); (S204,S208,S212,S216)数据突发传输; (S206,S210,S214)广播配置A-MAP
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公开(公告)号:KR1020120090855A
公开(公告)日:2012-08-17
申请号:KR1020120012311
申请日:2012-02-07
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A method for transmitting a signal between machines is provided to satisfy minimum power consumption and control a group of new M2M terminals while using a terminal identifier. CONSTITUTION: A terminal obtains a downlink synchronization and system information(S210). The terminal performs an initial ranging procedure(S220). The terminal allocates TMDID(Temporary M2M Device IDentification) from a base station(S230). The terminal performs an initial network access procedure(S240). If the terminal registers a network, the terminal allocates a terminal identifier from the base station(S250).
Abstract translation: 目的:提供一种在机器之间传输信号的方法,以便在使用终端标识符的同时满足最小功耗并控制一组新的M2M终端。 构成:终端获得下行同步和系统信息(S210)。 终端执行初始测距过程(S220)。 终端从基站分配TMDID(临时M2M设备标识)(S230)。 终端执行初始网络访问过程(S240)。 如果终端注册网络,则终端从基站分配终端标识符(S250)。
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公开(公告)号:KR1020090061416A
公开(公告)日:2009-06-16
申请号:KR1020070128423
申请日:2007-12-11
Applicant: 한국전자통신연구원
IPC: H03M1/12
CPC classification number: H03M1/0617 , H03M1/123 , H03M1/362 , H03M2201/11 , H03M2201/2216 , H03M2201/61 , H03M2201/622
Abstract: An apparatus and a method for converting flash analog to digital are provided to reduce a data error generated at a high speed operation by increasing a window of an output signal of a plurality of preambles. A flash analog-to-digital converter(100) includes a reference voltage generator(110), a reference clock generator, an amplifier, a latch unit, a signal processor(150), a bubble error remover, and an encoder(170). The reference voltage generator generates the plurality of reference voltages. The plurality of pre-amps amplify and output the difference between an analog input signal and the plurality of reference voltages. The signal processor includes a plurality of window expansion units. The plurality of window expansion units increase the window of the output signal of the plurality of pre-amps as much as the predetermined size and output the increased window. The encoder encodes the output signal of the plurality of window expansion unit and outputs the digital signal.
Abstract translation: 提供了一种用于将闪存模拟转换为数字的装置和方法,用于通过增加多个前导码的输出信号的窗口来减少在高速操作时产生的数据错误。 闪存模数转换器(100)包括参考电压发生器(110),参考时钟发生器,放大器,锁存单元,信号处理器(150),气泡误差去除器和编码器(170) 。 参考电压发生器产生多个参考电压。 多个前置放大器放大并输出模拟输入信号与多个参考电压之间的差值。 信号处理器包括多个窗口扩展单元。 多个窗口扩展单元将多个前置放大器的输出信号的窗口增加到预定大小并输出增加的窗口。 编码器对多个窗口扩展单元的输出信号进行编码,并输出数字信号。
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公开(公告)号:KR1019990050403A
公开(公告)日:1999-07-05
申请号:KR1019970069522
申请日:1997-12-17
IPC: H03B5/02
Abstract: 본 발명은 발진 주파수의 조절범위를 확장할 수 있는 LC 공진형 전압조절 발진기에 관한 것이다. 그 목적은 발진 주파수의 조절범위를 확장할 수 있는 LC 공진형 전압조절 발진기를 제공하는 데에 있다. 그 특징은 자신의 일단이 공급전원에 연결되어 있는 제 1 및 제 2 인덕터와, 자신의 드레인이 그 제 1 인덕터의 타단에 연결되어 있는 제 1 능동소자와, 자신의 드레인이 그 제 2 인덕터의 타단과 그 제 1 능동소자의 게이트에 연결되어 있고, 자신의 게이트가 그 제 1 능동소자의 드레인에 연결되어 있는 제 2 능동소자 및 그 제 1 능동소자와 그 제 2 능동소자 각각의 소스에 자신의 일단이 연결되어 있는 전류전원을 포함하는 LC 공진형 전압조절 발진기에 있어서, 자신의 게이트가 상기 제 1 인덕터의 타단에 연결되어 있고, 자신의 소스와 드레인이 제어전압에 연결되어 있는 제 3 능동소자 및 자신의 게이트가 상기 제 2 인덕터의 타단에 연결되어 있고, 자신의 소스와 드레인이 상기 제어전압에 연결되어 있는 제 4 능동소자를 포함하는 데에 있다. 그 효과는 면적을 줄이고 외부부품의 수를 줄여 가격절감을 이룰 수 있으며, PLL 등에 이용했을 경우 공정변이로 전압조절 발진기의 자체 발진 주파수가 어느 정도 이동하여도 조절할 수 있는 주파수 영역이 넓어 생산성을 높일 수 있다는 데에 그 효과가 있다.
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