公开(公告)号：KR1020100117386A

公开(公告)日：2010-11-03

申请号：KR1020090036116

申请日：2009-04-24

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  차재선 ,  윤철식 ,  정현규

IPC: H04B7/26 ,  H04W4/06

CPC classification number: H04W4/06 ,  H04L29/06455 ,  H04W28/06 ,  Y02D70/00

Abstract: PURPOSE: A multicasting and broadcasting service transmission method in a mobile communications system is provided to easily receive MBS(Multicast and Broadcast Service) packet. CONSTITUTION: An MBS defines the scheduling change time interval so that the terminal does not need to receive an MBS MAP. The information of the packet which the terminal tries to receive the MBS MAP in the past does not change during the corresponding time, the terminal receives the corresponding MBS packet although the MBS MAP is not received for the scheduling change time interval. The scheduling change time interval can be dissimilar according to the service species.

Abstract translation: 目的：提供移动通信系统中的组播和广播业务传输方法，以便轻松接收MBS（Multicast and Broadcast Service，组播和广播业务）报文。 规定：MBS定义调度改变时间间隔，使得终​​端不需要接收MBS MAP。 终端尝试接收MBS MAP的分组的信息在相应的时间内没有改变，尽管在MAP调度没有被接收到调度改变时间间隔，终端接收到对应的MBS分组。 根据业务种类，调度更改时间间隔可能不相同。

公开(公告)号：KR1020100050384A

公开(公告)日：2010-05-13

申请号：KR1020090082081

申请日：2009-09-01

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  윤철식 ,  정영호

IPC: H04L27/26 ,  H04L1/18 ,  H04W4/06 ,  H04J11/00

CPC classification number: H04L27/2646 ,  H04J11/00 ,  H04L27/2607

Abstract: PURPOSE: By holding in common the physical resource which is similar in the same OFDMA base communications system the common feedback channel transmitting method and transceiver thereof minimizes interference between the subcarrier going symbol and cross-talk. CONSTITUTION: The first transmission symbol becomes by annexing the cyclic prefix to the transmission symbol of the common mode feedback block(120). The first transmission symbol is transmitted the circulation(110). The transmission symbol of the second and after becomes by annexing the cyclic prefix. The transmission symbols which become as described above are transmitted to the common feedback channel of uplink.

Abstract translation: 目的：通过在相同的OFDMA基础通信系统中保持相似的物理资源，公共反馈信道发射方法和收发信机使子载波进入符号和串扰之间的干扰最小化。 构成：第一传输符号通过将循环前缀附加到共模反馈块（120）的传输符号而变成。 第一传输符号被传送循环（110）。 第二个和之后的传输符号通过附加循环前缀而变化。 如上所述变为如上所述的发送符号被发送到上行链路的公共反馈信道。

公开(公告)号：KR1020100029025A

公开(公告)日：2010-03-15

申请号：KR1020090074455

申请日：2009-08-12

Applicant: 한국전자통신연구원

Inventor： 정영호 ,  임광재 ,  윤철식

IPC: H04L1/18

CPC classification number: H04L5/003

Abstract: PURPOSE: An apparatus and a method for allocating a feedback channel and the method for transmitting a response are provided to efficiently use a resource by variably comprising a unicast ACK/NACK channel and a multicast ACK/NACK channel according to a necessary quantity. CONSTITUTION: A fundamental channel composition unit elementarily composes a determined feedback channel as a unicast ACK/NACK(S310). The fundamental channel composition unit performs a scheduling for the unicast and multicast data transmission(S320). A channel quantity calculation unit calculates the necessary multicast ACK/NACK channel quantity from the scheduling(S330). The channel recomposition unit recomposes a part of the unicast ACK/NACK channel as the multicast ACK/NACK channel based on the calculated multicast ACK/NACK channel quantity(S340). A transmitter transmits the recomposed multicast ACK/NACK channel information to the terminal(S350).

Abstract translation: 目的：提供一种用于分配反馈信道的装置和方法以及用于发送响应的方法，以根据必要数量有效地使用可变地包括单播ACK / NACK信道和多播ACK / NACK信道的资源。 构成：基本信道合成单元将确定的反馈信道作为单播ACK / NACK组合（S310）。 基本信道合成单元进行单播和多播数据传输的调度（S320）。 频道数量计算单元从调度中计算必要的组播ACK / NACK信道数量（S330）。 信道重组单元基于所计算的多播ACK / NACK信道量，重新组合单播ACK / NACK信道的一部分作为多播ACK / NACK信道（S340）。 发射机向终端发送重组的多播ACK / NACK信道信息（S350）。

公开(公告)号：KR1020100029012A

公开(公告)日：2010-03-15

申请号：KR1020090065521

申请日：2009-07-17

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  정영호 ,  윤철식

IPC: H04B7/26 ,  H04L1/14 ,  H04W4/06

CPC classification number: H04L27/0008 ,  H04L1/16 ,  H04L5/0057 ,  H04L27/2601 ,  H04L29/06455 ,  H04W4/06

Abstract: PURPOSE: In the method for transporting feedback signal of modulation and coding scheme decision method and apparatus thereof and terminal is the upward link resource, resource used for a feedback channel to transmit channel status information used for the feedback channel for transmitting the channel state information can be minimized. CONSTITUTION: A plurality of feedback channels is allocated in the multicast group(S510). A plurality of terminals belongs to the multicast group. The common mode feedback block is received through one feedback channel from each terminal(S560). One feedback channel is selected between a plurality of feedback channels according to the channel state information of each terminal. An MCS(Modulation and Coding Schemes) pitches from the common mode feedback block of a plurality of feedback channels(S570). The MCS is applied to multicast data.

Abstract translation: 目的：在传输调制和编码方案决策方法及其装置的反馈信号的方法中，终端是向上链路资源，用于反馈信道的资源用于传输用于发送信道状态信息的反馈信道的信道状态信息， 最小化 构成：在多播组中分配多个反馈信道（S510）。 多个终端属于组播组。 通过来自每个终端的一个反馈信道接收共模反馈块（S560）。 根据每个终端的信道状态信息，在多个反馈信道之间选择一个反馈信道。 MCS（调制和编码方案）来自多个反馈信道的共模反馈块的间距（S570）。 MCS应用于组播数据。

公开(公告)号：KR1020100020612A

公开(公告)日：2010-02-23

申请号：KR1020080079289

申请日：2008-08-13

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  윤철식

IPC: H04B7/26

CPC classification number: H04W72/082 ,  H04W84/045

Abstract: PURPOSE: A method for protecting interference of the base station at a mobile communication system is provided to improve the service quality of user located in the cell boundary and to increase the efficiency of transmission by reducing the interference between neighboring base stations. CONSTITUTION: A neighboring interference base station detects preamble and pilot signal of the other base stations before transmitting the downlink signal during the early stage setting process, the preamble and pilot signal are compared with the critical value and detected(S101). If the neighboring interference base station is detected, the common part band is set up as the interfere evasion band(S102). The intra channel of the interfere evasion band is allocated based on SINR(Signal-to-Interference and Noise Ratio) for each sub channel in the cell boundary mobile station(S104).

Abstract translation: 目的：提供一种在移动通信系统中保护基站干扰的方法，以改善位于小区边界的用户的业务质量，并通过减少相邻基站之间的干扰来提高传输效率。 构成：在早期设定处理中，相邻干扰基站在发送下行链路信号之前检测其它基站的前导码和导频信号，将前导码和导频信号与临界值进行比较，并进行检测（S101）。 如果检测到相邻干扰基站，则将公共部分频带设置为干扰避免频带（S102）。 基于小区边界移动站中的每个子信道的SINR（信号与干扰和噪声比）来分配干扰避免频带的信道（S104）。

公开(公告)号：KR1020100006658A

公开(公告)日：2010-01-21

申请号：KR1020080066872

申请日：2008-07-10

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  김수영 ,  이정 ,  윤철식

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04L1/0662

Abstract: PURPOSE: A QO-STBC system and a method thereof in which an interference component of a proximal signal does not exist in the presumed signal are provided to linearly include a decode procedure while the coding rate is 1. CONSTITUTION: An encoder(100) encodes symbols and outputs the signal encoded to transmitting antennas by using the encoding matrix. The encoding matrix is generated by using the diagonal matrix Gramian matrix. A decoder(200) decodes linear and receives the encoded signal. The decoder decodes and transmits the symbol by using the Gramian matrix about QO-STBC(Quasi-Orthogonal Space-Time Block Coding) matrix through a transmission antenna.

Abstract translation: 目的：提供在假设信号中不存在近端信号的干扰分量的QO-STBC系统及其方法，以线性地包括编码率为1的解码过程。构成：编码器（100）编码 符号并通过使用编码矩阵输出编码到发射天线的信号。 通过使用对角矩阵Gramian矩阵生成编码矩阵。 解码器（200）对线性解码并接收编码信号。 解码器通过使用通过发送天线的关于QO-STBC（准正交空时块编码）矩阵的格拉姆矩阵解码并发送符号。

公开(公告)号：KR1020100006118A

公开(公告)日：2010-01-18

申请号：KR1020090060362

申请日：2009-07-02

Applicant: 한국전자통신연구원

Inventor： 이현 ,  장성철 ,  임광재 ,  윤철식 ,  김남기

IPC: H04B7/26 ,  H04W72/04

CPC classification number: H04W72/04 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0446

Abstract: PURPOSE: A resource allocation apparatus and a method thereof for allocating apparatus for allocating resource and a medium access method are provided to efficiently allocate the resource according to the characteristic of the burst. CONSTITUTION: An allocation unit(210) generates assignment information. The assignment information assigns a burst to an LSS(Logical Scheduling Space) unit including one or more sub frame. A transmit unit(220) transmits the assignment information. The assignment information comprises the downlink and uplink assignment information. The LSS comprises the downlink LSS and uplink LSS. The downlink assignment information comprises the field for a first TTI(Transmission Time Interval) implying the number of subframes included in the down link LSS.

Abstract translation: 目的：提供一种用于分配资源的分配装置和媒体接入方法的资源分配装置及其方法，以根据突发的特性有效地分配资源。 构成：分配单元（210）生成分配信息。 分配信息将突发分配给包括一个或多个子帧的LSS（逻辑调度空间）单元。 发送单元（220）发送分配信息。 分配信息包括下行链路和上行链路分配信息。 LSS包括下行LSS和上行LSS。 下行链路分配信息包括指示下行链路LSS中包括的子帧的数量的第一TTI（传输时间间隔）的字段。

公开(公告)号：KR1020090116626A

公开(公告)日：2009-11-11

申请号：KR1020090037196

申请日：2009-04-28

Applicant: 한국전자통신연구원 ,  삼성전자주식회사

Inventor： 장성철 ,  임광재 ,  김성경 ,  조석헌 ,  윤철식

IPC: H04B7/26 ,  H04W72/04

CPC classification number: H04W28/065 ,  H04B7/0417 ,  H04W52/08 ,  H04W72/1268 ,  H04W72/04

Abstract: PURPOSE: A control information transmission method and a terminal thereof are provided to multiplex control information selected based on the priority by using a dedicated channel periodically allocated from a base station. CONSTITUTION: A base station transmits allocation information of a dedicated channel to a terminal(S301). A response is received from the terminal(S302). The dedicated channel is periodically allocated to the terminal(S303). The terminal grasps control information which is requested to be transmitted to the base station(S304). The priority of the grasped control information is detected(S305). Control information to be transmitted to the base station is selected based on the detected priority(S306).

Abstract translation: 目的：提供一种控制信息发送方法及其终端，以通过使用从基站周期性地分配的专用信道来对基于优先级选择的控制信息进行复用。 构成：基站向终端发送专用信道的分配信息（S301）。 从终端接收到响应（S302）。 专用信道被周期性地分配给终端（S303）。 终端掌握被请求发送给基站的控制信息（S304）。 检测到掌握的控制信息的优先级（S305）。 基于检测到的优先级来选择要发送到基站的控制信息（S306）。

公开(公告)号：KR1020080109468A

公开(公告)日：2008-12-17

申请号：KR1020070057836

申请日：2007-06-13

Applicant: 한국전자통신연구원

Inventor： 임광재 ,  윤철식 ,  안지환

IPC: H04B7/26 ,  H04L12/28

CPC classification number: H04W72/06 ,  H04B7/2659 ,  H04W72/042 ,  H04W72/0446

Abstract: A resource allocation method in a mobile communication system, a map configuring method and a resource allocation information transmitting method for reducing the overhead of a map are provided to prevent fixed allocation information from being transmitted to a terminal by retransmitting the corresponding fixed allocation information in case that a base station does not received about whether the terminal receives the fixed allocation information. A slot which is not allocated from a first slot among a plurality of slots included in a radio resource domain is allocated in a first direction about a service demanding a dynamic resource every frame. A slot which is not allocated from a second slot among a plurality of slots and which is not allocated in a second direction is allocated in case that wireless resource is reallocated and released about a service demanding a band fixed for a specific time.

Abstract translation: 提供移动通信系统中的资源分配方法，用于减少地图开销的地图配置方法和资源分配信息发送方法，以防止固定分配信息通过重发相应的固定分配信息而发送到终端 基站是否接收到终端是否接收到固定分配信息。 在包括在无线资源域中的多个时隙中未分配的第一时隙的时隙在关于每帧需要动态资源的业务的第一方向被分配。 在针对特定时间要求固定的频带的服务重新分配和释放无线资源的情况下，分配未在多个时隙中从第二时隙分配并且未分配在第二方向上的时隙。

公开(公告)号：KR100874002B1

公开(公告)日：2008-12-17

申请号：KR1020060124572

申请日：2006-12-08

Applicant: 한국전자통신연구원

Inventor： 김성경 ,  임광재 ,  윤철식 ,  안지환

IPC: H04B7/26 ,  H04L29/02 ,  H04L12/28

CPC classification number: H04W28/26 ,  H04W56/0075

Abstract: The present invention relates to an uplink synchronization request method in a mobile communication system, a CDMA allocation information element structure thereof, and an apparatus using the same. For this purpose the uplink synchronization request method includes: when uplink traffic is generated, determining whether an uplink synchronization error occurs; when the uplink synchronization error occurs, calculating a timing adjustment value; and transmitting a bandwidth request code including the calculated timing adjustment value to a base station and performing a bandwidth request. According to the present invention, the PSS compares a reference adjustment value and an arrival time of a downlink preamble to calculate uplink synchronization timing and synchronize an uplink of the PSS that requests bandwidth allocation through a bandwidth request ranging process to thereby maximize resource use efficiency in the uplink synchronization.

Abstract translation: 本发明涉及移动通信系统中的上行链路同步请求方法，其CDMA分配信息单元结构以及使用该方法的装置。 为此目的，上行链路同步请求方法包括：当产生上行链路业务时，确定是否发生上行链路同步错误; 当发生上行同步错误时，计算定时调整值; 并且将包括所计算的定时调整值的带宽请求码发送到基站并且执行带宽请求。 根据本发明，PSS比较参考调整值和下行链路前导码的到达时间以计算上行链路同步定时，并且通过带宽请求测距过程来同步请求带宽分配的PSS的上行链路，从而使资源使用效率最大化 上行链路同步。