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公开(公告)号：KR1020150078189A
公开(公告)日：2015-07-08
申请号：KR1020130167363
申请日：2013-12-30
Applicant: 한국전자통신연구원
IPC: H04W16/04
CPC classification number: H04B15/00 , H04B7/18563 , H04B7/2041 , H04L1/00 , H04W72/0453 , H04W84/06
Abstract: 본발명의실시예에따르면, 지상통신시스템과주파수자원을공유하는위성통신시스템에포함된위성또는지상지구국이주파수자원을할당하는방법이제공된다. 상기위성은제1 위성빔의영역을적어도하나의섹터로분할한다. 상기위성은상기적어도하나의섹터중 위성단말이위치하는제1 섹터를판단한다. 상기위성은제1 지상셀에포함된적어도하나의섹터중에서, 상기제1 섹터에대응하는제2 섹터를판단한다. 상기위성은상기제2 섹터를위한제1 주파수자원중에서, 적어도어느하나를상기위성단말에할당한다. 여기서, 상기제1 지상셀은상기제1 위성빔에인접하는제2 위성빔의영역내에위치한다.
Abstract translation: 根据本发明的实施例，提供了一种用于向共享地面通信系统和频率资源的卫星通信系统中包括的卫星或地面基站分配频率资源的方法。 第一卫星将第一卫星光束的区域划分成至少一个扇区。 卫星确定用于在至少一个扇区中定位卫星的第一扇区。 在包括在第一陆地小区中的至少一个扇区中，卫星确定对应于第一扇区的第二扇区。 卫星将第二扇区的第一频率资源中的至少一个分配给卫星终端。 这里，第一陆地小区位于与第一卫星波束相邻的第二卫星波束的区域中。
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公开(公告)号：KR1020140030832A
公开(公告)日：2014-03-12
申请号：KR1020120097490
申请日：2012-09-04
Applicant: 한국전자통신연구원
Inventor： 홍태철
IPC: H04L1/18
CPC classification number: G06F11/08 , H04L1/0023 , H04L1/1835 , H04L1/1864 , H04L1/1887
Abstract: According to a method of managing a memory to receive a multi-channel HARQ packet of the present invention, in an HARQ communication system utilizing many channels, a memory of a receiver is maintained in small size, communication is smoothly made, and costs are saved. The method of managing an HARQ receive memory according to one embodiment of the present invention includes the steps of storing received multi-channel HARQ packets in a temporary memory and decoding the multi-channel HARQ packets to determine the occurrence of errors (Step 1); determining a storage priority for the HARQ packets having errors (Step 2); and storing the HARQ packets having errors in a storage memory according to the determined storage priority (Step3). A receiver of the multi-channel HARQ packet according to one embodiment of the present invention includes a temporary memory for temporarily storing the multi-channel HARQ packets transmitted from a transmitter; a decoder for decoding the HARQ packets stored in the temporary memory; a storage memory for storing, deleting, and moving the HARQ packets according to the control of a control unit; and the control unit for performing a control operation to determine the storage priority for HARQ packets having decoding errors and storing the HARQ packets having decoding errors in the storage memory.
Abstract translation: 根据本发明的接收多频道HARQ分组的存储器的管理方法，在利用多个信道的HARQ通信系统中，保持接收机的存储器的体积小，平滑地进行通信，节约成本 。 根据本发明的一个实施例的管理HARQ接收存储器的方法包括以下步骤：将接收的多信道HARQ分组存储在临时存储器中并对多信道HARQ分组进行解码以确定错误的发生（步骤1）; 确定具有错误的HARQ分组的存储优先级（步骤2）; 并根据确定的存储优先级将具有错误的HARQ分组存储在存储器中（步骤3）。 根据本发明的一个实施例的多信道HARQ分组的接收机包括临时存储器，用于临时存储从发射机发送的多信道HARQ分组; 用于解码存储在所述临时存储器中的HARQ分组的解码器; 存储器，用于根据控制单元的控制来存储，删除和移动HARQ分组; 以及控制单元，用于执行控制操作以确定具有解码错误的HARQ分组的存储优先级，并将具有解码错误的HARQ分组存储在存储器中。
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公开(公告)号：KR1020100063332A
公开(公告)日：2010-06-11
申请号：KR1020080121805
申请日：2008-12-03
Applicant: 한국전자통신연구원
IPC: H04L1/18
CPC classification number: H04L1/187 , H04L1/1874
Abstract: PURPOSE: A method for interaction between ARQ and HARQ of a system with a long shuttling delay time is provided to quickly cope with a transmission error by re-transmitting a packet of a window on standby when an error in which NACk of HARQ is mistaken for ACK occurs. CONSTITUTION: A transmission buffer(210) and a transmit window are influenced by the HARQ feedback information. A buffer on standby(220) and an window on standby are influenced by a status report information packet(230). The buffer on standby detects an error in which NACK is recognized as ACK in HARQ. The buffer on standby re-transmits the packet of the buffer on standby by receiving feedback information concerning the error.
Abstract translation: 目的：提供一种具有长穿梭延迟时间的系统的ARQ和HARQ之间的交互方法，以便当HARQ的NACk被误认为是错误时，通过重新发送待机窗口的分组来快速应对传输错误 发生ACK。 构成：发送缓冲器（210）和发送窗口受到HARQ反馈信息的影响。 处于待机状态的缓冲器（220）和备用窗口受到状态报告信息包（230）的影响。 待机缓冲器检测到在HARQ中将NACK识别为ACK的错误。 待机缓冲区通过接收有关错误的反馈信息重新发送缓冲区的数据包在待机状态。
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24.发明授权
公开(公告)号：KR100789931B1
公开(公告)日：2008-01-02
申请号：KR1020060089273
申请日：2006-09-14
Applicant: 한국전자통신연구원
CPC classification number: H04L1/1819 , H04L1/1809
Abstract: A method of preventing successive packet errors according to a full receiver buffer in a selective repeat hybrid ARQ(Automatic Repeat Request) system is provided to efficiently use a bandwidth in case of coupling and using a hybrid ARQ and a selective ARQ in a system with a long round trip delay time. A method of preventing successive packet errors according to a full receiver buffer in a selective repeat hybrid ARQ(Automatic Repeat Request) system includes the steps of: transmitting a data packet to a receiver from a central station(401); checking the storage information of the data packet in an NACK(Negative ACKnowledgement) packet(404); storing the data packet in a re-transmission queue after transmitting a packet of parity bits to the receiver in case that the data packet is stored in the buffer(405,406); and maintaining the data packet stored in a transmission queue after re-transmitting the data packet in case that the data packet is not stored in the buffer(407,408).
Abstract translation: 提供了一种在选择性重复混合ARQ（自动重复请求））系统中根据完整接收器缓冲器来防止连续分组错误的方法，用于在具有混合ARQ和选择性ARQ的系统中耦合和使用混合ARQ和选择性ARQ的情况下有效地使用带宽 长途往返延迟时间。 一种在选择性重复混合ARQ（自动重复请求））系统中根据全接收器缓冲器防止连续分组错误的方法包括以下步骤：从中心站（401）向接收机发送数据分组; 在NACK（否定确认）分组（404）中检查数据分组的存储信息; 在数据包被存储在缓冲器中（405,406）的情况下，在将奇偶校验位分组发送到接收机之后，将数据分组存储在重发队列中; 以及在数据分组未存储在缓冲器中的情况下，在重新发送数据分组之后，保持存储在传输队列中的数据分组（407,408）。
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Patent Agency Ranking
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公开(公告)号：KR101331048B1
公开(公告)日：2013-11-19
申请号：KR1020090125623
申请日：2009-12-16
Applicant: 한국전자통신연구원
Inventor： 홍태철
CPC classification number: H04W28/0278 , H04W8/22 , H04W8/24 , H04W72/1252
Abstract: 왕복 지연시간이 긴 위성통신 시스템에서 사용자 단말기가 처음 통신을 시작할 때 초기의 버퍼 상태 정보를 보고하고, 다음부터는 버퍼상태 정보 보고를 수행해야 하는 트리거 또는 타이머, 또는 패딩이 발생하면, 이전 BSR을 수행한 이후부터 현재까지 전송에 실패하여 다시 전송해야 하는 데이터가 존재하는지 확인하여 전송 실패한 데이터가 존재하는 경우에는 이전 보고 이후 새롭게 버퍼에 추가된 데이터 양에 이전 보고 이후 전송 실패하여 재전송을 수행해야 하는 데이터 양을 더한 값으로 설정된 BSR을 보고하고, 반대로 전송에 실패한 데이터가 존재하지 않는 경우에는, 이전 보고 이후 새롭게 버퍼에 추가된 데이터 양으로 설정된 BSR을 보고한다. 전체 버퍼상태 보고와 데이터의 증가량 보고를 구분하기 위해서는 헤더파일의 Reserved 인덱스를 사용한다.
위성통신 시스템, 버퍼 상태 보고, 업링크 스케줄링, 지연시간-
公开(公告)号：KR1020130106157A
公开(公告)日：2013-09-27
申请号：KR1020120027832
申请日：2012-03-19
Applicant: 한국전자통신연구원
Inventor： 홍태철
IPC: H04W72/04
CPC classification number: H04W72/04 , H04B7/1851 , H04B7/18586
Abstract: PURPOSE: An apparatus for allocating resource in a wireless system and a method thereof can transmit/receive massive data packet to a terminal through limited resources. CONSTITUTION: A receiver (310) receives terminal information from a terminal in initial connection of the terminal to use a communication service. A determining unit (320) confirms bandwidth information, information of the terminal, and satellite information to offer the communications service to the terminal. The determining unit determines the size of the resource block allocated to the terminal in consideration of the bandwidth information, the information of the terminal, and the satellite information. An allocation unit (330) allocates resources corresponding to the size of the resources block to a terminal in order to send/receive data packet to/from the terminal. [Reference numerals] (310) Receiver; (320) Determining unit; (330) Allocation unit
Abstract translation: 目的：一种用于在无线系统中分配资源的装置及其方法可以通过有限的资源向终端发送/接收海量数据分组。 构成：接收机（310）在终端的初始连接中从终端接收终端信息以使用通信服务。 确定单元（320）确认带宽信息，终端的信息以及向终端提供通信服务的卫星信息。 考虑到带宽信息，终端的信息和卫星信息，确定单元确定分配给终端的资源块的大小。 分配单元（330）将与资源块的大小相对应的资源分配给终端，以向终端发送/接收数据分组。 （附图标记）（310）接收器; （320）确定单位; （330）分配单位
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公开(公告)号：KR101151134B1
公开(公告)日：2012-06-01
申请号：KR1020080121806
申请日：2008-12-03
Applicant: 한국전자통신연구원
CPC classification number: H04B7/2656 , H04W74/002
Abstract: 넓은셀 영역을가지는무선통신시스템을위한계층적임의접속방법이제공된다. 본발명에따르면기지국에도착되는타이밍오차를조절하는능력이가장뛰어난단말기를기준으로하여프리엠블시퀀스길이및 기본슬롯길이를설계하고, 타이밍오차보정능력에따라슬롯길이를기본슬롯길이의정수배로설계하여, 단말기들이다양한슬롯길이를이용할수 있다.
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公开(公告)号：KR1020120044198A
公开(公告)日：2012-05-07
申请号：KR1020100105631
申请日：2010-10-27
Applicant: 한국전자통신연구원
IPC: H04W74/08
CPC classification number: H04W74/0833 , H04W56/0005 , H04W56/0085 , H04W74/08
Abstract: PURPOSE: A random access method is provided to detect a random access preamble by acquiring a correlation for one root value from a base station. CONSTITUTION: A base station transmits system information including a root value respectively selected from a root set to a terminal(S20). The terminal transmits a random access preamble to the base station(S30). The base station establishes a feasible arrival section of the random access preamble(S40). The base station detects the random access preamble within the feasible arrival section(S50).
Abstract translation: 目的：提供随机接入方法，通过从基站获取一个根值的相关性来检测随机接入前导码。 构成：基站发送包括从根设定为终端的根值的系统信息（S20）。 终端向基站发送随机接入前导码（S30）。 基站建立随机接入前导码的可行到达部分（S40）。 基站检测可行到达部分内的随机接入前导码（S50）。
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