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公开(公告)号：KR101160432B1
公开(公告)日：2012-06-28
申请号：KR1020110012469
申请日：2011-02-11
Applicant: 포항공과대학교 산학협력단
IPC: H04B7/26
Abstract: PURPOSE: A rendezvous channel determination method in a multi-channel access network and apparatus thereof are provided to rapidly connect one channel with desired node by using a distributed channel rendezvous method. CONSTITUTION: A memory unit(20) stores a rendezvous channel determination algorithm. A CPU(Central Processing Unit)(10) reads the rendezvous channel determination algorithm. A radio wave transmission and reception unit(30) transmits searching results to the CPU by searching rendezvous channels through the rendezvous channel determination algorithm. The CPU determines the rendezvous channels according to the searching results. The radio wave transmission and reception unit uses the determined rendezvous permutations by applying the distributed channel rendezvous method.
Abstract translation: 目的：提供多通道接入网络中的会合信道确定方法及其装置，通过使用分布式信道会合方法快速地将一个信道与期望的节点连接。 构成：存储单元（20）存储会合通道确定算法。 CPU（中央处理单元）（10）读取会合通道确定算法。 无线电波发送和接收单元（30）通过会合信道确定算法搜索会合信道，向CPU发送搜索结果。 CPU根据搜索结果确定会合通道。 无线电波发送和接收单元通过应用分布式信道会合方法来使用确定的会合置换。
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Patent Agency Ranking
公开(公告)号：KR1020110049309A
公开(公告)日：2011-05-12
申请号：KR1020090106276
申请日：2009-11-05
Applicant: 포항공과대학교 산학협력단
CPC classification number: H04L27/2601 , H04L5/006
Abstract: PURPOSE: A fast optimal discrete bit-loading method for OFDM-based systems is provided to satisfy overall energy limitation and a target data transmission rate. CONSTITUTION: An optimal bit by channels which satisfy the target data transmitting rate and an energy limitation are allocated by using a water-filling solution(S1-S5). An optimal bit is compared with a maximum bit allocation allowance(S6-S11). The comparison process is performed in order to satisfy the maximum bit allocation allowance limitation by channels. By using the Prior variable so that the extra bit satisfy the goal data transfer rate it is allocated(S12-S16).
Abstract translation: 目的：提供基于OFDM的系统的快速最优离散比特加载方法，以满足总能量限制和目标数据传输速率。 构成：通过使用充水溶液（S1-S5）分配满足目标数据发送速率和能量限制的通过信道的最佳比特。 将最佳比特与最大比特分配容限进行比较（S6-S11）。 执行比较处理以便通过信道满足最大比特分配容限限制。 通过使用Prior变量，使得额外的比特满足被分配的目标数据传送速率（S12-S16）。
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公开(公告)号：KR100985873B1
公开(公告)日：2010-10-08
申请号：KR1020080136736
申请日：2008-12-30
Applicant: 포항공과대학교 산학협력단
IPC: H04W84/18
Abstract: 본 발명은 모바일 센서 네트워크에서의 다중 커버 레이어링 방법에 대한 것으로서, 보다 상세하게는 모바일 센서 네트워크에 구비된 각 이동 노드들이 임의의 그룹을 선택한 후 이웃한 노드들의 그룹정보를 수집하여 각 그룹에 위치한 노드들의 통계정보를 획득하고, 이 통계정보에 의해 지역적으로 균등한 그룹을 형성할 수 있는 적절한 그룹으로 이동하여 재그룹을 형성함으로써 센서 네트워크 전체적으로 효율적인 분산 레이어링을 수행할 수 있게 한 모바일 센서 네트워크에서의 다중 커버 레이어링 방법에 관한 것이다.
센서 네트워크, 노드, 다중, 커버, 레이어링-
公开(公告)号：KR1020100078464A
公开(公告)日：2010-07-08
申请号：KR1020080136736
申请日：2008-12-30
Applicant: 포항공과대학교 산학협력단
IPC: H04W84/18
CPC classification number: H04W84/18 , H04W4/08 , H04W40/248
Abstract: PURPOSE: A multi cover layering method in a mobile sensor network is provided to make regional balance of nodes distributed in a target region while changing a group to which neighbor nodes belong through statistics of the group. CONSTITUTION: Nodes select one of K groups by uniform probability(S100). The nodes are respectively located in the selected group. Group information is transmitted and received between the nodes(S210). A node number of a group of a corresponding node is compared with a node number average of all groups(S220). When the node number of the group of the corresponding node is higher than the node number average of all groups, the corresponding node changes the group of the corresponding node(S230).
Abstract translation: 目的：提供一种移动传感器网络中的多覆盖分层方法，通过对组内统计信息进行改变，从而使目标区域中的节点分布均衡。 构成：节点通过均匀概率选择K组之一（S100）。 节点分别位于所选组中。 在节点之间发送和接收组信息（S210）。 将对应节点的组的节点号与所有组的节点数平均值进行比较（S220）。 当对应节点组的节点编号高于所有组的节点数量平均值时，对应节点改变相应节点的组（S230）。
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公开(公告)号：KR101091972B1
公开(公告)日：2011-12-09
申请号：KR1020090106276
申请日：2009-11-05
Applicant: 포항공과대학교 산학협력단
Abstract: 본발명은직교주파수분할다중시스템(OFDM)에서의변조기법에관한것으로서, 보다상세하게는직교주파수분할다중시스템의각 채널에서의상황에따라일시적으로전송환경이악화되어비트에러률이높아지는경우이를신속히파악하여전송환경이좋은채널에서의전송을증가시킴으로써, 채널환경의잦은변화에서도각 채널에서의변조기법을각 채널의상황에적합하게선택적으로신속하게적용하여목표데이터의전송률을만족시킬수 있는직교주파수분할다중시스템에서의목표데이터전송률과에너지제약을만족하는채널별변조기법선택방법에관한것이다.
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6.发明公开프락시 모바일 인터넷 프로토콜을 사용하는 이동통신 환경하의 모바일 액세스 게이트웨이에서 제공하는 핸드오버방법 및 이를 수행하는 모바일 액세스 게이트웨이 无效在移动互联网协议环境和手机访问网关中支持移动接入网关的方法
公开(公告)号：KR1020100065807A
公开(公告)日：2010-06-17
申请号：KR1020080124352
申请日：2008-12-09
Applicant: 포항공과대학교 산학협력단
Abstract: PURPOSE: A method of hand over provided by mobile access gateway in a proxy mobile internet protocol environment using proxy mobile internet protocol and a mobile access gateway performing the same are provided to maintain transmission order of upload and download data during handover of a mobile terminal, thereby minimizing loss of data packet. CONSTITUTION: A tunnel(311) provides information transfer between a mobile access gateway(310) and one or more adjacency mobile access gateway adjacent to the mobile access gateway. A handover database(312) manages at least one of mobile terminal information connected to at least one of adjacency mobile access gateway and at least one of mobile terminal information connected to the mobile access gateway.
Abstract translation: 目的：提供一种使用代理移动互联网协议的代理移动互联网协议环境中的移动接入网关提供的切换方法和执行该移动互联网协议的移动接入网关，以便在移动终端切换期间维护上载和下载数据的传输顺序， 从而最小化数据包的丢失。 构成：隧道（311）提供移动接入网关（310）与邻近移动接入网关的一个或多个邻接移动接入网关之间的信息传输。 切换数据库（312）管理连接到相邻移动接入网关中的至少一个的移动终端信息和连接到移动接入网关的移动终端信息中的至少一个的至少一个。
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