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公开(公告)号：KR1020150019651A
公开(公告)日：2015-02-25
申请号：KR1020130096746
申请日：2013-08-14
CPC classification number: H04W74/008 , H04W72/02 , H04W72/0446 , H04W72/085 , H04W74/0875
Abstract: The present invention can prioritize terminals for random access based on the number of links, thereby reducing random access collisions. According to an embodiment of the present invention, a method of a terminal for performing random access in a virtual cell network system comprises: a step of determining the number of links connected to the terminal; a step of selecting a random access set for performing random access based on the number of the links; a step of selecting a slot resource for performing random access from the random access set; and a step of performing random access through the slot resource.
Abstract translation: 本发明可以基于链路的数量对终端进行优先级的随机接入，从而减少随机接入冲突。 根据本发明的实施例，一种用于在虚拟小区网络系统中执行随机接入的终端的方法包括：确定连接到所述终端的链路的数量的步骤; 基于所述链路的数量来选择用于执行随机接入的随机接入集的步骤; 从所述随机访问集合中选择用于执行随机访问的时隙资源的步骤; 以及通过时隙资源执行随机接入的步骤。
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公开(公告)号：KR1020140128516A
公开(公告)日：2014-11-06
申请号：KR1020130046520
申请日：2013-04-26
Applicant: 한국과학기술원
CPC classification number: H04W72/0413 , H04W48/18 , H04W72/082 , H04W84/18 , H04W88/16
Abstract: 효율적인 상향링크 자원할당을 위한 BDMA 기반 하이브리드 통신망 시스템 및 그 제공방법이 개시된다. 본 발명의 일 측면에 따르면, 기지국 및 복수의 게이트웨이(gateway)를 포함하며, 효율적인 상향링크 자원할당을 위한 BDMA(Beam Division Multiple Access) 기반 하이브리드 통신망 시스템 제공방법으로서, 상기 BDMA 기반 하이브리드 통신망 시스템이, 애드 혹 네트워크에 의한 간섭은 고려하지 않고 상기 기지국의 상향링크 스룻풋(throughput)이 최대가 되도록 상기 기지국의 커버리지 내의 이동단말 중 적어도 일부를 셀룰러 모드로 동작할 셀룰러 단말로 선택하는 단계 및 상기 BDMA 기반 하이브리드 통신망 시스템이, 상기 복수의 게이트웨이 중 적어도 일부를 활성 게이트웨이로 선택하여, 선택된 상기 활성 게이트웨이가 애드 혹 네트워크를 형성하도록 하는 단계를 포함하되, 상기 BDMA 기반 하이브리드 통신망 시스템은, 상기 활성 게이트웨이 각각에 의해 형성되는 애드 혹 네트워크가 상기 기지국에 미치게 될 총 간섭량이 소정의 기준 간섭량 이하가 되도록 상기 활성 게이트웨이를 선택하는 효율적인 상향링크 자원할당을 위한 BDMA 기반 하이브리드 통신망 시스템 제공방법이 제공된다.
Abstract translation: 公开了一种基于用于高效上行链路资源分配的波束分割多址（BDMA）的混合通信网络系统及其提供方法。 根据本发明的一个方面，提供一种基于BDMA的混合通信网络系统的方法，包括基站和多个网关，用于有效的上行资源分配，包括以下步骤：其中基于 BDMA在基站覆盖范围内的移动终端中选择至少一些移动终端作为蜂窝终端以蜂窝模式操作，而不考虑自组织网络的干扰以使基站的上行吞吐量最大化; 并且其中基于BDMA的混合通信网络系统在网关之间选择一些网关作为活动网关，并且所选择的活动网关形成自组织网络，其中基于BDMA的混合通信网络系统选择活动网关以维持总干扰量 在由基站中的每个有源网关形成的自组织网络低于或等于预定参考干扰量。
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公开(公告)号：KR1020140034509A
公开(公告)日：2014-03-20
申请号：KR1020120100918
申请日：2012-09-12
Abstract: The present invention relates to a method for beam unit handover considering beamforming in a wireless communication system, which includes the steps of: determining handover to a target beam; and transmitting a request or command about the handover if a reception signal intensity difference between a serving beam used to communicate between a terminal, a serving base station, and the target beam of an adjacent base station is a first threshold value or more and a reception signal intensity difference between an active beam with the reception signal intensity over the lowest limit value which is previously defined as the beam of the serving base station except for the serving beam and the target beam which is a second threshold value or more. [Reference numerals] (401) 1. Perform scanning; (403) 2. Report the measurement; (405) 3. Transfer a measurement report; (407) 4. Command handover; (410) Management server; (421) Serving cell; (422) Neighboring cell; (430) Terminal
Abstract translation: 本发明涉及一种在无线通信系统中考虑波束成形的波束单元切换的方法，其包括以下步骤：确定到目标波束的切换; 以及如果用于在终端，服务基站与相邻基站的目标波束之间通信的服务波束之间的接收信号强度差为第一阈值或更多，则发送关于切换的请求或命令;以及接收 具有预先定义为服务基站的除了服务波束的波束之外的接收信号强度的有效波束与作为第二阈值以上的目标波束的最小限制值之间的信号强度差。 （附图标记）（401）1.进行扫描; （403）2.报告测量; （405）3.转交测量报告; （407）4.命令切换; （410）管理服务器; （421）服务细胞; （422）相邻单元; （430）候机楼
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公开(公告)号：KR1020140025095A
公开(公告)日：2014-03-04
申请号：KR1020120091272
申请日：2012-08-21
Applicant: 한국과학기술원
IPC: H04W16/28
CPC classification number: H04W16/28 , H04W72/046 , H04W72/082
Abstract: The present invention relates to a vehicle communication device and a communication method for the same and, more specifically, a vehicle communication device using a smart antenna and a communication method for the same, wherein the vehicle communication device provides a method for allocating a beam or beam power, capable of using a beam division multiple access method based on an adaptive beam in a communication system based on a smart antenna in which a plurality of infrastructures exists; and alleviating communication interference within a cell in which the beam facing one vehicle from one infrastructure influences the other vehicle and communication interference between cells caused by the beam facing the other vehicle from the adjacent infrastructure. [Reference numerals] (101) Communication unit; (103) Information collecting unit; (1051) Beam allocating unit; (1053) Beam power allocating unit; (107) Information providing unit; (200) Second infrastructure
Abstract translation: 车辆通信装置及其通信方法技术领域本发明涉及一种车辆通信装置及其通信方法，更具体地，涉及使用智能天线的车辆通信装置及其通信方法，其中，所述车辆通信装置提供用于分配波束的方法或 能够在基于其中存在多个基础设施的智能天线的通信系统中使用基于自适应波束的波束分割多路访问方法; 并且减轻在一个小区内的通信干扰，其中来自一个基础设施的面向一个车辆的波束影响另一个车辆，并且由相邻基础设施的面向另一车辆的波束引起的小区之间的通信干扰。 （附图标记）（101）通信单元; （103）资料收集单位; （1051）光束分配单元; （1053）光束分配单元; （107）信息提供单位; （200）第二基础设施
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公开(公告)号：KR1020130042089A
公开(公告)日：2013-04-26
申请号：KR1020110106182
申请日：2011-10-18
Applicant: 한국과학기술원
CPC classification number: H04W72/0406 , H04B7/15542 , H04W16/12 , H04W16/28
Abstract: PURPOSE: A hybrid communication network system based on BDMA(Beam Division Multiple Access) for effectively assigning resources, and a providing method thereof are provided to improve spectral efficiency in a hybrid communication network system by controlling interference in a hybrid communication network environment based on the BDMA. CONSTITUTION: A BDMA based hybrid communication network system calculates a beam allocator of a BS(Base Station) without considering interference between the BS and an RS(Relay Station). The BDMA based hybrid communication network system calculates the beam allocator of the RS based on the calculated beam allocator for one or more RSs included in the BDMA based hybrid communication network system.
Abstract translation: 目的：提供一种基于用于有效分配资源的BDMA（光束分多址）的混合通信网络系统及其提供方法，以通过基于混合通信网络环境中的干扰来控制混合通信网络系统中的频谱效率 BDMA。 构成：基于BDMA的混合通信网络系统在不考虑BS与RS（中继站）之间的干扰的情况下计算BS（基站）的波束分配器。 基于BDMA的混合通信网络系统基于所计算的用于在基于BDMA的混合通信网络系统中包括的一个或多个RS的波束分配器来计算RS的波束分配器。
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Patent Agency Ranking
公开(公告)号：KR101179689B1
公开(公告)日：2012-09-04
申请号：KR1020100138471
申请日：2010-12-30
Applicant: 한국과학기술원
CPC classification number: Y02D70/00
Abstract: PURPOSE: A method for calculating the radius of a cluster and a group cooperation transmission method using the same are provided to maximize energy efficiency in a wireless sensor network by optimizing a source cluster radius and a target cluster radius. CONSTITUTION: A source header node allocates a channel of a wireless sensor network(S100). The source header node transmits a beacon signal to a neighboring node(S200). The source header node forms the source cluster(S300). The source header node cooperates with one or more nodes. The source header node transmits the message(S400).
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公开(公告)号：KR1020120086181A
公开(公告)日：2012-08-02
申请号：KR1020110007481
申请日：2011-01-25
Applicant: 한국과학기술원
CPC classification number: Y02D70/20 , H04W84/18 , H04L12/28 , H04L12/66 , H04L29/06244
Abstract: PURPOSE: An M2M(Machine to Machine) network providing method and M2M network terminal are provided to reduce energy consumption using a protocol corresponding to a cluster. CONSTITUTION: A joined terminal confirms cluster characteristics of a cluster within a predetermined range(S100). When the cluster which includes the same characteristics as the terminal characteristic of the joined terminal exists within the predetermined range, the joined terminal registers the cluster including the same characteristics as the terminal characteristic(S110,S120). When the cluster does not exist, the joined terminal creates a new cluster(S130).
Abstract translation: 目的：提供M2M（机器对机器）网络提供方法和M2M网络终端，以使用与集群相对应的协议来降低能耗。 构成：加入的终端确认集群在预定范围内的集群特性（S100）。 当包含与接合终端的终端特性相同的特征的集群存在于预定范围内时，所连接的终端注册包括与终端特性相同的特性的集群（S110，S120）。 当集群不存在时，加入的终端创建一个新的集群（S130）。
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公开(公告)号：KR102220286B1
公开(公告)日：2021-02-25
申请号：KR1020140112984
申请日：2014-08-28
Abstract: 본발명에서는재전송빔 설정방법을설정하는기준(방법)을제안한다. 본발명은송신단및 수신단모두적용가능하고, 빔방향및 빔폭을적응적으로조절하여재전송효과를높일수 있다. 본발명의실시예에따른빔 설정방법은이동통신시스템에서빔 설정방법에있어서, 랜덤억세스시도실패에응답하여, 기준값을고려하여빔 폭및 빔방향중 적어도하나를다르게하여재전송하는과정을포함하고, 상기기준값은후보빔 조합의빔 이득히스토리, 이전전송실패히스토리중 적어도하나를포함한다.
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