公开(公告)号：KR1020140032664A

公开(公告)日：2014-03-17

申请号：KR1020120099227

申请日：2012-09-07

Applicant: 한국전자통신연구원

Inventor： 유대승 ,  진광자 ,  김형주 ,  이승용 ,  최진규 ,  장병태 ,  임동선

IPC: H04B7/14 ,  H04B7/02

Abstract: The present invention relates to wireless communication, and more particularly, relates to a wireless communication method and a wireless communication apparatus for performing multi-hop relay communication with mobile stations such as ships by using a directional antenna in a maritime broadband wireless communication system. The present invention is characterized by including a first communication unit communicating with a first communication device of a counterpart for relaying a base station or a wireless signal, a second communication unit communicating with a second communication device of the counterpart, and a bridge for connecting the first communication unit with the second communication unit, wherein the first communication unit includes a first AP set, multiple APs in the first AP set are connected to directional antennas directed in mutually different directions, the second communication unit includes a second AP set, and multiple APs in the second AP set are connected to directional antennas directed in mutually different directions. [Reference numerals] (100) First communication unit; (110) Second communication unit; (120) Bridge; (130) Internal network of ship

Abstract translation: 本发明涉及无线通信，更具体地，涉及一种无线通信方法和无线通信装置，用于通过在海上宽带无线通信系统中使用定向天线来执行与船舶等移动站的多跳中继通信。 本发明的特征在于包括与第一通信设备通信的第一通信单元，用于中继基站或无线信号的第一通信设备，与对方的第二通信设备通信的第二通信单元，以及用于连接 第一通信单元，其中第一通信单元包括第一AP集合，第一AP集合中的多个AP被连接到以相互不同的方向指向的定向天线，第二通信单元包括第二AP集，多个 第二AP组中的AP连接到以相互不同方向指向的定向天线。 （附图标记）（100）第一通信单元; （110）第二通信单元; （120）桥; （130）船内内网

公开(公告)号：KR1020140010624A

公开(公告)日：2014-01-27

申请号：KR1020120077114

申请日：2012-07-16

Applicant: 한국전자통신연구원

Inventor： 유대승 ,  김형주 ,  이승용 ,  최진규 ,  박종민 ,  진광자

IPC: H04W40/00 ,  H04B7/14 ,  H04W40/02

CPC classification number: H04W40/00 ,  H04W40/02 ,  H04B7/14 ,  H04W92/02

Abstract: A method and a device for maritime wireless communication are disclosed. The device for maritime wireless communication comprises a terrestrial network communication part for communicating with a terrestrial network; a maritime network communication part for communicating with a maritime network; and a communication control part for linking the communications between the terrestrial and maritime network communication parts based on the destination address of data which is supplied from the terrestrial or maritime network communication part. Therefore, terrestrial broadband wireless data communication services become available for the sea. [Reference numerals] (210) Terrestrial network communication part; (220) Maritime network communication part; (230) Multi-band control part; (240) Communication control part

Abstract translation: 公开了一种用于海上无线通信的方法和装置。 用于海上无线通信的设备包括用于与地面网络通信的地面网络通信部分; 用于与海事网络通信的海事网络通信部分; 以及通信控制部分，用于基于从陆地或海运网络通信部分提供的数据的目的地地址来链接地面和海上网络通信部分之间的通信。 因此，陆地宽带无线数据通信服务可供海上使用。 （附图标记）（210）地面网络通信部; （220）海上通信部分; （230）多频段控制部分; （240）通讯控制部分

公开(公告)号：KR1020130120727A

公开(公告)日：2013-11-05

申请号：KR1020120043841

申请日：2012-04-26

Applicant: 한국전자통신연구원

Inventor： 최진규 ,  박종민 ,  유대승 ,  진광자 ,  장병태 ,  임동선

IPC: H04B1/04 ,  H04B1/62

CPC classification number: H04L25/061 ,  H04B1/0053 ,  H04B2001/305

Abstract: The present invention relates to a method for generating a multi-band RF signal by correcting direct current offset and removing an image signal by a RF transmitter in a marine wireless communication environment, and an apparatus for the same, the apparatus comprising; a baseband conversion unit for converting, into a baseband signal, each of RF signals to a baseband modulation signal having a negative frequency and a baseband modulation signal having a positive frequency; a phase correction unit for removing an image from a multi-band signal in response to the baseband signal; a direct current offset correction unit for correcting direct current offset for the baseband modulation signal using the multi-band signal from which the image is removed; and a RF transmission unit for generating RF signals using a signal in which the direct current offset is corrected, and transmitting the RF signal through an antenna. [Reference numerals] (200b) Rate matching unit;(800) Phase correction unit;(900) Direct current offset correction unit

Abstract translation: 本发明涉及通过在海洋无线通信环境中通过RF发射机校正直流偏移和去除图像信号来产生多频带RF信号的方法及其装置，该装置包括： 基带转换单元，用于将每个RF信号转换成具有负频率的基带调制信号和具有正频率的基带调制信号; 相位校正单元，用于响应于基带信号从多频带信号中去除图像; 直流偏移校正单元，用于使用去除图像的多频带信号来校正基带调制信号的直流偏移; 以及RF发送单元，用于使用校正了直流偏移的信号来产生RF信号，并且通过天线发送RF信号。 （200b）速率匹配单元;（800）相位校正单元;（900）直流偏移校正单元