-
公开(公告)号：US10154378B2
公开(公告)日：2018-12-11
申请号：US15359183
申请日：2016-11-22
Inventor： Seung Yong Lee
Abstract: Provided is a system for tracking locations of workers. In the system, a first mobile terminal of a first worker located in a coverage area of an anchor node may perform wireless communication with the anchor node to operate in a tracking mode of tracking a location of the first worker, and a second mobile terminal of a second worker located outside the coverage area of the anchor node may perform wireless communication with the first mobile terminal entering a virtual perimeter to track a location of the second worker.
-
公开(公告)号：US09385802B2
公开(公告)日：2016-07-05
申请号：US14540617
申请日：2014-11-13
Inventor： Dae Seung Yoo , Hyung Joo Kim , Seung Yong Lee , Kyong Hee Lee , Jin Kyu Choi , Gwang Ja Jin , Byung Tae Jang , Dong Sun Lim
IPC: H04B7/15 , H04B7/155 , H04L12/931 , H04W84/12
CPC classification number: H04B7/15507 , H04B7/1555 , H04W24/02 , H04W84/04 , H04W84/12
Abstract: A multi-hop relay maritime communication apparatus installed in a ship is disclosed. The maritime communication apparatus includes a first access module configured to comprise a plurality of directional antennas integrally formed; a second access module configured to comprise an omni-directional antenna; and a bridge configured to be connected to the first access module and the second access module via an Ethernet interface.
Abstract translation: 公开了一种安装在船上的多跳中继海事通信装置。 海事通信设备包括：第一接入模块，被配置为包括一体形成的多个定向天线; 第二访问模块，被配置为包括全向天线; 以及被配置为经由以太网接口连接到第一接入模块和第二接入模块的桥。
-
3.发明授权公开(公告)号：US09319125B2
公开(公告)日：2016-04-19
申请号：US13946282
申请日：2013-07-19
Inventor： Jin Kyu Choi , Seung Yong Lee , Gwang Ja Jin , Dae Seung Yoo , Hyung Joo Kim
CPC classification number: H04B7/10 , H04B7/0608 , H04B7/0691 , H04B7/0814 , H04B7/0874
Abstract: The present invention relates to an apparatus and method of performing wireless communication using multiple directional antennas. The transportation means according to the present invention includes at least two communication devices, wherein one of the at least two communication devices, communication device A, includes a directional antenna group 1, and the other communication device, communication device B, includes a directional antenna group 2, and wherein the communication device A performs directional antenna selection control of the directional antenna group 1 included in the communication device A depending on whether the communication device B is connected with a network. According to the present invention, one of the communication devices gains access to a satellite station, a base station, or other ships, at least one antenna of another communication device may be used to relay wireless communication and may play a role as a base station or an AP.
Abstract translation: 本发明涉及使用多个定向天线执行无线通信的装置和方法。 根据本发明的传送装置包括至少两个通信设备，其中至少两个通信设备中的一个，通信设备A包括定向天线组1，而另一个通信设备，通信设备B包括定向天线 组2，并且其中通信设备A根据通信设备B是否与网络连接，执行包括在通信设备A中的定向天线组1的定向天线选择控制。 根据本发明，通信设备中的一个获得对卫星站，基站或其他船舶的访问，可以使用另一通信设备的至少一个天线来中继无线通信，并且可以扮演基站的角色 或AP。
-
4.发明申请公开(公告)号：US20140024320A1
公开(公告)日：2014-01-23
申请号：US13946282
申请日：2013-07-19
Inventor： Jin Kyu CHOI , Seung Yong Lee , Gwang Ja Jin , Dae Seung Yoo , Hyung Joo Kim
IPC: H04B7/10
CPC classification number: H04B7/10 , H04B7/0608 , H04B7/0691 , H04B7/0814 , H04B7/0874
Abstract: The present invention relates to an apparatus and method of performing wireless communication using multiple directional antennas. The transportation means according to the present invention includes at least two communication devices, wherein one of the at least two communication devices, communication device A, includes a directional antenna group 1, and the other communication device, communication device B, includes a directional antenna group 2, and wherein the communication device A performs directional antenna selection control of the directional antenna group 1 included in the communication device A depending on whether the communication device B is connected with a network. According to the present invention, one of the communication devices gains access to a satellite station, a base station, or other ships, at least one antenna of another communication device may be used to relay wireless communication and may play a role as a base station or an AP.
Abstract translation: 本发明涉及使用多个定向天线执行无线通信的装置和方法。 根据本发明的传送装置包括至少两个通信设备，其中至少两个通信设备中的一个，通信设备A包括定向天线组1，而另一个通信设备，通信设备B包括定向天线 组2，并且其中通信设备A根据通信设备B是否与网络连接，执行包括在通信设备A中的定向天线组1的定向天线选择控制。 根据本发明，通信设备中的一个获得对卫星站，基站或其他船舶的访问，可以使用另一通信设备的至少一个天线来中继无线通信，并且可以扮演基站的角色 或AP。
-
-
-
Search Results
4
records
(took 0.017 seconds)
