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    • 1. 发明申请
    • Base transceiver station having mobile and fixed wireless service distribution functions
    • 具有移动和固定无线业务分配功能的基站收发台
    • US20060189354A1
    • 2006-08-24
    • US11357650
    • 2006-02-17
    • Gyu-Woong LeeKwan-Soo LeeChang-Sup ShimYun-Je OhYong-Gyoo KimSeong-Taek Hwang
    • Gyu-Woong LeeKwan-Soo LeeChang-Sup ShimYun-Je OhYong-Gyoo KimSeong-Taek Hwang
    • H04B1/38H04M1/00
    • H04W88/10H04W92/20
    • A Base Transceiver Station (BTS) for interworking a Wireless Local Area Network (W-LAN) and a mobile communication network through a Radio-over-Fiber (RoF) link is provided. The BTS having mobile and fixed wireless service distribution functions includes a Wireless Local Area Network Access Point (W-LAN AP), a wireless service function block, a Radio Frequency (RF) converter, and an optical transmitter. The wireless service function block performs transmission/reception to/from a predetermined mobile terminal via a connection for the voice call communication and data communication with an external Base Station Controller (BSC). The RF converter performs a data communication connection with the external BSC, up-converts data from the BSC into W-LAN frequency band data, and down-converts data to the BSC into baseband data. The optical transmitter transmits the up-converted data of the packet data RF converter to the W-LAN AP through a RoF link.
    • 提供了一种用于通过无线光纤(RoF)链路互联无线局域网(W-LAN)和移动通信网络的基站收发台(BTS)。 具有移动和固定无线业务分配功能的BTS包括无线局域网接入点(W-LAN AP),无线业务功能块,射频(RF)转换器和光发射机。 无线服务功能块经由用于语音呼叫通信的连接和与外部基站控制器(BSC)的数据通信的预定移动终端执行发送/接收。 RF转换器执行与外部BSC的数据通信连接,将来自BSC的数据上变频为W-LAN频带数据,并将数据下变频为基带数据。 光发射机通过RoF链路将分组数据RF转换器的上转换数据发送到W-LAN AP。
    • 5. 发明申请
    • Integrated wired and wireless WDM PON apparatus using mode-locked light source
    • 集成有线和无线WDM PON设备使用锁模光源
    • US20060182446A1
    • 2006-08-17
    • US11357640
    • 2006-02-17
    • Yong-Gyoo KimKwan-Soo LeeChang-Sup ShimSeong-Taek Hwang
    • Yong-Gyoo KimKwan-Soo LeeChang-Sup ShimSeong-Taek Hwang
    • H04J14/00
    • H04B10/296H04B10/25752H04J14/02H04J14/0226H04J14/0246H04J14/025H04J14/0282H04J2014/0253
    • Integrated wired and wireless wavelength division multiplexing passive optical network (WDM PON) apparatus using a light source mode-locked to fed incoherent light includes: a fed light generator for providing fed light for up/downstream signals via a broadband light source emitting an incoherent optical signal; a central office (CO) for receiving, mode-locking, and downstream-optical-transmitting the incoherent optical signal generated by the fed light generator and receiving and optical-detecting an upstream optical signal transmitted from a subscriber unit; and the subscriber unit for receiving, mode-locking, and upstream-optical-transmitting the incoherent optical signal generated by the fed light generator and receiving and optical-detecting a downstream optical signal transmitted from the CO, wherein a wired optical transmitter for transmitting a baseband wired signal and a wireless optical transmitter for transmitting a high frequency radio frequency (RF) signal are comprised for up/downstream optical transmission of the CO and the subscriber unit.
    • 集成的有线和无线波分复用无源光网络(WDM PON)装置使用光源模式锁定馈电非相干光包括:馈电光发生器,用于通过发射非相干光的宽带光源向上/下信号提供馈电光 信号; 中央局(CO),用于接收,模式锁定和下行光传输由馈电光发生器产生的非相干光信号,并接收和光检测从用户单元发送的上行光信号; 以及用户单元,用于接收,模式锁定和上行光传输由馈送光发生器产生的非相干光信号,并接收和光检测从CO发送的下行光信号,其中,有线光发射机用于发送 基带有线信号和用于发送高频射频(RF))信号的无线光发射机包括用于CO和用户单元的上/下光传输。
    • 10. 发明申请
    • Optical network for bi-directional wireless communication
    • 用于双向无线通信的光网络
    • US20060104643A1
    • 2006-05-18
    • US11147638
    • 2005-06-08
    • Jae-Hoon LeeJeong-Seok LeeKwan-Soo LeeChang-Sup ShimSeong-Taek Hwang
    • Jae-Hoon LeeJeong-Seok LeeKwan-Soo LeeChang-Sup ShimSeong-Taek Hwang
    • H04B10/00
    • H04B10/25758
    • An optical network for bi-directional communication includes: a base station for generating downlink optical signals and detecting uplink optical signals; and a remote antenna unit for transmitting the downlink optical signals and generating the uplink optical signals to the base station; wherein the remote antenna includes: an optical detector for converting the downlink optical signals into downlink radio signals; an antenna for transmitting the downlink radio signals to outside thereof, and receiving the uplink radio signals in wireless communication; a semiconductor optical amplifier for converting the uplink radio signals into the uplink optical signals to output the uplink optical signals to the base station; and a circulating device having a plurality of ports, each of which is connected to the antenna, the optical detector, and the semiconductor optical amplifier, respectively.
    • 一种用于双向通信的光网络包括:用于产生下行光信号并检测上行光信号的基站; 以及远程天线单元,用于发送下行链路光信号并向基站生成上行链路光信号; 其中所述远程天线包括:用于将所述下行链路光信号转换成下行无线电信号的光检测器; 用于将下行链路无线电信号发送到其外部的天线,以及在无线通信中接收上行无线电信号; 半导体光放大器,用于将上行无线电信号转换成上行光信号,以将上行光信号输出到基站; 以及具有多个端口的循环装置,每个端口分别连接到天线,光学检测器和半导体光学放大器。