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    • 1. 发明授权
    • Systems and methods for delay management in distributed antenna system with direct digital interface to base station
    • 用于基站直接数字接口的分布式天线系统的延迟管理系统和方法
    • US09450689B2
    • 2016-09-20
    • US14506370
    • 2014-10-03
    • ADC Telecommunications, Inc.
    • Dean ZavadskyThomas G. Hebert
    • H04B17/364H04W24/06H04W88/08
    • H04B17/364H04W24/06H04W88/085
    • A method for measuring downlink delay in a radio system includes applying a digital representation of a Gaussian pulse to a digital interface of the radio system; marking the digital representation of the Gaussian pulse with respect to a frame of digital data with a marker; propagating the Gaussian pulse in the radio system to an antenna, the radio system configured to convert the digital representation of the Gaussian pulse to a radio frequency signal transmitted at the antenna; measuring when the Gaussian pulse occurs in the radio frequency signal based on the marker; and determining a downlink propagation delay for the radio system between application of the digital representation of the Gaussian pulse at the digital interface and transmission of the radio frequency signal at the antenna.
    • 一种用于测量无线电系统中的下行链路延迟的方法包括将高斯脉冲的数字表示应用于无线电系统的数字接口; 使用标记将相对于数字数据的帧的高斯脉冲的数字表示标记; 将所述无线电系统中的高斯脉冲传播到天线,所述无线电系统被配置为将所述高斯脉冲的数字表示转换为在所述天线处发射的射频信号; 在基于标记的射频信号中发生高斯脉冲时测量; 以及在数字接口处应用高斯脉冲的数字表示和在天线发射射频信号之间确定无线电系统的下行链路传播延迟。
    • 2. 发明授权
    • Universal remote radio head
    • 通用遥控无线电头
    • US09178636B2
    • 2015-11-03
    • US14187135
    • 2014-02-21
    • ADC Telecommunications, Inc.
    • Larry G. FischerPhilip M. WalaDean ZavadskyLance K. UyeharaJody Forland
    • H04J3/00H04W88/08H04H20/79H04N21/2385
    • H04B7/04H04B7/0413H04H20/79H04J3/00H04N21/2385H04W72/0453H04W88/085
    • A distributed base station radio system includes first channelized to broadband conversion unit that receives first downlink channelized data for first radio frequency band from first channelized radio frequency source; and first universal remote radio head communicatively coupled to first channelized to broadband conversion unit. First channelized to broadband conversion unit converts first downlink channelized data into a first downlink broadband signal. First channelized to broadband conversion unit communicates the first downlink broadband signal to first universal remote radio head. First universal remote radio head receives first downlink broadband signal. First universal remote radio head frequency converts the first downlink broadband signal into first downlink radio frequency signals in first radio frequency band. First universal remote radio head is further configured to transmit first downlink radio frequency signals in first radio frequency band to first subscriber unit.
    • 分布式基站无线电系统包括从第一信道化射频源接收第一无线电频带的第一下行链路信道化数据的第一信道化到宽带转换单元; 以及通信地耦合到第一通道化到宽带转换单元的第一通用远程无线电头。 首先将信道化到宽带转换单元将第一下行链路信道化数据转换成第一下行链路宽带信号。 首先将信道化到宽带转换单元将第一下行宽带信号传送到第一通用远程无线电头。 第一通用远程无线电头接收第一下行宽带信号。 第一通用远程无线电头频率将第一下行宽带信号转换为第一无线电频带中的第一下行链路射频信号。 第一通用远程无线电头还被配置为将第一无线电频带中的第一下行链路射频信号发送到第一用户单元。
    • 3. 发明授权
    • Distributed digital reference clock
    • 分布式数字参考时钟
    • US08837659B2
    • 2014-09-16
    • US13914838
    • 2013-06-11
    • ADC Telecommunications, Inc.
    • Lance K. UyeharaLarry G. FischerDavid HartDean Zavadsky
    • H03L7/00H04L7/00H04J3/06H04W28/04
    • H04L7/0008H04B1/40H04J3/0685H04W28/04
    • A communication system includes master host unit, hybrid expansion unit, and remote antenna unit. Master host unit communicates analog signals with service provider interfaces. Master host unit and hybrid expansion unit communicate N-bit words of digitized spectrum over communication link. Hybrid expansion unit converts between N-bit words and analog spectrum. Hybrid expansion unit and remote antenna unit communicate analog spectrum over analog communication medium. Remote antenna unit transmits and receives wireless signals over air interfaces. Master host unit includes master clock distribution unit that generates digital master reference clock signal. Master host unit communicates digital master reference clock signal over communication link. Hybrid expansion unit receives digital master reference clock signal from master host unit over communication link and generates analog reference clock signal based on digital master reference clock signal. Hybrid expansion unit sends, and remote antenna unit receives, analog reference clock signal across analog communication medium.
    • 通信系统包括主机单元,混合扩展单元和远程天线单元。 主机主机与模拟信号与业务提供者接口通信。 主机单元和混合扩展单元通过通信链路传送数字化频谱的N位字。 混合扩展单元在N位字和模拟频谱之间进行转换。 混合扩展单元和远程天线单元通过模拟通信介质通信模拟频谱。 远程天线单元通过空中接口发送和接收无线信号。 主机主机包括产生数字主机参考时钟信号的主时钟分配单元。 主机主机通过通信链路传送数字主参考时钟信号。 混合扩展单元通过通信链路从主机单元接收数字主参考时钟信号,并根据数字主机参考时钟信号产生模拟参考时钟信号。 混合扩展单元发送,远程天线单元接收模拟通信介质上的模拟参考时钟信号。
    • 4. 发明申请
    • SYSTEMS AND METHODS FOR MOBILE PHONE LOCATION WITH DIGITAL DISTRIBUTED ANTENNA SYSTEMS
    • 使用数字分布式天线系统的移动电话位置的系统和方法
    • US20130079035A1
    • 2013-03-28
    • US13681535
    • 2012-11-20
    • ADC Telecommunications, Inc.
    • Philip M. WalaDean Zavadsky
    • H04W24/00
    • H04W24/00G01S5/0054G01S5/0221G01S5/06H04W4/90H04W64/00H04W76/50
    • Methods and systems for mobile phone location within a digital distributed antenna system (DAS) are provided. In one embodiment, a method comprises: receiving a request for location services from a subscriber unit located within a digital DAS, the digital DAS including a first partition of bandwidth for transporting digitized RF signals of one or more modulated signals and a second partition of bandwidth for an Ethernet pipe transporting IP formatted data; routing the request for location services to a subscriber locator center; instructing locator receivers within a geographical area of the digital DAS to listen for a signal from the subscriber unit; listening for the signal at a first locator receiver; when the signal is observed, recording a time the signal was received and generating subscriber unit ranging data; and transmitting subscriber unit ranging data back to the subscriber locator center in an IP formatted message via the Ethernet pipe.
    • 提供了数字分布式天线系统(DAS)内手机定位的方法和系统。 在一个实施例中,一种方法包括:从位于数字DAS内的用户单元接收对位置服务的请求,数字DAS包括用于传送一个或多个调制信号的数字化RF信号的带宽的第一分区和带宽的第二分区 用于传输IP格式数据的以太网管道; 将位置服务请求路由到用户定位中心; 指示数字DAS的地理区域内的定位器接收机监听来自用户单元的信号; 在第一定位器接收机处收听信号; 当观察到信号时,记录接收到信号的时间并产生用户单元测距数据; 并且经由以太网管道将订户单元测距数据发送回到IP格式化消息中的用户定位中心。
    • 7. 发明申请
    • MASTER REFERENCE FOR BASE STATION NETWORK INTERFACE SOURCED FROM DISTRIBUTED ANTENNA SYSTEM
    • 从分布式天线系统采购的基站网络接口的主要参考
    • US20140243033A1
    • 2014-08-28
    • US14187115
    • 2014-02-21
    • ADC Telecommunications, Inc.
    • Philip M. WalaDean ZavadskyJody ForlandJeffrey J. CannonJohn M. Hedin
    • H04B7/02
    • H04B7/024H01Q1/246H03J7/04H04B1/40H04B7/26H04W16/28H04W24/00H04W56/00H04W88/08
    • A distributed antenna system (DAS) includes: first base station network interface unit that receives first downlink signals from first external device and converts them into first downlink data stream; second base station network interface unit that receives second downlink signals from second external device and them into second downlink data stream; first remote antenna unit communicatively coupled to first base station network interface unit that receives at least one of first downlink data stream and first downlink signal derived from first downlink data stream. First remote antenna unit has first radio frequency converter configured to convert at least one of first downlink data stream and first downlink signal derived from first downlink data stream into first radio frequency band signal and first radio frequency antenna that transmits first radio frequency band signal to first subscriber unit. DAS is configured to transmit a master reference clock to the first external device.
    • 分布式天线系统(DAS)包括:第一基站网络接口单元,其从第一外部设备接收第一下行链路信号并将其转换成第一下行链路数据流; 第二基站网络接口单元,其从第二外部设备接收第二下行链路信号,并将它们转换成第二下行链路数据流; 第一远程天线单元通信地耦合到第一基站网络接口单元,其接收从第一下行链路数据流导出的第一下行链路数据流和第一下行链路信号中的至少一个。 第一远程天线单元具有第一射频转换器,被配置为将从第一下行链路数据流导出的第一下行链路数据流和第一下行链路信号中的至少一个转换为第一无线电频带信号,以及将第一无线电频带信号发送到第一无线电频率天线 用户单位。 DAS被配置为将主参考时钟发送到第一外部设备。
    • 8. 发明申请
    • FLEXIBLE, RECONFIGURABLE MULTIPOINT-TO-MULTIPOINT DIGITAL RADIO FREQUENCY TRANSPORT ARCHITECTURE
    • 灵活,可重复的多点到多点数字无线电频率运输结构
    • US20140146905A1
    • 2014-05-29
    • US14090129
    • 2013-11-26
    • ADC Telecommunications, Inc.
    • Dean ZavadskyJody ForlandLarry G. FischerPhilip M. Wala
    • H04B7/04
    • H04B7/0602H04B7/0802
    • A distributed antenna system includes network interfaces configured to receive signals from devices external to distributed antenna system and to convert signals to downlink serialized data streams; distributed antenna switch communicatively coupled to network interfaces by digital communication links, distributed antenna switch configured to receive downlink serialized data stream from network interfaces across corresponding digital communication link; distributed antenna switch further configured to aggregate downlink serialized data streams into aggregate downlink serialized data stream; remote antenna unit communicatively coupled to distributed antenna switch by digital communication link that receives aggregate downlink serialized data stream across digital communication link, remote antenna unit further configured to extract downlink serialized data streams from aggregate downlink serialized data stream; remote antenna unit having radio frequency converter configured to convert downlink serialized data stream into radio frequency band and radio frequency transceiver/antenna pair configured to transmit signals in radio frequency band to subscriber unit.
    • 分布式天线系统包括被配置为从分布式天线系统外部的设备接收信号并将信号转换为下行链路串行数据流的网络接口; 通过数字通信链路通信地耦合到网络接口的分布式天线开关,配置成从对应的数字通信链路的网络接口接收下行串行数据流的分布式天线交换机; 分布式天线切换器还被配置为将下行链路序列化数据流聚合成聚合下行链路序列化数据流; 远程天线单元,通过数字通信链路通信地耦合到分布式天线交换机,所述数字通信链路在数字通信链路上接收汇聚下行链路串行化数据流,远程天线单元还被配置为从聚合下行链路序列化数据流中提取下行链路序列化 具有射频转换器的远程天线单元,被配置为将下行链路串行数据流转换成无线电频带,以及射频收发器/天线对,其配置为向用户单元发送无线电频带中的信号。
    • 9. 发明授权
    • Systems and methods for mobile phone location with digital distributed antenna systems
    • 使用数字分布式天线系统的手机定位系统和方法
    • US08526970B2
    • 2013-09-03
    • US13681535
    • 2012-11-20
    • ADC Telecommunications, Inc.
    • Philip M. WalaDean Zavadsky
    • H04W24/00
    • H04W24/00G01S5/0054G01S5/0221G01S5/06H04W4/90H04W64/00H04W76/50
    • Methods and systems for mobile phone location within a digital distributed antenna system (DAS) are provided. In one embodiment, a method comprises: receiving a request for location services from a subscriber unit located within a digital DAS, the digital DAS including a first partition of bandwidth for transporting digitized RF signals of one or more modulated signals and a second partition of bandwidth for an Ethernet pipe transporting IP formatted data; routing the request for location services to a subscriber locator center; instructing locator receivers within a geographical area of the digital DAS to listen for a signal from the subscriber unit; listening for the signal at a first locator receiver; when the signal is observed, recording a time the signal was received and generating subscriber unit ranging data; and transmitting subscriber unit ranging data back to the subscriber locator center in an IP formatted message via the Ethernet pipe.
    • 提供了数字分布式天线系统(DAS)内手机定位的方法和系统。 在一个实施例中,一种方法包括:从位于数字DAS内的用户单元接收对位置服务的请求,数字DAS包括用于传送一个或多个调制信号的数字化RF信号的带宽的第一分区和带宽的第二分区 用于传输IP格式数据的以太网管道; 将位置服务请求路由到用户定位中心; 指示数字DAS的地理区域内的定位器接收机监听来自用户单元的信号; 在第一定位器接收机处收听信号; 当观察到信号时,记录接收到信号的时间并产生用户单元测距数据; 并且经由以太网管道将订户单元测距数据发送回到IP格式化消息中的用户定位中心。