公开(公告)号：WO2013044238A1

公开(公告)日：2013-03-28

申请号：PCT/US2012/056918

申请日：2012-09-24

Applicant: DALI SYSTEMS CO. LTD.

Inventor： KIM, Wan-Jong ,  STAPLETON, Shawn Patrick

IPC: H03F1/26

CPC classification number: H04B1/0475 ,  H03F1/3241 ,  H03F1/3247 ,  H04B1/0017 ,  H04B2001/0425 ,  H04L27/368

Abstract: A digital predistortion linearization method is provided for increasing the instantaneous or operational bandwidth for RF power amplifiers employed in wideband communication systems. Embodiments of the present invention provide a method of increasing DPD linearization bandwidth using a feedback filter integrated into existing digital platforms for multi-channel wideband wireless transmitters. An embodiment of the present invention utilizes a DPD feedback signal in conjunction with a low power band-pass filter in the DPD feedback path.

Abstract translation: 提供数字预失真线性化方法来增加在宽带通信系统中使用的RF功率放大器的瞬时或者操作带宽。 本发明的实施例提供了一种使用集成到用于多信道宽带无线发射机的现有数字平台中的反馈滤波器来增加DPD线性化带宽的方法。 本发明的一个实施例利用DPD反馈信号与DPD反馈路径中的低功率带通滤波器相结合。

公开(公告)号：WO2015134714A1

公开(公告)日：2015-09-11

申请号：PCT/US2015/018893

申请日：2015-03-05

Applicant: DALI SYSTEMS CO. LTD.

Inventor： STAPLETON, Shawn Patrick ,  TRAJKOVIC, Sasa ,  WEBER, Wolfgang

IPC: H04B10/27

CPC classification number: H04W52/245 ,  H04B7/024 ,  H04W40/02 ,  H04W88/085

Abstract: A system for routing signals in a Distributed Antenna System includes a plurality of Digital Multiplexer Units (DMUs). The plurality of DMUs are coupled and operable to route signals between the plurality of DMUs. Each of the plurality of DMUs is operable to receive a digital signal from a base band unit (BBU). The system also includes a plurality of Digital Remote Units (DRUs) coupled to at least one of the plurality of DMUs and operable to transport signals between DRUs and the at least one of the plurality of DMUs.

Abstract translation: 用于在分布式天线系统中路由信号的系统包括多个数字多路复用器单元（DMU）。 多个DMU被耦合并且可操作以在多个DMU之间路由信号。 多个DMU中的每一个可操作以从基带单元（BBU）接收数字信号。 该系统还包括耦合到多个DMU中的至少一个DMU的多个数字远程单元（DRU），并且可操作以在DRU和多个DMU中的至少一个之间传送信号。

公开(公告)号：WO2015103601A1

公开(公告)日：2015-07-09

申请号：PCT/US2015/010303

申请日：2015-01-06

Applicant: DALI SYSTEMS CO. LTD. ,  DALI WIRELESS, INC.

Inventor： ZHUANG, Qianqi ,  STAPLETON, Shawn Patrick

IPC: H04W4/06

CPC classification number: H04B7/024 ,  H04W84/22

Abstract: A system for transporting IP data in a Distributed Antenna System includes at least one Digital Access Units (DAU) having a plurality of optical input/output ports and at least one Ethernet port and a plurality of Digital Remote Units (DRUs) coupled to the at least one DAU. Each of the plurality of DRUs has a plurality of optical input/output ports and at least one Ethernet port. The at least one DAU includes a Framer/Deframer operable to separate cellular payload data from IP data and a network switch operable to buffer the cellular payload data and the IP data and to route the IP data received from the plurality of DRUs to the at least one Ethernet port of the DAU.

Abstract translation: 用于在分布式天线系统中传送IP数据的系统包括具有多个光输入/输出端口和至少一个以太网端口的至少一个数字接入单元（DAU）以及耦合到所述至少一个以太网端口的多个数字远程单元（DRU） 至少一个DAU。 多个DRU中的每一个具有多个光输入/输出端口和至少一个以太网端口。 所述至少一个DAU包括可操作以将蜂窝有效载荷数据与IP数据分离的成帧器/去帧器，以及可操作以缓冲蜂窝有效载荷数据和IP数据并将从多个DRU接收的IP数据路由至少至少 DAU的一个以太网端口。

公开(公告)号：WO2013082042A1

公开(公告)日：2013-06-06

申请号：PCT/US2012/066671

申请日：2012-11-27

Applicant: DALI SYSTEMS CO. LTD ,  STAPLETON, Shawn Patrick

Inventor： STAPLETON, Shawn Patrick ,  KIM, Wan-Jong

IPC: H04B7/14

CPC classification number: H04L47/38 ,  H04B1/0007 ,  H04B1/40 ,  H04B1/50 ,  H04W72/04

Abstract: A method for transporting communications signals includes receiving an analog IF signal at a first unit. The analog IF signal includes a first carrier having a first frequency and a first bandwidth and a second carrier having a second frequency different from the first frequency and a second bandwidth. The analog IF signal is converted to a digitally sampled IF signal having the first carrier located in a first Nyquist zone, the second carrier located in a second Nyquist zone, an image of the first carrier located in a third Nyquist zone, and an image of the second carrier located in the third Nyquist zone. The image of the first carrier and the image of the second carrier is transmitted from the first unit to a second unit, where the image of the first carrier and the image of the second carrier is then converted to the analog IF signal.

Abstract translation: 用于传送通信信号的方法包括在第一单元处接收模拟IF信号。 模拟IF信号包括具有第一频率和第一带宽的第一载波和具有不同于第一频率和第二带宽的第二频率的第二载波。 模拟IF信号被转换成具有第一载波位于第一奈奎斯特区的第二载波的数字采样IF信号，位于第二奈奎斯特区的第二载波，位于第三奈奎斯特区的第一载波的图像， 位于第三奈奎斯特区的第二载体。 第一载波的图像和第二载波的图像从第一单元发送到第二单元，其中第一载波的图像和第二载波的图像然后被转换为模拟IF信号。

公开(公告)号：WO2017007803A1

公开(公告)日：2017-01-12

申请号：PCT/US2016/041076

申请日：2016-07-06

Applicant: DALI SYSTEMS CO. LTD.

Inventor： STAPLETON, Shawn Patrick

IPC: G01S19/01 ,  H04B1/40 ,  H04B10/00 ,  H04W52/24 ,  H04W64/00

CPC classification number: H04W64/00 ,  H04L12/42 ,  H04L12/44 ,  H04W4/90 ,  H04W24/08 ,  H04W64/003 ,  H04W88/085

Abstract: The present disclosure generally relates to wireless communication systems employing Distributed Antenna Systems (DAS) as part of a distributed wireless network. More specifically, the present disclosure relates to a DAS network that utilizes traffic monitoring of mobile devices of a distributed wireless network. Traffic monitoring may be used to monitor the DAS network performance and generate analytics of individual mobile devices.

Abstract translation: 本公开通常涉及使用分布式天线系统（DAS）作为分布式无线网络的一部分的无线通信系统。 更具体地，本公开涉及利用分布式无线网络的移动设备的业务监控的DAS网络。 流量监控可用于监视DAS网络性能并生成各个移动设备的分析。

公开(公告)号：WO2015100315A1

公开(公告)日：2015-07-02

申请号：PCT/US2014/072132

申请日：2014-12-23

Applicant: DALI SYSTEMS CO. LTD. ,  DALI WIRELESS, INC.

Inventor： STAPLETON, Shawn Patrick ,  TRAJKOVIC, Sasa

IPC: H04W4/00

CPC classification number: H04B7/022 ,  H04L45/00

Abstract: A system for routing signals in a Distributed Antenna System (DAS) includes one or more Base Band Units (BBUs). Each of the one or more BBUs has one or more digital outputs. The system also includes a plurality of Digital Multiplexer Units (DMUs) coupled to each other and operable to route signals between the plurality of DMUs. Each of the plurality of DMUs is operable to receive one or more digital inputs from the one or more BBUs. The system further includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DMUs and operable to transport signals between the plurality of DRUs and one or more of the plurality of DMUs.

Abstract translation: 用于在分布式天线系统（DAS）中路由信号的系统包括一个或多个基带单元（BBU）。 一个或多个BBU中的每一个具有一个或多个数字输出。 该系统还包括彼此耦合并且可操作以在多个DMU之间路由信号的多个数字多路复用器单元（DMU）。 多个DMU中的每一个可操作以从一个或多个BBU接收一个或多个数字输入。 该系统还包括耦合到多个DMU的多个数字远程单元（DRU），并且可操作以在多个DRU与多个DMU中的一个或多个之间传送信号。

公开(公告)号：WO2014120920A1

公开(公告)日：2014-08-07

申请号：PCT/US2014/013846

申请日：2014-01-30

Applicant: DALI SYSTEMS CO. LTD. ,  DALI WIRELESS, INC.

Inventor： STAPLETON, Shawn Patrick

IPC: G01S5/14

CPC classification number: G01S19/01 ,  G01S19/11

Abstract: A system for indoor localization using satellite navigation signals in a Distributed Antenna System includes a plurality of Off-Air Access Units (OAAUs). Each of the plurality of OAAUs is operable to receive an individual satellite navigation signal from at least one of a plurality of satellites and operable to route signals optically to one or more DAUs. The system also includes a plurality of remote DRUs located at a Remote location. The plurality of remote DRUs are operable to receive signals from a plurality of the one or more DAUs. The system further includes an algorithm to delay each individual satellite navigation signal for providing indoor localization at each of the plurality of DRUs.

Abstract translation: 在分布式天线系统中使用卫星导航信号的室内定位系统包括多个无线接入单元（OAAU）。 多个OAAU中的每一个可操作以从多个卫星中的至少一个接收单独的卫星导航信号，并可操作以将信号光学地路由到一个或多个DAU。 该系统还包括位于远程位置的多个远程DRU。 多个远程DRU可操作以从多个一个或多个DAU接收信号。 该系统还包括延迟每个单独的卫星导航信号以在多个DRU中的每一个处提供室内定位的算法。

公开(公告)号：WO2013070613A1

公开(公告)日：2013-05-16

申请号：PCT/US2012/063720

申请日：2012-11-06

Applicant: DALI SYSTEMS CO. LTD. ,  LEE, Albert S.

Inventor： LEE, Albert S. ,  STAPLETON, Shawn Patrick ,  LEMSON, Paul ,  SPEDALIERE, Gary

IPC: H04W4/00

CPC classification number: H04W84/042 ,  H04W4/70 ,  H04W4/90 ,  H04W84/047 ,  H04W88/085

Abstract: According to an embodiment of the present invention, a network is provided. The network may include a first base transceiver station (BTS). The first BTS may be operable to provide a first signal including a plurality of first carriers. The network may also include a second BTS operable to provide a second signal including a plurality of second carriers. The network may also include a set of one or more digital access units (DAUs), each of the one or more DAUs being coupled to at least one of the first BTS or the second BTS. A set of one or more digital remote units (DRUs) may be included in the network, each of the DRUs being coupled to one of the one or more DAUs and operable to broadcast the first signal or the second signal.

Abstract translation: 根据本发明的实施例，提供一种网络。 网络可以包括第一基站收发台（BTS）。 第一BTS可以用于提供包括多个第一载波的第一信号。 网络还可以包括可操作以提供包括多个第二载波的第二信号的第二BTS。 网络还可以包括一组一个或多个数字接入单元（DAU），一个或多个DAU中的每一个耦合到第一BTS或第二BTS中的至少一个。 一组一个或多个数字远程单元（DRU）可以包括在网络中，每个DRU被耦合到一个或多个DAU中的一个，并且可操作以广播第一信号或第二信号。

公开(公告)号：WO2017087937A1

公开(公告)日：2017-05-26

申请号：PCT/US2016/063039

申请日：2016-11-21

Applicant: DALI SYSTEMS CO. LTD. ,  DALI WIRELESS, INC.

Inventor： STAPLETON, Shawn Patrick ,  TRAJKOVIC, Sasa

IPC: H04B7/00

CPC classification number: H04B7/024 ,  H04W88/085

Abstract: A system for routing signals in a Distributed Antenna System (DAS) includes one or more Base Band Units (BBUs). Each of the one or more BBUs has one or more digital outputs. The system also includes a plurality of Digital Multiplexer Units (DMUs) coupled to each other and operable to route signals between the plurality of DMUs. Each of the plurality of DMUs is operable to receive one or more digital inputs from the one or more BBUs. The system further includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DMUs and operable to transport signals between the plurality of DRUs and one or more of the plurality of DMUs.

Abstract translation: 用于在分布式天线系统（DAS）中路由信号的系统包括一个或多个基带单元（BBU）。 一个或多个BBU中的每一个具有一个或多个数字输出。 该系统还包括彼此耦合并可操作以在多个DMU之间路由信号的多个数字多路复用器单元（DMU）。 多个DMU中的每一个都可操作以从一个或多个BBU接收一个或多个数字输入。 该系统还包括耦合到多个DMU并且可操作以在多个DRU与多个DMU中的一个或多个之间传输信号的多个数字远程单元（DRU）。

公开(公告)号：WO2013123494A1

公开(公告)日：2013-08-22

申请号：PCT/US2013/026647

申请日：2013-02-19

Applicant: DALI SYSTEMS CO. LTD.

Inventor： STAPLETON, Shawn Patrick ,  HEJAZI, Seyed Amin

IPC: H04W4/00

CPC classification number: H04W36/22 ,  H04W24/08 ,  H04W28/08 ,  H04W36/30 ,  H04W40/14 ,  H04W88/085

Abstract: Methods and apparatuses are presented for balancing non-uniformly distributed network traffic in a wireless communications system having a plurality of digital remote units (DRUs). In some embodiments, a method comprises partitioning the plurality of DRUs into a plurality of DRU sectors, and dynamically repartitioning the plurality of DRU sectors depending on traffic conditions in at least one of the DRU sectors, such that the repartitioning satisfies at least one of a soft capacity constraint or a hard capacity constraint. The dynamic repartitioning may be based on at least one optimization algorithm

Abstract translation: 提出了用于平衡具有多个数字远程单元（DRU）的无线通信系统中的非均匀分布式网络业务的方法和装置。 在一些实施例中，一种方法包括将多个DRU划分成多个DRU扇区，并且根据至少一个DRU扇区中的业务状况来动态地重新分区多个DRU扇区，使得重新分区满足以下中的至少一个： 软容量约束或硬容量约束。 动态重新分配可以基于至少一个优化算法