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公开(公告)号：US20170047952A1
公开(公告)日：2017-02-16
申请号：US15181033
申请日：2016-06-13
Applicant: Dali Systems Co. Ltd.
Inventor： Wan-Jong Kim , Kyoung-Joon Cho , Shawn Patrick Stapleton
CPC classification number: H04B1/0475 , H03F1/3247 , H03F2200/111 , H03F2200/451 , H04B1/62 , H04L27/2626 , H04L27/368
Abstract: A high performance and cost effective method of RF-digital hybrid mode power amplifier systems with high linearity and high efficiency for multi-frequency band wideband communication system applications is disclosed. The present disclosure enables a power amplifier system to be field reconfigurable and support multiple operating frequency bands on the same PA system over a very wide bandwidth. In addition, the present invention supports multi-modulation schemes (modulation agnostic), multi-carriers and multi-channels.
Abstract translation: 公开了一种用于多频带宽带通信系统应用的具有高线性度和高效率的RF数字混合模式功率放大器系统的高性能和成本有效的方法。 本公开使得功率放大器系统能够在现场可重新配置并且在非常宽的带宽上支持相同PA系统上的多个工作频带。 此外，本发明支持多调制方案（调制不可知），多载波和多信道。
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122.发明申请公开(公告)号：US20170013568A1
公开(公告)日：2017-01-12
申请号：US15154073
申请日：2016-05-13
Applicant: Dali Systems Co. Ltd.
Inventor： Seyed Amin Hejazi , Shawn Patrick Stapleton
CPC classification number: H04W52/243 , H04L5/0023 , H04L5/0032 , H04L5/0073 , H04W52/346 , H04W72/0473
Abstract: A method of determining a carrier power in a communications system including a processor includes a) setting a power differential between a reference carrier and one or more carriers, b) measuring a number of satisfied users at the power differential, and c) measuring a capacity for the satisfied users at the power differential. The method also includes d) increasing the power differential by a predetermined amount and e) determining, using the processor, that the number of satisfied users at the increased power differential is greater than or equal to the number of satisfied users at the power differential. The method further includes f) repeating a)-c) and g) setting the carrier power at an iterated power level.
Abstract translation: 一种在包括处理器的通信系统中确定载波功率的方法，包括：a）设置参考载波与一个或多个载波之间的功率差; b）测量所述功率差下的满足用户数量，以及c）测量容量 为满足用户的电力差。 该方法还包括：d）将功率差增加预定量，以及e）使用所述处理器确定所述增加的功率差异的满足用户的数量大于或等于所述功率差异满足的用户的数量。 该方法还包括f）重复a）-c）和g）以迭代功率级设置载波功率。
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公开(公告)号：US09531473B2
公开(公告)日：2016-12-27
申请号：US14949405
申请日：2015-11-23
Applicant: DALI SYSTEMS CO. LTD.
Inventor： Paul Lemson , Shawn Patrick Stapleton , Sasa Trajkovic , Albert S. Lee
CPC classification number: H04W72/0453 , H03F1/3247 , H03F3/24 , H03F2200/204 , H03F2201/3224 , H03F2201/3233 , H04B10/2575 , H04B10/25753 , H04L5/0032 , H04L5/0048 , H04L25/02 , H04L45/56 , H04L47/125 , H04Q11/0067 , H04Q2011/0081 , H04Q2213/1301 , H04W24/02 , H04W40/02 , H04W72/0486 , H04W88/085
Abstract: The present disclosure is a novel utility of a software defined radio (SDR) based Distributed Antenna System (DAS) that is field reconfigurable and support multi-modulation schemes (modulation-independent), multi-carriers, multi-frequency bands and multi-channels. The present disclosure enables a high degree of flexibility to manage, control, enhance, facilitate the usage and performance of a distributed wireless network such as flexible simulcast, automatic traffic load-balancing, network and radio resource optimization, network calibration, autonomous/assisted commissioning, carrier pooling, automatic frequency selection, frequency carrier placement, traffic monitoring, traffic tagging, pilot beacon, etc.
Abstract translation: 本公开是基于软件定义无线电（SDR）的分布式天线系统（DAS）的新颖实用性，其是现场可重配置的并且支持多调制方案（与调制无关），多载波，多频带和多信道 。 本公开使得能够高度灵活地管理，控制，增强，促进分布式无线网络的使用和性能，例如灵活的联播，自动流量负载平衡，网络和无线电资源优化，网络校准，自主/辅助调试 载波池，自动频率选择，载波放置，流量监控，流量标签，导频信标等。
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公开(公告)号：US09439242B2
公开(公告)日：2016-09-06
申请号：US13960346
申请日：2013-08-06
Applicant: DALI SYSTEMS CO. LTD.
Inventor： Shawn Patrick Stapleton , Qianqi Zhuang
CPC classification number: H04W56/0005 , H04W40/02 , H04W40/06 , H04W56/003 , H04W56/0045 , H04W88/085 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/142 , Y02D70/30 , Y02D70/322
Abstract: A system for routing signals in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs) and a plurality of Digital Remote Units (DRUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The plurality of DRUs are coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs. The system also includes a plurality of Base Transceiver Stations (BTS) and a plurality of Base Transceiver Station sector RF connections coupled to the plurality of DAUs and operable to route signals between the plurality of DAUs and the plurality of Base Transceiver Stations sector RF port connections. The system further includes one or more delay compensation merge units operable to delay signals transmitted from or received by each of the plurality of DRUs.
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接入单元（DAU）和多个数字远程单元（DRU）。 多个DAU被耦合并且可操作以在多个DAU之间路由信号。 多个DRU耦合到多个DAU并且可操作以在DRU和DAU之间传输信号。 该系统还包括耦合到多个DAU的多个基站收发台（BTS）和多个基站收发台部分RF连接，并且可操作以在多个DAU和多个基站收发台之间路由信号扇区RF端口连接 。 系统还包括一个或多个延迟补偿合并单元，其可操作以延迟从多个DRU中的每一个发送或接收的信号。
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公开(公告)号：US09419837B2
公开(公告)日：2016-08-16
申请号：US14800515
申请日：2015-07-15
Applicant: DALI SYSTEMS CO. LTD.
Inventor： Shawn Patrick Stapleton , Paul Lemson , Bin Lin , Albert S. Lee
IPC: H04L27/26 , H03F1/32 , H03F3/24 , H04L25/03 , H04L27/36 , H04W24/02 , H04B1/04 , H04W24/04 , H04W40/00 , H04W72/04
CPC classification number: H04W40/02 , H03F1/3247 , H03F3/24 , H03F2200/336 , H03F2200/57 , H03F2201/3224 , H03F2201/3233 , H04B1/0475 , H04B7/022 , H04B2001/0425 , H04L25/03343 , H04L27/2618 , H04L27/362 , H04L2025/03414 , H04W24/02 , H04W24/04 , H04W40/00 , H04W72/04 , H04W72/0453
Abstract: The present disclosure is a novel utility of a software defined radio (SDR) based Distributed Antenna System (DAS) that is field reconfigurable and support multi-modulation schemes (modulation-independent), multi-carriers, multi-frequency bands and multi-channels. The present invention enables a high degree of flexibility to manage, control, enhance, facilitate the usage and performance of a distributed wireless network such as Flexible Simulcast, automatic traffic load-balancing, network and radio resource optimization, network calibration, autonomous/assisted commissioning, carrier pooling, automatic frequency selection, frequency carrier placement, traffic monitoring, traffic tagging, pilot beacon, etc. As a result, a DAS in accordance with the present invention can increase the efficiency and traffic capacity of the operators' wireless network.
Abstract translation: 本公开是基于软件定义无线电（SDR）的分布式天线系统（DAS）的新颖实用性，其是现场可重配置并支持多调制方案（不依赖于调制的），多载波，多频带和多信道 。 本发明能够灵活地管理，控制，增强，促进分布式无线网络的使用和性能，例如灵活的模拟广播，自动流量负载平衡，网络和无线电资源优化，网络校准，自主/辅助调试 载波池，自动频率选择，载频布置，流量监控，流量标签，导频信标等。因此，根据本发明的DAS可以提高运营商的无线网络的效率和流量。
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Patent Agency Ranking
126.发明申请SOFTWARE CONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHOD FOR BANDWIDTH COMPRESSION AND TRANSPORT OF SIGNALS IN NONCONTIGUOUS FREQUENCY BLOCKS 审中-公开软件可配置的分布式天线系统和方法用于非线性频率块中信号的带宽压缩和传输公开(公告)号：US20160226784A1
公开(公告)日：2016-08-04
申请号：US14960177
申请日：2015-12-04
Applicant: DALI SYSTEMS CO. LTD.
Inventor： Shawn Patrick Stapleton , Wan-Jong Kim
IPC: H04L12/811 , H04B1/00
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。
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127.发明申请SYSTEM AND METHOD FOR INCREASING BANDWIDTH FOR DIGITAL PREDISTORTION IN MULTI-CHANNEL WIDEBAND COMMUNICATION SYSTEMS 审中-公开用于增加多通道宽带通信系统中数字预测的带宽的系统和方法公开(公告)号：US20160191087A1
公开(公告)日：2016-06-30
申请号：US14918371
申请日：2015-10-20
Applicant: Dali Systems Co. Ltd.
Inventor： Wan-Jong Kim , Shawn Patrick Stapleton
CPC classification number: H04B1/0475 , H03F1/3241 , H03F1/3247 , H04B1/0017 , H04B2001/0425 , H04L27/368
Abstract: A method of operating a communications system includes receiving a signal at a digital predistorter (DPD), introducing predistortion to the signal using the DPD, and converting the predistorted signal to an analog signal using a digital-to-analog converter having a first bandwidth. The method also includes amplifying the analog signal, sampling the amplified signal using an analog-to-digital converter having a second bandwidth less than the first bandwidth, and extracting coefficients of the DPD from the sampled signal.
Abstract translation: 一种操作通信系统的方法包括在数字预失真器（DPD）处接收信号，使用DPD将预失真引入信号，以及使用具有第一带宽的数模转换器将预失真信号转换为模拟信号。 该方法还包括放大模拟信号，使用具有小于第一带宽的第二带宽的模数转换器对放大信号进行采样，以及从采样信号中提取DPD的系数。
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公开(公告)号：US09379745B2
公开(公告)日：2016-06-28
申请号：US14553828
申请日：2014-11-25
Applicant: Dali Systems Co. Ltd.
Inventor： Wan-Jong Kim , Kyoung-Joon Cho , Shawn Patrick Stapleton
CPC classification number: H04B1/0475 , H03F1/3247 , H03F2200/111 , H03F2200/451 , H04B1/62 , H04L27/2626 , H04L27/368
Abstract: A high performance and cost effective method of RF-digital hybrid mode power amplifier systems with high linearity and high efficiency for multi-frequency band wideband communication system applications is disclosed. The present disclosure enables a power amplifier system to be field reconfigurable and support multiple operating frequency bands on the same PA system over a very wide bandwidth. In addition, the present invention supports multi-modulation schemes (modulation agnostic), multi-carriers and multi-channels.
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129.发明授权公开(公告)号：US09363768B2
公开(公告)日：2016-06-07
申请号：US13935157
申请日：2013-07-03
Applicant: DALI SYSTEMS CO. LTD.
Inventor： Seyed Amin Hejazi , Shawn Patrick Stapleton
CPC classification number: H04W52/243 , H04L5/0023 , H04L5/0032 , H04L5/0073 , H04W52/346 , H04W72/0473
Abstract: A method of determining a carrier power in a communications system including a processor includes a) setting a power differential between a reference carrier and one or more carriers, b) measuring a number of satisfied users at the power differential, and c) measuring a capacity for the satisfied users at the power differential. The method also includes d) increasing the power differential by a predetermined amount and e) determining, using the processor, that the number of satisfied users at the increased power differential is greater than or equal to the number of satisfied users at the power differential. The method further includes f) repeating a)-c) and g) setting the carrier power at an iterated power level.
Abstract translation: 一种在包括处理器的通信系统中确定载波功率的方法，包括：a）设置参考载波与一个或多个载波之间的功率差; b）测量所述功率差下的满足用户数量，以及c）测量容量 为满足用户的电力差。 该方法还包括：d）将功率差增加预定量，以及e）使用所述处理器确定所述增加的功率差异的满足用户的数量大于或等于所述功率差异满足的用户的数量。 该方法还包括f）重复a）-c）和g）以迭代功率级设置载波功率。
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公开(公告)号：US09258022B2
公开(公告)日：2016-02-09
申请号：US14552231
申请日：2014-11-24
Applicant: Dali Systems Co. Ltd.
Inventor： Wan-Jong Kim , Shawn Patrick Stapleton
CPC classification number: H04B1/0475 , H03F1/02 , H03F1/3241 , H03F3/24 , H04B1/0017 , H04B2001/0425 , H04B2001/0433 , H04B2001/045
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。
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