Patents by Inventor Patrick Stapleton

Patrick Stapleton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DAS integrated digital off-air repeater
    Patent number: 10779217
    Abstract: Embodiments may allow remote base transceiver stations (BTSs) physically located away from a local source of users to be able to provide local service as if the remote BTSs were at or near the local source of users. Some embodiments may include a plurality of BTSs, each having one or more sectors, and one or more digital access units (DAUs). Embodiments may also include a plurality of repeater digital units (RDUs), where each RDU may be configured to communicate to at least one of the plurality of BTSs and may be operable to route signals optically to the one or more DAUs. Embodiments may also include a plurality of digital remote units (DRUs) located at a location remote to the one or more DAUs, wherein the plurality of remote DRUs may be operable to transport signals to the one or more DAUs.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 15, 2020
    Assignee: DALI WIRELESS, INC.
    Inventor: Shawn Patrick Stapleton
  • REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS
    Publication number: 20200267732
    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.
    Type: Application
    Filed: May 7, 2020
    Publication date: August 20, 2020
    Inventors: Paul LEMSON, Shawn Patrick STAPLETON, Sasa TRAJKOVIC, Albert S. LEE
  • System and method for increasing bandwidth for digital predistortion in multi-channel wideband communication systems
    Patent number: 10749553
    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.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: August 18, 2020
    Assignee: DALI SYSTEMS CO. LTD
    Inventors: Wan-Jong Kim, Shawn Patrick Stapleton
  • Optimization of traffic load in a distributed antenna system
    Patent number: 10750382
    Abstract: A system for dynamically routing signals in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The system also includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs and a plurality of Base Transceiver Stations (BTS). The system further includes a plurality of traffic monitoring modules and a network optimization goal and optimization algorithm.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: August 18, 2020
    Assignee: DALI WIRELESS, INC.
    Inventors: Shawn Patrick Stapleton, Seyed Amin Hejazi
  • Remotely reconfigurable distributed antenna system and methods
    Patent number: 10743317
    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.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: August 11, 2020
    Assignee: DALI WIRELESS, INC.
    Inventors: Paul Lemson, Shawn Patrick Stapleton, Sasa Trajkovic, Albert S. Lee
  • DIGITAL MULTIPLEXER IN A DISTRIBUTED ANTENNA SYSTEM
    Publication number: 20200244316
    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.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Inventors: Shawn Patrick STAPLETON, Sasa TRAJKOVIC
  • Wide bandwidth digital predistortion system with reduced sampling rate
    Patent number: 10727879
    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.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: July 28, 2020
    Assignee: DALI SYSTEMS CO. LTD.
    Inventors: Wan-Jong Kim, Shawn Patrick Stapleton
  • Modulation agnostic digital hybrid mode power amplifier system and method
    Patent number: 10728066
    Abstract: A RF-digital hybrid mode power amplifier system for achieving high efficiency and high linearity in wideband communication systems is disclosed. The present invention is based on the method of adaptive digital predistortion to linearize a power amplifier in the RF domain. The present disclosure enables a power amplifier system to be field reconfigurable and support multi-modulation schemes (modulation agnostic), multi-carriers and multi-channels. As a result, the digital hybrid mode power amplifier system is particularly suitable for wireless transmission systems, such as base-stations, repeaters, and indoor signal coverage systems, where baseband I-Q signal information is not readily available.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: July 28, 2020
    Assignee: DALI SYSTEMS CO. LTD.
    Inventors: Wan Jong Kim, Kyoung Joon Cho, Shawn Patrick Stapleton, Ying Xiao
  • VIRTUALIZED WIRELESS MESH NETWORK
    Publication number: 20200236735
    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.
    Type: Application
    Filed: February 13, 2020
    Publication date: July 23, 2020
    Inventors: Albert S. LEE, Shawn Patrick STAPLETON, Paul LEMSON, Gary SPEDALIERE
  • Data transport in a virtualized distributed antenna system
    Patent number: 10721548
    Abstract: A system for routing signals in a Distributed Antenna System (DAS) includes one or more local Digital Access Units (DAUs) located at a local location and one or more remote DAUs located at one or more remote locations. Each of the one or more local DAUs includes an optical port coupled to an upstream unit. The upstream unit includes at least one of a repeater, a baseband unit, a Base Transceiver Station (BTS), or a DAU. The one or more remote DAUs are coupled to the one or more local DAUs via one or more optical cables. A distance between the local location and each of the one or more remote locations is greater than two kilometers.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: July 21, 2020
    Assignee: DALI SYSTEMS CO. LTD.
    Inventors: Shawn Patrick Stapleton, Sasa Trajkovic
  • Remotely reconfigurable distributed antenna system and methods
    Patent number: 10701695
    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.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: June 30, 2020
    Assignee: DALI WIRELESS, INC.
    Inventors: Paul Lemson, Shawn Patrick Stapleton, Sasa Trajkovic, Albert S. Lee
  • VIRTUAL RADIO ACCESS NETWORK USING SOFTWARE-DEFINED NETWORK OF REMOTES AND DIGITAL MULTIPLEXING SWITCHES
    Publication number: 20200186250
    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.
    Type: Application
    Filed: January 6, 2020
    Publication date: June 11, 2020
    Inventors: Shawn Patrick STAPLETON, Sasa TRAJKOVIC
  • EVOLUTIONARY ALGORITHMS FOR GEOGRAPHIC LOAD BALANCING USING A DISTRIBUTED ANTENNA SYSTEM
    Publication number: 20200187077
    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.
    Type: Application
    Filed: January 2, 2020
    Publication date: June 11, 2020
    Inventors: Seyed Amin HEJAZI, Shawn Patrick STAPLETON
  • Method and system for Wi-Fi data transmission
    Patent number: 10681563
    Abstract: A system for networking Wi-Fi Access Points in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The system also includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs and a plurality of DAU ports and DRU ports. The system further includes a Framer/Deframer, wherein the cellular payload data is separated from the IP data and a network switch. The IP data from a plurality of DAU and DRU ports are buffered and routed to a plurality of DAU and DRU ports. Furthermore, the system includes a plurality of Wi-Fi access points coupled via a mesh network to Wi-Fi access points connected to a plurality of DRUs.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: June 9, 2020
    Assignee: DALI SYSTEMS CO. LTD.
    Inventors: Sasa Trajkovic, Shawn Patrick Stapleton, Qianqi Zhuang
  • METHOD AND SYSTEM FOR BASEBAND PREDISTORTION LINEARIZATION IN MULTI-CHANNEL WIDEBAND COMMUNICATION SYSTEMS
    Publication number: 20200169937
    Abstract: An efficient baseband predistortion linearization method for reducing the spectral regrowth and compensating memory effects in wideband communication systems using effective multiplexing modulation technique such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. The present invention is based on the method of piecewise pre-equalized lookup table based predistortion, which is a cascade of a lookup table predistortion and piecewise pre-equalizers.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Inventors: Wan-Jong KIM, Kyoung Joon CHO, Jong Heon KIM, Shawn Patrick STAPLETON
  • Digital transport of data over distributed antenna network
    Patent number: 10659108
    Abstract: A system for transporting data in a Distributed Antenna System (DAS) includes at least one Digital Access Unit (DAU) and a plurality of Digital Remote Units (DRUs) coupled to the at least one DAU. The plurality of DRUs are operable to transport signals between the plurality of DRUs and the at least one DAU. The at least one DAU includes: a data transport coder comprising: a framer, an encoder, a scrambler, and a serializer and a data transport decoder comprising: a deserializer, a decoder, a descrambler, a frame synchronizer, and a deframer.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 19, 2020
    Assignee: DALI WIRELESS, INC.
    Inventors: Qianqi Zhuang, Shawn Patrick Stapleton
  • OPTIMIZATION OF TRAFFIC LOAD IN A DISTRIBUTED ANTENNA SYSTEM
    Publication number: 20200154288
    Abstract: A system for dynamically routing signals in a Distributed Antenna System includes a plurality of Digital Access Units (DAUs). The plurality of DAUs are coupled and operable to route signals between the plurality of DAUs. The system also includes a plurality of Digital Remote Units (DRUs) coupled to the plurality of DAUs and operable to transport signals between DRUs and DAUs and a plurality of Base Transceiver Stations (BTS). The system further includes a plurality of traffic monitoring modules and a network optimization goal and optimization algorithm.
    Type: Application
    Filed: October 23, 2019
    Publication date: May 14, 2020
    Applicant: Dali Systems Co. Ltd.
    Inventors: Shawn Patrick Stapleton, Seyed Amin Hejazi
  • HYBRID DATA TRANSPORT FOR A VIRTUALIZED DISTRIBUTED ANTENNA SYSTEM
    Publication number: 20200145103
    Abstract: A system for data transport in a Distributed Antenna System (DAS) includes a plurality of remote Digital Access Units (DAUs) located at a Remote location. The plurality of remote DAUs are coupled to each other and operable to transport digital signals between the plurality of remote DAUs. The system also includes a plurality of central hubs. Each of the plurality of central hubs is in communication with one of the remote DAUs using an electrical communications path. The system further includes a plurality of transmit/receive cells. Each of the plurality of transmit/receive cells includes a plurality of remote hubs. Each of the remote hubs in one of the plurality of transmit/receive cells is in communication with one of the plurality of central hubs using an optical communications path.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 7, 2020
    Inventors: Shawn Patrick STAPLETON, Sasa TRAJKOVIC
  • NETWORK SWITCH FOR A DISTRIBUTED ANTENNA NETWORK
    Publication number: 20200145060
    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.
    Type: Application
    Filed: July 17, 2019
    Publication date: May 7, 2020
    Applicant: Dali Systems Co. Ltd.
    Inventors: Qianqi Zhuang, Shawn Patrick Stapleton
  • REMOTELY RECONFIGURABLE DISTRIBUTED ANTENNA SYSTEM AND METHODS
    Publication number: 20200146015
    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.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Inventors: Paul LEMSON, Shawn Patrick STAPLETON, Sasa TRAJKOVIC, Albert S. LEE