公开(公告)号：US20170142607A1

公开(公告)日：2017-05-18

申请号：US15348845

申请日：2016-11-10

Applicant: CommScope Technologies LLC

Inventor： Steven B. Stuart ,  Thomas Stavsvick ,  Dean Zavadsky

IPC: H04W24/10 ,  H04W48/16 ,  H04W24/02

CPC classification number: H04W24/10 ,  H04W24/02 ,  H04W48/16 ,  H04W92/22

Abstract: Controller provides signals to controlled nodes and includes first channel interface coupled to first controlled node and second channel interface coupled to second controlled node. Controller discovers which channel interface is coupled to which controlled node by communicating first measurement request signal from first channel interface toward first controlled node; communicating second measurement request signal from second channel interface toward second controlled node; communicating power level request signal from a channel interface to first/second controlled nodes; receiving set of power levels from both first/second controlled nodes in response to power level request signal; determining that first controlled node is more strongly signal-coupled with first channel interface than second controlled node when first power level received from first controlled node is higher; and determine that second controlled node is more strongly signal-coupled with first channel interface than first controlled node when first power level received from second controlled node is higher.

公开(公告)号：US20160373232A1

公开(公告)日：2016-12-22

申请号：US15256216

申请日：2016-09-02

Applicant: CommScope Technologies LLC

Inventor： Dean Zavadsky ,  Jody Forland ,  Larry G. Fischer ,  Philip M. Wala

IPC: H04L5/00 ,  H04W72/12

CPC classification number: H04L5/0085 ,  H04J3/04 ,  H04J3/16 ,  H04W72/12

Abstract: A serial link interface unit includes serialized data stream interfaces configured to receive a serialized data stream having a data rate and set of timeslots; an aggregate serialized data stream interface configured to communicate an aggregate serialized data stream having aggregate data rate and plurality of aggregate timeslot sets each coming sequentially in time, wherein a second aggregate timeslot set comes after a first aggregate timeslot set; and wherein the serial link interface unit interleaves data from the different serialized data streams received at the plurality of first interfaces by mapping data from a first timeslot from each different serialized data stream to the first aggregate timeslot set in the aggregate serialized data stream and mapping data from a second timeslot from each different serialized data stream to the second aggregate timeslot set in the aggregate serialized data stream.

Abstract translation: 串行链路接口单元包括被配置为接收具有数据速率和时隙集合的串行数据流的串行数据流接口; 聚合序列化数据流接口，被配置为传送具有聚合数据速率和多个聚合时隙集合的聚合序列化数据流，每个聚合时隙集合在时间上顺序地进行，其中第二聚合时隙集合在第一聚合时隙集合之后; 并且其中所述串行链路接口单元通过将来自每个不同序列化数据流的第一时隙的数据映射到所述聚合序列化数据流中设置的所述第一聚合时隙并映射数据，从而在所述多个第一接口处接收的不同序列化数据流中的数据进行交织 从第二时隙从每个不同的序列化数据流到在聚合序列化数据流中设置的第二聚合时隙。

公开(公告)号：US20240349085A1

公开(公告)日：2024-10-17

申请号：US18751212

申请日：2024-06-22

Applicant: CommScope Technologies LLC

Inventor： Alfons Dussmann ,  Joerg Stefanik ,  Patrick Braun ,  Daniel Schwab ,  Van Erick Hanson ,  Suresh N. Sriram ,  Thomas Kummetz ,  Dean Zavadsky

IPC: H04W24/02 ,  H04W24/08 ,  H04W72/0453 ,  H04W88/10

CPC classification number: H04W24/02 ,  H04W24/08 ,  H04W72/0453 ,  H04W88/10

Abstract: One embodiment is directed to a system to provide wireless coverage for a plurality of cells. The system comprises a virtualized headend and a plurality of remote units. The system is configured to operate as a distributed antenna system (DAS) when serving at least one of the cells. The plurality of remote units is configured to communicate with the virtualized headend using a switched Ethernet network. The virtualized headend is configured to communicate downlink user-plane data including frequency-domain IQ data and downlink control-plane data for a first cell served by at least one open radio access network (O-RAN) distributed unit (DU) to at least some of the remote units used to serve the first cell. At least some physical layer baseband processing for a wireless interface used to serve the first cell is performed by the virtualized headend or the remote units used to serve the first cell.

公开(公告)号：US12082003B2

公开(公告)日：2024-09-03

申请号：US17362344

申请日：2021-06-29

Applicant: CommScope Technologies LLC

Inventor： Alfons Dussmann ,  Joerg Stefanik ,  Patrick Braun ,  Daniel Schwab ,  Van Erick Hanson ,  Suresh Natarajan Sriram ,  Thomas Kummetz ,  Dean Zavadsky

IPC: H04W24/02 ,  H04W24/08 ,  H04W72/04 ,  H04W72/0453 ,  H04W88/10

CPC classification number: H04W24/02 ,  H04W24/08 ,  H04W72/0453 ,  H04W88/10

Abstract: One embodiment is directed to an open radio access network to provide wireless coverage for a plurality of cells at a site and that comprises a virtualized headend comprising one or more base-station nodes and a plurality of unified remote units deployed at the site. Each of the unified remote units is able to support multiple functional splits, multiple wireless interface protocols, multiple generations of radio access technology, and multiple frequency bands. The unified remote units and functional split used to serve each cell can be changed (for example, on-the-fly as a part of an automatic or manual adaptation process that is a function of one or more monitored performance attributes of the open radio access network such as network bandwidth, network latency, processing load, or processing performance). The unified remote units can be implemented in a modular manner with a backplane to which different radio modules can be coupled.

公开(公告)号：US12052050B2

公开(公告)日：2024-07-30

申请号：US18176334

申请日：2023-02-28

Applicant: CommScope Technologies LLC

Inventor： Philip M. Wala ,  Alfons Dussmann ,  Thomas Kummetz ,  Massimiliano Mini ,  Dean Zavadsky

IPC: H04B1/525 ,  H01Q1/52 ,  H04B1/44 ,  H04B1/48 ,  H04B7/0413 ,  H04B17/12 ,  H04L5/14

CPC classification number: H04B1/525 ,  H01Q1/523 ,  H04B1/44 ,  H04B1/48 ,  H04B7/0413 ,  H04B17/12 ,  H04L5/1461

Abstract: In an embodiment, a remote antenna unit includes a transmitter, a receiver, an antenna, a first interference circuit, and a second interference circuit. The transmitter is configured to generate a transmit signal, and the receiver configured to process a receive signal. The antenna is coupled to the transmitter and the receiver and is configured to radiate a downlink signal in response to the transmit signal and generate the receive signal in response to an uplink signal. The first interference circuit is coupled to the transmitter and the receiver and is configured to receive an analog signal from the transmitter. The second interference circuit coupled to the transmitter and the receiver. The first interference circuit and the second interference circuit are configured to reduce, in the receive signal, interference caused by the transmit signal and/or at least one downlink signal radiated by an antenna.

公开(公告)号：US20210409977A1

公开(公告)日：2021-12-30

申请号：US17362344

申请日：2021-06-29

Applicant: CommScope Technologies LLC

Inventor： Alfons Dussmann ,  Joerg Stefanik ,  Patrick Braun ,  Daniel Schwab ,  Van Erick Hanson ,  Suresh Natarajan Sriram ,  Thomas Kummetz ,  Dean Zavadsky

IPC: H04W24/02 ,  H04W72/04 ,  H04W24/08

Abstract: One embodiment is directed to an open radio access network to provide wireless coverage for a plurality of cells at a site and that comprises a virtualized headend comprising one or more base-station nodes and a plurality of unified remote units deployed at the site. Each of the unified remote units is able to support multiple functional splits, multiple wireless interface protocols, multiple generations of radio access technology, and multiple frequency bands. The unified remote units and functional split used to serve each cell can be changed (for example, on-the-fly as a part of an automatic or manual adaptation process that is a function of one or more monitored performance attributes of the open radio access network such as network bandwidth, network latency, processing load, or processing performance). The unified remote units can be implemented in a modular manner with a backplane to which different radio modules can be coupled.

公开(公告)号：US10855338B2

公开(公告)日：2020-12-01

申请号：US16030642

申请日：2018-07-09

Applicant: CommScope Technologies LLC

Inventor： Philip M. Wala ,  Dean Zavadsky ,  Jody Forland ,  Jeffrey J. Cannon ,  John M. Hedin

IPC: H04B7/024 ,  H04B7/26 ,  H03J7/04 ,  H04W16/28 ,  H01Q1/24 ,  H04W24/00 ,  H04W88/08 ,  H04W56/00 ,  H04B1/40

Abstract: A distributed antenna system (DAS) includes: a base station network interface; and a remote antenna unit communicatively coupled to the first base station interface, the remote antenna unit including an antenna. The remote antenna unit configured to: receive a radio frequency band signal from a subscriber unit; convert the radio frequency band signal into a data stream; and communicate the data stream with the first base station network interface. The first base station network interface is configured to: convert the data stream or a signal derived from the data stream into a communication signal, wherein a mater reference clock is distributed between various components of the DAS to keep the various components of the DAS locked to a single clock; and communicate the communication signal and the master reference clock to an external device, the external device configured to lock its clock to the master reference clock.

公开(公告)号：USRE48157E1

公开(公告)日：2020-08-11

申请号：US15423757

申请日：2017-02-03

Applicant: CommScope Technologies LLC

Inventor： Jeffrey J. Cannon ,  Dean Zavadsky ,  Philip M. Wala

IPC: H04J3/00 ,  H04L27/00 ,  H04L27/144 ,  H04L27/233 ,  H04W88/08

Abstract: Systems and methods for improved digital RF transport in a DAS are provided. In one embodiment, a transceiver comprises: a receive path circuit including an RF reception interface coupled to an ADC, the ADC receiving a down-converted analog RF spectrum from the RF reception interface and producing a digitized RF spectrum at an input sampling rate; a logic device receiving the digitized RF spectrum and producing a first set of baseband data samples at a first sampling rate, corresponding to a first spectral region of the analog RF spectrum and a second set of baseband data samples at a second sampling rate, corresponding to a second spectral region of the analog RF spectrum. The logic device maps the first set and second sets of baseband data samples to a respective first set and second set of timeslots of a serial data stream transport frame.

公开(公告)号：US20180323831A1

公开(公告)日：2018-11-08

申请号：US16030642

申请日：2018-07-09

Applicant: CommScope Technologies LLC

Inventor： Philip M. Wala ,  Dean Zavadsky ,  Jody Forland ,  Jeffrey J. Cannon ,  John M. Hedin

IPC: H04B7/024 ,  H04W88/08 ,  H04W16/28 ,  H03J7/04 ,  H04W24/00 ,  H01Q1/24 ,  H04B7/26 ,  H04B1/40 ,  H04W56/00

CPC classification number: H04B7/024 ,  H01Q1/246 ,  H03J7/04 ,  H04B1/40 ,  H04B7/26 ,  H04W16/28 ,  H04W24/00 ,  H04W56/00 ,  H04W88/08

Abstract: A distributed antenna system (DAS) includes: a base station network interface; and a remote antenna unit communicatively coupled to the first base station interface, the remote antenna unit including an antenna. The remote antenna unit configured to: receive a radio frequency band signal from a subscriber unit; convert the radio frequency band signal into a data stream; and communicate the data stream with the first base station network interface. The first base station network interface is configured to: convert the data stream or a signal derived from the data stream into a communication signal, wherein a mater reference clock is distributed between various components of the DAS to keep the various components of the DAS locked to a single clock; and communicate the communication signal and the master reference clock to an external device, the external device configured to lock its clock to the master reference clock.

公开(公告)号：US20180287724A1

公开(公告)日：2018-10-04

申请号：US15997448

申请日：2018-06-04

Applicant: CommScope Technologies LLC

Inventor： Dean Zavadsky ,  Thomas G. Hebert

IPC: H04B17/364 ,  H04W24/06

CPC classification number: H04B17/364 ,  H04W24/06 ,  H04W88/085

Abstract: A waveform generator includes circuitry configured to: generate a digital representation of a pulse and apply the digital representation of the pulse to a digital interface of a radio system configured to propagate the pulse and convert the digital representation of the pulse to a radio frequency signal transmitted at the antenna; and mark the digital representation of the pulse with respect to a frame of digital data with a marker. Measurement of when the pulse occurs in the radio frequency signal based on the marker occurs by a spectrum analyzer. Determination occurs of a downlink propagation delay for the radio system between application of the digital representation of the pulse at the digital interface and transmission of the radio frequency signal at the antenna.