公开(公告)号：US09979443B2

公开(公告)日：2018-05-22

申请号：US15464014

申请日：2017-03-20

Applicant: CommScope Technologies LLC

Inventor： Peter Schmid ,  Peter Gunzner ,  Harald Langer ,  Stefan Eisenwinter ,  Marianna Fabbri ,  Oliver Braz ,  Enrico Maria Fabbri ,  Samuele Brighenti ,  Marco Parrucci ,  Massimiliano Mini ,  Thomas Kummetz

IPC: H04B10/00 ,  H04B7/0413 ,  H04B1/00

CPC classification number: H04B7/0413 ,  H04B1/0096

Abstract: A distributed antenna system, comprising: master unit configured to: receive MIMO channel signals at MIMO frequency from signal source, MIMO channel signals including first and second MIMO channel signals; generate LO signal; frequency convert first and/or second MIMO channel signal from MIMO frequency to different frequency close to first legacy service frequency band using the LO signal; combine first MIMO channel signal, second MIMO channel signal, and LO signal for transmission; optical link operably coupled with master unit; unit communicatively coupled with master unit via optical link for transceiving first second MIMO channel signal, unit including band processing circuitry configured to process first and second MIMO channel signal; conversion circuitry configured to receive converted MIMO channel signal and to frequency convert converted MIMO channel signal from frequency close to first legacy service frequency band back to MIMO frequency for transmission over antenna.

公开(公告)号：US12224837B2

公开(公告)日：2025-02-11

申请号：US17724328

申请日：2022-04-19

Applicant: CommScope Technologies LLC

Inventor： Gerhard Braun ,  Gerald Steidle ,  Josef Mayer ,  Patrick Braun ,  Daniel Schwab ,  Peter Gunzner ,  Thomas Rauwolf ,  Rainer Friedrich

IPC: H04B7/06 ,  H04B7/0413 ,  H04L1/00 ,  H04L5/14

Abstract: In one embodiment, a RF signal repeater switchable between SISO and MIMO comprises: a controller; a first transmitter path switchably coupled to first donor and coverage antennas; a second transmitter path switchably coupled to second donor and coverage antennas; a first receiver path switchably coupled to the first donor and coverage antennas; a second receiver path switchably coupled to the second donor and coverage antennas. The controller configures the repeater for a MIMO TDD operating mode by: configuring the first transmitter path and the second receiver path to repeat at least a first MIMO channel of UE uplink RF signals and at least a first MIMO channel of base station downlink RF signals; and configuring the second transmitter path and the first receiver path to repeat at least a second MIMO channel of UE uplink RF signals and at least a second MIMO channel of base station downlink RF signals.

公开(公告)号：US20180269933A1

公开(公告)日：2018-09-20

申请号：US15985454

申请日：2018-05-21

Applicant: CommScope Technologies LLC

Inventor： Peter Schmid ,  Peter Gunzner ,  Harald Langer ,  Stefan Eisenwinter ,  Oliver Braz ,  Marianna Fabbri ,  Enrico Maria Fabbri ,  Samuele Brighenti ,  Marco Parrucci ,  Massimiliano Mini ,  Thomas Kummetz

IPC: H04B7/0413 ,  H04B1/00

CPC classification number: H04B7/0413 ,  H04B1/0096

Abstract: A method includes: receiving MIMO channel signals at original MIMO frequency from signal source(s) at master unit of DAS, set(s) of the MIMO channel signals including first MIMO channel signal and second MIMO channel signal; generating local oscillator signal at master unit; frequency converting first MIMO channel signal(s) and second MIMO channel signal(s) from original MIMO frequency to different frequency different from first legacy service frequency band using local oscillator signal at master unit; combining first MIMO channel signal, second MIMO channel signal, and local oscillator signal into combined signal at master unit; transmitting combined signal across optical link to remote unit; processing first MIMO channel signal and/or second MIMO channel signal at remote unit; and frequency converting converted MIMO channel signal(s) from different frequency different from first legacy service frequency band back to original MIMO frequency for transmission over antenna(s).

公开(公告)号：US20170195015A1

公开(公告)日：2017-07-06

申请号：US15464014

申请日：2017-03-20

Applicant: CommScope Technologies LLC

Inventor： Peter Schmid ,  Peter Gunzner ,  Harald Langer ,  Stefan Eisenwinter ,  Oliver Braz ,  Marianna Fabbri ,  Enrico Maria Fabbri ,  Samuele Brighenti ,  Marco Parrucci ,  Massimiliano Mini ,  Thomas Kummetz

IPC: H04B7/0413 ,  H04B1/00

CPC classification number: H04B7/0413 ,  H04B1/0096

Abstract: A distributed antenna system, comprising: master unit configured to: receive MIMO channel signals at MIMO frequency from signal source, MIMO channel signals including first and second MIMO channel signals; generate LO signal; frequency convert first and/or second MIMO channel signal from MIMO frequency to different frequency close to first legacy service frequency band using the LO signal; combine first MIMO channel signal, second MIMO channel signal, and LO signal for transmission; optical link operably coupled with master unit; unit communicatively coupled with master unit via optical link for transceiving first second MIMO channel signal, unit including band processing circuitry configured to process first and second MIMO channel signal; conversion circuitry configured to receive converted MIMO channel signal and to frequency convert converted MIMO channel signal from frequency close to first legacy service frequency band back to MIMO frequency for transmission over antenna.

公开(公告)号：US09602176B2

公开(公告)日：2017-03-21

申请号：US14987025

申请日：2016-01-04

Applicant: CommScope Technologies LLC

Inventor： Peter Schmid ,  Peter Gunzner ,  Harald Langer ,  Stefan Eisenwinter ,  Oliver Braz ,  Marianna Fabbri ,  Enrico Maria Fabbri ,  Samuele Brighenti ,  Marco Parucci ,  Massimiliano Mini ,  Thomas Kummetz

IPC: H04B10/00 ,  H04B7/14 ,  H04B7/02 ,  H04B7/0413 ,  H04B1/00

CPC classification number: H04B7/0413 ,  H04B1/0096

Abstract: A distributed antenna system includes a master unit configured to receive at least one set of multiple input multiple output (MIMO) channel signals from at least one signal source. The master unit is configured to frequency convert at least one of the MIMO channel signals to a different frequency from an original frequency, and combine the MIMO channel signals for transmission. An optical link couples the master unit with a unit remote from the master unit for transceiving the MIMO channel signals. Conversion circuitry is configured to frequency convert at least one of the first and second MIMO channel signals from the different frequency back to an original frequency for transmission over an antenna.

公开(公告)号：US20220345193A1

公开(公告)日：2022-10-27

申请号：US17724328

申请日：2022-04-19

Applicant: CommScope Technologies LLC

Inventor： Gerhard Braun ,  Gerald Steidle ,  Josef Mayer ,  Patrick Braun ,  Daniel Schwab ,  Peter Gunzner ,  Thomas Rauwolf ,  Rainer Friedrich

IPC: H04B7/06 ,  H04B7/0413 ,  H04L1/00 ,  H04L5/14

Abstract: In one embodiment, a RF signal repeater switchable between SISO and MIMO comprises: a controller; a first transmitter path switchably coupled to first donor and coverage antennas; a second transmitter path switchably coupled to second donor and coverage antennas; a first receiver path switchably coupled to the first donor and coverage antennas; a second receiver path switchably coupled to the second donor and coverage antennas. The controller configures the repeater for a MIMO TDD operating mode by: configuring the first transmitter path and the second receiver path to repeat at least a first MIMO channel of UE uplink RF signals and at least a first MIMO channel of base station downlink RF signals; and configuring the second transmitter path and the first receiver path to repeat at least a second MIMO channel of UE uplink RF signals and at least a second MIMO channel of base station downlink RF signals.

公开(公告)号：US20160119041A1

公开(公告)日：2016-04-28

申请号：US14987025

申请日：2016-01-04

Applicant: CommScope Technologies LLC

Inventor： Peter Schmid ,  Peter Gunzner ,  Harald Langer ,  Stefan Eisenwinter ,  Oliver Braz ,  Marianna Fabbri ,  Enrico Maria Fabbri ,  Samuele Brighenti ,  Marco Parucci ,  Massimiliano Mini ,  Thomas Kummetz

IPC: H04B7/04 ,  H04B1/00

CPC classification number: H04B7/0413 ,  H04B1/0096

Abstract: A distributed antenna system includes a master unit configured to receive at least one set of multiple input multiple output (MIMO) channel signals from at least one signal source. The master unit is configured to frequency convert at least one of the MIMO channel signals to a different frequency from an original frequency, and combine the MIMO channel signals for transmission. An optical link couples the master unit with a unit remote from the master unit for transceiving the MIMO channel signals. Conversion circuitry is configured to frequency convert at least one of the first and second MIMO channel signals from the different frequency back to an original frequency for transmission over an antenna.

Abstract translation: 分布式天线系统包括被配置为从至少一个信号源接收至少一组多输入多输出（MIMO）信道信号的主单元。 主单元被配置为将MIMO信道信号中的至少一个频率转换成与原始频率不同的频率，并且组合用于传输的MIMO信道信号。 光链路将主单元与远离主单元的单元耦合，用于收发MIMO信道信号。 转换电路被配置为将来自不同频率的第一和第二MIMO信道信号中的至少一个频率转换回原始频率以通过天线传输。