公开(公告)号：US20160212630A1

公开(公告)日：2016-07-21

申请号：US15084843

申请日：2016-03-30

Applicant: SOLiD, INC.

Inventor： Hyoungho KIM ,  Doyoon KIM

IPC: H04W16/24 ,  H04B7/02

CPC classification number: H04W16/24 ,  H04B7/024 ,  H04W88/085

Abstract: There is provided a distributed antenna system includes a plurality of head-end units configured to receive mobile communication signals from at least one base station, a hub unit connected to each of the plurality of head-end units through a first transport medium, the hub unit distributing the mobile communication signals respectively received from the plurality of head-end units to a plurality of remote units connected thereto through a second transport medium, and the plurality of remote units remotely disposed to transmit the mobile communication signals to a terminal in a service coverage, wherein the hub unit includes a signal summer configured to digitally sum sub-band signals in a same mobile communication service band based on the mobile communication signals.

Abstract translation: 提供了一种分布式天线系统，包括被配置为从至少一个基站接收移动通信信号的多个头端单元，通过第一传输介质连接到多个头端单元中的每一个的集线器单元，该集线器 将从多个头端单元分别接收的移动通信信号分配到通过第二传输介质连接到其上的多个远程单元，以及远程设置的多个远程单元，以将服务中的移动通信信号发送到终端 覆盖，其中所述集线器单元包括信号加法器，其被配置为基于所述移动通信信号对相同的移动通信服务频带中的子带信号进行数字求和。

公开(公告)号：US20190014484A1

公开(公告)日：2019-01-10

申请号：US16131312

申请日：2018-09-14

Applicant: SOLiD, INC.

Inventor： Hyoungho KIM ,  Doyoon KIM

IPC: H04W16/24 ,  H04W88/08 ,  H04B7/024

Abstract: There is provided a distributed antenna system includes a plurality of head-end units configured to receive mobile communication signals from at least one base station, a hub unit connected to each of the plurality of head-end units through a first transport medium, the hub unit distributing the mobile communication signals respectively received from the plurality of head-end units to a plurality of remote units connected thereto through a second transport medium, and the plurality of remote units remotely disposed to transmit the mobile communication signals to a terminal in a service coverage, wherein the hub unit includes a signal summer configured to digitally sum sub-band signals in a same mobile communication service band based on the mobile communication signals.

公开(公告)号：US20180116012A1

公开(公告)日：2018-04-26

申请号：US15848331

申请日：2017-12-20

Applicant: SOLiD, INC.

Inventor： Hyoungho KIM ,  Doyoon KIM

IPC: H04W88/08 ,  H04B7/022

CPC classification number: H04W88/085 ,  H04B7/022

Abstract: A distributed antenna system (DAS) according to an aspect of the inventive concept includes a first node unit for receiving first digital data in accordance with a digital interface standard from a base station, converting the first digital data into second digital data in accordance with a DAS frame standard, and a second node unit for receiving the second digital data from the first node unit, and restoring the first digital data based on the second digital data.

公开(公告)号：US20180034649A1

公开(公告)日：2018-02-01

申请号：US15540638

申请日：2015-12-30

Applicant: SOLiD, INC.

Inventor： Doyoon KIM

IPC: H04L12/18 ,  H04L12/861

CPC classification number: H04L12/18 ,  H04L12/189 ,  H04L45/66 ,  H04L47/32 ,  H04L47/6245 ,  H04L49/90

Abstract: Provided are a node unit including a queuing engine for multicasting Ethernet data, and a distributed antenna system including the same. The node unit is a node unit which is branch-connected to a plurality of lower nodes, and comprises: a media access control (MAC) module; and a queuing engine for interfacing Ethernet data between the MAC module and the plurality of branch-connected lower nodes, wherein the queuing engine multicasts Ethernet data received from the MAC module to the plurality of branch-connected lower nodes, transfers Ethernet data received from the plurality of branch-connected lower nodes to the MAC module, wherein the queuing engine comprises a buffer for buffering Ethernet data received from the plurality of branch-connected lower nodes, and outputting the buffered Ethernet data to the MAC module.

公开(公告)号：US20170367061A1

公开(公告)日：2017-12-21

申请号：US15540651

申请日：2014-12-31

Applicant: SOLiD, INC.

Inventor： Doyoon KIM ,  Hyoungho KIM

IPC: H04W56/00 ,  H04L7/00 ,  H04W88/08

CPC classification number: H04W56/005 ,  H04B17/10 ,  H04B17/104 ,  H04B17/14 ,  H04L7/0041 ,  H04W56/007 ,  H04W88/085

Abstract: Provided is a node unit which is branch-connected to another communication node via a transport medium, the node unit comprising: a delay measurement unit which transmits a test signal for measuring a delay to an adjacent node unit of the branch-connected upper stage via the transport medium and detects a loopback signal to which the test signal is looped back via the adjacent node unit of the upper stage, thereby measuring an upper stage transmission delay between the adjacent node unit of the upper stage and the node unit; a delay summation unit which, when an adjacent node unit of the branch-connected lower stage exists, receives a lower stage transmission delay transmitted from the adjacent node unit of the lower stage, and calculates a summed transmission delay by summing the upper stage transmission delay and the lower stage transmission delay; and a control unit which transmits the summed transmission delay to the adjacent node unit of the upper stage.

公开(公告)号：US20170359103A1

公开(公告)日：2017-12-14

申请号：US15540625

申请日：2015-12-30

Applicant: SOLiD, INC.

Inventor： Doyoon KIM ,  Kwangnam SEO

IPC: H04B7/02 ,  H04L25/26 ,  H04L25/03

CPC classification number: H04B7/02 ,  H04B7/022 ,  H04B10/25753 ,  H04L25/03 ,  H04L25/26 ,  H04W88/085

Abstract: According to an aspect of the inventive concept, there is provided a signal processing method performed in a distributed antenna system, includes extracting at least a part of sample data corresponding to an occupied frequency band from a digitized analog RF signal; and combining the extracted sample data.

公开(公告)号：US20160211891A1

公开(公告)日：2016-07-21

申请号：US15084749

申请日：2016-03-30

Applicant: SOLiD, INC.

Inventor： Hyoungho KIM ,  Doyoon KIM ,  Kwangnam SEO

IPC: H04B7/02 ,  H04L27/26

CPC classification number: H04B7/022 ,  H04L27/2614 ,  H04L27/2624

Abstract: A distributed antenna system includes a plurality of head-end units for each receiving mobile communication signals from at least one corresponding base station, a hub unit communicatively coupled to the plurality of head-end units, and a plurality of remote units communicatively coupled to the hub unit, wherein the hub unit configured to distribute the mobile communication signals received from each of the plurality of head-end units to the plurality of remote units, wherein each of the plurality of remote units is remotely disposed to transmit the distributed mobile communication signals to a terminal in service coverage, and wherein the hub unit includes a mixing processing stage configured to perform digital mixing processing on the mobile communication signals respectively received from the plurality of head-end units, and a crest factor reduction (CFR) module disposed posterior to the mixing processing stage, with respect to a signal transmission direction.

Abstract translation: 分布式天线系统包括多个头端单元，用于各自接收来自至少一个对应的基站的移动通信信号，通信地耦合到多个头端单元的集线器单元，以及多个远程单元，其通信地耦合到 集线器单元，其中所述集线器单元被配置为将从所述多个头端单元中的每一个接收的移动通信信号分配给所述多个远程单元，其中所述多个远程单元中的每一个被远程布置以发送所述分布式移动通信信号 到服务覆盖的终端，其中，所述集线器单元包括混合处理级，其被配置为对从所述多个头端单元分别接收的移动通信信号执行数字混合处理，以及设置在后端的波峰因数降低（CFR）模块 到混合处理阶段，相对于信号传输方向。