公开(公告)号：US20220352929A1

公开(公告)日：2022-11-03

申请号：US17272937

申请日：2019-07-25

Applicant: Solid, Inc.

Inventor： Ho Sik Jang ,  Hoo Pyo Hong ,  Hyong Ho Kim ,  Dong Hee Kwon ,  Kyung Eun Han ,  Jin Hwa Ku ,  Dae Young Kim ,  Young Man Cho

IPC: H04B7/022 ,  H04B7/26 ,  H04Q3/00 ,  H04B17/11 ,  H04B17/15 ,  H04B17/29

Abstract: A distributed antenna system of the present invention implements duplication by a method of configuring a first headend unit and a second headend unit in an active state or in a standby state and connecting a hub unit or a remote unit to the first headend unit and the second headend unit and by a method of connecting, through a redundancy link, a hub unit or remote units of a branch group branched from and connected to each headend unit, activating the redundancy link according to the control of an active headend unit when an error occurs in a frame transmission path, and changing logical port states of a hub unit or remote units that cannot transmit frames due to the error in order to change the frame transmission path so that frame transmission is possible through the activated redundancy link.

公开(公告)号：US12047812B2

公开(公告)日：2024-07-23

申请号：US17727794

申请日：2022-04-24

Applicant: SOLiD, Inc.

Inventor： Ho Sik Jang ,  Hoo Pyo Hong ,  Woo Jae Kim ,  Dong Hee Kwon ,  Jeong Won Kang

IPC: H04W28/06 ,  H03M7/30 ,  H04W88/08

CPC classification number: H04W28/065 ,  H03M7/3062 ,  H04W88/085

Abstract: A fronthaul multiplexer according to one aspect of the present invention combines uplink packets in a compressed state that is received from two or more radio units so that the uplink packets are accumulated and combined immediately when received or the uplink packets are recompressed using a compressing method with high compression efficiency when stored in a memory in order to reduce a use amount of memory.

公开(公告)号：US11817918B2

公开(公告)日：2023-11-14

申请号：US17272937

申请日：2019-07-25

Applicant: Solid, Inc.

Inventor： Ho Sik Jang ,  Hoo Pyo Hong ,  Hyong Ho Kim ,  Dong Hee Kwon ,  Kyung Eun Han ,  Jin Hwa Ku ,  Dae Young Kim ,  Young Man Cho

IPC: H04B7/022 ,  H04B17/11 ,  H04B17/15 ,  H04B17/29 ,  H04B7/26 ,  H04Q3/00

CPC classification number: H04B7/022 ,  H04B7/2609 ,  H04B17/11 ,  H04B17/15 ,  H04B17/29 ,  H04Q3/0075 ,  H04Q3/0087 ,  H04Q2213/13098 ,  H04Q2213/145 ,  H04Q2213/167

Abstract: A distributed antenna system of the present invention implements duplication by a method of configuring a first headend unit and a second headend unit in an active state or in a standby state and connecting a hub unit or a remote unit to the first headend unit and the second headend unit and by a method of connecting, through a redundancy link, a hub unit or remote units of a branch group branched from and connected to each headend unit, activating the redundancy link according to the control of an active headend unit when an error occurs in a frame transmission path, and changing logical port states of a hub unit or remote units that cannot transmit frames due to the error in order to change the frame transmission path so that frame transmission is possible through the activated redundancy link.