公开(公告)号：EP3731434A1

公开(公告)日：2020-10-28

申请号：EP20180035.6

申请日：2014-10-17

申请人： KMW Inc. ,  Sogang University Research Foundation

发明人： MOON, Young-Chan ,  LEE, Myong-Sik ,  CHOI, Chang-Seob ,  HONG, Dae-Hyoung ,  YUN, Sang-Won ,  SUNG, Won-Jin ,  KIM, Young-Lok ,  JEONG, Ok-Hyun ,  CHOI, Doo-Hun

IPC分类号： H04B7/155 ,  H04W88/08 ,  H04W56/00

摘要： The present invention relates to a remote unit (30) for use in a mobile communication base station system, comprising:
a wireless communication unit (33) configured to receive a signal transmitted by wireless communication from a donor unit (20), to convert the received signal into a Radio Frequency ,RF, band signal which belongs to a frequency band for a predetermined mobile communication service, and to output the RF band signal;
a service signal processor (31) configured to receive a Multiple Input Multiple Output, MIMO, signal output from the wireless communication unit (33), configured to to divide the signal into a plurality of transmission channel signals, configured to convert the plurality of transmission channel signals into a plurality of RF band signals which belong to the frequency band for the predetermined mobile communication service, and configured to output the plurality of RF band signals to a base station antenna (40); and
a synchronization and communication controller (32) configured to extract a synchronization signal from the signal output from the wireless communication unit (33), and to receive a control signal, wherein the service signal processor (31) is configured to receive a reception signal from the base station antenna (40), configured to divide the reception signal into a plurality of reception channel signals, configured to convert the plurality of reception channel signals into a plurality of RF band signals which belong to the frequency band for the predetermined mobile communication service, configured to shift frequencies of the RF band signals by a predetermined amount, and configured to output the resultant RF band signals,
where the synchronization and communication controller (32) is configured to generate a control signal of a predetermined frequency band, and configured to provide the control signal to the donor unit (20), and
the wireless communication unit (33) is configured to synthesize the signals of the reception channels output from the service signal processor (31) and the control signal generated from the synchronization and communication controller (32), is configured to convert the synthesized signal into a signal of a predetermined frequency, and configured to transmit the synthetisized signal to the donor unit (20).

公开(公告)号：EP3065310A1

公开(公告)日：2016-09-07

申请号：EP14857389.2

申请日：2014-10-17

申请人： KMW Inc. ,  Sogang University Research Foundation

发明人： MOON, Young-Chan ,  LEE, Myong-Sik ,  CHOI, Chang-Seob ,  HONG, Dae-Hyoung ,  YUN, Sang-Won ,  SUNG, Won-Jin ,  KIM, Young-Lok ,  JEONG, Ok-Hyun ,  CHOI, Doo-Hun

IPC分类号： H04B7/155

CPC分类号： H04W56/001 ,  H04B7/155 ,  H04W88/085

摘要： The present invention relates to a mobile communication base station system comprising: a donor unit connected to a baseband unit; and a remote unit installed at the base station antenna side, wherein the donor unit has a baseband signal processing part including a digital signal processing part for processing interface with the baseband unit, a wireless communication part for processing a wireless communication signal between the baseband signal processing part and the remote unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control signal from the baseband unit, and wherein the remote unit has a service signal processing part for processing MIMO interface with a base station antenna, a wireless communication part for processing a wireless communication signal between the service signal processing part and the donor unit, and a synchronization and communication control part for processing a synchronizing signal and a communication control signal from the donor unit. The donor unit and the remote unit can be easily expanded in a daisy-chain fashion, thereby broadening coverage, and can also be utilized for multihop relay, and thus are suitable for small cell-based next generation communication systems for capacity expansion.

摘要翻译： 移动通信基站系统技术领域本发明涉及一种移动通信基站系统，包括：与基带单元连接的施主单元; 以及安装在基站天线侧的远程单元，其中所述施主单元具有基带信号处理部分，所述基带信号处理部分包括用于处理与所述基带单元的接口的数字信号处理部分，用于处理所述基带信号之间的无线通信信号的无线通信部分 处理部分和远程单元，以及用于处理来自基带单元的同步信号和通信控制信号的同步和通信控制部分，并且其中远程单元具有用于处理与基站天线的MIMO接口的服务信号处理部分， 用于处理服务信号处理部分和施主单元之间的无线通信信号的无线通信部分，以及用于处理来自供体单元的同步信号和通信控制信号的同步和通信控制部分。 供体单元和远程单元可以以菊花链方式容易地扩展，从而扩大覆盖范围，并且还可以用于多跳中继，因此适用于用于容量扩展的小型基于小区的下一代通信系统。