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公开(公告)号：US10826610B2
公开(公告)日：2020-11-03
申请号：US16357739
申请日：2019-03-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng
Abstract: A wireless communications system includes a baseband processing unit (BBU), an optical multiplexer, M (greater than or equal to 2) first optical transceivers, and a wireless radio frequency apparatus, where the M first optical transceivers are provided between the BBU and the optical multiplexer, and operating wavelengths of the M first optical transceivers are different from each other. The wireless radio frequency apparatus includes M remote radio units (RRUs), M second optical transceivers separately corresponding to the M first optical transceivers, and at least one optical splitter, where the M second optical transceivers are separately connected to the M RRUs, and an operating wavelength of a first optical transceiver matches an operating wavelength of a corresponding second optical transceiver. The M second optical transceivers are connected to a same optical fiber by the optical splitter, and the optical fiber is connected to the optical multiplexer and the optical splitter.
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公开(公告)号：US20180337457A1
公开(公告)日：2018-11-22
申请号：US16034951
申请日：2018-07-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng , Tao Zhou
CPC classification number: H01Q9/065 , H01Q1/246 , H01Q1/525 , H01Q21/24 , H04B1/38 , H04B7/10 , H04W88/08
Abstract: Embodiments provide a base station, including an antenna unit and a radio frequency unit. A port corresponding to a receive channel that is of the radio frequency unit and in a working state and a port corresponding to a transmit channel that is of the radio frequency unit and in the working state are separately connected to ports corresponding to different dual-polarized dipoles or different single-polarized dipoles in the antenna unit. The different dual-polarized dipoles or the different single-polarized dipoles in the antenna unit are mutually isolated.
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公开(公告)号：US09717062B2
公开(公告)日：2017-07-25
申请号：US15142469
申请日：2016-04-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liexun Feng , Yong He
CPC classification number: H04W56/0015 , H04B10/25 , H04B10/25753 , H04J3/0638 , H04J3/0667 , H04J14/0204 , H04W88/085
Abstract: The present invention discloses a method of time synchronization and a base station system. The base station system includes a main unit, at least one radio unit, and a transmission medium adapted to transmit information between the main unit and the at least one radio unit. The base station system further includes a clock synchronization server configured close to the side of the at least one radio unit or integrated with the at least one radio unit. The clock synchronization server is adapted to transmit synchronization data to the main unit through the transmission medium, so that the main unit performs configuration processing according to the synchronization data to implement time synchronization with the clock synchronization server.
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公开(公告)号：US10375662B2
公开(公告)日：2019-08-06
申请号：US15619806
申请日：2017-06-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liexun Feng , Yong He
Abstract: A method of time synchronization and a base station system are disclosed. The base station system includes a main unit, at least one radio unit, and a transmission medium adapted to transmit information between the main unit and the at least one radio unit. The base station system further includes a clock synchronization server configured close to the side of the at least one radio unit or integrated with the at least one radio unit. The clock synchronization server is adapted to transmit synchronization data to the main unit through the transmission medium, so that the main unit performs configuration processing according to the synchronization data to implement time synchronization with the clock synchronization server.
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公开(公告)号：US09525541B2
公开(公告)日：2016-12-20
申请号：US13952200
申请日：2013-07-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng
CPC classification number: H04L7/0075 , H04J3/0644 , H04J3/0667 , H04Q11/0067 , H04Q2011/0079 , H04Q2213/1301 , H04Q2213/1336
Abstract: The present disclosure discloses a method and a communication system for time synchronization. The system includes at least one base station, an optical line terminal OLT, and a fiber for transmitting information between the base station and the OLT. The system further includes a clock synchronization server, configured to transmit synchronization data between the clock synchronization server and the at least one base station, so that time synchronization is implemented between the at least one base station and the clock synchronization server. According to the solutions provided by the present disclosure, the system apparatus is simple, and the cost low.
Abstract translation: 本公开公开了一种用于时间同步的方法和通信系统。 该系统包括至少一个基站，光线路终端OLT和用于在基站和OLT之间传输信息的光纤。 该系统还包括一个时钟同步服务器，用于在时钟同步服务器与至少一个基站之间发送同步数据，从而在至少一个基站和时钟同步服务器之间实现时间同步。 根据本公开提供的解决方案，系统设备简单，成本低廉。
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Patent Agency Ranking
公开(公告)号：US09357515B2
公开(公告)日：2016-05-31
申请号：US13950650
申请日：2013-07-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Liexun Feng , Yong He
CPC classification number: H04W56/0015 , H04B10/25 , H04B10/25753 , H04J3/0638 , H04J3/0667 , H04J14/0204 , H04W88/085
Abstract: The present invention discloses a method of time synchronization and a base station system. The base station system includes a main unit, at least one radio unit, and a transmission medium adapted to transmit information between the main unit and the at least one radio unit. The base station system further includes a clock synchronization server configured close to the side of the at least one radio unit or integrated with the at least one radio unit. The clock synchronization server is adapted to transmit synchronization data to the main unit through the transmission medium, so that the main unit performs configuration processing according to the synchronization data to implement time synchronization with the clock synchronization server.
Abstract translation: 本发明公开了一种时间同步方法和基站系统。 基站系统包括主单元，至少一个无线电单元和适于在主单元和至少一个无线电单元之间传送信息的传输介质。 基站系统还包括配置为靠近所述至少一个无线电单元侧或与所述至少一个无线电单元集成的时钟同步服务器。 时钟同步服务器适于通过传输介质将同步数据发送到主单元，使得主单元根据同步数据执行配置处理，以实现与时钟同步服务器的时间同步。
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公开(公告)号：US20190215068A1
公开(公告)日：2019-07-11
申请号：US16357739
申请日：2019-03-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng
IPC: H04B10/2575 , H04J14/02 , H04B10/40 , G02B6/293 , H04B10/11
Abstract: A wireless communications system includes a baseband processing unit (BBU), an optical multiplexer, M (greater than or equal to 2) first optical transceivers, and a wireless radio frequency apparatus, where the M first optical transceivers are provided between the BBU and the optical multiplexer, and operating wavelengths of the M first optical transceivers are different from each other. The wireless radio frequency apparatus includes M remote radio units (RRUs), M second optical transceivers separately corresponding to the M first optical transceivers, and at least one optical splitter, where the M second optical transceivers are separately connected to the M RRUs, and an operating wavelength of a first optical transceiver matches an operating wavelength of a corresponding second optical transceiver. The M second optical transceivers are connected to a same optical fiber by the optical splitter, and the optical fiber is connected to the optical multiplexer and the optical splitter.
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公开(公告)号：US10038246B2
公开(公告)日：2018-07-31
申请号：US15276063
申请日：2016-09-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng , Tao Zhou
IPC: H01Q1/50 , H01Q9/28 , H01Q21/00 , H01Q9/06 , H01Q21/24 , H01Q1/24 , H04B1/38 , H01Q1/52 , H04B7/10 , H04W88/08
CPC classification number: H01Q9/065 , H01Q1/246 , H01Q1/525 , H01Q21/24 , H04B1/38 , H04B7/10 , H04W88/08
Abstract: Embodiments provide a base station, including an antenna unit and a radio frequency unit. A port corresponding to a receive channel that is of the radio frequency unit and in a working state and a port corresponding to a transmit channel that is of the radio frequency unit and in the working state are separately connected to ports corresponding to different dual-polarized dipoles or different single-polarized dipoles in the antenna unit. The different dual-polarized dipoles or the different single-polarized dipoles in the antenna unit are mutually isolated.
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公开(公告)号：US20150124801A1
公开(公告)日：2015-05-07
申请号：US14593627
申请日：2015-01-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng , Daowei Wang
Abstract: Embodiments of the present invention provide an access device and system and a method for sending data, and relate to the field of communications technologies, where the device includes: an IP clock server, a first interface, a second interface and a transmission module. According to the embodiments of the present invention, a time synchronization packet is generated by an IP clock server, and a service packet transmitted by an access point transmission device and the time synchronization packet generated by the IP clock server are sent to a small-cell base station through a same interface, thereby implementing both a synchronization function and a transmission function and effectively reducing the number of cables and difficulty in cabling for a small-cell base station.
Abstract translation: 本发明的实施例提供一种接入设备和系统以及用于发送数据的方法，涉及通信技术领域，其中设备包括：IP时钟服务器，第一接口，第二接口和传输模块。 根据本发明的实施例，由IP时钟服务器生成时间同步分组，由接入点发送装置发送的服务分组和由IP时钟服务器生成的时间同步分组被发送到小小区 基站通过相同的接口，由此实现同步功能和传输功能，并有效减少电缆的数量和小型基站的布线难度。
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公开(公告)号：US20130308958A1
公开(公告)日：2013-11-21
申请号：US13952200
申请日：2013-07-26
Applicant: Huawei Technologies Co., Ltd.
Inventor： Liexun Feng
IPC: H04L7/00
CPC classification number: H04L7/0075 , H04J3/0644 , H04J3/0667 , H04Q11/0067 , H04Q2011/0079 , H04Q2213/1301 , H04Q2213/1336
Abstract: The present disclosure discloses a method and a communication system for time synchronization. The system includes at least one base station, an optical line terminal OLT, and a fiber for transmitting information between the base station and the OLT. The system further includes a clock synchronization server, configured to transmit synchronization data between the clock synchronization server and the at least one base station, so that time synchronization is implemented between the at least one base station and the clock synchronization server. According to the solutions provided by the present disclosure, the system apparatus is simple, and the cost low.
Abstract translation: 本公开公开了一种用于时间同步的方法和通信系统。 该系统包括至少一个基站，光线路终端OLT和用于在基站和OLT之间传输信息的光纤。 该系统还包括一个时钟同步服务器，用于在时钟同步服务器与至少一个基站之间发送同步数据，从而在至少一个基站和时钟同步服务器之间实现时间同步。 根据本公开提供的解决方案，系统设备简单，成本低廉。
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