Patents by Inventor Tao Pu
Tao Pu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20200028527Abstract: Embodiments disclose a multi-frequency transceiver and a base station. The multi-frequency transceiver is connected to an antenna, and includes: at least one transmit multiplexer, where each transmit multiplexer includes multiple transmit paths, and each transmit path is used to transmit one frequency band by using the antenna; and at least one receive multiplexer, where each receive multiplexer includes multiple receive paths, and each receive path is used to receive one frequency band by using the antenna.Type: ApplicationFiled: September 30, 2019Publication date: January 23, 2020Inventors: Jinsong Lv, Honggang Xu, Jueping Wang, Tao Pu
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Patent number: 10454505Abstract: Embodiments disclose a multi-frequency transceiver and a base station. The multi-frequency transceiver is connected to an antenna, and includes: at least one transmit multiplexer, where each transmit multiplexer includes multiple transmit paths, and each transmit path is used to transmit one frequency band by using the antenna; and at least one receive multiplexer, where each receive multiplexer includes multiple receive paths, and each receive path is used to receive one frequency band by using the antenna.Type: GrantFiled: June 13, 2016Date of Patent: October 22, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Jinsong Lv, Honggang Xu, Jueping Wang, Tao Pu
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Patent number: 10250674Abstract: Embodiments of the disclosure provide a radio access method, apparatus, and system, which can implement mutual transmission and processing of collaborative data between sites on a basis of low-cost deployment and high availability, and improve network performance. In the method, a basic DU is deployed in a site, and the method may include: receiving, by a switching device, a first data packet sent by a first basic DU; determining to send the first data packet to a second basic DU for collaborative processing; and sending the first data packet to the second basic DU, so that the second basic DU performs collaborative processing on the first data packet and a second data packet, where the second data packet and the first data packet are of a same data type. Embodiments of the disclosure are applicable to the communications field.Type: GrantFiled: February 12, 2016Date of Patent: April 2, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaodong Zhang, Jueping Wang, Jianchun Wang, Tao Pu
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Patent number: 10033629Abstract: A switch, a device and a method for constructing an aggregated link are provided. A switch for constructing an aggregated link with multiple peer devices is provided. The switch includes multiple ports supporting different connection protocols, with each port being used for connecting to a peer device. The switch further includes a sub-aggregated link constructing unit used for aggregating one or more ports running the same protocol in the switch into a sub-aggregated link, and a control unit used for forming an aggregated link from all the sub-aggregated links.Type: GrantFiled: May 25, 2016Date of Patent: July 24, 2018Assignee: Lenovo Enterprise Solutions (Singapore) Pte. Ltd.Inventors: Qiaorong Xu, Bo Wang, Tao Pu, Guanghui Chen
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Patent number: 9979093Abstract: Embodiments of the present invention provide an antenna apparatus, a base station and a communications system. The antenna apparatus includes: an antenna part, including a common radome; an active part, connected to the antenna part and including at least one active module, where each active module includes at least one antenna element, and an element reflector and a phase shifter and a radio frequency module that are corresponding to each antenna element, where the element reflector of the at least one active module is configured to implement an antenna function; and a common part, connected to the active part and the antenna part, and shared by the at least one active module in the active part, where the common part includes at least one common module. By using the above antenna apparatus, each radio frequency module can be flexibly configured, so as to simplify onsite replacement and maintenance operations.Type: GrantFiled: June 13, 2014Date of Patent: May 22, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Tao Pu, Pinghua He, Dewen Sun, Weihua Sun
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Patent number: 9860772Abstract: Embodiments of the present invention provide a method and apparatus for determining a connection relationship between an antenna feeding port of a base station and an antenna port. The method includes: receiving, via one antenna port, a signal sent by a base station, and acquiring the signal via a Smart Bias-Tee in an antenna and a port of a remote control unit in the antenna, where the antenna port, the Smart Bias-Tee, and the port of the remote control unit are in a one-to-one correspondence; determining, according to the Smart Bias-Tee and the port of the remote control unit that acquire the signal, the antenna port that receives the signal; and sending, to the base station, identification information of the antenna port that receives the signal, and/or identification information of an antenna corresponding to the antenna port. Then accuracy and convenience in determining the connection relationship can be improved.Type: GrantFiled: July 22, 2015Date of Patent: January 2, 2018Assignee: Huawei Technologies Co., Ltd.Inventors: Honggang Xu, Tao Pu, Xiaodong Zhang, Xiangyang Liu
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Patent number: 9799942Abstract: Embodiments of the present invention provide a multi-band active antenna, including a broadband antenna, a combiner, and an active module, where a concave window is disposed on an enclosure frame of the broadband antenna, and a first port of the broadband antenna is disposed in the window; the combiner is removably connected to the window, and a first port of the combiner is connected to the first port of the broadband antenna; and a mounting kit is disposed on the enclosure frame of the broadband antenna, and the active module is removably connected to the mounting kit and a first port of the active module is connected to a second port of the combiner by a conducting wire.Type: GrantFiled: September 25, 2015Date of Patent: October 24, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Tao Pu, Honggang Xu, Yujiang Wu, Guopei Li
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Patent number: 9762376Abstract: A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal. By using the embodiments of the embodiments of the invention, high order intermodulation interference of a multi-carrier transmitter on a receiver can be effectively canceled, and therefore, difficulty in duplexer design and requirements on a suppression degree are reduced.Type: GrantFiled: July 6, 2016Date of Patent: September 12, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20170187122Abstract: An antenna device includes: an antenna array configured to radiate or receive an electromagnetic wave signal; a feed network configured to connect the antenna array and a signal multiplexer; at least one signal multiplexer configured to divide one path of a signal from the feed network into at least two paths of a signal, or combine at least two paths of a signal to one path of a signal and transmit the one path of a signal to the feed network; and at least two interface modules connected to an active module and configured to receive a signal sent from the passive module or the active module, or send a signal to the active module. The antenna device can be used for sharing the antenna array and other parts in the active antenna systems.Type: ApplicationFiled: March 14, 2017Publication date: June 29, 2017Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Tao PU, Pinghua HE, Mengda MAO
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Patent number: 9627774Abstract: Embodiments of the present application disclose an antenna device and system. The antenna device includes: an antenna array, configured to radiate or receive an electromagnetic wave signal; a feed network, configured to connect the antenna array and a signal multiplexer; at least one signal multiplexer, configured to divide one path of signal from the feed network into at least two paths of signal, or combine at least two paths of signal to one path of signal and transmit the one path of signal to the feed network; and at least two interface modules connected to a passive module or an active module, is configured to receive a signal sent from the passive module or the active module, or send a signal to the passive module or the active module. The present application can be used for sharing the antenna array and other parts in the active and passive antenna systems.Type: GrantFiled: September 18, 2014Date of Patent: April 18, 2017Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Tao Pu, Pinghua He, Mengda Mao
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Patent number: 9544125Abstract: An interference cancellation method and apparatus and also a filter are disclosed to cancel the interfering signals leaked to the receiving channel, and enable the receiving channel to suppress the transmitted signal. The method includes: dividing a transmitted signal into a first transmitted signal and a second transmitted signal, and then inputting the first transmitted signal into a first transmitting filter and inputting the second transmitted signal into a second transmitting filter symmetric to the first transmitting filter; adjusting the first interfering signal and the second interfering signal to make opposite phases of the signals; and combining the signals of opposite phases. The method provided herein can cancel the interfering signals leaked to the receiving channel, the receiving channel suppresses the transmitted signal effectively, and the interference caused by the transmitted signal onto the received signal is cancelled.Type: GrantFiled: July 21, 2014Date of Patent: January 10, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20160380801Abstract: A switch, a device and a method for constructing an aggregated link are provided. A switch for constructing an aggregated link with multiple peer devices is provided. The switch includes multiple ports supporting different connection protocols, with each port being used for connecting to a peer device. The switch further includes a sub-aggregated link constructing unit used for aggregating one or more ports running the same protocol in the switch into a sub-aggregated link, and a control unit used for forming an aggregated link from all the sub-aggregated links.Type: ApplicationFiled: May 25, 2016Publication date: December 29, 2016Inventors: Qiaorong Xu, Bo Wang, Tao Pu, Guanghui Chen
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Publication number: 20160315755Abstract: A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal. By using the embodiments of the embodiments of the invention, high order intermodulation interference of a multi-carrier transmitter on a receiver can be effectively canceled, and therefore, difficulty in duplexer design and requirements on a suppression degree are reduced.Type: ApplicationFiled: July 6, 2016Publication date: October 27, 2016Inventors: Mengda MAO, Siqing YE, Qian YIN, Tao PU
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Publication number: 20160285480Abstract: Embodiments disclose a multi-frequency transceiver and a base station. The multi-frequency transceiver is connected to an antenna, and includes: at least one transmit multiplexer, where each transmit multiplexer includes multiple transmit paths, and each transmit path is used to transmit one frequency band by using the antenna; and at least one receive multiplexer, where each receive multiplexer includes multiple receive paths, and each receive path is used to receive one frequency band by using the antenna.Type: ApplicationFiled: June 13, 2016Publication date: September 29, 2016Inventors: Jinsong Lv, Honggang Xu, Jueping Wang, Tao Pu
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Patent number: 9432173Abstract: A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal. By using the present invention, high order intermodulation interference of a multi-carrier transmitter on a receiver can be effectively canceled, and therefore, difficulty in duplexer design and requirements on a suppression degree are reduced.Type: GrantFiled: July 22, 2014Date of Patent: August 30, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Mengda Mao, Siqing Ye, Qian Yin, Tao Pu
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Publication number: 20160173574Abstract: Embodiments of the disclosure provide a radio access method, apparatus, and system, which can implement mutual transmission and processing of collaborative data between sites on a basis of low-cost deployment and high availability, and improve network performance. In the method, a basic DU is deployed in a site, and the method may include: receiving, by a switching device, a first data packet sent by a first basic DU; determining to send the first data packet to a second basic DU for collaborative processing; and sending the first data packet to the second basic DU, so that the second basic DU performs collaborative processing on the first data packet and a second data packet, where the second data packet and the first data packet are of a same data type. Embodiments of the disclosure are applicable to the communications field.Type: ApplicationFiled: February 12, 2016Publication date: June 16, 2016Inventors: Xiaodong ZHANG, Jueping WANG, Jianchun WANG, Tao PU
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Publication number: 20160164587Abstract: A system for sharing an antenna between multiple operators is provided. The system includes a radio frequency and digital conversion unit and an active antenna. The radio frequency and digital conversion unit is configured to convert a radio frequency signal of each radio frequency module into a digital signal, and send digital signals of a same sector to an active antenna corresponding to the sector. The active antenna is configured to perform at least one of vertical beam forming processing and horizontal beam forming processing on received digital signals according to a signal transmitting parameter that is set for each operator, convert the processed digital signals into radio frequency signals, and then transmit the radio frequency signals from an air interface.Type: ApplicationFiled: February 9, 2016Publication date: June 9, 2016Inventors: Tao Pu, Dayong Wang, Jianhua Zhang, Liqiang Lin, Xiaotao Chang, Jun Pan
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Patent number: 9258050Abstract: Embodiments of the present invention relate to the field of wireless communication technologies, and provide a transceiving module, an antenna, a base station and a signal receiving method, which are capable of implementing receiving of four dual-band signals and improving uplink network performance of a base station. The transceiving module includes a combining-splitting network, a set of transceiving unit arrays and a signal processing unit that are connected to each other in sequence, and further includes a combining network setting with a connection point connected to another transceiving module, a co-element filter unit separately connected to the combining-splitting network and the combining network, and a pair of receiving units connected to the signal processing unit, where the pair of receiving units in the transceiving module is disposed with a connection point connected to the another transceiving module. The embodiments of the present invention apply to the field of communication.Type: GrantFiled: September 30, 2014Date of Patent: February 9, 2016Assignee: Huawei Technologies Co., LTD.Inventors: Dezheng Liu, Tao Pu, Weihua Sun, Zuojun Qin, Pinghua He
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Publication number: 20160020503Abstract: Embodiments of the present invention provide a multi-band active antenna, including a broadband antenna, a combiner, and an active module, where a concave window is disposed on an enclosure frame of the broadband antenna, and a first port of the broadband antenna is disposed in the window; the combiner is removably connected to the window, and a first port of the combiner is connected to the first port of the broadband antenna; and a mounting kit is disposed on the enclosure frame of the broadband antenna, and the active module is removably connected to the mounting kit and a first port of the active module is connected to a second port of the combiner by a conducting wire.Type: ApplicationFiled: September 25, 2015Publication date: January 21, 2016Inventors: Tao Pu, Honggang Xu, Yujiang Wu, Guopei Li
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Publication number: 20150327087Abstract: Embodiments of the present invention provide a method and apparatus for determining a connection relationship between an antenna feeding port of a base station and an antenna port. The method includes: receiving, via one antenna port, a signal sent by a base station, and acquiring the signal via a Smart Bias-Tee in an antenna and a port of a remote control unit in the antenna, where the antenna port, the Smart Bias-Tee, and the port of the remote control unit are in a one-to-one correspondence; determining, according to the Smart Bias-Tee and the port of the remote control unit that acquire the signal, the antenna port that receives the signal; and sending, to the base station, identification information of the antenna port that receives the signal, and/or identification information of an antenna corresponding to the antenna port. Then accuracy and convenience in determining the connection relationship can be improved.Type: ApplicationFiled: July 22, 2015Publication date: November 12, 2015Inventors: Honggang Xu, Tao Pu, Xiaodong Zhang, Xiangyang Liu