Patents by Inventor Honglin Hu
Honglin Hu 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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Patent number: 10264603Abstract: A coordination method between access points using unlicensed frequency bands and a network control node using this method are disclosed. The method includes: the first access points adjusting transmission parameters thereof to increase channel access probability of the first access points; and the second access points adjusting transmission parameters thereof to decrease the channel access probability of the second access points; wherein the degree to which channel access probability of the third access points is decreased due to adjustment of the transmission parameters of all the first access points is equivalent to the degree to which the channel access probability is increased due to adjustment of the transmission parameters of all the second access points. Through coordination between multiple access points in the same network, fair coexistence with other networks using unlicensed frequency bands can be ensured while user QoS is improved.Type: GrantFiled: December 2, 2016Date of Patent: April 16, 2019Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Meng-Ying Zhang, Yang Li, Ting Zhou, Yang Yang, Honglin Hu, Haifeng Wang
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Patent number: 10225773Abstract: The present invention discloses a cellular-network-assisted wireless local area network (WLAN) channel switch announcement method, including the following steps: before a wireless network access point (AP) performs channel switching, delivering channel switch announcement signaling to correlated user equipment in a broadcast manner, and sending channel switch announcement request signaling to a cellular network base station that also serves the user equipment; after the cellular network base station receives the channel switch announcement request signaling, sending the channel switch announcement signaling to user equipment in an idle mode by using a cellular link air interface; and performing, by the WLAN AP, channel switching within a predetermined time, and following, by user equipment that directly acquires channel switch information by receiving the channel switch announcement signaling and user equipment that acquires channel switch information by using the cellular network base station, the WLAN AP anType: GrantFiled: December 28, 2015Date of Patent: March 5, 2019Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Cheng Zhao, Yuanping Zhu, Yang Yang, Honglin Hu, Haifeng Wang, Hua Qian
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Patent number: 10172149Abstract: The present invention discloses an uplink resource scheduling method, and also discloses a corresponding terminal and base station. In the method, a base station calculates an uplink resource required to grant to a terminal by a base station according to a split bearer data ratio, and then performs uplink resource grant.Type: GrantFiled: May 26, 2016Date of Patent: January 1, 2019Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Yu Zeng, Yuanping Zhu, Ting Zhou, Yang Yang, Honglin Hu, Haifeng Wang
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Patent number: 10171267Abstract: An uplink pilot sequence allocation method in a massive MIMO system is disclosed, the system including the master base station in the master cell and a neighboring base station in a neighboring cell, including: the neighboring base station comparing a primary eigen-space between a user group of the neighboring cell and the neighboring base station, with an interference eigen-space between a user group of the master cell close to the neighboring base station and the neighboring base station, and determining whether the user group of the neighboring cell can reuse uplink pilot sequence resources used by the user group of the master cell. In a manner of increasing information exchange, intercell cooperative uplink pilot sequence allocation is achieved, and uplink pilot contamination in a multi-cell massive MIMO system is reduced effectively.Type: GrantFiled: December 13, 2016Date of Patent: January 1, 2019Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Huiyue Yi, Jing Xu, Yang Yang, Honglin Hu
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Patent number: 10153828Abstract: The present invention provides a system and method for avoiding mobile relay interference to a primary system on an authorized frequency spectrum.Type: GrantFiled: June 25, 2014Date of Patent: December 11, 2018Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Huiyue Yi, Rui Wang, Honglin Hu, Haitao Li, Kodo Shu
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Patent number: 10142986Abstract: The present invention discloses an uplink resource sharing method, base station and terminal, wherein, the uplink resource sharing method comprises: performing the LBT on a granted subframe, allocated to a terminal by a base station, by the terminal; transmitting data if the LBT is finished on the granted subframe; and performing the LBT on another subframe if the LBT is not finished on the granted subframe. The present invention solves the problem of resource waste caused by the fact that the terminal cannot finish LBT in a frame allocated to the frame by a base station, and reduces a probability of increase of an uplink grant number caused by failing of uplink scheduling.Type: GrantFiled: May 27, 2016Date of Patent: November 27, 2018Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Han Yu, Rui Wang, Yameng Li, Yang Yang, Honglin Hu, Haifeng Wang
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Patent number: 10064137Abstract: A hybrid monitoring-sleeping method of wireless sensor and the wireless sensor are provided by the present invention, during N (N=N1+N2) monitoring-sleeping period, the wireless sensor monitors with the first monitoring duration, the wake-up data packet transmitted by the data acquisitor or the mobile terminal in the N1 monitoring-sleeping periods, and the wireless sensor monitors with the second monitoring duration, the wake-up data packet transmitted by the mobile terminal in the remaining N2 monitoring-sleeping periods. The first monitoring duration is longer than the second monitoring duration, N1 is less than or equal to N2, and the N1 first monitoring duration and the N2 second monitoring duration are alternatively distributed. Compared with the single monitoring duration used in the prior art, the total monitoring duration of the N monitoring-sleeping periods is reduced, as a result, the monitoring power consumption of the wireless sensor is also reduced.Type: GrantFiled: December 16, 2016Date of Patent: August 28, 2018Assignee: SHANGHAI RESEARCH CENTER FOR WIRELESS COMMUNICATIONSInventors: Wei Cao, Yu Zhang, Hua Qian, Yang Yang, Honglin Hu
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Publication number: 20180132149Abstract: The present invention discloses a cellular-network-assisted wireless local area network (WLAN) channel switch announcement method, including the following steps: before a wireless network access point (AP) performs channel switching, delivering channel switch announcement signaling to correlated user equipment in a broadcast manner, and sending channel switch announcement request signaling to a cellular network base station that also serves the user equipment; after the cellular network base station receives the channel switch announcement request signaling, sending the channel switch announcement signaling to user equipment in an idle mode by using a cellular link air interface; and performing, by the WLAN AP, channel switching within a predetermined time, and following, by user equipment that directly acquires channel switch information by receiving the channel switch announcement signaling and user equipment that acquires channel switch information by using the cellular network base station, the WLAN AP anType: ApplicationFiled: December 28, 2015Publication date: May 10, 2018Inventors: Cheng ZHAO, Yuanping ZHU, Yang YANG, Honglin HU, Haifeng WANG, Hua QIAN
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Patent number: 9893850Abstract: The present invention provides an authorized shared access (ASA) assisted interference coordination method in a heterogeneous time-division duplexing (TDD) relay network. In a TDD relay system architecture, an ASA controller assists a secondary system to perform an interference coordination mechanism by adjusting a time slot structure configuration and synchronization information, and a mobility management entity (MME) obtains a time slot configuration and the synchronization information of a primary system through ASA, and selects, according to relevant information of a relay node inside a management range, an optimal time slot configuration and a working mode for the relay node.Type: GrantFiled: April 18, 2014Date of Patent: February 13, 2018Assignee: Shanghai Research Center for Wireless CommunicationsInventors: Yuling Ouyang, Honglin Hu, Haitao Li, Kodo Shu
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Patent number: 9825675Abstract: Embodiments of the disclosure provide methods and apparatuses for managing a COMP set in a communication system employing an ASA scheme. According to the method, change information about an affected cell is received, wherein the change information uses an ASA frequency band and overlaps with a protected area of a primary system authorized with the ASA frequency band. The change information is then sent to a serving node coordinating transmission within constituent cells of a CoMP set, to indicate a change of the CoMP set, wherein the affected cell is one of the constituent cells of the CoMP set.Type: GrantFiled: July 4, 2013Date of Patent: November 21, 2017Assignee: Nokia Technologies OyInventors: Haitao Li, Kodo Shu, Huawen Bu, Zhi Yuan, Honglin Hu, Huiyue Yi
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Patent number: 9813926Abstract: Provided are methods, corresponding apparatuses, and computer program products for performing out-of-band sensing on an unlicensed frequency band. A method comprises sending a configuration message for configuring measurement on at least one channel in a frequency band of a primary system; receiving a measurement report made based upon the configuration message; and determining the usability of the at least one channel based upon the measurement report, wherein the configuration message includes information regarding a respective predetermined threshold of energy detection or primary-system-feature detection, and the measurement report is for reception when a measured energy detection value or a measured primary-system-feature detection value of a received signal on the at least one channel is less than the respective predetermined threshold. With the claimed inventions, the spectrum efficiency would be improved and interference between a secondary system and an LTE system could be alleviated.Type: GrantFiled: March 26, 2012Date of Patent: November 7, 2017Assignee: Nokia Technologies OyInventors: Haitao Li, Haipeng Lei, Kodo Shu, Rui Wang, Honglin Hu, Huiyue Yi, Xiumei Yang
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Publication number: 20170230968Abstract: The present invention discloses an uplink resource sharing method, base station and terminal, wherein, the uplink resource sharing method comprises: performing the LBT on a granted subframe, allocated to a terminal by a base station, by the terminal; transmitting data if the LBT is finished on the granted subframe; and performing the LBT on another subframe if the LBT is not finished on the granted subframe. The present invention solves the problem of resource waste caused by the fact that the terminal cannot finish LBT in a frame allocated to the frame by a base station, and reduces a probability of increase of an uplink grant number caused by failing of uplink scheduling.Type: ApplicationFiled: May 27, 2016Publication date: August 10, 2017Inventors: Han YU, Rui WANG, Yameng LI, Yang YANG, Honglin HU, Haifeng WANG
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Publication number: 20170196018Abstract: The present invention discloses an uplink resource scheduling method, and also discloses a corresponding terminal and base station. In the method, a base station calculates an uplink resource required to grant to a terminal by a base station according to a split bearer data ratio, and then performs uplink resource grant.Type: ApplicationFiled: May 26, 2016Publication date: July 6, 2017Inventors: Yu ZENG, Yuanping ZHU, Ting ZHOU, Yang YANG, Honglin HU, Haifeng WANG
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Publication number: 20170195140Abstract: An uplink pilot sequence allocation method in a massive MIMO system is disclosed, the system including the master base station in the master cell and a neighboring base station in a neighboring cell, including: the neighboring base station comparing a primary eigen-space between a user group of the neighboring cell and the neighboring base station, with an interference eigen-space between a user group of the master cell close to the neighboring base station and the neighboring base station, and determining whether the user group of the neighboring cell can reuse uplink pilot sequence resources used by the user group of the master cell. In a manner of increasing information exchange, intercell cooperative uplink pilot sequence allocation is achieved, and uplink pilot contamination in a multi-cell massive MIMO system is reduced effectively.Type: ApplicationFiled: December 13, 2016Publication date: July 6, 2017Inventors: Huiyue YI, Jing XU, Yang YANG, Honglin HU
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Publication number: 20170181091Abstract: A hybrid monitoring-sleeping method of wireless sensor and the wireless sensor are provided by the present invention, during N (N=N1+N2) monitoring-sleeping period, the wireless sensor monitors with the first monitoring duration, the wake-up data packet transmitted by the data acquisitor or the mobile terminal in the N1 monitoring-sleeping periods, and the wireless sensor monitors with the second monitoring duration, the wake-up data packet transmitted by the mobile terminal in the remaining N2 monitoring-sleeping periods. The first monitoring duration is longer than the second monitoring duration, N1 is less than or equal to N2, and the N1 first monitoring duration and the N2 second monitoring duration are alternatively distributed. Compared with the single monitoring duration used in the prior art, the total monitoring duration of the N monitoring-sleeping periods is reduced, as a result, the monitoring power consumption of the wireless sensor is also reduced.Type: ApplicationFiled: December 16, 2016Publication date: June 22, 2017Inventors: WEI CAO, YU ZHANG, HUA QIAN, YANG YANG, HONGLIN HU
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Publication number: 20170164402Abstract: A coordination method between access points using unlicensed frequency bands and a network control node using this method are disclosed. The method includes: the first access points adjusting transmission parameters thereof to increase channel access probability of the first access points; and the second access points adjusting transmission parameters thereof to decrease the channel access probability of the second access points; wherein the degree to which channel access probability of the third access points is decreased due to adjustment of the transmission parameters of all the first access points is equivalent to the degree to which the channel access probability is increased due to adjustment of the transmission parameters of all the second access points. Through coordination between multiple access points in the same network, fair coexistence with other networks using unlicensed frequency bands can be ensured while user QoS is improved.Type: ApplicationFiled: December 2, 2016Publication date: June 8, 2017Inventors: MENG-YING ZHANG, YANG LI, TING ZHOU, YANG YANG, HONGLIN HU, HAIFENG WANG
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Patent number: 9515780Abstract: A method includes, in response to a determination one or more quiet periods conflict with specified hybrid automatic repeat request feedback timing, sending one or more indicators to one or more user equipment to indicate to the user equipment to shift the specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request feedback timing. The method includes communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request feedback timing. Another method includes receiving at a user equipment one or more indicators indicating to the user equipment to shift specified hybrid automatic repeat request feedback timing to a shifted hybrid automatic repeat request timing, and communicating hybrid automatic repeat request feedback based on the shifted hybrid automatic repeat request timing. Apparatus, computer program product, and computer programs are also disclosed.Type: GrantFiled: December 23, 2011Date of Patent: December 6, 2016Assignee: Nokia Technologies OyInventors: Kodo Shu, Haipeng Lei, Haitao Li, Honglin Hu, Rui Wang, Huiyue Yi
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Publication number: 20160226562Abstract: Embodiments of the disclosure provide methods and apparatuses for managing a COMP set in a communication system employing an ASA scheme. According to the method, change information about an affected cell is received, wherein the change information uses an ASA frequency band and overlaps with a protected area of a primary system authorized with the ASA frequency band. The change information is then sent to a serving node coordinating transmission within constituent cells of a CoMP set, to indicate a change of the CoMP set, wherein the affected cell is one of the constituent cells of the CoMP set.Type: ApplicationFiled: July 4, 2013Publication date: August 4, 2016Inventors: Haitao Li, Kodo Shu, Huawen BU, Zhi Yuan, Honglin Hu, Huiyue Yi
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Patent number: 9380491Abstract: There is provided an interference mitigation or frequency channel collision mitigation scheme usable for a short range communication network where a network element of a cellular network is used as a coordinator or controller for the collision mitigation. Communication information regarding a communication in the short range communication network and concerning a frequency selection for a communication are processed so as to determine collision mitigation data for reducing interference in the communication in the short range communication network. The collision mitigation data regarding the communication in the short range communication network are sent to a communication network element such as a UE acting as a master node of the short range communication network.Type: GrantFiled: May 10, 2011Date of Patent: June 28, 2016Assignee: BROADCOM CORPORATIONInventors: Zhenhong Li, Haifeng Wang, Ying Hu, Jian Zhang, Honglin Hu
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Publication number: 20160182139Abstract: The present invention provides a system and method for avoiding mobile relay interference to a primary system on an authorized frequency spectrum.Type: ApplicationFiled: June 25, 2014Publication date: June 23, 2016Applicant: Shanghai Research Center for Wireless CommunicationsInventors: Huiyue YI, Rui WANG, Honglin HU, Haitao LI, Kodo SHU