Patents by Inventor Yan Meng
Yan Meng 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: 10931412Abstract: Embodiments of the present disclosure provide a method and apparatus of obtaining feedback of HARQ acknowledgment information. The method comprises allocating to UE an uplink control channel resource for report of HARQ acknowledgment information related to downlink data transmission on an unlicensed carrier. The method also comprises obtaining feedback of the HARQ acknowledgment information from the UE within a predefined deferral window. The predefined deferral window specifies a minimum delay and a maximum delay for report of the HARQ acknowledgment information. The embodiments of the present disclosure may increase the reliability and reduce the latency of HARQ acknowledgment information feedback. In addition, the embodiments of the present disclosure may not only be for LAA scenarios, but also may be extended to standalone LAA access scenarios on unlicensed carriers.Type: GrantFiled: March 31, 2017Date of Patent: February 23, 2021Assignee: Alcatel LucentInventors: Jianguo Liu, Tao Tao, Yan Meng, Zhe Luo, Dawei Wang, Junrong Gu, Gang Shen
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Patent number: 10924295Abstract: The present invention relates to a method and an apparatus for occupying an unlicensed band channel, thereby avoiding misjudgment of an occupied unlicensed band state. A method for occupying an unlicensed band channel includes: a user equipment receiving a power increase rate of a reference signal transmission unit of an unlicensed band channel determined by a secondary cell (Scell) base station; the user equipment receiving, in the unlicensed band channel, a sub-frame of reference signal transmission unit level power distribution sent by the Scell base station; the user equipment decoding the power increase rate; and the user equipment using the power increase rate to process the sub-frame.Type: GrantFiled: April 1, 2016Date of Patent: February 16, 2021Assignee: ALCATEL LUCENTInventors: Junrong Gu, Feng Han, Jianguo Liu, Yan Meng, Jun Wang, Zhuo Wu, Gang Shen, Tao Tao
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Publication number: 20200100893Abstract: The present invention relates to a kit for preparing a customizable flesh simulating silicone gel or a flesh simulating silicone foam in particular for use in medical devices and a process for preparing said customizable flesh simulating silicone gel or silicone foam, in particular by using a 3D-printer.Type: ApplicationFiled: September 30, 2019Publication date: April 2, 2020Inventors: Matthew KIHARA, Francois MARTIN, Matthew RYAN, Yan MENG, Leeanne BROWN
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Patent number: 10477579Abstract: Embodiments of the present disclosure relates to a communication device working on unlicensed frequency band and a method for executing the same. The method comprises: determining a mapping relationship between multiple quality of service (QoS) priority classes and multiple Listen-Before-Talk (LBT) priority classes, wherein the multiple QoS priority classes are in one-to-one correspondence with multiple QoS requirements; and transmitting radio traffic based on the mapping relationship. Embodiments of the present disclosure proposes the mapping relationship between LBT priority class and various QoS priority classes associated with different radio traffic types and presents signaling design and exchange related to the mapping relationship.Type: GrantFiled: September 8, 2016Date of Patent: November 12, 2019Assignee: Alcatel LucentInventors: Feng Han, Jianguo Liu, Tao Tao, Yan Meng, Junrong Gu
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Patent number: 10470213Abstract: The present invention relates to a method and an apparatus for implementing Listen-Before-Talk. According to an embodiment of the present invention, if the channel assessment does not stop at a boundary of the first symbol, the preamble comprises at least a first part, and if the channel assessment stops at the boundary of the first symbol, the preamble comprises a second part. And the first part is transmitted on a remaining portion of the first symbol until the end of the first symbol, and the second part is transmitted on at least one symbol following the first symbol. Besides, the data is transmitted to the receiving device in at least one symbol in the subframe in which the preamble transmission ends.Type: GrantFiled: November 3, 2015Date of Patent: November 5, 2019Assignee: Alcatel-LucentInventors: Jianguo Liu, Feng Han, Yan Meng, Gang Shen, Sigen Ye, Jun Wang, Matthew Baker
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Publication number: 20190159243Abstract: The disclosure provides a method for assisting a UE to implement a UL channel access in a base station of an eLAA-based communication system. The method comprises determining a listen-before-talk (LBT) priority for the UE; and transmitting a first signaling indicating the determined LBT priority to the UE. An enhanced UL channel access mechanism is proposed by the disclosure. In this mechanism, the eNB can provide some assistance to facilitate UL access. Chances of multiple user multiplexing and spectrum efficiency in LAA UL can be improved by this solution.Type: ApplicationFiled: March 30, 2017Publication date: May 23, 2019Applicant: Alcatel LucentInventors: Tao Tao, Jianguo Liu, Yan Meng, Junrong Gu, Dawei Wang, Zhe Luo, Gang Shen
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Publication number: 20190123861Abstract: Embodiments of the present disclosure provide a method and apparatus of obtaining feedback of HARQ acknowledgment information. The method comprises allocating to UE an uplink control channel resource for report of HARQ acknowledgment information related to downlink data transmission on an unlicensed carrier. The method also comprises obtaining feedback of the HARQ acknowledgment information from the UE within a predefined deferral window. The predefined deferral window specifies a minimum delay and a maximum delay for report of the HARQ acknowledgment information. The embodiments of the present disclosure may increase the reliability and reduce the latency of HARQ acknowledgment information feedback. In addition, the embodiments of the present disclosure may not only be for LAA scenarios, but also may be extended to standalone LAA access scenarios on unlicensed carriers.Type: ApplicationFiled: March 31, 2017Publication date: April 25, 2019Applicant: Alcatel LucentInventors: Jianguo Liu, Tao Tao, Yan Meng, Zhe Luo, Dawei Wang, Junrong Gu, Gang Shen
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Patent number: 10254521Abstract: There is provided a luminaire (1) and a collimating optics (2) for LED lights (5). The collimating optics (2) comprises a reflection collimator (3) having a first aperture (7) for allowing incoming light from a LED light (5) to enter the collimator (3) and a second aperture (9) for allowing outgoing light to exit the collimator (3). The reflection collimator (3) further has a wall (15) with a reflective inner surface for guiding the incoming light from the first aperture (7) towards the second aperture (9). A first convex lens (11) is arranged at a distance from the first aperture (7) for refracting the incoming light, and a second convex lens (13) is arranged at the second aperture (9) for refracting and collimating the outgoing light. With the disclosed collimating optics the collimating capability is improved without the size of the optics being increased.Type: GrantFiled: December 4, 2012Date of Patent: April 9, 2019Assignee: SIGNIFY HOLDING B.V.Inventors: Li Wei Sun, Yun Li, Yan Meng Sun, Li Cheng
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Publication number: 20190059104Abstract: Embodiments of the present disclosure disclose a method and apparatus for determining a channel sensing threshold in uplink channel detection of licensed-assisted access. The method comprises determining one or more parameters associated with the user equipment; and determining a channel sensing threshold for the user equipment based on at least one of the one or more parameters. The threshold determination method may realize suitable threshold determination, flexible channel access, and balance of channel access opportunity among a plurality of radio access points.Type: ApplicationFiled: January 30, 2017Publication date: February 21, 2019Applicant: Alcatel LucentInventors: Junrong Gu, Jianguo Liu, Tao Tao, Yan Meng, Sigen Ye, Gang Shen
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Publication number: 20190045535Abstract: Embodiments of the present disclosure provide a method and apparatus for transmitting uplink grant, the method comprising: transmitting the uplink grant by selecting a downlink subframe from a plurality of candidate downlink subframes each of the plurality of downlink subframes enabling scheduling of at least one user equipment to start transmitting burst data in a uplink subframe.Type: ApplicationFiled: January 24, 2017Publication date: February 7, 2019Applicant: Alcatel LucentInventors: Jianguo Liu, Tao Tao, Yan Meng, Sigen Ye, Junrong Gu, Gang Shen
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Publication number: 20180279367Abstract: Embodiments of the present disclosure relates to a communication device working on unlicensed frequency band and a method for executing the same. The method comprises: determining a mapping relationship between multiple quality of service (QoS) priority classes and multiple Listen-Before-Talk (LBT) priority classes, wherein the multiple QoS priority classes are in one-to-one correspondence with multiple QoS requirements; and transmitting radio traffic based on the mapping relationship. Embodiments of the present disclosure proposes the mapping relationship between LBT priority class and various QoS priority classes associated with different radio traffic types and presents signaling design and exchange related to the mapping relationship.Type: ApplicationFiled: September 8, 2016Publication date: September 27, 2018Applicant: Alcatel LucentInventors: Feng Han, Jianguo Liu, Tao Tao, Yan Meng, Junrong Gu
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Publication number: 20180279386Abstract: Embodiments of the present disclosure relate to a method and apparatus for listening before talk (LBT). A method of LBT is provided. The method comprises: determining an access priority class based on a plurality of types of traffic to be transmitted on a plurality of carriers; determining a LBT parameter based on the determined access priority class; and performing the LBT using the LBT parameter.Type: ApplicationFiled: August 25, 2016Publication date: September 27, 2018Applicant: Alcatel LucentInventors: Jianguo Liu, Tao Tao, Yan Meng, Feng Han, Junrong Gu, Gang Shen
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Publication number: 20180279370Abstract: The present disclosure provides a method of supporting multiple Qo S in a Listen-Before-Talk operation. According to an embodiment of the present disclosure, the method comprises: configuring m Listen-Before-Talk priority classes, which are defined by m different parameter sets respectively; determining Listen-Before-Talk priority classes for respective traffic in a transmission burst; and selecting one of the determined Listen-Before-Talk priority classes as a Listen-Before-Talk priority class for access. Through the present disclosure, the coexistence between LTE LAA and WiFi can be realized in respect of the Qo S priority, and the scheduling flexibility of LAA is still retained.Type: ApplicationFiled: September 5, 2016Publication date: September 27, 2018Applicant: Alcatel LucentInventors: Tao Tao, Jianguo Liu, Feng Han, Yan Meng, Junrong Gu, Gang Shen
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Publication number: 20180242363Abstract: Embodiments of the present disclosure relate to a method and a transmitter of implementing multiple-carrier Listen-Before-Talk in a wireless communication system. The method comprises: selecting a carrier group from a plurality of carriers as a synchronization carrier; determining a transmission synchronization boundary based on an extended CCA performed on the synchronization carrier; performing an initial CCA for the plurality of carriers; and determining that transmission is to be performed on at least one of the plurality of carriers based on at least one of the result of the extended CCA and the result of the initial CCA. The embodiments according to the present disclosure require only performing eCCA on the carrier group selected as the synchronization carrier. Compared with Wi-Fi, the LTE system can compete with Wi-Fi more fairly, and compared with the traditional solution it is more possible to obtain some carriers in the unlicensed spectrum.Type: ApplicationFiled: July 26, 2016Publication date: August 23, 2018Applicant: Alcatel LucentInventors: Jianguo Liu, Yan Meng, Tao Tao, Gang Shen, Junrong Gu, Feng Han, Sigen Ye
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Publication number: 20180152969Abstract: The present invention provides a method of triggering a LBT random backoff mechanism in LTE LAA, the method comprising: evaluating a current channel to obtain a first parameter characterizing a congestion state of the current channel; comparing the first parameter with a first threshold to obtain a first comparison result; and adapting a contention window size based on the first comparison result. The method further comprises comparing the first parameter with a second threshold to obtain a second comparison result; and adapting the contention window size based on the second comparison result. The first parameter is a packet error rate metric or a collision metric.Type: ApplicationFiled: May 12, 2016Publication date: May 31, 2018Applicant: ALCATEL LUCENTInventors: Tao Tao, Jianguo Liu, Feng Han, Yan Meng, Sigen Ye, Junrong Gu, Dandan Wang, Gang Shen
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Publication number: 20180092050Abstract: The present invention relates to a method and an apparatus for occupying an unlicensed band channel, thereby avoiding misjudgment of an occupied unlicensed band state. A method for occupying an unlicensed band channel includes: a user equipment receiving a power increase rate of a reference signal transmission unit of an unlicensed band channel determined by a secondary cell (Scell) base station; the user equipment receiving, in the unlicensed band channel, a sub-frame of reference signal transmission unit level power distribution sent by the Scell base station; the user equipment decoding the power increase rate; and the user equipment using the power increase rate to process the sub-frame.Type: ApplicationFiled: April 1, 2016Publication date: March 29, 2018Applicant: Alcatel LucentInventors: Junrong Gu, Feng Han, Jianguo Liu, Yan Meng, Jun Wang, Zhuo Wu, Gang Shen, Tao Tao
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Publication number: 20170325263Abstract: The present invention relates to a method and an apparatus for implementing Listen-Before-Talk. According to an embodiment of the present invention, if the channel assessment does not stop at a boundary of the first symbol, the preamble comprises at least a first part, and if the channel assessment stops at the boundary of the first symbol, the preamble comprises a second part. And the first part is transmitted on a remaining portion of the first symbol until the end of the first symbol, and the second part is transmitted on at least one symbol following the first symbol. Besides, the data is transmitted to the receiving device in at least one symbol in the subframe in which the preamble transmission ends.Type: ApplicationFiled: November 3, 2015Publication date: November 9, 2017Applicant: Alcatel LucentInventors: Jianguo LIU, Feng HAN, Yan MENG, Gang SHEN, Sigen YE, Jun WANG, Matthew BAKER
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Publication number: 20160295621Abstract: The prior art does not prescribe how to divide a control plane among network elements in a D2D communication under cellular architecture. To fill the technological gap, the present invention provides a method of performing the D2D communication and a corresponding control method, wherein a protocol signaling and protocol stack function of a media access (MAC) layer are implemented in a UE performing the D2D communication, and a control function is implemented by a master UE without introducing the base station, thereby reducing complexity of the base station and avoiding delay caused by the control of the base station; and wherein a protocol signaling and protocol stack function of a radio resource management (RRC) layer are implemented in the base station and the UE, and the control function is implemented by the base station and the base station performs mobility management.Type: ApplicationFiled: October 28, 2013Publication date: October 6, 2016Applicant: ALCATEL LUCENTInventors: Feng Han, Wu Zheng, Kaibin Zhang, Yan Meng, Zheng Liu
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Publication number: 20150163772Abstract: The invention provides a method and an apparatus, of compressing a multi-carrier modulation signal in frequency domain. By setting a modulation mode indicator, the preferable technical scheme could be changed dynamically according to the modulation mode, so as to select the corresponding bits for the different modulation mode. Moreover, according the preferable technical scheme of the present invention, the signal of the data channel in the resource element after extracting the second scale factor is represented by the bits which are occupied by a pair of I/Q signal. Thus, more bits are saved and compression ratio is enhanced.Type: ApplicationFiled: June 17, 2013Publication date: June 11, 2015Applicant: Alcatel LucentInventors: Wei Ni, Zhaojun Xu, Yanbo Tang, Xiaobing Leng, Gang Shen, Yan Meng
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Publication number: 20150158397Abstract: A system includes one or more processors configured to receive a route and receive power-usage-affecting variables. The processor(s) are further configured to break the route into a number of segments. For each segment, the processors are configured to lookup a predetermined power usage estimate, based on the received variables. Also, the processors are configured to present total estimated power usage over the route based on accumulated power usage estimates for each segment.Type: ApplicationFiled: December 5, 2013Publication date: June 11, 2015Applicant: Ford Global Technologies, LLCInventors: Ciro Angel Soto, Sujith Rapolu, Oleg Yurievitch Gusikhin, Perry Robinson MacNeille, David Richens Brigham, Poyu Tsou, Mark John Jennings, Yan Meng