Patents Examined by Nguyen Ngo
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Patent number: 9578540Abstract: Technology for wireless transmission of messages to remote receiving devices is disclosed. The technology includes receiving a message for transmission, determining transmission parameters for transmission of the message, and transmitting the message to a remote receiving device according to the determined transmission parameters. The technology may also include encoding the message to effect message latency and may be employed for message transmission via the ionosphere or other atmospheric layer at frequencies in the Medium Frequency (MF), High Frequency (HF), or Very High Frequency (VHF) spectrum. Further, the disclosed technology may be employed for message transmission to effect low latency financial transaction execution, such as high speed high frequency trading.Type: GrantFiled: March 20, 2015Date of Patent: February 21, 2017Assignee: SpectraNet, Inc.Inventor: Jeffrey C. Adams
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Patent number: 9578554Abstract: Certain aspects of the present disclosure relate to techniques for improving a circuit-switched fallback (CSFB) user experience. In aspects, methods and systems for autonomously returning a user equipment (UE) from a 2G (2nd generation)/3G (3rd generation) network to an LTE (Long Term Evolution) network are provided. The UE may store a flag to note whether a current circuit switched (CS) call in the 2G/3G network is a result of a CSFB. The UE, in response to detecting a termination of the current CS call in the 2G/3G network and determining that the terminated call was a CSFB call (e.g., from the status of the flag), may trigger a mobility mechanism to autonomously return the UE to the LTE network.Type: GrantFiled: September 14, 2012Date of Patent: February 21, 2017Assignee: QUALCOMM INCORPORATEDInventors: Bhupesh Manoharlal Umatt, Krishna Rao Mandadapu, Srinivasa Prasad Vangaru, Sathish Krishnamoorthy, Supratik Bhattacharjee, Joe Thomas, Thomas Klingenbrunn, Shyamal Ramachandran
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Patent number: 9578515Abstract: Techniques are provided for frequency spectrum sharing that allows secondary operators to access a frequency band of a primary operator without interfering with the primary operator's use of the band, while ensuring service continuity for devices of the secondary operators. For example, there is provided a method that may involve identifying an outage on a first channel of a plurality of channels of a spectrum, wherein each of the plurality of channels is allocated to one of a plurality of operators. The method may involve migrating all mobile stations in communication over the first channel of the plurality of channels to at least one other channel of the plurality of channels during the outage.Type: GrantFiled: May 10, 2012Date of Patent: February 21, 2017Assignee: QUALCOMM IncorporatedInventors: Peter Gaal, Alan Barbieri, Rajat Prakash, Yi Huang
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Patent number: 9554359Abstract: Apparatus and methods for dynamically adjusting radio frequency circuitry in a wireless communication device are disclosed. The wireless communication device can receive downlink communication using carrier aggregation through a primary component carrier and a secondary component carrier. When carrier aggregation is not enabled, the wireless communication device adjusts the radio frequency circuitry based on default values. When carrier aggregation is enabled, the wireless communication device evaluates radio frequency conditions for the primary and secondary component carriers and adjusts the radio frequency circuitry based on whether uplink and/or downlink communication is power constrained.Type: GrantFiled: February 7, 2014Date of Patent: January 24, 2017Assignee: Apple Inc.Inventors: Tarik Tabet, Navid Damji, Ming Hu, Christian W. Mucke, Vinay R. Majjigi, Syed A. Mujtaba, Johnson O. Sebeni
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Patent number: 9553750Abstract: Provided is a transmitter which improves the flexibility of SRS resource allocation without increasing the amount of signaling for notifying the cyclic shift amount. In the transmitter, with regard to each basic shift amount candidate group having a basic shift amount from 0 to N?1, a transmission control unit (206) specifies the actual shift amount imparted to a cyclic shift sequence used in scrambling a reference signal transmitted from each antenna port, said specification being performed based on a table in which cyclic shift amount candidates correspond to each antenna port, and based on setting information transmitted from a base station (100). With regard to basic shift amount candidates for shift amount X, the table differentiates between an offset pattern comprising offset values for cyclic shift amount candidates corresponding to each antenna port and an offset pattern corresponding to basic shift amount candidates of X+N/2.Type: GrantFiled: June 22, 2015Date of Patent: January 24, 2017Assignee: Sun Patent TrustInventors: Yoshihiko Ogawa, Akihiko Nishio, Masayuki Hoshino, Takashi Iwai
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Patent number: 9554254Abstract: A communication apparatus forms a new network for executing a first communication service according to a partner apparatus for the first communication service in a case where the communication apparatus starts the first communication service while the communication apparatus and a partner apparatus for a second communication service are executing the second communication service.Type: GrantFiled: January 24, 2014Date of Patent: January 24, 2017Assignee: Canon Kabushiki KaishaInventor: Takafumi Nakajima
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Patent number: 9544808Abstract: A communication device and method for offloading communications from a first communication network to a second communication network. The offloading decision can be based on one or more parameters defined in a communication framework. The communication framework can be, for example, Access Network Discovery and Selection Function (ANDSF) framework. The offloading of communication can be from a Long-term Evolution (LTE) network to a Wi-Fi network, or vice-versa. The communication framework can include, for example, positional, movement, signal quality, connection duration, a data rate, and/or quality of service (QoS) parameters.Type: GrantFiled: January 7, 2014Date of Patent: January 10, 2017Assignee: Broadcom CorporationInventors: Dutt Kalapatapu, Kamesh Medapalli, Ahmad Rahmati
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Patent number: 9538406Abstract: The present disclosure provides a method for using a terminal to detect a small-scale cell at the edge of coverage of the small-scale cell in a wireless communication system in which a macrocell and the small-scale cell coexist. The present invention may include: a step of measuring a macrocell; a step of comparing a value related to the reference signal received quality (RSRQ) acquired according to the macrocell measurement with at least one critical value; a step of determining whether or not to carry out at least one interference removal function for receiving a signal from a small-scale cell in accordance with the determined results; and a step of detecting the signal from the small-scale cell when the interference removal function is actuated.Type: GrantFiled: June 27, 2013Date of Patent: January 3, 2017Assignee: LG ELECTRONICS INC.Inventors: Yoonoh Yang, Jinyup Hwang, Manyoung Jung, Sangwook Lee, Suhwan Lim
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Patent number: 9521071Abstract: In a network control system, a method for managing traffic flow in a distributed controller environment includes stamping a packet to be forwarded between data forwarding units with flow control information based on an action set associated with a flow entry pushed by a logical controller. The packet is stamped by one or more of the data forwarding units. The flow control information is used to forward the packet between data forwarding units, thereby defining a datapath packet flow.Type: GrantFiled: March 22, 2015Date of Patent: December 13, 2016Assignee: FREESCALE SEMICONDUCTOR, INC.Inventors: Rajesh Kumar Madabushi, Srinivasa R. Addepalli
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Patent number: 9496996Abstract: A communications system comprises a transmitter, receiver and channel. The transmitter transmits multiple copies of each data bit in a multi-dimension modulation scheme matrix, the dimensions being selected from frequency, time and code. Each dimension is divided into sub-groups. A bit-loading method is used such that copies of each data bit (b11, b12, b13) are allocated within the matrix according to a predetermined arrangement so that within each dimension copies of the same data bit reside within different sub-groups.Type: GrantFiled: June 15, 2012Date of Patent: November 15, 2016Assignee: XSILON LTDInventors: Christopher David Hilton, Mehul Mehta, Michael Paul Baker
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Patent number: 9491794Abstract: The present invention discloses a method for quickly establishing a trunking service. The method includes: receiving, by a base station device, indication information that a user equipment has entered a trunking service mode, where the indication information is sent by an evolved packet core network device; responding to the indication information, and creating a radio resource control connection with the user equipment; responding to the indication information, and generating radio resource connection configuration information including a discontinuous reception cycle; sending the radio resource connection configuration information to the user equipment, so that the user equipment configures the discontinuous reception cycle as a discontinuous reception cycle of the user equipment itself; and when the user equipment is in the trunking service mode, retaining the radio resource control connection with the user equipment according to the radio resource connection configuration information.Type: GrantFiled: March 17, 2015Date of Patent: November 8, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Lixue Zhang, Xin Xiong, Weihua Liu
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Patent number: 9491594Abstract: The present document provides a method for managing a terminal group, including: a home subscriber information unit sending group information of a terminal group to a machine type communication interworking function (MTC IWF), and the MTC IWF storing the group information; after receiving request message of the terminal group sent by a server, the MTC IWF executing a terminal group process relevant to the request according to the group information. The present document further provides a system for managing a terminal group. The present document can realize managing a terminal group through an MTC IWF.Type: GrantFiled: February 23, 2012Date of Patent: November 8, 2016Assignee: ZTE CorporationInventor: Kun Yang
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Patent number: 9467262Abstract: The present invention provides a method for configuring a reference signal, a UE, and an eNB. The method includes: determining, by a UE, a reference signal configuration priority set, and sending information of the reference signal configuration priority set to an eNB; and receiving, by the UE, a reference signal configuration measurement set sent by the eNB, where the reference signal configuration measurement set is configured by the eNB according to the information of the reference signal configuration priority set, and the reference signal configuration measurement set is used for the UE to measure and feed back channel state information. In embodiments of the present invention, a reference signal configuration matched with an optimal actual channel of a UE can be selected when an RRH or a base station is geographically separated, so that the UE can acquire a good channel condition.Type: GrantFiled: January 7, 2014Date of Patent: October 11, 2016Assignee: Huawei Technologies Co., Ltd.Inventors: Jianguo Wang, Xingqing Cheng, Yongxing Zhou
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Patent number: 9461789Abstract: A method for controlling interference between a plurality of pico base stations within the coverage of a macro base station in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: enabling a first pico base station to transmit information on a first subset of an ABS (almost blank subframe) pattern for measuring a downlink to user equipment on the basis of the ABS pattern of a macro base station; receiving, from the user equipment, the measurement results of the downlink in the first subset; detecting, from the measurement results of the downlink, interference from a second pico base station within the coverage of the macro base station, wherein if the interference is detected, the first pico base station can transmit, to the second pico base station, a message for requesting pairing with the macro base station with respect to the ABS pattern.Type: GrantFiled: May 16, 2013Date of Patent: October 4, 2016Assignee: LG ELECTRONICS INC.Inventors: Jaewon Lim, Kijun Kim
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Patent number: 9456452Abstract: Provided is a scheduling method of a multi-user multi-input multi-output (MIMO) communication system. The scheduling method includes transmitting a channel state information request signal to a user equipment when data to be transmitted to the user equipment is received, and calculating, by the user equipment receiving the channel state information request signal, an effective channel gain of the user equipment, determining whether channel state information (CSI) is capable of being transmitted, and transmitting the CSI of the user equipment according to a result of the determining.Type: GrantFiled: February 24, 2015Date of Patent: September 27, 2016Assignee: SNU R&DB FOUNDATIONInventors: Chong Kwon Kim, Kyu Haeng Lee
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Patent number: 9445296Abstract: Embodiments of the present invention relate to the technical field of wireless communications, and in particular, to a method, system, and device for configuring channel measurement and DL CSI feedback, so as to implement measurement in a dynamic TDD system. The method for configuring channel measurement according to the embodiment of the present invention comprises: a network side device dividing downlink subframes into multiple downlink subframe groups according to an interference condition on the downlink subframes; and the network side device notifying a user equipment of channel measurement configuration information corresponding to the downlink subframe groups. The network side device notifies the user equipment of the channel measurement configuration information corresponding to the multiple downlink subframe groups that are obtained according to the interference condition on the downlink subframe, thereby implementing measurement in the dynamic TDD system.Type: GrantFiled: December 31, 2012Date of Patent: September 13, 2016Assignee: China Academy of Telecommunications TechnologyInventors: Xueming Pan, Zukang Shen, Jing Xu
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Patent number: 9425970Abstract: Disclosed is a communication node device constituting a communication system performing multicast, which is characterized by that: when having forwarded data to a child node subordinate to it along a normal distribution path, it sets a retransmission timer also with respect to a child node on a redundant distribution path; and when having received data, it sends a reception confirmation message to both the parent node of the normal distribution path and a parent node of the redundant distribution path.Type: GrantFiled: May 17, 2013Date of Patent: August 23, 2016Assignee: NEC CORPORATIONInventors: Tomohiko Yagyu, Yui Ikuma
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Patent number: 9425928Abstract: Provided are a data transmission method and device. The method includes: determining, by means of a frequency hopping manner according to a TTI Bundling parameter, a frequency domain position of a physical resource block in a slot for sending a TTI Bundling, wherein a frequency hopping variable i of the frequency hopping manner is determined according to the TTI Bundling parameter by means of one of or a combination of predetermined approaches, where mod is a modulus operation, floor is rounded down operation, ns is a sequence number of the time slot; transmitting data on a time frequency resource corresponding to the frequency domain position of the physical resource block in the slot of the TTI bundling. According to the solution, the coverage area of the TTI bundling data transmission is improved.Type: GrantFiled: June 19, 2013Date of Patent: August 23, 2016Assignee: ZTE CORPORATIONInventors: Yanfeng Guan, Xianming Chen, Wei Luo, Yifei Yuan, Zhisong Zuo
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Patent number: 9426671Abstract: The present invention relates to a method for communicating between a primary station and at least one secondary station, comprising (a) the secondary station being configured to search a first configuration of search spaces, said search spaces comprising a number of resource sets, where at least one resource set might be used to transmit a message to the secondary station, (b) configuring the secondary station by means of a configuration message to search a second configuration of search spaces, (c) the secondary station in response of the reception of the configuration message entering into a transitional configuration mode, wherein the secondary station searches partly the first configuration of search spaces and the second configuration of search spaces.Type: GrantFiled: March 31, 2011Date of Patent: August 23, 2016Assignee: Koninklijke Philips N.V.Inventor: Timothy James Moulsley
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Patent number: 9420480Abstract: In a wireless communication system, techniques and devices are presented that can perform fast scan algorithms from a lower priority service, e.g., following a circuit-switched fallback (CSFB) voice call, to search for a higher priority network or technology to select. The higher priority network might be an LTE technology network or a high priority PLMN.Type: GrantFiled: July 22, 2013Date of Patent: August 16, 2016Assignee: Apple Inc.Inventors: Gencer Cili, Sairam T. S. Gutta, Qi He