Patents Examined by Maharishi Khirodhar
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Patent number: 9918290Abstract: A method includes detecting a device to device (D2D) synchronization signal of a neighbor base station, transmitted from at least one other UE associated with the neighbor base station through a transceiver, determining at least one UE receive (RX) resource pool configured by the neighbor base station based on the D2D synchronization signal of the neighbor base station, and monitoring a D2D discovery or communication signal transmitted from the at least one other UE according to the at least one UE RX resource pool through the transceiver. A method includes determining at least one UE RX resource pool for at least one device associated with a base station, each UE RX resource pool comprising a repetition of a Scheduling Assignment (SA) pool and a data pool with a scheduling cycle, the SA pool comprising a SA bitmap, and the data pool comprising at least one repeated data bitmap.Type: GrantFiled: June 23, 2015Date of Patent: March 13, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ying Li, Thomas David Novlan
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Patent number: 9912506Abstract: The present invention relates to a method for estimating a channel in a wireless communication system. In the method, a reference value is generated on the basis of a value indicating a non-Gaussian characteristic of an inter-cell interference signal and power values of received pilot symbols, the reference value is compared with each of the power values of the pilot symbols, at least one pilot symbol, which is relatively lightly damaged by the inter-cell interference signal, is selected, and a channel is estimated using the at least one selected pilot symbol.Type: GrantFiled: July 17, 2014Date of Patent: March 6, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Nam Hong, Min Sagong, Chi-Woo Lim, Kyung-Whoon Cheun
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Patent number: 9912579Abstract: Techniques to manage presence information based on routing rules are described. An apparatus may comprise a presence management component operative to manage presence information for a presentity. The presence management component comprises a presence interface module operative to receive a routing rule for a communication event for a presentity node used by a presentity. The presence management component also comprises a presence control module communicatively coupled to the presence interface module, the presence control module operative to determine presence state information based on the routing rule. The presence management component further comprises a presence publish module communicatively coupled to the presence control module, the presence publish module operative to publish the presence state information to multiple watcher nodes. Other embodiments are described and claimed.Type: GrantFiled: March 19, 2015Date of Patent: March 6, 2018Assignee: Microsoft Technology Licensing, LLCInventors: Alexander M Hehmeyer, Venkateshaiah Setty
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Patent number: 9900876Abstract: The present invention addresses a method, apparatus and computer program product for enabling enhanced repetition transmission for downlink control signal to improve machine type communication coverage. One or a plurality of downlink control channel signaling window lengths is/are predefined, a start position of a window in which repetition of download control signal is allowed is determined based on the determined control channel signaling window length for each window length, and transmission of repetition of download control signal is caused at the determined start position in the respective obtained window length.Type: GrantFiled: January 18, 2013Date of Patent: February 20, 2018Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.Inventors: Chunyan Gao, Na Wei, Shuang Tan, Erlin Zeng, Haiming Wang, Wei Bai
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Patent number: 9891288Abstract: Devices and methods are disclosed which relate to a wireless communications device comprising a wireless power transmission detector and a wireless power transmission indicator for displaying to a user the current level of wireless power transmission. A voltmeter and ammeter take readings from the wireless transceiver circuit while the wireless communications device is on. A power logic stored on a memory within the wireless communications device converts the readings into a wireless power transmission level. The wireless power transmission level is output to an indicator on the wireless communications device where a user can view it. Exemplary embodiments include a true battery life indicator on the wireless communications device. The true battery life indicator gives an amount of time a battery powering the wireless communications device will last at the current wireless power transmission level.Type: GrantFiled: February 13, 2017Date of Patent: February 13, 2018Assignee: AT&T Intellectual Property I, L.P.Inventors: Jian Li, Zhi Li, Raghvendra Savoor
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Patent number: 9888079Abstract: A controller area network has a plurality of nodes in communication through a bus. The nodes have controllers and computer readable instructions that, when executed, perform the steps of: receiving a new message; inserting the new message into the queue in order of priority if the queue is not full; refusing the new message if the queue is full and the priority of the new message is lower than the priorities of current messages in the queue; inserting the new message into the queue in order of priority if the queue is full and the priority of the new message is higher than a priority of at least one of the current messages; removing the new message from the queue if the current time exceeds an expiration indicator; sending the new message to the controller for transmission and holding the new message in the queue during transmission; and removing the new message from the queue after successful transmission.Type: GrantFiled: July 30, 2015Date of Patent: February 6, 2018Assignee: THE BOEING COMPANYInventors: Timothy E. Jackson, Sean Ramey
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Patent number: 9882695Abstract: Embodiments of a transmission signaling structure for HEW are defined to carry packet information to configure OFDMA receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific OFDMA and MU-MIMO resources. In some embodiments, the specific portion of the packet comprises one or more minimum bandwidth units of one or more 20 MHz channels. Each 20 MHz bandwidth structure may comprise several minimum bandwidth units to allow each 20 MHz channel to have a have smaller granularity than 20 MHz.Type: GrantFiled: December 29, 2016Date of Patent: January 30, 2018Assignee: Intel IP CorporationInventors: Shahrnaz Azizi, Thomas J. Kenney, Guoqing C. Li, Eldad Perahia, Robert J. Stacey
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Patent number: 9872189Abstract: Embodiments of the disclosure relate to systems and methods for determining asymmetric downlink and uplink propagation delays in a wireless distribution system (WDS) for more accurately determining propagation delay. In this regard, a WDS is configured to determine both the separate downlink and uplink propagation delays between a central unit and a plurality of remote units. It is not presumed that the downlink propagation delay and the uplink propagation delay in the WDS are symmetric to provide a more accurate determination of propagation delay. Therefore, it is possible to determine the downlink and uplink propagation delays with improved accuracy, thus enabling more precise location identification in the WDS.Type: GrantFiled: March 31, 2016Date of Patent: January 16, 2018Assignee: Corning Optical Communications Wireless LtdInventor: Dror Harel
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Patent number: 9867210Abstract: Embodiments of a transmission signaling structure for HEW are defined to carry packet information to configure OFDMA receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific OFDMA and MU-MIMO resources. In some embodiments, the specific portion of the packet comprises one or more minimum bandwidth units of one or more 20 MHz channels. Each 20 MHz bandwidth structure may comprise several minimum bandwidth units to allow each 20 MHz channel to have a have smaller granularity than 20 MHz.Type: GrantFiled: September 29, 2016Date of Patent: January 9, 2018Assignee: Intel IP CorporationInventors: Shahrnaz Azizi, Thomas J. Kenney, Guoqing C. Li, Eldad Perahia, Robert J. Stacey
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Patent number: 9867054Abstract: Techniques are described for wireless communication. A first method may include determining a pattern of signal transmissions for transmitting instances of a signal in a time period of an unlicensed radio frequency spectrum band; determining whether the unlicensed radio frequency spectrum band is unavailable to transmit at least one instance of the signal; and changing, in response to determining the unlicensed radio frequency spectrum band is unavailable to transmit an instance of the signal, the pattern of signal transmissions for the time period. A second method may include identifying at least one reference signal pattern from a plurality of reference signal patterns based at least in part on whether a plurality of transmission time intervals are bundled; and signaling the identified at least one reference signal pattern to a device.Type: GrantFiled: April 1, 2015Date of Patent: January 9, 2018Assignee: QUALCOMM IncorporatedInventors: Xiaoxia Zhang, Tao Luo, Jun Wang
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Patent number: 9866477Abstract: A system and method are provided that support a routing using a tree-like or graph topology that supports multiple links per node, where each link is designated as an Up, Down, or Lateral link, or both, within the topology. The system may use a segmented MAC architecture which may have a method of re-purposing MAC IP addresses for inside MACs and outside MACs, and leveraging what would normally be the physical signaling for the MAC to feed into the switch.Type: GrantFiled: September 1, 2016Date of Patent: January 9, 2018Assignee: III Holdings 2, LLCInventors: Mark Bradley Davis, David James Borland
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Patent number: 9854623Abstract: Embodiments of an enhanced Node B (eNB) and method to provide system information (SI) updates to user equipment (UE) in sleep or idle mode with an extending paging cycle are generally described herein. In some embodiments, a paging message configured to include an optional field to indicate whether there has been a system information (SI) update since a last paging occasion for a UE in sleep or idle mode with an extending paging cycle. System information updates are transmitted by the eNB during a system information modification period that is shorter than a period the extending paging cycle. The optional field may indicate whether or not the UE is to acquire the latest SI update during the current paging occasion.Type: GrantFiled: April 12, 2016Date of Patent: December 26, 2017Assignee: Intel CorporationInventors: Satish Chandra Jha, Ali T. Koc, Maruti Gupta, Rath Vannithamby
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Patent number: 9843408Abstract: Techniques described herein relate to reducing co-channel interference between macrocells and small cells in a heterogeneous network environment. Macrocells and small cells may dynamically select from among multiple interfaces (e.g., an X2 or S1 interface) to communicate FeICIC control communications. In one implementation, the selection may be based on the round trip delay (RTD) time between pairs of nodes. Thus, the macrocells and small cells nodes may dynamically select either the X1 or S1 interface based on whichever of these interfaces has the smallest RTD to the destination radio node.Type: GrantFiled: August 6, 2015Date of Patent: December 12, 2017Assignee: Verizon Patent and Licensing Inc.Inventors: Amir Saghir, Jignesh S. Panchal
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Patent number: 9839037Abstract: Methods and systems are disclosed for communicating in a wireless communications system utilizing a plurality of frequency bands for downlink (DL) transmission and a plurality of frequency bands for uplink (UL) transmission. In an embodiment, a mobile device receives a DL signal via a DL frequency band. The DL signal contains DL-UL frequency-band association information. The DL signal is decoded to obtain the DL-UL frequency-band association information which is used to determine a UL frequency band for UL transmission. The mobile device configures its radio-frequency (RF) circuitry to operate in the UL frequency band for UL transmission.Type: GrantFiled: June 6, 2016Date of Patent: December 5, 2017Assignee: Neocific, Inc.Inventors: Titus Lo, Xiaodong Li
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Patent number: 9825743Abstract: A method for transmitting an uplink signal at a UE in a wireless communication system includes, when a virtual cell ID for a reference signal for demodulation of a physical uplink channel is provided, generating a sequence of the reference signal on the basis of the virtual cell ID, and transmitting the generated reference signal to an eNB. A sequence hopping pattern of the reference signal can be determined on the basis of the virtual cell ID.Type: GrantFiled: July 6, 2016Date of Patent: November 21, 2017Assignee: LG ELECTRONICS INC.Inventors: Jonghyun Park, Kijun Kim, Byounghoon Kim
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Patent number: 9820274Abstract: Method of scrambling signals, transmission point device, and user equipment using the method are provided. The method includes: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, wherein the blind detection for the UE is enabled and the signaling overhead is reduced.Type: GrantFiled: February 25, 2016Date of Patent: November 14, 2017Assignee: Sun Patent TrustInventors: Zhi Zhang, Ming Xu, Masayuki Hoshino, Daichi Imamura, Akihiko Nishio
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Patent number: 9820205Abstract: An efficient signaling of virtual cell identifier (ID) sets by base stations is disclosed. A serving base station identifies a set of virtual cell IDs of transmission points from a coordinated multipoint (CoMP) cluster in which a served user equipment (UE) is located along with neighboring transmission points of neighboring CoMP clusters. The serving base station groups the virtual cell IDs available for use in transmission into subsets of virtual cell IDs either according to the primary cell IDs associated with each virtual cell ID or according to the channel state information (CSI) resources associated with each primary cell ID and then transmits each of the subsets of virtual cell IDs to the UE.Type: GrantFiled: July 24, 2015Date of Patent: November 14, 2017Inventors: Peter Gaal, Arumugam Chendamarai Kannan, Hao Xu, Tao Luo
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Patent number: 9814009Abstract: Systems and methods are described herein that facilitate attaching a mobile station to a target wireless network through a physical connection between the mobile station and a supporting wireless network. Uplink and downlink channels between the mobile station and the target wireless network tunnel through the supporting wireless network. The systems and methods described herein thereby enable a mobile station with a single transceiver to become simultaneously attached to multiple wireless networks. The systems and methods described herein further support the handover of a mobile station from a generic access component of a mobile network to a radio access component and the handover of a mobile station from a radio access component of a mobile network to a generic access component of the mobile network thus facilitating rapid transitions from one mobile network air interface to another.Type: GrantFiled: August 1, 2014Date of Patent: November 7, 2017Assignee: Google LLCInventor: Scott Bartlett
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Patent number: 9807821Abstract: Systems and methods for providing host-neutral small cells include communicating with a first User Equipment (UE) at a small cell. The first UE communicates with the small cell via a first Evolved Node B (eNodeB) base station associated with a first Evolved Packet Core (EPC). The small cell further communicates with a second UE. The second UE communicates with the small cell via a second eNodeB base station associated with a second EPC. Although a different wireless carrier may be associated with each of the first and second UEs, they may both communicate with the host-neutral small cell.Type: GrantFiled: January 20, 2015Date of Patent: October 31, 2017Assignee: Cisco Technology, Inc.Inventors: Vivek Jha, Rajesh Pazhyannur, Maulik Vaidya
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Patent number: 9806872Abstract: The present disclosure relates to an apparatus and method for canceling and/or suppressing inter-cell interference in a wireless communication. The method includes: establishing a Radio Resource Control (RRC) connection with a base station through a first serving cell; receiving, at a User Equipment (UE), an RRC message through the first serving cell, the RRC message comprising cell-specific reference signal (CRS) information of a neighbor cell and Physical Downlink Shared Channel (PDSCH) information of the neighbor cell, and the PDSCH information of the neighbor cell comprising a parameter relating to a power ratio of a CRS of the neighbor cell and a PDSCH of the neighbor cell; receiving the PDSCH through the first serving cell; performing a channel estimation for retrieving data from a PDSCH of the first serving cell; and retrieving the data from the PDSCH of the first serving cell based on the second channel estimation.Type: GrantFiled: January 12, 2017Date of Patent: October 31, 2017Assignee: Innovative Technology Lab Co., Ltd.Inventor: Jianjun Li