Synchronization Patents (Class 370/350)
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Patent number: 11259310Abstract: Examples described herein mitigate adjacent channel interference for dual radios of a network device. Examples described herein may associate, by a network device, a first client device with a first radio of the network device, associate, by the network device, a second client device with a second radio of the network device, determine that the first and second client devices are within a steering threshold, and based on the determination that the first and second client devices are within the steering threshold, steer, by the network device, the second client device from the second radio to the first radio. Examples described herein may communicate, using the first radio of the network device, with the first and second client devices.Type: GrantFiled: April 29, 2020Date of Patent: February 22, 2022Assignee: Hewlett Packard Enterprise Development LPInventors: Amogh Guruprasad Deshmukh, Eldad Perahia, Sachin Ganu, Mohd Shahnawaz Siraj
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Patent number: 11252661Abstract: A device, method and software program that allows a network device to remain synchronized to a master device while minimizing its own power consumption is disclosed. The network device exits a low power mode at regular intervals in order to receive a synchronous communication from a master device. Once the network device has received enough information to confirm that this synchronous communication is from the correct master device, the network device may then return to the low power mode, even before the entirety of the synchronous communication has been received. This may reduce the time that the network device is in the active state by more than 90% in certain instances.Type: GrantFiled: July 14, 2020Date of Patent: February 15, 2022Assignee: Silicon Laboratories Inc.Inventor: Jere M. Knaappila
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Patent number: 11252773Abstract: An electronic device is disclosed which includes a wireless communication circuit configured to support BLUETOOTH communication, a processor, and a memory. The electronic device may connect with a first external electronic device via a first link configured to communicate in units of time slots, connect with a second external electronic device via the second link, transmit first link information for estimation of a radio resource of the first link to the second external electronic device via the second link, change a radio resource of the second link using the first link information, and communicate with the second external electronic device via the second link using the changed radio resource. In addition to the above, various embodiments disclosed in the present disclosure are possible.Type: GrantFiled: August 5, 2020Date of Patent: February 15, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Gupil Cheong, Byoungchul Lee, Jongmu Choi, Doosuk Kang, Bokun Choi
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Patent number: 11238448Abstract: This disclosure describes techniques that include use of a distributed ledger to arrange for and/or initiate provisioning of network services, and also to validate payment for such network services. In one example, this disclosure describes a method that includes modifying, by a computing system, a distributed ledger maintained by a consensus network to implement a smart contract that is configured to generate, in response to receiving a request for network services, a provisioning request; receiving the provisioning request, by the computing system and from a computing device on the consensus network that is executing the smart contract, wherein the provisioning request includes information describing requested network services; and provisioning, by the computing system and based on the information describing the requested network services, network services.Type: GrantFiled: March 21, 2019Date of Patent: February 1, 2022Assignee: Equinix, Inc.Inventors: Sreekanth Narayanan, Danjue Li, Imam Sheikh, Chen Xi
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Patent number: 11234272Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a downlink traffic query to a base station based at least in part on an expectation of downlink traffic from the base station over an unlicensed frequency spectrum band and an absence of downlink traffic from the base station over the unlicensed frequency spectrum band for a threshold duration of time. The UE may receive a downlink traffic indication response from the base station based at least in part on the downlink traffic query. The UE may monitor the unlicensed frequency spectrum band based at least in part on the downlink traffic indication response.Type: GrantFiled: November 21, 2019Date of Patent: January 25, 2022Assignee: QUALCOMM IncorporatedInventors: Wooseok Nam, Tao Luo, Srinivas Yerramalli, Xiaoxia Zhang, Jing Sun, Makesh Pravin John Wilson
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Patent number: 11228919Abstract: An electronic device, a method, and a BS for managing a BSs in a shared spectrum. The electronic device receives synchronization measurement reports (SMRs) from the BSs and identifies, based on the SMRs, at least one synchronization source BS and at least one slave BS from the BSs. Transmission timing of the at least one slave BS is based on transmission timing of the at least one synchronization source BS. The electronic device assigns the at least one synchronization source BS to a stratum in a synchronization hierarchy. A synchronization source BS assigned to an n=0 stratum provides a reference frame timing for the plurality of BSs and a synchronization source BS assigned to an n>0 stratum derives frame timing from another synchronization source BS assigned to an n?1 stratum. The electronic device configures synchronization signals and transmits synchronization management indications (SMIs) to the plurality of BSs.Type: GrantFiled: July 14, 2020Date of Patent: January 18, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jeongho Jeon, Russell Ford
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Patent number: 11228473Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may determine a UE. The apparatus may generate a reference signal using a base sequence obtained from a table, the table including a plurality of base sequences that each have a peak-to-average-power ratio (PAPR) metric below a threshold. Then, the apparatus transmits the reference signal to a base station. The reference signal may be multiplexed with a data transmission.Type: GrantFiled: November 28, 2018Date of Patent: January 18, 2022Assignee: QUALCOMM IncorporatedInventors: Wei Yang, Renqiu Wang, Yi Huang, Seyong Park, Alexandros Manolakos
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Patent number: 11228405Abstract: The described techniques provide for devices (e.g., a base station, a user equipment (UE)) to determine control channel processing limits for control channels for a CA configuration for a plurality of component carriers (CCs) with mixed numerology and synchronicities (e.g., CCs may have different transmission time interval (TTI) durations, subcarrier spacings, or frame timing). The devices may determine control channel processing limits for numerology groups or synchronization groups of the CA configuration based on a UE capability for processing control channels for a number of CCs, which may be allocated proportionally according to number of cells, allocated equally, or allocated using weighting factors assigned to synchronization or numerology groups. A base station may establish a CA configuration or control channel configuration according to the capability, or may ensure that a per-numerology restraint is not exceeded by determining a combined processing parameter.Type: GrantFiled: December 27, 2019Date of Patent: January 18, 2022Assignee: QUALCOMM IncorporatedInventors: Huilin Xu, Xiao Feng Wang, Wanshi Chen, Peter Gaal
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Patent number: 11223997Abstract: A wireless station implements a technique to reduce the occurrence of collisions between messages in a wireless network by dynamically modify a message interval during a communication session, based on received information indicative of beacon timing. The technique can be implemented by an access point on a wireless local area network to reduce collisions of beacon transmissions. The received information can include information indicative of beacon timing of other wireless stations, difficulty of a wireless station in receiving beacon transmissions, device capabilities, and/or other information.Type: GrantFiled: February 1, 2018Date of Patent: January 11, 2022Assignee: NETGEAR, INC.Inventors: Peiman Amini, Joseph Amalan Arul Emmanuel, Steven Skeoch
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Patent number: 11223439Abstract: A physical layer circuit includes registers and a timing circuit. The registers are configured to store a future time of day, a local hardware time and a compensation value. The timing circuit is configured to: determine a relationship between the local hardware time and a grandmaster time; select the future time of day; determine a difference between a local clock and a grandmaster clock and set the compensation value equal to the difference; subsequent to determining the difference, enable maintenance of a current time of day; when the local hardware time matches the future time of day, begin updating the current time of day based on the compensation value to match the grandmaster time; and adjust the compensation value to compensate for drift between the current time of day and the grandmaster time.Type: GrantFiled: November 13, 2019Date of Patent: January 11, 2022Assignee: Marvell Asia Pte, Ltd.Inventors: Ramya Krishna Devineni, Donald Pannell, Hong Yu Chou, Samuel Kong
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Patent number: 11218418Abstract: A scalable multi-cluster resource sharing facility. A global witness process runs on a first computing platform that communicates over one or more networks to any number of nodes situated over two or more clusters. The global witness process listens on the network for occurrences of leadership and/or resource requests from nodes of different clusters. The global witness processes a request by retrieving a resource request and a respective last known state value, comparing the last known state value to a global stored state value, then storing a new state value when the respective last known state value is equal to the stored state value. Any number of contemporaneous requests can be processed by the global witness process, however only one request can be granted. The other requestors each receive a rejection of their resource request when their proffered last known state value is not equal to the stored state value.Type: GrantFiled: May 20, 2016Date of Patent: January 4, 2022Assignee: Nutanix, Inc.Inventors: Karan Gupta, Pavan Kumar Konka, Parthasarathy Ramachandran, Arun Olappamanna Vasudevan, Andrey Alexseyevich Pyatkov
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Patent number: 11215715Abstract: An embodiment of the present invention provides a method for a vehicle-to-everything (V2X) terminal deriving location information by means of receiving a global positioning system (GPS) signal in a wireless communication system. The method, for deriving location information, comprises the steps of: receiving a GPS signal; determining, on the basis of information received from a fixed node, whether or not the GPS signal has been spoofed; and, if the GPS has not been spoofed, deriving location information from the GPS signal, wherein the information received from the fixed node is one of GPS signal reception-related information of the fixed node, location information of the fixed node and time stamp information of the fixed node.Type: GrantFiled: April 30, 2019Date of Patent: January 4, 2022Assignee: LG Electronics Inc.Inventors: Hyukjin Chae, Hanbyul Seo
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Patent number: 11218579Abstract: Various wireless communication methods are provided for controlling two or more wireless devices. In one embodiment, various processes optimize the wireless communication, especially when multiple devices are present in a system or a network. In another embodiment, various controlling devices are accommodated in a network of devices at different points in time. The speed at which the new controlling device comes into a range of the networked devices is improved with existing signatures of different wireless protocols or devices present in the network. In another embodiment, a change in the signal strength of a wireless device can be used to detect an object or person, such as an intruder.Type: GrantFiled: April 20, 2020Date of Patent: January 4, 2022Assignee: ILUMI SOLUTIONS, INC.Inventors: Swapnil Bora, Corey Egan, Qinghui Tang
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Patent number: 11212846Abstract: Enhanced random access procedures for link-budget-limited user equipment (UE) devices are disclosed. A user equipment device may transmit a first message containing a Physical Random Access Channel (PRACH). The PRACH contains instances of a Zadoff-Chu sequence, and may be transmitted repeatedly as part of a single random attempt, to facilitate correlation data combining at the base station. The available Zadoff-Chu sequences may be partitioned among a plurality of sets, each set being associated with a respective Doppler shift range (or frequency hop pattern or time repetition pattern). A UE device may signal Doppler shift (or other information) to the base station by selection of one of the sets. The first PRACH transmission and the following PRACH transmission may occur in consecutive subframes. A UE device may select from a special set of Zadoff-Chu sequences (different from a conventional set of sequences), to signal its status as a link-budget-limited device.Type: GrantFiled: February 14, 2020Date of Patent: December 28, 2021Assignee: Apple Inc.Inventors: Tarik Tabet, Youngjae Kim, Syed Aon Mujtaba
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Patent number: 11202339Abstract: A wireless communication device including a plurality of wireless transceivers and a controller is provided. Each wireless transceiver performs wireless transmission and reception using a respective Radio Access Technology (RAT). The controller enables the wireless transceivers to provide a plurality of wireless connections using a plurality of subscriber identities, and selects a first wireless connection from the plurality of wireless connections for communications between a user device and the wireless communication device. Also, the controller selects a second wireless connection from the plurality of wireless connections according to a service type of a packet flow associated with the user device, for communications between a service network and the wireless communication device, and assigns the second wireless connection for routing packets of the packet flow between the user device and the service network.Type: GrantFiled: March 13, 2020Date of Patent: December 14, 2021Assignee: MEDIATEK INC.Inventors: Chih-Yuan Tsai, Chao-Min Huang, Wei-Chiang Peng
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Patent number: 11197303Abstract: Aspects described herein relate to transmitting a direct link synchronization signal for wireless communications. A user equipment (UE) may determine a synchronization signal priority level. The UE may determine a number of resources in a synchronization signal period on which to transmit a direct link synchronization signal block from the UE based on the synchronization signal priority level. The UE may transmit the direct link synchronization signal block on the number of resources.Type: GrantFiled: January 17, 2020Date of Patent: December 7, 2021Assignee: QUALCOMM IncorporatedInventors: Shuanshuan Wu, Kapil Gulati, Navid Abedini, Sudhir Kumar Baghel, Arjun Bharadwaj, Tien Viet Nguyen, Shailesh Patil
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Patent number: 11195570Abstract: A method of operating a memory controller is disclosed. The method includes transmitting data signals to a memory device over each one of at least two parallel data links. A timing signal is sent to the memory device on a first dedicated link. The timing signal has a fixed phase relationship with the data signals. A data strobe signal is driven to the memory device on a second dedicated link. Phase information is received from the memory device. The phase information being generated internal to the memory device and based on a comparison between the timing signal and a version of the data strobe signal internally distributed within the memory device. A phase of the data strobe signal is adjusted relative to the timing signal based on the received phase information.Type: GrantFiled: August 23, 2019Date of Patent: December 7, 2021Assignee: Rambus Inc.Inventors: Jared L. Zerbe, Frederick A. Ware
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Patent number: 11196499Abstract: [Problem] It is possible to improve the quality of time information by suppressing a jump in time which arises when switching a transfer path in a BC apparatus to which transfer paths of time information of at least 2 systems are connected to an input side. [Solution] A time synchronization apparatus 20 is mounted on a BC apparatus 12c in which two systems of at least a 0-system route (0-system) and a 1-system route (1-system) are connected to an input side, and includes a time correction value holding unit 26 configured to hold a 0-system correction value in which a time error resulting from delay of UTC due to performance inherent to the BC apparatus is the same value as a time error accumulated on the 0-system side and a 1-system correction value in which the time error is the same value as a time error accumulated on the 1-system side.Type: GrantFiled: March 4, 2019Date of Patent: December 7, 2021Assignee: Nippon Telegraph and Telephone CorporationInventors: Kaoru Arai, Hiroki Sakuma, Takaaki Hisashima, Ryuta Sugiyama, Shunichi Tsuboi, Osamu Kurokawa, Kazuyuki Matsumura
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Patent number: 11196533Abstract: [Problem] To synchronize timings of transmitting and receiving a pulse signal (1 PPS signal) at a constant interval between communication apparatuses even in a case where an optical fiber connecting the communication apparatuses fluctuates in an optical characteristic and an optical fiber length. [Solution] The time synchronization system 20 transmits and receives a pulse signal at a constant interval between a local apparatus L (apparatus L) and a remote apparatus R (apparatus R) connected through the two-core bidirectional optical fibers F1 and F2 to synchronize time.Type: GrantFiled: February 15, 2019Date of Patent: December 7, 2021Assignee: Nippon Telegraph and Telephone CorporationInventors: Hiroki Sakuma, Kaoru Arai, Ryuta Sugiyama, Takaaki Hisashima, Shunichi Tsuboi, Osamu Kurokawa, Kazuyuki Matsumura
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Patent number: 11190440Abstract: An example apparatus to manage network resources includes a link aggregator to: aggregate a first plurality of physical network interface cards to create a first link aggregated group, the first link aggregated group corresponding to a first virtual network interface card; and aggregate a second plurality of physical network interface cards to create a second link aggregated group, the second link aggregated group corresponding to a second virtual network interface card; and a link manager to: connect the first link aggregated group between a first distributed virtual port and a first top-of-rack switch; connect the second link aggregated group between a second distributed virtual port and a second top-of-rack switch; and remove an invalid connection between the first plurality of physical network interface cards and the second top-of-rack switch.Type: GrantFiled: January 19, 2018Date of Patent: November 30, 2021Assignee: VMware, Inc.Inventors: Raja Kommula, Raj Yavatkar, Thayumanavan Sridhar
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Patent number: 11190266Abstract: A method for performing monitoring, commissioning, upgrading, analyzing, load balancing, remediating, and optimizing the operation, control, and maintenance of a plurality of remotely located RF signal repeater devices in a wireless network arranged to operate as an Internet of Things (IoT) network. Electronic RF signal repeater devices are employed as elements in the wireless network and communicate wireless radio frequency (RF) signals for a plurality of users. An RF signal repeater device may be arranged to operate as a donor unit device that provides RF signal communication between one or more remotely located wireless base stations, or other donor unit devices on the wireless network. Also, an RF signal repeater device may be arranged to operate as a service unit device that provides wireless RF signal communication between one or more user equipment devices (UEs) and a donor unit device or a wireless base station.Type: GrantFiled: May 27, 2021Date of Patent: November 30, 2021Assignee: Pivotal Commware, Inc.Inventors: Eric James Black, Mersad Cavcic, Brian Mark Deutsch, Alexander Remley Katko, Juan Pablo Olivo González, Christophe Jean Marcel Vidal
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Patent number: 11184869Abstract: An intermediary base station supporting mobile terminal (MT) functionality and/or a user equipment (UE) may receive a time alignment (TA) command and associated timer value from one or more distributed units (DUs) and/or a central unit (CU) of a parent base station. The TA command and timer value may be based on an experienced or potential timer expiration associated with a TA of a communication link. The TA command may specify an updated TA value and a timer reset for scheduling communications on the communication link. In some examples, the TA command may be in response to a TA command request provided by the MT or UE on allocated resources or configurations indicated by the parent base station. In other cases, the TA command may be in response to a random access procedure on allocated resources or configurations indicated by the parent base station.Type: GrantFiled: June 20, 2019Date of Patent: November 23, 2021Assignee: QUALCOMM IncorporatedInventors: Navid Abedini, Muhammad Nazmul Islam, Jianghong Luo, Karl Georg Hampel, Junyi Li
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Patent number: 11184866Abstract: Certain aspects of the present disclosure relate to beam selection. An example method generally includes selecting, from a plurality of beams, a beam for uplink transmission during a particular time interval, the selecting being based on a transmission power and a radio frequency (RF) exposure for each of the plurality of beams and transmitting at least one uplink signal using the selected beam during the particular time interval.Type: GrantFiled: April 28, 2020Date of Patent: November 23, 2021Assignee: QUALCOMM IncorporatedInventors: Mingming Cai, Tienyow Liu, Raghu Narayan Challa, Jing Lin, Junsheng Han
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Patent number: 11178590Abstract: Methods, systems, and devices for wireless communications are described that provide for hop-count indication in an integrated access and backhaul (IAB) network. An IAB-node may adopt and indicate multiple values for hop-count. The hop-count may be conveyed by a number of different reference signals and channels. A resource pattern and/or a slot pattern may also be associated with the hop-count to simply signaling. By associating the patterns with the hop-count, an IAB-node may be able to infer the resource pattern used by another IAB-node.Type: GrantFiled: August 9, 2019Date of Patent: November 16, 2021Assignee: QUALCOMM IncorporatedInventors: Navid Abedini, Tao Luo, Karl Georg Hampel, Jianghong Luo, Muhammad Nazmul Islam, Junyi Li
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Patent number: 11177897Abstract: A distributed Precision Time Protocol (PTP) Transparent Clock (TC) provides a TC function based on overall residence time in a network at a server layer. That is, the server layer operates as a distributed TC for a corresponding client layer. A transport network includes a first node connected to a first client device; and a second node connected to a second client device over a server layer, wherein the first client device communicates to the second client device via a client layer, wherein the first node and the second node are synchronized to one another, and wherein the first node and the second node are configured to implement a distributed transparent clock on a PTP packet at the client layer, the distributed transparent clock includes a correction field in the PTP packet based on a residence time in the transport network at the server layer.Type: GrantFiled: February 21, 2020Date of Patent: November 16, 2021Assignee: Ciena CorporationInventors: David James Evans, Daniel Claude Perras
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Patent number: 11172532Abstract: In a wireless communication network that implements the RRC Resume procedure, an eNB sends to a radio network device, previously connected, given a Resume ID, a paging message or Random Access Response message including an RRC Resume directive. The RRC Resume directive comprises at least an indication whether or not the radio network device should perform an RRC Resume procedure. If RRC Resume directive indicates the radio network device should not perform an RRC Resume procedure, the radio network device performs an RRC Connection procedure. If the RRC Resume directive indicates the radio network device should perform an RRC Resume procedure, it may include additional information to optimize or otherwise assist the RRC Resume procedure. In this manner, RRC Resume signaling is avoided when the eNB knows that it will not be successful, such as if a prior RRC connection context is not available or readily retrievable, or is invalid.Type: GrantFiled: August 16, 2016Date of Patent: November 9, 2021Assignee: Telefonaktiebolaget LM Ericsson (publ)Inventors: Andreas Höglund, Magnus Stattin, Osman Nuri Can Yilmaz
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Patent number: 11172525Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for transmitting a device to device (D2D) discovery signal by a user equipment (UE) in a communication system supporting a D2D scheme is provided. The method includes determining transmission power for D2D discovery signal transmission, and transmitting a D2D discovery signal using the transmission power, wherein the transmission power is determined by considering a cell at which the D2D discovery signal is transmitted.Type: GrantFiled: December 10, 2019Date of Patent: November 9, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Seok Ryu, Peng Xue, Sang-Won Choi
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Patent number: 11171757Abstract: The present document relates to a method and device for an Access Point (AP) to transmit ACK/NACK signals for MU (Multi-User) transmission data of a plurality of stations (STA) in a wireless LAN (WLAN) system. To this end, the method and device are characterized in that a STA responds to a trigger frame received from an AP, transmits data to the AP through an MU access technique, and sets an ACK policy value for data transmitted on the basis of the trigger frame to another value other than a first ACK policy value requesting an ACK signal transmission on the basis of a block ACK request.Type: GrantFiled: October 6, 2016Date of Patent: November 9, 2021Assignee: LG Electronics Inc.Inventors: Jinyoung Chun, Kiseon Ryu, Hangyu Cho
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Patent number: 11172449Abstract: A communication method and a device are provided. The method includes: generating, by a first terminal device, first data, where the first data includes second data, the second data includes third data and an identifier of the first terminal device, the second data is data that needs to be reported by the first terminal device to a network device, and the identifier of the first terminal device is used to determine the first terminal device; and sending, by the first terminal device, the first data to a second terminal device when a connection to the network device is not established. Power consumption of the first terminal device can be reduced by using the method and the device in the present disclosure.Type: GrantFiled: January 10, 2020Date of Patent: November 9, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Bo Lin, Xiaolong Guo, Shiyong Tan, Zhenglei Huang
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Patent number: 11160040Abstract: An embodiment of the present invention provides a device-to-device (D2D) signal transmission method wherein a terminal acquires synchronization and transmits a D2D signal by applying an offset in a wireless communication system, the method comprising the steps of: acquiring synchronization from at least one of a global navigation satellite system (GNSS) and an eNB; and transmitting a D2D signal on the basis of the acquired synchronization, wherein, when the terminal a) is located within a time division duplex (TDD) cell and b) is an in-coverage UE, and c) the eNB configures a system frame number (SFN) boundary on the basis of GNSS timing, the terminal applies a predetermined offset when a D2D signal is transmitted, regardless of whether the GNSS is used as a synchronization reference.Type: GrantFiled: November 1, 2017Date of Patent: October 26, 2021Assignee: LG Electronics Inc.Inventors: Hyukjin Chae, Hanbyul Seo
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Patent number: 11159329Abstract: A collaborative operating system includes: a secure command generating device, for performing a digital signature operation on a first-station command to generate a first-station command request, for performing a digital signature operation on a second-station command to generate a second-station command request, and for performing a digital signature operation on a third-station command to generate a third-station command request; a first device group instructs a first target device to execute a first target command only if the first-station command request passed authentication processes conducted by the first device group; a second device group instructs a second target device to execute a second target command only if the second-station command request passed authentication processes conducted by the second device group; and a third device group instructs a third target device to execute a third target command only if the third-station command request passed authentication processes conducted by the thirdType: GrantFiled: October 11, 2019Date of Patent: October 26, 2021Assignee: JRSYS INTERNATIONAL CORP.Inventor: Jia-Hong Chen
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Patent number: 11159276Abstract: Provided according to an embodiment is a method for transmitting feedback information in a wireless network supporting a downlink and a sidelink. Specifically, the method comprises the steps of: receiving, by a remote terminal, downlink data from a base station through the downlink; and transmitting, by the remote terminal, feedback information associated with the downlink data to a relay terminal through the sidelink. The downlink data may be received by the remote terminal through at least one of downlink subframes preceding an (n-k)th subframe, where n and k each denote an arbitrary positive integer. The feedback information associated with the downlink data may be generated by the remote terminal in the (n-k)th subframe. The feedback information associated with the downlink data may be transmitted to the relay terminal by the remote terminal in an nth subframe.Type: GrantFiled: April 19, 2018Date of Patent: October 26, 2021Assignee: LG Electronics Inc.Inventors: Hanbyul Seo, Youngdae Lee, Jaewook Lee
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Patent number: 11159284Abstract: Teachings herein improve the choice of carrier placement in a wireless communication network by de-coupling the carrier raster from the subcarrier grid. Recognizing that the placement of a carrier by its center frequency is an artificial construct, it is re-defined and the carrier placement is instead defined by the carrier position, which is on a carrier raster (e.g., 100 kHz), but in general does not have to be the center of the carrier. Second, a subcarrier grid is defined that is common for all RF carriers and spanning a range of frequencies, at least within an operating band, and provides orthogonality for subcarriers within all RF carriers regardless of carrier position. Third, a unique mapping from the carrier position on the RF carrier raster to a subcarrier reference position, e.g., the DC subcarrier, is defined, which in turn identifies the exact position of the RF carrier on the subcarrier grid.Type: GrantFiled: November 6, 2019Date of Patent: October 26, 2021Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)Inventors: Johan Sköld, Robert Baldemair, Håkan Björkegren
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Patent number: 11159355Abstract: A synchronization signal design is described for narrowband Internet of Things Communications. The synchronization signals facilitate time and frequency synchronization between an eNB and UEs. In one example, operations include generating an NB-Iot Secondary Synchronization Signal (N-SSS) using a Zadoff-Chu (ZC) sequence, scrambling the ZC sequence using a scrambling sequence, and transmitting the resulting scrambled NB-Iot Secondary Synchronization Signal (N-SSS) by the eNB in a periodic manner, wherein, the eNB has a cell identifier and the cell is identified by a combination of the root of the ZC sequence and the scrambling sequence.Type: GrantFiled: June 29, 2016Date of Patent: October 26, 2021Assignee: APPLE INC.Inventors: Utsaw Kumar, Seunghee Han, Debdeep Chatterjee, Ralf Bendlin
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Patent number: 11153901Abstract: A method for determining time information is disclosed. The method includes: obtaining, by a network node, information sent by a terminal device; and determining, by the network node, at least one of the following based on the information: a first time interval between downlink scheduling and downlink data transmission, a second time interval between the downlink data transmission and a feedback message sent by the terminal device after the terminal device receives downlink data, and a third time interval between uplink scheduling and uplink data transmission, where the information may include at least one of a subcarrier spacing, an operating band, and a bandwidth that are supported by the terminal device, and further include a first smallest value and/or a second smallest value and/or a third smallest value corresponding to the at least one item. Therefore, flexibility and accuracy of determining the time information are improved.Type: GrantFiled: September 23, 2019Date of Patent: October 19, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Jinlin Peng, Javad Abdoli, Hao Tang, Zhenfei Tang, Fan Wang
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Patent number: 11153821Abstract: For example, an EDMG STA may be configured to receive an A-MPDU for the EDMG STA in an EDMG MU PPDU from an EDMG MU-MIMO initiator station; to determine, according to an ordered acknowledgement scheme, a Block Acknowledgement (BA) period in which the EDMG STA is to be awake to allow transmission of a BA from the EDMG STA to the EDMG MU-MIMO initiator STA; to allow the EDMG STA to be in a power save mode during a first power save period from a time of an End of Frame (EOF) field in the A-MPDU for the EDMG STA until a beginning of the BA period; to transmit the BA to the EDMG MU-MIMO initiator; and to allow the EDMG STA to be in the power save mode during a second power save period after transmission of the BA.Type: GrantFiled: June 17, 2018Date of Patent: October 19, 2021Assignee: INTEL CORPORATIONInventors: Cheng Chen, Carlos Cordeiro, Claudio Da Silva, Oren Kedem
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Patent number: 11149920Abstract: The invention relates, inter alia, to a light fixture (10) for illuminating building surfaces (17) or partial building surfaces, comprising a housing (11), at least one light source, in particular an LED (12, 12a, 12b, 12c), and at least one collimating optics, in particular collimating optics (15, 15a, 15b, 15c) for collimating the light emitted by the light source. A particular feature is that at least three lens plates (18, 19) are provided in the light path behind the collimating optics, on each of which lens plates a plurality of lens elements (22a, 22b, 22c, 23a, 23b, 23c, 69a, 69b, 69c, 70a, 70b, 70c) is arranged, in particular grouped, wherein the relative spacings (32, 75) between one of the two outer lens plates, in each case, and the central lens plate, can be changed by means of at least one adjustment device (20), and wherein the light fixture provides different light distributions (37, 38, 39, 50a, 50b, 50c) in different mutual spacing positions of the lens plates.Type: GrantFiled: December 16, 2019Date of Patent: October 19, 2021Assignee: ERCO GMBHInventor: Matthias Bremerich
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Patent number: 11153142Abstract: A communication device includes a measurement engine configured to perform a radio measurement to obtain a reception metric, a power reduction database configured to identify a potential power reduction from a plurality of power reductions, a metric scaler configured to scale the reception metric to compensate for the potential power reduction to obtain a reduced reception metric, and a transmit controller configured to select a transmit power or a transmit repetition count for a radio frequency transceiver based on the reduced reception metric.Type: GrantFiled: November 30, 2017Date of Patent: October 19, 2021Assignee: Intel CorporationInventors: Jose Cesares Cano, Goeran Oekvist, Frank Sjoeberg, James Leblanc, Magnus Lundberg Nordenvaad
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Patent number: 11153029Abstract: Embodiments are directed to interference-aware link-rate adaptation for wireless communication. An embodiment of a storage medium includes instructions to operations including receiving data regarding wireless signals received by an access point, the access point to provide Wi-Fi communication, the wireless signals being communicated in an unlicensed radio spectrum; performing spectral analysis of the received wireless signals to identify a channel of an LTE (Long-Term Evolution) signal; and upon determining that energy level of the LTE signal is below an energy detection (ED) level and that the channel is a primary Wi-Fi channel for the access point, adapting a link rate for the access point based on channel state information for the channel.Type: GrantFiled: July 3, 2019Date of Patent: October 19, 2021Assignee: Hewlett Packard Enterprise Development LPInventors: Christina Vlachou, Kyu-Han Kim
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Patent number: 11140667Abstract: Techniques are described for wireless communication. In one method, a user equipment (UE) receives a timing synchronization signal (TSS) and a physical broadcast channel (PBCH), with the TSS based at least in part on a timing of the TSS within a broadcast channel transmission time interval (BCH TTI); determines the timing of the TSS within the BCH TTI; and demodulates the PBCH based at least in part on the TSS. In another method, a base station allocates resources for a TSS and a PBCH within a BCH TTI; determines the TSS based at least in part on a timing of the TSS within the BCH TTI; and transmits, on the resources allocated for the TSS and the PBCH, the TSS and the PBCH, with the TSS transmitted as a demodulation reference signal (DMRS) for the PBCH on at least one port used to transmit the TSS and the PBCH.Type: GrantFiled: March 14, 2018Date of Patent: October 5, 2021Assignee: QUALCOMM IncorporatedInventors: Bilal Sadiq, Sundar Subramanian, Muhammad Nazmul Islam, Juergen Cezanne, Navid Abedini, Tao Luo
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Patent number: 11140560Abstract: An overlay of millimeter wave (mmWave)-capable cells are added to a citizens broadband radio service (CBRS) network to provide coverage in a next generation fixed wireless (NGFW) network. The availability of mmWave spectrum, with limited reach, can be utilized as a wireless backhaul for subsequent hops. In one aspect, integrated access front-haul nodes (IAFHNs) that are utilized for mmWave transmissions at a second (and/or subsequent) hop can be deployed with self-aligning receivers. Further, the IAFHNs can facilitate adaptive resource allocation scheduling in an integrated access and backhaul (IAB) chain. In addition, an interface between macro access points can be enhanced to enable the adaptive resource allocation on the IAB chain. In one aspect, a fixed user equipment (UE) can be configured with dual connectivity (DC) and a network operator can offer different tiers of services based on a location of the UE.Type: GrantFiled: May 8, 2020Date of Patent: October 5, 2021Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.Inventors: Tony Wah-Tung Wong, Spyridon Kapoulas, Rajeev Jayaram
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Patent number: 11129196Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may rate match an uplink transmission around a set of resources reserved by a base station. The base station may indicate a set of reserved resources which overlaps an uplink resource allocation to the UE. The base station may transmit an indicator of the reserved resources, and the UE may identify a location of a clear channel assessment (CCA) gap in a symbol period relative to the reserved resources. By rate matching around the reserved resources and one or more CCA gaps, the UE may transmit uplink information despite the allocated uplink resources colliding with the reserved resources.Type: GrantFiled: May 8, 2019Date of Patent: September 21, 2021Assignee: QUALCOMM IncorporatedInventors: Kapil Bhattad, Jing Sun, Xiaoxia Zhang, Ananta Narayanan Thyagarajan, Tamer Kadous
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Patent number: 11122496Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to receive a frame through the transceiver, determine whether the frame is classified into an Intra-Basic Service Set (BSS) frame or an Inter-BSS frame according to a BSS from which the frame is transmitted, and access a channel according to whether the frame is an Intra-BSS frame or an Inter-BSS frame.Type: GrantFiled: February 14, 2020Date of Patent: September 14, 2021Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
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Patent number: 11122495Abstract: Provided is a wireless communication terminal that communicates wirelessly. The terminal includes: a transceiver; and a processor. The processor is configured to receive a frame through the transceiver, determine whether the frame is classified into an Intra-Basic Service Set (BSS) frame or an Inter-BSS frame according to a BSS from which the frame is transmitted, and access a channel according to whether the frame is an Intra-BSS frame or an Inter-BSS frame.Type: GrantFiled: February 14, 2020Date of Patent: September 14, 2021Assignees: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., SK TELECOM CO., LTD.Inventors: Geonjung Ko, Juhyung Son, Jinsam Kwak, Woojin Ahn
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Patent number: 11115101Abstract: An indicator in a master AP from among a plurality of APs obtains communication quality of communication with an AP which is a communication partner. In the case where the obtained communication quality is less than a threshold, the indicator causes the plurality of APs including the master AP to perform cooperative operation to transmit data. In the case where the obtained communication quality is not less than the threshold, the indicator causes the plurality of APs including the master AP to stop the cooperative operation.Type: GrantFiled: May 29, 2020Date of Patent: September 7, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Yutaka Murakami, Tomohiro Kimura, Mikihiro Ouchi
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Patent number: 11108485Abstract: A clock synchronization method includes receiving, by a receiving apparatus, a plurality of data blocks using a plurality of physical layer modules (PHYs), where the plurality of data blocks include a plurality of head data blocks, performing, by the receiving apparatus, timestamp sampling on the plurality of data blocks to generate a plurality of receipt timestamps, aligning, by the receiving apparatus, the plurality of receipt timestamps using a first receipt timestamp as a reference, generating, by the receiving apparatus, a clock synchronization packet based on the plurality of data blocks, and writing, by the receiving apparatus, a value of a second receipt timestamp into the clock synchronization packet, where the second receipt timestamp is a receipt timestamp that is of a second data block and that is determined based on the plurality of aligned receipt timestamps.Type: GrantFiled: April 28, 2020Date of Patent: August 31, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Xiang He, Yunlei Qi, Jingfeng Chen, Tao Lin, Junmin Song, Xinyuan Wang
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Patent number: 11101916Abstract: A message transmission method and device relating to the field of communications technologies is disclosed, so as to improve an anti-interference capability in message transmission. The method includes: generating, by a base station, a scrambling code according to a first time parameter; then scrambling a system message according to the scrambling code; and finally sending the scrambled system message to a terminal on a physical broadcast channel. In this technical solution, because the first time parameter has different values at at least two different moments, scrambling codes determined at the at least two corresponding different moments are different. Therefore, a possibility at which the base station uses a same scrambling code to scramble a same system message repeatedly in a time period is reduced, so that an anti-interference capability in system message transmission is improved.Type: GrantFiled: July 10, 2019Date of Patent: August 24, 2021Assignee: Huawei Technologies Co., Ltd.Inventors: Tong Ji, Zhe Jin, Zhihu Luo, Weiliang Zhang
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Patent number: 11096130Abstract: Disclosed is a method and apparatus for generating information indicating a synchronization signal (SS) block. A method comprises: determining a frequency resource associated with a wireless device; determining, by a base station and based on the determined frequency resource, whether to add or omit a first bitmap indicating a plurality of groups in which at least one synchronization signal (SS) block is transmitted: generating, based on the determining to add the first bitmap, system information comprising a parameter comprising: the first bitmap; and a second bitmap indicating a position of one or more transmission SS blocks in each of the plurality of groups; and transmitting, based on the position, the one or more transmission SS blocks each comprising a Physical Broadcast Channel (PBCH) and a synchronization signal.Type: GrantFiled: June 15, 2018Date of Patent: August 17, 2021Assignee: Innovative Technology Lab Co., Ltd.Inventors: Sung Jun Yoon, Dong Hyun Park
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Patent number: 11089538Abstract: A method may include receiving registration information from a first user equipment (UE) device and identifying a first multicast service associated with the first UE device. The method may also include transmitting, to the first UE device, a first file associated with the first multicast service and determining a number of UE devices associated with the first multicast service that have provided registration information. The method may further include determining whether a threshold associated with the number of UE devices that have provided registration information has been reached and initiating a broadcast of content associated with the first multicast service, in response to determining that the threshold has been reached.Type: GrantFiled: November 18, 2019Date of Patent: August 10, 2021Assignee: Verizon Patent and Licensing Inc.Inventors: Mansoor Ali Shah Mohammed, Kevin Lisewski, John J. Arky
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Patent number: 11088797Abstract: Embodiments of efeMTC synchronization signals for enhanced cell search and enhanced system information acquisition are described. In some embodiments, an apparatus of a base station (BS) is configured to generate a length-x sequence for an efeMTC synchronization signal, the length-x sequence configured for repetition in frequency domain within 6 physical resource blocks (PRB). In some embodiments, to generate the length-x sequence, the BS may be configured to select any one index of the set of root indices {1, 2, . . . , 63}, excluding the root indices 25, 29 and 34, to correspond to a different physical-layer cell identity (PCID). In some embodiments, the BS may be configured to encode RRC signaling to include a System Information Block (SIB) comprising configuration information for transmission of the efeMTC synchronization signal, and transmit the length-x sequence as the efeMTC synchronization signal in frequency resources according to the SIB.Type: GrantFiled: March 20, 2018Date of Patent: August 10, 2021Assignee: Apple Inc.Inventors: Salvatore Talarico, Qiaoyang Ye, Debdeep Chatterjee, Seunghee Han, Dae Won Lee