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公开(公告)号：US10791511B2
公开(公告)日：2020-09-29
申请号：US16428314
申请日：2019-05-31
Applicant: Apple Inc.
Inventor： Veerendra Boodannavar , Ronald K. Huang , Rajneesh Kumar , Kapil Chhabra , Faraz Faheem
Abstract: Some embodiments enable low power mode for wireless local area network (WLAN) subsystem of an electronic device to improve power usage at the electronic device and increase response time of the WLAN subsystem to prioritized application(s). For example, a method includes enabling a sleep mode of the WLAN subsystem of the electronic device. The electronic device maintains a connection with an access point of a wireless network during the sleep mode. The method further includes receiving a request from an application to communicate with the wireless network. The application is included in a list of prioritized applications. In response to determining that a metric associated with the sleep mode does not exceed a power budget, the sleep mode of the WLAN subsystem is suspended and the communication between the application and the access point of the wireless network is enabled (after the suspension of the sleep mode).
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公开(公告)号：US10070339B2
公开(公告)日：2018-09-04
申请号：US15166020
申请日：2016-05-26
Applicant: Apple Inc.
Inventor： Kapil Chhabra , Udaykumar R. Raval , Zheng Zeng , Veerendra Boodannavar , Sriram Lakshmanan , Saumin Shah
Abstract: Apparatus and methods for configuring wireless circuitry of a wireless device to optimize power consumption based on operating states of the wireless device are disclosed. When associating with or while associated with a multiple-input multiple-output (MIMO) capable wireless local area network (WLAN) access point (AP), the wireless device configures the wireless circuitry to use a MIMO mode that includes at least two spatial streams for communication with multiple radio frequency (RF) receive chains active, a single-input single-output (SISO) mode or a multiple-input single-output (MISO) mode that includes only one spatial stream and a single RF receive chain active, or a single-input multiple-output (SIMO) mode that includes only one spatial stream and multiple RF receive chains active, based on balancing application requirements for data throughput with power saving modes to conserve battery levels. MIMO modes can be used when an active application benefits from MIMO rates or when transferring large files.
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公开(公告)号：US09992733B2
公开(公告)日：2018-06-05
申请号：US14292620
申请日：2014-05-30
Applicant: APPLE INC.
Inventor： Welly Kasten , Chaitanya Mannemala , Kapil Chhabra , Veerendra Boodannavar
Abstract: A method, station and computer readable storage medium used to perform opportunistic roaming procedures. A station joined to a basic service set (BSS) of an access point (AP) performs a method including determining a roam profile for the station, the roam profile indicating at least one of available operating bands or available APs for the station, determining a first value associated with a network parameter of the joined AP, determining at least one roam candidate AP having a second value associated with the network parameter corresponding to the roam candidate AP, wherein the first and second values are a received signal strength indicator, determining whether a predetermined criteria value is satisfied based upon the first and second values, wherein the predetermined criteria value is a minimum difference between the first value and second value and roaming to the roam candidate AP when the predetermined criteria value is satisfied.
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公开(公告)号：US09973895B2
公开(公告)日：2018-05-15
申请号：US15619116
申请日：2017-06-09
Applicant: Apple Inc.
Inventor： Kapil Chhabra , Welly Kasten , Artiom Shamis , Chaitanya Mannemala
Abstract: After detecting an access-intent operation, an electronic device establishes a connection with a second electronic device using a communication protocol. The electronic devices exchange identifiers, and the second electronic device provides information specifying a preferred channel to use with a second communication protocol. Based at least in part on the preferred channel of the second electronic device and on communication contexts of the electronic devices, the electronic device selects a channel and transmits to the second electronic device information specifying the selected channel. The electronic device remotely accesses credential information based on the exchanged identifiers, and using the credential information, the electronic devices establish a secure connection via the selected channel using the second communication protocol. The electronic device determines a distance to the second electronic device using wireless ranging via the secure connection. When the electronic devices are proximate to each other, the electronic device can be unlocked.
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公开(公告)号：US09894616B2
公开(公告)日：2018-02-13
申请号：US14889428
申请日：2014-03-19
Applicant: Apple Inc.
Inventor： Kapil Chhabra
CPC classification number: H04W52/0274 , H04W40/244 , H04W48/16 , H04W52/0229 , H04W84/12 , H04W88/02 , Y02D70/00 , Y02D70/142 , Y02D70/144 , Y02D70/162 , Y02D70/166 , Y02D70/26
Abstract: A wireless device configured to delegate it communications and traffic monitoring tasks to a paired device when a wireless transceiver of the wireless device is found to be in an idle state is provided. The wireless device includes two wireless transceivers, the first wireless transceiver for communicating with a wireless access point and second low power wireless transceiver for communicating with a paired device. When the wireless device determines that the first wireless transceiver is in an idle state, it can place the first wireless transceiver into a sleep mode and delegate to the paired device via the second wireless transceiver communication and traffic monitoring tasks that would have been performed by the first wireless transceiver if it were not in a sleep mode.
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Patent Agency Ranking
公开(公告)号：US09622163B2
公开(公告)日：2017-04-11
申请号：US13631647
申请日：2012-09-28
Applicant: Apple Inc.
Inventor： Kapil Chhabra
IPC: H04W48/20 , H04W84/18 , H04L12/24 , H04L12/751 , H04W84/12
Abstract: One embodiment of the present invention provides a device for joining a known Wi-Fi network. During operation, the device performs a scanning operation during a scanning process to find a known access point of a WLAN for the device to join. Next, if the scanning operation finds an access point, the device determines whether the access point neighbors a known access point. If so, the device attempts to associate with the known access point by performing a scanning operation on the specific channel associated with the known access point.
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公开(公告)号：US09526065B2
公开(公告)日：2016-12-20
申请号：US14291965
申请日：2014-05-30
Applicant: APPLE INC.
Inventor： Kapil Chhabra
Abstract: A method and wireless station used to perform WiFi scans. The wireless station determines a first cell identity of a first cell to which the wireless station is currently connected, determines a second cell identity of a second cell that is available, determines whether either of the first or second cell identities are related to a WiFi network based on relationships between cell identities and WiFi networks stored in the wireless station, performs a first type of scan for available WiFi networks when either of the first cell identity or the second cell identity is related to the WiFi network and performs a second type of scan for available WiFi networks when neither of the first cell identity or the second cell identity is related to the WiFi network, the first type of scan is performed more frequently or over more channels compared to the second type of scan.
Abstract translation: 用于执行WiFi扫描的方法和无线站。 无线站确定无线站当前连接到的第一小区的第一小区标识，确定可用的第二小区的第二小区标识，确定第一或第二小区标识中的任一个是否与WiFi网络相关 基于存储在无线站中的小区标识和WiFi网络之间的关系，当第一小区标识或第二小区标识中的任一个与WiFi网络相关并执行第二类型的扫描时，对可用的WiFi网络执行第一类扫描 对于可用的WiFi网络，当第一小区标识或第二小区标识都不与WiFi网络相关时，与第二类型的扫描相比，第一类型的扫描被更频繁地或更多的信道执行。
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公开(公告)号：US20140362835A1
公开(公告)日：2014-12-11
申请号：US13912926
申请日：2013-06-07
Applicant: APPLE INC.
Inventor： Vinesh Pallen , Kapil Chhabra , Artiom Shamis , Tito Thomas
CPC classification number: H04W12/06 , H04L2463/062 , H04W12/04 , H04W84/12
Abstract: A system and method synchronizes network data for a device registered to a user. The network data includes a list of a plurality of known wireless networks and authentication data associated with each of the known wireless networks. The method includes establishing a connection to a server of a synchronization network. The method includes transmitting identification data to the server. The identification data indicates the network data corresponding to the user to which the device is registered. The method includes receiving the list of known wireless networks from the server via the synchronization network. The method includes receiving a secure file including the authentication data from the server via the synchronization network.
Abstract translation: 系统和方法将注册到用户的设备的网络数据同步。 网络数据包括多个已知无线网络和与每个已知无线网络相关联的认证数据的列表。 该方法包括建立与同步网络的服务器的连接。 该方法包括向服务器发送标识数据。 识别数据表示对应于设备登记的用户的网络数据。 该方法包括经由同步网络从服务器接收已知无线网络的列表。 该方法包括经由同步网络从服务器接收包括认证数据的安全文件。
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公开(公告)号：US20140064140A1
公开(公告)日：2014-03-06
申请号：US13631647
申请日：2012-09-28
Applicant: APPLE INC.
Inventor： Kapil Chhabra
Abstract: One embodiment of the present invention provides a device for joining a known Wi-Fi network. During operation, the device performs a scanning operation during a scanning process to find a known access point of a WLAN for the device to join. Next, if the scanning operation finds an access point, the device determines whether the access point neighbors a known access point. If so, the device attempts to associate with the known access point by performing a scanning operation on the specific channel associated with the known access point.
Abstract translation: 本发明的一个实施例提供一种用于连接已知Wi-Fi网络的设备。 在操作期间，设备在扫描过程中执行扫描操作，以找到WLAN的已知接入点以使设备加入。 接下来，如果扫描操作找到接入点，则设备确定接入点是否邻近已知的接入点。 如果是这样，则设备通过对与已知接入点相关联的特定信道执行扫描操作来尝试与已知接入点相关联。
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10.发明申请公开(公告)号：US20220272781A1
公开(公告)日：2022-08-25
申请号：US17742254
申请日：2022-05-11
Applicant: Apple Inc.
Inventor： Kapil Chhabra
Abstract: Extending cellular telecommunication service from a first UE to another device. The first UE may register for cellular telecommunication service with a cellular network using a first cellular service account, using a cellular communication link via a cellular radio. A second device may be discovered and a communication link may be established between the first UE and the second device. The second device may be registered to use cellular telecommunication capability provided by the first UE. Communications between the second device and the cellular network may be conveyed via the communication link between the first UE and the second device and the cellular communication link. Conveying communications between the second device and the cellular network may provide use of the first cellular service account for cellular telecommunication service to the second device.
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