公开(公告)号：US11013049B2

公开(公告)日：2021-05-18

申请号：US16549904

申请日：2019-08-23

Applicant: Apple Inc.

Inventor： Farouk Belghoul ,  Tarik Tabet ,  Dawei Zhang

IPC: H04W76/15 ,  H04W28/02 ,  H04W28/08 ,  H04W36/28 ,  H04W36/14 ,  H04W84/12 ,  H04W88/06 ,  H04W76/16

Abstract: This disclosure relates to aggregation of radio resources provided according to multiple radio interfaces. According to some embodiments, a base station may establish a radio bearer with a wireless user equipment (UE) device. The radio bearer may initially utilize a first radio interface between the base station and the UE. The base station may receive an indication to aggregate radio resources of an access point that utilizes a second radio interface for the UE. Based on the indication to aggregate radio resources for the UE, the base station may redirect at least a portion of data of the radio bearer by way of the access point to be exchanged with the UE using the second radio interface.

公开(公告)号：US10979355B2

公开(公告)日：2021-04-13

申请号：US16365641

申请日：2019-03-26

Applicant: Apple Inc.

Inventor： Krisztian Kiss ,  Christoph Paasch ,  Farouk Belghoul ,  Sarma V. Vangala ,  Rohan C. Malthankar

IPC: H04L12/801 ,  H04L12/707 ,  H04W36/08 ,  H04W60/00 ,  H04W80/06 ,  H04W84/12

Abstract: This disclosure relates to techniques for providing a multipath transmission control protocol proxy in a cellular network. A wireless device may establish a wireless link with a cellular network. The wireless device may provide an indication that the wireless device is multipath transmission control protocol (MPTCP) capable to a core network entity of the cellular network. The wireless device may receive MPTCP proxy information for a MPTCP proxy comprised in the cellular network from the core network entity. The MPTCP proxy information may include MPTCP server IP address and port information. The wireless device may establish a first MPTCP flow with the MPTCP proxy comprised in the cellular network via the wireless link.

公开(公告)号：US10972247B2

公开(公告)日：2021-04-06

申请号：US16892901

申请日：2020-06-04

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Farouk Belghoul ,  S. Aon Mujtaba ,  Dawei Zhang

IPC: H04J3/06 ,  H04L7/00 ,  H04L5/00 ,  H04L12/26

Abstract: This disclosure relates to using a dedicated reference subframes in a cellular communication system. According to one embodiment, a base station may transmit reference signals in a dedicated synchronization and measurement reference subframe. Neighboring base stations may also transmit reference signals in dedicated reference subframes in a temporally coordinated (synchronized) manner. The reference signals transmitted be each base station may be orthogonal with the reference signals transmitted by each neighboring base station. The reference subframes may be transmitted periodically, and data subframes may be transmitted between reference subframes. Some or all of the data subframes may not include cell-specific reference symbols, as their function may be unnecessary given the use of the dedicated reference subframes.

公开(公告)号：US20200374769A1

公开(公告)日：2020-11-26

申请号：US16991814

申请日：2020-08-12

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Farouk Belghoul ,  Samy Khay-Ibbat ,  Sarma V. Vangala ,  Rafael L. Rivera-Barreto ,  David Boettger ,  Awais M. Hussain ,  Syed Aon Mujtaba

IPC: H04W36/00 ,  H04B17/336 ,  H04B17/382

Abstract: This disclosure relates to techniques for a link budget limited UE to improve communications performance with a cellular network. The UE may perform signal to interference noise ratio (SINR) measurements and use these measurements to adjust a received signal power value that is provided to the cellular network as a received signal power measurement. The UE may generate the received signal power value based at least in part on the SINR measurement in order to reduce the likelihood of handover when the UE has good SINR but poor received signal power. The UE may also provide preferred configuration information to the base station which enhances the performance of the UE when link budget limited. The configuration information may specify one or more parameter values designed to provide improved performance for a link budget limited device.

公开(公告)号：US20200245331A1

公开(公告)日：2020-07-30

申请号：US16850450

申请日：2020-04-16

Applicant: Apple Inc.

Inventor： Awais M. Hussain ,  Farouk Belghoul ,  Lydi Smaini

IPC: H04W72/04 ,  H04L5/00 ,  H04L1/08 ,  H04L1/00

Abstract: This disclosure relates to techniques for providing robust downlink control information with flexible resource assignments for wireless devices that operate in a restricted bandwidth compared to the system bandwidth. A base station may determine a resource assignment for a wireless device. The base station may transmit downlink control information to the wireless device. The downlink control information may include an indication of a resource assignment for the wireless device. The indication of the resource assignment may include an indication of a first narrowband associated with the resource assignment, and an indication of whether one or more additional narrowbands are associated with the resource assignment. The base station and the wireless device may communicate data according to the resource assignment.

公开(公告)号：US10693623B2

公开(公告)日：2020-06-23

申请号：US14496949

申请日：2014-09-25

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Farouk Belghoul ,  S. Aon Mujtaba ,  Dawei Zhang

IPC: H04J3/06 ,  H04L7/00 ,  H04L5/00 ,  H04L12/26

Abstract: This disclosure relates to using a dedicated reference subframes in a cellular communication system. According to one embodiment, a base station may transmit reference signals in a dedicated synchronization and measurement reference subframe. Neighboring base stations may also transmit reference signals in dedicated reference subframes in a temporally coordinated (synchronized) manner. The reference signals transmitted be each base station may be orthogonal with the reference signals transmitted by each neighboring base station. The reference subframes may be transmitted periodically, and data subframes may be transmitted between reference subframes. Some or all of the data subframes may not include cell-specific reference symbols, as their function may be unnecessary given the use of the dedicated reference subframes.

公开(公告)号：US10609615B2

公开(公告)日：2020-03-31

申请号：US15933837

申请日：2018-03-23

Applicant: Apple Inc.

Inventor： Farouk Belghoul ,  Tarik Tabet ,  Dawei Zhang

IPC: H04W36/22 ,  H04W36/14 ,  H04W36/32 ,  H04W36/00 ,  H04W84/04 ,  H04W84/12 ,  H04W88/06

Abstract: In at least some embodiments, a method, apparatus, and system for performing communication using a plurality of radio access technologies (RATs) including a cellular RAT and a short-range RAT. A mobile device may be configured to receive information regarding traffic steering, i.e., cellular/short-range RAT handover, from nearby short-range access points and/or from a cellular base station. The mobile device may generate or determine mobility information of the mobile device, which indicates an amount of movement of the mobile device. The mobile device may determine whether the mobile device should transition between the cellular RAT and the short-range RAT based at least in part on the traffic-steering information and the mobility information. The mobile device may selectively transition between the cellular RAT and the short-range RAT based on the determination.

公开(公告)号：US20200023413A1

公开(公告)日：2020-01-23

申请号：US16587200

申请日：2019-09-30

Applicant: Apple Inc.

Inventor： Farouk Belghoul ,  Lydi Smaini ,  Tarik Tabet ,  Syed Aon Mujtaba

IPC: B08B3/08 ,  H04W16/14 ,  H04W28/08 ,  H04W72/04 ,  B08B3/02 ,  B08B3/04 ,  F16H57/01 ,  G01N27/90 ,  H04W72/12

Abstract: A wireless communication device (UE) may monitor grants received from respective cells associated with one or more first (e.g. licensed) frequency band(s) and one or more second (e.g. unlicensed) frequency band(s). Based on the received grants the UE may determine if an imbalance exists in the radio resource allocation, whereby the UE communicates more than intended in the second frequency band(s). The imbalance may be specified with respect to the ratio or portion of the communications that are conducted in the second frequency band(s) with respect to all wireless communications of the UE. If the UE detects an imbalance, it may transmit a report to the network (e.g. to the base station serving the UE) indicating unfavorable conditions for the UE to be operating in the second frequency band(s). In response, the network may disable the respective cell(s) associated with the second frequency band(s) and/or it may disable carrier aggregation for the UE.

公开(公告)号：US10531307B2

公开(公告)日：2020-01-07

申请号：US15430664

申请日：2017-02-13

Applicant: Apple Inc.

Inventor： Farouk Belghoul ,  Lydi Smaini ,  Tarik Tabet ,  Syed Aon Mujtaba

IPC: H04W16/14 ,  H04W48/16 ,  H04W24/02 ,  H04W24/08 ,  H04W84/12

Abstract: A wireless communication device may conduct first wireless communications over a first frequency band according to a first radio access technology (RAT), and may detect second wireless communications conducted over the first frequency band according to a second RAT while the wireless communication device is conducting the first wireless communications. The wireless communication device may then adjust characteristics and/or parameters associated with the first wireless communications based on the detected second wireless communications. In a specific example, a wireless communication device conducting Wi-Fi communications in the 5 GHz band may detect cellular communications (e.g. LAA/LTE-U communications) also conducted in the 5 GHz band while the wireless communication device is conducting the Wi Fi communications. The wireless communication device may then adjust characteristics and/or parameters associated with its Wi-Fi communications based on the detected signals/frequencies of the cellular (LAA/LTE-U) communications.

公开(公告)号：US20200008007A1

公开(公告)日：2020-01-02

申请号：US16452600

申请日：2019-06-26

Applicant: Apple Inc.

Inventor： Farouk Belghoul ,  Cesar Perez ,  Rafael L. Rivera-Barreto

IPC: H04W4/021 ,  H04W8/00 ,  H04W4/50 ,  H04W8/08 ,  H04W24/08

Abstract: A device, e.g. a wireless communication device may obtain information associated with private cellular networks from a provisioning server. The information may provide an indication of coverage area(s) of available private cellular network(s). The device may communicate over a commercial cellular network, and determine, based at least on the information, whether the device is located within the coverage area of any available private cellular networks. The device may connect to a first private cellular network (FPCN) of the available private cellular networks and switch from communicating over the commercial cellular network to communicating over the FPCN at least in response to the determination indicating that the device is located within the indicated coverage area. The device may disconnect from the FPCN in response to a determination that the signal level of the FPCN is below a specified value and the device is not using a wallet garden application.