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公开(公告)号：US20140241232A1
公开(公告)日：2014-08-28
申请号：US14194496
申请日：2014-02-28
Applicant: Apple Inc.
Inventor： Navid Damji , Zhu Ji , Johnson O. Sebeni , Gaurav Nukala , Srinivasan Vasudevan
CPC classification number: H04L25/0226 , H04B17/309 , H04L25/0204 , H04W4/06
Abstract: Apparatus and methods for channel estimation in a Multimedia Broadcast Multicast Service (MBMS) Single Frequency Network (MBSFN) are disclosed. A representative method includes a wireless communication device receiving multiple frames, each frame including multiple subframes, each subframe including multiple symbols. The wireless communication device determines whether subframes include MBMS data or not. For subframes that include MBMS data, the wireless communication device excludes all or certain symbols of the subframes that include MBMS data from a channel estimation process. The wireless communication device determines whether the subframes include MBMS data based at least in part on a channel impulse response and/or a channel energy response for one or more symbols of the subframes.
Abstract translation: 公开了多媒体广播组播业务（MBMS）单频网（MBSFN）中信道估计的装置和方法。 代表性的方法包括接收多个帧的无线通信设备，每个帧包括多个子帧，每个子帧包括多个符号。 无线通信设备确定子帧是否包括MBMS数据。 对于包括MBMS数据的子帧，无线通信设备从信道估计处理中排除包括MBMS数据的子帧的全部或某些符号。 所述无线通信设备至少部分地基于所述子帧的一个或多个符号的信道脉冲响应和/或信道能量响应来确定所述子帧是否包括MBMS数据。
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公开(公告)号：US20140133329A1
公开(公告)日：2014-05-15
申请号：US14075816
申请日：2013-11-08
Applicant: Apple Inc.
Inventor： Zhu Ji , Navid Damji , Johnson Sebeni
IPC: H04W24/00
CPC classification number: H04L1/0023 , H04B7/065 , H04L1/0026 , H04L25/0204 , H04L25/0222 , H04L25/0224 , H04W24/10
Abstract: Aspects of the present invention provide apparatuses and methods for adaptive channel state feedback (CSF) estimation techniques. Downlink transmissions can be received at a mobile device. The downlink transmissions can be received after the mobile device has entered a power saving mode of operation. The downlink transmission received can be a discontinuous downlink subframe and can include one or more pilot symbols. A channel variation factor of the transmission channel can be determined based on the received downlink transmission. Based on the amount of variation of the transmission channel, either an earlier-received or a later-received pilot symbol can be used for CSF estimation. Further, either higher or lower weighted filter coefficients can be selected for use in CSF estimation based on the amount of variation of the transmission channel.
Abstract translation: 本发明的方面提供了用于自适应信道状态反馈（CSF）估计技术的装置和方法。 可以在移动设备处接收下行传输。 在移动设备进入省电操作模式之后，可以接收下行链路传输。 接收到的下行链路传输可以是不连续的下行链路子帧，并且可以包括一个或多个导频符号。 可以基于接收到的下行链路传输来确定传输信道的信道变化因子。 基于传输信道的变化量，先前接收的或稍后接收的导频符号可用于CSF估计。 此外，基于传输信道的变化量，可以选择较高或较低加权滤波器系数用于CSF估计。
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公开(公告)号：US11368913B2
公开(公告)日：2022-06-21
申请号：US16437127
申请日：2019-06-11
Applicant: Apple Inc.
Inventor： Sunny Arora , Rati Agrawal , Sami M. Almalfouh , Xiantao Sun , Johnson O. Sebeni , Wael S. Barakat , Navid Damji , Srinivas Pasupuleti , Raghuveer Mallikarjunan
Abstract: This disclosure relates to techniques for estimating baseband power consumption and using the baseband power consumption estimation to select baseband operation features. According to some embodiments, one or more baseband power consumption modifiers occurring during an estimation window may be identified. Baseband power consumption of the wireless device during the estimation window may be estimated based on the identified baseband power consumption modifiers occurring during the estimation window. Baseband data throughput of the wireless device during the estimation window may also be estimated. One or more baseband operation characteristics may be selected based at least in part on the estimated baseband power consumption during the estimation window, possibly in conjunction with the estimated baseband data throughput during the estimation window, current wireless medium conditions, and/or other considerations.
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公开(公告)号：US20190297569A1
公开(公告)日：2019-09-26
申请号：US16437127
申请日：2019-06-11
Applicant: Apple Inc.
Inventor： Sunny Arora , Rati Agrawal , Sami M. Almalfouh , Xiantao Sun , Johnson O. Sebeni , Wael S. Barakat , Navid Damji , Srinivas Pasupuleti , Raghuveer Mallikarjunan
Abstract: This disclosure relates to techniques for estimating baseband power consumption and using the baseband power consumption estimation to select baseband operation features. According to some embodiments, one or more baseband power consumption modifiers occurring during an estimation window may be identified. Baseband power consumption of the wireless device during the estimation window may be estimated based on the identified baseband power consumption modifiers occurring during the estimation window. Baseband data throughput of the wireless device during the estimation window may also be estimated. One or more baseband operation characteristics may be selected based at least in part on the estimated baseband power consumption during the estimation window, possibly in conjunction with the estimated baseband data throughput during the estimation window, current wireless medium conditions, and/or other considerations.
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公开(公告)号：US10206236B2
公开(公告)日：2019-02-12
申请号：US15391953
申请日：2016-12-28
Applicant: APPLE INC.
Inventor： Hsin-Yuo Liu , Ruben Caballero , Mohit Narang , Peter M. Agboh , Paul V. Flynn , Qiong Wu , Nicholas M. McDonnell , Navid Damji , Ming Hu , Wen Zhao
Abstract: A device and method selects an antenna configuration. The method performed at a user equipment includes determining at least one communication functionality that is being used, each communication functionality configured to utilize at least one antenna in a multi-antenna arrangement of the user equipment. The method includes receiving a first indication of whether a cellular communication functionality is being used, the cellular communication functionality configured to utilize at least one antenna in the multi-antenna arrangement. The method includes receiving a second indication of whether a coexistence condition is present. The method includes determining an antenna configuration for the multi-antenna arrangement to be used by the determined communication functionality based upon the determined communication functionality, the first indication, and the second indication. The method includes configuring the multi-antenna arrangement for the determined communication functionality based upon the antenna configuration.
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Patent Agency Ranking
96.发明授权公开(公告)号：US09854518B2
公开(公告)日：2017-12-26
申请号：US14498457
申请日：2014-09-26
Applicant: APPLE INC.
Inventor： Luciano Verger , Lalin Theverapperuma , Muhammad Alam , Giri Deivasigamani , Samy Khay-Ibbat , Srinivasan Vasudevan , Thanigaivelu Elangovan , Madhusudan Chaudhary , Navid Damji , Johnson Sebeni , Jianxiong Shi , Shivesh Makharia , Sree Kodali , Onur Tackin
CPC classification number: H04W52/0216 , G10L19/00 , H04L65/602 , H04W72/0413 , H04W72/1284 , H04W76/28 , Y02D70/1262 , Y02D70/23 , Y02D70/24
Abstract: A station that generates data packets to be transmitted by the station such that the data packets spend a minimum amount of time in a buffer prior to transmission. The method includes receiving a specification for a connected discontinuous reception (C-DRX) cycle, the specification indicating when a plurality of onDurations of the C-DRX cycle occurs, the onDurations having a predetermined interval therebetween, receiving data at a known time relative to the C-DRX cycle, determining a modification to a conversion process that converts the data to data packets such that the data packets are stored in a buffer at a subframe immediately preceding one of the onDurations subsequent to the known time, performing the conversion process based upon the modification and storing the data packets at the subframe immediately preceding the one of the onDurations. In one embodiment, the data is raw audio data and the data packets are audio packets.
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公开(公告)号：US09743452B2
公开(公告)日：2017-08-22
申请号：US14498861
申请日：2014-09-26
Applicant: Apple Inc.
Inventor： Li Su , Tarik Tabet , Navid Damji
CPC classification number: H04W76/16 , H04W72/042 , H04W88/06
Abstract: Methods, apparatuses and computer-readable media are described that configure wireless circuitry of a wireless device. The wireless device establishes a connection to a first wireless network using first and second receiving signaling chains. The wireless device obtains a configuration processing delay time for the first wireless network and sends a first channel status report having a rank indicator value of one before starting a tune-away event at a time based on the obtained configuration processing delay time. The wireless device reconfigures at least one of the radio frequency signaling chains to receive signals from a second wireless network during the tune-away event. The wireless device subsequently sends a second channel status report having a rank indicator value greater than one before ending the tune-away event and reconfiguring the at least one of the radio frequency receive signaling chains back to the first wireless network.
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98.发明授权Methods and apparatus for managing radio measurements during discontinuous reception 有权在不连续接收期间管理无线电测量的方法和装置公开(公告)号：US09572062B2
公开(公告)日：2017-02-14
申请号：US14733351
申请日：2015-06-08
Applicant: Apple Inc.
Inventor： Zhu Ji , Jason Shi , Johnson Sebeni , Navid Damji , Li Su
IPC: H04W24/10 , H04W52/02 , H04W24/08 , H04W76/04 , H04B17/309
CPC classification number: H04W24/10 , H04B17/309 , H04W24/08 , H04W52/02 , H04W52/0216 , H04W76/28 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264 , Y02D70/24 , Y02D70/25
Abstract: Methods and apparatus for managing radio measurements during discontinuous reception. In one exemplary embodiment, the distribution of Long Term Evolution (LTE) DRX measurements is staggered or distributed across multiple DRX cycles (which may be contiguous or non-contiguous) so as to reduce the transceiver activity and power consumption. The exemplary UE in one implementation only performs a subset of measurements during each DRX cycle. By staggering or distributing cell measurements over multiple DRX cycles, the UE can improve power consumption, while still conforming to measurement requirements.
Abstract translation: 在不连续接收期间管理无线电测量的方法和装置。 在一个示例性实施例中，长期演进（LTE）DRX测量的分布在多个DRX周期（其可以是连续的或不连续的）上交错或分布，以便减少收发器活动和功率消耗。 在一个实现中的示例性UE仅在每个DRX周期期间执行测量的子集。 通过在多个DRX周期上交错或分配小区测量，UE可以提高功耗，同时仍然符合测量要求。
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公开(公告)号：US09572059B2
公开(公告)日：2017-02-14
申请号：US13940154
申请日：2013-07-11
Applicant: Apple Inc.
Inventor： Tarik Tabet , Navid Damji , Sreevalsan Vallath , Sarma V. Vangala , Samy Khay-Ibbat
CPC classification number: H04W24/10 , H04B7/0626 , H04B7/063 , H04B7/0639 , H04L1/0026 , H04L1/0027 , H04W72/1215 , H04W72/1284
Abstract: A method for handling a missed rank report during a tune-away period is provided. The method can include a wireless communication device tuning away from a first network to a second network for a tune-away period; returning to the first network from the tune-away period; determining that a scheduled rank report was missed during the tune-away period; generating a Channel State Indicator (CSI) report based on a previously defined Rank Indicator (RI) value known to the first network in response to missing the scheduled rank report; and sending the CSI report to the first network.
Abstract translation: 提供了一种在调谐期间处理错过等级报告的方法。 该方法可以包括无线通信设备从远离第一网络调谐到第二网络以进行调谐时段; 从调离期回到第一个网络; 确定在调离期间错过了排期的报告; 基于先前定义的第一网络已知的秩响应（RI）值响应于丢失所述排列的报告而产生信道状态指示符（CSI）报告; 并将CSI报告发送到第一个网络。
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公开(公告)号：US09554302B2
公开(公告)日：2017-01-24
申请号：US14870293
申请日：2015-09-30
Applicant: Apple Inc.
Inventor： Samy Khay-Ibbat , Navid Damji , Sreevalsan Vallath , Sarma V. Vangala , Johnson O. Sebeni
CPC classification number: H04W28/0268 , H04W72/1236
Abstract: QoS based uplink data buffering while TTI bundling is enabled by a wireless user equipment (UE) device. The UE may establish a packet-switched connection with a network via a wireless link. The UE may receive, at a media access control (MAC) layer, an indication to enable TTI bundling. The UE may selectively buffer uplink data at an application layer based on the indication to enable TTI bundling. The uplink data may be buffered selectively based on Quality of Service (QoS) considerations. Uplink transmissions may subsequently be performed using TTI bundling.
Abstract translation: 基于QoS的上行链路数据缓冲，而TTI绑定由无线用户设备（UE）设备启用。 UE可以经由无线链路与网络建立分组交换连接。 在媒体接入控制（MAC）层，UE可以接收启用TTI绑定的指示。 基于用于启用TTI绑定的指示，UE可以选择性地缓冲应用层上的上行链路数据。 可以基于服务质量（QoS）考虑来选择性地缓冲上行链路数据。 随后可以使用TTI捆绑来执行上行链路传输。
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