公开(公告)号：US09578648B2

公开(公告)日：2017-02-21

申请号：US15099927

申请日：2016-04-15

Applicant: APPLE INC.

Inventor： Ajoy K. Singh ,  Tarik Tabet ,  Sarma V. Vangala

IPC: H04W4/00 ,  H04W72/10 ,  H04W72/02 ,  H04W16/32 ,  H04W72/12 ,  H04W92/20

CPC classification number: H04W72/10 ,  H04W16/32 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/1231 ,  H04W72/1242 ,  H04W76/15 ,  H04W92/20

Abstract: Described herein are systems and methods to enhance radio link performance in a multi-carrier environment. A method may comprise sending, by an upper level layer of a wireless device, user data in a packet for transmission, wherein the packet includes an indication of a level of priority of the packet, receiving, by a media access control (“MAC”) layer of the wireless device, the packet for transmission including the indication of the level of priority provided by the upper level layer, identifying, by the MAC layer, a reliability of each of a plurality of component carriers, and selecting, by the MAC layer, one of the component carriers on which to transmit the packet, wherein the selecting is based on the level of priority of the packet and the reliability of the one of the component carriers.

Abstract translation: 这里描述了在多载波环境中增强无线电链路性能的系统和方法。 一种方法可以包括由无线设备的上层层发送用于传输的分组中的用户数据，其中分组包括分组的优先级的指示，通过媒体访问控制（“MAC” ）层，所述用于传输的分组包括由所述上层提供的优先级的指示，由所述MAC层识别多个分量载波中的每一个的可靠性，并且由所述MAC 层，其上传送分组的分量载波之一，其中选择是基于分组的优先级和分量载波之一的可靠性。

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

IPC: H04W24/10 ,  H04W72/12 ,  H04B7/06 ,  H04L1/00

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。

公开(公告)号：US09560588B2

公开(公告)日：2017-01-31

申请号：US14531646

申请日：2014-11-03

Applicant: Apple Inc.

Inventor： Moustafa M. Elsayed ,  Tarik Tabet ,  Konstantinos Sarrigeorgidis

IPC: H04B1/38 ,  H04W52/02 ,  H04W72/04

CPC classification number: H04W72/042 ,  H04W52/0209 ,  H04W52/0229 ,  H04W52/52 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/168 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/26

Abstract: An apparatus, system, and method for performing PDCCH preparation in RF circuitry are described. In one embodiment, power may be provided to a crystal oscillator to exit a first sleep state. One or more clocking signals may be provided to RF circuitry based on output from the crystal oscillator. Calibration and state restoration of the RF circuitry may be performed independent of baseband circuitry. A plurality of algorithms to prepare for receiving data form a wireless communication network may be performed independent of the baseband circuitry. After initiating the plurality of algorithms, state restoration of the baseband circuitry may be performed. Data may be received from a wireless communication network using the RF circuitry. The data may be processed using the baseband circuitry. State retention for the RF circuitry and the baseband circuitry may be performed. Finally, the crystal oscillator may be powered down to enter a second sleep state.

Abstract translation: 描述了用于在RF电路中执行PDCCH准备的装置，系统和方法。 在一个实施例中，可以向晶体振荡器提供功率以退出第一睡眠状态。 可以基于晶体振荡器的输出向RF电路提供一个或多个时钟信号。 可以独立于基带电路来执行RF电路的校准和状态恢复。 可以独立于基带电路来执行用于准备从无线通信网络接收数据的多个算法。 在启动多个算法之后，可以执行基带电路的状态恢复。 可以使用RF电路从无线通信网络接收数据。 可以使用基带电路来处理数据。 可以执行RF电路和基带电路的状态保持。 最后，晶体振荡器可以掉电进入第二个睡眠状态。

公开(公告)号：US09526112B2

公开(公告)日：2016-12-20

申请号：US14500917

申请日：2014-09-29

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Vinay R. Majjigi ,  Christian W. Mucke ,  Syed A. Mujtaba

IPC: H04W72/12 ,  H04W28/02 ,  H04L5/00

CPC classification number: H04W72/1289 ,  H04L5/0044 ,  H04L5/0053 ,  H04W28/0221 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/166 ,  Y02D70/22 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/26

Abstract: The disclosure describes apparatus and methods for including downlink control information (DCI) normally associated with the physical downlink control channel (PDCCH) within a physical downlink shared channel (PDSCH) to reduce power consumption for a user equipment (UE) operating in a Long Term Evolution (LTE) radio resource control (RRC) connected mode. An enhanced NodeB base station can be configured to generate DCI associated with a future downlink resource assignment or uplink grant for the UE on the PDSCH or a physical uplink shared channel (PUSCH), and then include this DCI within the payload of a current PDSCH communication, such that the PDCCH does not need to be decoded by the UE during a time when DCI for future PDSCH communication is included within a current PDSCH.

Abstract translation: 本公开描述了用于将通常与物理下行链路控制信道（PDCCH）相关联的下行链路控制信息（DCI）包括在物理下行链路共享信道（PDSCH）内的装置和方法，以减少用于长期运行的用户设备（UE）的功耗 演进（LTE）无线电资源控制（RRC）连接模式。 增强型NodeB基站可以被配置为在PDSCH或物理上行链路共享信道（PUSCH）上生成与UE的未来下行链路资源分配或上行链路许可相关联的DCI，然后将该DCI包括在当前PDSCH通信的有效载荷内 ，使得在用于将来的PDSCH通信的DCI被包括在当前PDSCH内的时间期间，PDCCH不需要被UE解码。

公开(公告)号：US20160295558A1

公开(公告)日：2016-10-06

申请号：US15076967

申请日：2016-03-22

Applicant: Apple Inc.

Inventor： Awais M. Hussain ,  Tarik Tabet ,  Syed Aon Mujtaba

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/0053

Abstract: This disclosure relates to techniques for transmitting and receiving control information in the common search space on an enhanced physical downlink control channel (EPDCCH). According to some embodiments, a cellular base station may allocate some resource blocks of a subframe as the EPDCCH. The cellular base station may provide control information on a common search space in the EPDCCH for wireless user equipment (UE) devices in the cell provided by the cellular base station during a subframe. A UE device may monitor the EPDCCH to determine whether any indication on the common search space decodable by the UE device is contained in the EPDCCH, and may decode such information if present.

Abstract translation: 本公开涉及在增强物理下行链路控制信道（EPDCCH）上在公共搜索空间中发送和接收控制信息的技术。 根据一些实施例，蜂窝基站可以将子帧的一些资源块分配为EPDCCH。 蜂窝基站可以在子帧期间由蜂窝基站提供的小区中的无线用户设备（UE）设备的EPDCCH中的公共搜索空间提供控​​制信息。 UE设备可以监视EPDCCH以确定在EPDCCH中是否包含由UE设备解码的公共搜索空间上的任何指示，并且如果存在则可以解码该信息。

公开(公告)号：US09356808B2

公开(公告)日：2016-05-31

申请号：US14496969

申请日：2014-09-25

Applicant: APPLE INC.

Inventor： Navid Damji ,  Tarik Tabet ,  Johnson Sebeni ,  Syed Aon Mujtaba

IPC: H04W52/02 ,  H04L5/00 ,  H04L25/02

CPC classification number: H04L25/0228 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/024 ,  H04W52/0229 ,  H04W52/0245 ,  Y02D70/1262 ,  Y02D70/23

Abstract: A station performing a method to toggle a channel estimation setting between a full channel estimation that includes estimating the channel based upon a predetermined number of received reference symbols prior to a current subframe and a partial channel estimation that includes estimating the channel based upon a subset of the predetermined number of received reference symbols. The method includes changing the setting from full to partial when a predetermined number of consecutive subframes immediately prior to the current subframe had no downlink allocated and a reliability value indicates that control signals are capable of being reliably received. The method also includes changing the setting from partial to full when the current subframe had a downlink allocated thereto or the reliability value indicates that the control signals are incapable of being received to estimate the channel using the partial channel estimation.

Abstract translation: 一种执行在全信道估计之间切换信道估计设置的方法，该全信道估计包括基于在当前子帧之前的预定数目的接收参考符号来估计信道，以及包括基于子信道估计的子信道估计信道 接收到的参考符号的预定数量。 该方法包括当紧接当前子帧之前的预定数量的连续子帧没有下行链路被分配并且可靠性值指示控制信号能够被可靠地接收时，将设置从全部改变为部分。 该方法还包括当当前子帧具有下行链路分配时将设置从部分改变为全部，或者可靠性值指示控制信号不能被接收以使用部分信道估计来估计信道。

公开(公告)号：US09356679B2

公开(公告)日：2016-05-31

申请号：US14551733

申请日：2014-11-24

Applicant: APPLE INC.

Inventor： Syed Aon Mujtaba ,  Xiaowen Wang ,  Tarik Tabet ,  Kee-Bong Song ,  Youngjae Kim ,  Yuchul Kim

IPC: H04B7/08 ,  H04W52/02 ,  H04B1/18

CPC classification number: H04B7/0814 ,  H04B7/0817 ,  H04B7/0871 ,  H04W52/0209 ,  Y02D70/1262 ,  Y02D70/444

Abstract: Apparatus and methods for implementing “intelligent” receive diversity management in e.g., a mobile device. In one implementation, the mobile device includes an LTE-enabled UE, and the intelligent diversity management includes selectively disabling receive diversity (RxD) in that device upon meeting a plurality of criteria including (i) a capacity criterion, and (ii) a connectivity criterion. In one variant, the capacity criterion includes ensuring that an achievable data rate associated with a single Rx (receive) chain is comparable to that with RxD.

Abstract translation: 在例如移动设备中实现“智能”接收分集管理的装置和方法。 在一个实现中，移动设备包括启用LTE的UE，并且智能分集管理包括在满足多个标准时选择性地禁用该设备中的接收分集（RxD），包括（i）容量标准，和（ii）连接 标准。 在一个变型中，容量标准包括确保与单个Rx（接收）链相关联的可实现的数据速率与RxD的数据速率相当。

公开(公告)号：US20160150506A1

公开(公告)日：2016-05-26

申请号：US14865395

申请日：2015-09-25

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Awais M. Hussain ,  Samy Khay-Ibbat ,  Sarma V. Vangala ,  Rafael L. Rivera-Barreto

IPC: H04W72/04 ,  H04W48/20

CPC classification number: H04W72/042 ,  H04W48/12 ,  H04W48/20

Abstract: Techniques are disclosed relating to broadcasting and receiving system information in a radio access network (RAN). In one embodiment, a base station includes at least one antenna, at least one radio, configured to perform cellular communication using a radio access technology (RAT), and one or more processors coupled to the radio. In this embodiment, the base station is configured to broadcast first system information blocks (SIBs) encoded using a first coding rate and a first identifier. In this embodiment, the base station is also configured to broadcast second SIBs encoded using a second coding rate that is lower than the first coding rate and a second identifier. In this embodiment, the second SIBs include only a portion of the information included in the first SIBs and the second SIBs are usable by user equipment devices (UEs) having a limited link budget to determine access parameters for the base station.

Abstract translation: 公开了关于无线电接入网络（RAN）中的广播和接收系统信息的技术。 在一个实施例中，基站包括至少一个天线，至少一个无线电，其被配置为使用无线电接入技术（RAT）执行蜂窝通信，以及耦合到无线电的一个或多个处理器。 在本实施例中，基站被配置为广播使用第一编码率和第一标识符编码的第一系统信息块（SIB）。 在本实施例中，基站还被配置为广播使用低于第一编码率的第二编码率编码的第二SIB和第二标识符。 在该实施例中，第二SIB仅包括第一SIB中包括的信息的一部分，并且第二SIB可由具有有限链路预算的用户设备设备（UE）使用，以确定基站的接入参数。

公开(公告)号：US20160112181A1

公开(公告)日：2016-04-21

申请号：US14867089

申请日：2015-09-28

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Syed Aon Mujtaba

IPC: H04L5/16 ,  H04W76/04 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00

CPC classification number: H04L1/1812 ,  H04L1/1822 ,  H04L1/1825 ,  H04L1/1854 ,  H04L1/1896 ,  H04L5/0055 ,  H04L5/006 ,  H04L5/16 ,  H04W72/0413 ,  H04W72/042 ,  H04W76/28 ,  H04W88/08

Abstract: A user equipment (UE) implements improved communication methods which enable uplink (UL) transmissions consistent with an UL timeline. The UE may have a transmit duty cycle and may transmit acknowledge/negative acknowledge messages to a base station according to the transmit duty cycle. Additionally, the UE may be configured to determine signal-to-interference-plus noise ratio (SINR) between the UE and the base station and compare SINR to a threshold. The UE may transmit redundancy versions of data in consecutive sub-frames with a duty cycle of two transmissions per X+1 sub-frames if SINR is equal or above the threshold and redundancy versions using a duty cycle of one transmission per X sub-frames if SINR is below the threshold. Further, the UE may be configured to communicate a number of UL HARQ processes supported by the UE, receive first information in a first sub-frame, and send second information X sub-frames after the first sub-frame.

Abstract translation: 用户设备（UE）实现改进的通信方法，其使能与UL时间线一致的上行链路（UL）传输。 UE可以具有发射占空比，并且可以根据发射占空比向基站发送确认/否定确认消息。 另外，UE可以被配置为确定UE与基站之间的信号与干扰加噪声比（SINR），并将SINR与阈值进行比较。 如果SINR等于或高于阈值，则UE可以以每X + 1个子帧的两次传输的占空比在连续子帧中传输数据的冗余版本，并且使用每X个子帧的一个传输的占空比的冗余版本 如果SINR低于阈值。 此外，UE可以被配置为传送由UE支持的多个UL HARQ进程，在第一子帧中接收第一信息，并且在第一子帧之后发送第二信息X子帧。

公开(公告)号：US09253238B2

公开(公告)日：2016-02-02

申请号：US14042500

申请日：2013-09-30

Applicant: Apple Inc.

Inventor： Samy Khay-Ibbat ,  Sarma V. Vangala ,  Sreevalsan Vallath ,  Tarik Tabet

IPC: H04L29/06 ,  H04W24/08 ,  H04W28/02 ,  H04L12/811

CPC classification number: H04L47/38 ,  H04L65/601 ,  H04L65/602 ,  H04L65/604 ,  H04L65/608 ,  H04L65/80 ,  H04W24/08 ,  H04W28/0236

Abstract: A method for initiating a codec rate change during a VoIP call by a wireless communication device is disclosed. The method can include the wireless communication device establishing a first codec rate for use in the VoIP call during a call establishment phase; using the first codec rate to encode voice data for transmission during a first portion of the VoIP call; determining a channel quality while using the first codec rate; determining that the channel quality satisfies a threshold for requesting a codec rate change; requesting a codec rate change from the first codec rate to a second codec rate in response to the channel quality satisfying the threshold; and using the second codec rate to encode voice data for transmission during a second portion of the VoIP call.

Abstract translation: 公开了一种用于在由无线通信设备进行的VoIP呼叫期间发起编解码器速率改变的方法。 该方法可以包括无线通信设备在呼叫建立阶段建立用于VoIP呼叫的第一编解码器速率; 使用第一编解码器速率来编码在VoIP呼叫的第一部分期间传输的语音数据; 在使用第一编解码器速率的同时确定信道质量; 确定信道质量满足用于请求编解码器速率改变的阈值; 响应于满足阈值的信道质量，请求从第一编解码器速率向第二编解码速率改变编解码器速率; 以及使用第二编解码速率来编码语音数据以在VoIP呼叫的第二部分期间进行传输。