公开(公告)号：US09807661B1

公开(公告)日：2017-10-31

申请号：US15174616

申请日：2016-06-06

Applicant: Apple Inc.

Inventor： Venkateswara Rao Manepalli ,  Vijay Kumar Ramamurthi ,  Srirang A. Lovlekar ,  Lakshmi N. Kavuri ,  Thanigaivelu Elangovan ,  Jianxiong Shi ,  Vijay Venkataraman ,  Madhusudan Chaudhary ,  Srinivasan Nimmala ,  Srinivas Burugupalli

IPC: H04W36/24 ,  H04W4/00 ,  H04W52/02

CPC classification number: H04W36/245 ,  H04W4/80 ,  H04W24/08 ,  H04W52/0258 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/166 ,  Y02D70/168 ,  Y02D70/24 ,  Y02D70/26

Abstract: This disclosure relates to cellular service recovery techniques using cell-specific cellular service history information for an accessory device. According to some embodiments, cellular service history information relating to cellular service loss occasions for each of one or more cells from which the accessory device has previously lost cellular service may be stored. It may be determined that cellular service loss is currently occurring from a cell for which cellular service history information relating to cellular service loss occasions is stored. Cellular service recovery may be attempted using the cellular service history information relating to cellular service loss occasions for the cell from which the current cellular service loss is occurring.

公开(公告)号：US09635616B2

公开(公告)日：2017-04-25

申请号：US15247570

申请日：2016-08-25

Applicant: Apple Inc.

Inventor： Shivesh Makharia ,  Sree Ram Kodali ,  Navid Damji ,  Thanigaivelu Elangovan ,  Luciano Verger ,  Madhusudan Chaudhary ,  Johnson O. Sebeni ,  Srinivasan Vasudevan ,  Samy Khay-Ibbat ,  Longda Xing ,  Jianxiong Shi

IPC: H04W52/02 ,  H04W76/04 ,  H04W72/04

CPC classification number: H04W52/028 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/04 ,  H04W72/0413 ,  H04W72/12 ,  H04W72/1289 ,  H04W76/28 ,  H04W88/02 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/168 ,  Y02D70/23 ,  Y02D70/24

Abstract: A connection with a network that includes a base station (BS) may be established by a user device (UE) via a wireless connection, for conducting communications using semi persistent scheduling (SPS) in a connected discontinuous reception (C-DRX) mode. The SPS transmit periodicity may be adjusted with respect to the SPS activation command and the SPS interval UL (for uplink). Data may then be transmitted during the C-DRX On-Duration periods according to the determined SPS transmit periodicity. In some embodiments, the SPS transmit periodicity is adjusted such that following a first C-DRX On-Duration period when an SPS activation command is received, SPS data transmission occurs a specified number of subframes earlier during each subsequent C-DRX On-Duration period than in the first C-DRX On-Duration period. The SPS data transmission in each subsequent C-DRX On-Duration period may take place as soon as the UE device wakes up during the On-Duration period.

公开(公告)号：US09526037B2

公开(公告)日：2016-12-20

申请号：US14168402

申请日：2014-01-30

Applicant: Apple Inc.

Inventor： Samy Khay-Ibbat ,  Sarma V. Vangala ,  Sreevalsan Vallath ,  Navid Damji ,  Luciano Miguel Verger ,  Srinivasan Vasudevan ,  Shivesh Makharia ,  Sree Ram Kodali ,  Madhusudan Chaudhary ,  Jianxiong Shi

IPC: H04W36/00 ,  H04L1/20 ,  H04L29/06 ,  H04J3/06 ,  H04W76/04

CPC classification number: H04W36/0022 ,  H04J3/0632 ,  H04L1/205 ,  H04L29/06027 ,  H04L29/06176 ,  H04L65/102 ,  H04W36/0066 ,  H04W76/22

Abstract: A method for providing indication of an SRVCC handover is disclosed. The method can include a first wireless communication device participating in a voice call with a second wireless communication device via a connection between the first wireless communication device and a first network. The method can further include the first wireless communication device determining a condition indicative of an impending SRVCC handover of the first wireless communication device from the first network to a legacy network. In response to the condition, the method can additionally include the first wireless communication device formatting a message including an indication that the first wireless communication device is going to perform the SRVCC handover and sending the message to the second wireless communication device prior to performance of the SRVCC handover.

Abstract translation: 公开了一种提供SRVCC切换指示的方法。 该方法可以包括经由第一无线通信设备和第一网络之间的连接与第二无线通信设备参与语音呼叫的第一无线通信设备。 该方法还可以包括第一无线通信设备确定指示第一无线通信设备从第一网络到遗留网络即将发生的SRVCC切换的条件。 响应于该条件，该方法可以另外包括第一无线通信设备格式化包括第一无线通信设备将要执行SRVCC切换的指示的消息，并且在执行所述第一无线通信设备之前将消息发送到第二无线通信设备 SRVCC切换。

公开(公告)号：US20160234791A1

公开(公告)日：2016-08-11

申请号：US15130648

申请日：2016-04-15

Applicant: APPLE INC.

Inventor： Johnson SEBENI ,  Yu-Lin Wang ,  Jianxiong Shi

IPC: H04W52/34 ,  H04W52/32 ,  H04W24/08

CPC classification number: H04W24/02 ,  H04L1/0002 ,  H04L1/0003 ,  H04L1/0015 ,  H04W24/08 ,  H04W52/241 ,  H04W52/245 ,  H04W52/325 ,  H04W52/343

Abstract: Methods and apparatus for correcting quantization errors in signal reception based on estimated network loading including solutions for preserving cellular network performance in low noise, high interference environments. In one embodiment, a data channel is amplified with respect to other signals based on network load during periods of relatively low network utilization. Dynamic modification of the data channel's power level is configured to overcome quantization errors, rather than the true noise floor (which is insignificant in low noise environments). Such solutions provide both the fidelity necessary to enable high degrees of unwanted signaling rejection, while still preserving data channel quality.

Abstract translation: 基于估计的网络负载来校正信号接收中的量化误差的方法和装置，包括用于在低噪声，高干扰环境中保持蜂窝网络性能的解决方案。 在一个实施例中，在相对低的网络利用期间，基于网络负载，数据信道相对于其他信号被放大。 配置数据通道功率电平的动态修改，以克服量化误差，而不是真实的噪声基底（这在低噪声环境中是无关紧要的）。 这样的解决方案提供了在保持数据信道质量的同时能够实现高度不需要的信令拒绝所必需的保真度。

公开(公告)号：US20160095021A1

公开(公告)日：2016-03-31

申请号：US14503229

申请日：2014-09-30

Applicant: Apple Inc.

Inventor： Yaoqi Yan ,  Qiang Miao ,  Jianxiong Shi ,  Wenping Lou ,  Zhiwei Wang ,  Li Su

IPC: H04W36/00 ,  H04W4/02

CPC classification number: H04W36/0022 ,  H04W4/029 ,  H04W36/0088

Abstract: A method, system, and apparatus are described for managing a device in a mixed wireless communication system. A device may decide to scan or not scan for a cell based on (or at least on) updating information. The updating information may be used together or individually. The updating information may be maintaining a time window in conjunction with a device's motion status, maintaining a list that tracks cell identity in areas of non-service, or utilizing network deployment information.

Abstract translation: 描述了用于管理混合无线通信系统中的设备的方法，系统和装置。 基于（或至少）更新信息，设备可以决定扫描或不扫描小区。 更新信息可以一起使用或单独使用。 更新信息可以与设备的运动状态一起保持时间窗口，维护在非服务区域中跟踪小区标识的列表，或者利用网络部署信息。

公开(公告)号：US20160029222A1

公开(公告)日：2016-01-28

申请号：US14795104

申请日：2015-07-09

Applicant: Apple Inc.

Inventor： Li Su ,  Jianxiong Shi ,  Johnson O. Sebeni

IPC: H04W16/14 ,  H04B1/3816 ,  H04W72/10 ,  H04L29/06 ,  H04W4/16

CPC classification number: H04W16/14 ,  H04B1/3816 ,  H04L65/1069 ,  H04W4/16 ,  H04W72/10 ,  H04W76/16 ,  H04W88/06

Abstract: A user equipment (UE) device may perform uplink (UL) data communication using a first radio access technology (RAT) while performing an UL voice call communication using a second RAT. The UL data communication may be supported by a first subscriber identity module (SIM) and the UL packet switched voice call communication may be supported by a second SIM. The UL voice call communication may be a packet switched communication. The communications may be performed by a radio(s) of the UE. The radio(s) may include shared physical layer resources that are shared between the UL data and UL voice communications. The UE may also include a single transmitter that may be shared between the UL data and UL packet voice communications and the UL data communication may use a first portion of the single transmitter's TTI and the UL voice communication may use a second portion of the single transmitter's TTI.

Abstract translation: 用户设备（UE）设备可以使用第一无线电接入技术（RAT）执行上行链路（UL）数据通信，同时使用第二RAT执行UL语音呼叫通信。 UL数据通信可以由第一用户身份模块（SIM）支持，并且UL分组交换语音呼叫通信可以由第二SIM来支持。 UL语音呼叫通信可以是分组交换通信。 通信可以由UE的无线电来执行。 无线电装置可以包括在UL数据和UL语音通信之间共享的共享物理层资源。 UE还可以包括可以在UL数据和UL分组语音通信之间共享的单个发射机，并且UL数据通信可以使用单个发射机的TTI的第一部分，并且UL语音通信可以使用单个发射机的第二部分 TTI。

公开(公告)号：US20150312807A1

公开(公告)日：2015-10-29

申请号：US14288895

申请日：2014-05-28

Applicant: Apple Inc.

Inventor： Xiao Nie ,  Yaoqi Yan ,  Wanping Zhang ,  Qiang Miao ,  Jianxiong Shi

IPC: H04W36/00

CPC classification number: H04W36/0083 ,  H04W36/14

Abstract: Transitioning a UE from a first RAT to a third RAT in an area having a first RAT, a second RAT, and a third RAT. The first RAT may be a second generation RAT, the second RAT may be a third generation RAT, and the third RAT may be a fourth generation RAT. The network of the first RAT may not provide information (e.g., a neighbor list) for the third RAT. The UE may use information to perform measurement of one or more base stations of the third RAT without attaching to the second RAT. For example, the UE may use pre-stored information to perform measurement of the third RAT. Alternatively, or additionally, the UE may receive the information (e.g., from a system information block) from the second RAT without attaching to the second RAT.

Abstract translation: 在具有第一RAT，第二RAT和第三RAT的区域中将UE从第一RAT切换到第三RAT。 第一RAT可以是第二代RAT，第二RAT可以是第三代RAT，并且第三RAT可以是第四代RAT。 第一RAT的网络可能不提供第三RAT的信息（例如，邻居列表）。 UE可以使用信息来执行第三RAT的一个或多个基站的测量，而不附加到第二RAT。 例如，UE可以使用预先存储的信息来执行第三RAT的测量。 或者或另外，UE可以从第二RAT接收信息（例如，来自系统信息块），而不附加到第二RAT。

公开(公告)号：US20150312408A1

公开(公告)日：2015-10-29

申请号：US14297113

申请日：2014-06-05

Applicant: Apple Inc.

Inventor： Jianxiong Shi ,  Li Su

IPC: H04M3/428

CPC classification number: H04M3/4283 ,  H04M7/0024 ,  H04M2207/185 ,  H04W4/16 ,  H04W8/183 ,  H04W52/0229 ,  H04W76/15 ,  H04W76/16 ,  H04W88/06 ,  Y02D70/00 ,  Y02D70/1224 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/168 ,  Y02D70/23 ,  Y02D70/24 ,  Y02D70/25 ,  Y02D70/26

Abstract: Performing data communications by a Dual SIM Dual Active (DSDA) user equipment (UE), while simultaneously conducting two concurrent voice calls. The UE may receive a request to perform data communications while conducting a first voice call on a first radio and concurrently conducting a second voice call on a second radio. The UE may then determine whether one of the voice calls is currently on hold. The UE may perform the data communications using the radio on which the held call is being conducted. The UE may therefore dynamically select available slots from the first radio and the second radio for performing the data communication, based on which of the first radio and the second radio has a voice call that is currently on hold. In some embodiments, the data communications may be performed using a Long Term Evolution (LTE) protocol stack.

Abstract translation: 通过双SIM双重主动（DSDA）用户设备（UE）执行数据通信，同时进行两个并发语音呼叫。 UE可以在第一无线电上进行第一语音呼叫并在第二无线电上同时进行第二语音呼叫时接收执行数据通信的请求。 然后，UE可以确定语音呼叫中的一个当前是否处于保持状态。 UE可以使用正在进行保持呼叫的无线电进行数据通信。 因此，UE可以基于第一无线电和第二无线电中的哪一个具有当前处于保持的语音呼叫来动态地选择来自第一无线电和第二无线电的执行数据通信的可用时隙。 在一些实施例中，可以使用长期演进（LTE）协议​​栈来执行数据通信。

公开(公告)号：US20140073365A1

公开(公告)日：2014-03-13

申请号：US13622158

申请日：2012-09-18

Applicant: APPLE INC.

Inventor： Anish K. Goyal ,  Thanigaivelu Elangovan ,  Li Su ,  Jianxiong Shi

IPC: H04W68/00 ,  H04W4/14

CPC classification number: H04W4/14 ,  H04W4/16 ,  H04W68/005 ,  H04W76/34

Abstract: Performing wireless communication by a user equipment (UE) device communicating with a first wireless network and a second wireless network using a single radio. The UE device may receive a page message directed to the UE device from the first wireless network. In response to receiving the page message, the UE device may provide an extended service request (ESR) message to the second wireless network. After providing the ESR message, the UE device may respond to the page message on the first wireless network.

Abstract translation: 由使用单个无线电的第一无线网络和第二无线网络进行通信的用户设备（UE）进行无线通信。 UE设备可以从第一无线网络接收指向UE设备的寻呼消息。 响应于接收到寻呼消息，UE设备可以向第二无线网络提供扩展服务请求（ESR）消息。 在提供ESR消息之后，UE设备可以响应第一无线网络上的寻呼消息。

公开(公告)号：US20230043319A1

公开(公告)日：2023-02-09

申请号：US17384617

申请日：2021-07-23

Applicant: Apple Inc.

Inventor： Zhu Ji ,  Jianxiong Shi ,  Miao Yao

IPC: H04W56/00 ,  H04J13/00 ,  H04L27/26

Abstract: In an example method, a first device determines a first Zadoff-Chu sequence having a first root value, and a second Zadoff-Chu sequence having a second root value, where the first root value is an inverse modulus of the first root value. Further, the first device generates a wireless signal including (i) a first preamble generated based, at least in part, on the first Zadoff-Chu sequence, (ii) a second preamble generated based, at least in part, on the second Zadoff-Chu sequence, and (iii) a payload. Further, the first device transmits the wireless signal from the first device to a second device.