公开(公告)号：US10334611B2

公开(公告)日：2019-06-25

申请号：US15612726

申请日：2017-06-02

Applicant: APPLE INC.

Inventor： Vijay Kumar Ramamurthi ,  Vijay Venkataraman ,  Swaminathan Balakrishnan ,  Tarik Tabet ,  Sarma Vangala ,  Sree Ram Kodali ,  Rafael Rivera-Barreto ,  Samy Khay-Ibbat

IPC: H04B17/309 ,  H04W52/36 ,  H04W52/24 ,  H04W72/08 ,  H04L5/00

Abstract: Described is a user equipment (UE) that is connected to a network component, the user equipment and the network component configured with a carrier aggregation functionality. The UE performs a method that includes determining a primary component carrier and at least one secondary component carrier associated with the carrier aggregation functionality of the user equipment, determining a component carrier quality measurement (CQM) metric for each of the component carriers, when an uplink data packet is capable of being transmitted over the secondary component carrier, selecting one of the primary component carrier and the at least one secondary component carrier based on the CQM metrics, generating measurement data indicative of the selected component carrier to increase a probability to transmit the uplink data packet over the selected component carrier and transmitting the measurement data to the network component.

公开(公告)号：US20180376004A1

公开(公告)日：2018-12-27

申请号：US15941148

申请日：2018-03-30

Applicant: Apple Inc.

Inventor： Sree Ram Kodali ,  Mohan Rao Thota ,  Manish G. Vemulapalli

IPC: H04M7/00 ,  H04W24/08

Abstract: This disclosure relates to techniques for codec selection for voice calls. A wireless device may initiate a voice call and may determine one or more link quality indicators. Based at least in part on the one or more link quality indicators, the wireless device may select a codec for the voice call.

公开(公告)号：US20180270703A1

公开(公告)日：2018-09-20

申请号：US15987240

申请日：2018-05-23

Applicant: Apple Inc.

Inventor： Sree Ram Kodali ,  Xu Ou ,  Ashwini Raina

IPC: H04W28/02 ,  H04W24/08 ,  H04W28/14

CPC classification number: H04W28/0278 ,  H04W24/08 ,  H04W28/0252 ,  H04W28/14

Abstract: This disclosure relates to techniques for a wireless device to report uncategorized data in a buffer status report. A first portion of buffered uplink data to be reported in a buffer status report may be categorized using a traffic flow template. A second portion of buffered uplink data to be reported in the buffer status report may not be categorized using the traffic flow template. A buffer status report indicating both the categorized and the uncategorized buffered uplink data may be transmitted to a base station providing a serving cell to the wireless device. According to some embodiments, the categorized buffered uplink data may be stored in a baseband processor buffer of the wireless device, while the uncategorized buffered uplink data may be stored in an application processor buffer of the wireless device.

公开(公告)号：US09974109B2

公开(公告)日：2018-05-15

申请号：US14171611

申请日：2014-02-03

Applicant: Apple Inc.

Inventor： Shivesh Makharia ,  Sree Ram Kodali ,  Longda Xing ,  Jianxiong Shi

IPC: H04W36/00 ,  H04W76/04 ,  H04W48/20

CPC classification number: H04W76/28 ,  H04W48/20

Abstract: A wireless communication system is presented in which user equipment (UE) performs non-intra-frequency (NIF) cell reselection. The NIF cell reselection process can: detect, on a discontinues reception (DRX) cycle, whether a NIF for a second cell has passed a second reselection threshold; perform, on the DRX cycle, additional checks or measurements to determine whether a higher priority NIF for a third cell has passed a third reselection threshold; and continue a cell reselection process for the second cell and the third cell. The NIF cell reselection techniques can help ensure that the UE reselects to higher priority cells without expending an unnecessary amount power.

公开(公告)号：US09596638B2

公开(公告)日：2017-03-14

申请号：US14871493

申请日：2015-09-30

Applicant: APPLE INC.

Inventor： Navid Damji ,  Shivesh Makharia ,  Luciano M. Verger ,  Samy Khay-Ibbat ,  Johnson O. Sebeni ,  Sree Ram Kodali ,  Sreevalsan Vallath

IPC: H04B17/00 ,  H04W36/30 ,  H04L1/00 ,  H04W28/22 ,  H04L1/18 ,  H04W36/00 ,  H04W36/14 ,  H04W88/06 ,  H04W72/12

CPC classification number: H04W36/30 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/0036 ,  H04L1/1812 ,  H04L1/203 ,  H04W28/22 ,  H04W36/0022 ,  H04W36/14 ,  H04W72/1284 ,  H04W88/06

Abstract: Apparatus, system and methods for evaluating link quality within a cellular system. A user equipment (“UE”) is connected to a network, wherein the UE communicates data to the network on an uplink (“UL”) link. The UE determines a requested buffer size for a UL communication, determines a transport block size for the UL communication based on a primary set of allocation parameters, and compares the requested buffer size to the transport block size to determine if a data rate for the UL communication satisfies a threshold. When the data rate satisfies the threshold, the UE identifies the UL link as a good quality link and sends acceptable link quality feedback to the network. When the data rate does not satisfy the threshold, the UE performs a further action to test a quality of the UL link.

Abstract translation: 用于评估蜂窝系统内的链路质量的装置，系统和方法。 用户设备（“UE”）连接到网络，其中UE在上行链路（“UL”）链路上向网络传送数据。 UE确定用于UL通信的所请求的缓冲器大小，基于一组分配参数确定用于UL通信的传输块大小，并将所请求的缓冲器大小与传输块大小进行比较，以确定UL的数据速率 通信满足阈值。 当数据速率满足阈值时，UE将UL链路识别为良好的质量链路，并向网络发送可接受的链路质量反馈。 当数据速率不满足阈值时，UE执行进一步的动作来测试UL链路的质量。

公开(公告)号：US20160366641A1

公开(公告)日：2016-12-15

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 ,  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.

Abstract translation: 与包括基站（BS）的网络的连接可以由用户设备（UE）经由无线连接建立，用于使用在连续的不连续接收（C-DRX）模式中的半永久调度（SPS）进行通信。 可以相对于SPS激活命令和SPS间隔UL（对于上行链路）来调整SPS发送周期。 然后可以根据所确定的SPS发送周期在C-DRX持续时间周期期间发送数据。 在一些实施例中，调整SPS发送周期，使得在接收到SPS激活命令之后的第一C-DRX持续时间周期之后，SPS数据传输在每个随后的C-DRX持续时间段期间发生特定数量的子帧 比在第一个C-DRX持续时间段。 一旦UE设备在持续时间期间唤醒，可以在每个随后的C-DRX持续时间段中的SPS数据传输发生。

公开(公告)号：US09479315B2

公开(公告)日：2016-10-25

申请号：US14503230

申请日：2014-09-30

Applicant: APPLE INC.

Inventor： Samy Khay-Ibbat ,  Tarik Tabet ,  Sarma V. Vangala ,  Swaminathan Balakrishnan ,  Rafael L. Rivera-Barreto ,  Sree Ram Kodali

IPC: H04L5/00 ,  H04W76/04

CPC classification number: H04L5/0057 ,  H04L5/001 ,  H04W72/1268 ,  H04W76/28 ,  H04W84/042 ,  H04W88/02

Abstract: Methods that are performed by a user equipment (UE) and corresponding methods of base stations that allow a UE to determine whether the UE is in a carrier aggregation enabled or disabled state. One exemplary embodiment of a method performed by a UE determines a first artificial value for a first parameter and a second artificial value for a power headroom (PHR) for a secondary component carrier (SCC), the first and second artificial values being substantially low relative to a configuration of the network, generates an artificial report including the first and second artificial values, transmits the artificial report to a primary cell providing a primary component carrier (PCC) and receives an indication that the UE is placed in a carrier aggregation disabled state.

Abstract translation: 由用户设备（UE）执行的方法和允许UE确定UE是否处于承载聚合启用或禁用状态的基站的相应方法。 由UE执行的方法的一个示例性实施例为次要分量载波（SCC）的功率余量（PHR）确定第一参数的第一人造值和第二人造值，第一和第二人造值相对较低 对于网络的配置，生成包含第一人造值和第二人工值的人工报告，将人工报告发送给提供主要分量载波（PCC）的主小区，并且接收到UE处于载波聚合禁止状态的指示 。

公开(公告)号：US09294974B2

公开(公告)日：2016-03-22

申请号：US14291777

申请日：2014-05-30

Applicant: Apple Inc.

Inventor： Sree Ram Kodali ,  Jianxiong Shi ,  Jinghua Ling ,  Longda Xing ,  Madhusudan Chaudhary ,  Navid Damji ,  Sai Sravan Bharadwaj Karri ,  Shivesh Makharia

IPC: H04W36/00 ,  H04W48/16 ,  H04W76/04

CPC classification number: H04W48/16 ,  H04W76/28

Abstract: Adjusting search and measurement periodicity based on device motion. A wireless device may camp on a serving cell. Signal strength, signal quality, and signal to noise ratio of the serving cell may be measured. If each is above a respective threshold, and if the wireless device is stationary, the periodicities at which searches and neighbor cell measurements are performed may be adjusted (e.g., increased) from baseline periodicities.

Abstract translation: 基于设备运动调整搜索和测量周期。 无线设备可以驻留在服务小区上。 可以测量服务小区的信号强度，信号质量和信噪比。 如果每个高于相应的阈值，并且如果无线设备是静止的，则可以从基线周期性调整（例如，增加）搜索和相邻小区测量的周期。

公开(公告)号：US20160057667A1

公开(公告)日：2016-02-25

申请号：US14930976

申请日：2015-11-03

Applicant: Apple Inc.

Inventor： Bharath Narasimha Rao ,  Sree Ram Kodali ,  Srinivas Pasupuleti ,  Sachin Sane ,  Aravind Radhakrishnan ,  Naveen Rawat

IPC: H04W36/00 ,  H04W28/08 ,  H04W36/32

CPC classification number: H04W36/0083 ,  H04W28/08 ,  H04W36/32 ,  H04W74/0833 ,  H04W76/18

Abstract: Throttling of transition attempts to connected mode based on user context. A wireless device may camp on a serving cell. A motion state of the wireless device may be monitored. One or more connected mode transition procedures on the serving cell may be attempted. If at least a threshold number of connected mode transition procedures fail on the serving cell while the wireless device is stationary, further connected mode transition attempts may be throttled for up to a certain amount of time. Alternatively, or in addition, the wireless device may bar itself from camping on that cell for up to a certain amount of time. Either or both of throttling connected mode transition attempts or barring cells may also be based on other aspects of user context, such as display state.

公开(公告)号：US09179355B2

公开(公告)日：2015-11-03

申请号：US14150928

申请日：2014-01-09

Applicant: Apple Inc.

Inventor： Tarik Tabet ,  Sarma V Vangala ,  Samy Khay-Ibbat ,  Swaminathan Balakrishnan ,  Ajoy K Singh ,  Sree Ram Kodali ,  Rafael Rivera-Barreto ,  S Aon Mujtaba ,  Faraz Faheem ,  Sreevalsan Vallath

IPC: H04M11/00 ,  H04W28/02 ,  H04W24/08 ,  H04W28/08 ,  H04W72/04 ,  H04W88/02

CPC classification number: H04W24/08 ,  H04L43/0888 ,  H04L43/16 ,  H04W28/0236 ,  H04W28/0284 ,  H04W28/08 ,  H04W36/04 ,  H04W72/0486 ,  H04W72/085 ,  H04W88/02

Abstract: Estimating loading and potential available throughput a serving cell of a wireless user equipment (UE) device. Physical layer metrics of a channel on which the UE communicates with the serving cell may be measured. Cell utilization of the serving cell may be calculated based at least in part on the measured physical layer metrics. A maximum available throughput of the serving cell may be calculated based on the cell utilization.

Abstract translation: 估计无线用户设备（UE）设备的服务小区的负载和潜在可用吞吐量。 可以测量UE与服务小区通信的信道的物理层度量。 可以至少部分地基于所测量的物理层度量来计算服务小区的小区利用率。 可以基于小区利用率来计算服务小区的最大可用吞吐量。