公开(公告)号：US08798590B2

公开(公告)日：2014-08-05

申请号：US13678701

申请日：2012-11-16

Applicant: Apple Inc.

Inventor： Prashant H Vashi ,  Vikram B Yerrabommanahalli ,  Karthik Anantharaman

IPC: H04M3/42 ,  H04W88/02 ,  H04W8/00

CPC classification number: H04W8/00 ,  H04W8/18 ,  H04W88/02 ,  H04W88/06

Abstract: A User Equipment (UE) device and associated method for operating a User Equipment (UE) in a wireless communication system. The UE may store a preferred roaming list in a memory. The preferred roaming list may comprise a plurality of system records which specify radio access technologies that can be used by the UE. The UE may examine the preferred roaming list to delete any duplicate system records in the PRL for respective geographic locations (GEOs). This may operate to mitigate the problems created by duplicate listing of system records within the PRL. In particular, the removal of redundant system records within the PRL may reduce or eliminate unneeded or undesired BSR algorithm execution. In addition, the removal of redundant system records within the PRL may reduce temporal service outages, since no service origination is allowed while the UE is attempting to find the most preferred system.

Abstract translation: 用户设备（UE）设备和用于在无线通信系统中操作用户设备（UE）的相关方法。 UE可以将优选的漫游列表存储在存储器中。 优选的漫游列表可以包括指定可由UE使用的无线电接入技术的多个系统记录。 UE可以检查优选的漫游列表以删除PRL中针对各个地理位置（GEO）的任何重复的系统记录。 这样做可以减轻在PRL内重复列出系统记录所产生的问题。 特别地，去除PRL内的冗余系统记录可以减少或消除不需要的或不期望的BSR算法执行。 此外，由于在UE尝试找到最优选的系统时不允许服务发起，所以在PRL内删除冗余系统记录可以减少时间服务中断。

公开(公告)号：US20240349080A1

公开(公告)日：2024-10-17

申请号：US18301189

申请日：2023-04-14

Applicant: Apple Inc.

Inventor： Amir Rajaee ,  Hao Ping Wen ,  De Jun Li ,  Murali Mohan Chakka ,  Douglas A MacKay ,  Vasanthakumar Balasubramaniam ,  Achmed Rumi Zahir ,  Prashant H Vashi ,  Mingkun Li ,  Priyank Mamania ,  Michael V Yeh ,  Luca Aldegheri ,  Reza Arastoo ,  Tu Le ,  Punit H Awatramani

IPC: H04W24/02 ,  H04W52/02

CPC classification number: H04W24/02 ,  H04W52/0203 ,  H04W88/18

Abstract: Communication device may include a transmitter and a receiver respectively coupled to one or more antennas to communicate (e.g., transmit or receive signals) with a base station. The communication device may receive an operating characteristic of a cellular modem within the communication device operating in a first cellular configuration and determine if the operating characteristic are greater than a threshold. The operating characteristic may include power and/or temperature. The threshold may include a power budget and/or a temperature threshold. If the operating characteristic is greater than the threshold, then the communication device may determine a control effort value based on the operating characteristic and the threshold. The communication device may map the control effort value to a second cellular configuration, which may correspond to reduced operating characteristics in comparison to the first cellular configuration. The communication device may then cause the cellular modem to operate in the second cellular configuration.

公开(公告)号：US10098181B2

公开(公告)日：2018-10-09

申请号：US14273656

申请日：2014-05-09

Applicant: Apple Inc.

Inventor： Prashant H Vashi ,  Vikram B Yerrabommanahalli ,  Teck Yang Lee

IPC: H04W88/06 ,  H04B7/024 ,  H04W36/14 ,  H04W48/18

Abstract: Determining whether to operate in a single radio access technology (RAT) mode or a dual RAT mode for a user equipment (UE) having a radio capable of communicating using at least a first RAT and a second RAT. The UE may determine whether current path loss for the first RAT exceeds a maximum path loss. Based on the results of determining whether the current path loss for the first RAT exceeds the maximum path loss, the UE may determine whether to operate in the single RAT mode or the dual RAT mode. Accordingly, based on this determination, the UE may operate in the single RAT mode or the dual RAT mode based on the determination.