公开(公告)号：US20180084487A1

公开(公告)日：2018-03-22

申请号：US15270560

申请日：2016-09-20

Applicant: QUALCOMM Incorporated

Inventor： Bhaskaran Arumugam ,  Manjunatha Subbamma Ananda ,  Santhana Palanisamy ,  Sai Lokesh Ladhagiri Krishnakumar

IPC: H04W48/16 ,  H04W48/00

CPC classification number: H04W48/16 ,  H04W48/17

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may search for a first network associated with a first radio access technology (RAT) during a first time period in a RAT search cycle. The UE may search, when service is not acquired, for a second network associated with a second RAT during a second time period in the RAT search cycle. The UE may identify a radio frequency (RF) spectrum overlap in which a first RF band associated with the first RAT overlaps with a second RF band associated with the second RAT. When service is not acquired with respect to the second RAT, the UE may scan for RF energy corresponding to the second RF band of the second RAT. Then, the UE may determine whether to perform a subsequent search for the first network in the first RF band of the first RAT.

公开(公告)号：US09258749B1

公开(公告)日：2016-02-09

申请号：US14595014

申请日：2015-01-12

Applicant: QUALCOMM Incorporated

Inventor： Bhaskaran Arumugam

IPC: H04W36/00 ,  H04W56/00 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04W36/0061 ,  H04J11/0093 ,  H04W56/00 ,  H04W76/19

Abstract: Embodiments of the present invention include devices, systems and methods for recovery after radio link failure (RLF). For example, a method for wireless communication is described. The method includes performing a base station identity code (BSIC) reconfirmation for a number of top ranked cells in a received neighbor cell list when a radio link timeout (RLT) counter is less than a counter threshold before radio link failure (RLF). A signal-to-noise ratio (SNR) for the top ranked cells is determined during the BSIC reconfirmation. The method also includes scheduling a system information (SI) decode upon RLF for the top ranked cells that have an SNR greater than an SNR threshold. Other aspects, embodiments, and features are also claimed and described.

Abstract translation: 本发明的实施例包括用于在无线电链路故障（RLF）之后恢复的设备，系统和方法。 例如，描述了一种用于无线通信的方法。 当无线电链路超时（RLT）计数器小于无线电链路故障（RLF）之前的计数器阈值时，该方法包括对接收到的相邻小区列表中的多个顶级小区进行基站识别码（BSIC）再确认。 在BSIC重新确认期间确定顶级细胞的信噪比（SNR）。 该方法还包括对具有大于SNR阈值的SNR的顶级小区的RLF调度系统信息（SI）解码。 还要求和描述其它方面，实施例和特征。

公开(公告)号：US20180220329A1

公开(公告)日：2018-08-02

申请号：US15418681

申请日：2017-01-28

Applicant: QUALCOMM Incorporated

Inventor： Bhaskaran Arumugam ,  Akash Srivastava ,  Pankaj Bansal ,  Hardeepsinh Jadeja ,  Sumit Kumar ,  Ravi Kanth Kotreka ,  Harinath Reddy Patel ,  Naresh Babu Vungarala

IPC: H04W28/04 ,  H04L29/06 ,  H04B17/318 ,  H04W52/02 ,  H04W68/02

CPC classification number: H04W74/085 ,  H04B17/318 ,  H04J11/00 ,  H04L63/0853 ,  H04L65/1016 ,  H04L65/1069 ,  H04L65/1073 ,  H04W12/00405 ,  H04W12/06 ,  H04W52/0203 ,  H04W68/02 ,  H04W76/27 ,  H04W76/28 ,  H04W84/12 ,  H04W88/06 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/12 ,  Y02D70/1224 ,  Y02D70/1226 ,  Y02D70/1242 ,  Y02D70/126 ,  Y02D70/1262 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/162 ,  Y02D70/20 ,  Y02D70/23 ,  Y02D70/24

Abstract: A multi-subscriber identification module (SIM) wireless communication device with a first SIM and a second SIM associated with a shared radio frequency (RF) resource may determine that timing collisions are predicted between an active period of a discontinuous reception (DRX) cycle associated with the first SIM and an active period of a DRX cycle associated with the second SIM. In response, the wireless communication device may determine whether the first SIM is registered with an IP Multimedia Subsystem (IMS) to use Voice-over-wireless local area network (VoWLAN) service over a wireless local area network (WLAN). If the first SIM is registered with the IMS to use VoWLAN service over the WLAN, the wireless communication device may shift the conflicting DRX cycle associated with the first SIM by a time margin, and receive paging messages for mobile terminating calls on the modem stack associated with the first SIM over the WLAN.

公开(公告)号：US20170086196A1

公开(公告)日：2017-03-23

申请号：US14861075

申请日：2015-09-22

Applicant: QUALCOMM Incorporated

Inventor： Bhaskaran Arumugam ,  Sai Lokesh Ladhagiri Krishnakumar ,  Santhana Palanisamy

IPC: H04W72/04 ,  H04W24/08 ,  H04W72/08

CPC classification number: H04W48/16

Abstract: In accordance with the present disclosure network searching may include collecting one or more System Information (SI) for a plurality of cells associated with a wireless network; storing the one or more SI in a memory unit; generating a serving network frequency channel list based on the one or more stored SI; performing a power scan for one or more supported radio bands for one or more cells within the wireless network; obtaining an available frequency channel list from the power scan; comparing the available frequency channel list with the serving network frequency channel list if a Full Service Flag (FSF) has been set; and removing one or more frequency channels from the serving network frequency channel list to generate a reduced list.