公开(公告)号：US20190036647A1

公开(公告)日：2019-01-31

申请号：US16045589

申请日：2018-07-25

Applicant: QUALCOMM Incorporated

Inventor： Raghu Hanumantha GOWDA ,  Gowrisankar SOMICHETTY ,  Mangesh SHETE ,  Swarupa Gandhi VUDATA ,  Siva Kishore Reddy YERRAPAREDDY ,  Karthik Pavan Krishna BHOGARAJU ,  Sathish MACHUKARI ,  Nilotpal DHAR ,  Chun-Hao HSU ,  Avinash MANDA ,  Shashidhar VUMMINTALA ,  Vivek PADI ,  Bishal MASKEY ,  Vishu KUMAR ,  Bharath SAKINALA ,  Venugopal RAMAMURTHY ,  Vijayvaradharaj TIRUCHERAI MURALIDHARAN

IPC: H04L1/00 ,  H04W52/02 ,  H04W72/04 ,  H04W4/70

CPC classification number: H04L1/0051 ,  H04L1/0053 ,  H04L1/08 ,  H04W4/70 ,  H04W52/0216 ,  H04W52/0219 ,  H04W52/0229 ,  H04W52/0232 ,  H04W72/0406 ,  H04W72/0446

Abstract: Techniques and apparatus for early termination of decoding of communication channels for power saving in narrowband devices are provided. One technique includes monitoring for one or more first repetitions of at least one communication channel from a base station. The device determines, based on the monitoring, whether to refrain from monitoring for one or more second repetitions of the at least one communication channel. The device enters a low power mode if the determination is to refrain from monitoring for the one or more second repetitions of the at least one communication channel.

公开(公告)号：US20160057653A1

公开(公告)日：2016-02-25

申请号：US14799515

申请日：2015-07-14

Applicant: QUALCOMM Incorporated

Inventor： Huilin XU ,  Alexei GOROKHOV ,  Mariam MOTAMED ,  Raghu CHALLA ,  Joshua MACDONALD ,  Kai XIE ,  Vivek PADI ,  Alex MATEEN ,  Juchuan MA

IPC: H04W28/02 ,  H04W76/04

CPC classification number: H04W28/0289 ,  H04L27/00 ,  H04L27/2657 ,  H04L27/2695 ,  H04L2027/0034 ,  H04L2027/0065 ,  H04W56/0035 ,  H04W76/28

Abstract: Aspects of frequency error detection with Physical Broadcast CHannel (PBCH) frequency hypothesis are described. For example, a method and apparatus are disclosed for frequency tracking in a user equipment (UE) may include detecting a change in frequency that exceeds a pull-in range of a frequency tracking loop (FTL) of the UE. The method and apparatus may also include identifying a tracking recovery frequency in response to the change in frequency being detected, wherein the tracking recover frequency is identified from a set of frequency hypotheses and based on decoding of the PBCH received by the UE. The method and apparatus may further include updating the FTL with the tracking recovery frequency.

Abstract translation: 描述了使用物理广播信道（PBCH）频率假设进行频率误差检测的方面。 例如，公开了用于用户设备（UE）中的频率跟踪的方法和装置，其可以包括检测超过UE的频率跟踪环路（FTL）的引入范围的频率变化。 所述方法和装置还可以包括响应于被检测的频率的变化来识别跟踪恢复频率，其中，从一组频率假设并且基于由UE接收到的PBCH的解码来识别跟踪恢复频率。 该方法和装置还可以包括利用跟踪恢复频率来更新FTL。