公开(公告)号：US20180279181A1

公开(公告)日：2018-09-27

申请号：US15926436

申请日：2018-03-20

Applicant: QUALCOMM Incorporated

Inventor： Karl Georg Hampel ,  Sumeeth Nagaraja ,  Ravi Agarwal ,  Bilal Sadiq ,  Tao Luo

IPC: H04W36/00 ,  H04W72/04 ,  H04B7/06 ,  H04W36/30 ,  H04W36/06 ,  H04W36/36

CPC classification number: H04W36/0033 ,  H04B7/0617 ,  H04B7/0695 ,  H04W16/28 ,  H04W36/0072 ,  H04W36/0077 ,  H04W36/06 ,  H04W36/30 ,  H04W36/36 ,  H04W72/046

Abstract: Methods, systems, and devices for wireless communication are described for a beam-aware handover procedure for multi-beam access systems. A source base station may determine that a handover request is to be sent to a target base station in preparation for handover of a user equipment (UE) from the source base station to the target base station, and transmit the handover request to the target base station with an indication of whether the handover is to be delayed. Alternatively or in addition to, either the target base station or the source base station may generate and transmit a time expiration indicator. The indication of whether the handover is to be delayed or the time expiration indicator may allow either the target base station or the UE to determine whether access parameters for the UE are valid.

公开(公告)号：US10028304B2

公开(公告)日：2018-07-17

申请号：US15708415

申请日：2017-09-19

Applicant: QUALCOMM Incorporated

Inventor： Sony Akkarakaran ,  Tao Luo ,  Sumeeth Nagaraja ,  Makesh Pravin John Wilson

IPC: H04L5/14 ,  H04W74/08 ,  H04W76/27 ,  H04L5/00 ,  H04L27/26 ,  H04W24/10 ,  H04W56/00 ,  H04W72/04 ,  H04W76/04 ,  H04B7/06 ,  H04B7/08 ,  H04W72/00 ,  H04W88/02

Abstract: Certain aspects of the present disclosure provide techniques for beam correspondence indication, user equipment (UE) calibration indication, and synchronization information for time division duplexed (TDD) random access channel (RACH) procedure. According to certain aspects, a method of wireless communication by a wireless device is provided. The method generally includes determining whether beam correspondence applies between the wireless device and another wireless device and based on the determination, providing an indication to the other wireless device of whether beam correspondence applies.

公开(公告)号：US20180176949A1

公开(公告)日：2018-06-21

申请号：US15838145

申请日：2017-12-11

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Junyi Li ,  Tao Luo ,  Sumeeth Nagaraja

IPC: H04W74/00 ,  H04W74/08 ,  H04B7/08 ,  H04W72/12

Abstract: Methods, systems, and devices for wireless communication are described for selecting different uplink transmission parameters for transmission or retransmission of a random access message. A user equipment (UE) may transmit or retransmit a random access message such as a layer 2 or layer 3 (L2/L3) message to a base station during a random access procedure. The UE may select a transmission beam, uplink resource or transmission power for the transmission of the L2/L3 message that differ from those used for transmission of a previous random access message. The selection may be based on path loss associated with synchronization signals or previous transmissions. The selection may also be based on a maximum number of retransmissions.

公开(公告)号：US20170374637A1

公开(公告)日：2017-12-28

申请号：US15457985

申请日：2017-03-13

Applicant: QUALCOMM Incorporated

Inventor： Sony Akkarakaran ,  Tao Luo ,  Sumeeth Nagaraja

IPC: H04W64/00 ,  H04B7/06 ,  H04L5/00 ,  H04W24/10

CPC classification number: H04W64/00 ,  G01S5/0036 ,  G01S5/0226 ,  G01S5/10 ,  G01S5/12 ,  H04B7/0617 ,  H04L5/0051 ,  H04W16/28 ,  H04W24/10 ,  H04W64/006

Abstract: Methods, systems, and devices for wireless communication are described. A base station may receive a first measurement report from a user equipment (UE) that includes an indication of a measurement parameter associated with a first beamformed reference signal. The base station may receive additional measurement reports from the UE for additional base stations. The additional measurement reports may include an indication of measurement parameters associated with additional beamformed reference signals transmitted by the additional base stations. The base station may identify a location of the UE based on the first measurement report and the additional measurement report. Alternatively, the UE may transmit multiple beamformed sounding reference signals to multiple base stations, and a single base station may identify a location of the UE based on multiple reports collected from the multiple base stations.

公开(公告)号：US20170366994A1

公开(公告)日：2017-12-21

申请号：US15457873

申请日：2017-03-13

Applicant: QUALCOMM incorporated

Inventor： Sony Akkarakaran ,  Tao Luo ,  Sumeeth Nagaraja

IPC: H04W24/10 ,  H04L5/00 ,  H04W16/28 ,  H04L29/08 ,  H04W88/08 ,  H04W88/02

CPC classification number: H04W24/10 ,  H04B7/0617 ,  H04L5/001 ,  H04L5/0023 ,  H04L5/0051 ,  H04L5/0092 ,  H04L5/14 ,  H04L67/303 ,  H04W16/28 ,  H04W88/02 ,  H04W88/08

Abstract: Methods, systems, and devices for wireless communication are described. A base station may partition a plurality of carriers into one or more groups. Each carrier within a group may share one or more antenna panels so as to each be directed by a transmit beam in a same direction. The base station may transmit to a user equipment a carrier group indication that identifies the partitioning of the plurality of carriers into the one or more groups and maps a group identifier for at least one of the one or more groups to a beam identifier that identifies the corresponding transmit beam.

公开(公告)号：US20160192248A1

公开(公告)日：2016-06-30

申请号：US15065793

申请日：2016-03-09

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Mehmet Yavuz ,  Farhad Meshkati ,  Andrei Dragos Radulescu ,  Christophe Chevalier

IPC: H04W36/00 ,  H04W36/16

CPC classification number: H04W36/0061 ,  H04W36/0005 ,  H04W36/04 ,  H04W36/16 ,  H04W84/045

Abstract: Methods, apparatuses, and computer program products are disclosed for facilitating a beacon-assisted handover from a macro network to a femto cell during an active call. A femto cell management system assigns a unique identifier to a femto cell, which the femto cell utilizes to broadcast a beacon at a frequency different than the operating frequency of the femto cell. A wireless terminal receives a control message from the macro network directing the wireless terminal to scan particular frequencies. The wireless terminal subsequently provides a report to the macro network identifying attributes ascertained from the scan, which includes attributes associated with the beacon. The macro network then performs a handover from the macro network to the femto cell as a function of the attributes.

Abstract translation: 公开了方法，装置和计算机程序产品，用于促进在活动呼叫期间从宏网络到毫微微小区的信标辅助切换。 毫微微小区管理系统向毫微微小区分配唯一标识符，毫微微小区利用毫微微小区以与毫微微小区的工作频率不同的频率广播信标。 无线终端从宏网络接收指示无线终端扫描特定频率的控制消息。 无线终端随后向宏网络提供识别从扫描确定的属性的报告，其包括与信标相关联的属性。 然后，宏网络根据属性执行从宏网络到毫微微小区的切换。

公开(公告)号：US09357507B2

公开(公告)日：2016-05-31

申请号：US13838604

申请日：2013-03-15

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Pooyan Amini ,  Yeliz Tokgoz ,  Farhad Meshkati ,  Christophe Chevallier ,  Mehmet Yavuz

IPC: H04W52/32 ,  H04W72/04 ,  H04W52/24

CPC classification number: H04W52/325 ,  H04W52/244 ,  H04W72/04

Abstract: A small cell (e.g., femtocell) in a wireless communication may determine a set of wireless signal measurements for a plurality of small cells causing pilot cell pollution within a coverage area. The small cell may determine an adjustment of a transmission parameter of the small cells for reducing the pilot cell pollution, and transmit the adjustment to the small cells. The adjustment may include, for example, minimizing an area of overlap between at least two small cells having signal power difference below a threshold, maximizing a signal to interference and noise ratio at a location associated with at least two small cells, minimizing an area associated with at least two pilot signals within a threshold signal level, distributing traffic load to at least two of the small cells based on the set of measurements, or by minimizing the number of small cells covering a path.

Abstract translation: 无线通信中的小小区（例如，毫微微小区）可以确定在覆盖区域内导致导频小区污染的多个小小区的一组无线信号测量。 小小区可以确定用于减小导频小区污染的小小区的传输参数的调整，并将调整发送到小小区。 调整可以包括例如使具有低于阈值的信号功率差的至少两个小小区之间的重叠区域最小化，使与至少两个小小区相关联的位置处的信号与干扰和噪声比最大化，使与相关联的区域最小化 在阈值信号电平内具有至少两个导频信号，基于该组测量将业务负载分配给至少两个小小区，或通过使覆盖路径的小小区的数量最小化。

公开(公告)号：US09332446B2

公开(公告)日：2016-05-03

申请号：US14618850

申请日：2015-02-10

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Rajat Prakash

IPC: H04M3/00 ,  H04W24/02 ,  H04W84/04 ,  H04W92/20

CPC classification number: H04W24/02 ,  H04W84/045 ,  H04W92/20

Abstract: The present disclosure presents a method and an apparatus for self-configuring a physical cell identify (PCI) at a cell upon detecting a PCI confusion at a neighbor cell. For example, the method may include detecting that a PCI confusion exists at a second cell based on a message (e.g., configuration update message or a X2 setup response message) received from the second cell. The first cell may initiate a timer that is selected from a first timer and a second timer, the first timer longer in duration than the second timer. The first cell then configures a new PCI for the first cell when the timer expires or maintains a current PCI for the first cell when the timer is reset prior to expiration. As such, self-configuration of PCI at a cell may be achieved.

Abstract translation: 本公开提供了一种在相邻小区检测到PCI混淆时，在小区处自动配置物理小区识别（PCI）的方法和装置。 例如，该方法可以包括基于从第二小区接收的消息（例如，配置更新消息或X2建立响应消息）来检测在第二小区处存在PCI混淆。 第一小区可以发起从第一定时器和第二定时器中选择的定时器，第一定时器的持续时间比第二定时器长。 然后当定时器在到期之前复位时定时器到期或维持第一个单元的当前PCI，第一个单元为第一个单元配置一个新的PCI。 因此，可以实现单元处的PCI的自配置。

公开(公告)号：US09204441B2

公开(公告)日：2015-12-01

申请号：US13799456

申请日：2013-03-13

Applicant: QUALCOMM Incorporated

Inventor： Sumeeth Nagaraja ,  Yeliz Tokgoz ,  Mehmet Yavuz ,  Damanjit Singh ,  Andrei Dragos Radulescu ,  Chirag Sureshbhai Patel

IPC: G01R31/08 ,  H04W72/04 ,  H04W16/32 ,  H04W84/04 ,  H04W24/02

CPC classification number: H04W72/0453 ,  H04W16/32 ,  H04W24/02 ,  H04W72/04 ,  H04W72/048 ,  H04W84/045

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in connection with classifying devices that communicate with a femto node for providing services thereto. In one example, a node is equipped to monitor and/or receive one or more parameters communicated by a device, assign a classification to the device related to a frequency of using the femto node based in part on the one or more parameters. In an aspect, the node is equipped to provide services to the device based on the classification. In another aspect, the node is equipped to provide the classification to one or more femto nodes, including the femto node, for providing services to the device.

Abstract translation: 与用于提供服务的毫微微节点通信的设备的分类相关地提供用于无线通信的方法，装置和计算机程序产品。 在一个示例中，节点被配备为监视和/或接收由设备传送的一个或多个参数，部分地基于所述一个或多个参数将分类分配给与使用毫微微节点的频率相关的设备。 在一方面，节点被配备为基于分类向设备提供服务。 在另一方面，节点被配备为向包括毫微微节点的一个或多个毫微微节点提供用于向该设备提供服务的分类。

公开(公告)号：US09055541B2

公开(公告)日：2015-06-09

申请号：US14159294

申请日：2014-01-20

Applicant: QUALCOMM Incorporated

Inventor： Chirag Sureshbhai Patel ,  Mehmet Yavuz ,  Leonard Henry Grokop ,  Vinay Chande ,  Sanjiv Nanda ,  Farhad Meshkati ,  Sumeeth Nagaraja

IPC: H04B7/00 ,  H04W52/24 ,  H04W52/14 ,  H04W28/18 ,  H04W52/28 ,  H04W52/32 ,  H04W52/50 ,  H04W72/08 ,  H04W84/04

CPC classification number: H04W52/245 ,  H04W28/18 ,  H04W52/143 ,  H04W52/242 ,  H04W52/243 ,  H04W52/247 ,  H04W52/281 ,  H04W52/325 ,  H04W52/50 ,  H04W72/085 ,  H04W84/045

Abstract: Transmit power for an access point is controlled based on information received by the access point. For example, an access point may employ one or more algorithms that use messages received from nearby access terminals to maintain an acceptable tradeoff between providing an adequate coverage area for access point transmissions and mitigating interference that these transmissions cause at nearby access terminals. Here, the access point may employ a network listen-based algorithm upon initialization of the access terminal to provide preliminary transmit power control until sufficient information is collected for another transmit power control algorithm (e.g., an access terminal assisted algorithm). Also, the access terminal may employ an active access terminal protection scheme to mitigate interference the access point may otherwise cause to a nearby access terminal that is in active communication with another access point.

Abstract translation: 基于接入点接收的信息来控制接入点的发射功率。 例如，接入点可以采用使用从附近的接入终端接收的消息的一个或多个算法来维持在为接入点传输提供足够的覆盖区域和减轻这些传输在附近的接入终端处造成的干扰的可接受的折衷。 这里，接入点可以在接入终端初始化时采用基于网络侦听的算法，以提供初始的发射功率控制，直到为另一发射功率控制算法（例如，接入终端辅助算法）收集足够的信息。 此外，接入终端可以采用有源接入终端保护方案来减轻接入点否则可能导致与另一接入点主动通信的附近接入终端的干扰。