公开(公告)号：US20230246756A1

公开(公告)日：2023-08-03

申请号：US18001376

申请日：2020-08-24

Applicant: Mostafa Khoshnevisan ,  Aleksandar Damnjanovic ,  Xiaoxia Zhang ,  Tao Luo ,  Jing Sun ,  Fang Yuan ,  Yitao Chen ,  Juan Montojo ,  Rajat Prakash ,  QUALCOMM Incorporated

Inventor： Mostafa Khoshnevisan ,  Aleksandar Damnjanovic ,  Xiaoxia Zhang ,  Tao Luo ,  Jing Sun ,  Fang Yuan ,  Yitao Chen ,  Juan Montojo ,  Rajat Prakash

IPC: H04L5/00 ,  H04W8/22

CPC classification number: H04L5/0035 ,  H04W8/22 ,  H04L5/0091

Abstract: Downlink schemes are disclosed for a cooperative user equipment (UE) with joint baseband processing. UEs may establish a cooperative UE unit with one or more neighboring UEs, where one of the UEs operates as the primary UE. The participating UEs of the cooperative UE unit determine a downlink transmission scheme for the cooperative transmissions from a serving base station and receive cooperative transmissions of one or more transport blocks from the serving base station according to the downlink transmission scheme. The secondary UEs of the cooperative UE unit generate and transmit cooperative process data to the primary UE, where the cooperative process data is based on the receipt of the cooperative transmissions by the secondary UEs. The primary UE processes its received cooperative transmission along with the cooperative process data to decode the one or more transport blocks. Other aspects and features are also claimed and described.

公开(公告)号：US09584290B2

公开(公告)日：2017-02-28

申请号：US12953356

申请日：2010-11-23

Applicant: Rajat Prakash ,  Jelena M. Damnjanovic ,  Peter Gaal ,  Parag Arun Agashe ,  Valentin Alexandru Gheorghiu ,  Masato Kitazoe ,  Ravi Palanki

Inventor： Rajat Prakash ,  Jelena M. Damnjanovic ,  Peter Gaal ,  Parag Arun Agashe ,  Valentin Alexandru Gheorghiu ,  Masato Kitazoe ,  Ravi Palanki

IPC: H04W72/04 ,  H04L5/00 ,  H04W72/00 ,  H04W72/02

CPC classification number: H04L5/0064 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0087 ,  H04L5/0098 ,  H04W72/00 ,  H04W72/02

Abstract: Systems, methods and apparatuses are provided that facilitate selecting resources, such as time slots, subframes, etc., for performing bandwidth switching related to activating and/or deactivating one or more carriers. A data portion of one or more subframes can be selected for performing bandwidth switching. In addition, a device can determine whether one or more downlink grants are received in the one or more subframes, and can avoid selecting such subframes. The device can alternatively perform the bandwidth switching and request retransmission of the data portion. Additionally or alternatively, the device can determine a type of the one or more subframes and/or signals transmitted in the one or more subframes to determine whether to perform bandwidth switching in the subframes. The bandwidth switching can include changing a sampling rate, reconfiguring frequency filters, modifying a local oscillator, etc.

Abstract translation: 提供了系统，方法和装置，其便于选择诸如时隙，子帧等的资源，用于执行与激活和/或去激活一个或多个载体相关的带宽切换。 可以选择一个或多个子帧的数据部分来执行带宽切换。 此外，设备可以确定在一个或多个子帧中是否接收到一个或多个下行链路许可，并且可以避免选择这样的子帧。 该设备可替代地执行带宽切换并请求数据部分的重传。 附加地或替代地，设备可以确定在一个或多个子帧中发送的一个或多个子帧和/或信号的类型，以确定是否在子帧中执行带宽切换。 带宽切换可以包括改变采样率，重新配置频率滤波器，修改本地振荡器等。

公开(公告)号：US09282462B2

公开(公告)日：2016-03-08

申请号：US13004006

申请日：2011-01-10

Applicant: Pranav Dayal ,  Tamer A. Kadous ,  Ashok Mantravadi ,  Jibing Wang ,  Rajat Prakash

Inventor： Pranav Dayal ,  Tamer A. Kadous ,  Ashok Mantravadi ,  Jibing Wang ,  Rajat Prakash

IPC: H04B7/00 ,  H04W16/14 ,  H04W88/06

CPC classification number: H04W16/14 ,  H04W88/06

Abstract: A method of wireless communication includes receiving signaling from a served User Equipment (UE), via a radio access technology, indicating an interfering technology associated with coexistence issues experienced by the served UE. The method also includes calculating future subframes expected to experience coexistence issues based on previous subframes estimated to have experienced coexistence issues.

Abstract translation: 无线通信的方法包括经由无线电接入技术从所服务的用户设备（UE）接收指示与所服务的UE所经历的共存问题相关联的干扰技术的信令。 该方法还包括根据估计经历共存问题的先前子帧计算预期将遇到共存问题的未来子帧。

公开(公告)号：US09210651B2

公开(公告)日：2015-12-08

申请号：US11261065

申请日：2005-10-27

Applicant: Edward Harrison Teague ,  Fatih Ulupinar ,  Rajat Prakash ,  Aamod Khandekar

Inventor： Edward Harrison Teague ,  Fatih Ulupinar ,  Rajat Prakash ,  Aamod Khandekar

IPC: H04L12/28 ,  H04W48/12

CPC classification number: H04W48/12

Abstract: Accordingly, a method and apparatus are provided wherein an apparatus comprises plurality of electronic devices, each having a logic, wherein the apparatus is configured for receiving a preamble comprising frame structure parameters; extracting said frame structure parameters from said preamble; and determining a frame structure by demodulating said frame structure parameters.

Abstract translation: 因此，提供了一种方法和装置，其中装置包括多个电子设备，每个电子设备具有逻辑，其中该设备被配置为用于接收包括帧结构参数的前同步码; 从所述前导码提取所述帧结构参数; 以及通过解调所述帧结构参数来确定帧结构。

公开(公告)号：US09107133B2

公开(公告)日：2015-08-11

申请号：US12651755

申请日：2010-01-04

Applicant: Amer Catovic ,  Parag A. Agashe ,  Rajarshi Gupta ,  Gavin B. Horn ,  Rajat Prakash ,  Fatih Ulupinar

Inventor： Amer Catovic ,  Parag A. Agashe ,  Rajarshi Gupta ,  Gavin B. Horn ,  Rajat Prakash ,  Fatih Ulupinar

IPC: H04W36/00 ,  H04W36/30 ,  H04W24/02

CPC classification number: H04W36/30 ,  H04W24/02 ,  H04W36/0094 ,  H04W76/18

Abstract: Handover parameter settings are automatically adapted in access points in a system to improve handover performance. Reactive detection techniques are employed for identifying different types of handover-related failures and adapting handover parameters based on this detection. Messaging schemes are also employed for providing handover-related information to access points. Proactive detection techniques also may be used for identifying conditions that may lead to handover-related failures and then adapting handover parameters in an attempt to prevent such handover-related failures. Ping-ponging may be mitigated by adapting handover parameters based on analysis of access terminal visited cell history acquired by access points in the system. In addition, configurable parameters (e.g., timer values) may be used to detect handover-related failures.

Abstract translation: 切换参数设置在系统的接入点自动调整，以提高切换性能。 采用无功检测技术来识别不同类型的切换相关故障，并根据该检测来适应切换参数。 消息传递方案也用于向接入点提供切换相关信息。 主动检测技术还可以用于识别可能导致切换相关故障的条件，然后适配切换参数以试图防止这种切换相关的故障。 可以通过基于系统中接入点获取的接入终端访问小区历史的分析来适配切换参数来减轻乒乓球。 此外，可以使用可配置的参数（例如，定时器值）来检测切换相关的故障。

公开(公告)号：US09094880B2

公开(公告)日：2015-07-28

申请号：US12486650

申请日：2009-06-17

Applicant: Rajat Prakash ,  Rajarshi Gupta ,  Parag A. Agashe ,  Masato Kitazoe ,  Arnaud Meylan ,  Gavin B. Horn

Inventor： Rajat Prakash ,  Rajarshi Gupta ,  Parag A. Agashe ,  Masato Kitazoe ,  Arnaud Meylan ,  Gavin B. Horn

IPC: H04W36/00 ,  H04W84/04

CPC classification number: H04W36/0088 ,  H04W84/045

Abstract: Confusion resulting from assigning the same node identifier to multiple nodes is resolved through the use of confusion detection techniques and the use of unique identifiers for the nodes. In some aspects a network may provide a time gap (e.g., an asynchronous time gap) during which an access terminal may temporarily cease monitoring transmissions from a source node so that the access terminal may acquire a unique identifier from a target node. In some aspects an access terminal may commence handover operations at a target node after determining whether the access terminal is allowed to access the target node. In some aspects a source node may prepare several target nodes for potential handover in the event confusion is detected or likely. Here, the source node may send information relating to the preparation of the potential target nodes to the access terminal whereby the access terminal uses the handover preparation information to initiate a handover at that target node.

Abstract translation: 通过使用混淆检测技术和为节点使用唯一标识符来解决通过将相同的节点标识符分配给多个节点而产生的混淆。 在一些方面，网络可以提供时间间隔（例如，异步时间间隔），在此期间，接入终端可能暂时停止监视来自源节点的传输，使得接入终端可以从目标节点获取唯一的标识符。 在一些方面，接入终端可以在确定接入终端是否允许接入目标节点之后，在目标节点处开始切换操作。 在某些方面，在检测到或可能的混淆的情况下，源节点可以准备若干目标节点用于潜在的切换。 这里，源节点可以向接入终端发送与潜在目标节点的准备有关的信息，由此接入终端使用切换准备信息来发起该目标节点处的切换。

公开(公告)号：US09094173B2

公开(公告)日：2015-07-28

申请号：US12144969

申请日：2008-06-24

Applicant: Rajat Prakash ,  Aamod Khandekar ,  Alexei Gorokhov ,  Mohammad J. Borran (Jaber)

Inventor： Rajat Prakash ,  Aamod Khandekar ,  Alexei Gorokhov ,  Mohammad J. Borran (Jaber)

IPC: H04W4/00 ,  H04L1/00 ,  H04W36/00 ,  H04L1/16 ,  H04L1/18 ,  H04W28/04

CPC classification number: H04L1/0061 ,  H04L1/1671 ,  H04L1/1829 ,  H04W28/04 ,  H04W36/0055

Abstract: Systems and methodologies are described that facilitate recovering from error due to false detection of completion signals at an access terminal. An access terminal specific request signal can be sent to a target base station to initiate handoff or semi-connected state exit. A completion signal can be transferred in response to the access terminal specific request signal. To mitigate errors stemming from false detection of the completion signal at the access terminal, forward link and reverse link confirmation signals can be transferred to confirm successful handoff or connected state re-entry completion. For example, the access terminal can determine handoff or re-entry to be successful when a forward link confirmation signal is detected prior to expiration of a timer. Moreover, the forward link and reverse link confirmation signals can each include more CRC bits as compared to a number of CRC bits included in the completion signal.

Abstract translation: 描述了系统和方法，其便于由于在接入终端处的完成信号的错误检测而从错误中恢复。 可以将接入终端特定请求信号发送到目标基站以启动切换或半连接状态退出。 可以响应于接入终端特定请求信号来传送完成信号。 为了减轻由接入终端的完成信号的错误检测引起的错误，可以传送前向链路和反向链路确认信号，以确认成功切换或连接状态重新进入完成。 例如，当在定时器期满之前检测到前向链路确认信号时，接入终端可以确定切换或重新进入成功。 此外，与包括在完成信号中的CRC比特数相比，前向链路和反向链路确认信号可以各自包括更多的CRC比特。

公开(公告)号：US08954077B2

公开(公告)日：2015-02-10

申请号：US12771721

申请日：2010-04-30

Applicant: Gavin Bernard Horn ,  Parag Arun Agashe ,  Rajarshi Gupta ,  Rajat Prakash

Inventor： Gavin Bernard Horn ,  Parag Arun Agashe ,  Rajarshi Gupta ,  Rajat Prakash

IPC: H04W36/00 ,  H04W36/08 ,  H04W8/20 ,  H04W48/08

CPC classification number: H04W36/0038 ,  H04W8/20 ,  H04W12/08 ,  H04W36/08 ,  H04W48/08

Abstract: Access control for an access point (e.g., a cell of the access point) may be based on an access mode associated with the access point. For example, depending on the access mode, access control may involve performing a membership check for the access point. Such a membership check may be performed at a network entity, a source access point, or some other suitable location in a network. In some aspects, access control may involve performing a membership check for an access point in conjunction with a context fetch procedure. Such a procedure may be performed, for example, when an access terminal arrives at the access point after experiencing RLF at another access point.

Abstract translation: 接入点（例如接入点的小区）的接入控制可以基于与接入点相关联的接入模式。 例如，根据访问模式，访问控制可以包括执行接入点的成员资格检查。 这样的成员资格检查可以在网络实体，源接入点或网络中的某个其他合适的位置执行。 在一些方面，访问控制可以包括结合上下文获取过程执行接入点的成员资格检查。 这样的过程可以例如在接入终端在另一接入点经历RLF之后到达接入点时执行。

公开(公告)号：US08838132B2

公开(公告)日：2014-09-16

申请号：US12854790

申请日：2010-08-11

Applicant: Rajat Prakash ,  Nathan E. Tenny ,  Parag A. Agashe ,  Stephen W. Edge

Inventor： Rajat Prakash ,  Nathan E. Tenny ,  Parag A. Agashe ,  Stephen W. Edge

IPC: H04W24/00 ,  H04W64/00 ,  G01S5/02 ,  G01S19/03 ,  G01S19/14 ,  H04L29/08 ,  H04W4/02

CPC classification number: H04W64/00 ,  G01S5/0236 ,  G01S19/03 ,  G01S19/14 ,  H04L29/08657 ,  H04W4/02

Abstract: Apparatus and methods for determining a location estimate of a mobile device based on an extended set of assistance data are presented. The extended assistance data includes assistance data for base stations, such as cellular base stations and access points, not expected to be viewable by the mobile device in a (current) first geographical area but expected to be viewable by the mobile device in a (future) second geographical area. By seeding the mobile device with assistance data expected to be useful in the future, the network reduces messaging between the network and mobile device and battery consumption by the mobile device.

Abstract translation: 提出了用于基于扩展的一组辅助数据来确定移动设备的位置估计的装置和方法。 扩展的辅助数据包括诸如蜂窝基站和接入点之类的基站的辅助数据，不期望在（当前）第一地理区域中移动设备可以看到但预计在未来可由移动设备查看 ）第二地理区域。 通过将移动设备播种到预期将来有用的辅助数据，网络可以减少网络和移动设备之间的消息传送以及移动设备的电池消耗。

公开(公告)号：US08743774B2

公开(公告)日：2014-06-03

申请号：US12021819

申请日：2008-01-29

Applicant: Rajat Prakash ,  Fatih Ulupinar ,  Arnab Das ,  Mohammad Jaber Borran ,  Alexei Gorokhov

Inventor： Rajat Prakash ,  Fatih Ulupinar ,  Arnab Das ,  Mohammad Jaber Borran ,  Alexei Gorokhov

IPC: H04W4/00

CPC classification number: H04W28/24 ,  H04W72/0413 ,  H04W74/0866

Abstract: Techniques for sending resource requests in a wireless communication system are described. Multiple types of quality of service (QoS) information may be supported for resource requests and may include QoS class and latency deadline. A terminal may have data to send on the reverse link and may determine QoS information for the data. The QoS information may include at least one QoS type, which may be dependent on a configuration selected for use to send resource requests. The terminal may also determine backlog level information indicative of the amount of data to send. The terminal may generate a resource request with the backlog level and QoS information. The resource request may include the backlog level information and QoS class information, the backlog level information and either QoS class information or latency deadline information, the backlog level information and latency deadline information, or some other combination of information.

Abstract translation: 描述在无线通信系统中发送资源请求的技术。 资源请求可能支持多种类型的服务质量（QoS）信息，并且可能包括QoS等级和延迟期限。 终端可以具有在反向链路上发送的数据，并且可以确定数据的QoS信息。 QoS信息可以包括至少一种QoS类型，其可以取决于被选择用于发送资源请求的配置。 终端还可以确定表示要发送的数据量的积压级信息。 终端可以生成具有积压级别和QoS信息的资源请求。 资源请求可以包括积压级信息和QoS类信息，积压级信息以及QoS类信息或等待时间限制信息，积压级别信息和等待时间限制信息，或者某些其他信息组合。