公开(公告)号：US20180054812A1

公开(公告)日：2018-02-22

申请号：US15659580

申请日：2017-07-25

Applicant: QUALCOMM Incorporated

Inventor： Tao Luo ,  Juan Montojo ,  Tamer Kadous ,  Junyi Li ,  Xiaoxia Zhang ,  Jing Sun ,  Taesang Yoo ,  Siddhartha Mallik

IPC: H04W72/04 ,  H04L5/00

Abstract: Various aspects of the disclosure relate to controlling allocations for independent links. For example, a device may dynamically control the uplink/downlink allocations for different links. In some aspects, the independent links may involve a first device (e.g., a user equipment) communicating via different independent links with different devices (e.g., transmit receive points (TRPs) or sets of TRPs). At least one device may signal the uplink/downlink allocation for the different links. If the isolation between links is high, the links may use different time division duplexed (TDD) or frequency division duplexed (FDD) subframe structures. If the isolation is low or for certain types of information (e.g., control information), the direction of transmission for one link may be constrained to be the same as the direction of transmission for another link (e.g., the links may use the same TDD/FDD frame structures). Also, sounding on different links may be time division multiplexed.

公开(公告)号：US20170332338A1

公开(公告)日：2017-11-16

申请号：US15487359

申请日：2017-04-13

Applicant: QUALCOMM Incorporated

Inventor： Siddhartha Mallik ,  Anastasios Stamoulis ,  Aleksandar Damnjanovic ,  Juan Montojo

IPC: H04W56/00 ,  H04W74/08 ,  H04W48/10

CPC classification number: H04W56/001 ,  H04W48/10

Abstract: Synchronization techniques for wireless nodes in a shared radio frequency spectrum band may include performing a listen before talk (LBT) procedure (e.g., a clear channel assessment (CCA) procedure) at identified resynchronization boundaries and initiating transmissions following successful LBT procedures. In the event that a node loses synchronization between resynchronization boundaries, such as due to an unsuccessful LBT procedure, the node becomes unsynchronized and may initiate an LBT procedure separate from the other nodes of the set of nodes. At a subsequent resynchronization boundary, the unsynchronized node may perform a resynchronization procedure in order to again become synchronized with other nodes of the set of nodes. In cases where the resynchronization procedure is unsuccessful, a parameter associated with the resynchronization procedure may be adapted to increase an interval for performing the resynchronization procedure.

公开(公告)号：US09693323B2

公开(公告)日：2017-06-27

申请号：US14922724

申请日：2015-10-26

Applicant: QUALCOMM Incorporated

Inventor： Siddhartha Mallik ,  Tao Luo ,  Srinivas Yerramalli

IPC: H04W52/34 ,  H04L5/00 ,  H04L27/00

CPC classification number: H04W52/346 ,  H04L5/001 ,  H04L5/0048 ,  H04L5/0053 ,  H04L27/0006 ,  H04W74/0808

Abstract: Multi-channel channel state information (CSI) design is disclosed for long term evolution (LTE)/LTE-Advanced (LTE-A) systems with unlicensed spectrum. A “reference” CSI process defined for each channel/carrier. The reference CSI process is defined across each channel in any particular band that the transmitter is configured to support. The transmit power for such reference CSI processes is spread equally over each such channel. In order to report CSI for a subset of channels under an unequal power split assumption, a user equipment (UE) may apply a different power offset in the computation of the CSI process. Alternatively, an auxiliary CSI process may be defined for reporting CSI of a subset of channels with unequal distribution of powers across different channels in a band.

公开(公告)号：US20170041767A1

公开(公告)日：2017-02-09

申请号：US15190374

申请日：2016-06-23

Applicant: QUALCOMM Incorporated

Inventor： Madhavan Srinivasan Vajapeyam ,  Jun Wang ,  Siddhartha Mallik ,  Taesang Yoo ,  Abhijit Khobare ,  Ajay Gupta ,  Vikas Jain ,  Yongbin Wei

IPC: H04W4/06 ,  H04W76/04 ,  H04W72/04

CPC classification number: H04W4/06 ,  H04L1/1841 ,  H04L1/1874 ,  H04L47/34 ,  H04W28/0205 ,  H04W72/04 ,  H04W76/27 ,  H04W80/02

Abstract: A device may support communication without a radio link control (RLC) layer, which may include receiving a packet data convergence protocol (PDCP) service data units (SDUs) for multiple radio bearers at a PDCP layer. The multiple radio bearers may have different reliability or delay targets, and a reordering procedure at the PDCP layer may be conducted on the different radio bearers. The reordering procedure may be a same reordering procedure for each of the radio bearers, with one or more parameters that may be adjusted based on one or both of the reliability target or delay target of the radio bearer.

Abstract translation: 设备可以支持通信，而无需无线链路控制（RLC）层，其可以包括在PDCP层处接收用于多个无线电承载的分组数据会聚协议（PDCP）服务数据单元（SDU）。 多个无线电承载可以具有不同的可靠性或延迟目标，并且可以在不同的无线电承载上对PDCP层进行重新排序过程。 重新排序过程可以是对于每个无线电承载的相同的重新排序过程，具有可以基于无线电承载的可靠性目标或延迟目标中的一个或两个来调整的一个或多个参数。

公开(公告)号：US20170013470A1

公开(公告)日：2017-01-12

申请号：US15177928

申请日：2016-06-09

Applicant: QUALCOMM Incorporated

Inventor： Jing Sun ,  Tao Luo ,  Taesang Yoo ,  Xiaoxia Zhang ,  Siddhartha Mallik

IPC: H04W16/14 ,  H04W72/12 ,  H04W74/08

CPC classification number: H04W16/14 ,  H04W72/1226 ,  H04W72/1278 ,  H04W74/0816 ,  H04W84/12

Abstract: Techniques are described for wireless communication. One method of wireless communication includes receiving, at a first user equipment (UE), a first communication over a shared radio frequency spectrum band from a first base station. The first communication includes a pre-grant communication associated with a downlink transmission or a grant of uplink resources associated with an uplink transmission. The method further includes determining, based at least in part on receiving the first communication, whether a channel reservation signal is detected over the shared radio frequency spectrum band; and transmitting a second communication over the shared radio frequency spectrum band, to the first base station, based at least in part on the determining. The second communication includes an approval of the downlink transmission or the uplink transmission.

Abstract translation: 技术描述为无线通信。 一种无线通信方法包括：在第一用户设备（UE）处，从第一基站通过共享射频频带接收第一通信。 第一通信包括与下行链路传输相关联的预授权通信或与上行链路传输相关联的上行链路资源的准许。 该方法还包括至少部分地基于接收第一通信来确定在共享射频频带上是否检测到信道预约信号; 以及至少部分地基于所述确定，通过所述共享无线电频谱频带向所述第一基站发送第二通信。 第二通信包括下行链路传输或上行链路传输的批准。

公开(公告)号：US20160285525A1

公开(公告)日：2016-09-29

申请号：US15067932

申请日：2016-03-11

Applicant: QUALCOMM Incorporated

Inventor： Petru Budianu ,  Jing Sun ,  Siddhartha Mallik ,  Yongbin Wei ,  Durga Prasad Malladi

IPC: H04B7/04 ,  H04L5/00

CPC classification number: H04B7/0417 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0626 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/0029 ,  H04L5/0057

Abstract: Channel feedback reporting for non-orthogonal wireless communication systems employing frequency selective channels. A plurality of channel feedback matrices corresponding to a plurality of sub-carriers of a sub-band for a non-orthogonal channel may be determined by a UE, and one or more effective channel feedback matrices for the sub-band may be determined based on the plurality of channel feedback matrices. Each of the one or more effective channel feedback matrices may be associated with corresponding sets of transmission strategies, where each of the corresponding sets of transmission strategies include one or more transmission strategies of a plurality of transmission strategies for the non-orthogonal channel. Channel feedback information representing the one or more effective channel feedback matrices may be reported to a base station, which may estimate channel quality for the plurality of transmission strategies based at least in part on the channel feedback information, for downlink transmissions to UEs over the non-orthogonal channel.

Abstract translation: 使用频率选择信道的非正交无线通信系统的信道反馈报告。 可以由UE确定对应于非正交信道的子带的多个子载波的多个信道反馈矩阵，并且可以基于以下方式确定用于子带的一个或多个有效信道反馈矩阵： 多个信道反馈矩阵。 一个或多个有效信道反馈矩阵中的每个可以与相应的传输策略组相关联，其中相应的传输策略集中的每一个包括用于非正交信道的多个传输策略的一个或多个传输策略。 表示一个或多个有效信道反馈矩阵的信道反馈信息可以被报告给基站，基站至少部分地基于信道反馈信息来估计用于多个传输策略的信道质量，以用于UE上的UE的下行链路传输， 正交通道

公开(公告)号：US20160135214A1

公开(公告)日：2016-05-12

申请号：US14874160

申请日：2015-10-02

Applicant: QUALCOMM Incorporated

Inventor： Arumugam CHENDAMARAI KANNAN ,  Taesang Yoo ,  Siddhartha Mallik ,  Jelena Damnjanovic ,  Yongbin Wei ,  Durga Prasad Malladi

IPC: H04W72/12 ,  H04L5/14 ,  H04W28/20 ,  H04W72/04 ,  H04L12/807

CPC classification number: H04W72/1284 ,  H04L5/14 ,  H04L47/27 ,  H04W28/20 ,  H04W72/0413 ,  H04W72/1252 ,  H04W72/1268 ,  H04W88/02

Abstract: Methods and apparatuses for managing uplink scheduling for one or more user equipment served by a network entity in a wireless communications system are presented. For instance, an example method is presented that includes generating, by the network entity, an uplink bandwidth allocation map, the uplink bandwidth allocation map defining an uplink bandwidth allocation for at least one of the one or more user equipment for at least one of a plurality of uplink transmission window lengths. In addition, the example method includes transmitting the uplink bandwidth allocation map to at least one of the one or more user equipment.

Abstract translation: 提出了用于管理由无线通信系统中的网络实体服务的一个或多个用户设备的上行链路调度的方法和装置。 例如，提出了一种示例方法，其包括由网络实体生成上行链路带宽分配映射，所述上行链路带宽分配映射为所述一个或多个用户设备中的至少一个定义用于以下中的至少一个的上行链路带宽分配： 多个上行链路传输窗口长度。 此外，示例性方法包括将上行链路带宽分配映射发送到一个或多个用户设备中的至少一个。

公开(公告)号：US20160112168A1

公开(公告)日：2016-04-21

申请号：US14847308

申请日：2015-09-08

Applicant: QUALCOMM Incorporated

Inventor： Taesang Yoo ,  Siddhartha Mallik ,  Arumugam Chendamarai Kannan ,  Tao Luo ,  Yongbin Wei ,  Durga Prasad Malladi

IPC: H04L5/00 ,  H04L5/14 ,  H04W16/14

Abstract: Techniques are described for conveying identification information in a preamble transmission. A transmission burst may be generated for transmission over a wireless medium. The transmission burst may include the preamble and a body portion. The preamble may include identification information associated with at least one of a transmitting device or a category of data bring transmitted. The transmission burst may then be transmitted over the wireless medium.

Abstract translation: 描述了用于在前导码传输中传送标识信息的技术。 可以生成用于通过无线介质进行传输的传输突发。 传输突发可以包括前导码和主体部分。 前导码可以包括与发送设备或所发送的数据类别中的至少一个相关联的标识信息。 然后可以通过无线介质传输传输突发。

公开(公告)号：US09071315B2

公开(公告)日：2015-06-30

申请号：US13928256

申请日：2013-06-26

Applicant: QUALCOMM Incorporated

Inventor： Yi Huang ,  Tao Luo ,  Wanshi Chen ,  Siddhartha Mallik

IPC: H04B1/10 ,  H04J11/00 ,  H04B1/7107 ,  H04B7/04

CPC classification number: H04B1/1027 ,  H04B1/7107 ,  H04B7/0413 ,  H04B7/0613 ,  H04J11/0036 ,  H04J11/0063

Abstract: A method of wireless communication includes receiving a first interference signal and a second interference signal. The method further includes determining whether the second interference signal includes a different version of the first interference signal. Additionally, the method includes combining the first interference signal and the second interference signal to estimate an interference cancellation signal when the second interference signal is the different version of the first interference signal.

Abstract translation: 一种无线通信方法包括接收第一干扰信号和第二干扰信号。 该方法还包括确定第二干扰信号是否包括第一干扰信号的不同版本。 此外，该方法包括当第二干扰信号是第一干扰信号的不同版本时，组合第一干扰信号和第二干扰信号以估计干扰消除信号。

公开(公告)号：US20140023001A1

公开(公告)日：2014-01-23

申请号：US13939140

申请日：2013-07-10

Applicant: Qualcomm Incorporated

Inventor： Yi HUANG ,  Tao Luo ,  Wanshi Chen ,  Taesang Yoo ,  Siddhartha Mallik ,  Makesh Pravin John Wilson

IPC: H04W24/02

CPC classification number: H04W24/02 ,  H04W48/12 ,  H04W48/20 ,  H04W72/082

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided in connection with UE centric interfering cell communication protocol usage detection. In one example, a communications device (e.g., a UE) is equipped to receive one or more signals from each cell of a plurality of cells including a set of interfering cells. The set of interfering cells includes one or more interfering cells. The UE can detect system release version information for at least one cell from the set of interfering cells, and then modify its communication processing with a serving cell based on the detected system release version information.

Abstract translation: 结合以UE为中心的干扰小区通信协议使用检测提供了一种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，通信设备（例如，UE）被配备为从包括一组干扰小区的多个小区的每个小区接收一个或多个信号。 该组干扰小区包括一个或多个干扰小区。 UE可以从干扰小区集合中检测至少一个小区的系统发布版本信息，然后基于检测到的系统版本信息修改其与服务小区的通信处理。