公开(公告)号：US09794792B2

公开(公告)日：2017-10-17

申请号：US14853294

申请日：2015-09-14

Applicant: QUALCOMM Incorporated

Inventor： Naga Bhushan ,  John Edward Smee ,  Tingfang Ji ,  Ahmed Kamel Sadek ,  Krishna Kiran Mukkavilli ,  Joseph Binamira Soriaga

IPC: H04W16/14 ,  H04W24/08 ,  H04W74/08 ,  H04W84/04

CPC classification number: H04W16/14 ,  H04W24/08 ,  H04W74/0808 ,  H04W84/042

Abstract: Shared spectrum operation is disclosed for sharing spectrum among multiple wireless deployments. Coordination procedures between and among 2nd and 3rd Tier deployments include the use of beacons transmitted by the 2nd Tier for clearing access to spectrum occupied by 3rd Tier users and multiple 3rd Tier deployments sharing resources using a group-listen before talk (LBT) protocol, rather than a per-node LBT protocol. The 2nd Tier beacon signals are transmitted to alert 3rd Tier users of their presence, which, upon detection, will leave the particular spectrum within a predetermined time. For the shared LBT protocol, the 3rd Tier deployments share the channel with each other through an LBT with random backoff, in which the start time of clear channel assessment (CCA) procedure and the random backoff values are synchronized among nodes of the same deployment.

公开(公告)号：US20170295589A1

公开(公告)日：2017-10-12

申请号：US15291626

申请日：2016-10-12

Applicant: QUALCOMM Incorporated

Inventor： Jay Kumar Sundararajan ,  Joseph Binamira Soriaga ,  Jing Jiang ,  Tingfang Ji ,  Alexandros Manolakos ,  Krishna Kiran Mukkavilli

IPC: H04W72/12 ,  H04L25/08 ,  H04L29/06 ,  H04L5/14

CPC classification number: H04W72/1215 ,  H04L5/14 ,  H04L25/08 ,  H04L69/22 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/1268 ,  H04W72/1278 ,  H04W74/002

Abstract: Aspects of the disclosure relate to a configurable subframe structure for use in next generation (e.g., fifth generation or 5G) wireless networks utilizing a time division duplex (TDD) carrier that minimizes interference with adjacent legacy wireless networks. The configurable subframe structure may be configured to produce next generation subframes, each including at least one of a downlink portion or an uplink portion, to substantially align downlink portions with corresponding legacy downlink subframes and/or uplink portions with corresponding legacy uplink subframes.

公开(公告)号：US20170289907A1

公开(公告)日：2017-10-05

申请号：US15271439

申请日：2016-09-21

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Tao Luo ,  Joseph Binamira Soriaga ,  Tingfang Ji ,  Krishna Kiran Mukkavilli

IPC: H04W52/02 ,  H04W72/12 ,  H04W72/04

Abstract: Some aspects of the disclosure provide for a flexible and reconfigurable subframe structure that allows various devices with different capabilities and frequency agility to efficiently utilize the available channel bandwidth (BW) and/or save power. In some aspects of the disclosure, the reference signal and/or control channel placement in the subframe can facilitate faster processing and increased sleep mode duration of the devices.

公开(公告)号：US20170164367A1

公开(公告)日：2017-06-08

申请号：US15225593

申请日：2016-08-01

Applicant: QUALCOMM Incorporated

Inventor： Alexandros Manolakos ,  June Namgoong ,  Raghuraman Krishnamoorthi ,  Jing Jiang ,  Joseph Binamira Soriaga ,  Tingfang Ji ,  Krishna Kiran Mukkavilli

IPC: H04W72/04 ,  H04L5/14 ,  H04L12/26 ,  H04L5/00

CPC classification number: H04B10/5055 ,  H04B7/0456 ,  H04B7/0639 ,  H04B7/0691 ,  H04L5/0051 ,  H04L5/14 ,  H04L25/0202 ,  H04L43/16 ,  H04W72/042 ,  H04W72/0453 ,  H04W88/02

Abstract: Methods, systems, and devices for wireless communication are described. One method includes identifying a plurality of intermediate precoders corresponding to a plurality of tone subsets. The plurality of intermediate precoders define a plurality of vectors across the plurality of tone subsets. The method further includes selecting, for each vector of the plurality of vectors, a subset of non-frequency domain components of the vector, such as time-domain components; modifying the plurality of intermediate precoders to a plurality of smoothed precoders based at least in part on the selected subset of non-frequency domain components for each vector; and precoding a plurality of transmit streams using the plurality of smoothed precoders. The plurality of smoothed precoders is smoothed in a frequency domain compared to the plurality of intermediate precoders. Smoothing precoders may enable application of wideband channel estimation techniques using user equipment (UE)-specific reference signals.

公开(公告)号：US20170111860A1

公开(公告)日：2017-04-20

申请号：US15393736

申请日：2016-12-29

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Joseph Patrick Burke ,  Tingfang Ji ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Joseph Binamira Soriaga ,  John Edward Smee

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

CPC classification number: H04W52/0212 ,  H04L1/0018 ,  H04W52/0206 ,  H04W52/0209 ,  H04W52/0216 ,  H04W52/028 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/048 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146

Abstract: Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing bandwidths are disclosed. Frame formats are disclosed in which control signals are transmitted at different bandwidths than data signals. Receiver architectures for receiving the signaling formats are disclosed. A receiver can receive a relatively narrowband control signal while consuming a relatively low power and then dynamically adjust characteristics of various components to receive a data signal at a higher bandwidth while consuming a relatively higher power.

公开(公告)号：US09572106B2

公开(公告)日：2017-02-14

申请号：US14846051

申请日：2015-09-04

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Joseph Patrick Burke ,  Tingfang Ji ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Joseph Binamira Soriaga ,  John Edward Smee

IPC: H04B1/06 ,  H04W52/02 ,  H04W72/04

CPC classification number: H04W52/0212 ,  H04L1/0018 ,  H04W52/0206 ,  H04W52/0209 ,  H04W52/0216 ,  H04W52/028 ,  H04W72/042 ,  H04W72/0453 ,  H04W72/048 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146

Abstract: Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing bandwidths are disclosed. Frame formats are disclosed in which control signals are transmitted at different bandwidths than data signals. Receiver architectures for receiving the signaling formats are disclosed. A receiver can receive a relatively narrowband control signal while consuming a relatively low power and then dynamically adjust characteristics of various components to receive a data signal at a higher bandwidth while consuming a relatively higher power.

Abstract translation: 公开了用于在控制信号和不同带宽的数据信号之间进行动态带宽切换的系统，方法，装置和计算机程序产品。 公开了帧格式，其中以与数据信号不同的带宽传输控制信号。 公开了用于接收信令格式的接收机架构。 接收机可以在消耗相对低的功率的同时接收相对窄带的控制信号，然后动态地调整各种组件的特性以在较高的带宽上接收数据信号，同时消耗较高的功率。

公开(公告)号：US20170026992A1

公开(公告)日：2017-01-26

申请号：US15051949

申请日：2016-02-24

Applicant: QUALCOMM Incorporated

Inventor： Jing Jiang ,  Peter Pui Lok Ang ,  Krishna Kiran Mukkavilli ,  Tingfang Ji ,  John Edward Smee

IPC: H04W72/12 ,  H04L5/14

CPC classification number: H04W72/1263 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0055 ,  H04L5/1469

Abstract: Aspects of the present disclosure provide a time division duplex (TDD) subframe structure that supports both single and multiple interlace modes of operation. In a single interlace mode, control information, data information corresponding to the control information and acknowledgement information corresponding to the data information are included in a single subframe. In a multiple interlace mode, at least one of the control information, the data information corresponding to the control information or the acknowledgement information corresponding to the data information is included in a different subframe. Both single and multiple interlace modes can be multiplexed together within the TDD subframe structure.

Abstract translation: 本公开的方面提供了支持单个和多个隔行操作模式的时分双工（TDD）子帧结构。 在单个交错模式中，控制信息，对应于控制信息的数据信息和对应于数据信息的确认信息被包括在单个子帧中。 在多交错模式中，控制信息，对应于控制信息的数据信息或对应于数据信息的确认信息中的至少一个被包括在不同的子帧中。 单个和多个隔行扫描模式可以在TDD子帧结构内复用在一起。

公开(公告)号：US20160277944A1

公开(公告)日：2016-09-22

申请号：US14996902

申请日：2016-01-15

Applicant: QUALCOMM Incorporated

Inventor： Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Tingfang Ji ,  John Edward Smee ,  Jing Jiang ,  Joseph Binamira Soriaga

IPC: H04W24/02 ,  H04W72/04

CPC classification number: H04W24/02 ,  H04L1/0079 ,  H04L1/1854 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0096 ,  H04L5/14 ,  H04L5/1469 ,  H04W72/0413 ,  H04W72/042 ,  H04W72/0426 ,  H04W72/0446

Abstract: Techniques are described for wireless communication. A first method includes wirelessly communicating at a first device, with a second device, according to a first subframe structure; receiving a subframe truncation parameter from the second device; and terminating the first subframe structure based at least in part on the subframe truncation parameter. The first subframe structure includes a first periodic sequence of downlink transmission time intervals (TTIs) and uplink TTIs. A second method includes wirelessly communicating at a first device, with a second device, according to a parameterized self-contained subframe structure having an interlaced portion and a tail portion; and reducing a delay indicated by a nominal trigger-response delay parameter associated with a downlink TTI, to enable a response message corresponding to the downlink TTI to be transmitted during the tail portion and before termination of the subframe structure.

Abstract translation: 技术描述为无线通信。 第一种方法包括根据第一子帧结构在第一设备与第二设备之间进行无线通信; 从所述第二设备接收子帧截断参数; 以及至少部分地基于所述子帧截断参数终止所述第一子帧结构。 第一子帧结构包括下行链路传输时间间隔（TTI）和上行链路TTI的第一周期序列。 第二种方法包括：根据具有隔行扫描部分和尾部的参数化独立子帧结构，在第一设备与第二设备之间进行无线通信; 并减少由与下行链路TTI相关联的标称触发响应延迟参数指示的延迟，以使得能够在子帧结构的尾部和终止期间发送与下行链路TTI相对应的响应消息。

公开(公告)号：US20160269164A1

公开(公告)日：2016-09-15

申请号：US14938790

申请日：2015-11-11

Applicant: QUALCOMM Incorporated

Inventor： Jing Jiang ,  Joseph Binamira Soriaga ,  Tingfang Ji ,  Krishna Kiran Mukkavilli ,  John Edward Smee

IPC: H04L5/00 ,  H04B7/08 ,  H04W72/04 ,  H04L1/18

CPC classification number: H04L5/0055 ,  H04B7/086 ,  H04L1/0052 ,  H04L1/1812 ,  H04L1/1858 ,  H04L25/03834 ,  H04W72/0453

Abstract: A system and method for low latency acknowledgements includes a communication unit that includes a processor, a transmitter coupled to the processor, and a receiver coupled to the processor. The communication unit is configured to transmit a message to another communication unit, receive a first group of one or more repetitions of an acknowledgement signal from the another communication unit, and decode the acknowledgement signal prior to fully receiving a last repetition of a second group of one or more repetitions of the acknowledgement signal. The acknowledgement signal has a partially decodable structure. In some embodiments, each of the are repetitions of a same time domain waveform received during one symbol period. In some embodiments, a frequency domain characteristic of the time domain waveform consists of one non-zero tone for every K tones, K being equal to a sum of a number of repetition in the first and second groups.

Abstract translation: 用于低延迟确认的系统和方法包括通信单元，其包括处理器，耦合到处理器的发射器和耦合到处理器的接收器。 通信单元被配置为向另一个通信单元发送消息，从另一个通信单元接收一个或多个重复确认信号的第一组，并在完全接收到第二组的最后一次重复之前对确认信号进行解码 确认信号的一个或多个重复。 确认信号具有部分可解码的结构。 在一些实施例中，每一个是在一个符号周期期间接收到的相同时域波形的重复。 在一些实施例中，时域波形的频域特性由用于每K个音调的一个非零音调组成，K等于第一组和第二组中重复次数之和。

公开(公告)号：US20160269159A1

公开(公告)日：2016-09-15

申请号：US14866803

申请日：2015-09-25

Applicant: QUALCOMM Incorporated

Inventor： Joseph Binamira Soriaga ,  Jing Jiang ,  Krishna Kiran Mukkavilli ,  Naga Bhushan ,  Tingfang Ji ,  John Edward Smee

IPC: H04L5/00

CPC classification number: H04L5/0048 ,  H04B7/0452 ,  H04B7/0617 ,  H04L5/0051 ,  H04L25/0222 ,  H04L25/0398 ,  H04W72/0446

Abstract: Systems and techniques are disclosed to enhance the efficiency of available bandwidth between UEs and base stations. A UE transmits a sounding reference signal to the base station, which characterizes the uplink channel based on the SRS received and, using reciprocity, applies the channel characterization for the downlink channel. The base station may form the beam to the UE based on the uplink channel information obtained from the SRS. As the downlink channel changes the base station needs updated information to maintain its beamforming, meaning it needs a new SRS. Transmission of the SRS takes resources; to minimize this, the UE or the base station can determine a period during which the downlink channel will predictably remain coherent and set up a schedule for sending SRS. Alternatively, the UE or the base station can determine on demand that the channel is losing coherence and initiate an on demand SRS.

Abstract translation: 公开了系统和技术来增强UE和基站之间可用带宽的效率。 UE向基站发送探测参考信号，该基站基于所接收的SRS来表征上行链路信道，并且利用互易性对下行链路信道应用信道特性。 基站可以基于从SRS获得的上行链路信道信息向UE形成波束。 当下行链路信道改变时，基站需要更新的信息以维持其波束成形，这意味着它需要新的SRS。 SRS的传输需要资源; 为了使其最小化，UE或基站可以确定下行链路信道可预测地保持相干的周期，并且建立用于发送SRS的调度。 或者，UE或基站可以根据需要确定信道正在丢失一致性并且发起按需SRS。