公开(公告)号：US20190013978A1

公开(公告)日：2019-01-10

申请号：US16011880

申请日：2018-06-19

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Bin Tian ,  Alfred Asterjadhi ,  George Cherian

IPC: H04L27/26 ,  H04L5/00

Abstract: Techniques are described herein that illustrate a feedback system to configure various format parameters of physical layer convergence procedure protocol data units (PPDUs) transmitted across a communication link. A receiving device may determine a Doppler shift or a delay spread of a signal received from a transmitting device. The receiving device may determine one or more format parameters for a future PPDU based on the Doppler shift or the delay spread. The receiving device may transmit an indication that includes the format parameters for the future PPDU to the transmitting device. The transmitting device may modify one or more format parameters of a PPDU based on the information in the indication. In some cases, the receiving device may indicate characteristics of mid-ambles, a type of PPDU, a guard interval, high efficiency long training field size for a future PPDU.

公开(公告)号：US20190007904A1

公开(公告)日：2019-01-03

申请号：US16022676

申请日：2018-06-28

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Yanjun Sun ,  Santosh Paul Abraham ,  Bin Tian

IPC: H04W52/02 ,  H04W52/54

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for generating wake-up radio (WUR) frames formats and implementing WUR communications between transmitting and receiving wireless devices. A transmitting wireless device may identify one or more intended receiving wireless devices for which to send a WUR frame. The transmitting wireless device may generate the WUR frame, where the WUR frame has a first portion that includes a first field. The first field may indicate whether the WUR frame is a fixed length frame or a variable length frame. The transmitting wireless device may also determine a frame check sequence (FCS) type for use with a WUR frame for transmission. The FCS portion may be capable of being one of a plurality of FCS types. The transmitting wireless device may transmit the WUR frame to the one or more intended receiving wireless devices.

公开(公告)号：US20190007901A1

公开(公告)日：2019-01-03

申请号：US16022586

申请日：2018-06-28

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  George Cherian ,  Yanjun Sun ,  Santosh Paul Abraham ,  Bin Tian

IPC: H04W52/02

Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for generating wake-up radio (WUR) frames formats and implementing WUR communications between transmitting and receiving wireless devices. A transmitting wireless device may identify one or more intended receiving wireless devices for which to send a WUR frame. The transmitting wireless device may generate the WUR frame, where the WUR frame has a first portion that includes a first field. The first field may indicate whether the WUR frame is a fixed length frame or a variable length frame. The transmitting wireless device may also determine a frame check sequence (FCS) type for use with a WUR frame for transmission. The FCS portion may be capable of being one of a plurality of FCS types. The transmitting wireless device may transmit the WUR frame to the one or more intended receiving wireless devices.

公开(公告)号：US10111258B2

公开(公告)日：2018-10-23

申请号：US15018790

申请日：2016-02-08

Applicant: QUALCOMM Incorporated

Inventor： Alfred Asterjadhi ,  Simone Merlin

IPC: H04W74/08 ,  H04L1/16 ,  H04L1/18 ,  H04L5/00 ,  H04L12/911 ,  H04W72/04 ,  H04W74/00 ,  H04W28/26

Abstract: Systems, methods, and devices for wireless communication are disclosed. In some aspects, a method includes receiving from a transmitting device, via a receiving device, a first wireless frame, the first wireless frame forming at least a portion of a wireless communication exchange between the transmitting device and the receiving device, transmitting to the transmitting device, in response to the first wireless frame, a second wireless frame indicating that the receiving device will enable protection for a remaining portion of the wireless communication exchange, transmitting during a contention period, in response to the indication, a frame reserving the wireless medium for a time period; and receiving, via the receiving device, the remaining portion of the wireless communication exchange from the transmitting device during the time period.

公开(公告)号：US10104611B2

公开(公告)日：2018-10-16

申请号：US15423782

申请日：2017-02-03

Applicant: QUALCOMM Incorporated

Inventor： Simone Merlin ,  Maarten Menzo Wentink ,  Zhi Quan ,  Alfred Asterjadhi

IPC: H04B1/38 ,  H04W52/02 ,  H04W68/02

Abstract: Systems and methods for low overhead paging in a wireless communications network are described herein. In some aspects, an apparatus for wireless communication includes a receiver and a processor. The receiver receives a request from a first device. The request indicates a first period of a plurality of periods corresponding to a periodicity for transmitting paging messages. The processor assigns the first device to a group scheduled to receive paging messages at most every first period based on the request and determines a start time for transmitting paging messages to the first device based on schedules for transmitting paging messages to a plurality of other devices. In other aspects, an apparatus for wireless communication includes a processor and memory. The processor derives an information sub-unit from an information unit associated with a paging message, compresses the information sub-unit, and generates a second information unit associated with the method of compression.

公开(公告)号：US20180206274A1

公开(公告)日：2018-07-19

申请号：US15842781

申请日：2017-12-14

Applicant: QUALCOMM Incorporated

Inventor： George Cherian ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou ,  Abhishek Pramod Patil ,  Venkata Ramanan Venkatachalam Jayaraman

IPC: H04W74/08 ,  H04B7/06 ,  H04W72/04

CPC classification number: H04W74/0858 ,  H04B7/024 ,  H04B7/0413 ,  H04B7/0617 ,  H04B7/0626 ,  H04L25/0226 ,  H04W72/046 ,  H04W84/18 ,  H04W88/02 ,  H04W88/08

Abstract: Methods and systems for sounding a wireless network are disclosed. In one aspect, a method includes receiving, by an access point a message including a beamforming report from a device. The device may be a station that is outside a basic service set of the access point. The method also includes transmitting a message to the device based on the beamforming report. For example, in some aspects, the access point may utilize the beamforming report to perform a coordinated beamforming, multi-access point transmission or a multi-access point MIMO transmission. In some aspects, the access point may transmit an interference nulling signal to the device based on the beamforming report. The nulling signal compensates for another simultaneous transmission by the access point that interferes with the device's reception of a message from an access point with which the device is associated.

公开(公告)号：US20180206174A1

公开(公告)日：2018-07-19

申请号：US15872805

申请日：2018-01-16

Applicant: QUALCOMM Incorporated

Inventor： Yan Zhou ,  Abhishek Pramod Patil ,  Venkata Ramanan Venkatachalam Jayaraman ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W40/02 ,  H04L12/709 ,  H04L29/12

CPC classification number: H04W40/02 ,  H04B1/0483 ,  H04B1/1615 ,  H04L1/1621 ,  H04L1/1628 ,  H04L5/0053 ,  H04L5/0055 ,  H04L45/245 ,  H04L47/34 ,  H04L47/41 ,  H04L61/6022 ,  H04L65/607 ,  H04L67/14 ,  H04W8/22 ,  H04W28/0215 ,  H04W28/0221 ,  H04W28/06 ,  H04W48/16 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/085 ,  H04W76/00 ,  H04W76/15 ,  H04W76/20 ,  H04W84/12 ,  H04W88/10 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/22 ,  Y02D70/40

Abstract: Methods, systems, and devices for wireless communication are described. Wireless devices may support parallel communications over multiple wireless links, which may benefit a wireless system in terms of throughput and latency (among other benefits). However, such systems may experience increased system complexity, which may in some cases mitigate some of the benefits provided by the parallel communication links. The described techniques provide for aggregation architectures that address various such complexities. For example, devices communicating in accordance with the described techniques may format data to be transmitted into a set of data units that are allocated to a communication link based on various factors described herein. Correspondingly, a device that receives the data packets may reorder the packets in accordance with the described techniques.

公开(公告)号：US20180205502A1

公开(公告)日：2018-07-19

申请号：US15872825

申请日：2018-01-16

Applicant: QUALCOMM Incorporated

Inventor： Simone Merlin ,  Yan Zhou ,  George Cherian ,  Abhishek Pramod Patil ,  Alfred Asterjadhi ,  Venkata Ramanan Venkatachalam Jayaraman

IPC: H04L1/16 ,  H04L5/00 ,  H04W76/15 ,  H04W88/10 ,  H04W84/12

CPC classification number: H04W40/02 ,  H04B1/0483 ,  H04B1/1615 ,  H04L1/1621 ,  H04L1/1628 ,  H04L5/0053 ,  H04L5/0055 ,  H04L45/245 ,  H04L47/34 ,  H04L47/41 ,  H04L61/6022 ,  H04L65/607 ,  H04L67/14 ,  H04W8/22 ,  H04W28/0215 ,  H04W28/0221 ,  H04W28/06 ,  H04W48/16 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/085 ,  H04W76/00 ,  H04W76/15 ,  H04W76/20 ,  H04W84/12 ,  H04W88/10 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/22 ,  Y02D70/40

Abstract: Methods, systems, and devices for multi-link wireless communication are described. A block acknowledgment (BA) agreement (e.g., a multi-link BA session) may be established based on exchanged multi-link capability information (e.g., a BA window size, BA scoreboarding information, one or more wireless link identifiers, etc.). In some cases, a BA agreement may be established across some or all of the multiple links. In other cases, a BA agreement may be established on a per-link basis. The BA agreement may further establish one or more sets of sequence numbers, as well as scoreboarding techniques used by the transmitting wireless device for the BA session. The wireless device may then transmit packets to another wireless device using multiple links, and receive a BA with acknowledgement information accounting for the transmitted packets according to the established BA agreement. BAs may be transmitted on one link or on multiple links by the receiving device.

公开(公告)号：US20180205429A1

公开(公告)日：2018-07-19

申请号：US15842683

申请日：2017-12-14

Applicant: QUALCOMM Incorporated

Inventor： Venkata Ramanan Venkatachalam Jayaraman ,  Abhishek Pramod Patil ,  George Cherian ,  Yan Zhou ,  Alfred Asterjadhi ,  Sameer Vermani

IPC: H04B7/0456 ,  H04B7/0452 ,  H04B7/024

CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/0452

Abstract: Methods and systems provide implementations for distributed MIMO communication. In one aspect, a method includes receiving a network message including data indicative of user data for transmission by a first access point to a first station over the wireless network prior to the transmission, generating precoded second data for transmission to the first station based on the data indicative of the user data, and transmitting, the precoded data to a third device. In some aspects, the precode data is transmitted by a second access point of a basic service set different than that of the first station to the first station as part of a distributed MIMO communication. In some other aspects, the precoded data is transmitted by a cluster controller to another access point having a basic service set different than that of the first station. The other access point may then transmit a signal based on the precode data to the first station simultaneously with the fist access point also transmitting to the first station. The two transmissions may form a portion of a distributed MIMO communication.

公开(公告)号：US20180184285A1

公开(公告)日：2018-06-28

申请号：US15903006

申请日：2018-02-22

Applicant: QUALCOMM Incorporated

Inventor： Abhishek Pramod Patil ,  Naveen Kumar Kakani ,  Alfred Asterjadhi ,  George Cherian

IPC: H04W8/30 ,  H04W8/00 ,  H04W8/26 ,  H04W92/20 ,  H04L29/12

CPC classification number: H04W8/30 ,  H04L61/2038 ,  H04L61/2046 ,  H04L61/6022 ,  H04W8/005 ,  H04W8/26 ,  H04W48/16 ,  H04W72/0406 ,  H04W74/002 ,  H04W84/12 ,  H04W92/20 ,  Y02D70/00 ,  Y02D70/10 ,  Y02D70/12 ,  Y02D70/122 ,  Y02D70/1224 ,  Y02D70/1244 ,  Y02D70/1246 ,  Y02D70/126 ,  Y02D70/1262 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/20 ,  Y02D70/22

Abstract: Methods, systems, and devices for wireless communications are described, including identifying a first attribute value associated with a first access point; receiving a second attribute value; and determining that the first attribute value associated with the first access point is the same as the received second attribute value. An attribute value may be an n-bit value, where n is an integer. The n-bit value may identify a BSS color. The n-bit value may, additionally or alternatively, indicate other BSS color information such as a BSSID, ESSID, SSID, or a combination thereof. It is helpful when devices detect BSS attribute value (e.g., BSS color, BSSID, MAC address, ESSID) overlap and notify other associated devices (e.g., STAs, APs) of this overlap so that a device may cease using an attribute value for power save or channel access decisions, and facilitate attribute value adjustment and correction to eliminate a BSS collision.