公开(公告)号：US20170280421A1

公开(公告)日：2017-09-28

申请号：US15618960

申请日：2017-06-09

Applicant: Apple Inc.

Inventor： Harish Ramamurthy ,  Kapil Chhabra ,  Matthew L. Semersky ,  Daniel R. Borges ,  Charles F. Dominguez

IPC: H04W72/00 ,  H04L1/16 ,  H04L1/18 ,  H04W72/12 ,  H04L1/20

CPC classification number: H04W72/005 ,  H04L1/1614 ,  H04L1/1685 ,  H04L1/1854 ,  H04L1/1867 ,  H04L1/203 ,  H04L2001/0093 ,  H04W72/1289

Abstract: This document describes multicast communication between wireless devices. A scheduling frame may be wirelessly transmitted by a wireless device. The scheduling frame may include a multicast address indicating a group of intended receiving devices for a payload frame. The scheduling frame may further include scheduling information indicating an order for the group of intended receiving devices to transmit acknowledgement information for the payload frame. A payload frame may also be wirelessly transmitted by the wireless device. The payload frame may include payload information intended for the group of intended receiving devices. Additionally, acknowledgement frames may be wirelessly received by the wireless device from at least a subset of the group of intended receiving devices. The acknowledgement frames may be received according to the order indicated in the scheduling information.

公开(公告)号：US09661558B2

公开(公告)日：2017-05-23

申请号：US13719004

申请日：2012-12-18

Applicant: Apple Inc.

Inventor： Charles F. Dominguez

IPC: H04W4/00 ,  H04W48/16 ,  H04W8/00 ,  H04W4/08 ,  H04W4/20

CPC classification number: H04W48/16 ,  H04W4/00 ,  H04W4/08 ,  H04W4/21 ,  H04W4/80 ,  H04W8/005

Abstract: Various embodiments for service constraint advertisement and discovery are provided. Each wireless device in a group of wireless devices can multicast a service advertisement frame to advertise a service provided, a discovery request frame to request for a service, a discovery response frame in response of a discovery request frame if the wireless device can provide the requested service, or a discovery proxy response frame in response of a discovery request frame if another wireless device can provide the requested service. The frames include information related to one or more services and capabilities, availability schedule, frequency band in use, and other information. This allows a new device joining the group to accomplish device discovery and service discovery at the same time. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

公开(公告)号：US20150347328A1

公开(公告)日：2015-12-03

申请号：US14475267

申请日：2014-09-02

Applicant: Apple Inc.

Inventor： Charles F. Dominguez ,  Ashima Kapur ,  Kiran Kattel

IPC: G06F13/24 ,  G06F9/54

CPC classification number: G06F13/24 ,  G06F9/544 ,  G06F2209/548

Abstract: An electronic device may include an applications processor that communicates with a peripheral input-output (I/O) device using a coprocessor. The applications processor may include a first interprocessor communications (IPC) module, whereas the coprocessor may include a second IPC module for interfacing with the first IPC module. The first IPC module may forward a group of transactions to a submission queue and may ring a submission doorbell interrupt to signal that work items are pending in the submission queue. In response, the second IPC module may dequeue the work items from the submission queue and process these items at the I/O device. The second IPC module may provide a group of completed transactions to a completion queue and may ring a completion doorbell interrupt to signal that items are pending in the completion queue. Thereafter, the completed items are forwarded to other parts of the applications processor for processing.

Abstract translation: 电子设备可以包括使用协处理器与外围输入输出（I / O）设备通信的应用处理器。 应用处理器可以包括第一处理器间通信（IPC）模块，而协处理器可以包括用于与第一IPC模块进行接口的第二IPC模块。 第一个IPC模块可以将一组事务转发到提交队列，并且可以响应提交的门铃中断来表明在提交队列中工作项目正在等待。 作为响应，第二个IPC模块可以从提交队列中出现工作项，并在I / O设备处理这些项。 第二个IPC模块可以将一组已完成的事务提供给完成队列，并且可以响铃完成门铃中断以指示项目在完成队列中待处理。 此后，完成的项目被转发到应用处理器的其他部分进行处理。

公开(公告)号：US20150092652A1

公开(公告)日：2015-04-02

申请号：US14088898

申请日：2013-11-25

Applicant: Apple Inc.

Inventor： Harish Ramamurthy ,  Kapil Chhabra ,  Matthew L. Semersky ,  Daniel R. Borges ,  Charles F. Dominguez

IPC: H04W72/00

CPC classification number: H04W72/005 ,  H04L1/1614 ,  H04L1/1685 ,  H04L1/1854 ,  H04L1/1867 ,  H04L1/203 ,  H04L2001/0093 ,  H04W72/1289

Abstract: This document describes multicast communication between wireless devices. A scheduling frame may be wirelessly transmitted by a wireless device. The scheduling frame may include a multicast address indicating a group of intended receiving devices for a payload frame. The scheduling frame may further include scheduling information indicating an order for the group of intended receiving devices to transmit acknowledgement information for the payload frame. A payload frame may also be wirelessly transmitted by the wireless device. The payload frame may include payload information intended for the group of intended receiving devices. Additionally, acknowledgement frames may be wirelessly received by the wireless device from at least a subset of the group of intended receiving devices. The acknowledgement frames may be received according to the order indicated in the scheduling information.

Abstract translation: 本文档描述了无线设备之间的组播通信。 调度帧可以由无线设备无线发送。 调度帧可以包括指示用于有效载荷帧的一组预期接收设备的多播地址。 调度帧还可以包括指示预定接收设备组的顺序的调度信息，以发送有效载荷帧的确认信息。 有效载荷帧也可以由无线设备无线传输。 有效载荷帧可以包括旨在用于预期接收设备组的有效载荷信息。 另外，确认帧可以由无线设备从预期接收设备组的至少一个子集无线地接收。 可以根据调度信息中指示的顺序接收确认帧。