MEDIA ACCESS CONTROL RANGE EXTENSION
    43.
    发明申请

    公开(公告)号:US20180131421A1

    公开(公告)日:2018-05-10

    申请号:US15474979

    申请日:2017-03-30

    IPC分类号: H04B7/06 H04B7/0452

    摘要: This disclosure describes methods, apparatus, and systems related to media access control (MAC) range extension. A device may cause to append a training field to each of one or more beacon frames. The device may cause to send the one or more beacon frames directionally using a sector sweep to one or more responder devices during a first interval. The device may determine an extended schedule element to be sent to the one or more responder devices, the extended schedule element including one or more directional antenna sectors to be used by the device during a second interval. The device may identify a first frame from a first responder device, during the second interval, wherein the first frame is received on a directional antenna sector of the one or more directional antenna sectors corresponding to an operating sector of the first responder device.

    SYSTEMS AND METHODS FOR IMPLEMENTING BAND SERVICE DISCOVERY

    公开(公告)号:US20170251424A1

    公开(公告)日:2017-08-31

    申请号:US15459940

    申请日:2017-03-15

    申请人: Carlos Cordeiro

    发明人: Carlos Cordeiro

    IPC分类号: H04W48/14

    摘要: A system and method are provided for implementing unique multi-band service discovery protocols between communicating devices, including wireless communicating devices supporting operations according to multiple standards and in different frequency bands, particularly in peer-to-peer or ad hoc networking schemes. The disclosed systems and methods define within each service discovery frame, whether a service discovery query or a service discovery response, an indication of the frequency band and/or channel that may support a specific service indicated by the service discovery frame. Cooperating communicating devices between which communications are to be established supporting a specific service protocol are provided with a mechanism by which to identify which common frequency bands and/or channels the communicating devices may communicate in executing the specific service.

    CLEAR CHANNEL ASSESSMENT (CCA) IN WIRELESS NETWORKS

    公开(公告)号:US20170118774A1

    公开(公告)日:2017-04-27

    申请号:US15088591

    申请日:2016-04-01

    IPC分类号: H04W74/08 H04W74/00

    摘要: This disclosure describes methods, apparatus, and systems related to providing a source device more degrees of freedom in the performing CCA, and in using CCA for communicating with neighboring devices. Before accessing the channel, a source device may need to perform carrier sense multiple access with collision avoidance (CSMA/CA), the CSMA/CA additionally comprising CCA. In various embodiments, CCA can be performed either using quasi-omnidirectional receiving antenna(s), or using directional receiving antenna(s). In one embodiment, one or more requisite conditions for performing directional CCA can be specified. In another aspect, sensitivity level adjustments can be provided when performing directional CCA and/or quasi-omnidirectional CCA.

    Systems and methods for enabling service interoperability functionality for WiFi Direct devices connected to a network via a wireless access point
    47.
    发明授权
    Systems and methods for enabling service interoperability functionality for WiFi Direct devices connected to a network via a wireless access point 有权
    用于通过无线接入点连接到网络的WiFi直接设备的服务互操作性功能的系统和方法

    公开(公告)号:US09538561B2

    公开(公告)日:2017-01-03

    申请号:US14035276

    申请日:2013-09-24

    IPC分类号: H04W76/02 H04L29/08

    摘要: Certain embodiments herein are directed to enabling service interoperability functionality for wireless fidelity (WiFi) Direct devices connected to a network via a wireless access point. A WiFi Direct device may identify various other WiFi Direct devices on a WiFi network for performing a requested service, such as printing content or displaying content to a screen. In so doing, the device may share information associated with an access point to which the device is connected with the other devices, which may also share information associated with an access point to which they are connected. In this way, WiFi Direct devices may discover their connectivity with respect to other devices to utilize a broader array of connection options for implementing a desired service, and hence, may leverage application programming interface (API) modules directed at providing service interoperability functionality between software applications and services requested by the software applications.

    摘要翻译: 这里的某些实施例旨在实现经由无线接入点连接到网络的无线保真(WiFi)直接设备的服务互操作性功能。 WiFi直接设备可以识别WiFi网络上的各种其他WiFi直接设备,以执行所请求的服务,诸如打印内容或向屏幕显示内容。 这样做,设备可以共享与设备与其他设备连接的接入点相关联的信息,其他设备也可以共享与它们所连接的接入点相关联的信息。 以这种方式,WiFi Direct设备可以相对于其他设备发现其连接性,以利用更广泛的连接选项阵列来实现期望的服务,并且因此可以利用针对提供软件之间的服务互操作性功能的应用程序接口(API)模块 软件应用程序请求的应用程序和服务。

    Native medium access control support for beamforming

    公开(公告)号:US09467217B2

    公开(公告)日:2016-10-11

    申请号:US13494014

    申请日:2012-06-11

    申请人: Carlos Cordeiro

    发明人: Carlos Cordeiro

    摘要: Apparatuses, systems, and methods that enable native MAC support of beamforming are contemplated. An embodiment may comprise a mobile computing device, such as a laptop, with wireless communications capabilities, such as an integrated wireless networking card. The networking card of the laptop may transmit and receive various types of frame data using one or more beamforming techniques. Upon establishing a link with another wireless device, the laptop may sense that the link quality is degrading. Instead of having to reestablish a new link using dedicated BF frames and the conventional BF protocol, embodiments described herein may instead transmit beamforming information in various types of frames which enable the wireless communication devices to adjust the beamforming parameters in a more efficient manner. For example, the devices may include beamforming information in control frames and data frames and transmit the frames in a sweeping sector fashion.

    MIMO AND BANDWIDTH SIGNALING IN MILLIMETER-WAVE SYSTEMS
    49.
    发明申请
    MIMO AND BANDWIDTH SIGNALING IN MILLIMETER-WAVE SYSTEMS 有权
    MIMO和带宽信号在毫米波系统中的应用

    公开(公告)号:US20150349857A1

    公开(公告)日:2015-12-03

    申请号:US14293878

    申请日:2014-06-02

    IPC分类号: H04B7/04 H04L29/06

    CPC分类号: H04B7/0413 H04L69/22

    摘要: Techniques to enable dynamic bandwidth management at the physical layer level while maintaining backwards compatibility in wireless systems is provided. Furthermore, techniques for reducing the occurrence of exposed nodes are provided. A transmitter may transmit a frame including an indication that a PHY layer sub-header defining a bandwidth associated with a channel is present. Furthermore, the transmitter may transmit a third frame after receiving a second frame from a receiver to indicate to legacy stations that the TXOP was successful.

    摘要翻译: 提供了在物理层级实现动态带宽管理同时在无线系统中保持向后兼容性的技术。 此外,提供了用于减少暴露节点的发生的技术。 发射机可以发送包括指示定义与信道相关联的带宽的PHY层子标题存在的指示的帧。 此外,发射机可以在从接收机接收到第二帧之后发送第三帧,以向传统站点指示TXOP成功。