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    • 61. 发明授权
    • MAC protocol for multi-channel wireless networks
    • 用于多通道无线网络的MAC协议
    • US09025578B2
    • 2015-05-05
    • US12937025
    • 2009-04-24
    • Carlos CordeiroBong-Jun KoKiran Challapali
    • Carlos CordeiroBong-Jun KoKiran Challapali
    • H04J3/00H04W48/10H04W88/18
    • H04W48/10H04W88/182
    • A distributed coordination of a wireless network operating on different channels is provided by dispatching a device on each ‘home’ channel to regularly visit other ‘foreign’ channels to propagate and listen to broadcast information on these channels. The information in the broadcast packets transmitted on the home channel is relayed to the devices on the foreign channels by the dispatched device, as a ‘proxy device’ that operates on behalf of the other devices in the home channel. In a preferred embodiment, various aspects of this proxy process are optimized to reduce overhead and delays. Each channel is configured to distinguish home devices from foreign devices, to avoid contention between home and foreign devices. Acquired beacon slots on foreign channels are reserved to facilitate returning proxy devices. At the home channel, an anchor device alerts other devices of the proxy device's temporary absence and preserves the proxy device's beacon slot on the home channel.
    • 通过在每个“家庭”频道上发送设备来定期访问其他“外部”频道来传播和收听这些频道上的广播信息,来提供在不同频道上操作的无线网络的分布式协调。 在归属信道上发送的广播分组中的信息被分配的设备中继到外部信道上的设备,作为代表家庭信道中的其他设备操作的“代理设备”。 在优选实施例中,优化该代理过程的各个方面以减少开销和延迟。 每个通道被配置为将家用设备与外部设备区分开,以避免家庭和外部设备之间的争用。 保留在外国频道上获取的信标插槽,以方便退回代理设备。 在家庭通道,锚设备向其他设备通知代理设备暂时不存在,并在家庭通道上保留代理设备的信标时隙。
    • 69. 发明申请
    • APPARATUS, SYSTEM AND METHOD OF ESTABLISHING A WIRELESS BEAMFORMED LINK
    • 建立无线BEAMFORMED链路的装置,系统和方法
    • US20140206406A1
    • 2014-07-24
    • US13870085
    • 2013-04-25
    • Carlos CordeiroBahareh SadeghiAlexander MaltsevVadim Sergeyev
    • Carlos CordeiroBahareh SadeghiAlexander MaltsevVadim Sergeyev
    • H04W72/04
    • H04W72/0453H04B7/0617H04B7/0619H04W72/0413H04W72/046H04W88/06H04W88/08
    • Some demonstrative embodiments include devices, systems and/or methods of establishing a wireless beamformed link. For example, an apparatus may include a wireless communication controller to control a first wireless communication device to communicate millimeter-wave (mmWave) signals with a second wireless communication device over a mmWave frequency band, the mmWave signals including signals transmitted according to a plurality of different transmit (Tx) beamforming settings, the wireless communication controller is to control the first wireless communication device to communicate feedback information, which is based on the mmWave signals, over a non-mmWave frequency band, and to control the first wireless communication device to establish with the second wireless communication device a beamformed link over the mmWave frequency band, the beamformed link using a Tx beamforming setting, which is determined based on the feedback information.
    • 一些演示实施例包括建立无线波束形成链路的设备,系统和/或方法。 例如,设备可以包括无线通信控制器,用于控制第一无线通信设备,以在mmWave频带上与第二无线通信设备通信毫米波(mmWave)信号,所述mmWave信号包括根据多个 不同的发送(Tx)波束形成设置,无线通信控制器将控制第一无线通信设备通过非mm波频率传送基于mmWave信号的反馈信息,并且控制第一无线通信设备 与第二无线通信设备建立在mmWave频带上的波束形成的链路,使用基于反馈信息确定的Tx波束成形设置的波束形成链路。
    • 70. 发明申请
    • METHODS AND ARRANGEMENTS FOR EXTENSION FRAMES IN WIRELESS NETWORKS
    • 无线网络中扩展框架的方法和布置
    • US20140198805A1
    • 2014-07-17
    • US13977705
    • 2011-12-31
    • Emily H. QiMinyoung ParkThomas J. kenneyCarlos Cordeiro
    • Emily H. QiMinyoung ParkThomas J. kenneyCarlos Cordeiro
    • H04L29/06
    • H04L69/22H04B7/2656H04W52/0216Y02D70/142Y02D70/144Y02D70/449
    • Embodiments provide a frame extension to generate short frames with short medium access control (MAC) headers to facilitate transmissions for wireless communications devices. Many embodiments comprise MAC sublayer logic to build short frames. In some embodiments, the MAC sublayer may determine a short MAC header comprising a type field indicative of an extension frame; a subtype indicative of a short management, data, or control frame; and a frame extension indicative of a particular type of short management, data, or control frame. Some embodiments may store the short frames or short frame formats in memory, in logic, or in another manner that facilitates transmission of the short frames. Some embodiments may receive and detect communications with the short frames. Further embodiments may generate and transmit a communication with the short frames.
    • 实施例提供了用于生成具有短介质访问控制(MAC)报头的短帧以便于无线通信设备的传输的帧扩展。 许多实施例包括构建短帧的MAC子层逻辑。 在一些实施例中,MAC子层可以确定包括指示扩展帧的类型字段的短MAC报头; 表示短管理,数据或控制帧的子类型; 以及指示特定类型的短管理,数据或控制帧的帧扩展。 一些实施例可以将短帧或短帧格式存储在存储器中,以逻辑方式存储,或以另一种方式存储,以便于短帧的传输。 一些实施例可以接收和检测与短帧的通信。 其他实施例可以生成并发送与短帧的通信。