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    • 45. 发明申请
    • METHODS AND ARRANGEMENTS FOR CHANNEL ACCESS IN WIRELESS NETWORKS
    • 无线网络中信道接入的方法和安排
    • US20140153463A1
    • 2014-06-05
    • US13977697
    • 2011-12-30
    • Minyoung ParkEmily H. Qi
    • Minyoung ParkEmily H. Qi
    • H04W52/02
    • H04W52/0235H04W52/0216H04W74/08Y02D70/142Y02D70/144
    • Embodiments may define traffic priorities to facilitate transmissions for wireless communications devices. Many embodiments comprise MAC sublayer logic to generate and transmit management frames such as beacon frames, association response frames, reassociation response frames, and probe response frames with an access category for low power consumption stations or sensor stations comprising a parameter record defining a contention window that is the earliest contention window to open amongst contention windows defined for the access categories for traffic. In some embodiments, the MAC sublayer logic may store the parameter record sets for access categories in memory, in logic, or in another manner that facilitates transmission of the frames. Some embodiments may receive and detect communications with frames comprising the access categories and store a parameter set for one or more of the access categories in a management information base.
    • 实施例可以定义业务优先级以便于无线通信设备的传输。 许多实施例包括MAC子层逻辑,用于生成和发送管理帧,例如信标帧,关联响应帧,重新关联响应帧以及具有用于低功耗站或传感器站的传感器站的探测响应帧,所述访问类别包括定义竞争窗口的参数记录, 是为针对流量的访问类别定义的争用窗口中最早的竞争窗口。 在一些实施例中,MAC子层逻辑可以存储用于存储器中的访问类别的参数记录集,逻辑或以促进帧的传输的另一种方式。 一些实施例可以接收和检测与包括访问类别的帧的通信,并且在管理信息库中存储用于一个或多个访问类别的参数集。
    • 48. 发明申请
    • POWER MANAGEMENT IN A WIRELESS NETWORK HAVING STATIONS WITH DIFFERENT POWER CAPABILITIES
    • 具有不同功率能力的无线网络的电力管理
    • US20120147800A1
    • 2012-06-14
    • US13074464
    • 2011-03-29
    • Minyoung ParkEmily H. Qi
    • Minyoung ParkEmily H. Qi
    • H04W52/02
    • H04W52/0216H04W52/0261Y02D70/1224Y02D70/1262Y02D70/142Y02D70/144Y02D70/146Y02D70/162
    • In a wireless network, information regarding the power capabilities of a wireless device may be communicated to a wireless AP. The device itself may transmit such information, which may include a Max Idle Time period. The device may communicate the information within an association or re-association frame, for example as a parameter in a BSS Low Power Capability element. The AP may receive the information and set a keep-alive time period for the device based on the information. The AP may set the keep-alive time period to be equal to or greater than the Max Idle period. The AP may further communicate the keep-alive time period to the device, for example in an association or re-association response frame as a BSS Max Idle period element. In this way, the AP may apply different sets of parameters, such as different keep-alive time periods, to different classes of stations.
    • 在无线网络中,关于无线设备的功率能力的信息可以被传送到无线AP。 设备本身可以发送这样的信息,其可以包括最大空闲时间周期。 设备可以在关联或重新关联帧内传送信息,例如作为BSS低功率能力元素中的参数。 AP可以基于该信息接收信息并为设备设置保持活动时间段。 AP可以将保持活动时间段设置为等于或大于最大空闲周期。 AP可以进一步将保活时间周期传送到设备,例如在关联或重新关联响应帧中作为BSS Max Idle周期元素。 以这种方式,AP可以向不同类别的站应用不同的参数集合,例如不同的保持活动时间段。
    • 50. 发明授权
    • System and method for enabling low power devices
    • 实现低功耗设备的系统和方法
    • US09398529B2
    • 2016-07-19
    • US13997236
    • 2011-12-15
    • Minyoung ParkRobert J. StaceyEmily H. Qi
    • Minyoung ParkRobert J. StaceyEmily H. Qi
    • H04W52/02H04W74/06
    • H04W52/0216H04W52/0209H04W74/06H04W84/12Y02D70/00Y02D70/142Y02D70/144Y02D70/146Y02D70/168
    • Various embodiments are directed to a wireless access point capable of reserving a wireless communication channel by sending a quiet message to multiple legacy devices. The quiet message may include data identifying periodic quiet durations during which the legacy devices cannot access the wireless communication channel. The wireless access point may send a polling schedule to the multiple low power wireless devices. The polling schedule may include data identifying the periodic quiet durations. The wireless access point may then poll the multiple low power wireless devices during the periodic quiet durations. The low power wireless devices can exchange data with the wireless access point during the quiet durations. The quiet message sent to the legacy devices guarantees that the legacy devices will not use the specified channel during the quiet durations. Thus, communications with the low power wireless devices may occur without interference from the legacy devices.
    • 各种实施例涉及能够通过向多个传统设备发送安静消息来保留无线通信信道的无线接入点。 静默消息可以包括识别传统设备不能访问无线通信信道的周期性静默持续时间的数据。 无线接入点可以向多个低功率无线设备发送轮询时间表。 轮询时间表可以包括识别周期性安静持续时间的数据。 然后,无线接入点可以在周期性静默期间轮询多个低功率无线设备。 低功率无线设备可以在安静的持续时间内与无线接入点交换数据。 发送到传统设备的安静消息保证传统设备在安静持续时间内不会使用指定的频道。 因此,与低功率无线设备的通信可以在没有来自传统设备的干扰的情况下发生。