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    • 1. 发明申请
    • GROUP ADDRESSING FOR MULTICAST TRANSMISSIONS FOR POWER SAVINGS AT PHYSICAL LAYER
    • 用于物理层节电的多播传输的组寻址
    • WO2013039642A1
    • 2013-03-21
    • PCT/US2012/051030
    • 2012-08-16
    • CISCO TECHNOLOGY, INC.HEDAYAT, AhmadrezaHART, Brian, D.
    • HEDAYAT, AhmadrezaHART, Brian, D.
    • H04W8/18H04W4/06
    • H04W8/186H04L12/189H04W72/121Y02D70/1262Y02D70/142
    • Techniques are provided to enable group addressing for multicast transmissions in a frame that is configured to support multi-user transmissions. The frame comprises a header field that is configured to indicate to recipient devices associated with a multi-user transmission interval during which time, frequency and spatial channel resources are allocated to allow for the transmission of a data frame or simultaneous transmission of corresponding ones of a plurality of data frames to respective recipient devices. In the header field, group identification information is wirelessly transmitted that indicates a group of recipient devices which are to receive a transmission during the multi-user transmission interval. Data is wirelessly transmitted for a multicast transmission during the multi-user transmission interval that follows the header field, where the multicast transmission is intended for a group of recipient devices that are members of a multicast group corresponding to the group identification information contained in the header field.
    • 提供技术以使得能够在被配置为支持多用户传输的帧中进行组播传输的组寻址。 帧包括报头字段,其被配置为向与多用户传输间隔相关联的接收方设备指示该时间,频率和空间信道资源被分配以允许传输数据帧或同时传输相应的一个 多个数据帧到相应的接收设备。 在报头字段中,无线发送组识别信息,其指示在多用户传输间隔期间要接收传输的一组接收者设备。 在头部字段之后的多用户传输间隔期间,数据被无线地传输用于多播传输,其中多播传输旨在用作与包含在标题中的组标识信息相对应的组播组成员的一组接收者设备 领域。
    • 5. 发明申请
    • MEDIUM RESERVATION TECHNIQUES FOR MULTI-USER TRANSMISSIONS
    • 多用途传输的中期预留技术
    • WO2012082282A1
    • 2012-06-21
    • PCT/US2011/060539
    • 2011-11-14
    • CISCO TECHNOLOGY, INC.HEDAYAT, AhmadrezaHART, Brian, D.
    • HEDAYAT, AhmadrezaHART, Brian, D.
    • H04W74/08H04L5/00
    • H04W74/0816
    • Techniques are provided for a multi-user reservation sequence used when transmitting a multi-user transmission in a wireless network. At a wireless access point device configured to operate in a wireless network, a multi-user request-to-send packet is transmitted as part of a multi-user reservation sequence prior to a multi-user transmission from the wireless access point device to a plurality of wireless client devices that are the intended recipients for the multi-user transmission. The multi-user request-to-send packet comprises duration information and address information configured to address at least some of the plurality of wireless client devices. Clear-to-send packets transmitted from two or more of the plurality of wireless client devices in response to the multi-user request-to-send packet are received at the wireless access point device. Each clear-to-send packet comprises identical content. In some scenarios, the multi-user request-to-send packet is preceded by a single-user request-to- send packet directed to a designated wireless client device.
    • 为在无线网络中发送多用户传输时使用的多用户预留序列提供技术。 在被配置为在无线网络中操作的无线接入点设备处,多用户请求发送分组作为多用户预留序列的一部分被传输,在多用户从无线接入点设备传输到第 作为多用户传输的预期接收者的多个无线客户端设备。 所述多用户请求发送分组包括被配置为寻址所述多个无线客户端设备中的至少一些的持续时间信息和地址信息。 在无线接入点设备处接收响应于多用户请求发送分组的从多个无线客户端设备中的两个或更多个无线客户端设备发送的清除发送分组。 每个清除发送分组包括相同的内容。 在一些情况下,多用户请求发送分组之前是指向指定的无线客户端设备的单用户请求发送分组。
    • 6. 发明申请
    • RADIO PLANNING FOR WLANS
    • WLAN无线电规划
    • WO2007030248A1
    • 2007-03-15
    • PCT/US2006/030752
    • 2006-08-07
    • CISCO TECHNOLOGY, INC.HART, Brian, D.DOUGLAS, Bretton, LeeQIAN, Lu
    • HART, Brian, D.DOUGLAS, Bretton, LeeQIAN, Lu
    • H04Q7/36H04L12/56H04L12/28
    • H04W16/18
    • Described herein are a computer-implemented method of determining a power plan/frequency plan combination assigning transmit frequency channels and transmit powers for a plurality of managed access points (APs) of a wireless network. Also described herein is a carrier medium carrying computer readable code configured to cause one or more processors of a processing system to implement the computer implemented method of determining a power plan/frequency plan combination. The method includes determining candidate power plans for the access points, including determining candidate transmit powers for the access' points, determining a candidate frequency plan corresponding to each of the determined candidate power plans using a frequency plan determining method to determine a set of candidate power plan/frequency plan combinations, and rating each combination of a candidate power plan and candidate frequency plan according to an evaluation criterion, and selecting a preliminary power plan/frequency plan combination based on the rating. One embodiment of the method further includes determining a final power plan for the preliminary frequency plan of the preliminary power plan/frequency plan combination to obtain a final power plan/frequency plan combination.
    • 这里描述了一种计算机实现的方法,用于确定为无线网络的多个受管接入点(AP)分配发射频率信道和发射功率的功率计划/频率计划组合。 这里还描述了承载计算机可读代码的载体介质,其被配置为使得处理系统的一个或多个处理器实现计算机实现的确定功率计划/频率计划组合的方法。 该方法包括确定接入点的候选功率计划,包括确定接入点的候选发射功率,使用频率计划确定方法确定与每个确定的候选功率计划相对应的候选频率计划,以确定一组候选功率 计划/频率计划组合,并根据评估标准对候选电力计划和候选频率计划的每个组合进行评级,以及基于评级来选择初步电力计划/频率计划组合。 该方法的一个实施例还包括确定初步功率计划/频率计划组合的初步频率计划的最终功率计划以获得最终功率计划/频率计划组合。