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    • 71. 发明申请
    • Self-organizing multi-channel mesh network
    • 自组织多通道网状网络
    • US20060268791A1
    • 2006-11-30
    • US11129128
    • 2005-05-13
    • Alexander ChengZhifeng Tao
    • Alexander ChengZhifeng Tao
    • H04Q7/24
    • H04W72/1278H04W84/18H04W88/08H04W92/20
    • A system for self-organizing and auto-configuring mesh networks is disclosed. Special nodes (deemed special for their topological significance) are used as a starting point for forming clusters of fully connected nodes. Here, all nodes can communicate directly with one another and links are scheduled to meet the traffic requirements as indicated by their individual configuration and topological positions. Links that do not interfere with each other are scheduled to operate concurrently, thereby increasing the bandwidth offered by the whole system. When there is change to the system, such as leaving or introduction of a node, the system will adjust with minimum impact on its operation. Once all of the clusters are formed in a system, the clusters are now capable of inter-cluster communications with an increase in bandwidth for such communications.
    • 公开了一种用于自组织和自动配置网状网络的系统。 特殊节点(被认为是其特定的拓扑意义)被用作形成完全连接节点簇的起点。 这里,所有节点可以彼此直接通信,并且链路被调度以满足其各自配置和拓扑位置所指示的流量要求。 相互不干扰的链接被调度为并行运行,从而增加整个系统提供的带宽。 当系统发生变化,例如离开或引入节点时,系统将对其运行的影响最小化。 一旦所有的集群都在一个系统中形成,这些集群现在能够进行集群间通信,同时增加这种通信的带宽。
    • 72. 发明申请
    • Cooperative wireless communications, such as cooperative medium access control for example
    • 合作无线通信,例如协作媒体访问控制
    • US20060077942A1
    • 2006-04-13
    • US11246030
    • 2005-10-07
    • Shivendra PanwarPei LiuZhifeng Tao
    • Shivendra PanwarPei LiuZhifeng Tao
    • H04Q7/24
    • H04W40/00H04L45/121H04W84/18
    • When it is advantageous to do so, a wireless LAN station sends data packets to a destination station via an intermediate station, instead of to the destination station directly. That is, the intermediate station, which serves as a helper to the source, forwards packets received from the source station to the intended destination station. This cooperative data transmission approach can result in system performance improvement, as long as the total time consumed by two-hop transmission (i.e., transmission via the helper station) is less than direct transmission. Such a determination may be made using rate information stored at each station. Specifically, using the rate information, signaling needed to set up a transmission, the amount of data to be transmitted, etc., transmitting the data directly and via a help station may be compared.
    • 当这样做有利时,无线LAN站经由中间站将数据分组发送到目的站,而不是直接发送到目的站。 也就是说,作为来源的帮助者的中间站将从源站接收的分组转发到预定的目的地站。 只要通过两跳传输(即经由辅助站的传输)消耗的总时间小于直接传输,该协作数据传输方法可以导致系统性能改善。 可以使用存储在每个站处的速率信息来进行这样的确定。 具体地,可以比较速率信息,建立传输所需的信令,要发送的数据量等,直接和经由帮助台发送数据。
    • 73. 发明授权
    • Self-organizing multi-channel mesh network
    • 自组织多通道网状网络
    • US08750159B2
    • 2014-06-10
    • US12288381
    • 2008-10-20
    • Alexander L. ChengZhifeng Tao
    • Alexander L. ChengZhifeng Tao
    • H04L12/28
    • H04W72/1278H04W84/18H04W88/08H04W92/20
    • A system for self-organizing and auto-configuring mesh networks is disclosed. Special nodes (deemed special for their topological significance) are used as a starting point for forming clusters of fully connected nodes. Here, all nodes can communicate directly with one another and links are scheduled to meet the traffic requirements as indicated by their individual configuration and topological positions. Links that do not interfere with each other are scheduled to operate concurrently, thereby increasing the bandwidth offered by the whole system. When a node leaves or is introduced to the system, the system will adjust with minimum impact on its operation. Once all of the clusters are formed in a system, the clusters are now capable of inter-cluster communications with an increase in bandwidth for such communications.
    • 公开了一种用于自组织和自动配置网状网络的系统。 特殊节点(被认为是其特定的拓扑意义)被用作形成完全连接节点簇的起点。 这里,所有节点可以彼此直接通信,并且链路被调度以满足其各自配置和拓扑位置所指示的流量要求。 相互不干扰的链接被调度为并行运行,从而增加整个系统提供的带宽。 当节点离开或被引入系统时,系统将对其操作的影响最小化。 一旦所有的集群都在一个系统中形成,这些集群现在能够进行集群间通信,同时增加这种通信的带宽。
    • 75. 发明授权
    • Cooperative wireless communications
    • 合作无线通信
    • US08175003B2
    • 2012-05-08
    • US11937823
    • 2007-11-09
    • Shivendra S. PanwarPei LiuZhifeng Tao
    • Shivendra S. PanwarPei LiuZhifeng Tao
    • H04L12/28
    • H04W40/00H04L45/121H04W84/18
    • When it is advantageous to do so, a wireless LAN station sends data packets to a destination station via an intermediate station, instead of to the destination station directly. That is, the intermediate station, which serves as a helper to the source, forwards packets received from the source station to the intended destination station. This cooperative data transmission approach can result in system performance improvement, as long as the total time consumed by two-hop transmission (i.e., transmission via the helper station) is less than direct transmission. Such a determination may be made using rate information stored at each station. Specifically, using the rate information, signaling needed to set up a transmission, the amount of data to be transmitted, etc., transmitting the data directly and via a help station may be compared.
    • 当这样做有利时,无线LAN站经由中间站将数据分组发送到目的站,而不是直接发送到目的站。 也就是说,作为来源的帮助者的中间站将从源站接收的分组转发到预定的目的地站。 只要通过两跳传输(即经由辅助站的传输)消耗的总时间小于直接传输,该协作数据传输方法可以导致系统性能改善。 可以使用存储在每个站处的速率信息来进行这样的确定。 具体地,可以比较速率信息,建立传输所需的信令,要发送的数据量等,直接和经由帮助台发送数据。
    • 77. 发明申请
    • Method for Allocating Resources in Cell-Edge Bands of OFDMA Networks
    • OFDMA网络小区边缘资源分配方法
    • US20090201867A1
    • 2009-08-13
    • US12335379
    • 2008-12-15
    • Koon Hoo TeoZhifeng TaoXuehong MaoAmine Maaref
    • Koon Hoo TeoZhifeng TaoXuehong MaoAmine Maaref
    • H04W72/04
    • H04W72/082H04L5/0023H04L5/0037H04L5/006H04W52/243H04W52/283
    • A method allocates bandwidth from a radio frequency spectrum in a cellular network including a set of cells. Each cell includes a base station for serving a set of mobile stations in the cell. An area around each base station is partitioned into a center region and an edge region. In each base station, cell-center bandwidth for use by the mobile stations in the center region is reserved according to an inter-cell interference coordination (ICIC) protocol, and cell-edge bandwidth for use by the mobile stations in the edge region is reserved according to the ICIC protocol. The bandwidth can be fixed or adaptive to reduce the signaling overhead. The adaptive bandwidth can be further partitioned into reserved and the free bands. Mobile stations are classified as primary and secondary users, depending on whether they use or are assigned the fixed or adaptive band radio resources.
    • 一种方法从包括一组单元的蜂窝网络中的射频频谱中分配带宽。 每个小区包括用于服务小区中的一组移动站的基站。 每个基站周围的区域被划分为中心区域和边缘区域。 在每个基站中,根据小区间干扰协调(ICIC)协议来保留由中心区域的移动台使用的小区中心带宽,边缘区域中的移动台使用的小区边缘带宽是 根据ICIC协议保留。 带宽可以是固定的或自适应的,以减少信令开销。 自适应带宽可以进一步划分为保留和自由频带。 根据移动台是使用固定的还是自适应的无线电资源,移动台被分类为主要和次要用户。
    • 78. 发明授权
    • Frame aggregation in wireless communications networks
    • 无线通信网络中的帧聚合
    • US07474676B2
    • 2009-01-06
    • US10939210
    • 2004-09-10
    • Zhifeng TaoDaqing GuYukimasa Nagai
    • Zhifeng TaoDaqing GuYukimasa Nagai
    • H04J3/16
    • H04W28/06H04L1/1628
    • A method aggregates frames to be transmitted over a channel in a wireless network into a single frame. Multiple MSDU frames having identical destination addresses and identical traffic classes, received in the media access control layer from the logical link layer in a transmitting station are aggregated into a single aggregate MPDU frame, which can be transmitted on the channel to a receiving station. In addition, aggregate MSDU frames with different destination addresses and different traffic classes received from the media access control layer can be further aggregated into a single aggregate PPDU frame before transmission.
    • 一种方法将要在无线网络中的信道上发送的帧聚合成单个帧。 具有相同目的地址和相同业务类别的多个MSDU帧在媒体接入控制层中从发送站中的逻辑链路层被收集到单个聚合MPDU帧中,该帧可以在该信道上发送到接收站。 另外,从媒体接入控制层接收到的具有不同目的地址和不同业务类别的聚合MSDU帧可以在传输之前被进一步聚合成单个聚合PPDU帧。
    • 79. 发明授权
    • Cooperative wireless communications
    • 合作无线通信
    • US07330457B2
    • 2008-02-12
    • US11246030
    • 2005-10-07
    • Shivendra S. PanwarPei LiuZhifeng Tao
    • Shivendra S. PanwarPei LiuZhifeng Tao
    • H04Q7/20H04Q7/38
    • H04W40/00H04L45/121H04W84/18
    • When it is advantageous to do so, a wireless LAN station sends data packets to a destination station via an intermediate station, instead of to the destination station directly. That is, the intermediate station, which serves as a helper to the source, forwards packets received from the source station to the intended destination station. This cooperative data transmission approach can result in system performance improvement, as long as the total time consumed by two-hop transmission (i.e., transmission via the helper station) is less than direct transmission. Such a determination may be made using rate information stored at each station. Specifically, using the rate information, signaling needed to set up a transmission, the amount of data to be transmitted, etc., transmitting the data directly and via a help station may be compared.
    • 当这样做有利时,无线LAN站经由中间站将数据分组发送到目的站,而不是直接发送到目的站。 也就是说,作为来源的帮助者的中间站将从源站接收的分组转发到预定的目的地站。 只要通过两跳传输(即经由辅助站的传输)消耗的总时间小于直接传输,该协作数据传输方法可以导致系统性能改善。 可以使用存储在每个站处的速率信息来进行这样的确定。 具体地,可以比较速率信息,建立传输所需的信令,要发送的数据量等,直接和经由帮助台发送数据。