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    • 1. 发明授权
    • Method and apparatus for controlling access to a communication channel
    • 用于控制对通信信道的访问的方法和装置
    • US07881328B2
    • 2011-02-01
    • US12267258
    • 2008-11-07
    • Herman ChienJin-Meng HoLiang A. HongElliott HooleKin K. Leung
    • Herman ChienJin-Meng HoLiang A. HongElliott HooleKin K. Leung
    • H04L12/413
    • H04W74/0816H04W74/002H04W74/0833
    • A method and an apparatus provide for controlled access to a shared communication medium. Time slots on a forward channel include information regarding status useful for remote units to determine whether a reverse channel is available for seizure. Additionally, information along the forward channel provides guidance to the remote units to control attempts to seize the reverse channel. In one embodiment a remote unit divides a data package into a plurality of portions and attempts to seize the reverse channel using a single portion of the data package which corresponds to one time slot on the reverse channel. It then waits until it receives notification along the forward channel that the first data portion was successfully received before it attempts to send any of the remainder of its data in consecutive time slots on the reverse channel.
    • 方法和装置提供对共享通信介质的受控访问。 前向信道上的时隙包括关于用于远程单元确定反向信道是否可用于发作的状态的信息。 此外,沿着前向信道的信息为远程单元提供指导以控制占用反向信道的尝试。 在一个实施例中,远程单元将数据包分成多个部分,并尝试使用对应于反向信道上的一个时隙的数据包的单个部分来占用反向信道。 然后它等待直到它在前向信道上接收到第一数据部分被成功接收到的通知,然后它尝试在反向信道上的连续时隙中发送其数据的其余部分。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING ACCESS TO A COMMUNICATION CHANNEL
    • 用于控制通信通道访问的方法和装置
    • US20090092155A1
    • 2009-04-09
    • US12267258
    • 2008-11-07
    • Herman CHIENJin-Meng HoLiang A. HongElliott HooleKin K. Leung
    • Herman CHIENJin-Meng HoLiang A. HongElliott HooleKin K. Leung
    • H04J3/00
    • H04W74/0816H04W74/002H04W74/0833
    • A method and an apparatus provide for controlled access to a shared communication medium. Time slots on a forward channel include information regarding status useful for remote units to determine whether a reverse channel is available for seizure. Additionally, information along the forward channel provides guidance to the remote units to control attempts to seize the reverse channel. In one embodiment a remote unit divides a data package into a plurality of portions and attempts to seize the reverse channel using a single portion of the data package which corresponds to one time slot on the reverse channel. It then waits until it receives notification along the forward channel that the first data portion was successfully received before it attempts to send any of the remainder of its data in consecutive time slots on the reverse channel.
    • 方法和装置提供对共享通信介质的受控访问。 前向信道上的时隙包括关于用于远程单元确定反向信道是否可用于发作的状态的信息。 此外,沿着前向信道的信息为远程单元提供指导以控制占用反向信道的尝试。 在一个实施例中,远程单元将数据包分成多个部分,并尝试使用对应于反向信道上的一个时隙的数据包的单个部分来占用反向信道。 然后它等待直到它在前向信道上接收到第一数据部分被成功接收到的通知,然后它尝试在反向信道上的连续时隙中发送其数据的其余部分。
    • 4. 发明授权
    • Method and apparatus for controlling access to a communication channel
    • 用于控制对通信信道的访问的方法和装置
    • US07457307B1
    • 2008-11-25
    • US11195876
    • 2005-08-03
    • Herman ChienJin-Meng HoLiang A. HongEliott HooleKin K. Leung
    • Herman ChienJin-Meng HoLiang A. HongEliott HooleKin K. Leung
    • H04L12/413
    • H04W74/0816H04W74/002H04W74/0833
    • A method and an apparatus provide for controlled access to a shared communication medium. Time slots on a forward channel include information regarding status useful for remote units to determine whether a reverse channel is available for seizure. Additionally, information along the forward channel provides guidance to the remote units to control attempts to seize the reverse channel. In one embodiment a remote unit divides a data package into a plurality of portions and attempts to seize the reverse channel using a single portion of the data package which corresponds to one time slot on the reverse channel. It then waits until it receives notification along the forward channel that the first data portion was successfully received before it attempts to send any of the remainder of its data in consecutive time slots on the reverse channel.
    • 方法和装置提供对共享通信介质的受控访问。 前向信道上的时隙包括关于用于远程单元确定反向信道是否可用于发作的状态的信息。 另外,沿着前向信道的信息为远程单元提供指导,以控制占用反向信道的尝试。 在一个实施例中,远程单元将数据包分成多个部分,并尝试使用对应于反向信道上的一个时隙的数据包的单个部分来占用反向信道。 然后它等待直到它在前向信道上接收到第一数据部分被成功接收到的通知,然后它尝试在反向信道上的连续时隙中发送其数据的其余部分。
    • 5. 发明授权
    • Method and apparatus for controlling access to a communication channel
    • 用于控制对通信信道的访问的方法和装置
    • US06404753B1
    • 2002-06-11
    • US09148316
    • 1998-09-04
    • Herman ChienKin K. Leung
    • Herman ChienKin K. Leung
    • H04Q720
    • H04W72/14H04W84/14
    • A method and an apparatus provide for controlled access to a shared communication medium. Time slots on a forward channel include information regarding status useful for remote units to determine whether a reverse channel is available for seizure. Additionally, information along the forward channel provides guidance to the remote units to control attempts to seize the reverse channel. In one embodiment a remote unit divides a data package into a plurality of portions and attempts to seize the reverse channel using a single portion of the data package which corresponds to one time slot on the reverse channel. It then waits until it receives notification along the forward channel that the first data portion was successfully received before it attempts to send any of the remainder of its data in consecutive time slots on the reverse channel.
    • 方法和装置提供对共享通信介质的受控访问。 前向信道上的时隙包括关于用于远程单元确定反向信道是否可用于发作的状态的信息。 此外,沿着前向信道的信息为远程单元提供指导以控制占用反向信道的尝试。 在一个实施例中,远程单元将数据包分成多个部分,并尝试使用对应于反向信道上的一个时隙的数据包的单个部分来占用反向信道。 然后它等待直到它在前向信道上接收到第一数据部分被成功接收到的通知,然后它尝试在反向信道上的连续时隙中发送其数据的其余部分。
    • 9. 发明授权
    • Method and apparatus for a high-capacity cellular network by improved sectorization and interleaved channel assignment
    • 通过改进的扇区化和交织的信道分配,高容量蜂窝网络的方法和装置
    • US06311068B1
    • 2001-10-30
    • US09321047
    • 1999-05-27
    • Kin K. LeungLi-Chun Wang
    • Kin K. LeungLi-Chun Wang
    • H04Q736
    • H04W16/12H04W16/02H04W16/24H04W28/16
    • A method and apparatus for a high-capacity cellular network by improved sectorization and interleaved channel assignment is presented. Data transmission over a cellular network is carried out by implementation of a sectorization scheme, called the Narrow-Beam Quad-sector Cell (NBQC) sectorization scheme, and the corresponding Interleaved Channel Assignments (ICA). The NBQC sectorization scheme calls for each cell of a cellular network to be divided into four sectors, with each sector covered by a 60 degree antenna. Use of the NBQC sectorization scheme allows for implementation of the corresponding ICA, in which assignment of transmission channels to each cell is based on a re-use factor of N=2. Accordingly, the interleaved channel assignments allow for the use of the transmission channels in cells which are adjacent in the cellular network.
    • 提出了一种通过改进的扇区化和交织的信道分配来实现高容量蜂窝网络的方法和装置。 通过实现称为窄波束四分区小区(NBQC)扇区化方案和相应的交织信道分配(ICA)的扇区化方案来实现蜂窝网络上的数据传输。 NBQC扇区化方案要求将蜂窝网络的每个小区划分为四个扇区,每个扇区由60度天线覆盖。 使用NBQC扇区化方案允许实现相应的ICA,其中对每个小区的传输信道的分配基于N = 2的重用因子。 因此,交织的信道分配允许在蜂窝网络中相邻的小区中使用传输信道。
    • 10. 发明授权
    • Synchronization methods for distributed processing systems having
replicated data
    • 具有复制数据的分布式处理系统的同步方法
    • US6021118A
    • 2000-02-01
    • US795263
    • 1997-02-10
    • David J. HouckKin K. LeungPeter M. Winkler
    • David J. HouckKin K. LeungPeter M. Winkler
    • G06F15/173H04L12/28H04J3/06
    • G06F15/17381
    • A data synchronization system, which in one embodiment, uses a ShuffleNet topology requiring an even number, N=2m, of nodes in the system. These nodes are organized into two sets, X=x.sub.0, . . . , x.sub.m-1 and Y=y.sub.0, . . . , y.sub.m-1, wherein the subscripts are always to be taken modulo m. Each "round" of communication entails simultaneously synchronizing the nodes in X with nodes in Y according to a matching between the two sets. The rounds are grouped into two "batches," batch B.sub.j which consists of rounds R.sub.2j-1 and R.sub.2j-2 for j.gtoreq.1. During each odd batch B.sub.2j-1, each x.sub.i synchronizes with y.sub.2i+2j-2 and with y.sub.2i+2j-1. In another embodiment, the data synchronization is based on a hypercube scheme, wherein each node is labeled by a binary string and any two nodes with their labels differing by one bit are connected by an edge and only adjacent nodes, i.e. those nodes connected by an edge, can communicate and exchange data directly according to an update schedule. In a third embodiment, a hypercube scheme is used, but the number of nodes is assumed to be a power of 2 or N=2.sup.m. This embodiment, like the second embodiment, uses the labeling of nodes by their binary representation, but the matchings of nodes used to determine the update schedule is not confined to the hypercube edges. Instead, a general cyclic matching scheme is used.
    • 数据同步系统在一个实施例中使用需要系统中偶数N = 2m的节点的ShuffleNet拓扑。 这些节点被组织成两组,X = x0,。 。 。 ,xm-1和Y = y0,。 。 。 ,ym-1,其中下标总是被取为模m。 每个“圆”通信需要根据两组之间的匹配同时使X中的节点与Y中的节点同步。 这些轮分为两个“批次”,批次Bj由j> / = 1的轮次R2j-1和R2j-2组成。 在每个奇数批次B2j-1期间,每个xi与y2i + 2j-2和y2i + 2j-1同步。 在另一个实施例中,数据同步基于超立方体方案,其中每个节点由二进制串标记,并且其标签不同于一位的任何两个节点由边缘连接,并且仅相邻节点连接,即通过 边缘,可以根据更新时间表直接进行数据交换和交换。 在第三实施例中,使用超立方体方案,但是假定节点数为2或N = 2m的幂。 该实施例与第二实施例一样,通过其二进制表示来使用节点的标注,但是用于确定更新时间表的节点的匹配不限于超立方体边缘。 相反,使用一般的循环匹配方案。