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    • 1. 发明授权
    • Layered reuse for a wireless communication system
    • 无线通信系统的分层重用
    • US09585023B2
    • 2017-02-28
    • US10858870
    • 2004-06-01
    • Tingfang JiAvneesh AgrawalGavin HornEdward Harrison Teague
    • Tingfang JiAvneesh AgrawalGavin HornEdward Harrison Teague
    • H04W16/02H04W16/12H04W72/04H04W72/08
    • H04W16/02H04W16/12H04W72/048H04W72/085
    • To reduce inter-sector interference for “weak” users and combat a potentially large variation in interference levels observed by “strong” and weak users, system resources (e.g., frequency subbands) available for data transmission in a system are partitioned into multiple (e.g., three) disjoint sets. Each sector in the system is assigned one subband set. Neighboring sectors are assigned different subband sets such that the subband set assigned to each sector is orthogonal to the subband sets assigned to neighboring sectors. Each sector has an assigned subband set and an unassigned subband set, which contains all subbands not in the assigned set. Weak users in each sector (which are typically strong interferers to neighboring sectors) are allocated subbands in the assigned set. Strong users in each sector are allocated subbands in the unassigned set. The weak users in each sector are then orthogonal to strong interferers in neighboring sectors.
    • 为了减少“弱”用户的扇区间干扰,并且打击“强”和弱用户观察到的干扰水平的潜在巨大变化,可用于系统中的数据传输的系统资源(例如,频率子带)被划分为多个(例如, ,三)不相交的集合。 系统中的每个扇区被分配一个子带集。 分配相邻扇区的不同子带组,使得分配给每个扇区的子带集与分配给相邻扇区的子带集正交。 每个扇区具有分配的子带集和未分配的子带集合,其包含不在分配集合中的所有子带。 每个扇区(通常是相邻扇区的强干扰源)中的弱用户在分配集中被分配子带。 每个扇区中的强用户在未分配的集合中分配子带。 每个扇区中的弱用户然后与相邻扇区中的强干扰源正交。
    • 3. 发明授权
    • Dynamic IoT setpoints and interference control
    • 动态IoT设定值和干扰控制
    • US09420548B2
    • 2016-08-16
    • US12183957
    • 2008-07-31
    • Edward Harrison Teague
    • Edward Harrison Teague
    • H04B1/00H04W52/24H04W72/08H04B17/345
    • H04W52/243H04B17/345H04W72/082
    • Reverse link interference can be controlled by utilizing a dynamic and changeable IoT setpoint, which is a quantitative measurement of total interference received at a base station. The interference can occur when a mobile device in an adjacent sector is communicating over the reverse link. The IoT setpoint can be changed based on conditions occurring in the sector and/or scheduling information for the future. A fast up indicator (Up+) can be transmitted for reverse link interference, which allows the receiving device to take advantage of the fact that additional interference created will not affect the sector. An interference control action can be transmitted in an Other Sector Interference Bit (OSIB) channel over the air or over the backhaul. The interference control action can be determined as a function of the dynamic IoT setpoint.
    • 可以通过利用动态和可变的IoT设定点来控制反向链路干扰,该设定点是在基站处接收到的总干扰的定量测量。 当相邻扇区中的移动设备通过反向链路进行通信时,可能发生干扰。 可以基于在扇区中发生的条件和/或将来的调度信息来改变IoT设定点。 可以发送快速向上指示符(Up +)用于反向链路干扰,这允许接收设备利用创建的附加干扰不会影响扇区的事实。 干扰控制动作可以在空中或通过回程的其他扇区干扰位(OSIB)信道中传输。 可以根据动态IoT设定值来确定干扰控制动作。
    • 8. 发明授权
    • Fast square root algorithm for MIMO equalization
    • 用于MIMO均衡的快速平方根算法
    • US08411732B2
    • 2013-04-02
    • US12041616
    • 2008-03-03
    • Hemanth SampathDhananjay Ashok GoreEdward Harrison Teague
    • Hemanth SampathDhananjay Ashok GoreEdward Harrison Teague
    • H03H7/30H04J11/00H04B7/216H04B7/14
    • H04B7/0413H04L2025/03414H04L2025/03426H04L2025/03605
    • Systems and methodologies are described that facilitate equalization of received signals in a wireless communication environment. Using multiple transmit and/or receive antennas and MIMO technology, multiple data streams can be transmitted within a single tone. During equalization, receivers can separate data received within a tone into individual data streams. The equalization process generally is computationally expensive. Equalizer functions include the inverse operation, which can be computed using the fast square root method; however, the fast square root method involves large numbers of computations for a set of matrices, where the size of a matrix in the set of matrices increases with the number of transmit or receive antennas. Utilizing a modification of the fast square root method, a subset of the elements of the matrices can be selected and updated to reduce the number and/or complexity of computations.
    • 描述了促进无线通信环境中的接收信号的均衡的系统和方法。 使用多个发射和/或接收天线和MIMO技术,可以在单个音调内传输多个数据流。 在均衡期间,接收机可以将音调内接收到的数据分离为单独的数据流。 均衡过程通常在计算上是昂贵的。 均衡器功能包括逆运算,可以使用快速平方根法计算; 然而,快速平方根方法涉及对于一组矩阵的大量计算,其中矩阵集合中的矩阵的大小随着发射或接收天线的数量而增加。 利用快速平方根方法的修改,可以选择和更新矩阵元素的子集,以减少计算的数量和/或复杂度。