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    • 7. 发明公开
    • ADAPTIVE MARGIN AND BAND CONTROL
    • 适应性边缘和带控制
    • EP3264683A1
    • 2018-01-03
    • EP17170000.8
    • 2004-12-02
    • Adaptive Spectrum and Signal Alignment, Inc.
    • CIOFFI, John, M.RHEE, Wonjong
    • H04L12/28
    • H04L1/0002H04B3/32H04L1/0019H04L12/2856H04L12/2869H04L12/2874H04L12/2898H04L12/6418H04L27/2608H04L41/0806H04L41/0816H04L41/083H04L41/0833H04L41/0853H04L41/145H04L43/00H04L43/0829H04L43/0847H04L43/0888H04L43/0894H04L43/106H04L43/16H04L2012/6478H04M3/2209H04M3/30H04M3/304H04M3/34H04M11/062Y02D50/10
    • Controlling margins in a DSL modem pair is based on collected operational data. The operational data is analysed and at least one of the modems in the modem pair is instructed to use a margin-related parameter value to assist the modem pair in meeting a margin target, such as a margin limit imposed by a DSL standard or the like. A controller, such as a DSM Center, a "smart" modem unit and/or a computer system can collect and analyse the operational data and generate one or more margin-related parameter values. The margin-related parameter value may be a PSD-related value, such as the MAXNOMPSD, MAXNOMATP or PSDMASK parameter used by various ADSL systems, and may be a shaped spectral mask and/or caps or limits on bit loading for use in transmissions between the modems. In some cases, preference bands can be imposed to direct modems to favour and/or avoid certain frequencies in the modem's usable band(s). The operational data may include historical data relating to prior performance of the modem pair and prior margin compliance. A distribution of margins also may be based on operational data and may be estimated as a function of data rate. Using the estimated margin distribution, a distribution of performance parameters also is calculated, including the probabilities of line outages and probabilities of one or more error parameters exceeding minimum levels. Data rates and/or performance-related parameters may be set on the basis of the estimated performance of the system using various margin settings and levels.
    • 在DSL调制解调器对中控制余量基于收集的操作数据。 分析操作数据,并且指示调制解调器对中的调制解调器中的至少一个使用边界相关参数值来帮助调制解调器对满足边界目标,诸如由DSL标准等所施加的边界限制 。 诸如DSM中心,“智能”调制解调器单元和/或计算机系统的控制器可收集和分析操作数据并生成一个或多个与边界相关的参数值。 裕量相关参数值可以是PSD相关值,诸如由各种ADSL系统使用的MAXNOMPSD,MAXNOMATP或PSDMASK参数,并且可以是成形的频谱掩码和/或用于在 调制解调器。 在某些情况下,偏好频段可以强制指示调制解调器支持和/或避免调制解调器可用频段中的某些频率。 操作数据可以包括涉及调制解调器对的先前性能和先前保证金遵从性的历史数据。 利润率的分布也可以基于运营数据,并且可以作为数据速率的函数来估计。 使用估计的边际分布,还计算性能参数的分布,包括线路中断概率和一个或多个错误参数超过最小水平的概率。 数据速率和/或与性能有关的参数可以基于使用各种裕量设置和级别的系统的估计性能来设置。
    • 10. 发明公开
    • WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION NODE AND CHANNEL DETECTION METHOD
    • 无线通信设备,无线通信节点和信道检测方法
    • EP3229527A1
    • 2017-10-11
    • EP14908708.2
    • 2014-12-23
    • Huawei Technologies Co., Ltd.
    • LUO, JunLOC, PeterLAN, Zhou
    • H04W28/20
    • H04W28/20H04L41/083H04W28/18H04W40/24H04W48/08H04W74/0808H04W84/12
    • The present invention relates to the field of wireless communications technologies, and in particular, to a wireless communication apparatus, a wireless communication node, and a channel detection method, so that use of high bandwidth in a WLAN system is not limited by a busy/idle state of a primary channel. In the wireless communication apparatus provided in embodiments of the present invention, a transceiver module performs data transmission; and a processing module selects a channel whose bandwidth is a to-be-detected bandwidth from a WLAN system. If there is no idle channel, detection is performed again after the to-be-detected bandwidth is reduced. In one aspect, whether a primary channel is idle may not be considered during use of a channel. Therefore, the use of a channel is not limited by whether the primary channel is idle. In another aspect, a detection manner from a higher bandwidth to a lower bandwidth may be used, so that an idle channel with a higher bandwidth can be detected more quickly. Channel detection efficiency is higher, and data transmission with a high bandwidth is more easily implemented.
    • 无线通信装置,无线通信节点和信道检测方法技术领域本发明涉及无线通信技术领域,尤其涉及无线通信装置,无线通信节点和信道检测方法,使得WLAN系统中高带宽的使用不受忙/ 主要频道的空闲状态。 在本发明实施例提供的无线通信装置中,收发模块进行数据传输, 处理模块从WLAN系统中选择带宽为待检测带宽的信道。 如果没有空闲信道,则在待检测带宽减少后再次进行检测。 在一个方面,在使用信道期间可能不考虑主信道是否空闲。 因此,信道的使用不受主信道是否空闲的限制。 另一方面,可以使用从较高带宽到较低带宽的检测方式,以便更快地检测到带宽较高的空闲信道。 信道检测效率更高,高带宽数据传输更容易实现。