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    • 41. 发明申请
    • Method and Apparatus for Allocating Bandwidth in a Wireless Communication System
    • 在无线通信系统中分配带宽的方法和装置
    • US20080274747A1
    • 2008-11-06
    • US12095831
    • 2005-12-02
    • Reiner LudwigPer Magnusson
    • Reiner LudwigPer Magnusson
    • H04Q7/20
    • H04W28/12H04L47/10H04L47/14H04W24/00H04W28/24H04W72/0453H04W72/12
    • Network resources can be allocated more efficiently to communication sessions in a wireless telecommunications network, by the method of—monitoring the traffic load in the uplink and downlink direction in the network,—for the at least one session, determining the parameters ul_ratio and dl_ratio, given as ul_ratio=ul_throughput/(ul_throughput+dl_throughput) dl_ratio=dl_throughput/(ul_throughput+dl_throughput) wherein ul_throughput is the throughput in the uplink for the at least one communication session and dl_throughput is the throughput in the downlink for the at least one communication session, and—allocate resources to the at least one session in dependence of the traffic load and ul_ratio and dl_ratio, by allocating resources in the uplink in dependence of the dl_ratio and/or allocating resources in the downlink in dependence of the ul_ratio.
    • 可以通过监视网络中的上行链路和下行链路方向上的业务负载的方法,更有效地将网络资源分配给无线电信网络中的通信会话,对于至少一个会话,确定参数ul_ratio和dl_ratio, 以ul_ratio = ul_throughput /(ul_throughput + dl_throughput)的形式给出dl_ratio = dl_throughput /(ul_throughput + dl_throughput)其中ul_throughput是针对至少一个通信会话的上行链路中的吞吐量,而dl_throughput是针对至少一个通信会话的下行链路中的吞吐量 并且根据流量负载和ul_ratio和dl_ratio通过根据dl_ratio分配上行链路中的资源和/或根据ul_ratio在下行链路中分配资源来将资源分配给至少一个会话。
    • 46. 发明授权
    • Automatic gain control for pulse amplitude modulated signals
    • 脉冲幅度调制信号的自动增益控制
    • US5767751A
    • 1998-06-16
    • US787836
    • 1997-01-23
    • Per Magnusson
    • Per Magnusson
    • H03K9/02H03C1/00H03D1/00H03K7/02
    • H03K9/02
    • The problem that signal levels may change slowly over time, e.g., as a result of ranges in temperature, is overcome by employing an automatic gain control feedback loop using a comparator, hereinafter referred to as a feedback slicer, connected to the output of a programmable gain amplifier to determine whether the output of the programmable gain amplifier is higher or lower than the desired signal level to which it is known to correspond. In particular, the decision level for the feedback slicer is set so that it is equal to the desired amplitude of a correctly amplified symbol. The gain of the programmable gain amplifier is adjusted, e.g., slowly over time, so that the amplitude of the amplified symbol hovers about that level. More than one signal level may be tracked. If so, each level tracked employs its own feedback slicer. Advantageously, the hardware for performing the automatic gain control is simplified, providing a cost reduction, and if implemented on a chip, a real estate savings may be realized as well.
    • 信号电平可能随着时间的推移而缓慢变化的问题,例如作为温度范围的结果,通过采用自动增益控制反馈环来克服,该环路使用比较器(以下称为反馈限幅器),连接到可编程 增益放大器,以确定可编程增益放大器的输出是否高于或低于已知对应的期望信号电平。 特别地,反馈限幅器的判定电平被设置为使其等于正确放大的符号的期望幅度。 可编程增益放大器的增益例如随时间缓慢地被调整,使得放大的符号的幅度围绕该电平悬停。 可以跟踪多于一个信号电平。 如果是这样,跟踪的每个级别都使用自己的反馈切片器。 有利地,用于执行自动增益控制的硬件被简化,提供成本降低,并且如果在芯片上实现,也可以实现房地产节省。