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    • 64. 发明申请
    • METHOD FOR DIVERTING AN ISUP TALKPATH TO AN IP TALKPATH
    • 将ISUP TALKPATH发送到IP TALKPATH的方法
    • US20100041381A1
    • 2010-02-18
    • US12605218
    • 2009-10-23
    • Jeffrey RhodesHong Zhao
    • Jeffrey RhodesHong Zhao
    • H04M3/42
    • H04W88/181H04W4/00H04W4/16H04W76/20
    • A method for improving the sound quality of voice signals transmitted during a call between two digital wireless telephones by diverting the call from a circuit switched network to a data network is disclosed. In accordance with the present invention, a call setup procedure using the circuit switched network is modified so that the calling party may determine the following information: I) whether the called party's digital wireless telephone is able to support one of the voice compression algorithms supported by the calling party's digital wireless telephone and 2) whether both wireless telephones have access to the same data network. If the called party's digital wireless telephone is able to support one of the voice compression algorithms supported by the calling party's digital wireless telephone and both wireless telephones have access to the same data network, the circuit switched network call setup procedure is abandoned before the called party answers the call and the call is completed using the data network. Completing the call by encoding voice signals using a common voice compression algorithm executed by the digital wireless telephones and by sending the encoded voice signals through a data network eliminates the drawbacks associated with the additional intermediate encoding which would have been required if the call had been completed using the circuit switched network.
    • 公开了一种通过将呼叫从电路交换网络转移到数据网络来改善在两个数字无线电话之间的呼叫期间发送的语音信号的声音质量的方法。 根据本发明,对使用电路交换网络的呼叫建立过程进行修改,使呼叫方可以确定以下信息:I)被叫方的数字无线电话是否能够支持由 主叫方的数字无线电话和2)无线电话是否可以访问相同的数据网络。 如果被叫方的数字无线电话能够支持呼叫方的数字无线电话支持的语音压缩算法之一,并且两个无线电话都可以访问相同的数据网络,则在被叫方之前放弃电路交换网络呼叫建立过程 应答呼叫,使用数据网络完成呼叫。 通过使用由数字无线电话执行的公共语音压缩算法对语音信号进行编码并通过数据网络发送编码的语音信号来完成呼叫,消除了与已经完成呼叫所需的附加中间编码相关联的缺点 使用电路交换网络。
    • 70. 发明授权
    • Method and system for performing crosstalk analysis
    • 执行串扰分析的方法和系统
    • US07073140B1
    • 2006-07-04
    • US10651617
    • 2003-08-29
    • Jun LiAthanasius SpyrouHong ZhaoHsien-Yen Chiu
    • Jun LiAthanasius SpyrouHong ZhaoHsien-Yen Chiu
    • G06F17/90
    • G06F17/5036
    • Disclosed is an improved approach for performing crosstalk and signal integrity analysis in which multiple variables are taken into account when analyzing the effects of on-chip crosstalk, such as for example coupled wire length, ration of coupling capacitance, and aggressor and victim driver types. Rather than performing a full-chip simulation, the potential crosstalk effects can be pre-characterized by performing simulation/modeling over specific net portions by systematically changing the values of these multiple variables. A set of patterns characterized from the variables are formed from the modeling. During the analysis process, the IC design is checked of the presence of the patterns, from which is produced the expected delay impact for crosstalk in the design.
    • 公开了一种用于执行串扰和信号完整性分析的改进方法,其中在分析片上串扰的影响时考虑多个变量,例如耦合的线长度,耦合电容的比例,侵略者和受害者驱动器类型。 通过系统地改变这些多个变量的值,可以通过对特定网络部分进行模拟/建模来预先表征潜在的串扰效应,而不是进行全芯片仿真。 从变量形成的一组模式由建模形成。 在分析过程中,检查IC设计是否存在图案,从而产生设计中串扰的预期延迟影响。