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    • 2. 发明授权
    • Methods and apparatus for distributed multimedia content supporting user mobility
    • 支持用户移动性的分布式多媒体内容的方法和装置
    • US08718646B2
    • 2014-05-06
    • US11614371
    • 2006-12-21
    • Mary S. ChanJames W. McGowanMichael C. Recchione
    • Mary S. ChanJames W. McGowanMichael C. Recchione
    • H04W36/00
    • H04W4/12H04L12/189H04L63/10H04W36/08
    • Methods and apparatus are provided for delivering content to a mobile terminal in a wireless network. A base station in a wireless network delivers content to a mobile terminal by determining if a packet from the mobile terminal contains a request for content; and delivering the content to the mobile terminal from the base station if the content is stored locally at the base station. The base station can optionally evaluate an authorization of the mobile terminal to receive the content. During a hand-off, the current base station determines if a packet received from the mobile terminal contains a base station change message indicating that the mobile terminal is switching to a new base station; and provides content status information (such as content position) to the new base station.
    • 提供了用于将内容传送到无线网络中的移动终端的方法和装置。 无线网络中的基站通过确定来自移动终端的分组是否包含对内容的请求来向移动终端传送内容; 以及如果所述内容本地存储在所述基站处,则将所述内容从所述基站传送到所述移动终端。 基站可以可选地评估移动终端的接收内容的授权。 在切换期间,当前基站确定从移动终端接收到的分组是否包含指示移动终端切换到新基站的基站改变消息; 并向新基站提供内容状态信息(例如内容位置)。
    • 6. 发明申请
    • Methods and Apparatus for a Virtual Content Channel Structure in a Broadband Wireless Network with Location-Based Content
    • 用于具有基于位置的内容的宽带无线网络中的虚拟内容信道结构的方法和装置
    • US20080153461A1
    • 2008-06-26
    • US11614398
    • 2006-12-21
    • Mary S. ChanJames W. McGowanMichael C. Recchione
    • Mary S. ChanJames W. McGowanMichael C. Recchione
    • H04L12/58
    • H04W72/005G06F17/3087H04L67/327H04W4/02
    • Methods and apparatus are provided for a virtual content channel structure in a broadband wireless network with location-based content Broadband content is delivered to a mobile terminal in a wireless network by receiving a request for a content channel from the mobile terminal; and translating the requested content channel to a corresponding content item based on the requested content channel and a date and time associated with the request (and optionally, a location of the request), wherein a content source associated with the corresponding content item is transmitted to the mobile terminal using a communication channel associated with the user The content source comprises, for example, the corresponding content item or an address or a link associated with the corresponding content item. The corresponding content item can include content components that ate based on a location of the mobile terminal.
    • 为具有基于位置的内容的宽带无线网络中的虚拟内容信道结构提供方法和装置。通过从移动终端接收对内容信道的请求,将宽带内容传送到无线网络中的移动终端; 以及基于所请求的内容信道和与请求相关联的日期和时间(和可选地,请求的位置)将所请求的内容信道转换为相应的内容项,其中与相应内容项相关联的内容源被发送到 使用与用户相关联的通信信道的移动终端。内容源包括例如相应的内容项或与相应内容项相关联的地址或链接。 相应的内容项目可以包括基于移动终端的位置而进行的内容组件。
    • 9. 发明授权
    • Shaped fixed codebook search for celp speech coding
    • 形状固定码本搜索celp语音编码
    • US06449313B1
    • 2002-09-10
    • US09300314
    • 1999-04-28
    • Engin ErzinMichael C. Recchione
    • Engin ErzinMichael C. Recchione
    • H04L2700
    • G10L19/12G10L2019/0013
    • A fixed codebook response is able to better characterize an input signal of a vocoder because the entries of the fixed codebook are tailored to the input signal being processed. A uniformly distributed random noise signal is stored in a transmitting vocoder. During encoding by the transmitting vocoder, the noise signal is shaped by a weighing filter and a pitch sharpening filter, which are condition controlled by the linear predictive coding, pitch and pitch gain characteristics of the input signal being encoded. The shaped noise signal is passed though a thresholding filter to arrive at a pulse sequence having a given sparcity. The fixed codebook response is chosen as that portion of the pulse sequence which best matches a residual signal of the input signal. The indexed location of that portion along the pulse sequence is designated as the fixed codebook bits which are included within the bit frame. The identical random noise signal is stored in a receiving vocoder. The linear predictive coding, pitch, and pitch gain characteristics are part of the bit frame, and are again used to produce an identical pulse sequence. The fixed codebook bits of the bit frame are used to index the pulse sequence to the best matching portion, and hence the fixed codebook response for the bit frame.
    • 固定码本响应能够更好地表征声码器的输入信号,因为固定码本的条目适合正在处理的输入信号。 均匀分布的随机噪声信号被存储在发送声码器中。 在通过发送声码器的编码期间,噪声信号通过称重滤波器和音调锐化滤波器来形成,该滤波器是通过被编码的输入信号的线性预测编码,音调和音调增益特性来控制的。 成形噪声信号通过阈值滤波器以得到具有给定稀疏度的脉冲序列。 选择固定码本响应作为与输入信号的残差信号最佳匹配的脉冲序列的那部分。 将该部分沿着脉冲序列的索引位置指定为包括在位帧内的固定码本位。 相同的随机噪声信号被存储在接收声码器中。 线性预测编码,音调和音调增益特性是位帧的一部分,并且再次用于产生相同的脉冲序列。 位帧的固定码本位用于将脉冲序列索引到最佳匹配部分,因此用于位帧的固定码本响应。