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    • 1. 发明授权
    • Wireless packet communication method and system for transmitting packets between base station and radio terminal station
    • 无线分组通信方法和系统,用于在基站和无线电终端之间传送分组
    • US06836484B2
    • 2004-12-28
    • US09790499
    • 2001-02-23
    • Toshinori Suzuki
    • Toshinori Suzuki
    • H04J322
    • H04W72/085H04W72/0453
    • A wireless packet communication system includes at least one radio terminal station, and a base station for multiplexing packets to be transmitted using a plurality of subcarriers and for sending the multiplexed packets to the at least one radio terminal station. The system has a unit provided in the base station for simultaneously sending reference signals on the subcarriers with the same level to the at least one radio terminal station, a report unit provided in the at least one radio terminal station for reporting to the base station received conditions of the reference signal of each subcarrier or of each subband corresponding to a frequency band occupied by a plurality of subcarriers, and a unit provided in the base station for allocating the subcarrier or the subband to each of the packets to be transmitted depending upon the reported received conditions of the subcarrier or the subband, the allocation being performed in a transmission order of the packets.
    • 无线分组通信系统包括至少一个无线电终端站和用于复用将使用多个子载波进行传输的分组并用于将复用的分组发送到至少一个无线电终端站的基站。 该系统具有在基站中提供的单元,用于同时向具有相同电平的子载波上发送参考信号给至少一个无线电终端站;提供在至少一个无线电终端站中的报告单元,用于向接收到的基站报告 每个子载波的参考信号或对应于多个子载波占据的频带的每个子带的参考信号的条件,以及在基站中提供的用于根据所述子载波或子带将每个子载波或子带分配给要发送的分组的单元 报告子载波或子带的接收条件,分配以分组的传输顺序执行。
    • 5. 发明授权
    • System and method for secure provisioning of a mobile station from a provisioning server using IWF-based IP address translation
    • 使用基于IWF的IP地址转换从配置服务器安全地提供移动站的系统和方法
    • US06775285B1
    • 2004-08-10
    • US09501468
    • 2000-02-09
    • Bryan J. MolesSudhindra P. Herle
    • Bryan J. MolesSudhindra P. Herle
    • H04J322
    • H04L29/06H04L41/0806H04L67/04H04L67/34H04L69/329H04W12/06H04W88/16
    • There is disclosed an interworking function unit for transferring data between a wireless network and an Internet protocol (IP) data network coupled to the wireless network. The interworking function unit comprises a protocol conversion controller that receives incoming data packets from the wireless network, wherein the incoming data packets are generated by a first mobile station and are formatted according to a protocol associated with the wireless network. The interworking function unit converts the incoming data packets to IP data packets formatted according to an Internet protocol of the IP data network. The interworking function unit also comprises a first security controller for preventing unprovisioned mobile stations from accessing the IP data network through the wireless network. The first security controller receives the IP data packets and replaces each original IP packet header with a replacement IP packet header containing the IP address of a provisioning server.
    • 公开了一种用于在无线网络和耦合到无线网络的因特网协议(IP)数据网络之间传送数据的互通功能单元。 互通功能单元包括从无线网络接收输入数据分组的协议转换控制器,其中输入数据分组由第一移动台生成,并且根据与无线网络相关联的协议进行格式化。 互通功能单元将输入的数据分组转换为根据IP数据网络的因特网协议格式化的IP数据分组。 互通功能单元还包括第一安全控制器,用于防止未配置的移动站通过无线网络访问IP数据网络。 第一个安全控制器接收IP数据包,并用包含配置服务器的IP地址的替换IP包头替换每个原始IP包头。
    • 6. 发明授权
    • Signalling scheme and messaging structure to support the smoothing of large bit rate transmissions
    • 信令方案和消息传递结构,以支持大比特率传输的平滑化
    • US06704328B1
    • 2004-03-09
    • US09360680
    • 1999-07-26
    • Farideh KhaleghiNimal G. SenarathGeng WuRobert MatyasParsyna R. LarijaniMo-Han Fong
    • Farideh KhaleghiNimal G. SenarathGeng WuRobert MatyasParsyna R. LarijaniMo-Han Fong
    • H04J322
    • H04W52/362H04W52/26
    • In a wireless communications system, after a high data rate user is admitted and a supplemental channel is assigned to the user, a control message is sent to a receiver to communicate for power ramp-up and ramp-down profiles. The control message contains parameters of a data rate, a starting time and a duration of time as group in assigned fields in the message which is provided by a control signal source. In response to the control message, a controller provides a rate controllable signal with reference to the parameters of the control message to a data encoder. A bursty input data stream is fed to a buffer. The data encoder withdraws the data from the buffer in response to the rate controllable signal. The bit rate transitions in the bursty input data stream are smoothed with reference to the parameters. There is provided an output data stream having smoother data rate transitions than the input data stream. It is possible to solve problems with 3G CDMA systems which have sudden interference changes resulting from the bursty nature of high-speed data transmissions.
    • 在无线通信系统中,在高数据速率用户被允许并且向用户分配补充信道之后,控制消息被发送到接收机以进行功率提升和斜降曲线的通信。 控制消息包含由控制信号源提供的消息中的分配字段中的组的数据速率,开始时间和持续时间的参数。 响应于控制消息,控制器参考控制消息的参数向数据编码器提供速率可控信号。 突发输入数据流被馈送到缓冲器。 数据编码器响应于速率可控信号从缓冲器中提取数据。 参考参数对突发输入数据流中的比特率转换进行平滑处理。 提供了具有比输入数据流更平滑的数据速率转换的输出数据流。 可以解决由于高速数据传输的突发性而导致的突发的干扰变化的3G CDMA系统的问题。
    • 10. 发明授权
    • Method and apparatus for providing a network interface
    • 用于提供网络接口的方法和装置
    • US06529518B1
    • 2003-03-04
    • US09096450
    • 1998-06-11
    • Thomas P. Webber
    • Thomas P. Webber
    • H04J322
    • H04L12/433
    • A network adapter includes a bypass buffer with sufficient capacity to store a packet from an upstream neighboring adapter and to store at least one additional incoming packet as a local packet is sent. The adapter also includes control logic which monitors the bypass buffer to determine whether the adapter may send local data packets. A network may be formed of such network adapters linked through counterrotating rings. If the control logic determines that the bypass buffer has sufficient storage available to avoid overflow while the adapter sends the local packet, the adapter sends the local packet. The control logic may choose to send a local packet only if there is sufficient room available within the bypass buffer to store a packet the same size as the local packet which is to be sent, thereby insuring that the bypass buffer does not overflow before the adapter can resume transmitting data from the bypass buffer. If there is not sufficient room within the adapter's bypass buffer, the adapter requests a pause in transmissions from its upstream neighbor which pause will permit the adapter to empty its bypass buffer and to then send a local packet. If the upstream neighbor cannot accommodate the pause request, it, in turn, requests a pause from its own upstream neighboring adapter, and so on, until a pause is effected and the original pause-requesting adapter can empty its bypass buffer and transmit its local packet.
    • 网络适​​配器包括旁路缓冲器,其具有足够的容量来存储来自上游相邻适配器的分组,并且在发送本地分组时存储至少一个附加的输入分组。 适配器还包括控制逻辑,其监视旁路缓冲器以确定适配器是否可以发送本地数据分组。 网络可以由通过反向旋转环链接的这种网络适配器形成。 如果控制逻辑确定旁路缓冲区具有足够的可用存储空间,以避免在适配器发送本地数据包时出现溢出,则适配器将发送本地数据包。 控制逻辑可以选择仅在旁路缓冲器内有足够的空间以存储与要发送的本地分组相同的分组的情况下发送本地分组,从而确保旁路缓冲器在适配器之前不溢出 可以重新从旁路缓冲区发送数据。 如果适配器的旁路缓冲区中没有足够的空间,则适配器请求来自其上游邻居的传输暂停,该暂停将允许适配器清空其旁路缓冲区,然后发送本地数据包。 如果上游邻居不能适应暂停请求,它又要求其自身的上游相邻适配器暂停,等等,直到暂停发生,并且原始暂停请求适配器可以清空其旁路缓冲区并发送其本地 包。