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    • 2. 发明申请
    • Method and apparatus for functional architecture of voice-over-IP SIP network border element
    • IP语音SIP网络边界元素功能架构的方法和装置
    • US20050083912A1
    • 2005-04-21
    • US10790264
    • 2004-03-01
    • Siroos AfsharCameron BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRodhika Roy
    • Siroos AfsharCameron BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRodhika Roy
    • H04L29/06H04L29/12H04M7/00H04L12/66
    • H04L29/06027H04L29/12386H04L61/2521H04L65/1006H04L65/1026H04L65/1036H04L65/1069H04L65/4007
    • In order to provide a single common cost-efficient architecture for real time communication services for audio, video, and data over internet protocol, a voice over internet protocol (VoIP) system and architecture is provided by placing border elements (BEs) at the interface boundaries between the access network the user devices use and the VoIP infrastructure. The BEs use SIP protocol as the access call control protocol over any access networking technologies, for example, IP, Ethernet, ATM, and FR, and provides all services transparently to the end users that use SIP-enabled devices. To enable a scalable system, the SIP BEs are decomposed into separate communicating entities that make the SIP BE scalable and provide new capabilities not previously available by a self-contained SIP BE. Further, multiple levels of decomposition of a SIP BE can be provided by the present invention supporting a flexible and scalable SIP BE design that further improves system efficiencies and cost advantages as compared to use of single integrated border or edge elements. Further, a scalable SIP BE, made up of a plurality of physical entities for optimization of a large scale design, acts as a single integrated functional entity to logically execute a set of functions at the border of a VoIP infrastructure.
    • 为了提供用于通过因特网协议的音频,视频和数据的实时通信服务的单一通用的成本有效的架构,通过在接口上放置边界元素(BE)来提供语音网络协议(VoIP)系统和架构 用户设备使用的接入网络与VoIP基础设施之间的边界。 BE通过任何接入网络技术(例如IP,以太网,ATM和FR)使用SIP协议作为接入呼叫控制协议,并向使用支持SIP的设备的最终用户透明地提供所有业务。 为了实现可扩展的系统,SIP BE被分解成单独的通信实体,使得SIP可扩展,并且提供由独立SIP BE以前不可用的新功能。 此外,本发明可以提供支持灵活且可扩展的SIP BE设计的SIP BE的多个级别的分解,与使用单个集成边界或边缘元素相比,其进一步提高系统效率和成本优势。 此外,由用于优化大规模设计的多个物理实体组成的可扩展SIP BE充当单个集成功能实体,以在VoIP基础设施的边界处逻辑地执行一组功能。
    • 3. 发明授权
    • Method and apparatus for functional architecture of voice-over-IP SIP network border element
    • IP语音SIP网络边界元素功能架构的方法和装置
    • US07830861B2
    • 2010-11-09
    • US10790264
    • 2004-03-01
    • Siroos K. AfsharCameron Scott BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRadhika R. Roy
    • Siroos K. AfsharCameron Scott BlandfordAlireza FaryarBurwell GoodeBehzad NadjiRadhika R. Roy
    • H04L12/66H04L12/50H04Q11/00
    • H04L29/06027H04L29/12386H04L61/2521H04L65/1006H04L65/1026H04L65/1036H04L65/1069H04L65/4007
    • In order to provide a single common cost-efficient architecture for real time communication services for audio, video, and data over internet protocol, a voice over internet protocol (VoIP) system and architecture is provided by placing border elements (BEs) at the interface boundaries between the access network the user devices use and the VoIP infrastructure. The BEs use SIP protocol as the access call control protocol over any access networking technologies, for example, IP, Ethernet, ATM, and FR, and provides all services transparently to the end users that use SIP-enabled devices.To enable a scalable system, the SIP BEs are decomposed into separate communicating entities that make the SIP BE scalable and provide new capabilities not previously available by a self-contained SIP BE. Further, multiple levels of decomposition of a SIP BE can be provided by the present invention supporting a flexible and scalable SIP BE design that further improves system efficiencies and cost advantages as compared to use of single integrated border or edge elements. Further, a scalable SIP BE, made up of a plurality of physical entities for optimization of a large scale design, acts as a single integrated functional entity to logically execute a set of functions at the border of a VoIP infrastructure.
    • 为了提供用于通过因特网协议的音频,视频和数据的实时通信服务的单一通用的成本有效的架构,通过在接口上放置边界元素(BE)来提供语音网络协议(VoIP)系统和架构 用户设备使用的接入网络与VoIP基础设施之间的边界。 BE通过任何接入网络技术(例如IP,以太网,ATM和FR)使用SIP协议作为接入呼叫控制协议,并向使用支持SIP的设备的最终用户透明地提供所有业务。 为了实现可扩展的系统,SIP BE被分解成单独的通信实体,使得SIP可扩展,并且提供由独立SIP BE以前不可用的新功能。 此外,本发明可以提供支持灵活且可扩展的SIP BE设计的SIP BE的多个级别的分解,与使用单个集成边界或边缘元素相比,其进一步提高系统效率和成本优势。 此外,由用于优化大规模设计的多个物理实体组成的可扩展SIP BE充当单个集成功能实体,以在VoIP基础设施的边界处逻辑地执行一组功能。
    • 7. 发明授权
    • Capacity reallocation method and apparatus for a TDMA satellite
communication network with demand assignment of channels
    • 用于具有信道需求分配的TDMA卫星通信网络的容量再分配方法和装置
    • US4256925A
    • 1981-03-17
    • US968720
    • 1978-12-12
    • Burwell Goode
    • Burwell Goode
    • H04B7/212H04J6/02
    • H04B7/2123
    • In a time division multiple access communication system utilizing a satellite for communicating signals between a plurality of ground stations, at spaced times a reference ground station reallocates the total channel capacity of the system among the several ground stations to minimize system blocking and to thereby utilize the available system channel capacity more effectively. To increase the time between successive reallocations, channels are reallocated only when a ground station makes a channel capacity request that is greater than or equal to its corresponding present channel allocation. System blocking is minimized by using a table look-up scheme to generate excess capacity allocation factors for the stations and to thereby determine each station's proportionate share of excess system capacity. An appropriate portion of excess capacity is then added to each station's channel capacity request to provide a new channel allocation for each station. The new channel allocations are transmitted to appropriate ground stations and each station thereafter adjusts its burst duration to correspond to its new channel capacity allocation.
    • 在利用卫星在多个地面站之间传送信号的时分多址通信系统中,在间隔时间,参考地面站重新分配多个地面站之间的系统的总信道容量,以最小化系统阻塞,从而利用 可用的系统通道容量更有效。 为了增加连续重新分配之间的时间,仅当地面站做出大于或等于其对应的当前信道分配的信道容量请求时,才重新分配信道。 通过使用表查找方案来为站产生过多的容量分配因子,从而确定每个站的过量系统容量的比例份额,使系统阻塞最小化。 然后将适当的部分容量增加到每个站的信道容量请求,以为每个站提供新的信道分配。 新的信道分配被发送到适当的地面站,并且每个站随后调整其突发持续时间以对应于其新的信道容量分配。