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    • 5. 发明公开
    • Radio network controller and routing method
    • Funknetzsteuerung und Routing-Verfahren
    • EP1921811A2
    • 2008-05-14
    • EP07254440.6
    • 2007-11-13
    • NEC Corporation
    • Nakata, Atsushi
    • H04L12/56
    • H04W28/08H04W88/14
    • A radio network controller is connected to radio base station equipment for communicating with communication terminals and also is connected to a plurality of core nodes that perform connecting processes of the same kind, and includes: for each of the core nodes, a storage for storing accommodation information that represents the capacity of the core node for accommodating the communication terminals; and a processor which, when receiving a connection request from the communication terminal by way of the radio base station equipment, selects a core node to which the connection request is supplied, from the plurality of core nodes, in accordance with the accommodation information stored in the storage, and routes the connection request to the selected core node.
    • 无线电网络控制器连接到用于与通信终端通信的无线电基站设备,并且还连接到执行相同类型的连接过程的多个核心节点,并且包括:对于每个核心节点,存储用于存储住宿 表示用于容纳通信终端的核心节点的容量的信息; 以及处理器,当从所述通信终端通过所述无线基站设备接收到连接请求时,根据存储在所述无线基站设备中的所述存储信息,从所述多个核心节点中选择提供了所述连接请求的核心节点 存储,并将连接请求路由到所选择的核心节点。
    • 7. 发明授权
    • CELL BASED WRAPPED WAVE FRONT ARBITER (WWFA) WITH BANDWIDTH RESERVATION
    • WITH带宽预留基于细胞包裹WELLENFRONTARBITER
    • EP1728358B1
    • 2007-12-19
    • EP03810824.7
    • 2003-10-31
    • Tellabs Operations, Inc.
    • BODUCH, Mark, E.RANCICH, David
    • H04L12/56
    • H04L49/254H04L47/50H04L49/101H04L49/3009
    • Systems and methods for cell-based wrapped wave front arbiter (WFFA) with bandwidth reservation are disclosed. The method for reserving bandwidth of a given priority using the WWFA for arbitrating bandwidth among virtual links between input and output ports, each link supporting priorities and corresponding to an arbitration unit (AU) of the WWFA generally includes performing at least one arbitration pass of a wave front of the WWFA where AUs having a reserved bandwidth request of a given priority and reserved bandwidth credit of the given priority compete for the bandwidth associated with the wave front, and where AUs not having a reserved bandwidth request of the given priority and reserved bandwidth credit of the given priority do not compete for the bandwidth, and performing at least one subsequent arbitration pass where AUs having a reserved bandwidth request of the given priority compete for the bandwidth. Each virtual link perferably supports a high priority and a low priority such that the WWFA performs four passes. Each priority of each virtual link may be associated with a bandwidth credit accumulator register indicating the level of remaining reserved bandwidth credit, a reserved bandwidth weight register for programming a predetermined level of reserved bandwidth, a request counter register for tracking the number of bandwidth requests, a rate counter register that is periodically incremented to generate reserved bandwidth credits for the bandwidth credit accumulator register, and an optional burst register having a predetermined value for limiting the maximum value of the bandwidth credit accumulator register.