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Algorithms for the Calculation of Flow Control Parameters Based on Mathematical Queueing Theory

IP.com Disclosure Number: IPCOM000010824D
Original Publication Date: 2003-Feb-25
Included in the Prior Art Database: 2003-Feb-25

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The principle of BSSGP (Base Station System GPRS Protocol) flow control procedure is that the BSS (Base Station Sub-System) sends to the SGSN (Serving GPRS Support Node) flow control parameters which will allow the SGSN to locally control its transmission output in the SGSN to BSS direction. The SGSN part of the flow control is fixed by the GSM (Global System for Mobile Communications) standard. Only the (company proprietary) computation of the flow control parameters by the PCU (Packet Control Unit) is the subject of this invention. The algorithms developed in this invention apply for both mobile specific and cell specific flow controls. We analyze here only the mobile flow control, but claim the invention also for the BVC specific control. Likewise, these algorithms can be applied both in GSM GPRS (General Packet Radio Service) / EDGE (Enhanced Data Rates for GSM Evolution) systems as well as for other systems such as UMTS (Universal Mobile Telekommunication System) (FDD - Frequency Division Duplex and TDD - Time Division Duplex), TD-SCDMA (Time Division Synchronous Code Division Multiple Access), CDMA (Code Division Multiple Access), TDMA (Time Division Multiple Access) and likewise for computer networks generally. We describe these algorithms for a GPRS / EDGE environment, but claim this invention for all other mentioned.