Controlling transmission resources in mobile radio systems with dual transfer mode

A transmission resource, dual transmission technology, applied in transmission systems, digital transmission systems, wireless communications, etc., can solve the problems of bit rate drop, low bit rate, damage, etc.

Inactive Publication Date: 2007-03-07
CORE WIRELESS LICENSING R L
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This also means that applications operating on PS connections and relying on previously negotiated QoS for said PS connections can be significantly harmed by parallel CS connections because when parallel CS connections are prioritized, PS The bit rate of the connection may drop significantly below the guaranteed bit rate, and the application running on the PS connection may then no longer function properly
[0006] Furthermore, when adding a CS connection to an already established PS connection, the resources of the mobile station, such as processing power and memory limits, may be exceeded uncontrollably, thereby affecting both the PS and CS connections and the applications using the connections

Method used

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  • Controlling transmission resources in mobile radio systems with dual transfer mode
  • Controlling transmission resources in mobile radio systems with dual transfer mode
  • Controlling transmission resources in mobile radio systems with dual transfer mode

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Embodiment Construction

[0065] FIG. 1 shows a message sequence diagram of the method according to the invention, in which a Packet Switched (PS) connection is established taking into account further possible Circuit Switched (CS) connections. A mobile radio system with General Packet Radio Service (GPRS) radio bearers and the capability to support both PS and circuit switched connections in Dual Transfer Mode (DTM) is considered here exemplarily. It is easy to see that the following embodiments of the invention are also applicable to 3G systems like eg Universal Mobile Telecommunications System (UMTS) by interchanging radio bearers.

[0066] The four vertical lines in Fig. 1 can be regarded as client (mobile station) 100, GPRS bearer 101, QoS & DTM control instance 102 and the service access point of network 103, and the arrow between described vertical lines represents in described Service primitives exchanged between service access points.

[0067] As indicated by step 105 in Figure 1, the mobile ...

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Abstract

The invention relates to a method for controlling the use of transmission resources, wherein transmission resources for a transmission between a first entity (200) and a second entity (204) can be used by at least a first connection (205) and a second connection (219), comprising checking (208, 211) whether QoS requirements of said first connection (205) can still be guaranteed when said transmission resources are jointly used by said first connection (205) and said second connection (219), and controlling (212) the use of at least one portion of said transmission resources by at least one of said first (205) and second connections (219), accordingly. Said connections may for instance be packet-switched (205) and circuit-switched (219) connections in a General Packet Radio System that is capable of Dual Transfer Mode (DTM).

Description

technical field [0001] The invention relates to a method for controlling the use of transmission resources, wherein transmission resources of a transmission link between a first entity and a second entity can be used by at least a first connection and a second connection. Background technique [0002] In packet data systems, quality of service (QoS) mechanisms are used to request and guarantee certain Quality of Service (QoS) specification of the connection, ie Packet Data Protocol (PDP) context. An example of such a QoS specification is the bit rate of the connection, but other QoS parameters defined in the 3GPP standards may also be used. [0003] The bit rates that a packet data system can support depend on the capabilities of both the mobile station and the network. One of the main limiting factors is the mobile station's multislot class, which indicates the number of Packet Data Channels (PDCHs) that the mobile station can handle (in GPRS systems, the multislot class ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/28H04L12/56H04W28/24H04W72/00
CPCH04W76/02H04W72/00H04W28/24H04W76/10
Inventor 雅尔克科·奥克萨拉阿里·伊尔蒂南
Owner CORE WIRELESS LICENSING R L
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