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Control method for load of WCDMA system

A wideband code division multiple access and system load technology, which is applied in communication between multiple stations, network traffic/resource management, electrical components, etc., can solve problems such as low efficiency and easy call drop, and avoid signaling The effects of interaction, reducing the risk of dropped calls, and improving control efficiency

Inactive Publication Date: 2012-12-19
ZTE CORP
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  • Description
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Problems solved by technology

These methods all have an obvious defect, that is, the RRC (Radio Resource Control) layer signaling interaction between the Radio Network Controller (RNC) and the UE via the air interface is required, which is inefficient and likely to cause disconnection. talk

Method used

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  • Control method for load of WCDMA system
  • Control method for load of WCDMA system
  • Control method for load of WCDMA system

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Embodiment Construction

[0026] For a UE that includes both the DCH active set and the E-DCH active set, when a traditional cell that does not support the E-DCH channel is overloaded, the RNC reduces the uplink data rate by reducing the maximum bit rate of the UE's E-DCH channel , the reduction of the rate also means the reduction of uplink interference, so as to achieve the purpose of reducing the load of the traditional cells in the active set of the UE that do not support the E-DCH channel.

[0027] For reducing the maximum bit rate of the E-DCH channel, it can be realized through the reconfiguration process of the Iub port (that is, the configuration interface between the Node B and the RNC), that is, the resources that the Node B can allocate to the UE in the process of scheduling the UE are reduced, For example, the transmission bandwidth of the channel can be reduced, and the purpose of controlling the uplink rate of the UE can be achieved through the underlying E-DCH scheduling mechanism of the...

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Abstract

The invention discloses the load control method of a wideband code division multiple access system. The method is used in a communication network including an extended cell supporting an enhanced uplink dedicated channel and a traditional cell not supporting the enhanced uplink dedicated channel. When the uplink of the traditional cell is overloaded, a radio network controller (RNC) is used for reconfiguring wireless links of one or more user equipment using the enhanced uplink dedicated channel through an Iub port to adjust the maximal bit rate of the enhanced uplink dedicated channel. The RNC can achieve control of uplink rate of the UE through the reconfiguration flow of Node B through the Iub part to prevent air interface RRC layer signal exchange of the RNC and the UE, thereby greatly improving the control efficiency and greatly reducing the risk of call drop resulting from air interface RRC layer signal exchange of the RNC and the UE.

Description

technical field [0001] The present invention relates to a control method of system load, in particular to a control method of wideband code division multiple access (WCDMA for short) system load. Background technique [0002] The 3rd Generation Partnership Project (3GPP for short) introduces an Enhanced Uplink Dedicated Channel (Enhanced Dedicated Channel, E-DCH for short) in its R6 protocol to increase the uplink transmission rate. This channel supports uplink macro diversity. In order to support the mixed networking of traditional cells before the R6 version and the macro-diversity of the dedicated channel (Dedicated Channel, referred to as DCH), the protocol of the R6 version stipulates the DCH active set and E-DCH activation of the user equipment (User equipment, referred to as UE). Sets can be different, such as figure 1 As shown, the cells supporting the E-DCH channel (that is, the extended cell) support the DCH channel at the same time, that is to say, when the UE u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08H04B7/26
Inventor 续斌
Owner ZTE CORP
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