Switching zone customer reverse rate controlling method and system

A rate control and handover area technology, applied in the field of mobile communication, can solve the problems of no correlation, unreasonable threshold setting of forward link pilot strength, etc., to improve stability, avoid stability degradation, and facilitate popularization and application Effect

Inactive Publication Date: 2010-12-08
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0013] 2. The frequency band difference of the forward and reverse links exceeds the relevant bandwidth of the channel, and there is no correlation between the forward and reverse links. Therefore, it is unreasonable to set the threshold based on the pilot strength of the forward link.

Method used

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  • Switching zone customer reverse rate controlling method and system
  • Switching zone customer reverse rate controlling method and system
  • Switching zone customer reverse rate controlling method and system

Examples

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Embodiment Construction

[0052] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0053] The following takes the CDMA2000 1X EVDO system as an example to describe the application of the technical solution of the present invention in the DO Rev A system:

[0054] figure 2 A schematic diagram of RPC (reverse power control) bit generation is shown. As shown in the figure, packet decoding / demodulation is performed on the reverse signal, and then inner loop power control is performed to obtain RPC bits.

[0055] image 3 It is a schematic diagram of the generation of slotQRABn of the carrier sector. As shown in the figure, RAB is first detected by the RA bit, and then processed by a filter with a filter constant of QRABFilterTC to generate SoftQRAB, and then SoftQRAB is converted to SlotQRABm by the Hard-limited method, which is more than 0. It is taken as 1, if it is less than 0, it is taken as -1. SlotQRABm is then ...

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Abstract

The present invention discloses a method and a system for controlling reverse rate of switching area subscriber. A higher reverse rate of subscriber can be obtained and the system is more stable compared with a plan provided by a C.S0024-A air interface standard protocol. The main plan comprises the following procedures: a procedure A, setting QRAB to 1 if at least one carrier-fan with heavy loadof reverse chain circuit and one random condition is satisfied, and otherwise setting to -1; the conditions comprises the following:1. the carrier-fan with heavy load of reverse chain comprises a frontward chain circuit service carrier-fan of access terminal; 2. the carrier-fan with heavy load of reverse chain comprises carrier-fan with pilot frequency intensity higher than preset threshold and reverse power control bit which is not 0; and 3. the reverse power control bits of all carrier-fan in the access terminal aggregation are all 0; and a procedure B, controlling the subscriber reverse rate according to QRAB value, reducing the reverse rate if QRAB is 1, and increasing the reverse rate if QRAB is -1.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and in particular relates to a method and a system for controlling the reverse rate of users in the handover area of ​​a DO system. Background technique [0002] The third generation mobile communication (3G) technology is the main direction of the current mobile communication technology development. The inability to provide high-speed data communication services is the main defect of the 2G system, and this is the advantage of the third generation mobile communication (3G) technology. [0003] The current CDMA2000 D0 Rev A system uses the T2P (data channel to pilot channel power ratio) rate control algorithm to control the reverse rate of the user. The algorithm consists of a centralized resource allocation algorithm on the network side and a distributed rate selection algorithm on the access terminal side. Consists of two parts. On the network side, the access network compares the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/22H04W36/18H04W52/12
Inventor 孔祥明柳亚俊谢忠时
Owner ZTE CORP
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