Pilot frequency and pilot system switching parallel control method
A technology of different system switching and parallel control, applied in the direction of electrical components, radio/inductive link selection arrangement, selection device, etc., to achieve the effect of optimizing system performance, reducing impact, and reducing frequency of use
Inactive Publication Date: 2008-11-12
HUAWEI TECH CO LTD
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[0013] In the literature of the existing related technologies, it is only mentioned that the mobile station needs to use a compressed mode for inter-frequency measurement when performing inter-frequency hard handover in the CDMA system, and that it needs to use the compressed mode for GSM measurement before switching from the CDMA system to the GSM system. And the three processes of GSM measurement use three different compressed mode styles respectively. In the prior art, there is no situation in which adjacent cells with different frequencies and different systems exist at the same time, how to perform measurement, how to control and reduce the frequency of compressed mode use, and how to Method for Making Handover Decisions
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[0033] see image 3 , the method of the present invention comprises the steps:
[0034] Step A: The network detects that the quality of the active set of the mobile station is degraded, for example, the quality of the active set of the mobile station is lower than a certain threshold value, and the quality of the active set of the mobile station is still lower than the threshold value after a period of delay, which means The quality of the same-frequency cells is relatively poor, and may be at the border of the cell, requiring inter-frequency hard handover or inter-system hard handover.
[0035] Step B: The network judges whether to start the compressed mode of inter-frequency and / or inter-system measurement according to the configuration of inter-frequency and inter-system neighboring cells, and UE capability information; first, according to the configuration of neighboring cells in the current active set cell, if If there are inter-frequency adjacent cells, you only need to...
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The invention relates to parallel control method for different frequency and / or different system switch used in CDMA communication system, which comprises: A. after detecting quality of the mobile platform active group goes bad, the network decides whether starts opposite measurement compression mode according to different frequency and / or different system nearby zone configuration information and mobile platform capacity information; if no, the mobile platform takes normal measurement and turns to step C; or else, continue; B. the mobile platform takes measurement in the transmission gap of started compression mode; C. the network receives reported measurement result and executes switch according to opposite condition. This invention can reduce the effect of compression mode to system performance.
Description
technical field [0001] The invention relates to a method for switching between different frequencies and different systems in a CDMA mobile communication system, in particular to a parallel control method for switching between different frequencies and different systems. Background technique [0002] In the existing cellular mobile communication system, in order to improve the utilization rate of spectrum resources and the capacity of the whole system, the radio frequency power of the base station in the system is limited within a certain range (cell). When a mobile station leaves a cell and enters another cell, the signal received by the mobile station from the original cell must become weaker and weaker, while the signal it receives from the cell entering the cell will become stronger and stronger. In order to maintain the communication quality of the mobile station, the connection to the mobile station must be switched from the original base station to the newly entered b...
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IPC IPC(8): H04Q7/38H04W24/08H04W24/10H04W36/00
Inventor 邢平平张本矿李伽王作芬
Owner HUAWEI TECH CO LTD