Method for improving user apparatus state transition speed
A user equipment and state technology, applied in the direction of electrical components, radio/induction link selection arrangement, selection device, etc., can solve the problems of long time consumption, shorten UE state transition time, etc., to simplify signaling processing and improve system response speed Effect
Active Publication Date: 2008-10-08
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology
[0011] The purpose of the present invention is to provide a method for improving the state transition speed of user equipment, so as to overcome the time-consuming shortcoming of the UE in the prior art when performing cell reselection from the CELL_PCH state to the non-CELL_PCH state or the idle mode transition process, shorten UE state transition time, to ensure that after the state transition of the UE, the signal strength of the cell where the UE is located meets the camping conditions, so that the UE can work normally after entering the non-CELL_PCH state or idle mode
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[0041] The core of the present invention is to save two sets of frequency point information and cell parameter ID information in the RRC layer of the UE, one of which records the frequency point and cell parameter ID of the cell where the UE is currently located, and the other set records the cell where the UE is located before entering the CELL_DCH state frequency point information and cell parameter ID, so that during the transition process of UE from CELL_DCH state to non-CELL_DCH state or idle mode, if the reconfiguration message on the network side does not carry cell parameter ID information, the two sets of recorded frequency point information can be Judging whether cell reselection is required with the cell parameter ID information, if the two sets of recorded information are the same, further judge whether the system information has changed, if the system information has not changed, the UE reconfigures the physical layer according to the saved system information For p...
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The invention discloses a method of raising user equipment state transition speed, comprising the steps of: recording two sets of frequency point and cell parameter ID information in user equipment, where one set is user equipment's frequency point and cell parameter ID information of the current cell where the user equipment is and the other is user equipment's frequency point and cell parameter ID information of the cell where the user equipment is before entering CELL_DCH state; in the transition course that the user equipment transits from CELL_DCH state to non-CELL_DCH state or idle mode, if the reconfiguration information on the network side has no cell parameter ID information, reselecting the cell according to the recorded two sets of frequency point and cell parameter ID information. And it can effectively shorten UE state transition time, and makes UE able to normally operate after entering the non-CELL_DCH state or idle mode.
Description
technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for improving the state transition speed of user equipment. Background technique [0002] In a mobile communication system, UE (User Equipment) has two basic operating modes: idle mode and connected mode. The UE stays in the idle mode when it is powered on, and through the non-access stratum identification such as IMSI (International Mobile Subscriber Identity), TMSI (Temporary Subscriber Identity) or P-TMSI (Packet TemporaryMobile Subscriber Identity, packet temporary mobile subscriber identity), etc. signs to distinguish. After the UE completes RRC (Radio Resource Control) connection establishment, the UE transitions from the idle mode to the connected mode. In the RRC connection mode of the UE, there are four states, which reflect the level of the UE connection and which transmission channel the UE can use. When the RRC connection is released, the UE t...
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IPC IPC(8): H04Q7/38H04W36/08H04W36/34
Inventor 熊军李裕国唐纪晔
Owner DATANG MOBILE COMM EQUIP CO LTD