A Location Management Method in the Scenario of Intensive User Location Update Using Random Time Delay
A technology of random time delay and location area, which is applied in location information-based services, wireless communication, electrical components, etc., can solve problems affecting communication system performance, insufficient channel resources, signaling storms, etc., to reduce signaling storms , Guarantee the effect of connection rate
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Embodiment 1
[0046] The present invention provides a dense user location management strategy using random time delay, aiming to solve the problems of signaling storm and network congestion in the communication system caused by multiple users simultaneously initiating location updates in the case of dense distribution of users in the high-speed railway environment . The main technical feature of the present invention is that multiple user position update requests that may be initiated simultaneously are distributed to different time points by assigning random time delays. When the location update meets the trigger condition, the user allocates a random delay value for itself according to the received system broadcast parameters, and waits until a certain delay time is reached before initiating a location update request.
[0047] The location management strategy of grouping and randomly sorting dense users in the high-speed train in the time domain, that is, "random delay intensive user loca...
Embodiment 2
[0071] figure 1 A schematic diagram of the location area along the railway line provided by this embodiment, figure 2 A processing flowchart of a location management method in the scenario of intensive user location update using random time delay provided in this embodiment includes the following processing steps:
[0072] Step 1. Set the cell reselection and location update related parameters CRH,n in the cell broadcast system message of the location area boundary base station 0 ,T 0 and T change .
[0073] (1) Cell reselection parameter Cell reselection hysteresis (CRH)
[0074] In engineering implementation, the value of CRH is generally 4dB. In this embodiment, the value of CRH needs to be properly reduced and adjusted, so that CRH=2dB.
[0075] (2) Location update delay packet parameter n 0
[0076] no 0 The size of the value can be determined jointly by the number N of users performing simultaneous location updating in the traditional solution and the number D ...
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