Random access control method of machine type communication (MTC) equipment and MTC equipment
A random access and control method technology, applied in the field of communication, can solve the problems of network congestion and mobile user usage, and achieve the effects of reducing impact, reducing changes, and avoiding congestion
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Embodiment 1
[0058] According to Embodiment 1 of the present invention, a random access control method for MTC devices is provided, such as Figure 4 shown, including:
[0059] Step S401, by monitoring the channel through which the network sends random access response messages to other user equipments, relevant parameters for determining the random access load are obtained;
[0060] According to the existing random access process, no matter in the UMTS system or the LTE system, the MTC device, as a mobile user equipment UE, can monitor the channel that the network sends random access responses to other user equipments. According to the monitoring of the channel, relevant parameters used to determine the random access load can be obtained. These relevant parameters are specifically parameters that can characterize the random access load strength of the network. The specific parameters are not limited. There are multiple parameters of the load intensity, and the related parameters may be a ...
Embodiment 2
[0082] According to Embodiment 2 of the present invention, the random access control of MTC devices provided in Embodiment 1 of the present invention is applied to the UMTS system. In the UMTS system, when there is data and needs to initiate random access, the MTC device performs random access control directly by judging the random access load of the network according to the method in Embodiment 1.
[0083] According to the random access procedure of the UMTS system, when the UE initiates a random access request containing the uplink synchronization code SYNC_UL / uplink synchronization code identification preamble to the network side, the network side performs the fast physical access indication channel FPACH (TDD system) / AICH (WCDMA system ) sends a random access response message to the UE. Therefore, the channel monitored by the MTC device in this embodiment is FPACH (TDD system) / AICH (WCDMA system). Random access control is performed by detecting the random access load stre...
Embodiment 3
[0096] According to Embodiment 3 of the present invention, the random access control of MTC devices provided in Embodiment 1 of the present invention is applied to the LTE system. In the LTE system, when there is data and needs to initiate random access, the MTC device performs random access control directly by determining the random access load of the network according to the method provided in Embodiment 1.
[0097] According to the random access process of the LTE system, the eNB on the network side is responsible for configuring the available preamble and PRACH resources, and notifies the UE of the configuration results through system messages. Regardless of the contention random access process or the non-competition random access process, after the network side receives the preamble sent by the UE, the random access response sent on the PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) Scheduling is performed by scheduling information in a PDCCH (...
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