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Scheduling delay method and system

A scheduling method and technology of a scheduling system, applied in wireless communication, access restriction, electrical components, etc., can solve the problems of occupying multiple air interface signaling, increasing base station processing load, and multiple wireless resources, so as to improve overload handling capacity, Effects of saving wireless resources and reducing processing load

Inactive Publication Date: 2012-09-05
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Afterwards, if the released terminal needs to carry out business again, the terminal needs to re-establish the RRC connection, re-initiate random access, re-encrypt the process, and re-establish the service bearer, and these processes will consume more wireless resources and occupy more resources. Air interface signaling not only increases the processing load of the base station, but also increases the processing load of the MME

Method used

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  • Scheduling delay method and system

Examples

Experimental program
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Embodiment 1

[0057] In this embodiment, an MTC device is taken as an example for description. In a long-term evolution (LTE, Long-Term Evolution) system, an MTC device accesses a network through a base station 1 and is in a connected state. At this point, the MTC device has completed the random access process, completed the encryption process, and established a data access bearer (DRB, Data Radio Bearer) for data transmission. The MTC is doing business, such as sending data to the MTC server. Due to the large number of MTC devices and H2H devices connected to the network, the overload on the network side is caused. For example, it may be that the core network element such as the MME is overloaded, or the base station 1 is overloaded.

[0058] At this time, base station 1 needs to reduce the current load so as to ensure that the current network is in a normal state. In this embodiment, the base station 1 can use the following delayed scheduling method to reduce the load on the network side...

Embodiment 2

[0076] In this embodiment, the H2H equipment is taken as an example for illustration. In the long-term evolution system, the H2H equipment accesses the network through the base station 2 and is in a connected state. At this point, the H2H device has completed the random access process, completed the encryption process, and established a data access bearer for data transmission. The H2H device is doing business, including sending data and receiving data.

[0077] Due to the large number of MTC devices and H2H devices connected to the network, the network side is overloaded. At this time, the base station 2 needs to reduce the current load on the network side, so as to ensure that the network can be in a normal state. In this embodiment, the base station 2 can use the following delay scheduling method to reduce the load on the network side, such as image 3 As shown, the specific process is as follows:

[0078] Step 301, the base station 2 sends MAC signaling carrying delayed...

Embodiment 3

[0094] In this embodiment, the base station 3 in the overload state selects the MTC device to implement delayed scheduling in order to reduce the current load. The specific process is as follows:

[0095] Step 401: the base station 3 sends delay scheduling information to the MTC device through PDCCH signaling;

[0096] Here, the MTC device determines its own PDCCH signaling through the RNTI allocated by the base station 3 for itself.

[0097] Since the reception of the PDCCH signaling is limited to one subframe, that is, the MTC device receives the PDCCH signaling belonging to the subframe every millisecond, therefore, in this embodiment, the delay scheduling information does not need to include the start time of the delay scheduling, It may only include the end time of the delayed scheduling, or the duration of the delayed scheduling. Here, when the delayed scheduling information does not include the starting time of the delayed scheduling, the default starting time of the d...

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Abstract

The invention discloses a scheduling delay method. The method comprises the steps that: a base station sends scheduling delay information for delaying scheduling on a terminal to the terminal; the terminal receives the scheduling delay information, and stops monitoring a physical downlink control channel (PDCCH) according to the received scheduling delay information so as to enter into a scheduling delay state, and starts monitoring the PDCCH again according to the scheduling delay information so as to stop self delay scheduling delay state. The invention further discloses a scheduling delay system. According to the invention, the overload processing capability of the network is promoted, the waste of a great amount of wireless resources accessing to the network again is avoided, wireless resources can be effectively saved, and the processing load at a network side can be lightened.

Description

technical field [0001] The invention relates to overload processing technology in mobile communication, in particular to a delay scheduling method and system. Background technique [0002] Human-to-human communication (H2H, Human to Human) means that people communicate through the operation of equipment. The existing wireless communication technology is developed based on H2H communication. The narrow definition of machine-to-machine (M2M, Machine to Machine) communication is the communication between machines, and the broad definition is networked applications and services centered on the intelligent interaction of machine terminals. M2M communication technology is an informatization solution based on intelligent machine terminals, using multiple communication methods as access means, and providing customers with informatization solutions to meet customers' informatization needs in monitoring, command and dispatch, data collection and measurement. [0003] The development ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/06H04W72/12
CPCH04W48/06H04W72/23
Inventor 邓云戴谦
Owner ZTE CORP
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