CN103442393A - Device and method for prolonging dormancy period of internet of things device - Google Patents
Device and method for prolonging dormancy period of internet of things device Download PDFInfo
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- CN103442393A CN103442393A CN2013104015980A CN201310401598A CN103442393A CN 103442393 A CN103442393 A CN 103442393A CN 2013104015980 A CN2013104015980 A CN 2013104015980A CN 201310401598 A CN201310401598 A CN 201310401598A CN 103442393 A CN103442393 A CN 103442393A
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Abstract
Provided is a device and method for prolonging a dormancy period of an internet of things device. A mobile communication device, which is applicable to internet of things communication, comprises a wireless module and a controller module. The wireless module is used for executing wireless transmission and receiving with the internet of things. The controller module is used for receiving a message from a service network via the wireless module. The message is used for indicating a wireless link overload situation of the internet of things. When the internet of things is overloaded, data transmission speed of requests accessed into the internet of things is lowered.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to for extending the apparatus and method of machine to the dormancy period of machine (M2M) equipment.
Background technology
For a long time, our daily life all becomes more convenient by various machinery equipment, and in general, machinery equipment of today all is furnished with computation processor and software so that intelligent service to be provided.On the other hand, due to popularizing of wireless communication technology, thereby to have developed machine be Internet of Things (Machine-to-Machine) to machine technology, be designated hereinafter simply as M2M or Internet of Things, make to be separated by and can carry out exchange message and operate in the unmanned situation for operation by radio communication between remote machine.Particularly counterweight big bus construction (such as: water conservancy projects and bridge etc.), can use M2M transducer (sensor) monitor the operating state of (monitor) public construction and monitoring result (for example: global system for mobile communications (Global System for Moblie communications is passed through to cordless communication network, GSM)/packet type wireless data service (General Packet Radio Service, GPRS), global system for mobile communications (Universal Mobile Telecommunication System, UMTS), code division multiple access access 20001x system (Code Division Multiple Access20001x, CDMA20001x), 1x high-speed grouped data system (High Rate Packet Data, 1xHRPD), long evolving system (Long Term Evolution, LTE) etc.) return is to the management and control center, allow the manager of great public construction can know whether have certain part to break down.Other application comprises ammeter, coal gas pressure line monitoring device or laughable vending machine, makes it by cordless communication network, return operating state to a center system, in order to high efficiency to provide its relevant service under condition cheaply.
The 1x CDMA2000 version F of take is example, when mobile terminal MS or when being called user equipment (UE) and attempting access base station, need to be at access channel (Access channel, ACH) send access request also referred to as Reverse Access Channel or Reinforced Access Channel (enhanced access channel, EACH) also referred to as Reverse Enhanced Access Channel (REACH).Mobile terminal is similar with the transmission means of access channel by Reinforced Access Channel, i.e. the transmission of mobile terminal operation is random to avoid and in other mobile terminal conflicts of cochannel.The improvement of Reinforced Access Channel is that lower conflict incidence is arranged, and the time of mobile terminal message transfer busy channel when operation is shorter than the holding time by the access channel.Reinforced Access Channel can work in a plurality of access modules, comprises Basic Access Mode and reverse access module.In order to be transmitted by Reinforced Access Channel, mobile terminal must be determined used access module and the data rate used.Yet, according to 3GPP2C.0003 and C.0005, the definition of version F, base station does not provide enough parameters relevant with Reinforced Access Channel to come assist mobile terminal check access module and data rate, so certain influence has been received in the transmission of mobile terminal operation.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of mobile communications device, be applicable to Internet of Things communication, comprise wireless module and controller module.Wireless module, wireless transmission and reception in order to execution with this Internet of Things.Controller module, in order to by above-mentioned wireless module, from above-mentioned service network, to receive a message, this message comprises the wireless link overload situations that is used to indicate Internet of Things, when this Internet of Things overload, reduces the message transmission rate of this Internet of Things request of access.
The invention allows for a kind of method for mobile communications device, be applicable to Internet of Things communication by a wireless module, carry out wireless transmission and reception with this Internet of Things.By a controller module, receive a message from above-mentioned service network, this message comprises the wireless link overload situations that is used to indicate Internet of Things, when this Internet of Things overload, reduces the message transmission rate of this Internet of Things request of access.
The described device of the application of the invention and method, can avoid and clash during in access at other mobile terminals of cochannel, reduces the conflict incidence, simultaneously can the load of balance wireless link, and the reasonable distribution Radio Resource.
The accompanying drawing explanation
For following description and accompanying drawing, these and other object of the present invention, feature and advantage will become better understood, in accompanying drawing:
Fig. 1 is the schematic diagram according to the described mobile communication environment of one embodiment of the invention.
Fig. 2 is the schematic diagram according to the described mobile communications device 10 of the embodiment of Fig. 1.
Fig. 3 is the flow chart according to the described operation management method for M2M communication of one embodiment of the invention.
Fig. 4 is the message sequence chart of setting according to the described slot cycle index carried out for M2M signal post of one embodiment of the invention.
Embodiment
What these chapters and sections were narrated is to implement best mode of the present invention, and purpose is to illustrate spirit of the present invention but not, in order to limit protection scope of the present invention, protection scope of the present invention is as the criterion when looking claims confining spectrum of the present invention.
Fig. 1 is the schematic diagram according to the described mobile communication environment of one embodiment of the invention.Shown in mobile communication environment, mobile communications device 10 carries out M2M by air interface (air interface) with service network 20 and communicates by letter.Service network 20 comprises a Radio Access Network 210 and a core network 220, and wherein Radio Access Network 210 is responsible for wireless signal and is processed, carries out terminal wireless communication agreement and connection mobile communications device 10 and core network 220.Radio Access Network 210 at least comprises a base station 211 and an access control platform 212, base station 211 can be a transceiver base station (Base Transceiver Station, BTS) or base station (Base Station, BS), controlled to provide wireless transmission and the receiving function of service network 20 by access control platform 212.Clear and definite, base station 211 can provide a community or a plurality of logic sector usually.Access control platform 212 is responsible for controlling the running of base station 211, such as: the Radio Resource of management of base station 211, wireless parameter and interface etc.Core network 220 is responsible for carrying out mobile management, network terminal authentication and is connect with Jie of public network.
At an embodiment, service network 20 is a code division multiple access access 20001x system (comprising: 1xRTT, 1xEV-DO Release0/A/B/C, 1xEV-DO Revision D/E/F).Base station 211 is a transceiver base station, and access control platform 212 is a base station controller (Base Station Controller, BSC).Core network 220 comprises a circuit switching (Circuit-Switched, CS) field and a packet switching (Packet-Switched, PS) field, wherein circuit switch domain comprises a plurality of network entities, for example: (the Mobile Switching Center emulation of Simulated movable switching center, MSCe), media gateway (Media Gateway, MGW), Media Resource Function Processor (Media Resource Function Processor, MRFP), SGW (Signaling Gateway, SGW), service of simulation control point (Service Control Point emulation, SCPe), and emulation one's original domicile position recorder (Home Location Register emulation, HLRe), field of packet switching comprises packet data serving node (Packet Data Service Node, PDSN) and authentication and authorization charging (Authentication Authorization Accounting, AAA) server.Need be understood that, code division multiple access access 20001x system is only an illustrative example, and the present invention also accesses other cordless communication network of the future development technology of 20001x technology applicable to employing code division multiple access, and the present invention is not subject to the limits.
Fig. 2 is the schematic diagram according to the described mobile communications device 10 of the embodiment of the first figure.Mobile communications device 10 comprises wireless module 110 and controller module 120, and wherein wireless module 110 is in order to carry out the function of wireless transmission and reception, and controller module 120 is in order to control the running of wireless module 110.Further illustrate, wireless module 110 can be a radio frequency (Radio Frequency, RF) unit (not illustrating), and controller module 120 can be general processor or the micro-control unit (Micro-Control Unit, MCU) of a base band (baseband) unit (not illustrating).Base Band Unit can comprise that a plurality of hardware units are to carry out base band signal process, comprise analog digital conversion (analog to digital conversion, ADC)/digital-to-analogue conversion (digital to analog conversion, DAC), gain (gain) adjustment, modulation and demodulation system and coding/decoding etc.But radio frequency unit received RF wireless signal, and rf wireless signal is converted to baseband signal further processes to transfer to baseband module, or from baseband signal module receiving baseband signal, and baseband signal is converted to rf wireless signal to be transmitted.Radio frequency unit also can comprise that a plurality of hardware units are to carry out above-mentioned radio frequency conversion, for instance, radio frequency unit can comprise that a frequency mixer (mixer) is with the vibration of one in the radio frequency that baseband signal is multiplied by mobile communication system carrier wave, wherein this radio frequency can be 800 megahertzes, 1900 megahertzes or 2400 megahertzes that code division multiple access access 20001x technology is used, or depending on the standard of other wireless communication technology.Though do not illustrate, mobile communications device 10 also can further comprise other functional module, such as: in order to display unit that man-machine interface is provided and/or button (keypad) and in order to the memory cell of storing application program etc.
Fig. 3 is linked into the access configuration flow figure of base station according to the described mobile communications device of the embodiment of Fig. 1.At first mobile terminal determines whether and receives a general page messages (general page message, GPM) from base station, and judges whether mobile terminal supports Reinforced Access Channel.General page messages comprises a plurality of message and is used to refer to the access that mobile terminal is accomplished to base station.In step 310, extract overload of reversed link indication RL_UNDERLOAD_INDICATOR from general page messages, this indication comprises one or more bits, and in one embodiment, this is designated as 1 bit.In step 320, the judgement overload of reversed link indicates whether to be made as the first value, and for example ' 1 ', in step 330, this reverse link is designated as 1, means that reverse link loading is too high, in step 340, reduces message transmission rate.In step 350, this reverse link is designated as 0, keeps the data rate of existing request constant.In another embodiment, when reverse link is designated as 0, improve data rate, re-start the access procedure to base station by mobile terminal.
The mobile terminal that Fig. 4 is description according to one embodiment of present invention reduces the flow chart of data rate.In step 410, when reverse link is designated as 1, mobile terminal reduces the message transmission rate of request, in one embodiment of the invention, can preset a plurality of data rates at mobile terminal, for example, 38.4kbps, 19.2kbps, 9.6kbps 4.8kbps etc., it will be appreciated by those skilled in the art that, above-mentioned speed is only explanation, and the message transmission rate that other mobile terminals can be supported all can be suitable for the present invention.When mobile terminal receives that reverse link is designated as 1, in step 420, the type of service of judgement mobile terminal request access base station, in step 430, when business is the first kind, for example during speech business, be down to the first value, for example 9.6kbps by data rate.In step 440, when business is Second Type, during such as data services such as file transfer, data rate is down to the second value, for example 4.8kbps.Because speech business is higher to the data rate requirement, in one embodiment of the invention, by the first value, it is set higher than the second value.In another embodiment of the present invention, can, to the business of the first kind and/or business setting one threshold value of Second Type, when reducing its data rate, not wait and be less than this threshold value.
In one embodiment of the invention, can revise as follows access model selection algorithm:
Though the present invention is with various embodiment openly as above, however its only for example with reference to but not in order to limit scope of the present invention, those skilled in the art under the premise without departing from the spirit and scope of the present invention, can do a little change and retouching.Therefore above-described embodiment is not in order to limit scope of the present invention, and protection scope of the present invention is to be as the criterion with claims confining spectrum of the present invention.
Claims (12)
1. a mobile communications device, be applicable to Internet of Things communication, comprising:
One wireless module, wireless transmission and reception in order to execution with this Internet of Things; And
One controller module, in order to by above-mentioned wireless module, from above-mentioned service network, to receive a message, this message comprises the wireless link overload situations that is used to indicate Internet of Things, when this Internet of Things overload, reduces the message transmission rate of this Internet of Things request of access.
2. mobile communications device as claimed in claim 1, wherein above-mentioned message is a general page messages, when this message accesses this Internet of Things at this mobile communications device, by this Internet of Things, by base station, to this mobile communications device, is sent.
3. mobile communications device as claimed in claim 1, wherein this message, by the wireless link overload situations of this Internet of Things of overload of reversed link signal designation, when this overload of reversed link signal is the first value, reduces message transmission rate to the first value of request.
4. mobile communications device as claimed in claim 3, wherein when the type of the transfer of data of asking is speech business, this controller module also comprises a first threshold, when this overload of reversed link signal is the first value, reduces the message transmission rate of request higher than this first threshold.
5. mobile communications device as claimed in claim 3, wherein when the type of the transfer of data of asking is data service, this controller module also comprises a Second Threshold, when this overload of reversed link signal is the first value, reduces the message transmission rate of request higher than this Second Threshold.
6. mobile communications device as claimed in claim 1, wherein this Internet of Things is used CDMA20001x version F agreement.
7. the method for mobile communications device, be applicable to Internet of Things communication, and the method comprises:
By a wireless module, carry out wireless transmission and reception with this Internet of Things; And
By a controller module, receive a message from above-mentioned service network, this message comprises the wireless link overload situations that is used to indicate Internet of Things, when this Internet of Things overload, reduces the message transmission rate of this Internet of Things request of access.
8. method as claimed in claim 7, wherein above-mentioned message is a general page messages, when this message accesses this Internet of Things at this mobile communications device, by this Internet of Things, by base station, to this mobile communications device, is sent.
9. method as claimed in claim 7, wherein this message, by the wireless link overload situations of this Internet of Things of overload of reversed link signal designation, when this overload of reversed link signal is the first value, reduces message transmission rate to the first value of request.
10. method as claimed in claim 9, wherein when the type of the transfer of data of asking is speech business, this controller module also comprises a first threshold, when this overload of reversed link signal is the first value, reduces the message transmission rate of request higher than this first threshold.
11. method as claimed in claim 9, wherein when the type of the transfer of data of asking is data service, this controller module also comprises a Second Threshold, when this overload of reversed link signal is the first value, reduces the message transmission rate of request higher than this Second Threshold.
12. method as claimed in claim 7, wherein this Internet of Things is used CDMA20001x version F agreement.
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| CN2013104015980A CN103442393A (en) | 2013-09-06 | 2013-09-06 | Device and method for prolonging dormancy period of internet of things device |
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| CN2013104015980A CN103442393A (en) | 2013-09-06 | 2013-09-06 | Device and method for prolonging dormancy period of internet of things device |
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| CN1798130A (en) * | 2004-12-24 | 2006-07-05 | 华为技术有限公司 | Method for adjusting parameters of controlling reversed load in CDMA data system |
| CN100459565C (en) * | 2003-09-16 | 2009-02-04 | Ut斯达康(中国)有限公司 | Method for controlling wireless access based on multiple service priority level in UMTS |
| US20130203402A1 (en) * | 2012-02-06 | 2013-08-08 | Zte (Usa) Inc. | Enhancement of access control for cdma2000 |
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2013
- 2013-09-06 CN CN2013104015980A patent/CN103442393A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539225A (en) * | 2001-06-07 | 2004-10-20 | �����ɷ� | Method and apparatus for reduction of congestion through data rate adjustment in wireless communication system |
| CN100459565C (en) * | 2003-09-16 | 2009-02-04 | Ut斯达康(中国)有限公司 | Method for controlling wireless access based on multiple service priority level in UMTS |
| CN1798130A (en) * | 2004-12-24 | 2006-07-05 | 华为技术有限公司 | Method for adjusting parameters of controlling reversed load in CDMA data system |
| US20130203402A1 (en) * | 2012-02-06 | 2013-08-08 | Zte (Usa) Inc. | Enhancement of access control for cdma2000 |
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Owner name: KY WIRE ELECTRIC CO., LTD. Free format text: FORMER OWNER: MEISHANG WEIRUI ELECTRIC COMPANY Effective date: 20140828 |
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Application publication date: 20131211 |