CN102149139B - A kind of method for transmitting uplink data of MTC system and system - Google Patents
A kind of method for transmitting uplink data of MTC system and system Download PDFInfo
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- CN102149139B CN102149139B CN201010116415.7A CN201010116415A CN102149139B CN 102149139 B CN102149139 B CN 102149139B CN 201010116415 A CN201010116415 A CN 201010116415A CN 102149139 B CN102149139 B CN 102149139B
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Abstract
The invention discloses method for transmitting uplink data and the system of a kind of machine type communication (MTC) system: network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data; When machine terminal needs to send up machine service data, wireless heterogeneous networks (RRC) need not be set up between machine terminal and network equipment connect, machine terminal obtains the right to use of public wireless bearing resource by competitive way, and utilizes public wireless bearing resource to send up machine service data to network equipment; Machine terminal can be made to carry out the mutual of signaling information with network equipment as few as possible when sending up machine service data by the present invention, the utilance of Radio Resource can be maximized.
Description
Technical field
The present invention relates to machine type communication (MTC) system regions, refer to a kind of method for transmitting uplink data and system of MTC system especially.
Background technology
Collected by various sensing means, process and reporting information, by network reception and process information, integrate each application system for user better service is provided; The technology from information gathering, information transmission, information processing various aspects has been merged at technological layer; In service aspect integrating telecommunications networks, enterprise network, even Internet service and various enterprise, industry, domestic. applications, and rising to urban applications and social application, is exactly more than the target of world information process development.
Along with the intelligent Application of each industry and the extensive use of radio communication, making to carry out information interaction between machine and network becomes possibility.There is following characteristics in pattern, i.e. machine type communication (MTC, MachineTypeCommunication) system that the machinery equipment for the purpose of information gathering and network carry out communicating:
One, communication equipment is many, and the application of general each service industry comprises data acquisition, and the machinery equipment for the purpose of data acquisition therefore related to will be very many, the ammeter data statistics of the such as every household of whole provinces and cities;
Two, data traffic is little, and machinery equipment usually only just gathers when needs information gathering and sends data, and data traffic is smaller, does not need continuous transmission;
Three, requirement of real-time is low, and the requirement of real-time of usual data acquisition is not high, completes in the time period relatively can grown at one;
Four, low-power consumption, this kind of machinery equipment does not have manual maintenance usually, often can not change battery yet, and power saving is the aspect of overriding concern.
Due to current wireless communication system comparative maturity, the information gathering realizing industry-by-industry based on existing communication network is the minimum and scheme that is that also the most easily realize of cost.But based on above-mentioned four features, need to improve existing wireless communication system, just can be applicable to MTC system.
As the wireless communication system for UMTS, if subscriber equipment will send upstream data, no matter how little flow have, wireless heterogeneous networks (RRC all must be set up with network side in user side, RadioResourceControl) connect, connected by RRC and set up and keep the mutual of signaling data between the two, then just can carry out the transmission of business datum.But, can be there is following problem for MTC system in the mode of this business data transmission: in MTC system, subscriber equipment is many, all to set up RRC when every platform subscriber equipment sends data at every turn to connect, and the data volume of actual transmissions is very little, namely, the resource consumption brought for the transmission transmitting the signaling message that small data flow carries out is far longer than the consumption of transmitted data amount own resources, and the so this wasting of resources needs to adopt better method to avoid.
If the mode just by reducing the signaling data that RRC connection establishment is brought reduces resource consumption, the mode making subscriber equipment always online so can be adopted to solve when not changing prior art, but, always online mode compares the increase that idle pulley will inevitably bring power consumption, is also contrary with the low-power consumption feature of machine terminal.
Summary of the invention
In view of this, main purpose of the present invention is the method for transmitting uplink data and the system that provide a kind of MTC system, make machine terminal carry out the mutual of signaling information with network equipment as few as possible when sending up machine service data, the utilance of Radio Resource can be maximized.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the method for transmitting uplink data of a kind of machine type communication (MTC) system, the method comprises:
Network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data;
When described machine terminal needs to send up machine service data, wireless heterogeneous networks (RRC) need not be set up between described machine terminal and described network equipment connect, described machine terminal obtains the right to use of described public wireless bearing resource by competitive way, and utilizes described public wireless bearing resource to send up machine service data to described network equipment.
Before arranging described public wireless bearing resource, the method comprises further:
Described network equipment is reserved described for carrying the public wireless bearing resource of machine service data.
Described network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data, are specially:
The information of reserved described public wireless bearing resource is carried in system message by described network equipment, and is broadcast to described machine terminal; Or,
The information of reserved described public wireless bearing resource is carried in radio bearer information message by described network equipment, and sends to described machine terminal; Or,
The described public wireless bearing resource that described network equipment is reserved is set in advance in described machine terminal.
Described public wireless bearing resource comprises: the mapping relations between enhanced dedicated physical data channel, enhancement type special channel, Common Control Channel and three.
Described machine terminal obtains the right to use of described public wireless bearing resource by competitive way, is specially:
When described machine terminal needs to send up machine service data, the available access subchannel that described machine terminal random selecting network equipment provides and described access subchannel characteristic of correspondence symbol;
Described characteristic symbol is sent to network equipment by the described access subchannel of described machine terminal;
When described machine terminal detects that network equipment indicates according to the permission access that described characteristic symbol returns, described machine terminal is competed successfully, obtains the right to use of described public wireless bearing resource.
Described machine terminal is to after described network equipment sends up machine service data, and the method comprises further:
Described network equipment receives described up machine service data by described public wireless bearing resource, and carries out treatment and analysis to described up machine service data.
RRC need not be set up between described machine terminal and described network equipment connect, be specially: when described machine terminal needs to send up machine service data, described machine terminal does not initiate RRC connection request.
Present invention also offers a kind of upstream data transmitting system of MTC system, this system comprises: network equipment and machine terminal, wherein:
Described network equipment, for the public wireless bearing resource of making an appointment for carrying machine service data with described machine terminal; Also for receiving the up machine service data that described machine terminal sends;
Described machine terminal, for the public wireless bearing resource of making an appointment for carrying machine service data with described network equipment; Also for when needs send up machine service data, obtained the right to use of described public wireless bearing resource by competitive way, and utilize described public wireless bearing resource to send up machine service data to described network equipment.
Described network equipment, also for before the described public wireless bearing resource of agreement, reserved described for carrying the public wireless bearing resource of machine service data.
Described machine terminal, also for when being obtained the right to use of described public wireless bearing resource by competitive way, the available access subchannel that random selecting network equipment provides and described access subchannel characteristic of correspondence symbol, and with described access subchannel, described characteristic symbol is sent to network equipment; Also for when the permission access instruction that described network equipment returns according to described characteristic symbol being detected, obtain the right to use of described public wireless bearing resource.
The method for transmitting uplink data of MTC system of the present invention and system, after the public wireless bearing resource that network equipment and machine terminal are appointed for carrying machine service data, when needs send up machine data, machine terminal just utilizes public wireless bearing resource to send up machine data.In the present invention, for this special type of service of machine service and this special equipment of machine terminal, when sending up machine service data, machine terminal is connected with the wireless RRC of foundation of network equipment, so just saves Radio Resource.Wherein, network equipment and machine terminal are only by system message or radio bearer information message, namely the agreement of public wireless bearing resource can be completed, even can the public wireless bearing resource that network equipment is reserved be set in advance in machine terminal, and not by the mutual agreement that just can complete public wireless bearing resource of any signaling, so make machine terminal carry out the mutual of signaling information with network equipment as few as possible when sending up machine service data, the utilance of Radio Resource can be maximized; In addition, machine terminal, only when needs send up machine service data, just carries out the usufructuary operation of acquisition public wireless bearing resource, makes machine terminal need not be always online, reaches the object of power saving.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for transmitting uplink data of MTC system of the present invention;
Fig. 2 is the flow chart of the method for transmitting uplink data embodiment one of MTC system of the present invention;
Fig. 3 is the flow chart of the method for transmitting uplink data embodiment two of MTC system of the present invention;
Fig. 4 is the flow chart of the method for transmitting uplink data embodiment three of MTC system of the present invention;
Fig. 5 is the structural relation schematic diagram of the upstream data transmitting system of MTC system of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
Be illustrated in figure 1 the flow chart of the method for transmitting uplink data of MTC system of the present invention, comprise:
Step 101, network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data.
Machine terminal refers to the device type of carrying out machine type communication, as code table, transducer, digital camera, medical electronic devices etc.
For machine service, first network equipment will reserve a part of public wireless bearing resource, for carrying machine service data.Then, network equipment and machine terminal will be arranged this public wireless bearing resource, and the present invention mainly adopts following several mode:
One is, the information of reserved public wireless bearing resource is carried in system message by network equipment, and is broadcast to all machine terminal;
One is, the information of public wireless bearing resource is carried in radio bearer information message by network equipment, and sends to all machine terminal;
One is, the public wireless bearing resource that network equipment is reserved is set in advance in each machine terminal.
By above three kinds of modes, in network equipment and machine terminal, all store the public wireless bearing resource that can be used for carrying machine service data.
Public wireless bearing resource comprises: physical channel resources: enhanced dedicated physical data channel, transmission channel resources: enhancement type special channel, logic channel resource: the mapping relations between Common Control Channel and three: Common Control Channel is mapped to enhancement type special channel, and enhancement type special channel is mapped to enhanced dedicated physical data channel.Up machine service data can be sent to network side by public wireless bearing resource by machine terminal.Concrete, data are transmitted as prior art on public wireless bearing resource, repeat no more herein.
Step 102, when machine terminal needs to send up machine service data, RRC need not be set up between machine terminal and network equipment connect, but obtained the right to use of public wireless bearing resource by competitive way, and public wireless bearing resource is utilized to send up machine service data to network equipment.
In the present invention, for this special type of service of machine service and this special equipment of machine terminal, when sending up machine service data, machine terminal is not initiated the wireless RRC of foundation of RRC connection request, i.e. machine terminal and network equipment and is connected, and so just saves Radio Resource.
When machine terminal needs to send up machine service data, machine terminal just triggers the usufructuary operation obtaining public wireless bearing resource, and so, it is always online that machine terminal is wireless, reaches the object of power saving.The concrete machine terminal that needs obtains the right to use of public wireless bearing resource, because synchronization, same public wireless bearing resource can only be used by a machine terminal by the mode of competition.The usufructuary process that in the present invention, machine terminal obtains public wireless bearing resource by the mode of competition is as follows:
The available access subchannel that machine terminal random selecting network equipment provides and this access subchannel characteristic of correspondence symbol; This characteristic symbol is sent to network side by this access subchannel of machine terminal; When machine terminal detects that network equipment indicates according to the permission access that characteristic symbol returns, machine terminal is competed successfully, can obtain simultaneously accordingly for carry the public wireless bearing resource of machine service data the right to use, namely can send up machine service data by this public wireless bearing resource to network equipment.
After network side receives the described characteristic symbol of machine terminal transmission, when allowing this machine terminal to send up machine service data as required, by AICH Acquisition Indication Channel, permission access instruction is sent to this machine terminal, then this machine terminal is competed successfully.
In addition, network equipment can receive the up machine service data of machine terminal transmission by corresponding public wireless bearing resource, and carries out treatment and analysis.
Be illustrated in figure 2 the flow chart of the method for transmitting uplink data embodiment one of MTC system of the present invention, comprise:
Step 201, network equipment remains for the public wireless bearing resource carrying machine service data in advance.
First network equipment needs reserved a part of public wireless bearing resource for carrying machine service data.
Public wireless bearing resource comprises: physical channel resources: enhanced dedicated physical data channel, transmission channel resources: enhancement type special channel, logic channel resource: the mapping relations between Common Control Channel and three: Common Control Channel is mapped to enhancement type special channel, and enhancement type special channel is mapped to enhanced dedicated physical data channel.Up machine service data can be sent to network side by public wireless bearing resource by machine terminal.
Step 202, system message is broadcast to all machine terminal by network equipment, wherein, carries the information of (network equipment is reserved) public wireless bearing resource in system message.
Machine terminal is according to the public wireless bearing resource information in system message, and which public wireless bearing resource can know currently has to use.
Step 203, when needing to send up machine service data, machine terminal can trigger and obtain the usufructuary operation of public wireless bearing resource: obtained by competitive way.
Because all machine terminal send that the situation of up machine service data is less and data volume that is up machine service data is smaller at synchronization to network side, simultaneously in order to improve the utilance of public wireless bearing resource, the public wireless bearing resource that above-mentioned network equipment is reserved is limited; In addition, because synchronization, same public wireless bearing resource can only be used by a machine terminal, so machine terminal needs the right to use being obtained public wireless bearing resource by the mode of competition:
The available access subchannel that machine terminal random selecting network equipment provides and this access subchannel characteristic of correspondence symbol; This characteristic symbol is sent to network side by this access subchannel of machine terminal; When machine terminal detects that network equipment indicates according to the permission access that characteristic symbol returns, machine terminal is competed successfully, can obtain simultaneously accordingly for carry the public wireless bearing resource of machine service data the right to use, namely can send up machine service data by this public wireless bearing resource to network equipment.
Step 204, after getting the right to use of public wireless bearing resource, machine terminal sends up machine service data to network equipment on public wireless bearing resource.
Step 205, network equipment also receives up machine service data by this public wireless bearing resource simultaneously, and carries out treatment and analysis.
Be illustrated in figure 3 the flow chart of the method for transmitting uplink data embodiment two of MTC system of the present invention, this flow process is roughly the same with the flow process of Fig. 2, unlike, in this embodiment, reserved public wireless bearing resource information is sent to machine terminal (step 302) by radio bearer information message by network equipment.
Be illustrated in figure 4 the flow chart of the method for transmitting uplink data embodiment three of MTC system of the present invention, comprise:
The realizing of step 401 and step 201 identically repeats no more herein.
Step 402, arranges the public wireless bearing resource that network equipment is reserved in advance in machine terminal, so before the up machine service data of transmission, just need not carry out the mutual of other signalings.
The realization of step 403 ~ 405, with step 203 ~ 205, repeats no more herein.
In order to realize said method, the invention provides a kind of upstream data transmitting system of MTC system, as shown in Figure 5, this system comprises: network equipment 10 and machine terminal 20, wherein:
Network equipment 10, for the public wireless bearing resource of making an appointment for carrying machine service data with machine terminal 20; Also for receiving the up machine service data that machine terminal 20 sends;
Machine terminal 20, for the public wireless bearing resource of making an appointment for carrying machine service data with network equipment 10; Also for when needs send up machine service data, obtained the right to use of public wireless bearing resource by competitive way, and utilize public wireless bearing resource to send up machine service data to network equipment 10.
Network equipment 10, also for before agreement public wireless bearing resource, remains for the public wireless bearing resource carrying machine service data in advance.
Machine terminal 20, also for when obtaining the right to use of public wireless bearing resource by competitive way, the available access subchannel that random selecting network equipment 10 provides and access subchannel characteristic of correspondence symbol, and with access subchannel, characteristic symbol is sent to network equipment 10; Also for when the permission access instruction that network equipment 10 returns according to characteristic symbol being detected, obtain the right to use of public wireless bearing resource.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (8)
1. a method for transmitting uplink data for machine type communication (MTC) system, it is characterized in that, the method comprises:
Network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data;
When described machine terminal needs to send up machine service data, wireless heterogeneous networks (RRC) need not be set up between described machine terminal and described network equipment connect, described machine terminal obtains the right to use of described public wireless bearing resource by competitive way, and utilizes described public wireless bearing resource to send up machine service data to described network equipment;
Before the described public wireless bearing resource of described agreement, the method comprises further:
Described network equipment is reserved described for carrying the public wireless bearing resource of machine service data.
2. the method for transmitting uplink data of MTC system according to claim 1, is characterized in that, described network equipment and machine terminal are made an appointment the public wireless bearing resource for carrying machine service data, are specially:
The information of reserved described public wireless bearing resource is carried in system message by described network equipment, and is broadcast to described machine terminal; Or,
The information of reserved described public wireless bearing resource is carried in radio bearer information message by described network equipment, and sends to described machine terminal; Or,
The described public wireless bearing resource that described network equipment is reserved is set in advance in described machine terminal.
3. the method for transmitting uplink data of MTC system according to claim 2, it is characterized in that, described public wireless bearing resource comprises: the mapping relations between enhanced dedicated physical data channel, enhancement type special channel, Common Control Channel and three.
4. the method for transmitting uplink data of MTC system according to claim 2, it is characterized in that, described machine terminal obtains the right to use of described public wireless bearing resource by competitive way, is specially:
When described machine terminal needs to send up machine service data, the available access subchannel that described machine terminal random selecting network equipment provides and described access subchannel characteristic of correspondence symbol;
Described characteristic symbol is sent to network equipment by the described access subchannel of described machine terminal;
When described machine terminal detects that network equipment indicates according to the permission access that described characteristic symbol returns, described machine terminal is competed successfully, obtains the right to use of described public wireless bearing resource.
5. the method for transmitting uplink data of MTC system according to claim 4, is characterized in that, described machine terminal is to after described network equipment sends up machine service data, and the method comprises further:
Described network equipment receives described up machine service data by described public wireless bearing resource, and carries out treatment and analysis to described up machine service data.
6. the method for transmitting uplink data of MTC system according to claim 1, it is characterized in that, RRC need not be set up between described machine terminal and described network equipment connect, be specially: when described machine terminal needs to send up machine service data, described machine terminal does not initiate RRC connection request.
7. a upstream data transmitting system for MTC system, is characterized in that, this system comprises: network equipment and machine terminal, wherein:
Described network equipment, for the public wireless bearing resource of making an appointment for carrying machine service data with described machine terminal; Also for receiving the up machine service data that described machine terminal sends;
Described machine terminal, for the public wireless bearing resource of making an appointment for carrying machine service data with described network equipment; Also for when needs send up machine service data, obtained the right to use of described public wireless bearing resource by competitive way, and utilize described public wireless bearing resource to send up machine service data to described network equipment;
Described network equipment, also for before the described public wireless bearing resource of agreement, reserved described for carrying the public wireless bearing resource of machine service data.
8. the upstream data transmitting system of MTC system according to claim 7, it is characterized in that, described machine terminal, also for when being obtained the right to use of described public wireless bearing resource by competitive way, the available access subchannel that random selecting network equipment provides and described access subchannel characteristic of correspondence symbol, and with described access subchannel, described characteristic symbol is sent to network equipment; Also for when the permission access instruction that described network equipment returns according to described characteristic symbol being detected, obtain the right to use of described public wireless bearing resource.
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| CN201010116415.7A CN102149139B (en) | 2010-02-10 | 2010-02-10 | A kind of method for transmitting uplink data of MTC system and system |
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| CN201010116415.7A CN102149139B (en) | 2010-02-10 | 2010-02-10 | A kind of method for transmitting uplink data of MTC system and system |
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| CN102149139B true CN102149139B (en) | 2016-02-24 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102368875B (en) * | 2011-10-18 | 2017-03-01 | 电信科学技术研究院 | A kind of method setting up connection, system and equipment |
| CN103891321B (en) * | 2012-09-29 | 2017-11-24 | 华为技术有限公司 | Data transmission method, equipment and system |
| CN103781192B (en) * | 2012-10-23 | 2017-04-12 | 上海贝尔股份有限公司 | Method for carry out information transmission in communication network based on machine type communication |
| CN107231663B (en) * | 2012-12-05 | 2021-03-30 | 华为技术有限公司 | Resource allocation method and equipment |
| WO2016115666A1 (en) * | 2015-01-19 | 2016-07-28 | 华为技术有限公司 | Method and apparatus for determining gp length and sending uplink data packet |
| US10667321B2 (en) * | 2015-02-09 | 2020-05-26 | Intel IP Corporation | Evolved Node-B, user equipment, and methods for transition between idle and connected modes |
| CN108307538B (en) * | 2016-09-30 | 2023-05-02 | 夏普株式会社 | Method and apparatus for establishing/reconfiguring data bearers |
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| CN1385039A (en) * | 1999-02-23 | 2002-12-11 | 诺基亚移动电话有限公司 | Channel selection for packet data transfer in cellular system |
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