CN102469549A - Network access method and system - Google Patents
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- CN102469549A CN102469549A CN2010105496255A CN201010549625A CN102469549A CN 102469549 A CN102469549 A CN 102469549A CN 2010105496255 A CN2010105496255 A CN 2010105496255A CN 201010549625 A CN201010549625 A CN 201010549625A CN 102469549 A CN102469549 A CN 102469549A
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Abstract
The invention discloses a network access method. The method comprises the following steps of dividing terminals into first class terminals and second class terminals according to a decision for distinguishing terminal classes when an access problem arises; accessing the first class terminals to a control station and accessing the second class terminals to the first class terminals. The invention further discloses a network access system. No matter the method or the system, the network access technology provided by the invention can distinguish the terminals through the access method of the hierarchical network applied in a wireless communication system of the Internet of things, thereby realizing hierarchically accessing for the distinguished terminals, thus, the collision caused by that multiple terminals synchronously initiate network access can be effectively reduced, the access quality is ensured, and the user satisfaction can be improved remarkably.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of method for network access and system.
Background technology
The communication of Internet of Things (M2M, Machine to Machine network, perhaps MTC, Machine Type Communication network) be a kind of be the application and the service of core, networking with the machine terminal intelligent interaction.The system configuration of Internet of Things comprises machine, Internet of Things hardware, communication network, middleware and application shown in accompanying drawing 1.
Wherein, said machine is meant the intelligence machine with communication capacity; Said Internet of Things hardware is to make machine have the parts of communication or networked capabilities, can carry out the extraction of information, obtains data there from various machine/apparatus, and is sent to communication network; Said communication network comprises: wide area network (mobile radio networks, satellite communication network, internet, public switched telephone network), local area network (LAN) such as Ethernet, WLAN (WLAN, Wireless Local Area Networks), bluetooth (Bluetooth), individual territory net (Zigbee, sensor network) etc.; Said middleware comprises two parts: things-internet gateway and data collection/integrated component.Things-internet gateway can obtain the data from communication network, sends data to information processing system, and main function is the conversion of accomplishing between the different communication protocol; Data collection/integrated component can carry out difference processing and processing to initial data, and the result is presented to observer and policymaker, for example data analysis and business intelligence parts, abnormal conditions report and workflow parts, data warehouse and memory unit etc.; Said application can be processed analysis to the data that obtain, for decision-making and control provide foundation.
In the above-mentioned component; Communication network is basis and a bridge of realizing Internet of Things; Connect various terminal equipments or subsystem through multiple wired or wireless communication technology, adopt standardized data expression technology such as Internet of Things middleware, terminal equipment or subsystem are aggregated into unified management system; Thereby realize telemonitoring, report to the police automatically, control, diagnose and safeguard, realize globalize management and service equipment.Wherein, most widely used is wireless communication technology.With wireless communication technology (for example Zigbee), general packet radio service (GPRS; General Packet Radio Service) technology, global system for mobile communications (GSM; Global System for Mobile Communications), code division multiple access (CDMA; Code Division Multiple Access), TD SDMA (TD-SCDMA; Time Division-Synchronous Code Division Multiple Access), worldwide interoperability for microwave inserts (WiMAX; Worldwide Interoperability for Microwave Access), Long Term Evolution and enhancing (LTE/LTE-A; Long Term Evolution/Long Term Evolution Advanced), WiMAX (WiFi, Wireless Fidelity), network communication protocol (TCP/IP, Transmission Control Protocol/Internet Protocol) etc. are applied to Internet of Things; Can greatly solve the bandwidth problem of Internet of Things, make the business of Internet of Things and the multimedization of monitor data that the basis of carrying arranged; And the content multimedization of Internet of Things has also promoted the application of wireless communication technology.
Control network element in the wireless communication system can be controlled other equipment according to communication protocol/technique.The control network element comprises control station and network.Control station include but not limited to the base station (Base Station, BS) and relay station (Relay).Communication protocol/technique includes but not limited to GSM, CDMA, PHS, EDGE, CDMA2000, TD-SCDMA, HSPA, WCDMA, EVDO, HSOPA, WiMAX, LTE etc.The base station includes but not limited to macro base station (Macro BS), little base station (Pico BS), femto base station (Femto BS).Equipment in the Internet of Things possibly have different ability, and the Internet of Things equipment that has is the access control station directly; The Internet of Things equipment that has can either pass through other Internet of Things equipment access control stations, also direct access control station; The Internet of Things equipment that has can also be with other Internet of Things equipment access control stations except direct access control station.Wherein, Internet of Things equipment specifically can be relay station (Relay Station), little base station, femto base station or terminal (Moblie Station, MS) etc., as shown in Figure 2.
Network insertion is carried out at the terminal under control station flow process all has definition in various wireless systems.With the WiMAX system is example, and the flow process that network insertion is carried out at the terminal is: the terminal obtains the system information that control station sends, and carries out down-going synchronous with control station; Control station sends ranging information, comprises ranging code, range finding time and range frequency information; The terminal obtains the time and the frequency information (also can be called the initial ranging zone) of initial ranging sign indicating number and initial ranging from system information, on the initial ranging zone, send the initial ranging sign indicating number then and find range; After control station is successfully received the ranging code that sends at the terminal, send ranging response message and give the terminal, comprising the time/frequency that needs the terminal to carry out/power adjustment information; Adjustment is carried out at the terminal, and this adjustment process continues to carry out, and finishes up to adjustment; Control station is the bandwidth that terminal distribution is sent distance measurement request message, and after receiving the distance measurement request message at terminal, is the terminal distribution identification information.Subsequently, terminal and control station carry out ability mutual with process such as registration.It is thus clear that the purpose of network insertion mainly is in order to let the terminal be connected to network, under control station, to carry out the preparation of communication.
Along with the extensive fast development of using based on the Internet of Things of radio communication, the possible enormous amount of the Internet of Things number of devices of a control station service down.In some cases, the Internet of Things equipment of enormous amount can be initiated network insertion simultaneously, thereby makes collision probability increase, and causes most Internet of Things equipment access failures, and perhaps access delay is long; The inevitable serious user satisfaction that reduces of the obvious decline of this cut-in quality.Associated scenario is like scene 1) earthquake, and under the state of emergency such as tsunami, large-area transducer need report abnormal data; Scene 2) certain Internet of Things backbone network breaks down, and the terminal in a large amount of these nets need be transformed in other networks.
Therefore, be badly in need of a kind of method that is directed against the optimization of Internet of Things network architecture, but also do not see solution suitable under this scene in the prior art for large number quipments while access network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method for network access and system, reduces the collision of a plurality of terminals when initiating network insertion simultaneously, to guarantee cut-in quality.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method for network access comprises: distinguish the decision-making of terminal class when the access problem occurring, the terminal is divided into first kind terminal, second Terminal Type; Access control station, first kind terminal, second Terminal Type inserts first kind terminal.
This method is carried out when discovery great amount of terminals while access network; The said discovery great amount of terminals method of access network simultaneously is: control station or network find to have no the terminal to insert successfully in the scheduled time; When the terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold, confirm to find great amount of terminals access network simultaneously.
The method of dividing said first kind terminal, second Terminal Type is: network or control station send layer-specific access information; The following method of terminal applies that receives layer-specific access information is confirmed the classification of self: said classification just confirms when the network planning and is stored in the memory body at terminal that the terminal is known from the classification when the access problem occurs in view of the above; Perhaps, control station or network are through location information of terminals or the signal strength information classification of indicating terminal in advance, and the terminal is known from the classification when the access problem occurs in view of the above.
This method further comprises: first kind terminal is transmitted to control station or network with the information of second Terminal Type in access procedure; It seems that from the Access Layer of control station all information is all from first kind terminal; If first kind terminal is not transmitted to control station with the information of second Terminal Type in access procedure, then first kind terminal has the function of complete access control.
This method further comprises: the resource that control station will be used for the access of second Terminal Type sends to first kind terminal; Do not send to first kind terminal if control station will not be used for the resource of second Terminal Type access, the said resource that is used to insert is dispatched by first kind terminal voluntarily.
Use at different first kind terminal, and the said resource that is used to insert second Terminal Type is identical, or different.
Access control station, first kind terminal, and do not have sequencing between second Terminal Type access first kind terminal, that is: second Terminal Type inserts first kind terminal behind the first kind terminal access control station; Perhaps, preceding second Terminal Type in first kind terminal access control station inserts first kind terminal; Perhaps, second Terminal Type inserts the first kind terminal during first kind terminal access control station.
A kind of network access system comprises classification decision package and all coupled first kind terminal access unit, the second Terminal Type access unit; Wherein,
Said classification decision package, the classification at terminal is confirmed in the decision-making that is used for distinguishing when the access problem occurring terminal class, and determined classification is notified to the pairing first kind of this classification terminal access unit, the second Terminal Type access unit;
Said first kind terminal access unit is used to control access control station, first kind terminal;
The said second Terminal Type access unit is used to control second Terminal Type and inserts first kind terminal.
Said access operation is carried out when discovery great amount of terminals while access network; Said classification decision package finds that great amount of terminals simultaneously during access network, is used for: find to have no the terminal to insert successfully in the scheduled time, when the terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold, confirm discovery great amount of terminals while access network.
When said classification decision package is divided said first kind terminal, second Terminal Type, be used for: receive layer-specific access information; According to the layer-specific access information that receives, use the classification that following method is confirmed the terminal: the classification at said terminal has just been confirmed good when the network planning and has been fixed in the memory body at terminal, known the classification of terminal when the access problem occurs in view of the above; Perhaps, through location information of terminals or the signal strength information classification of indicating terminal in advance, know the classification of terminal when the access problem occurs in view of the above.
Said first kind terminal access unit is further used for: the information with second Terminal Type in the access procedure of first kind terminal is transmitted to control station or network; It seems that from the Access Layer of control station all information is all from first kind terminal; If in the access procedure of first kind terminal, the information of second Terminal Type is not transmitted to control station, then first kind terminal access unit has the function of complete access control.
The said second Terminal Type access unit is further used for: the resource that will be used for the access of second Terminal Type sends to first kind terminal; Do not send to first kind terminal if will not be used for the resource of second Terminal Type access, the said resource that is used to insert is dispatched by the second Terminal Type access unit voluntarily.Different first kind terminals access unit uses, and the said resource that is used to insert second Terminal Type is identical, or different.
Visible in sum; No matter be method or system, the hierarchical network cut-in method of the wireless communication system that network access technique of the present invention can be through being applied to Internet of Things is distinguished the terminal; And then to accomplishing the terminal realization layer-specific access of distinguishing; Thereby can effectively reduce the collision of a plurality of terminals when initiating network insertion simultaneously, guarantee cut-in quality, and can obviously improve user satisfaction.
Description of drawings
Fig. 1 is the Internet of things system structural representation;
Fig. 2 is the Internet of Things schematic network structure;
Fig. 3 is a network insertion general flow chart of the present invention;
Fig. 4 is network configuration and a resource distribution principle schematic involved in the present invention;
Fig. 5 is the network insertion flow chart of the embodiment of the invention one;
Fig. 6 is the network insertion flow chart of the embodiment of the invention two;
Fig. 7 is the network insertion flow chart of the embodiment of the invention three;
Fig. 8 is the network insertion flow chart of the embodiment of the invention four;
Fig. 9 is the network insertion flow chart of the embodiment of the invention five;
Figure 10 is the network insertion flow chart of the embodiment of the invention six;
Figure 11 is the network access system figure of the embodiment of the invention.
Embodiment
Consider direct communication mutually between the internet-of-things terminal, therefore can use operation thinking as shown in Figure 3:
Access control station, first kind terminal;
Second Terminal Type inserts first kind terminal.
Accordingly, have following point to be resolved:
The terminal of problem 1, discovery enormous quantity is the method for access network simultaneously;
The differentiating method of problem 2, first kind terminal and second Terminal Type.
The solution of problem 1 is:
Control station or network find to have no the terminal to insert successfully (ranging code that does not for example successfully receive any terminal in the scheduled time) in the scheduled time; The terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold (for example on all access-in resources, all receive ranging code, but the ranging code that successfully solves being lower than predetermined threshold).Under above-mentioned situation, can confirm to find the terminal while access network of enormous quantity.
The setting of the above-mentioned scheduled time is very important, the oversize meaning that adopts layer-specific access that then lost, the too short emergency (can trigger layer-specific access when promptly need not layer-specific access) that causes falseness easily.
The solution of problem 2 is:
Under the normal condition, all terminals all are the same, do not have the difference of the first kind and second type, and normal network insertion flow process is carried out at all terminals.In addition, the terminal does not have the difference of the first kind and second type during fabrication yet, and any said terminal should be as the first kind or the second Terminal Type access network, and the role when difference only is that the access problem occurs is different.
Particularly, in case the access problem occurs, network or control station send layer-specific access information through the air interface broadcasting of control station, and said layer-specific access information can be special identifier, is made up of one or more bit; Can be included in the system broadcast message, also can be included in other broadcast messages (for example frame head or superframe head) and send.
The classification of self can be confirmed in the terminal that receives layer-specific access information, and begins to carry out corresponding network insertion flow process.Said classification can just have been confirmed good when the network planning and be stored in the memory body at terminal, just know from the classification (first kind terminal or second Terminal Type) when the access problem occurs when promptly start working in the terminal; Perhaps, the classification at terminal also can be specified by control station.
If by the classification of control station designated terminal, control station or network usually can both be through the classifications of location information of terminals or signal strength information indicating terminal so.
Need to prove that when using aforesaid operations thinking execution concrete operations, concrete operating process can show as the following content with level and logical order:
1.1 the first kind terminal that receives layer-specific access information is according to normal network insertion flow process access control station.
1.2 said first kind terminal receives the resource information that is used to insert second Terminal Type that control station distributes.
1.3 second Terminal Type inserts first kind terminal according to normal network insertion flow process on said resource.Since control station in air interface identifier layer-specific access information, therefore second Terminal Type can not attempted the access control station according to the classification of self.
1.3.1 further, the said resource information that is used to insert second Terminal Type is sent to second Terminal Type by first kind terminal through eating dishes without rice or wine.
1.3.2 further, use at different first kind terminals, and the said resource that is used to insert second Terminal Type can be identical, also can be different.If said resource is all identical under different first kind terminals, can practice thrift ample resources, because the coverage at first kind terminal can be used the limited transmitting power control of first kind terminal.
1.4 first kind terminal is transmitted to control station with the information of second Terminal Type.
1.4.1 if first kind terminal has the function of complete access control, so can be second Terminal Type is accomplished network insertion through first kind terminal after the information of said second Terminal Type be forwarded to control station.
1.4.1.1 control station can be known the existence of second Terminal Type, this moment, the said information of second Terminal Type included, but are not limited to the identification information, ability information, authentication information, log-on message etc. of second Terminal Type.
1.4.2 if first kind terminal does not have the function of complete access control, so can be when second Terminal Type inserts through the first kind terminal network information of said second Terminal Type be forwarded to control station.At this moment, the said information of second Terminal Type includes, but are not limited to required signaling information of identification information, ranging information, ability information, authentication information, log-on message, the network insertion of second Terminal Type etc.
1.5 can be not in access procedure yet the information of second Terminal Type be transmitted to control station in first kind terminal.This moment, first kind terminal had the function of complete access control.
1.5.1 the information of second Terminal Type that first kind terminal only will be inserted is transmitted to control station or network.It seems that from the Access Layer of control station all information is all from first kind terminal.The benefit of doing like this is further to reduce the expense between first kind terminal and the control station.
Below in conjunction with embodiment the present invention is made further detailed description.
In all embodiment, have common background following:
Control station or network can find that the access problem occurs.Concrete, control station or network find to have no the terminal to insert successfully (ranging code that does not for example successfully receive any terminal in the scheduled time) in the scheduled time; The terminal quantity that perhaps success inserts in the scheduled time is lower than predetermined value (for example on all access-in resources, all receive ranging code, but the ranging code that successfully solves being lower than predetermined value), just can think the situation that great amount of terminals can't access network that occurs.
The classification of self can be confirmed in the terminal.Under the normal condition, all terminals all are the same, do not have the difference of the first kind and second type, and normal network insertion flow process is carried out at all terminals.In addition, the terminal does not have the difference of the first kind and second type during fabrication yet, and any said terminal should be as the first kind or the second Terminal Type access network, and the role when difference only is that the access problem occurs is different.
In case the access problem occurs, network or control station send layer-specific access information through the air interface broadcasting of control station, and said layer-specific access information can be special identifier, is made up of one or more bit; Can be included in the system broadcast message, also can be included in other broadcast messages (for example frame head) and send.
The classification of self can be confirmed in the terminal that receives layer-specific access information, and begins to carry out corresponding network insertion flow process.The classification at said terminal can just have been confirmed good when the network planning and be fixed in the memory body at terminal, just knows the classification of self when the access problem occurs certainly when promptly start working in the terminal; Perhaps, also can be by the classification of control station designated terminal.
If by the classification of control station designated terminal, control station or network usually can both be through the classifications of location information of terminals or signal strength information indicating terminal so.
Embodiment one, and is as shown in Figure 5.
Network or control station send layer-specific access information through the air interface broadcasting of control station.
The first kind terminal that receives layer-specific access information is according to normal network insertion flow process access control station.
Said first kind terminal receives the resource information that is used to insert second Terminal Type that control station distributes.
Second Terminal Type inserts first kind terminal according to normal network insertion flow process on said resource.Since control station in air interface identifier layer-specific access information, second Terminal Type can not attempted the access control station according to the classification of self.
Further, the said resource information that is used to insert second Terminal Type sends to second Terminal Type by first kind terminal through eating dishes without rice or wine.Said resource information can be carried in the broadcast, also can be carried in the broadcast message (for example frame head) to send.
Further, the said resource that is used to insert second Terminal Type used of different first kind terminal can be identical.If said resource is all identical under different first kind terminals, can practice thrift ample resources, because the coverage at first kind terminal can be used the limited transmitting power control of first kind terminal.Certainly, said resource also can be different.
First kind terminal is transmitted to control station with the information of second Terminal Type.
If first kind terminal has the function of complete access control, promptly the terminal can be by the help of control station, the independent needed signalling interactive process of the second Terminal Type network insertion of accomplishing; Then can be second Terminal Type is accomplished network insertion through first kind terminal after the information of said second Terminal Type be forwarded to control station.This moment, control station can know that the existence of second Terminal Type, the said information of second Terminal Type include, but are not limited to the identification information of second Terminal Type, ability information, authentication information, log-on message etc.
If first kind terminal does not have the function of complete access control, so can be when second Terminal Type inserts through the first kind terminal network information of said second Terminal Type be forwarded to control station.At this moment, said information includes, but are not limited to required signaling information of identification information, ranging information, ability information, authentication information, log-on message, the network insertion of second Terminal Type etc.Concrete operations can for, relay station is served as in first kind terminal between second Terminal Type and control station, with the signaling between relaying second Terminal Type and the control station.
Embodiment two, and is as shown in Figure 6.The difference of embodiment two and embodiment one has been to remove the process that resource that control station inserts second Terminal Type sends to first kind terminal, and the said resource that is used to insert can be dispatched by first kind terminal voluntarily.
Network or control station send layer-specific access information through the air interface broadcasting of control station.
The first kind terminal that receives layer-specific access information is according to normal network insertion flow process access control station.
Second Terminal Type inserts first kind terminal according to normal network insertion flow process.Since control station in air interface identifier layer-specific access information, therefore second Terminal Type can not attempted the access control station according to the classification of self.
Further, the said resource information that is used to insert second Terminal Type sends to second Terminal Type by first kind terminal through eating dishes without rice or wine; Can be included in the broadcast, also can be included in the broadcast message (for example frame head) and send.
Further, the said resource that is used to insert second Terminal Type used of different first kind terminal is dispatched by first kind terminal voluntarily.The method of said scheduling can be just to confirm when making the terminal, also can be confirmed by first kind terminal temporarily.Preferred version is just to have confirmed that concrete resource regulating method, such second Terminal Type just can directly scan related resource and be used to insert first kind terminal when making the terminal.
The said resource that is used to insert can be identical.If said resource is all identical under different first kind terminals, can practice thrift ample resources, because the coverage at first kind terminal can be used the limited transmitting power control of first kind terminal.Certainly, said resource also can be different.
First kind terminal is transmitted to control station with the information of second Terminal Type.
If first kind terminal has the function of complete access control, promptly the terminal can be by the help of control station, the independent needed signalling interactive process of the second Terminal Type network insertion of accomplishing; Then can be second Terminal Type is accomplished network insertion through first kind terminal after the information of said second Terminal Type be forwarded to control station.This moment, control station can know that the existence of second Terminal Type, the said information of second Terminal Type include, but are not limited to the identification information of second Terminal Type, ability information, authentication information, log-on message etc.
If first kind terminal does not have the function of complete access control, so can be when second Terminal Type inserts through the first kind terminal network information of said second Terminal Type be forwarded to control station.At this moment, the said information of second Terminal Type includes, but are not limited to required signaling information of identification information, ranging information, ability information, authentication information, log-on message, the network insertion of second Terminal Type etc.Concrete operations can for, relay station is served as in first kind terminal between second Terminal Type and control station, with the signaling between relaying second Terminal Type and the control station.
Embodiment three and embodiment four have removed last step among embodiment one and the embodiment two respectively, can be respectively referring to Fig. 7, Fig. 8.In embodiment three and embodiment four:
First kind terminal can be not in access procedure be transmitted to control station with the information of second Terminal Type yet.This moment, first kind terminal had the function of complete access control.
The information of second Terminal Type that first kind terminal can only will be inserted is transmitted to control station or network.It seems that from the Access Layer of control station all information is all from first kind terminal.The benefit of doing like this is further to reduce the expense between first kind terminal and the control station.
The difference of embodiment five and embodiment one is that second Terminal Type has just inserted first kind terminal before at access control station, first kind terminal.At this moment, first kind terminal has the ability of independent scheduling interface-free resources.
The difference of embodiment six and embodiment one is that second Terminal Type has inserted first kind terminal in access control station, first kind terminal.Concrete, second Terminal Type adopts time-multiplexed mode to insert first kind terminal in the unit at the same time at access control station, first kind terminal (for example same frame).
In order to guarantee that aforesaid operations thinking and embodiment can realize smoothly, can carry out setting shown in figure 11.Referring to Figure 11, Figure 11 is the network access system figure of the embodiment of the invention, and this system comprises classification decision package and all coupled first kind terminal access unit, the second Terminal Type access unit; Certainly, when needed, also can there be connection between first kind terminal access unit, the second Terminal Type access unit, to realize communication each other.Can be provided with classification decision package, first kind terminal access unit and the second Terminal Type access unit in each terminal, being this terminal service specially by above-mentioned three unit in each terminal; Certainly, also can just with the independent mode that is provided with a classification decision package, first kind terminal access unit and the second Terminal Type access unit be set, unified by these three unit is the terminal service that all existence accesses need.
When practical application; The classification at terminal is confirmed in the decision-making that the classification decision package is used for distinguishing when the access problem occurring terminal class; And determined classification notified to the pairing first kind of this classification terminal access unit, the second Terminal Type access unit (as: the classification decision package confirms that certain classification that will carry out the terminal of network insertion is first kind terminal, and then gives first kind terminal access unit with this advisory).
First kind terminal access unit can be controlled access control station, first kind terminal; The second Terminal Type access unit then can be controlled second Terminal Type and insert first kind terminal.
And particularly, said access operation is carried out when discovery great amount of terminals while access network.Said classification decision package finds that great amount of terminals simultaneously during access network, can find to have no in the scheduled time terminal to insert successfully, when the terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold, confirms discovery great amount of terminals while access network.
When said classification decision package is divided said first kind terminal, second Terminal Type, can receive layer-specific access information; And, use the classification that following method is confirmed the terminal according to the layer-specific access information that receives:
The classification at said terminal has just been confirmed good when the network planning and has been fixed in the memory body at terminal, known the classification of terminal when the access problem occurs in view of the above; Perhaps, through location information of terminals or the signal strength information classification of indicating terminal in advance, know the classification of terminal when the access problem occurs in view of the above.
In addition, said first kind terminal access unit further can be in the access procedure of first kind terminal be transmitted to control station or network with the information of second Terminal Type; It seems that from the Access Layer of control station all information is all from first kind terminal; And if in the access procedure of first kind terminal, the information of second Terminal Type is not transmitted to control station, then first kind terminal access unit has the function of complete access control.
Have, the said second Terminal Type access unit further can send to first kind terminal with the resource that is used for the access of second Terminal Type again; Do not send to first kind terminal if will not be used for the resource of second Terminal Type access, the said resource that is used to insert is dispatched by the second Terminal Type access unit voluntarily.
And different first kind terminals access unit uses, and the said resource that is used to insert second Terminal Type is identical, or different.
Visible in sum; No matter be method or system, the hierarchical network cut-in method of the wireless communication system that network access technique of the present invention can be through being applied to Internet of Things is distinguished the terminal; And then to accomplishing the terminal realization layer-specific access of distinguishing; Thereby can effectively reduce the collision of a plurality of terminals when initiating network insertion simultaneously, guarantee cut-in quality, and can obviously improve user satisfaction.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a method for network access is characterized in that, this method comprises:
Distinguish the decision-making of terminal class when the access problem occurring, the terminal is divided into first kind terminal, second Terminal Type; Access control station, first kind terminal, second Terminal Type inserts first kind terminal.
2. method according to claim 1 is characterized in that, this method is carried out when discovery great amount of terminals while access network;
The said discovery great amount of terminals method of access network simultaneously is:
Control station or network find to have no the terminal to insert successfully in the scheduled time, when the terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold, confirm to find great amount of terminals access network simultaneously.
3. method according to claim 1 is characterized in that, the method for dividing said first kind terminal, second Terminal Type is:
Network or control station send layer-specific access information;
The following method of terminal applies that receives layer-specific access information is confirmed the classification of self:
Said classification just confirms when the network planning and is stored in the memory body at terminal that the terminal is known from the classification when the access problem occurs in view of the above; Perhaps,
Control station or network are through location information of terminals or the signal strength information classification of indicating terminal in advance, and the terminal is known from the classification when the access problem occurs in view of the above.
4. according to each described method of claim 1 to 3, it is characterized in that this method further comprises:
First kind terminal is transmitted to control station or network with the information of second Terminal Type in access procedure; It seems that from the Access Layer of control station all information is all from first kind terminal;
If first kind terminal is not transmitted to control station with the information of second Terminal Type in access procedure, then first kind terminal has the function of complete access control.
5. method according to claim 4 is characterized in that, this method further comprises:
The resource that control station will be used for the access of second Terminal Type sends to first kind terminal;
Do not send to first kind terminal if control station will not be used for the resource of second Terminal Type access, the said resource that is used to insert is dispatched by first kind terminal voluntarily.
6. method according to claim 5 is characterized in that,
Use at different first kind terminal, and the said resource that is used to insert second Terminal Type is identical, or different.
7. according to each described method of claim 1 to 3, it is characterized in that, access control station, first kind terminal, and do not have sequencing between second Terminal Type access first kind terminal, that is:
Second Terminal Type inserts first kind terminal behind the access control station, first kind terminal; Perhaps,
Preceding second Terminal Type in access control station, first kind terminal inserts first kind terminal; Perhaps,
Second Terminal Type inserts the first kind terminal during access control station, first kind terminal.
8. a network access system is characterized in that, this system comprises classification decision package and all coupled first kind terminal access unit, the second Terminal Type access unit; Wherein,
Said classification decision package, the classification at terminal is confirmed in the decision-making that is used for distinguishing when the access problem occurring terminal class, and determined classification is notified to the pairing first kind of this classification terminal access unit, the second Terminal Type access unit;
Said first kind terminal access unit is used to control access control station, first kind terminal;
The said second Terminal Type access unit is used to control second Terminal Type and inserts first kind terminal.
9. system according to claim 8 is characterized in that, said access operation is carried out when discovery great amount of terminals while access network;
Said classification decision package finds that great amount of terminals simultaneously during access network, is used for:
Find to have no the terminal to insert successfully in the scheduled time, when the terminal that perhaps success inserts in the scheduled time is lower than predetermined threshold, confirm to find great amount of terminals access network simultaneously.
10. system according to claim 8 is characterized in that, when said classification decision package is divided said first kind terminal, second Terminal Type, is used for:
Receive layer-specific access information;
According to the layer-specific access information that receives, use the classification that following method is confirmed the terminal:
The classification at said terminal has just been confirmed good when the network planning and has been fixed in the memory body at terminal, known the classification of terminal when the access problem occurs in view of the above; Perhaps,
Through location information of terminals or the signal strength information classification of indicating terminal in advance, know the classification of terminal when the access problem occurs in view of the above.
11. to 10 each described systems, it is characterized in that according to Claim 8 said first kind terminal access unit is further used for:
Information with second Terminal Type in the access procedure of first kind terminal is transmitted to control station or network; It seems that from the Access Layer of control station all information is all from first kind terminal;
If in the access procedure of first kind terminal, the information of second Terminal Type is not transmitted to control station, then first kind terminal access unit has the function of complete access control.
12. system according to claim 11 is characterized in that, the said second Terminal Type access unit is further used for:
The resource that will be used for the access of second Terminal Type sends to first kind terminal;
Do not send to first kind terminal if will not be used for the resource of second Terminal Type access, the said resource that is used to insert is dispatched by the second Terminal Type access unit voluntarily.
13. system according to claim 12 is characterized in that,
Different first kind terminals access unit uses, and the said resource that is used to insert second Terminal Type is identical, or different.
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