CN102137432A - Method, device and system for terminal to access network - Google Patents
Method, device and system for terminal to access network Download PDFInfo
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- CN102137432A CN102137432A CN2010102755224A CN201010275522A CN102137432A CN 102137432 A CN102137432 A CN 102137432A CN 2010102755224 A CN2010102755224 A CN 2010102755224A CN 201010275522 A CN201010275522 A CN 201010275522A CN 102137432 A CN102137432 A CN 102137432A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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- H—ELECTRICITY
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Abstract
The invention discloses a method, a device and a system for a terminal to access a network, and relates to the field of communication for solving the problems of common control channel (CCCH) congestion caused by simultaneous access of a large number of terminals to the network, and higher delay when the terminal accesses the network. The method comprises the following steps of: configuring an extended CCCH for a cell; and transmitting a first system message to the terminal in the cell, wherein the first system message comprises information indicating the presence of the extended CCCH in the cell and configuration information of the extended CCCH; and the first system message is used for indicating that the terminal accesses the network via the extended CCCH. The method can be applicable to a wireless communication network, particularly a scene that a large number of machine to machine (M2M) terminals access the network simultaneously.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of methods, devices and systems of accessing terminal to network.
Background technology
Under wireless network architecture, the terminal in the sub-district is by Common Control Channel (CommonControl Channel, CCCH) access network.At present, the CCCH quantity of each cell configuration is fixed, and a sub-district can dispose 4 CCCH at most, and described 4 CCCH lay respectively at 0,2,4,6 time slots of C0 carrier wave.
Along with the continuous development of network technology, terminal quantity increases gradually, and particularly (Machine To Machine, M2M) terminal quantity increases very rapid machine to machine.In the sub-district terminal quantity of identical moment request access network more for a long time because the CCCH limited amount may cause CCCH congested, thereby make that the delay of accessing terminal to network is higher, even normal access network.
Summary of the invention
Embodiments of the invention provide a kind of methods, devices and systems of accessing terminal to network, can reduce the delay of accessing terminal to network.
On the one hand, provide a kind of method of accessing terminal to network, having comprised: be cell configuration expansion Common Control Channel; Terminal in described sub-district sends first system message, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel, and this first system message is used to indicate described terminal by described expansion Common Control Channel access network.
On the other hand, a kind of method of accessing terminal to network is provided, comprise: receive first system message that network side sends, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel; There is the information of expanding Common Control Channel according to described indicating cell, determines to exist in the sub-district expansion Common Control Channel; According to the configuration information of described expansion Common Control Channel, by described expansion Common Control Channel access network.
On the one hand, provide a kind of network equipment again, having comprised:
Configuration module is used to cell configuration expansion Common Control Channel;
Sending module, be used for sending first system message to the terminal of described sub-district, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel, and described first system message is used to indicate described terminal by described Common Control Channel access network.
On the one hand, provide a kind of terminal again, having comprised:
Receiver module is used to receive first system message that network side sends, and described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel;
Determination module is used for having the information of expanding Common Control Channel according to described indicating cell, determines to exist in the sub-district expansion Common Control Channel;
Access module is used for the configuration information according to described expansion Common Control Channel, by described expansion Common Control Channel access network.
On the one hand, provide a kind of communication system again, comprised the above-described terminal and the network equipment.
The methods, devices and systems of the accessing terminal to network that the embodiment of the invention provides, can expand Common Control Channel for cell configuration, terminal in the sub-district can be by described expansion Common Control Channel access network, solved the Common Control Channel limited amount of sub-district in the prior art, when the terminal quantity of synchronization request access network is too much, cause Common Control Channel congested, the delay of terminal by the Common Control Channel access network is higher, even the normal problem of access network.The technical scheme terminal that the embodiment of the invention provides can have been alleviated the cut-in pressure of Common Control Channel by expansion Common Control Channel access network, and the network insertion that has reduced terminal postpones, and has ensured the normal access of terminal.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The method flow diagram of the accessing terminal to network that Fig. 1 provides for the embodiment of the invention;
The method flow diagram of the accessing terminal to network that Fig. 2 provides for another embodiment of the present invention;
The method sequential chart of the accessing terminal to network that Fig. 3 provides for further embodiment of this invention;
Fig. 4 is the flow chart of step 301 in the method for accessing terminal to network shown in Figure 3;
Fig. 5 is the flow chart of step 304 in the method for accessing terminal to network shown in Figure 3;
The structural representation one of the base station controller that Fig. 6 provides for the embodiment of the invention;
Fig. 7 is the structural representation of configuration module in the base station controller shown in Figure 6;
The structural representation two of the base station controller that Fig. 8 provides for the embodiment of the invention;
The terminal structure schematic diagram one that Fig. 9 provides for the embodiment of the invention;
The terminal structure schematic diagram two that Figure 10 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Cause CCCH congested in order to solve great amount of terminals while access network, accessing terminal to network postpones problem of higher, and the embodiment of the invention provides a kind of methods, devices and systems of accessing terminal to network.
As shown in Figure 1, the method for the accessing terminal to network that the embodiment of the invention provides comprises:
The method of the accessing terminal to network that the embodiment of the invention provides, can expand Common Control Channel for cell configuration, make that the terminal in the sub-district can be by expansion Common Control Channel access network, thereby reduced the access delay of great amount of terminals while access network in the sub-district, improve the real-time of accessing terminal to network, ensured the normal access of terminal.
As shown in Figure 2, another embodiment of the present invention also provides a kind of method of accessing terminal to network, comprising:
There is the information of expanding Common Control Channel in step 202 according to indicating cell, determines to exist in the sub-district expansion Common Control Channel;
The method of the accessing terminal to network that the embodiment of the invention provides, because expansion Common Control Channel that network side has been cell configuration, terminal can be by described expansion Common Control Channel access network, reduced the access delay of great amount of terminals while access network in the sub-district, improve the real-time of accessing terminal to network, ensured the normal access of terminal.
In order to make those skilled in the art can more be expressly understood the technical scheme that the embodiment of the invention provides, below by specific embodiment, the method for the accessing terminal to network that the embodiment of the invention is provided is elaborated.
As shown in Figure 3, the method for the accessing terminal to network that further embodiment of this invention provides comprises:
Step 301, base station controller are cell configuration expansion Common Control Channel.
In the present embodiment, base station controller can trigger the operation of expanding Common Control Channel for cell configuration by dual mode.
Wherein, a kind of mode is that base station controller judges whether the CCCH in the sub-district is congested, if judged result is that CCCH is congested, is cell configuration expansion Common Control Channel.
In the present embodiment, can set in advance congested timer on base station controller, the timing time of congested timer can be set according to the real system needs, for example can be set to 5 minutes.In the timing time of congested timer, CCCH in the real-time detected cells of base station controller, if when the timing time of congested timer arrives, the information content that can't resolve that base station controller receives by CCCH is greater than the threshold value that sets in advance, and base station controller judges that the CCCH in the sub-district is congested; Otherwise base station controller judges that the CCCH in the sub-district is normal.Obtained when base station controller after the testing result of CCCH congestion situation, the timing time zero clearing of congested timer, and pick up counting again.
Another kind of mode is, sets in advance a timer on base station controller, if timer arrives the expansion Common Control Channel setup time that sets in advance, base station controller is a cell configuration expansion Common Control Channel.
In the present embodiment, the expansion Common Control Channel can be artificial regulation setup time, for example, in the intelligent meter data recording business, machine to machine (Machine To Machine, M2M) (being the time of M2M accessing terminal to network) fixes the time of terminal to report ammeter number, as 2:00 AM every day, expansion Common Control Channel setup time can be set according to the time of M2M terminal to report ammeter number, as be provided with the expansion Common Control Channel be setup time every day 1:00 AM 50 grade;
The expansion Common Control Channel also can be to determine by the statistics to the CCCH congestion situation setup time, for example: as shown in table 1, base station controller carries out record to the congestion situation of CCCH every day, and the congestion situation of CCCH is added up according to the measurement period that sets in advance (as 10 days), obtain the CCCH Congestion Level SPCC, CCCH Congestion Level SPCC and the congestion threshold (as 50%) that sets in advance are compared, determine expansion Common Control Channel setup time according to comparative result, as shown in table 1, expansion Common Control Channel setup time is 3 and 24 points.
Table 1:
By the definite expansion of the mode Common Control Channel setup time that the CCCH congestion situation is added up, expansion Common Control Channel setup time can be set flexibly, and make and expand the more accurate of Common Control Channel setting setup time, be fit to the variation demand of Network.
More than two kinds of triggering base station controllers be that the mode of cell configuration expansion Common Control Channel is only for for example, in the use of reality, can also trigger base station controller by other modes is cell configuration expansion Common Control Channel, every kind of situation is not given an example one by one herein.
Further, as shown in Figure 4, in the present embodiment, step 301 can comprise:
Present embodiment can be determined idle channel according to the business characteristic of terminal, for example: the terminal in the sub-district can be divided into two classes, one class is the M2M terminal, another kind of is that other-end except that the M2M terminal (also claims ordinary terminal, as mobile phone or data card etc.), the business of M2M terminal is generally carried out in morning, and the situation that ordinary terminal carries out business (as speech business or data service etc.) in morning is less, business characteristic according to M2M terminal and ordinary terminal, the idle channel that can determine morning is Traffic Channel (Traffic Channel, TCH) and/or packet data traffic channel (Packet Data TrafficChannel, PDTCH);
Present embodiment also can be determined the idle channel that the sub-district is current by the method that base station controller is measured statistics to the channel status of each channel in the sub-district, certainly, in the use of reality, can also determine the idle channel that the sub-district is current, every kind of situation not given unnecessary details one by one herein by other modes.
In the present embodiment, the base station controller idle channel that step 3011 can be obtained all is converted to the expansion Common Control Channel; Too much for fear of expansion Common Control Channel quantity, cause the idle problem of wasting of Internet resources, base station controller also can be converted to the expansion Common Control Channel with the part idle channel according to the network insertion demand of reality.For example: base station controller can be chosen fixed number arbitrarily according to the network insertion demand of reality from idle channel idle channel is converted to the expansion Common Control Channel as the target empty idle channel with this target empty idle channel.
Certainly, in the use of reality, base station controller can be a cell configuration expansion Common Control Channel by other modes also, and for example: base station controller can be expanded Common Control Channel etc. for the new configuration one or more in sub-district, every kind of situation is not given unnecessary details one by one herein.
Step 302, the base station controller terminal in the sub-district sends first system message, and this first system message comprises that there is the configuration information of the information and the expansion Common Control Channel of expansion Common Control Channel in indicating cell.
Wherein, the configuration information of expansion Common Control Channel can comprise: the wireless frequency point number at the quantity of expansion Common Control Channel and each expansion Common Control Channel place and timeslot number etc.; Perhaps, expand the quantity of Common Control Channel and the frequency hopping information description of expansion Common Control Channel etc.
At present, (the other-end beyond the M2M terminal of already present ordinary terminal in the sub-district, as mobile phone or data card etc.) can't discern the configuration information that the indicating cell that comprises in first system message exists the information and the expansion Common Control Channel of expansion Common Control Channel, resolve the shared messaging resource of first system message in order to save described ordinary terminal, alternatively, described first system message can also comprise system message processing indication, this system message is handled indication and is used to indicate M2M terminal processes first system message, other-end (ordinary terminal is as mobile phone or data card etc.) beyond the indication M2M terminal is skipped (nonrecognition) first system message.By described system message identification indication, ordinary terminal can directly be skipped described first system message, and do not need first system message is carried out deep layer parsing further, saved the messaging resource of ordinary terminal, improved the information processing rate of ordinary terminal.
Need to prove, when M2M terminal recognition first system message, other-end (ordinary terminal beyond the M2M terminal, as mobile phone or data card etc.) during nonrecognition first system message, in the step 301 base station controller be the expansion Common Control Channel of cell configuration be machine to the Common Control Channel of machine (M2M Common Control Channel, MCCCH).
In the present embodiment, first system message can be that the system message that has existed is expanded acquisition, also can be a system message that increases newly.
In order to make those skilled in the art clearer and more definite understanding be arranged to described first system message of the embodiment of the invention, so that further understand the technical scheme that the embodiment of the invention provides, the expansion Common Control Channel that with the base station controller is cell configuration below is MCCCH, first system message is that a system message that increases newly is an example, and the concrete form of first system message is described.
On the one hand, in the present embodiment, first system message can be the form of SystemInformation as shown in table 2 21.
Table 2:
Wherein, the form of L2 Pseudo Length value is as shown in table 3, the span of L2 Pseudo Length value is 5-21, when L2 Pseudo Length value=5, there is 1 MCCCH in the sub-district, when L2 Pseudo Length value=21, there are 9 MCCCH in the sub-district.
Table 3:
RR?management?Protocol?Discriminator＝0110。
Skip Indicator can get the arbitrary value that ordinary terminal can't be discerned, the Skip Indicator value that present ordinary terminal can be discerned is 0000, in the present embodiment, in order to make System Information 21 can allow the M2M terminal recognition, and allow ordinary terminal skip, Skip Indicator value can be got the arbitrary value beyond 0000, and for example: Skip Indicator value is 0001 etc.
It is newly-increased system messages that System Information Type 21 Message Type are used to indicate System InformationType 21, these System Information Type 21 Message Type can get arbitrarily and already present other value of system message phase region, for example: can value be 01000011.
MCCCH Channel Description is used to describe the configuration information of MCCCH, and the form of MCCCHChannel Description is as shown in table 4:
Table 4:
Wherein, content-length (Length of Conten) is used for the length of indication information element, and span is 2-18;
(Timeslot Number TN) is used to indicate the timeslot number at MCCCH place to timeslot number, and span is 0-7;
(Absolute Radio Frequency Channel Number ARFCN) is used to indicate the wireless frequency point number at MCCCH place to wireless frequency point number.
SI 21 Rest Octets are used to describe other information relevant with MCCCH, and the form of SI 21 Rest Octets is as shown in table 5:
Table 5:
Wherein, indication (Indicator) is used for indicating cell and whether has the MCCCH channel, and in the present embodiment, during Indicator=0, there is not the MCCCH channel in the expression sub-district, and during Indicator=1, there is MCCCH in the expression sub-district; First system message comprises that there is the information of expansion Common Control Channel in indicating cell in the present embodiment, so locate Indicator=1;
Certainly, in the use of reality, in the time of also can making Indicator=0, there is the MCCCH channel in the expression sub-district, and during Indicator=1, there is not MCCCH in the expression sub-district, does not give unnecessary details herein.
MCCCH quantity (BS_MCC_CHANS) is used for the quantity of indicating cell MCCCH, and according to MCCCH Channel Description as shown in table 4 as can be known, the span of BS_MCC_CHANS is 0-9;
Beep-page message is retransmitted largest interval multi-frame number (BS_MPA_MFRMS) and is used to indicate the 51 multi-frame numbers that paging sent to same M2M paging terminal group institute interval, and the span of BS_MPA_MFRMS is 2-9.
Above-described System Information 21 does not support frequency hopping (frequency point number and the timeslot number of MCCCH are fixed), a sub-district disposes 9 MCCCH at most, in order to further expand the MCCCH channel quantity of each sub-district, adapt to the more needs of multiple terminals while access network, strengthen the antijamming capability of channel, on the other hand, first system message can also be the form of System Information 22 as shown in table 6.
Table 6:
Wherein, the form of L2 Pseudo Length value is as shown in table 3, and the span of L2 Pseudo Length value is 9-12.
RR?management?Protocol?Discriminator＝0110。
Skip Indicator can get the arbitrary value that ordinary terminal can't be discerned, the Skip Indicator value that present ordinary terminal can be discerned is 0000, in the present embodiment, in order to make System Information 22 can allow the M2M terminal recognition, and allow ordinary terminal skip, Skip Indicator value can be got the arbitrary value beyond 0000, and for example: Skip Indicator value is 0001 etc.
It is newly-increased system messages that System Information Type 22 Message Type are used to indicate System InformationType 22, these System Information Type 22 Message Type can get arbitrarily and already present other value of system message phase region, for example: can value be 01000110.
MCCCH Channel Description is used to describe the configuration information of MCCCH, and the form of MCCCHChannel Description is as shown in table 7:
Table 7
Wherein, Channel Description IEI is the source identity (InformationElement Identifier) that channel is described cell, and its value is 01100100 (64);
Channel type (Channel Type) can be got arbitrarily and other value of existing channel value phase region, for example: the value of Channel Type can be set at 10000 etc.;
TN is the timeslot number of channel;
(Training Sequence Code TSC) can design new training sequence code for MCCCH to training sequence code;
(Mobile Allocation Index Offset MAIO), is used for the indicative of frequency hopping stand-by period to mobile allocation index offset;
(Hopping Sequence Number HSN), is used for indicating terminal and can where organizes and carry out frequency hopping on the frequency HSN.
MCCCH Mobile Allocation is used to indicate the frequency hop sequences at MCCCH place, and the form of MCCCHMobile Allocation is as shown in table 8:
Table 8:
Wherein, MAC is Mobile Allocation RF Channel, promptly moves and distributes the radio-frequency channel.If certain passage is used, then this position is set to 1.
SI 22 Rest Octets are used to describe other information relevant with MCCCH, and the form of SI 22 Rest Octets is as shown in table 9:
Table 9:
Wherein, indication (Indicator) is used for indicating cell and whether has the MCCCH channel, and in the present embodiment, during Indicator=0, there is not the MCCCH channel in the expression sub-district, and during Indicator=1, there is MCCCH in the expression sub-district; First system message comprises that there is the information of expansion Common Control Channel in indicating cell in the present embodiment, so locate Indicator=1;
Certainly, in the use of reality, in the time of also can making Indicator=0, there is the MCCCH channel in the expression sub-district, and during Indicator=1, there is not MCCCH in the expression sub-district, does not give unnecessary details herein.
MCCCH quantity (BS_MCC_CHANS) is used for the quantity of indicating cell MCCCH, and according to the definition in the table 8 as can be known, the span of BS_MCC_CHANS is 0-15;
BS_MPA_MFRMS be used to indicate with paging send to same M2M paging terminal group 51 multi-frame numbers at interval, the span of BS_MPA_MFRMS is 2-9;
It is which MCCCH channel of describing that MCCCH index (BS_MCC_CHANS_INDEX) is used to indicate current channel to describe, obviously, and BS_MCC_CHANS_INDEX≤BS_MCC_CHANS.
Above-described System Information 22 supports frequency hopping, a sub-district can dispose 15 MCCCH at most, further expanded the quantity of MCCCH, can satisfy the multiple terminals demand of access network simultaneously to a greater degree, ensure normally access network of terminal, reduce the delay of accessing terminal to network, guarantee the real-time of accessing terminal to network.Base station controller comes the configuration information of MCCCH in the broadcast cell by the SystemInformation 22 that repeatedly sends different content.For example, base station controller can be described the descriptor of 15 MCCCH in the sub-district by the System Information 22 of 15 different contents of broadcast transmission.
When the sub-district needs more MCCCH (greater than the situation of 15 MCCCH), can change by the numerical value that changes BS_MCC_CHANS.For example, BS_MCC_CHANS can be made as 32, at this moment, 32 MCCCH channels will be arranged in the sub-district.Base station controller can be by sending 32 different contents System Information 22 system messages (each message all corresponding the channel of a MCCCH describe) transmit the configuration information of each MCCCH to terminal.
Above-described two kind of first system message (System Information 21 and SystemInformation 22) is only for giving an example, in the use of reality, described first system message can also be other forms, every kind of situation is not given unnecessary details one by one herein.
Step 303, there is the information of expansion Common Control Channel in the indicating cell that terminal comprises according to first system message that receives, determines to exist in the sub-district expansion Common Control Channel.In the present embodiment, terminal can receive first system message from 0 time slot of C0 carrier wave.
Step 304, the configuration information of the expansion Common Control Channel that first system message that the terminal basis receives comprises is by described expansion Common Control Channel access network.
First system message that terminal receives can comprise system message processing indication, as the Skip Indicator in the table 2, the value that desirable ordinary terminal (other-end beyond the M2M terminal) can not be discerned, when the terminal basis is received first system message, if M2M terminal, this M2M terminal can be discerned described first system message, configuration information according to described expansion Common Control Channel, by described expansion Common Control Channel access network, if ordinary terminal, described first system message of this ordinary terminal nonrecognition is then by the CCCH access network.
Present embodiment is MCCCH with the expansion Common Control Channel, and the M2M terminal can be discerned first system message, and according to the MCCCH configuration information that first system message comprises, is example by the MCCCH access network, and step 304 is elaborated.
As shown in Figure 5, step 304 can comprise:
In the present embodiment, the M2M terminal is determined the MCCCH group at self place: MCCCH_GROUP (0..BS_MCC_CHANS-1)=((IMSI mod 1000) mod (BS_MCC_CHANS * N)) div N by following formula
Wherein, CCCH_GROUP is the MCCCH group at M2M terminal place, if cell configuration 8 MCCCH channels, 8 MCCCH groups then will be arranged, be respectively MCCCH_GROUP (0)-MCCCH (7);
IMSI is International Mobile Subscriber Identity, IMSI International Mobile Subscriber Identity;
MCCCH of N=goes up the quantity of paging block=(quantity of the paging block in 51 multi-frames on MCCCH) * BS_MPA_MFRMS.
Particularly, the M2M terminal system message that the reception network side sends on the corresponding MCCCH of the MCCCH group that step 3041 is determined, beep-page message etc., if the M2M terminal need be initiated network insertion, then (Random Access Channel RACH) goes up and initiates network insertion in the Random Access Channel of own place MCCCH correspondence.
Alternatively, leave unused for fear of the expansion Common Control Channel that is cell configuration, cause the problem of network resources waste, as shown in Figure 3, the method for the accessing terminal to network that the embodiment of the invention provides can also comprise:
Whether the expansion Common Control Channel that step 305, base station controller are judged as cell configuration is in idle condition.
In the present embodiment, base station controller can judge whether the expansion Common Control Channel is in idle condition by two kinds of methods.
Wherein, a kind of method is according to base station controller the testing result of expansion Common Control Channel to be judged whether the expansion Common Control Channel is in idle condition.
Present embodiment can set in advance the detection timer on base station controller, detect the timing time of timer and can set according to the real system needs, for example can be set to 10 minutes, perhaps 30 minutes etc.In the timing time that detects timer, whether base station controller detects the expansion Common Control Channel transfer of data, if the expansion Common Control Channel does not have transfer of data, base station controller determines that the expansion Common Control Channel is in idle condition; If the expansion Common Control Channel has transfer of data, base station controller determines that the expansion Common Control Channel is in busy state (state of activation), detects the timing time zero clearing of timer, and picks up counting again.
Another kind method is, sets in advance expansion Common Control Channel free time on base station controller, and when this expansion Common Control Channel free time arrived, base station controller acquiescence expansion Common Control Channel was an idle condition; Otherwise base station controller thinks that the expansion Common Control Channel is busy state (state of activation).
In the present embodiment, expansion Common Control Channel free time can be according to the business characteristic setting of terminal, for example: in the intelligent meter data recording business, the M2M terminal generally can be finished network insertion in 30 minutes, according to this business characteristic expansion Common Control Channel free time can be set is that base station controller is after the cell configuration expansion Common Control Channel 30 minutes or longer.
More than two kinds of base station controllers judge that method that whether the expansion Common Control Channel be in idle condition is only for for example, in the use of reality, base station controller can also judge that whether the expansion Common Control Channel is in idle condition, does not give an example to every kind of situation one by one herein by additive method.
Step 306, Common Control Channel is in idle condition if base station controller is judged expansion, reclaims the expansion Common Control Channel.
In the present embodiment, base station controller reclaim the expansion Common Control Channel method can for: base station controller will expand Common Control Channel and change back the idle channel definite as step 3011 among Fig. 4.
Particularly, generate if the expansion Common Control Channel is TCH and/or PDTCH conversion, in step 306, base station controller will be expanded Common Control Channel and change back TCH and/or PDTCH, thereby reach the purpose that reclaims the expansion Common Control Channel.
Step 307, base station controller sends second system message to terminal, and second system message comprises that there is not the information of expanding Common Control Channel in indicating cell.
Alternatively, second system message can also comprise system message identification indication, this system message identification indication is used to indicate M2M terminal recognition second system message, and the other-end (ordinary terminal is as mobile phone or data card etc.) beyond the indication M2M terminal is skipped (nonrecognition) second system message.By described system message identification indication, ordinary terminal can directly be skipped described second system message, and do not need second system message is carried out deep layer parsing further, saved the messaging resource of ordinary terminal, improved the information processing rate of ordinary terminal.
In the present embodiment, second system message can be that the system message that has existed is expanded acquisition, also can be a system message that increases newly.
When second system message was the system message that increases newly, second system message can be the described System Information 21 of step 302, and at this moment, MCCCH Channel Description is empty; Indicator=0 among the SI 21Rest Octets, the BS_MCC_CHANS value is 0;
Second system message also can be the described System Information 22 of step 302, and at this moment, MCCCH Channel Description and MCCCH Mobile Allocation are empty; Indicator=0 among SI 22 RestOctets, the BS_MCC_CHANS value is 0.
Certainly, second system message can also be other forms of system message in the use of reality, every kind of situation is not given unnecessary details one by one herein.
Step 308, the indicating cell that terminal comprises according to second system message that receives do not exist the information of expanding Common Control Channel to stop by expansion Common Control Channel access network.
Determine when terminal after the expansion Common Control Channel group at self place, terminal receives system message and the beep-page message that network side sends on the expansion Common Control Channel of the expansion Common Control Channel group correspondence at self place, in step 308, terminal receives second system message that base station controller sends by the expansion Common Control Channel of the expansion Common Control Channel group correspondence at self place.
For example: the M2M terminal determines that the MCCCH corresponding by the MCCCH group receives second system message that base station controller sends after the MCCCH group at self place.
After the step 308, terminal is again from 0 time slot receiving system message of C0 carrier wave, when terminal needs access network, by the CCCH access network.
Need to prove, the terminal access method that present embodiment provides not only can be applied in global system for mobile communications (Global System for Mobile Communications, GSM) in, can also be applied in as 3G or Long Term Evolution (Long Term Evolution, LTE) etc. in the network, in the time of in being applied in other networks, network equipment is not limited only to base station controller, can also be other network entities, for example: in the LTE network, network equipment is evolution base station (eNodeB), does not give unnecessary details one by one herein.
The method of the accessing terminal to network that the embodiment of the invention provides, can expand Common Control Channel for cell configuration, terminal in the sub-district can be by described expansion Common Control Channel access network, solved the Common Control Channel limited amount of sub-district in the prior art, when the terminal quantity of synchronization request access network is too much, cause Common Control Channel congested, the delay of terminal by the Common Control Channel access network is higher, even the normal problem of access network.The technical scheme terminal that the embodiment of the invention provides can have been alleviated the cut-in pressure of Common Control Channel by expansion Common Control Channel access network, and the network insertion that has reduced terminal postpones, and has ensured the normal access of terminal.
As shown in Figure 6, the embodiment of the invention also provides a kind of network equipment, comprising:
Sending module 602, be used for sending first system message to the terminal of sub-district, this first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel, and this first system message is used to indicate described terminal by described Common Control Channel access network.
Further, as shown in Figure 7, configuration module 601 can comprise:
The first configuration submodule 6011 is used to obtain the current idle channel in sub-district, and described idle channel is converted to the expansion Common Control Channel; And/or,
The second configuration submodule 6012 is used for increasing the expansion Common Control Channel.
Further, as shown in Figure 8, the network equipment can also comprise:
Described sending module 602 also is used for sending second system message to terminal, and this second system message comprises that there is not the information of expanding Common Control Channel in indicating cell.
The network equipment that the embodiment of the invention provides can be specially different equipment according to the network environment difference of using, for example: under the GSM network architecture, the network equipment that the embodiment of the invention provides is specially base station controller, under the LTE network architecture, the network equipment that the embodiment of the invention provides is specially evolution base station, does not give unnecessary details one by one herein.
Need to prove, in the use of reality, more than a plurality of modules of dividing as the network equipment that Fig. 6-embodiment of the invention shown in Figure 8 provides, can not give unnecessary details by a module or a functional module realization that has similar functions with described a plurality of modules herein yet.
The method of the accessing terminal to network that the specific implementation method of the network equipment that the embodiment of the invention provides can provide referring to the embodiment of the invention is described, repeats no more herein.
The network equipment that the embodiment of the invention provides can be expanded Common Control Channel for cell configuration, and send to terminal by the configuration information that first system message will be expanded common control unit, make that the terminal in the sub-district can be by expansion Common Control Channel access network, thereby reduced the access delay of great amount of terminals while access network in the sub-district, improve the real-time of accessing terminal to network, ensured the normal access of terminal; Further, the network equipment that the embodiment of the invention provides can reclaim this expansion Common Control Channel when the expansion Common Control Channel is idle, thereby avoids causing owing to resources idle the problem of network resources waste.
As shown in Figure 9, the embodiment of the invention also provides a kind of terminal, comprising:
Receiver module 901 is used to receive first system message that network side sends, and this first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel;
Determination module 902 is used for having the information of expanding Common Control Channel according to indicating cell, determines to exist in the sub-district expansion Common Control Channel;
Access module 903 is used for the configuration information according to the expansion Common Control Channel, by described expansion Common Control Channel access network.
Further, as shown in figure 10, the terminal that the embodiment of the invention provides, receiver module 901 also is used to receive second system message that network side sends, and this second system message comprises that there is not the information of expanding Common Control Channel in indicating cell;
At this moment, the terminal that the embodiment of the invention provides can also comprise: processing module 904 is used for not existing the information of expanding Common Control Channel to stop by expansion Common Control Channel access network according to indicating cell.
Need to prove, in the use of reality, more than the terminal that provides as Fig. 9 and the embodiment of the invention shown in Figure 10 a plurality of modules of dividing, can not give unnecessary details by a module or a functional module realization that has similar functions with described a plurality of modules herein yet.
The method of the accessing terminal to network that the specific implementation method of the terminal that the embodiment of the invention provides can provide referring to the embodiment of the invention is described, repeats no more herein.
The terminal that the embodiment of the invention provides can reduce the access delay of great amount of terminals while access network in the sub-district by the expansion Common Control Channel access network of network side configuration, has improved the real-time of accessing terminal to network, has ensured the normal access of terminal.
The embodiment of the invention also provides a kind of communication system, comprise above as Fig. 9 and 10 described terminals, and as the described network equipment of Fig. 6-8.
The method of the accessing terminal to network that the specific implementation method of the communication system that the embodiment of the invention provides can provide referring to the embodiment of the invention is described, repeats no more herein.
The communication system that the embodiment of the invention provides, the network equipment can be expanded Common Control Channel for cell configuration, and send to terminal by the configuration information that first system message will be expanded common control unit, make that the terminal in the sub-district can be by expansion Common Control Channel access network, thereby reduced the access delay of great amount of terminals while access network in the sub-district, improve the real-time of accessing terminal to network, ensured the normal access of terminal; Further, the network equipment can will should the expansion Common Control Channel reclaim when the expansion Common Control Channel is idle, thereby avoids causing owing to resources idle the problem of network resources waste.
The methods, devices and systems of the accessing terminal to network that the embodiment of the invention provides can be applied in the cordless communication network, are particularly useful for a large amount of M2M terminals scene of access network simultaneously.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (16)
1. the method for an accessing terminal to network is characterized in that, comprising:
Be cell configuration expansion Common Control Channel;
Terminal in described sub-district sends first system message, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel, and described first system message is used to indicate described terminal by described expansion Common Control Channel access network.
2. method according to claim 1 is characterized in that,
If the Common Control Channel of described sub-district is congested, carry out the described cell configuration expansion Common Control Channel that is; Perhaps,
If timer arrives the expansion Common Control Channel setup time that sets in advance, carry out the described cell configuration expansion Common Control Channel that is.
3. method according to claim 1 and 2 is characterized in that, describedly comprises for cell configuration expansion Common Control Channel:
Obtain the current idle channel in sub-district, described idle channel is converted to the expansion Common Control Channel; And/or, increase the expansion Common Control Channel.
4. method according to claim 3 is characterized in that described idle channel comprises Traffic Channel and/or packet data traffic channel.
5. method according to claim 1 is characterized in that, described first system message also comprises system message processing indication, and described system message is handled indication and is used for indicating the machine of described terminal that machine terminal is handled described first system message.
6. method according to claim 1 or 5 is characterized in that the configuration information of described expansion Common Control Channel comprises:
The wireless frequency point number and the timeslot number at the quantity of described expansion Common Control Channel and each expansion Common Control Channel place; Perhaps,
The frequency hopping information description of the quantity of described expansion Common Control Channel and described expansion Common Control Channel.
7. method according to claim 1 is characterized in that, this method also comprises:
If described expansion Common Control Channel is in idle condition, reclaim described expansion Common Control Channel;
Send second system message to described terminal, described second system message comprises that there is not the information of expanding Common Control Channel in indicating cell.
8. the method for an accessing terminal to network is characterized in that, comprising:
Receive first system message that network side sends, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel;
There is the information of expanding Common Control Channel according to described indicating cell, determines to exist in the sub-district expansion Common Control Channel;
According to the configuration information of described expansion Common Control Channel, by described expansion Common Control Channel access network.
9. method according to claim 8 is characterized in that,
Described first system message also comprises system message processing indication, carries out described information according to described indicating cell existence expansion Common Control Channel according to described system message identification indication, determines to exist in the sub-district expansion Common Control Channel; And described configuration information according to described expansion Common Control Channel, by described expansion Common Control Channel access network.
10. according to Claim 8 or 9 described methods, it is characterized in that this method also comprises:
Receive second system message that network side sends, this second system message comprises that there is not the information of expanding Common Control Channel in indicating cell;
Do not exist the information of expanding Common Control Channel to stop according to described indicating cell by expansion Common Control Channel access network.
11. a network equipment is characterized in that, comprising:
Configuration module is used to cell configuration expansion Common Control Channel;
Sending module, be used for sending first system message to the terminal of described sub-district, described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel, and described first system message is used to indicate described terminal by described Common Control Channel access network.
12. the network equipment according to claim 11 is characterized in that, described configuration module comprises:
The first configuration submodule is used to obtain the current idle channel in sub-district, and described idle channel is converted to the expansion Common Control Channel; And/or,
The second configuration submodule is used for increasing the expansion Common Control Channel.
13., it is characterized in that this network equipment also comprises according to the claim 11 or the 12 described network equipments:
Recycling module is in idle condition if be used for described expansion Common Control Channel, reclaims described expansion Common Control Channel;
Described sending module is used for sending second system message to described terminal, and described second system message comprises that there is not the information of expanding Common Control Channel in indicating cell.
14. a terminal is characterized in that, comprising:
Receiver module is used to receive first system message that network side sends, and described first system message comprises that indicating cell exists the information of expansion Common Control Channel and the configuration information of described expansion Common Control Channel;
Determination module is used for having the information of expanding Common Control Channel according to described indicating cell, determines to exist in the sub-district expansion Common Control Channel;
Access module is used for the configuration information according to described expansion Common Control Channel, by described expansion Common Control Channel access network.
15. terminal according to claim 14 is characterized in that,
Described receiver module is used to receive second system message that network side sends, and this second system message comprises that there is not the information of expanding Common Control Channel in indicating cell;
At this moment, described terminal also comprises: processing module is used for not existing the information of expanding Common Control Channel to stop by expansion Common Control Channel access network according to described indicating cell.
16. a communication system is characterized in that, comprises as claim 14 and 15 described terminals and as each described network equipment of claim 11 to 13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102755224A CN102137432A (en) | 2010-09-08 | 2010-09-08 | Method, device and system for terminal to access network |
| PCT/CN2011/075165 WO2011144142A1 (en) | 2010-09-08 | 2011-06-02 | Method, device and system for terminal to access network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102755224A CN102137432A (en) | 2010-09-08 | 2010-09-08 | Method, device and system for terminal to access network |
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| CN102137432A true CN102137432A (en) | 2011-07-27 |
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Application publication date: 20110727 |