CN102781065B

CN102781065B - The method and apparatus that control terminal accesses, terminal access method and equipment

Info

Publication number: CN102781065B
Application number: CN201110124241.3A
Authority: CN
Inventors: 余勇军; 房明
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2011-05-13
Filing date: 2011-05-13
Publication date: 2016-01-27
Anticipated expiration: 2031-05-13
Also published as: WO2012155815A1; CN102781065A

Abstract

The present invention relates to communication technical field, disclose the method and apparatus of a kind of control terminal access, the method comprises: network side adds refusal indication information in downlink control message, described refusal indication information comprises: the value of refusal timer, initiates access with indicating terminal at random waiting in the first time period after described refusal timer expiry; Described downlink control message is handed down to described terminal by network side.The invention also discloses a kind of terminal access method and equipment.Utilize the present invention, effectively can access by control terminal, reduce access interference.

Description

The method and apparatus that control terminal accesses, terminal access method and equipment

Technical field

The present invention relates to communication technical field, be specifically related to method and apparatus and a kind of terminal access method and the equipment of the access of a kind of control terminal.

Background technology

M2M (MachinetoMachine, machine to machine) application be a kind of with machine terminal intelligent interaction be core, the application of networking and service.It is by embedding wireless communication module at machine intimate, with radio communication etc. for access means, make to carry out network communication when not needing artificial participation between one or more network element, thus provide comprehensive informatization resolve scheme for user, to meet the information system requirement of user to aspects such as monitoring, command scheduling, data acquisition and measurements, as application such as traffic control and management, factory's monitoring, remote meter readings.In 3GPP (3rdGenerationPartnershipProject, in third generation partner program) standard, M2M is also referred to as MTC (Machine-TypeCommunication, machine type communication).

In a wireless communication system, if terminal needs to set up with network to communicate, then need by RACH (RandomAccessChannel, Random Access Channel) send access request to network, and receive access response by AGCH (AccessGrantChannel, access responder link), and, terminal, after transmission access request message, can repeat in unresponsive situation to send above-mentioned access request message within a certain period of time.Because RACH and AGCH resource is all limited, in 1 second, only have at most 217 RACH resource and 38 AGCH resources.And due to M2M terminal quantity huge, at a time have great amount of terminals and initiate access request simultaneously, the congested of RACH and AGCH resource can be caused.And, if great amount of terminals first time send access request conflict failure, then at follow-up time because these terminals all can repeat to send access request, thus there is access interference in rear extended meeting constantly.

For reducing above-mentioned access interference, prior art provides a solution, the program finds CCCH (CommonControlChannel at network side, Common Control Channel) overload time, carry out by the descending public control message sent to terminal the access that implicit expression refusal has low priority terminal, in these message, specifically increase an implicit expression refusal Timer field.The terminal with low priority characteristic is as front in CHANNELREQUEST (channel request) or EGPRSPACKETCHANNELREQUEST (enhancing packet channel request) in transmission access request message, read the radio block on CCCH, the instruction of implicit expression refusal whether is included in message received by judgement, i.e. implicit expression refusal Timer field, if there is no this field, then send access request message, otherwise do not send access request message, transmission times counter is added 1, and start implicit expression refusal timer, this implicit expression refusal timer value by terminal according to the instruction of network side Stochastic choice within the scope of certain, as Stochastic choice integer value in 0 to 127 seconds, when terminal initiating random access procedure again after this implicit expression refusal timer expiry.

Due to the terminal that the implicit expression refusal timer defined in the message that above-mentioned network side sends to terminal is for all low priorities, and, refusal timer value by terminal according to the instruction of network side Stochastic choice within the scope of certain, randomization granularity is too large, so network side remain to a certain extent cannot the access of control terminal effectively, reduce access interference.

Summary of the invention

The method and apparatus that the embodiment of the present invention on the one hand provides a kind of control terminal access, cannot the access of control terminal effectively to solve network side in prior art, the problem of minimizing access interference.

The embodiment of the present invention provides a kind of terminal access method and equipment on the other hand, to reduce network congestion, reduces terminal access interference.

A kind of method that the embodiment of the present invention provides control terminal to access, comprising:

Network side adds refusal indication information in downlink control message, and described refusal indication information comprises: the value of refusal timer, initiates access with indicating terminal at random waiting in the first time period after described refusal timer expiry;

Described downlink control message is handed down to described terminal by network side.

The embodiment of the present invention also provides a kind of terminal access method, comprising:

Low priority terminal monitored all downlink common control channel corresponding with described terminal place paging group before or after sending access request message, received downlink control message;

If comprise refusal indication information in described downlink control message, described refusal indication information comprises: the value of refusal timer, then described low priority terminal starts described refusal timer;

Access is initiated at random in the first time period of described low priority terminal after described refusal timer expiry.

A kind of method that the embodiment of the present invention also provides control terminal to access, comprising:

Network side adds refusal indication information in downlink control message, described refusal indication information comprises: the timing range of refusal timer, be worth the value as refusal timer using indicating terminal Stochastic choice one in described timing range, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after described refusal timer expiry at random with radio frames before described refusal timer expiry;

All down control channels that low priority terminal monitoring is corresponding with described terminal place paging group, receive downlink control message;

If comprise refusal indication information in described downlink control message, described refusal indication information comprises: the timing range of refusal timer, then described low priority terminal Stochastic choice one in described timing range is worth the value as described refusal timer, and starts described refusal timer;

Described low priority terminal is that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after described refusal timer expiry at random with radio frames before described refusal timer expiry.

The equipment that the embodiment of the present invention also provides a kind of control terminal to access, comprising:

Indication information adding device, for adding refusal indication information in downlink control message, described refusal indication information comprises: the value of refusal timer, initiates access with indicating terminal at random waiting in the first time period after described refusal timer expiry;

Message sending unit, for being handed down to described terminal by described downlink control message.

The embodiment of the present invention also provides a kind of terminal, comprising:

Message reception units, for monitoring all downlink common control channel corresponding with described terminal place paging group, receives downlink control message;

Timer trigger element, during for comprising refusal indication information in described downlink control message, described refusal indication information comprises: the value of refusal timer, starts described refusal timer;

Access unit, for initiating access at random in the first time period after described refusal timer expiry.

Indication information adding device, for adding refusal indication information in downlink control message, described refusal indication information comprises: the timing range of refusal timer, be worth the value as refusal timer using indicating terminal Stochastic choice one in described timing range, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after described refusal timer expiry at random with radio frames before described refusal timer expiry;

Timer trigger element, during for comprising refusal indication information in described downlink control message, described refusal indication information comprises: the timing range of refusal timer, and in described timing range, Stochastic choice one value is as the value of described refusal timer, and starts described refusal timer;

Access unit, for being that granularity is initiated at random to access or is that granularity initiates access at random with radio frames in first time period after described refusal timer expiry with radio frames before described refusal timer expiry.

The method and apparatus of embodiment of the present invention control terminal access, network side adds corresponding indication information in downlink control message, after wait certain hour, initiate access at random to make the terminal of some low priorities or the terminal of some low priorities random initiation in the slot range of radio frames within the scope of certain hour is accessed, thus can network is congested maybe will occur congested time, the access of control terminal effectively, reduces access interference.

Correspondingly, embodiment of the present invention terminal access method and equipment, low priority terminal receives downlink control message by monitoring all downlink common control channel corresponding with described terminal place paging group, if comprise above-mentioned refusal indication information in the downlink control message received, then can initiate access according to this refusal indication information at random in the slot range waiting for the radio frames initiating at random again after certain hour to access or within the scope of certain hour, thus effectively reduce network congestion, reduce access interference.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of flow chart of the method for embodiment of the present invention control terminal access;

Fig. 2 is a kind of flow chart of embodiment of the present invention terminal access method;

Fig. 3 is a kind of structural representation of the equipment of embodiment of the present invention control terminal access;

Fig. 4 is a kind of structural representation of embodiment of the present invention terminal;

Fig. 5 is the another kind of flow chart of the method for embodiment of the present invention control terminal access;

Fig. 6 is the another kind of flow chart of embodiment of the present invention terminal access method.

Embodiment

In order to the scheme making those skilled in the art person understand the embodiment of the present invention better, below in conjunction with drawings and embodiments, the embodiment of the present invention is described in further detail.

After terminal sends access request to network side, if there is channel to distribute, network side can send assignment (IMMEDIATEASSIGNMENT) message (only comprising the assignation information of a terminal) immediately or expansion assignment (IMMEDIATEASSIGNMENTEXTENDED) message (simultaneously comprising the assignation information of two terminals) immediately by CCCH to terminal, is used for terminal distribution Dedicated Signaling Channel; If can distribute without channel, network side can assign refuse information (IMMEDIATEASSIGNMENTREJECT) by CCCH to terminal transmission immediately.In addition, for the terminal under idle condition or as called terminal, network side can send paging (PAGING) message to be carried out triggering terminal and carries out certain territory establishment of connection.

For this reason, the method and apparatus of embodiment of the present invention control terminal access, network side carries corresponding indication information in these downlink control message above-mentioned, so that network is congested maybe will occur congested time, the terminal of some low priorities is made to initiate access at random after wait certain hour, or make that the terminal of some low priorities is random within the scope of certain hour initiates access in the slot range of radio frames, thus the access of control terminal effectively, reduce access interference.Correspondingly, embodiment of the present invention terminal access method and equipment, low priority terminal is before or after transmission access request message, monitor all downlink common control channel corresponding with its place paging group, receive downlink control message, if comprise above-mentioned refusal indication information in the downlink control message received, then after wait certain hour, access can be initiated again at random or random initiation access in the slot range of radio frames within the scope of certain hour according to this refusal indication information, thus effectively reduce network congestion, reduce access interference.

As shown in Figure 1, be the flow chart of the method for embodiment of the present invention control terminal access, comprise the following steps:

Step 101, network side adds refusal indication information in downlink control message, and this refusal indication information comprises: the value of refusal timer, initiates access with indicating terminal at random waiting in the first time period after above-mentioned refusal timer expiry.

Particularly, congested opportunity is there is different according to network side, network side can add above-mentioned refusal indication information in above-mentioned any one or more downlink control message, the value of above-mentioned first time period can be the value that network side and end side are arranged, and the information that also can be added in above-mentioned downlink control message by network side is indicated.Such as:

(1) utilize channel type (ChannelType) field in assignment message immediately to represent above-mentioned refusal indication information, such as new being defined as follows carried out to ChannelType:

00000 low priority terminal wait after 10 seconds in first time period Stochastic accessing;

00001 low priority terminal wait after 15 seconds in first time period Stochastic accessing;

00010 low priority terminal wait after 20 seconds in first time period Stochastic accessing.

……

(2) residue field of the assignment immediately (IARestOctets) in assignment message immediately, assign refusal residue field of the assignment immediately (IARRestOctets) in refuse information or idle half field (SpareHalfOctet) immediately, the expansion expanded in assignment message immediately assigns residue field (IAXRestOctets) immediately, paging Class1 residue field (P1RestOctets) in beep-page message or paging type 2 remain field (P2RestOctets) or paging type 3 remains interpolation refusal indication information in field (P3RestOctets).

The field that such as increase by is new in these fields above-mentioned, is used for representing above-mentioned refusal indication information, and this refusal indication information comprises the parameter of the parameter being used to indicate the value refusing timer and the value being used to indicate first time period, specific as follows:

{

……

{0|1<Rejecttimervalue:bit(2)>}

{0|1<Accesstimescope:bit(2)>}

}

Wherein, parameter Rejecttimervalue can be defined as follows:

00 low priority terminal wait after 10 seconds in first time period Stochastic accessing;

01 low priority terminal wait after 15 seconds in first time period Stochastic accessing;

10 low priority terminal waits after 20 seconds in first time period Stochastic accessing;

11 low priority terminal waits after 25 seconds in first time period Stochastic accessing.

Parameter Accesstimescope can be defined as follows:

00 terminal is randomization access within the scope of 20 seconds;

01 terminal is randomization access within the scope of 30 seconds;

10 terminals are randomization access within the scope of 40 seconds;

11 terminals are randomization access within the scope of 50 seconds.

It should be noted that, the just citing of the bit number of above-mentioned parameter and time value, the embodiment of the present invention does not limit this, and such as, bit number also can be 3 bits or 4 bits.

In addition, the above-mentioned parameter Accesstimescope being used to indicate the value of first time period also can be added in system message, and the value of this first time period is informed to terminal by broadcast mode by network side.

Step 102, above-mentioned downlink control message is handed down to terminal by network side.

As can be seen here, the method of embodiment of the present invention control terminal access, network side carries refusal indication information in downlink control message, the terminal with refusal with low priority initiates access within certain period, thus can network is congested maybe will occur congested time, the access of control terminal effectively, reduces access interference.

In another embodiment of method of control terminal access of the present invention, network side also can divide into groups to low priority terminal before the downlink control message that with the addition of refusal indication information is handed down to terminal further, and optionally refuses one or more groups low priority terminal initiation access by described refusal indication information.

Concrete packet mode can have various ways, such as:

Different groups can be divided into according to the difference of the priority of low priority terminal or signing grade, or the SIM card number according to terminal is divided into groups, as refusal card number last be 0 and/or 1 low priority terminating enter, or divide into groups in the mode producing random number, as network side selects the terminal of the low priority of certain percentage to access according to network load situation, as 10%, 20%.....90%, after terminal receives refusal indication information, first between 1 to 100, a random number is produced, then judge whether this random number is in unaccepted scope, the indication information issued as network is 20% terminal wait randomization access in certain time range after 10 seconds with low priority, if the random number that terminal produces is 18, then this terminal is in the scope be denied access, if the random number that terminal produces is greater than 20, then not in the scope be denied access.

In these situations above-mentioned, above-mentioned refusal indication information also can comprise further: group information.The value of above-mentioned refusal timer is the value of the refusal timer that the terminal in the grouping of above-mentioned group of information instruction starts.Certainly, network side also can consider above-mentioned various different situations, and the information such as corresponding terminal grade, grouping is included in above-mentioned refusal indication information.

Such as, utilize the ChannelType in assignment message immediately to carry out the definition of refusal indication information, to refuse the low priority terminal of different group, can be defined as follows:

00000 all terminal wait randomization accesses in first time period after 10 seconds with low priority;

00001 all terminal wait randomization accesses in first time period after 20 seconds with low priority;

00010 all terminal wait randomization accesses in first time period after 30 seconds with low priority;

00011 all terminal wait randomization accesses in first time period after 40 seconds with low priority;

00100 terminal wait with low priority belonging to group one is randomization access in first time period after 10 seconds;

00101 terminal wait with low priority belonging to group one is randomization access in first time period after 20 seconds;

00110 terminal wait with low priority belonging to group one is randomization access in first time period after 30 seconds;

00111 terminal wait with low priority belonging to group one is randomization access in first time period after 40 seconds;

……

Again such as, utilize the ChannelType in assignment message immediately to carry out the definition of refusal indication information, to refuse the low priority terminal of different SIM card number, can be defined as follows:

00010 there is low priority and SIM card number last position be 0 terminal wait after 10 seconds in first time period randomization access;

00011 there is low priority and SIM card number last position be 0 terminal wait after 20 seconds in first time period randomization access;

00100 there is low priority and SIM card number last position be 1 terminal wait after 10 seconds in first time period randomization access;

00101 there is low priority and SIM card number last position be 1 terminal wait after 20 seconds in first time period randomization access;

00110 there is low priority and SIM card number last position be 2 terminal wait after 10 seconds in first time period randomization access;

00111 there is low priority and SIM card number last position be 2 terminal wait after 20 seconds in first time period randomization access;

……

10100 there is low priority and SIM card number last position be 9 terminal wait after 10 seconds in first time period randomization access;

10100 there is low priority and SIM card number last position be 9 terminal wait after 20 seconds in first time period randomization access.

Again such as, utilize the ChannelType in assignment message immediately to carry out the definition of refusal indication information, to refuse the low priority terminal of dividing into groups according to the mode producing random number, can be defined as follows:

0001010% has the randomization access in first time period after 10 seconds of low priority terminal wait;

0001110% terminal wait with low priority is randomization access in first time period after 20 seconds;

0010020% terminal wait with low priority is randomization access in first time period after 10 seconds;

0010120% terminal wait with low priority is randomization access in first time period after 20 seconds;

0011030% terminal wait with low priority is randomization access in first time period after 10 seconds;

0011130% terminal wait with low priority is randomization access in first time period after 20 seconds;

……

1000090% terminal wait with low priority is randomization access in first time period after 10 seconds;

1000090% terminal wait with low priority is randomization access in first time period after 20 seconds.

Equally, the refusal indication information of the low priority terminal of above-mentioned various grouping situation also can be added in the specific fields in one or more downlink control message following by network side, and this specific fields can be: the IARestOctets field immediately in assignment message, assign IARRestOctets field in refuse information or SpareHalfOctet field immediately, expand assignment message immediately in IAXRestOctets field, P1RestOctets field in beep-page message or P2RestOctets field or P3RestOctets field.

In addition, also the information of above-mentioned first time period can be added in these specific fields above-mentioned.

Such as, above-mentioned refusal indication information comprises the parameter of the parameter being used to indicate the value refusing timer and the value being used to indicate first time period, specific as follows:

{

……

{0|1<Rejecttimervalue:bit(5)>}

{0|1<Accesstimescope:bit(2)>}

}

Such as, the above-mentioned parameter Rejecttimervalue being used to indicate the value of refusal timer can be defined as follows:

……

11100 terminal waits with low priority belonging to group seven are randomization access in first time period after 10 seconds;

11101 terminal waits with low priority belonging to group seven are randomization access in first time period after 20 seconds;

11110 terminal waits with low priority belonging to group seven are randomization access in first time period after 30 seconds;

11111 terminal waits with low priority belonging to group seven are randomization access in first time period after 40 seconds.

Again such as, when refusing the low priority terminal of different SIM card number, above-mentioned parameter Rejecttimervalue can be defined as follows:

……

Again such as, refusal utilizes and produces above-mentioned parameter Rejecttimervalue when the mode of random number refuses low priority terminal and can be defined as follows:

……

Parameter Accesstimescope can be defined as follows:

00 terminal randomization within the scope of 20 seconds with low priority accesses;

01 terminal randomization within the scope of 30 seconds with low priority accesses;

10 terminal randomizations within the scope of 40 seconds with low priority access;

11 terminal randomizations within the scope of 50 seconds with low priority access.

It should be noted that, the just citing of the bit number of above-mentioned parameter and time value, the embodiment of the present invention does not limit this, such as, also can be 3 bits or 4 bits.

In addition, the above-mentioned parameter Accesstimescope being used to indicate the value of first time period also can be added in system message by network side, by broadcast mode, the value of this first time period is informed to the terminal needing refusal access.

Again such as, AC (AccessControl in existing standard can be utilized, access control) the mode low priority terminal of refusing different group initiates access, concrete mode is: terminal is divided into different classes, and the terminal that network side can refuse a certain class or multiclass simultaneously initiates access, such as, terminal is divided into 10 different classes, show with the bitmaps of 10, each represents a class, represents that this Terminal Type is rejected when certain position is 1, such as:

0000001001 represents that the first kind and the 4th class low priority terminal are denied access;

0000000010 represents that Equations of The Second Kind low priority terminal is denied access;

When terminal find belonging to class be rejected initiate access request time, according in message institute issue refusal timer value start refusal timer, wait for refusal timer expiry after initiate at random in certain section of time range access.

Be implemented as network side the above-mentioned AC of utilization mode to be added in the specific fields in one or more downlink control message following to the refusal indication information refusing low priority terminal, this specific fields can be: the IARestOctets field immediately in assignment message, assign IARRestOctets field in refuse information or SpareHalfOctet field immediately, expand assignment message immediately in IAXRestOctets field, P1RestOctets field in beep-page message or P2RestOctets field or P3RestOctets field.

Above-mentioned refusal indication information comprises the parameter of the parameter being used to indicate the value refusing timer and the value being used to indicate first time period, specific as follows:

{

……

{0|1<AccessControlClass:bit(10)>}

{0|1<Rejecttimervalue:bit(2)>}

{0|1<Accesstimescope:bit(2)>}

}

Parameter AccessControlClass is used for representing that the terminal of which kind of or which class is rejected;

Parameter Rejecttimervalue can be defined as follows:

The value of 00 timer is 10 seconds;

The value of 01 timer is 20 seconds;

The value of 10 timers is 30 seconds;

The value of 11 timers is 40 seconds;

Parameter Accesstimescope can be defined as follows:

As can be seen here, the method of embodiment of the present invention control terminal access, network side by adding refusal indication information in downlink control message, the terminal with refusal with low priority initiates access within certain period, and also can divide further the terminal of these low priorities, control targetedly the low first level of part wherein terminal access, thus can network is congested maybe will occur congested time, more effectively reduce network congestion, reduce access interference.

In embodiments of the present invention, network side can also be determined to cause the class of service of network congestion to be PS territory business or CS territory business, thus alleviates the network congestion that causes of different business more accurately.In this case, above-mentioned refusal indication information also can comprise further: PS territory or CS territory service category information.Correspondingly, the value of above-mentioned refusal timer is the value of the refusal timer needing the terminal of the business initiating the instruction of described service category information to start.

Such as, utilize the ChannelType in assignment message immediately to carry out defining above-mentioned refusal indication information, be defined as follows:

00100PS business and the randomization access in first time period after 10 seconds of the terminal wait with low priority;

00101PS business and the randomization access in first time period after 20 seconds of the terminal wait with low priority;

00110PS business and the randomization access in first time period after 30 seconds of the terminal wait with low priority;

00111PS business and the randomization access in first time period after 40 seconds of the terminal wait with low priority;

01000CS business and the randomization access in first time period after 10 seconds of the terminal wait with low priority;

01001CS business and the randomization access in first time period after 20 seconds of the terminal wait with low priority;

01010CS business and the randomization access in first time period after 30 seconds of the terminal wait with low priority;

01011CS business and the randomization access in first time period after 40 seconds of the terminal wait with low priority.

Equally, above-mentioned refusal indication information also can be added in the specific fields of one or more downlink control message following by network side, such as, these specific fields can be: the IARestOctets field immediately in assignment message, assign IARRestOctets field in refuse information or SpareHalfOctet field immediately, expand assignment message immediately in IAXRestOctets field, P1RestOctets field in beep-page message or P2RestOctets field or P3RestOctets field.

The field that such as increase by is new in these fields above-mentioned, is used to refer to above-mentioned refusal indication information, and this refusal indication information comprises the parameter of the parameter being used to indicate the value refusing timer and the value being used to indicate first time period, specific as follows:

{

……

{0|1<Rejecttimervalue:bit(4)>}

{0|1<Accesstimescope:bit(2)>}

}

Wherein, the low priority terminating that parameter Rejecttimervalue is used to indicate refusal PS or CS business enters, and can be defined as follows:

0000 all terminal wait randomization accesses in first time period after 10 seconds with low priority;

0001 all terminal wait randomization accesses in first time period after 20 seconds with low priority;

0010 all terminal wait randomization accesses in first time period after 30 seconds with low priority;

0011 all terminal wait randomization accesses in first time period after 40 seconds with low priority;

0100PS business and the randomization access in first time period after 10 seconds of the terminal wait with low priority;

0101PS business and the randomization access in first time period after 20 seconds of the terminal wait with low priority;

0110PS business and the randomization access in first time period after 30 seconds of the terminal wait with low priority;

0111PS business and the randomization access in first time period after 40 seconds of the terminal wait with low priority;

1000CS business and the randomization access in first time period after 10 seconds of the terminal wait with low priority;

1001CS business and the randomization access in first time period after 20 seconds of the terminal wait with low priority;

1010CS business and the randomization access in first time period after 30 seconds of the terminal wait with low priority;

1011CS business and the randomization access in first time period after 40 seconds of the terminal wait with low priority.

Parameter Accesstimescope is used to indicate the value of first time period, can be defined as follows:

It should be noted that, the just citing of the figure place of above-mentioned parameter and time value, the embodiment of the present invention does not limit this, and such as, new field also can be 3 bits or 4 bits.

In addition, the above-mentioned parameter Accesstimescope being used to indicate the value of first time period also can be added in system message by network side, and the value of this first time period is informed to the terminal needing refusal access by network side by broadcast mode.

As can be seen here, the method of embodiment of the present invention control terminal access, network side adds refusal indication information in downlink control message, the terminal with refusal with low priority initiates PS business or CS service access within certain period, thus can network is congested maybe will occur congested time, more effectively reduce network congestion, reduce access interference.

Correspondingly, the embodiment of the present invention also provides a kind of terminal access method, as shown in Figure 2, is the flow chart of this terminal access method, comprises the following steps:

Step 201, all downlink common control channel that low priority terminal monitoring is corresponding with described terminal place paging group, receive downlink control message.

Particularly, low priority terminal can monitor all downlink common control channel corresponding with described terminal place paging group before or after sending access request message.

Step 202, if comprise refusal indication information in above-mentioned downlink control message, described refusal indication information comprises: the value of refusal timer, then above-mentioned low priority terminal starts this refusal timer.

Above-mentioned downlink control message can be one or more following message: immediately assignment message, assign refuse information immediately, expand assignment message, beep-page message immediately.

Correspondingly, above-mentioned refusal indication information can be carried in the specific fields in these message above-mentioned, the ChannelType field such as immediately in assignment message, it can also be the new field in these message above-mentioned in specific fields, such as: the new field immediately in assignment message in IARestOctets field, or the new field assigned immediately in the IARRestOctets field in refuse information, or the new field assigned immediately in the SpareHalfOctet field in refuse information, or the new field in the P1RestOctets/P2RestOctets/P3RestOctets field in beep-page message, specifically can refer to the description in the method for embodiment of the present invention control terminal access above, in this no longer illustrated in greater detail.

Step 203, initiates access at random in the first time period of above-mentioned low priority terminal after above-mentioned refusal timer expiry.

The value of above-mentioned first time period can be the value that network side and end side are arranged; Also can be included in above-mentioned refusal indication information.In addition, above-mentioned terminal also can obtain the value of above-mentioned first time period by system message.

In another embodiment of terminal access method of the present invention, above-mentioned refusal indication information also can comprise further: group information.Correspondingly, before above-mentioned low priority terminal starts above-mentioned refusal timer, the grouping oneself whether belonging to the instruction of this group information can also be determined further; If so, then show it oneself is unaccepted low priority terminal, start above-mentioned refusal timer; Otherwise, show the row that oneself be not rejected, above-mentioned refusal timer can be started.

In another embodiment of terminal access method of the present invention, above-mentioned refusal indication information also can comprise further: PS territory or CS territory service category information.Correspondingly, before above-mentioned low priority terminal starts above-mentioned refusal timer, can also determine that oneself is the need of PS territory or the CS territory business of initiating the instruction of described service category information further; If so, then show it oneself is unaccepted low priority terminal, start above-mentioned refusal timer; Otherwise, show the row that oneself be not rejected, above-mentioned refusal timer can be started.

As can be seen here, embodiment of the present invention terminal access method, refusal indication information in the downlink control message that the terminal of low priority sends according to network side, initiates access thus significantly reduces network congestion at random again after wait certain hour, reduces access interference.

Correspondingly, the equipment that the embodiment of the present invention also provides a kind of control terminal to access as shown in Figure 3, is a kind of structural representation of this equipment.

In this embodiment, the equipment of control terminal access comprises:

Indication information adding device 301, for adding refusal indication information in downlink control message, this refusal indication information comprises: the value of refusal timer, initiates access with indicating terminal at random waiting in the first time period after above-mentioned refusal timer expiry.

Message sending unit 302, for being handed down to terminal by above-mentioned downlink control message.

In embodiments of the present invention, above-mentioned downlink control message can be one or more following message: immediately assignment message, assign refuse information immediately, expand assignment message, beep-page message immediately.Correspondingly, above-mentioned refusal indication information can be added on the specific fields in these message above-mentioned by indication information adding device 301, the ChannelType field such as immediately in assignment message, or be added on the new field in specific fields in these message above-mentioned, such as: the new field immediately in assignment message in IARestOctets field, or the new field assigned immediately in the IARRestOctets field in refuse information, or the new field assigned immediately in the SpareHalfOctet field in refuse information, or the new field in the P1RestOctets/P2RestOctets/P3RestOctets field in beep-page message, specifically can refer to the description in the method for embodiment of the present invention control terminal access above, in this no longer illustrated in greater detail.

In addition, the value of above-mentioned first time period can be the value that network side and end side are arranged, and also can be included in above-mentioned refusal indication information.In addition, the value of above-mentioned first time period can also be added in system message by indication information adding device 301, by broadcast mode, the value of above-mentioned first time period is informed to terminal.

In another embodiment of the equipment of control terminal access of the present invention, also can comprise further:

Grouped element (not shown), before above-mentioned downlink control message being handed down to terminal in described message sending unit 302, low priority terminal is divided into groups, in actual applications, packet mode can have multiple, specifically can refer to the description in the method for embodiment of the present invention control terminal access above, do not repeat them here.

Correspondingly, in this embodiment, above-mentioned refusal indication information also can comprise further: group information; The value of above-mentioned refusal timer is the value of the refusal timer that the terminal in the grouping of described group of information instruction starts.

In another embodiment of the equipment of control terminal access of the present invention, this equipment also can comprise further:

Traffic identification unit (not shown) is PS territory business or CS territory business for determining to cause the class of service of network congestion.

Correspondingly, in this embodiment, above-mentioned refusal indication information also can comprise further: PS territory or CS territory service category information; The value of above-mentioned refusal timer is the value of the refusal timer needing the terminal of the business initiating the instruction of above-mentioned service category information to start.

The equipment of embodiment of the present invention control terminal access, by adding refusal indication information in downlink control message, the terminal with refusal with low priority initiates access within certain period, but also can divide further the terminal of these low priorities, control the terminal access of the low first level of part wherein targetedly, in addition, can also distinguish and cause the type of service of network congestion to be PS territory business or CS territory business, the terminal access of the low first level of part is wherein controlled targetedly according to the type of service of terminal initiation, thus more effectively can reduce network congestion, reduce access interference.

Correspondingly, the embodiment of the present invention also provides a kind of terminal, as shown in Figure 4, is a kind of structural representation of this terminal.

The terminal of this embodiment comprises:

Message reception units 401, for monitoring all downlink common control channel corresponding with described terminal place paging group, receives downlink control message;

Timer trigger element 402, during for comprising refusal indication information in above-mentioned downlink control message, this refusal indication information comprises: the value of refusal timer, starts this refusal timer;

Access unit 403, for initiating access at random in the first time period after above-mentioned refusal timer expiry.

In embodiments of the present invention, downlink control message can be the multiple message that network side sends, and concrete message and the refusal indication information wherein comprised can refer to the description in preceding embodiment, do not repeat them here.

In addition, the value of above-mentioned first time period can be the value that network side and end side are arranged; Or be included in above-mentioned refusal indication information.

In another embodiment of terminal of the present invention, also can comprise further: information acquisition unit (not shown), for being obtained the value of described first time period by system message.

In another embodiment of terminal of the present invention, above-mentioned refusal indication information also can comprise further: group information.Correspondingly, this terminal also comprises: the first determining unit (not shown), before starting above-mentioned refusal timer at above-mentioned timer trigger element 402, determines whether this terminal belongs to the grouping of above-mentioned group of information instruction; If so, then notify that above-mentioned timer trigger element 402 starts described refusal timer.

In another embodiment of terminal of the present invention, above-mentioned refusal indication information also can comprise further: service category information.Correspondingly, this terminal also comprises: the second determining unit (not shown), before starting above-mentioned refusal timer at above-mentioned timer trigger element 402, determine that this terminal is the need of PS territory or the CS territory business of initiating the instruction of above-mentioned service category information; If so, then notify that above-mentioned timer trigger element 402 starts above-mentioned refusal timer.

As can be seen here, the terminal of the embodiment of the present invention, according to the refusal indication information in the downlink control message that network side sends, after wait certain hour, random initiation is accessed thus significantly reduces network congestion again, reduces access interference.

The embodiment of the present invention additionally provides the method for another kind of control terminal access, as shown in Figure 5, is the flow chart of the method, comprises the following steps:

Step 501, network side adds refusal indication information in downlink control message, this refusal indication information comprises: the timing range of refusal timer, be worth the value as refusal timer using indicating terminal Stochastic choice one in described timing range, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after this refusal timer expiry at random with radio frames before this refusal timer expiry.

Step 502, above-mentioned downlink control message is handed down to terminal by network side.

In embodiments of the present invention, above-mentioned downlink control message can be one or more following message: immediately assignment message, assign refuse information immediately, expand assignment message, beep-page message immediately.Particularly, above-mentioned refusal indication information can be added on the specific fields in these message above-mentioned, the ChannelType field such as immediately in assignment message; Or be added on the new field in specific fields in these message above-mentioned, such as: the new field in the new field immediately in assignment message in IARestOctets field or the new field in assigning in refuse information IARRestOctets field immediately or the new field in assigning in refuse information SpareHalfOctet field immediately or the P1RestOctets/P2RestOctets/P3RestOctets field in beep-page message, is similar to the description in the method for the access of embodiment of the present invention control terminal shown in prior figures 1.

Terminal can be worth the value as refusal timer by Stochastic choice one in the time range of above-mentioned refusal indication information instruction, timing range as network side instruction refusal timer is 0-127 second, then terminal can in Stochastic choice one value within the scope of 0-127 second as the value refusing timer, as 100 seconds.

In addition, the value of above-mentioned first time period can be the value that network side and end side are arranged, and also can be included in above-mentioned refusal indication information.In addition, the value of above-mentioned first time period can also be added in system message by network side, by broadcast mode, the value of above-mentioned first time period is informed to terminal.

It should be noted that, the Stochastic accessing that above-mentioned refusal indication information indicating terminal is initiated refers to radio frames to be that granularity initiates access at random, instead of with time metric value randomization, in 1 second, such as there are 217 time slots can send access request message, then there are 27559 time slots can send access request message in 127 seconds, if the value of refusal timer is chosen to be 127 seconds, then the randomization scope accessed in this refusal timer time is 0-27559.Suppose randomization access in 1 second after this refusal timer expiry, then randomization scope is 0-217.

In another embodiment of the method for control terminal access of the present invention, network side also can divide into groups to low priority terminal before above-mentioned downlink control message is handed down to terminal further.Concrete packet mode can be: the signing grade according to low priority terminal is divided into groups; Or the SIM card number according to low priority terminal is divided into groups; Or, to produce random number way, above-mentioned low priority terminal is divided into groups.Correspondingly, above-mentioned refusal indication information also can comprise further: group information, and the value of above-mentioned refusal timer is the value of the refusal timer that the terminal in the grouping of this group information instruction starts.

In another embodiment of the method for control terminal access of the present invention, network side also can determine to cause the class of service of network congestion to be PS territory business or CS territory business further.Correspondingly, above-mentioned refusal indication information also can comprise further: CS territory or PS territory service category information, and the timing range of above-mentioned refusal timer is the timing range of the refusal timer needing the terminal of the business initiating the instruction of described service category information to start.

The method of embodiment of the present invention control terminal access, network side carries refusal indication information by downlink control message, this refusal indication information comprises: the timing range of refusal timer, make terminal in this timing range Stochastic choice value as refusal timer value, and be that granularity initiates access at random with radio frames before this refusal timer expiry, or be that granularity initiates access at random with radio frames in the first time period after this refusal timer expiry, thus can network is congested maybe will occur congested time, the access of control terminal effectively, reduce access interference.Further, can also divide into groups to low priority terminal, or distinguishing causes the type of service of network congestion to be CS territory business or PS territory business, thus select the access of certain type service of the refusal access of part low priority terminal or refusal terminal targetedly, make the control of terminal access more effective.

Correspondingly, the embodiment of the present invention additionally provides another kind of terminal access method, as shown in Figure 6, is the flow chart of the method, comprises the following steps:

Step 601, all down control channels that low priority terminal monitoring is corresponding with described terminal place paging group, receive downlink control message.

Step 602, if comprise refusal indication information in above-mentioned downlink control message, this refusal indication information comprises: the timing range of refusal timer, then above-mentioned low priority terminal Stochastic choice one in this timing range is worth the value as refusal timer, and starts this refusal timer.

Step 603, above-mentioned low priority terminal is that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after above-mentioned refusal timer expiry at random with radio frames before above-mentioned refusal timer expiry.

In embodiments of the present invention, above-mentioned downlink control message can be multiple message, the mode comprising above-mentioned refusal indication information in concrete message and message can refer to embodiment illustrated in fig. 5 above in description, do not repeat them here.

Low priority terminal can be worth the value as refusal timer by Stochastic choice one in the time range of above-mentioned refusal indication information instruction, timing range as network side instruction refusal timer is 0-127 second, then terminal can in Stochastic choice one value within the scope of 0-127 second as the value refusing timer, as 100 seconds.

In addition, the value of above-mentioned first time period can be the value that network side and end side are arranged, and also can be included in above-mentioned refusal indication information.In addition, low priority can also obtain the value of above-mentioned first time period by system message.

It should be noted that, above-mentioned low priority terminal with radio frames be granularity initiate at random access be different from time granularity initiate at random access, in 1 second, such as there are 217 time slots can send access request message, then there are 27559 time slots can send access request message in 127 seconds, if the value of refusal timer is chosen to be 127 seconds, then the randomization scope accessed in this refusal timer time is 0-27559.Suppose randomization access in 1 second after this refusal timer expiry, then randomization scope is 0-217.

In another embodiment of terminal access method of the present invention, above-mentioned refusal indication information also can comprise further: group information.Correspondingly, also comprise in the method for this embodiment: before above-mentioned low priority terminal starts above-mentioned refusal timer, determine the grouping oneself whether belonging to the instruction of this group information; If so, then above-mentioned refusal timer is started.

In another embodiment of terminal access method of the present invention, above-mentioned refusal indication information also can comprise further: service category information.Correspondingly, also comprise in the method for this embodiment: before above-mentioned low priority terminal starts above-mentioned refusal timer, determine that oneself is the need of PS territory or the CS territory business of initiating the instruction of this service category information; If so, then above-mentioned refusal timer is started.

As can be seen here, the terminal access method of the embodiment of the present invention, the terminal of low priority can according to the refusal indication information in the downlink control message of network side transmission, the value of selected refusal timer, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after above-mentioned refusal timer expiry at random with radio frames before refusal timer expiry, thus effectively alleviate network congestion, reduce access interference.

Correspondingly, the embodiment of the present invention additionally provides the equipment of another kind of control terminal access, and the similar of the equipment of this control terminal access, in embodiment illustrated in fig. 3, comprising: indication information adding device and message sending unit, wherein:

Above-mentioned indication information adding device is used in downlink control message, add refusal indication information, this refusal indication information comprises: the timing range of refusal timer, be worth the value as refusal timer using indicating terminal Stochastic choice one in this timing range, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after above-mentioned refusal timer expiry at random with radio frames before above-mentioned refusal timer expiry.

Above-mentioned message sending unit 302 is for being handed down to terminal by above-mentioned downlink control message.

In embodiments of the present invention, above-mentioned downlink control message can be one or more following message: immediately assignment message, assign refuse information immediately, expand assignment message, beep-page message immediately.Correspondingly, above-mentioned refusal indication information can be added on the specific fields in these message above-mentioned by above-mentioned indication information adding device, the ChannelType field such as immediately in assignment message, or be added on the new field in specific fields in these message above-mentioned, such as: the new field immediately in assignment message in IARestOctets field, or the new field assigned immediately in the IARRestOctets field in refuse information, or the new field assigned immediately in the SpareHalfOctet field in refuse information, or the new field in the P1RestOctets/P2RestOctets/P3RestOctets field in beep-page message, specifically can refer to the description in the method for control terminal access embodiment illustrated in fig. 5 above, in this no longer illustrated in greater detail.

In addition, the value of described first time period can be the value that network side and end side are arranged, and also can be included in above-mentioned refusal indication information.In addition, the value of above-mentioned first time period can also be added in system message by above-mentioned indication information adding device, by broadcast mode, the value of above-mentioned first time period is informed to terminal.

In another embodiment of the equipment of control terminal access of the present invention, also can comprise further: grouped element, before above-mentioned downlink control message being handed down to terminal in above-mentioned message sending unit, low priority terminal is divided into groups, in actual applications, packet mode can have multiple, specifically can refer to the description in the method for embodiment of the present invention control terminal access above, do not repeat them here.Correspondingly, in this embodiment, above-mentioned refusal indication information also can comprise further: group information; The timing range of above-mentioned refusal timer is the timing range of the refusal timer that the terminal in the grouping of this group information instruction starts.

In another embodiment of the equipment of control terminal access of the present invention, this equipment also can comprise further: traffic identification unit, is PS territory business or CS territory business for determining to cause the class of service of network congestion.Correspondingly, in this embodiment, above-mentioned refusal indication information also can comprise further: PS territory or CS territory service category information; The timing range of above-mentioned refusal timer is the timing range of the refusal timer needing the terminal of the business initiating the instruction of above-mentioned service category information to start.

The equipment of embodiment of the present invention control terminal access, by carrying refusal indication information in downlink control message, this refusal indication information comprises: the timing range of refusal timer, make terminal in this timing range Stochastic choice value as refusal timer value, and be that granularity initiates access at random with radio frames before this refusal timer expiry, or be that granularity initiates access at random with radio frames in the first time period after this refusal timer expiry, thus can network is congested maybe will occur congested time, the access of control terminal effectively, reduce access interference.Further, can also divide into groups to low priority terminal, or distinguishing causes the type of service of network congestion to be CS territory business or PS territory business, thus select the access of certain type service of the refusal access of part low priority terminal or refusal terminal targetedly, make the control of terminal access more effective.

Correspondingly, the embodiment of the present invention additionally provides another kind of terminal, and the similar of this terminal, in embodiment illustrated in fig. 4, comprising: message reception units, timer trigger element and access unit.Wherein:

Above-mentioned message reception units 401, for monitoring all downlink common control channel corresponding with described terminal place paging group, receives downlink control message.

When above-mentioned timer trigger element 402 for comprising refusal indication information in above-mentioned downlink control message, this refusal indication information comprises: the timing range of refusal timer, in this timing range, Stochastic choice one value is as the value of above-mentioned refusal timer, and starts above-mentioned refusal timer.

Above-mentioned access unit 403 for being that granularity is initiated at random to access or is that granularity initiates access at random with radio frames in first time period after above-mentioned refusal timer expiry with radio frames before above-mentioned refusal timer expiry.

In another embodiment of terminal of the present invention, also can comprise further: information acquisition unit, for being obtained the value of described first time period by system message.

In another embodiment of terminal of the present invention, above-mentioned refusal indication information also can comprise further: group information.Correspondingly, this terminal also comprises: the first determining unit, before starting above-mentioned refusal timer at above-mentioned timer trigger element, determines whether this terminal belongs to the grouping of above-mentioned group of information instruction; If so, then notify that above-mentioned timer trigger element starts above-mentioned refusal timer.

In another embodiment of terminal of the present invention, above-mentioned refusal indication information also can comprise further: service category information.Correspondingly, this terminal also comprises: the second determining unit, before starting above-mentioned refusal timer at above-mentioned timer trigger element 402, determines that this terminal is the need of PS territory or the CS territory business of initiating the instruction of above-mentioned service category information; If so, then notify that above-mentioned timer trigger element 402 starts above-mentioned refusal timer.

As can be seen here, the terminal of the embodiment of the present invention, according to the refusal indication information in the downlink control message that network side sends, the value of selected refusal timer, and be that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after above-mentioned refusal timer expiry at random with radio frames before refusal timer expiry, thus effectively alleviate network congestion, reduce access interference.

Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for apparatus embodiments, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.System embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.

Being described in detail the embodiment of the present invention above, applying embodiment herein to invention has been elaboration, the explanation of above embodiment just understands method and apparatus of the present invention for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims

1. a method for control terminal access, is characterized in that, comprising:

Described downlink control message is handed down to described terminal by network side;

Network side determines to cause the class of service of network congestion to be PS territory business or CS territory business;

Described refusal indication information also comprises: PS territory or CS territory service category information, and the value of described refusal timer is the value of the refusal timer needing the low priority terminal of the business initiating the instruction of described service category information to start;

Wherein, network side also comprises before described downlink control message is handed down to terminal:

Network side divides into groups to low priority terminal, comprising: network side divides into groups to described low priority terminal according to the signing grade of described low priority terminal; Or network side divides into groups to described low priority terminal according to the SIM card of described low priority terminal number; Or network side divides into groups to described low priority terminal to produce random number way;

Described refusal indication information also comprises: group information; The value of described refusal timer is the value of the refusal timer that the terminal in the grouping of described group of information instruction starts.

2. method according to claim 1, is characterized in that, described network side add in downlink control message refusal indication information comprise following any one or multiple:

Refusal indication information is added in the Channel Type Field of network side in assignment message immediately or the field of assignment residue immediately;

Network side is assigning interpolation refusal indication information in the refusal of the assignment immediately in refuse information residue field or idle half field immediately;

Network side assigns immediately in residue field and adds refusal indication information expanding the expansion in assignment message immediately;

The paging Class1 of network side in beep-page message remains field or paging type 2 remains field or paging type 3 remains interpolation refusal indication information in field.

3. method according to claim 2, is characterized in that,

The value of described first time period is the value that network side and end side are arranged; Or,

Described refusal indication information also comprises: the value of described first time period.

4. method according to claim 2, is characterized in that, described method also comprises:

The value of described first time period is added in system message by network side, and sends to terminal by broadcast mode.

5. a terminal access method, is characterized in that, comprising:

Access is initiated at random in the first time period of described low priority terminal after described refusal timer expiry;

Described refusal indication information also comprises: group information; Described method also comprises:

Before described low priority terminal starts described refusal timer, determine the grouping oneself whether belonging to described group of information instruction;

If so, then described refusal timer is started;

Described refusal indication information also comprises: PS territory or CS territory service category information; Described method also comprises:

Before described low priority terminal starts described refusal timer, determine that oneself is the need of PS territory or the CS territory business of initiating the instruction of described service category information;

If so, then described refusal timer is started.

6. method according to claim 5, is characterized in that, comprise in described downlink control message refusal indication information comprise following any one or multiple:

Described refusal indication information is comprised in Channel Type Field immediately in assignment message or the field of assignment residue immediately;

The refusal of assignment immediately assigned immediately in refuse information remains in field or idle half field and comprises described refusal indication information;

The expansion expanded in assignment message immediately assigns immediately in residue field and comprises described refusal indication information;

Paging Class1 residue field in beep-page message or paging type 2 remain field or paging type 3 and remain in field and comprise described refusal indication information.

7. method according to claim 6, is characterized in that,

8. method according to claim 6, is characterized in that, described method also comprises:

Described low priority terminal obtains the value of described first time period by system message.

9. a method for control terminal access, is characterized in that, comprising:

Described refusal indication information also comprises: CS territory or PS territory service category information, and the timing range of described refusal timer is the timing range of the refusal timer needing the low priority terminal of the business initiating the instruction of described service category information to start;

Network side also comprises before described downlink control message is handed down to terminal:

Described refusal indication information also comprises: group information; The timing range of described refusal timer is the timing range of the refusal timer that the terminal in the grouping of described group of information instruction starts.

10. method according to claim 9, is characterized in that, described network side add in downlink control message refusal indication information comprise following any one or multiple:

Described refusal indication information is added in the Channel Type Field of network side in assignment message immediately or the field of assignment residue immediately;

Network side assign immediately the assignment immediately in refuse information refusal residue field or idle half field in add described refusal indication information;

Network side assigns immediately in residue field and adds described refusal indication information expanding the expansion in assignment message immediately;

The paging Class1 residue field of network side in beep-page message or paging type 2 remain field or paging type 3 and remain in field and add described refusal indication information.

11. methods according to claim 10, is characterized in that,

12. methods according to claim 10, is characterized in that, described method also comprises:

The value of described first time period is added in system message by network side, and sends described system message by broadcast mode.

13. 1 kinds of terminal access methods, is characterized in that, comprising:

Described low priority terminal is that granularity is initiated to be that granularity initiates access at random with radio frames in access or the first time period after described refusal timer expiry at random with radio frames before described refusal timer expiry;

If so, then described refusal timer is started;

Described refusal indication information also comprises: service category information; Described method also comprises:

If so, then described refusal timer is started.

14. methods according to claim 13, is characterized in that, comprise in described downlink control message refusal indication information comprise following any one or multiple:

15. methods according to claim 14, is characterized in that,

16. methods according to claim 14, is characterized in that, described method also comprises:

The equipment of 17. 1 kinds of control terminal accesses, is characterized in that, comprising:

Message sending unit, for being handed down to described terminal by described downlink control message;

Grouped element, for dividing into groups to low priority terminal;

Described refusal indication information also comprises: group information; The value of described refusal timer is the value of the refusal timer that the terminal in the grouping of described group of information instruction starts;

Traffic identification unit is PS territory business or CS territory business for determining to cause the class of service of network congestion;

Described refusal indication information also comprises: service category information, and the value of described refusal timer is the value of the refusal timer needing the low priority terminal of the business initiating the instruction of described service category information to start.

18. equipment according to claim 17, is characterized in that,

19. equipment according to claim 17, is characterized in that,

Described indication information adding device, also for being added in system message by the value of described first time period, to inform to the terminal needing refusal access by the value of described first time period by broadcast mode.

20. 1 kinds of low priority terminals, is characterized in that, comprising:

Access unit, for initiating access at random in the first time period after described refusal timer expiry;

Described refusal indication information also comprises: group information; Described terminal also comprises:

First determining unit, before starting described refusal timer at described timer trigger element, determines whether described terminal belongs to the grouping of described group of information instruction; If so, then notify that described timer trigger element starts described refusal timer;

Described refusal indication information also comprises: service category information; Described terminal also comprises:

Second determining unit, before starting described refusal timer at described timer trigger element, determines that described terminal is the need of PS territory or the CS territory business of initiating the instruction of described service category information; If so, then notify that described timer trigger element starts described refusal timer.

21. low priority terminals according to claim 20, is characterized in that,

22. low priority terminals according to claim 20, it is characterized in that, described terminal also comprises:

Information acquisition unit, for obtaining the value of described first time period by system message.

The equipment of 23. 1 kinds of control terminal accesses, is characterized in that, comprising:

Described equipment also comprises:

Grouped element, for dividing into groups to low priority terminal;

Described refusal indication information also comprises: group information; The timing range of described refusal timer is the timing range of the refusal timer that the low priority terminal in the grouping of described group of information instruction starts;

Described refusal indication information also comprises: service category information, and the timing range of described refusal timer is the timing range of the refusal timer needing the terminal of the business initiating the instruction of described service category information to start.

24. equipment according to claim 23, is characterized in that,

25. equipment according to claim 23, is characterized in that,

26. 1 kinds of low priority terminals, is characterized in that, comprising:

Access unit, for being that granularity is initiated at random to access or is that granularity initiates access at random with radio frames in first time period after described refusal timer expiry with radio frames before described refusal timer expiry;

27. low priority terminals according to claim 26, is characterized in that,

28. low priority terminals according to claim 26, it is characterized in that, described terminal also comprises: