CN107734712A

CN107734712A - A kind of accidental access method and equipment

Info

Publication number: CN107734712A
Application number: CN201610664934.4A
Authority: CN
Inventors: 张元�; 梁靖; 傅婧
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT
Priority date: 2016-08-12
Filing date: 2016-08-12
Publication date: 2018-02-23
Also published as: WO2018028336A1; TW201806429A; TWI643516B

Abstract

The invention discloses a kind of accidental access method and equipment, and multi-carrier operation is supported for solving NB IoT, and UE can only initiate Stochastic accessing on main carrier, result in the problem of overall Stochastic accessing capacity of system is limited.Method includes：Terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, and the carrier wave for initiating Stochastic accessing includes main carrier and secondary carrier；The terminal from the carrier wave that can initiate Stochastic accessing, selects a carrier wave to initiate Stochastic accessing according to the random access information.Stochastic accessing can not only be initiated on main carrier using the scheme of the embodiment of the present invention, the Stochastic accessing that can also be initiated in secondary carrier, can be that the NB IoT terminals of magnanimity preferably provide service so as to improve the overall Stochastic accessing capacity of system.

Description

A kind of accidental access method and equipment

Technical field

The present invention relates to communication technical field, more particularly to a kind of accidental access method and equipment.

Background technology

Arrowband Internet of Things (Narrow Band Internet of Things, abbreviation NB-IoT) working stage (Work Item, abbreviation WI) (Release 13, the abbreviation Rel 13) stage of 3GPP versions 13 by and start.Arrowband internet WI ranks The target of section is to carry out skill to the wireless access of honeycomb Internet of Things (Cellular Internet of Things, abbreviation CIoT) Art standardizes, and strengthens (Long Term based on Long Term Evolution (Long Term Evolution, abbreviation LTE)/Long Term Evolution Evolution-Advanced, abbreviation LTE-A) technology is extended, and the network characteristic and target mainly considered is：In enhanced room Covering, support a large amount of low-speed devices to access, low time delay sensitiveness, reduce equipment cost, reduce equipment power dissipation, optimize the network architecture Deng.Wherein, the characteristic that NB-IoT communications may have includes：

NB-IoT terminals have Hypomobility；

NB-IoT terminals and the data transfer that network side is carried out be not high to requirement of real-time；

NB-IoT final energies are limited, it is desirable to extremely low power consumption；

The information transfer of small data quantity is only carried out between NB-IoT terminals and network side；

NB-IoT terminals have low implementation complexity, etc..

One NB-IoT terminal can have above-mentioned one or more characteristics.

In order to mitigate cell load, NB-IoT supports multi-carrier operation.Under multi-carrier operation, carrier wave be divided into main carrier ( Referred to as grappling (anchor) carrier wave) and secondary carrier (also referred to as non-anchor (non-anchor) carrier wave).Wherein, user on main carrier Equipment (User Equipment, abbreviation UE；Also referred to as terminal) arrowband Physical Broadcast Channel (Narrow band can be received Physical Broadcast Channel, abbreviation NPBCH), arrowband master sync signal (Narrow band Primary Synchronization Signal, abbreviation NPSS), arrowband auxiliary synchronous signals (Narrow band Secondary Synchronization Signal, abbreviation NSSS) and System information block (System Information Block, referred to as SIB) transmit, R13UE currently only it is expected arrowband Physical Downlink Control Channel (Narrow Band-Physical in secondary carrier Downlink Control Channel, abbreviation NB-PDCCH)/arrowband Physical Downlink Shared Channel (Narrow Band- Physical Downlink Shared Channel, abbreviation NB-PDSCH), and/or narrow band transmission Physical Uplink Shared Channel (Narrow Band-Physical Uplink Shared Channel, abbreviation NB-PUSCH).NB-IoT terminals are due to ability It is limited, it is impossible to while work over a number of carriers.In R13, Stochastic accessing can only initiate on main carrier, connect when network side configures When meeting state UE and being operated in secondary carrier, the UE will subsequently always work at the secondary carrier, until into Idle state, or need even Connect state and initiate Stochastic accessing, or be assigned to another carrier wave.

NB-IoT supports multi-carrier operation, and UE can only initiate Stochastic accessing on main carrier, result in system entirety Stochastic accessing capacity is limited, and can not be that the NB-IoT terminals of magnanimity preferably provide service.

The content of the invention

The embodiments of the invention provide a kind of accidental access method and equipment, and multicarrier behaviour is supported for solving NB-IoT Make, and UE can only initiate Stochastic accessing on main carrier, result in the problem of overall Stochastic accessing capacity of system is limited.

First aspect, there is provided a kind of accidental access method, methods described include：

Terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, the carrier wave bag for initiating Stochastic accessing Include main carrier and secondary carrier；

The terminal from the carrier wave that can initiate Stochastic accessing, selects a carrier wave hair according to the random access information Play Stochastic accessing.

Wherein, the random access information includes at least one of following information：The carrier wave of Stochastic accessing can be initiated Attribute information, can initiate Stochastic accessing carrier wave random access channel configuration information and the carrier wave of Stochastic accessing can be initiated Physical random access channel configuration information.

In a kind of possible embodiment, the random access information also includes：

For indicating RACH configuration information and/or physical random access channel configuration information and can initiate random The identification information of corresponding relation between the carrier wave of access.

The random access channel configuration information of secondary carrier and the random of main carrier for indicating to initiate Stochastic accessing connect Enter channel configuration information whether identical bitmap identify, and/or for indicate to initiate Stochastic accessing secondary carrier physics with Whether identical bitmap identifies the physical random access channel configuration information of machine access channel configuration information and main carrier；

Or

For the random access channel configuration information and physical accidental access letter of the secondary carrier for indicating to initiate Stochastic accessing Road configuration information whether the random access channel configuration information and physical random access channel configuration information identical with main carrier Bitmap identifies.

In a kind of possible embodiment, can initiate the attribute information of the carrier wave of Stochastic accessing is included in following information extremely Few one kind：

The downlink working frequency of the carrier wave of Stochastic accessing can be initiated and/or up working frequency points, Stochastic accessing can be initiated The index of carrier wave, can initiate Stochastic accessing carrier wave descending available subframe bitmap configuration information, Stochastic accessing can be initiated The lower between-line spacing of carrier wave configures and can initiated the in-band carrier information of the carrier wave of Stochastic accessing.

In a kind of possible embodiment, can initiate Stochastic accessing carrier wave random access channel configuration information include with At least one of lower information：

Maximum transmission times, power increment parameter, RACH list and the Radio Resource of random access sequence RRC connections are controlled to establish the additional bias of cell selection or gravity treatment when failing.

In a kind of possible embodiment, the physical random access channel configuration information bag of the carrier wave of Stochastic accessing can be initiated Include at least one of following information：

The circulating prefix-length of Physical Random Access Channel, reference signal receive the information list and thing of level threshold Manage the parameter list of RACH；

Wherein, the parameter list include the cycle of Physical Random Access Channel, Physical Random Access Channel it is initial At least one in the subcarrier number of time, the subcarrier biasing of Physical Random Access Channel and Physical Random Access Channel Individual parameter.

Based on any of the above-described embodiment, in a kind of possible embodiment, if the terminal is in RRC Idle state, described Terminal needs to establish RRC connections or the terminal recovers RRC connections；The terminal is according to the random access information, from can send out In the carrier wave for playing Stochastic accessing, a carrier wave is selected to initiate Stochastic accessing, including：

The terminal determines to receive the carrier wave of paging；

The terminal determines the random access information of the carrier wave for receiving paging from the random access information, and According to the random access information of the carrier wave for receiving paging, on the carrier wave for receiving paging, Stochastic accessing is initiated.

In a kind of possible embodiment, the terminal is according to the random access information, from can initiate Stochastic accessing In carrier wave, a carrier wave is selected to initiate Stochastic accessing, including：

The terminal receives use in the physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing The indication signaling of Stochastic accessing is initiated in instruction terminal；

The terminal determines that the random of any carrier wave for initiating Stochastic accessing connects from the random access information Enter information, and according to the random access information of any carrier wave for initiating Stochastic accessing, it is described it is any initiate it is random On the carrier wave of access, Stochastic accessing is initiated.

In a kind of possible embodiment, if the terminal is in RRC connected states or the terminal and has upstream data arrival Need to initiate Stochastic accessing；The terminal from the carrier wave that can initiate Stochastic accessing, selects one according to the random access information Individual carrier wave initiates Stochastic accessing, including：

The terminal determines that network side connects for the random of secondary carrier of terminal configuration from the random access information Enter information, and according to identified random access information, in the secondary carrier that network side is terminal configuration, initiation connects at random Enter.

In a kind of possible embodiment, the terminal is according to the random access information, from can initiate Stochastic accessing In carrier wave, before selecting a carrier wave initiation Stochastic accessing, in addition to：The switching command that the terminal is sent according to network side, Determine the Target cell and target carrier of network side configuration；

The terminal from the carrier wave that can initiate Stochastic accessing, selects a carrier wave hair according to the random access information Stochastic accessing is played, including：The terminal in the target carrier, is initiated according to the random access information of the target carrier In the Stochastic accessing of the Target cell.

In which, the terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, including：

The terminal receives the random access information of the target carrier by the switching command；Or

The terminal receives the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell, and from described In random access information, the random access information of the target carrier is determined.

In a kind of possible embodiment, if the terminal is in RRC connected states and is moved to the edge of current area；Or Terminal described in person is in RRC connection reconstruction states；

The terminal from the carrier wave that can initiate Stochastic accessing, selects a carrier wave hair according to the random access information Before playing Stochastic accessing, in addition to：The terminal determines Target cell；

The terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, including：Described in the terminal receives The random access information of the carrier wave of Stochastic accessing can be initiated in Target cell；

The terminal from the carrier wave that can initiate Stochastic accessing, selects a carrier wave hair according to the random access information Stochastic accessing is played, including：

The terminal determines to receive the carrier wave of paging in the Target cell, from the random access information, it is determined that The random access information of the carrier wave of paging is received in the Target cell, according to identified random access information, in the mesh On the carrier wave that paging is received in mark cell, Stochastic accessing is initiated；Or

The carrier wave for initiating Stochastic accessing that the terminal randomly chooses the terminal and network side is supported, from it is described with In machine access information, it is determined that the random access information of selected carrier wave, and according to identified random access information, selected Stochastic accessing is initiated on the carrier wave selected.

Second aspect, there is provided a kind of accidental access method, methods described include：

Network side will can initiate the random access information of the carrier wave of Stochastic accessing, be sent to terminal, described to initiate at random The carrier wave of access includes main carrier and secondary carrier；

Network side is on any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal.

Wherein, the random access information that can initiate the carrier wave of Stochastic accessing refers to associated description in first aspect, this Place repeats no more.

In a kind of possible embodiment, network side will can initiate the random access information of the carrier wave of Stochastic accessing, send To terminal, including：

By the system information of the main carrier in the cell, random by the carrier wave that can initiate Stochastic accessing connects network side Enter information, be sent to terminal；Or

Network side is by switching command, by the random access information that network side is the target carrier that the terminal configures, hair Give the terminal.

The third aspect, there is provided a kind of terminal, the terminal include：

Receiving module, it is described to initiate to connect at random for receiving the random access information for the carrier wave that can initiate Stochastic accessing The carrier wave entered includes main carrier and secondary carrier；

AM access module, for according to the random access information, from the carrier wave that can initiate Stochastic accessing, selecting a load Ripple initiates Stochastic accessing.

In a kind of possible embodiment, the AM access module is specifically used for：

Received in physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing for indicating end Initiate the indication signaling of Stochastic accessing in end；

From the random access information, the random access information of any carrier wave for initiating Stochastic accessing is determined, And according to the random access information of any carrier wave for initiating Stochastic accessing, in any load for initiating Stochastic accessing On ripple, Stochastic accessing is initiated.

In a kind of possible embodiment, if the terminal is in RRC connected states or the terminal and has upstream data arrival Need to initiate Stochastic accessing；The AM access module is specifically used for：

From the random access information, random access information of the network side for the secondary carrier of terminal configuration is determined, And according to identified random access information, in the secondary carrier that network side is terminal configuration, initiate Stochastic accessing.

The switching command sent according to network side, determine the Target cell and target carrier of network side configuration；According to described The random access information of target carrier, in the target carrier, initiate the Stochastic accessing in the Target cell.

In which, the receiving module is specifically used for：

By the switching command, the random access information of the target carrier is received；Or

Receive the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell, and from the Stochastic accessing In information, the random access information of the target carrier is determined.

In a kind of possible embodiment, if the terminal is in RRC connected states and is moved to the edge of current area；Or Terminal described in person is in RRC connection reconstruction states；The AM access module is specifically used for：Determine Target cell；

Determine to receive the carrier wave of paging in the Target cell, from the random access information, determine the target The random access information of the carrier wave of paging is received in cell, according to identified random access information, in the Target cell On the carrier wave for receiving paging, Stochastic accessing is initiated；Or initiating of supporting of the random selection terminal and network side is random The carrier wave of access, from the random access information, it is determined that the random access information of selected carrier wave, and according to identified Random access information, Stochastic accessing is initiated on selected carrier wave；

The receiving module is specifically used for：Receive the Stochastic accessing for the carrier wave that Stochastic accessing can be initiated in the Target cell Information.

Fourth aspect, there is provided a kind of terminal, the terminal include transceiver and be connected at least with the transceiver One processor, wherein：

The processor, for reading the program in memory, perform following process：

The random access information of the carrier wave of Stochastic accessing can be initiated by the transceiver, it is described to initiate to connect at random The carrier wave entered includes main carrier and secondary carrier；According to the random access information, from the carrier wave that can initiate Stochastic accessing, selection One carrier wave initiates Stochastic accessing；

The transceiver, for data to be received and sent under the control of the processor.

In a kind of possible embodiment, if the terminal is in RRC Idle state, the terminal needs to establish RRC connections, Or the terminal recovers RRC connections；The processor reads the program in the memory, specifically performs following process：

It is determined that receive the carrier wave of paging；From the random access information, the random of the carrier wave for receiving paging is determined Access information, and according to it is described receive paging carrier wave random access information, it is described receive paging carrier wave on, initiate with Machine accesses.

In a kind of possible embodiment, the processor reads the program in the memory, specifically performs following mistake Journey：

Connect by the transceiver in the physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing Receive the indication signaling that Stochastic accessing is initiated for instruction terminal；

In a kind of possible embodiment, if the terminal is in RRC connected states or the terminal and has upstream data arrival Need to initiate Stochastic accessing；The processor reads the program in the memory, specifically performs following process：

In which, the processor reads the program in the memory, specifically performs following process：

The transceiver is controlled by the switching command, receives the random access information of the target carrier；

Or

By the random access information for the carrier wave that Stochastic accessing can be initiated in Target cell described in the transceiver, and From the random access information, the random access information of the target carrier is determined.

In a kind of possible embodiment, if the terminal is in RRC connected states and is moved to the edge of current area；Or Terminal described in person is in RRC connection reconstruction states；The processor reads the program in the memory, specifically performs following mistake Journey：

Determine Target cell；

By the random access information for the carrier wave that Stochastic accessing can be initiated in Target cell described in the transceiver；

Determine to receive the carrier wave of paging in the Target cell, from the random access information, determine the target The random access information of the carrier wave of paging is received in cell, according to identified random access information, in the Target cell On the carrier wave for receiving paging, Stochastic accessing is initiated；Or initiating of supporting of the random selection terminal and network side is random The carrier wave of access, from the random access information, it is determined that the random access information of selected carrier wave, and according to identified Random access information, Stochastic accessing is initiated on selected carrier wave.

5th aspect, there is provided a kind of network side equipment, the network side equipment include：

Sending module, for the random access information of the carrier wave of Stochastic accessing will can be initiated, terminal is sent to, it is described to send out Playing the carrier wave of Stochastic accessing includes main carrier and secondary carrier；

Receiving module, in any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal.

In a kind of possible embodiment, the sending module is specifically used for：

By the system information of the main carrier in the cell, the Stochastic accessing that will can initiate the carrier wave of Stochastic accessing is believed Breath, is sent to terminal；Or

By switching command, the random access information by the network side equipment for the target carrier of terminal configuration, It is sent to the terminal.

6th aspect, there is provided a kind of network side equipment, the network side equipment include：Transceiver and with the receipts At least one processor of hair machine connection, wherein：

The processor, for reading the program in memory, perform following process：

Control the transceiver can to initiate the random access information of carrier wave of Stochastic accessing, be sent to terminal, it is described can Initiating the carrier wave of Stochastic accessing includes main carrier and secondary carrier；

By the transceiver on any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal；

System information of the transceiver by the main carrier in the cell is controlled, will can initiate the carrier wave of Stochastic accessing Random access information, be sent to terminal；Or

The transceiver is controlled by switching command, by the target carrier that the network side equipment is terminal configuration Random access information, it is sent to the terminal.

7th aspect, there is provided a kind of computer-readable recording medium, wherein executable program code is stored with, the journey Sequence code is realizing the method described in first aspect.

Eighth aspect, there is provided a kind of computer-readable recording medium, wherein executable program code is stored with, the journey Sequence code is realizing the method described in second aspect.

In method and apparatus provided in an embodiment of the present invention, terminal first receives the random of carrier wave that can initiate Stochastic accessing and connect Enter information, further according to the random access information received, from the carrier wave that can initiate Stochastic accessing, select a carrier wave initiate with Machine is accessed, and Stochastic accessing can be not only initiated on main carrier using the scheme of the embodiment of the present invention, can also be in secondary carrier The Stochastic accessing of initiation, can be that the NB-IoT terminals of magnanimity are more preferable so as to improve the overall Stochastic accessing capacity of system Service is provided.

Brief description of the drawings

Fig. 1 is a kind of schematic flow sheet of the accidental access method of end side provided in an embodiment of the present invention；

Fig. 2 is a kind of schematic flow sheet of the accidental access method of network side provided in an embodiment of the present invention；

Fig. 3 is a kind of schematic diagram of terminal provided in an embodiment of the present invention；

Fig. 4 is the schematic diagram of another terminal provided in an embodiment of the present invention；

Fig. 5 is a kind of schematic diagram of network side equipment provided in an embodiment of the present invention；

Fig. 6 is the schematic diagram of another network side equipment provided in an embodiment of the present invention.

Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.

" multiple ", " cover " being related in the embodiment of the present invention represent two or more more.

The embodiment of the present invention is described in further detail with reference to Figure of description.It is it should be appreciated that described herein Embodiment be merely to illustrate and explain the present invention, be not intended to limit the present invention.

In embodiment shown in Fig. 1, there is provided a kind of accidental access method of end side, including：

S11, terminal receive the random access information for the carrier wave that can initiate Stochastic accessing, the load for initiating Stochastic accessing Ripple includes main carrier and secondary carrier.

Wherein, the quantity that can initiate the secondary carrier of Stochastic accessing is one or more.

Optionally, the random access information of main carrier and the random access information of secondary carrier of Stochastic accessing can be initiated can be with Sent, can also be sent respectively by multiple pieces of system information simultaneously by a system information.

S12, the terminal from the carrier wave that can initiate Stochastic accessing, select a load according to the random access information Ripple initiates Stochastic accessing.

In the embodiment of the present invention, terminal first receives the random access information for the carrier wave that can initiate Stochastic accessing, further according to connecing The random access information received, from the carrier wave that can initiate Stochastic accessing, a carrier wave is selected to initiate Stochastic accessing, using this hair The scheme of bright embodiment can not only initiate Stochastic accessing on main carrier, the Stochastic accessing that can also be initiated in secondary carrier, Can be that the NB-IoT terminals of magnanimity preferably provide service so as to improve the overall Stochastic accessing capacity of system.

In the embodiment of the present invention, the random access information includes at least one of following information：

The RACH configuration of the attribute information that the carrier wave of Stochastic accessing can be initiated, the carrier wave that Stochastic accessing can be initiated Information, can initiate Stochastic accessing carrier wave physical random access channel configuration information.

In the embodiment of the present invention, can each initiate the attribute information of the carrier wave of Stochastic accessing is included in following information at least It is a kind of：

The downlink working frequency of the carrier wave of Stochastic accessing can be initiated and/or up working frequency points, Stochastic accessing can be initiated The index (index) of carrier wave, can initiate Stochastic accessing carrier wave descending available subframe bitmap (bitmap) configuration information, can In the band of lower between-line spacing (gap) configuration for initiating the carrier wave of Stochastic accessing and the carrier wave that Stochastic accessing can be initiated (inband) Carrier information.

Wherein, can initiate the index of the secondary carrier of Stochastic accessing can also be notified to terminal using implicit, for example, logical The index that secondary carrier configured list implicitly notifies terminal secondary carrier is crossed, i.e. the index of secondary carrier is matched somebody with somebody according to the secondary carrier in secondary carrier Put putting in order as index in tab sequential.

In the embodiment of the present invention, can each initiate Stochastic accessing carrier wave random access channel configuration information to be a set of or More sets, often covering random access channel configuration information includes at least one of following information：

Maximum transmission times, power increment parameter, RACH list and the Radio Resource of random access sequence (Radio Resource Control, abbreviation RRC) connection is controlled to establish the additional bias of cell selection or gravity treatment when failing.

In the embodiment of the present invention, the physical random access channel configuration information that can each initiate the carrier wave of Stochastic accessing is one Set or more sets, often covering physical random access channel configuration information includes at least one of following information：

Cyclic prefix (CP) length of Physical Random Access Channel, reference signal receive level threshold information list, with And the parameter list of Physical Random Access Channel.

Wherein, the parameter list of Physical Random Access Channel corresponds to the parameter of one or more Physical Random Access Channels, Include but is not limited to following at least one parameter in the parameter list：The cycle of Physical Random Access Channel, initial time, sub- load Ripple biasing, subcarrier number etc..

In a kind of possible embodiment, also include in the random access information：

The random access channel configuration information of secondary carrier and the random of main carrier for indicating to initiate Stochastic accessing connect Entering channel configuration information, whether identical bitmap (bitmap) identifies, and/or for indicating to initiate the secondary carrier of Stochastic accessing Physical random access channel configuration information and main carrier physical random access channel configuration information whether identical bitmap (bitmap) identify；

Or

For the random access channel configuration information and physical accidental access letter of the secondary carrier for indicating to initiate Stochastic accessing Road configuration information whether the random access channel configuration information and physical random access channel configuration information identical with main carrier Bitmap (bitmap) identifies.

For example, the random access channel configuration information of the secondary carrier of Stochastic accessing and main load can be initiated for instruction Whether the random access channel configuration information of ripple is exemplified by identical bitmap (bitmap) mark, each bit pair in bitmap mark A secondary carrier is answered, can be the random access channel configuration information that " 0 " represents secondary carrier corresponding to the bit by bit value It is different from the random access channel configuration information of main carrier, by bit value be " 1 " represent secondary carrier corresponding to the bit with Machine access channel configuration information is identical with the random access channel configuration information of main carrier.

Based on any of the above-described embodiment, terminal described in S12 is according to the random access information, from can initiate Stochastic accessing Carrier wave in, select carrier wave to initiate Stochastic accessing, under different scenes, specific implementation is also different, specifically include with Under several possible implementations：

Mode 1, the scene of which application are in RRC Idle state for the terminal, the terminal needs to establish RRC companies Connect or the terminal recovers RRC connections.

In which, S11 is specifically included：

The terminal is currently located the system information of the main carrier in cell by system broadcasts, such as the terminal, connects Receive the random access information for the carrier wave for initiating Stochastic accessing that network side is sent.

In the embodiment of the present invention, system information includes Master Information Block (Master Information Block, abbreviation MIB) And/or system information block (System Information Block, abbreviation SIB).

In which, S12 is specifically included：

The terminal determines to receive the carrier wave of paging；

Specifically, the terminal can be currently located the system information of the main carrier in cell according to the terminal, it is determined that Go out to receive the carrier wave of paging.

Mode 2, the scene of which application are that network side has been the work that the terminal is configured with that secondary carrier is the terminal Make carrier wave, and Physical Downlink Control Channel (the Physical Downlink Control in configured secondary carrier Channel, abbreviation PDCCH) on indicate that the terminal initiates Stochastic accessing.

In which, S11 is specifically included：

In which, S12 is specifically included：

The terminal is received for indicating that the terminal initiates Stochastic accessing on the PDCCH in any secondary carrier Indication signaling；

The terminal determines the random access information of any secondary carrier from the random access information, and according to The random access information of any secondary carrier, in any secondary carrier, initiate Stochastic accessing.

Mode 3, the scene of which application are that network side has been the work that the terminal is configured with that secondary carrier is the terminal Make carrier wave, if the terminal is in RRC connected states or the terminal and has upstream data arrival to need to initiate Stochastic accessing.

In which, S11 is specifically included：

In which, S12 is specifically included：

Mode 4, the scene of which application configure the switching of the terminal for network side.

In which, before S12, in addition to：

The switching command that the terminal is sent according to network side, determine the Target cell and target carrier of network side configuration.

Wherein, the switching command instruction network side is the mesh on the Target cell and Target cell of terminal configuration Mark carrier wave.

In which, S12 is specifically included：The terminal is according to the random access information of the target carrier, in the mesh Mark on carrier wave, initiate the Stochastic accessing in the Target cell.

In which, the terminal obtains the random access information of the target carrier, including following two possible realities Existing mode：

Mode 41：The random access information of the target carrier is carried in the switching command.

In which, S11 is specifically included：

The terminal receives the random access information of the target carrier by the switching command.

Mode 42：The random access information of the target carrier is not carried in the switching command.

In which, S11 is specifically included：

The terminal receives the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell.

Further, the terminal determines the Stochastic accessing letter of the target carrier from the random access information received Breath.

Specifically, system information of the terminal by the main carrier in system broadcasts, such as the Target cell, is received The random access information of the carrier wave of Stochastic accessing can be initiated in the Target cell that network side is sent.

Mode 5, the scene of which application are in RRC connected states and are moved to the edge of current area for the terminal； Or the terminal is in RRC connection reconstruction states.

In which, before S12, in addition to：The terminal determines Target cell.

If specifically, the terminal is in RRC connected states and is moved to the edge of current area, the terminal passes through small Area's reuse adoption process, determine the Target cell；If the terminal is in RRC connection reconstruction states, the terminal passes through cell Selection course, determine the Target cell.

In which, S11 is specifically included：The carrier wave of Stochastic accessing can be initiated in the terminal reception Target cell Random access information.

Specifically, the terminal, such as the system information of the main carrier in the Target cell, receives net by system broadcasts The random access information of the carrier wave of Stochastic accessing can be initiated in the Target cell that network side is sent.

In which, S12 specifically includes following two possible embodiments：

Mode 51, the terminal determine to receive the carrier wave of paging in the Target cell, from the random access information In, determine to receive the random access information of the carrier wave of paging in the Target cell, according to identified random access information, On the carrier wave that paging is received in the Target cell, Stochastic accessing is initiated.

Mode 52, the carrier wave for initiating Stochastic accessing that the terminal randomly chooses the terminal and network side is supported, From the random access information, it is determined that the random access information of selected carrier wave, and believed according to identified Stochastic accessing Breath, Stochastic accessing is initiated on selected carrier wave.

In which, if the quantity for the carrier wave for initiating Stochastic accessing that the terminal and network side are supported is at least two Individual, then the terminal randomly chooses a carrier wave and initiates to connect at random from described at least two carrier waves that can initiate Stochastic accessing Enter.It is of course also possible to use the carrier wave of Stochastic accessing is initiated in other modes selection, for example, the terminal can be strong with selection signal Spend best carrier wave and initiate Stochastic accessing；Etc..Specifically chosen mode is not defined in the embodiment of the present invention.

In embodiment illustrated in fig. 2, there is provided a kind of accidental access method of network side, including：

S21, network side will can initiate the random access information of the carrier wave of Stochastic accessing, be sent to terminal, described to initiate The carrier wave of Stochastic accessing includes main carrier and secondary carrier；

S22, network side are on any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal.

In the embodiment of the present invention, the random access information of carrier wave of Stochastic accessing can be initiated referring specifically to implementation shown in Fig. 1 Associated description in example, here is omitted.

In the embodiment of the present invention, if network side configurating terminal carries out cell switching, S22 specifically includes following possible realization Mode：

Network side will can initiate the random access information of the carrier wave of Stochastic accessing, be sent to terminal, example by system broadcasts Such as, network side sends the Stochastic accessing for the carrier wave that can initiate Stochastic accessing by the system information on the main carrier in the cell Information；Or

Below by several specific embodiments, accidental access method provided in an embodiment of the present invention is described in detail.

Embodiment 1：Present embodiment describes terminal to be in RRC Idle state, connecing at random when establishing or recovering RRC connections Enter process, specifically include：

1) terminal receives the random access information for the carrier wave for initiating Stochastic accessing that network side is sent in system broadcasts And store；

2) when terminal needs initiation to be initially accessed, such as receive paging or need to send data or during signaling, if Terminal is allowed to access network, and terminal initiates random access procedure on the carrier wave for receiving paging, otherwise do not initiate Stochastic accessing Flow.

Embodiment 2：When initiating random access procedure by PDCCH orders instruction terminal present embodiment describes network side, The random access procedure of terminal.Specifically include：

2) network side configuration secondary carrier is to terminal, and configuration successful；

3) when updating system message without terminal, network side instruction terminal on the PDCCH in configured secondary carrier Initiate random access procedure；

4) terminal initiates random access procedure in the secondary carrier for receive PDCCH.

Embodiment 3：Present embodiment describes terminal to be in RRC connected states, and having upstream data to reach needs initiation random During access process, the random access procedure of terminal.Specifically include：

3) when updating system message without terminal, terminal initiates Stochastic accessing stream in the secondary carrier that network side configures Journey.

Embodiment 4：Under the switching configured present embodiment describes network side, the random access procedure of terminal.Specifically include：

1) network side configurating terminal is switched to Target cell；

Specifically, network side sends switching command to indicate the relevant information of Target cell, the correlation of the Target cell Information includes but is not limited at least one of following information：

The mark of Target cell, the mark of target carrier (frequency of such as target carrier), the Stochastic accessing letter of target carrier Breath.Wherein, target carrier can be the main carrier or secondary carrier of the Target cell.

If 2) target carrier of network side configuration is the main carrier of Target cell, terminal is read on the main carrier of Target cell Take system information and store, and random access procedure is initiated on main carrier；

If the target carrier of network side configuration is the secondary carrier of Target cell, further：

If the relevant information of the Target cell includes the random access information of target carrier, terminal connects at random according to this Enter information, random access procedure is initiated in target carrier；

If the relevant information of the Target cell does not include the random access information of target carrier, terminal receives network side The random of one or more secondary carriers that Stochastic accessing can be initiated in the Target cell is read on main carrier in Target cell Access information simultaneously stores, to obtain the random access information of target carrier, and according to the random access information of target carrier, in mesh Random access procedure is initiated on mark carrier wave.

Embodiment 5：Present embodiment describes terminal to be in RRC connected states, and is moved to cell edge, when, terminal The process of Stochastic accessing.Specifically include：

1) terminal is in RRC connected states, passes through cell reselection, selection target cell；

2) terminal reads system information in the main carrier of Target cell and stored；

3) terminal initiates random access procedure on the main carrier of Target cell.

Embodiment 6：Present embodiment describes terminal to be in RRC connected states, and is moved to cell edge, when, terminal The process of Stochastic accessing.Specifically include：

3) terminal receive the carrier wave for initiating Stochastic accessing that is sent in the system broadcasts of Target cell of network side with Machine access information simultaneously stores, and according to the system information of Target cell, determines that terminal receives the carrier wave of paging, sent out on the carrier wave Play random access procedure.

Embodiment 7：Present embodiment describes terminal to be in RRC connected states, and is moved to cell edge, when, terminal The process of Stochastic accessing.Specifically include：

3) terminal receive the carrier wave for initiating Stochastic accessing that is sent in the system broadcasts of Target cell of network side with Machine access information simultaneously stores, and the carrier wave that terminal randomly chooses a terminal and network side is supported simultaneously, initiates random access procedure.

Embodiment 8：Present embodiment describes during terminal RRC connection reconstructions, the process of the Stochastic accessing of terminal.Specific bag Include：

1) terminal performs cell selection, selection target cell；

2) terminal reads system information in the main carrier of Target cell and stored, and according to the access control broadcasted on main carrier Information processed judges whether to access the cell, and when terminal can access, execution is following 3), otherwise returns and performs cell selection, choosing Select other cells；

3) terminal reads the random of the carrier wave for initiating Stochastic accessing that network side is sent in the broadcast of Target cell and connect Enter information and store, and according to the system information of Target cell, determine that terminal receives the carrier wave of paging, initiated on the carrier wave with Machine access process.

Above method handling process can realize that the software program can be stored in storage medium with software program, when When the software program of storage is called, above method step is performed.

Based on same inventive concept, a kind of terminal is additionally provided in the embodiment of the present invention, because the terminal solves problem Principle is similar to the embodiment of the method shown in above-mentioned Fig. 1, therefore the implementation of the terminal may refer to the implementation of method, repeats part Repeat no more.

In embodiment shown in Fig. 3, there is provided a kind of terminal, the terminal include：

Receiving module 31, it is described to initiate at random for receiving the random access information for the carrier wave that can initiate Stochastic accessing The carrier wave of access includes main carrier and secondary carrier；

AM access module 32, for according to the random access information, from the carrier wave that can initiate Stochastic accessing, selecting one Carrier wave initiates Stochastic accessing.

Wherein, the correlation that can be initiated in the random access information embodiment shown in Figure 1 of the carrier wave of Stochastic accessing is retouched State, here is omitted.

In a kind of possible embodiment, if the terminal is in RRC Idle state, the terminal needs to establish RRC connections, Or the terminal recovers RRC connections；The AM access module 32 is specifically used for：

In a kind of possible embodiment, the AM access module 32 is specifically used for：

In a kind of possible embodiment, if the terminal is in RRC connected states or the terminal and has upstream data arrival Need to initiate Stochastic accessing；The AM access module 32 is specifically used for：

In which, the receiving module 31 is specifically used for：

In a kind of possible embodiment, if the terminal is in RRC connected states and is moved to the edge of current area；Or Terminal described in person is in RRC connection reconstruction states；The AM access module 32 is specifically used for：Determine Target cell；

The receiving module 31 is specifically used for：Stochastic accessing can be initiated by receiving the random of carrier wave in the Target cell connects Enter information.

In embodiment illustrated in fig. 4, there is provided another terminal, the terminal include transceiver 41 and with the transceiver At least one processor 42 of 41 connections, wherein：

Processor 42, for reading the program in memory 43, perform following process：

The random access information for the carrier wave that can initiate Stochastic accessing is received by transceiver 41, it is described to initiate Stochastic accessing Carrier wave include main carrier and secondary carrier；According to the random access information, from the carrier wave that can initiate Stochastic accessing, one is selected Individual carrier wave initiates Stochastic accessing；

Transceiver 41, for data to be received and sent under the control of processor 42.

In Fig. 4, bus architecture can include the bus and bridge of any number of interconnection, specifically be represented by processor 42 The various circuits for the memory that one or more processors and memory 43 represent link together.Bus architecture can also will be all Various other circuits such as ancillary equipment, voltage-stablizer and management circuit or the like link together, and these are all this areas Known, therefore, no longer it is described further herein.EBI provides interface.Transceiver 41 can be one Element or multiple element, such as multiple receivers and transmitter, there is provided for over a transmission medium with various other dresses Put the unit of communication.For different user equipmenies, user interface 44, which can also be, external the interface for needing equipment is inscribed, The equipment of connection includes but is not limited to keypad, display, loudspeaker, microphone, control stick etc..Processor 42 is responsible for always Line architecture and common processing, can also provide various functions, including timing, peripheral interface, voltage-regulation, power management and Other control functions.Memory 43 can store the used data when performing operation of processor 42.

Optionally, processor 42 can be that centre buries device (CPU), application specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), field programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or CPLD CPLDs (Complex Programmable Logic Device, abbreviation CPLD).

In a kind of possible embodiment, if the terminal is in RRC Idle state, the terminal needs to establish RRC connections, Or the terminal recovers RRC connections；Processor 42 reads the program in memory 43, specifically performs following process：

In a kind of possible embodiment, processor 42 reads the program in memory 43, specifically performs following process：

Received by transceiver 41 in the physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing To the indication signaling that Stochastic accessing is initiated for instruction terminal；

In a kind of possible embodiment, if the terminal is in RRC connected states or the terminal and has upstream data arrival Need to initiate Stochastic accessing；Processor 42 reads the program in memory 43, specifically performs following process：

In which, processor 42 reads the program in memory 43, specifically performs following process：

Transceiver 41 is controlled to receive the random access information of the target carrier by the switching command；

Or

Receive the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell by transceiver 41, and from In the random access information, the random access information of the target carrier is determined.

In a kind of possible embodiment, if the terminal is in RRC connected states and is moved to the edge of current area；Or Terminal described in person is in RRC connection reconstruction states；Processor 42 reads the program in memory 43, specifically performs following process：

Determine Target cell；

The random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell is received by transceiver 41；

Based on same inventive concept, a kind of network side equipment is additionally provided in the embodiment of the present invention, because the equipment solves The principle of problem is similar to the embodiment of the method shown in above-mentioned Fig. 2, therefore the implementation of the equipment may refer to the implementation of method, weight Multiple part repeats no more.

In embodiment illustrated in fig. 5, there is provided a kind of network side equipment, the network side equipment include：

Sending module 51, for the random access information of the carrier wave of Stochastic accessing will can be initiated, be sent to terminal, it is described can Initiating the carrier wave of Stochastic accessing includes main carrier and secondary carrier；

Receiving module 52, in any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal.

In a kind of possible embodiment, the sending module 51 is specifically used for：

In embodiment illustrated in fig. 6, there is provided another network side equipment, the network side equipment include：Transceiver 61, with And at least one processor 62 being connected with the transceiver 61, wherein：

Processor 62, for reading the program in memory 63, perform following process：

Control transceiver 61 will can initiate the random access information of the carrier wave of Stochastic accessing, be sent to terminal, described to send out Playing the carrier wave of Stochastic accessing includes main carrier and secondary carrier；

By transceiver 61 on any carrier wave for initiating Stochastic accessing, the Stochastic accessing of receiving terminal；

Transceiver 61, for data to be received and sent under the control of processor 62.

Wherein, in figure 6, bus architecture can include the bus and bridge of any number of interconnection, specifically by processor 62 The various circuits for the memory that the one or more processors and memory 63 of representative represent link together.Bus architecture may be used also So that various other circuits of such as ancillary equipment, voltage-stablizer and management circuit or the like to be linked together, these are all It is known in the art, therefore, no longer it is described further herein.EBI provides interface.Transceiver 61 can be with It is multiple element, i.e., including transmitter and transceiver, there is provided for the unit to be communicated over a transmission medium with various other devices. Processor 62 is responsible for bus architecture and common processing, can also provide various functions, including timing, peripheral interface, electricity Pressure regulation, power management and other control functions.It is used when performing operation that memory 63 can store processor 62 Data.

Optionally, processor 62 can be CPU, ASIC, FPGA or CPLD.

In a kind of possible embodiment, processor 62 reads the program in memory 63, specifically performs following process：

System information of the transceiver 61 by the main carrier in the cell is controlled, will can initiate the carrier wave of Stochastic accessing Random access information, it is sent to terminal；Or

Transceiver 61 is controlled by switching command, by target carrier that the network side equipment is terminal configuration with Machine access information, it is sent to the terminal.

It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) The form of product.

The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.

These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or The function of being specified in multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one The step of function of being specified in individual square frame or multiple square frames.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent Select embodiment and fall into having altered and changing for the scope of the invention.

Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising including these changes and modification.

Claims

1. a kind of accidental access method, it is characterised in that methods described includes：

Terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, and the carrier wave for initiating Stochastic accessing includes master Carrier wave and secondary carrier；

The terminal is according to the random access information, from the carrier wave that can initiate Stochastic accessing, select a carrier wave initiate with Machine accesses.

2. according to the method for claim 1, it is characterised in that the random access information is included in following information at least It is a kind of：Attribute information, the RACH for the carrier wave that can initiate Stochastic accessing that the carrier wave of Stochastic accessing can be initiated match somebody with somebody confidence Breath and can initiate Stochastic accessing carrier wave physical random access channel configuration information.

3. according to the method for claim 2, it is characterised in that the random access information also includes：

For indicating RACH configuration information and/or physical random access channel configuration information and Stochastic accessing can be initiated Carrier wave between corresponding relation identification information.

4. according to the method for claim 2, it is characterised in that the random access information also includes：

The random access channel configuration information of secondary carrier and the Stochastic accessing of main carrier for indicating to initiate Stochastic accessing are believed Whether identical bitmap identifies road configuration information, and/or the physical accidental of the secondary carrier for indicating to initiate Stochastic accessing connects Entering the physical random access channel configuration information of channel configuration information and main carrier, whether identical bitmap identifies；

Or

Random access channel configuration information and Physical Random Access Channel for the secondary carrier that indicates to initiate Stochastic accessing are matched somebody with somebody Confidence breath whether the random access channel configuration information and physical random access channel configuration information identical bitmap with main carrier Mark.

5. according to the method for claim 2, it is characterised in that can initiate the carrier wave of Stochastic accessing attribute information include with At least one of lower information：

The downlink working frequency and/or up working frequency points, the carrier wave that Stochastic accessing can be initiated of the carrier wave of Stochastic accessing can be initiated Index, can initiate Stochastic accessing carrier wave descending available subframe bitmap configuration information, the carrier wave of Stochastic accessing can be initiated Lower between-line spacing configuration and can initiate Stochastic accessing carrier wave in-band carrier information.

6. according to the method for claim 2, it is characterised in that the RACH that can initiate the carrier wave of Stochastic accessing is matched somebody with somebody Confidence breath includes at least one of following information：

Maximum transmission times, power increment parameter, RACH list and the wireless heterogeneous networks of random access sequence Cell when failure is established in RRC connections selects or the additional bias of gravity treatment.

7. according to the method for claim 2, it is characterised in that the physical accidental access letter of the carrier wave of Stochastic accessing can be initiated Road configuration information includes at least one of following information：

The circulating prefix-length of Physical Random Access Channel, reference signal receive level threshold information list and physics with Machine accesses the parameter list of channel；

Wherein, the parameter list include the cycle of Physical Random Access Channel, Physical Random Access Channel initial time, At least one ginseng in the subcarrier biasing of Physical Random Access Channel and the subcarrier number of Physical Random Access Channel Number.

8. according to the method described in any one of claim 1~7, it is characterised in that if the terminal is in RRC Idle state, institute Stating terminal needs to establish RRC connections or terminal recovery RRC connections；The terminal is according to the random access information, from can In the carrier wave for initiating Stochastic accessing, a carrier wave is selected to initiate Stochastic accessing, including：

The terminal determines to receive the carrier wave of paging；

The terminal from the random access information, determine it is described receive paging carrier wave random access information, and according to The random access information of the carrier wave for receiving paging, on the carrier wave for receiving paging, initiate Stochastic accessing.

9. according to the method described in any one of claim 1~7, it is characterised in that the terminal is believed according to the Stochastic accessing Breath, from the carrier wave that can initiate Stochastic accessing, a carrier wave is selected to initiate Stochastic accessing, including：

The terminal is received in the physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing for referring to Show that terminal initiates the indication signaling of Stochastic accessing；

The terminal determines the Stochastic accessing letter of any carrier wave for initiating Stochastic accessing from the random access information Breath, and according to the random access information of any carrier wave for initiating Stochastic accessing, any Stochastic accessing is initiated described Carrier wave on, initiate Stochastic accessing.

10. according to the method described in any one of claim 1~7, it is characterised in that if the terminal be in RRC connected states or The terminal, which has upstream data to reach, to be needed to initiate Stochastic accessing；The terminal is according to the random access information, from can initiate In the carrier wave of Stochastic accessing, a carrier wave is selected to initiate Stochastic accessing, including：

The terminal determines Stochastic accessing letter of the network side for the secondary carrier of terminal configuration from the random access information Breath, and according to identified random access information, in the secondary carrier that network side is terminal configuration, initiate Stochastic accessing.

11. according to the method described in any one of claim 1~7, it is characterised in that the terminal is believed according to the Stochastic accessing Breath, from the carrier wave that can initiate Stochastic accessing, before selecting a carrier wave initiation Stochastic accessing, in addition to：The terminal according to The switching command that network side is sent, determine the Target cell and target carrier of network side configuration；

The terminal is according to the random access information, from the carrier wave that can initiate Stochastic accessing, select a carrier wave initiate with Machine accesses, including：The terminal in the target carrier, is initiated in institute according to the random access information of the target carrier State the Stochastic accessing of Target cell.

12. according to the method for claim 11, it is characterised in that the terminal reception can initiate the carrier wave of Stochastic accessing Random access information, including：

The terminal receives the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell, and from described random In access information, the random access information of the target carrier is determined.

13. according to the method described in any one of claim 1~7, it is characterised in that if the terminal be in RRC connected states and It is moved to the edge of current area；Or the terminal is in RRC connection reconstruction states；

The terminal is according to the random access information, from the carrier wave that can initiate Stochastic accessing, select a carrier wave initiate with Before machine access, in addition to：The terminal determines Target cell；

The terminal receives the random access information for the carrier wave that can initiate Stochastic accessing, including：The terminal receives the target The random access information of the carrier wave of Stochastic accessing can be initiated in cell；

The terminal is according to the random access information, from the carrier wave that can initiate Stochastic accessing, select a carrier wave initiate with Machine accesses, including：

The terminal determines to receive the carrier wave of paging in the Target cell, from the random access information, it is determined that described The random access information of the carrier wave of paging is received in Target cell, it is small in the target according to identified random access information On the carrier wave that paging is received in area, Stochastic accessing is initiated；Or

The carrier wave for initiating Stochastic accessing that the terminal randomly chooses the terminal and network side is supported, connects at random from described Enter in information, it is determined that the random access information of selected carrier wave, and according to identified random access information, selected Stochastic accessing is initiated on carrier wave.

14. a kind of accidental access method, it is characterised in that methods described includes：

Network side will can initiate the random access information of the carrier wave of Stochastic accessing, be sent to terminal, described to initiate Stochastic accessing Carrier wave include main carrier and secondary carrier；

15. according to the method for claim 14, it is characterised in that the random access information is included in following information extremely Few one kind：The RACH configuration of the attribute information that the carrier wave of Stochastic accessing can be initiated, the carrier wave that Stochastic accessing can be initiated Information and can initiate Stochastic accessing carrier wave physical random access channel configuration information.

16. according to the method for claim 15, it is characterised in that the random access information also includes：

17. according to the method for claim 15, it is characterised in that the random access information also includes：

Or

18. according to the method for claim 15, it is characterised in that can initiate the attribute information of the carrier wave of Stochastic accessing includes At least one of following information：

19. according to the method for claim 15, it is characterised in that the RACH of the carrier wave of Stochastic accessing can be initiated Configuration information includes at least one of following information：

20. according to the method for claim 15, it is characterised in that the physical accidental access of the carrier wave of Stochastic accessing can be initiated Channel configuration information includes at least one of following information：

21. according to the method described in any one of claim 14~20, it is characterised in that network side will can initiate Stochastic accessing The random access information of carrier wave, terminal is sent to, including：

Network side will can initiate the Stochastic accessing letter of the carrier wave of Stochastic accessing by the system information of the main carrier in the cell Breath, is sent to terminal；Or

Network side, by the random access information that network side is the target carrier that the terminal configures, is sent to by switching command The terminal.

22. a kind of terminal, it is characterised in that the terminal includes：

Receiving module, for receiving the random access information for the carrier wave that can initiate Stochastic accessing, the Stochastic accessing of initiating Carrier wave includes main carrier and secondary carrier；

AM access module, for according to the random access information, from the carrier wave that can initiate Stochastic accessing, selecting a carrier wave hair Play Stochastic accessing.

23. terminal according to claim 22, it is characterised in that the random access information is included in following information extremely Few one kind：The RACH configuration of the attribute information that the carrier wave of Stochastic accessing can be initiated, the carrier wave that Stochastic accessing can be initiated Information and can initiate Stochastic accessing carrier wave physical random access channel configuration information.

24. terminal according to claim 23, it is characterised in that the random access information also includes：

25. terminal according to claim 23, it is characterised in that the random access information also includes：

Or

26. terminal according to claim 23, it is characterised in that the attribute information bag of the secondary carrier of Stochastic accessing can be initiated Include at least one of following information：

27. terminal according to claim 23, it is characterised in that the RACH of the carrier wave of Stochastic accessing can be initiated Configuration information includes at least one of following information：

28. terminal according to claim 23, it is characterised in that the physical accidental access of the carrier wave of Stochastic accessing can be initiated Channel configuration information includes at least one of following information：

29. according to the terminal described in any one of claim 22~28, it is characterised in that if the terminal be in RRC Idle state, The terminal needs to establish RRC connections or the terminal recovers RRC connections；The AM access module is specifically used for：

It is determined that receive the carrier wave of paging；From the random access information, the Stochastic accessing of the carrier wave for receiving paging is determined Information, and according to the random access information of the carrier wave for receiving paging, on the carrier wave for receiving paging, initiation connects at random Enter.

30. according to the terminal described in any one of claim 22~28, it is characterised in that the AM access module is specifically used for：

Receive in physical downlink control channel PDCCH on any carrier wave for initiating Stochastic accessing and sent out for instruction terminal Play the indication signaling of Stochastic accessing；

From the random access information, the random access information of any carrier wave for initiating Stochastic accessing, and root are determined According to the random access information of any carrier wave for initiating Stochastic accessing, in any carrier wave for initiating Stochastic accessing On, initiate Stochastic accessing.

31. according to the terminal described in any one of claim 22~28, it is characterised in that if the terminal be in RRC connected states, Or the terminal has upstream data arrival to need to initiate Stochastic accessing；The AM access module is specifically used for：

From the random access information, random access information of the network side for the secondary carrier of terminal configuration, and root are determined According to identified random access information, in the secondary carrier that network side is terminal configuration, Stochastic accessing is initiated.

32. according to the terminal described in any one of claim 22~28, it is characterised in that the AM access module is specifically used for：

The switching command sent according to network side, determine the Target cell and target carrier of network side configuration；According to the target The random access information of carrier wave, in the target carrier, initiate the Stochastic accessing in the Target cell.

33. terminal according to claim 32, it is characterised in that the receiving module is specifically used for：

Receive the random access information for the carrier wave that Stochastic accessing can be initiated in the Target cell, and from the random access information In, determine the random access information of the target carrier.

34. according to the terminal described in any one of claim 22~28, it is characterised in that if the terminal is in RRC connected states And it is moved to the edge of current area；Or the terminal is in RRC connection reconstruction states；The AM access module is specifically used for： Determine Target cell；

Determine to receive the carrier wave of paging in the Target cell, from the random access information, determine the Target cell The random access information of the middle carrier wave for receiving paging, according to identified random access information, is received in the Target cell On the carrier wave of paging, Stochastic accessing is initiated；Or the random selection terminal and network side support initiate Stochastic accessing Carrier wave, from the random access information, it is determined that the random access information of selected carrier wave, and according to identified random Access information, Stochastic accessing is initiated on selected carrier wave；

The receiving module is specifically used for：Receive the Stochastic accessing letter for the carrier wave that Stochastic accessing can be initiated in the Target cell Breath.

35. a kind of network side equipment, it is characterised in that the network side equipment includes：

Sending module, for the random access information of the carrier wave of Stochastic accessing will can be initiated, be sent to terminal, it is described initiate with The carrier wave of machine access includes main carrier and secondary carrier；

36. equipment according to claim 35, it is characterised in that the random access information is included in following information extremely Few one kind：The RACH configuration of the attribute information that the carrier wave of Stochastic accessing can be initiated, the carrier wave that Stochastic accessing can be initiated Information and can initiate Stochastic accessing carrier wave physical random access channel configuration information.

37. equipment according to claim 36, it is characterised in that the random access information also includes：

38. equipment according to claim 36, it is characterised in that the random access information also includes：

Or

39. equipment according to claim 36, it is characterised in that can initiate the attribute information of the carrier wave of Stochastic accessing includes At least one of following information：

40. equipment according to claim 36, it is characterised in that the RACH of the carrier wave of Stochastic accessing can be initiated Configuration information includes at least one of following information：

41. equipment according to claim 36, it is characterised in that the physical accidental access of the carrier wave of Stochastic accessing can be initiated Channel configuration information includes at least one of following information：

42. according to the equipment described in any one of claim 35~41, it is characterised in that the sending module is specifically used for：

By the system information of the main carrier in the cell, the random access information of the carrier wave of Stochastic accessing will can be initiated, is sent out Give terminal；Or

By switching command, the random access information that the network side equipment is the target carrier that the terminal configures is sent To the terminal.