CN106792497A - Base station, user equipment and its cut-in method - Google Patents
Base station, user equipment and its cut-in method Download PDFInfo
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- CN106792497A CN106792497A CN201610971372.8A CN201610971372A CN106792497A CN 106792497 A CN106792497 A CN 106792497A CN 201610971372 A CN201610971372 A CN 201610971372A CN 106792497 A CN106792497 A CN 106792497A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000004044 response Effects 0.000 claims abstract description 94
- 230000005540 biological transmission Effects 0.000 claims description 63
- 238000012546 transfer Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000011664 signaling Effects 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
Base station, user equipment and its accidental access method, methods described include：The configuration information of random access resource is broadcasted to user equipment, to cause that the user equipment obtains the information of random access resource；Receive the first message that the user equipment uses configured random access resource to send；Corresponding random access lead code and Stochastic accessing related information are parsed from the first message；Based on the Stochastic accessing related information that parsing is obtained, the information of the receiving position of corresponding accidental access response is determined；Using the corresponding sub-band resources of identified receiving position accidental access response is sent to the user equipment.Above-mentioned scheme, can save random access resource, and improve the efficiency of Stochastic accessing.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of base station, user equipment and its accidental access method.
Background technology
With the development of the communication technology, in increasing application field, such as game on line, virtual reality, industry inspection
The fields such as survey, car networking, the requirement more and more higher to communication delay, user expects that the end-to-end time delay of communication is shorter and shorter, in
It is that the 5th third-generation mobile communication technology (5G) is arisen at the historic moment.
5th third-generation mobile communication technology (5G) is the Main way of Technology of New Generation Mobile Communications development, is future new era
The important component of information infrastructure.
In the prior art, in access to communication networks, user equipment needs to initiate Stochastic accessing, to carry out uplink synchronous.
But, the random access procedure of existing user equipment needs 4 steps, there is the wasting of resources, and inefficiency problem.
The content of the invention
The technical problem that the embodiment of the present invention is solved is how to save random access resource, and improves the effect of Stochastic accessing
Rate.
To solve the above problems, a kind of accidental access method of user equipment, methods described are the embodiment of the invention provides
Including：The configuration information of random access resource is broadcasted to user equipment, to cause that the user equipment obtains random access resource
Information；Receive the first message that the user equipment uses configured random access resource to send；From the first message
In parse corresponding random access lead code and Stochastic accessing related information；The Stochastic accessing obtained based on parsing associates letter
Breath, determines the information of the receiving position of corresponding accidental access response；Use the corresponding sub-band resources of identified receiving position
Accidental access response is sent to the user equipment.
Alternatively, the Stochastic accessing related information includes access style and accesses at least one of purpose.
Alternatively, the access style is：Wide-band type or narrowband type.
Alternatively, the access purpose is：Request System message sends low time delay data.
Alternatively, when the access purpose in the first message is Request System message, in the accidental access response
Schedule information including the system message, to cause that the user equipment is based on the schedule information of the system message, obtains
The system message.
Alternatively, when the access purpose in the first message be transmission delay data when, using with the first message
Send the time that the time has the time interval of 1 TTI, or preferential send the Stochastic accessing to the user equipment and ring
Should.
Alternatively, when the access purpose in the first message is transmission delay data, the accidental access response bag
Include the corresponding resource scheduling information of data transfer more than twice.
The embodiment of the present invention additionally provides the accidental access method of another user equipment, including：Base station is obtained to be configured
Random access resource configuration information, and determine corresponding random access resource；When Stochastic accessing is carried out, using being determined
Random access resource to base station send first message, the first message include random access lead code and access related information
Information, to cause the base station to be based on to parse the access related information for obtaining in the first message to determine corresponding to connect at random
Enter the receiving position of response；The Stochastic accessing sound that the base station sends is received in the receiving position of corresponding accidental access response
Should.
Alternatively, the Stochastic accessing related information includes access style and accesses at least one of purpose.
Alternatively, the access style is：Wide-band type or narrowband type.
Alternatively, the access purpose is：Request System message sends low time delay data.
Alternatively, when the access purpose in the first message is Request System message, also include：Connect at random from described
Enter the schedule information that the system message is parsed in responding, and the schedule information based on the system message, obtain the system
System message.
Alternatively, when the access purpose in the first message is transmission delay data, the accidental access response
There is 1 time of the time interval of TTI, or preferential transmission between reception time and the transmission time of the first message.
Alternatively, when the access purpose in the first message is transmission delay data, methods described also includes：From institute
State and parse the corresponding resource scheduling information of data transfer more than twice in accidental access response；Based on parsing more than twice
The corresponding resource scheduling information of data transfer, determines corresponding data transmission resources；Using identified data transmission resources with
Carry out data transmission between the base station.
The embodiment of the present invention additionally provides a kind of base station, including：Radio unit, is suitable to broadcast Stochastic accessing to user equipment
The configuration information of resource, to cause that the user equipment obtains the information of random access resource；First receiving unit, is suitable to receive
The user equipment uses the first message that configured random access resource sends；First resolution unit, is suitable to from described
Corresponding random access lead code and Stochastic accessing related information are parsed in one message；First determining unit, is suitable to based on solution
The Stochastic accessing related information that analysis is obtained, determines the information of the receiving position of corresponding accidental access response；First transmitting element,
It is adapted in use to the corresponding sub-band resources of identified receiving position to send accidental access response to the user equipment.
Alternatively, the Stochastic accessing related information includes access style and accesses at least one of purpose.
Alternatively, the access style is：Wide-band type or narrowband type.
Alternatively, the access purpose is：Request System message sends low time delay data.
Alternatively, when the access purpose in the first message is Request System message, in the accidental access response
Schedule information including the system message, to cause that the user equipment is based on the schedule information of the system message, obtains
The system message.
Alternatively, first transmitting element, is suitable to when the access purpose in the first message is transmission delay data
When, the Stochastic accessing is sent to the user equipment using the time interval most short with the transmission time of the first message and is rung
Should.
Alternatively, when the access purpose in the first message is transmission delay data, the accidental access response bag
Include the corresponding resource scheduling information of data transfer more than twice.
The embodiment of the present invention additionally provides a kind of user equipment, and the user equipment includes：First acquisition unit, is suitable to obtain
The configuration information of the random access resource that base station is configured is taken, and determines corresponding random access resource；Second transmitting element, fits
In when Stochastic accessing is carried out, first message, the first message bag are sent to base station using identified random access resource
Include random access lead code and access the information of related information, obtained with causing that the base station is based on being parsed in the first message
Access related information determine the receiving position of corresponding accidental access response；Second receiving unit, is suitable to corresponding random
The receiving position for accessing response receives the accidental access response that the base station sends.
Alternatively, the Stochastic accessing related information includes access style and accesses at least one of purpose.
Alternatively, the access style is：Wide-band type or narrowband type.
Alternatively, the access purpose is：Request System message sends low time delay data.
Alternatively, the user equipment also includes：Second acquisition unit, is suitable to when the access purpose in the first message
During for Request System message, the schedule information of the system message is parsed from the accidental access response, and based on described
The schedule information of system message, obtains the system message.
Alternatively, when the access purpose in the first message is transmission delay data, the accidental access response
There is 1 time of the time interval of TTI, or preferential transmission between reception time and the transmission time of the first message.
Alternatively, the user equipment also includes：Second resolution unit, is suitable to when the access purpose in the first message
During for transmission delay data, the corresponding scheduling of resource letter of data transfer more than twice is parsed from the accidental access response
Breath；Second determining unit, based on the corresponding resource scheduling information of data transfer more than twice for parsing, determines corresponding data
Transfer resource；Data transmission unit, is adapted in use to carry out data transmission between identified data transmission resources and the base station.
Compared with prior art, technical scheme has the following advantages that：
Above-mentioned scheme, user equipment uses the configuration of the random access resource of base station broadcast when Stochastic accessing is carried out
Information determines corresponding random access resource, and random access resource sends first message determined by, disappears due to first
Breath includes random access lead code and access related information, can cause that base station is based on the access related information and determines correspondence
Accidental access response receiving position and using corresponding sub-band resources send accidental access response, with cause different access classes
The user equipment of type can have correctly received the accidental access response, such that it is able to improve the efficiency of Stochastic accessing, and nothing
Random access resource need to be respectively configured for the user equipment of different access styles, random access resource can be saved.
Further, the first message that user equipment sends includes accessing the information of purpose so that base station can be for not
With the corresponding resource of user equipment allocation of access purpose, thus the efficiency of Stochastic accessing can be improved.
Further, when the access purpose in the first message for send low time delay data when, base station can use with
The user equipment sends time interval between the first message most short time, accidental access response is sent to user and is set
It is standby, the demand of the low time delay data transfer of user equipment can be met, the flexibility of data transfer is improved, meet user equipment
Enriched data transmission demand.
Further, when the access purpose in the first message is to send low time delay data, base station can be random
It is the schedule information of the corresponding resource of user device configuration data transfer more than twice to access response, so as to obtain user equipment exist
Multiple data transfer is carried out in random access procedure, compared with the random access procedure that can only carry out a data transfer,
The speed of data transfer can be improved, thus the demand of the low time delay data transfer of user equipment can be met, lifting user's
Experience.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the accidental access method of the user equipment in the embodiment of the present invention；
Fig. 2 is the flow chart of the accidental access method of another user equipment in the embodiment of the present invention；
Fig. 3 is a kind of Signalling exchange flow chart of the accidental access method of the user equipment in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of the base station in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of the user equipment in the embodiment of the present invention.
Specific embodiment
To solve the above-mentioned problems in the prior art, the technical scheme that the embodiment of the present invention is used passes through user equipment
When Stochastic accessing is carried out, corresponding random access resource is determined using the configuration information of the random access resource of base station broadcast,
And random access resource sends first message and Stochastic accessing related information determined by, can cause that base station is based on described
Related information is accessed to determine the receiving position of corresponding accidental access response and send Stochastic accessing using corresponding sub-band resources
Response, to cause that the user equipment of different access styles can have correctly received the accidental access response, such that it is able to carry
The efficiency of Stochastic accessing high, and save random access resource.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Fig. 1 shows a kind of flow chart of the accidental access method of the user equipment in the embodiment of the present invention.Referring to Fig. 1,
The accidental access method of the user equipment in the embodiment of the present invention, can include the steps：
Step S101：The configuration information of random access resource is broadcasted to user equipment, to cause that the user equipment is obtained
The information of random access resource.
In specific implementation, base station can broadcast Stochastic accessing by system broadcasts to the user equipment of all access styles
The configuration information of resource, namely the user equipment of different access styles can be carried out using the resource in same random access resource pond
Stochastic accessing.
Step S102：Receive the first message that the user equipment uses configured random access resource to send.
In specific implementation, the first message includes corresponding random access lead code and accesses related information.Its
In, accessing related information can include access style and access at least one of purpose, namely access related information can be wrapped only
Access style is included, or only includes accessing purpose, or can also simultaneously included access style and access purpose.Class is accessed herein
Type refers to the type of user equipment, and such as user equipment is to support broadband access or only support narrow band access.
Step S103：Corresponding random access lead code is parsed from the first message letter is associated with Stochastic accessing
Breath.
In specific implementation, base station, can be from received the when the first message of user equipment transmission is received
Random access lead code and Stochastic accessing related information are parsed in one message.Wherein, Stochastic accessing related information, for base station
Determine the receiving position of the accidental access response of user equipment.
Step S104：Based on the Stochastic accessing related information that parsing is obtained, the reception of corresponding accidental access response is determined
The information of position.
In specific implementation, Stochastic accessing related information has corresponding relation with the receiving position of accidental access response, leads to
Stochastic accessing related information is crossed, the information of the receiving position of corresponding accidental access response just can be determined.
Step S105：Using the corresponding sub-band resources of identified receiving position Stochastic accessing is sent to the user equipment
Response.
In specific implementation, base station it is determined that accidental access response receiving position when, can using determined by reception
The corresponding sub-band resources in position are to the corresponding accidental access response of user device transmissions, so as to obtain user equipment can connect exactly
The accidental access response of base station transmission, and the resource distribution in accidental access response are received, data are transmitted to base station, until
Random access procedure terminates.
For the user equipment of narrowband type, when it is accessed, base station is necessary to ensure that the band shared by accidental access response
Width is not higher than the reception bandwidth of narrowband type user equipment.Base station can be directed to broadband and the user equipment of narrowband type is divided not
Same subband is used to transmit accidental access response.
The accidental access method in the embodiment of the present invention is described with from base station side, here is to this from user side
The accidental access method of the user equipment in invention example is introduced.
Referring to Fig. 2, the accidental access method of another user equipment in the embodiment of the present invention can include following step
Suddenly：
Step S201：The configuration information of the random access resource that base station is configured is obtained, and determines corresponding Stochastic accessing
Resource.
Step S202：When Stochastic accessing is carried out, first message is sent to base station using identified random access resource.
In specific implementation, the user equipment carries random access lead code in the first message and is associated with access
The information of information, with cause the base station be based on the first message in parse the access related information for obtaining determine it is corresponding with
Machine accesses the receiving position of response.
Step S203：The Stochastic accessing sound that the base station sends is received in the receiving position of corresponding accidental access response
Should.
Above-mentioned scheme, user equipment uses the configuration of the random access resource of base station broadcast when Stochastic accessing is carried out
Information determines corresponding random access resource, and random access resource sends first message determined by, disappears due to first
Breath includes random access lead code and access related information, can cause that base station is based on the access related information and determines correspondence
Accidental access response receiving position and using corresponding sub-band resources send accidental access response, with cause different access classes
The user equipment of type can have correctly received the accidental access response, such that it is able to improve the efficiency of Stochastic accessing, and nothing
Random access resource need to be respectively configured for the user equipment of different access styles, random access resource can be saved.
The accidental access method of the user equipment in the embodiment of the present invention will be further described in detail below.
The accidental access method of the user equipment in the embodiment of the present invention shown in Figure 3, is suitable to user equipment to base
Stand and send upstream data, can specifically include the steps：
Step S301：Base station broadcasts the configuration information of random access resource to user equipment, to cause the user equipment
Obtain the information of random access resource.
In specific implementation, base station can broadcast Stochastic accessing by system message to the user equipment of all access styles
The information of the configuration of resource, the user equipment in Idle state and the user equipment in connected state can be wide using base station institute
The corresponding random access resource of configuration information of the random access resource broadcast carries out Stochastic accessing.In other words, it is different to access class
The user equipment of type, including wide-band type user equipment and the user equipment of narrowband type, can be using same random
Random access resource in access-in resource pond carries out Stochastic accessing, without the user device configuration for different access styles
Different random access resource ponds, therefore the complexity of random access resource configuration can be reduced, and save the resource of Stochastic accessing.
Step S302：When needing to carry out Stochastic accessing, the user equipment sends first message to the base station.
In specific implementation, the random access resource that the user equipment of different access styles can be broadcasted according to base station
The information of configuration, determines corresponding random access resource, and when needing to carry out Stochastic accessing, uses identified Stochastic accessing
Resource sends first message to base station.Wherein, the first message includes random access lead code (Preamble) and connects at random
Enter related information.
In specific implementation, the random access lead code in first message can take a Transmission Time Interval
Partial orthogonality frequency division multiplexing (Orthogonal Frequency in (Transmission Time Interval, TTI)
Division Multiplexing, OFDM) symbol.For example, when a TTI includes 14 OFDM symbols, random access guiding
Code can take 10 OFDM symbols in a TTI, and Stochastic accessing related information can take remaining 4 OFDM symbols.
In specific implementation, the Stochastic accessing related information can include accessing at least one in purpose and access style
Kind.Wherein, the access style of first message can be narrowband type or wide-band type；The access purpose of first message can be
Request System message sends low time delay data.
Step S303：The base station receives the first message, is parsed from the first message and corresponding connect at random
Enter lead code and Stochastic accessing related information, and the user equipment is determined based on the Stochastic accessing related information that parsing is obtained
The receiving position of accidental access response.
In specific implementation, base station can solve when the first message that user equipment sends is received to first message
Analysis, to obtain the random access lead code and Stochastic accessing related information that carry in first message, and based on acquired random
Related information is accessed, the information of the receiving position of accidental access response is determined.
Step S304：The base station corresponding sub-band resources of receiving position determined by send described to user equipment
Accidental access response.
In specific implementation, for the user equipment of wide-band type, it can receive base station transmission in full frequency band bandwidth
Accidental access response.Therefore, base station can determine to choose transmission Stochastic accessing in full frequency band bandwidth according to the actual needs
The receiving position of response, and send Stochastic accessing sound to user equipment in the selected corresponding sub-band resources of receiving position
Should.
For the user equipment of narrowband type, its information that base station transmission can be only received in limited bandwidth resources.
Therefore, base station, only can be using less than or equal to arrowband class when it is determined that the access style in first message is narrowband type
The subband of the maximum transmission bandwidth of the user equipment of type is to user device transmissions accidental access response.Certainly, user equipment is in hair
When sending first message, the access style in first message can not only include the information of narrowband type, also including narrowband type
The information of the maximum transmission bandwidth of user equipment, to cause that base station obtains the information of the maximum transmission bandwidth of narrowband type.
When the access purpose in the first message that user equipment sends is Request System message, the access in first message
Purpose can specifically include acquisition what type of system message or which System information block or which System information block.Together
When, the system message that base station can also be asked to user device transmissions in different ways according to the actual needs.In hair
In a bright embodiment, base station can send asked system information by the way of broadcast to user equipment.For example, for being
System message blocks 3, the accidental access response transmitted by base station includes the schedule information of the system message that user equipment is asked.With
Family equipment when the accidental access response of base station transmission is received, can be parsed from accidental access response obtain being asked be
The schedule information of message of uniting, and according to the schedule information of the system message asked for obtaining is parsed, obtain asked system
Message.In an alternative embodiment of the invention, base station can be to what user equipment transmission was asked by the way of dedicated signaling
System message.Now, base station can be sent and asked by RRC signaling after the success of user equipment Stochastic accessing to user equipment
System message.
In specific implementation, when the access purpose in first message is to send low time delay data, set to meet user
Standby low time delay data transfer demands, base station such as can have 1 using the transmission time with first message as quickly as possible
The time of the time interval of TTI is preferential to the corresponding accidental access response of user equipment transmission, and in accidental access response
Instruction user equipment sends the configuration information of the resource of low time delay data, so that obtaining user equipment can obtain resource using correspondence
Send low time delay data；Or, base station can also in accidental access response for user equipment allocation transmission more than twice (including
The configuration information of the resource of low time delay data twice), so as to obtain user equipment can be transmitted to base station using corresponding resource
Low time delay data more than once, such that it is able to meet the transmission demand of the low time delay data of user equipment.
Step S305：The user equipment receives the accidental access response.
In specific implementation, user equipment, can be from received when the accidental access response of base station transmission is received
Accidental access response in parse the schedule information of corresponding resource, corresponding transmission is determined based on the schedule information for parsing
Resource, and transfer resource sends data, namely transmission message 3 (MSG3) to base station determined by.Wherein, for Idle state
User equipment, message 3 includes RRC connection request；For the user equipment for implementing switching, message 3 includes corresponding cutting
Change completion information.Finally, when base station is when it is determined that the data transfer of user equipment is finished, corresponding competition is sent to user equipment
Message is solved, the random access procedure of user terminates.
The data transmission method in the embodiment of the present invention is described in detail above, to make those skilled in the art
The embodiment of the present invention is more fully understood and realized, the above-mentioned corresponding device of method will be described below.
Fig. 4 shows a kind of structure of the base station in the embodiment of the present invention.Referring to Fig. 4, base station 400 can include that broadcast is single
First 401, first receiving unit 402, the first resolution unit 403, the first determining unit 404 and the first transmitting element 405, wherein：
Radio unit 401, is suitable to be broadcasted to user equipment the configuration information of random access resource, to cause that the user sets
The standby information for obtaining random access resource.
First receiving unit 402, is suitable to receive the user equipment uses that configured random access resource sends
One message.
First resolution unit 403, is suitable to be parsed from the first message corresponding random access lead code and random
Access related information.
First determining unit 404, is suitable to the Stochastic accessing related information obtained based on parsing, determines corresponding Stochastic accessing
The information of the receiving position of response.In specific implementation, the Stochastic accessing related information can include access style and access
At least one of purpose.Wherein, the access style is：Wide-band type or narrowband type；It is described access purpose be：Request System
Message sends low time delay data.
First transmitting element 405, is adapted in use to the corresponding sub-band resources of identified receiving position to the user equipment
Send accidental access response.
In one embodiment of the invention, when the access purpose in the first message is Request System message, such as request is
During system message blocks 1, the accidental access response includes the schedule information of the system message, to cause the user equipment base
In the schedule information of the system message, the system message is obtained.
In an alternative embodiment of the invention, first transmitting element 405, is suitable to when the access mesh in the first message
For transmission delay data when, send the time that the time has the time interval of 1 TTI using with the first message；Or
Person, preferentially sends the accidental access response to the user equipment；Or, when the access purpose in the first message is hair
When sending low time delay data, the accidental access response includes the corresponding resource scheduling information of data transfer more than twice.
Fig. 5 shows a kind of structure of the user equipment in the embodiment of the present invention.Referring to Fig. 5, user equipment 500 can be wrapped
First acquisition unit 501, the second transmitting element 502 and the second receiving unit 503 are included, wherein：
First acquisition unit 501, is suitable to obtain the configuration information of the random access resource that base station is configured, and determine correspondence
Random access resource.
Second transmitting element 502, is suitable to, when Stochastic accessing is carried out, be sent out to base station using identified random access resource
First message is sent, the first message includes random access lead code and accesses the information of related information, to cause the base station
The access related information obtained based on parsing in the first message determines the receiving position of corresponding accidental access response.Its
In, the Stochastic accessing related information can include access style and access at least one of purpose.Wherein, the access style
For：Wide-band type or narrowband type；It is described access purpose be：Request System message sends low time delay data.
Second receiving unit 503, the receiving position being suitable in corresponding accidental access response receives what the base station sent
Accidental access response.
In this specific implementation, the user equipment 500 can also include second acquisition unit 504, wherein：
Second acquisition unit 504, is suitable to when the access purpose in the first message is Request System message, from described
The schedule information of the system message, and the schedule information based on the system message are parsed in accidental access response, is obtained
The system message.
In an embodiment of the present invention, second receiving unit 503, is further adapted for when the access mesh in the first message
Be Request System message, and when Stochastic accessing is completed, receive the base station and disappeared by the system that RRC signaling sends
Breath.
In an embodiment of the present invention, it is described when the access purpose in the first message is to send low time delay data
Receiving between time and the transmission time of the first message for accidental access response has 1 time of the time interval of TTI,
Or preferential transmission.
In this specific implementation, the user equipment 500 can also include the second resolution unit 505, the second determining unit
506 and data transmission unit 507, wherein：
Second resolution unit 505, is suitable to when the access purpose in the first message is transmission delay data, from described
The corresponding resource scheduling information of data transfer more than twice is parsed in accidental access response；
Second determining unit 506, based on the corresponding resource scheduling information of data transfer more than twice for parsing, it is right to determine
The data transmission resources answered；
Data transmission unit 507, is adapted in use to carry out data biography between identified data transmission resources and the base station
It is defeated.
Using the such scheme in the embodiment of the present invention, user equipment uses base station broadcast when Stochastic accessing is carried out
The configuration information of random access resource determines corresponding random access resource, and the random access resource determined by sends the
One message, because first message includes random access lead code and accesses related information, can cause that base station is based on described connecing
Enter related information to determine the receiving position of corresponding accidental access response and send Stochastic accessing sound using corresponding sub-band resources
Should, to cause that the user equipment of different access styles can have correctly received the accidental access response, such that it is able to improve
The efficiency of Stochastic accessing, and need not be different access styles user equipment be respectively configured random access resource, can save with
Machine access-in resource.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completed with instructing the hardware of correlation by program, the program can be stored in computer-readable recording medium, storage is situated between
Matter can include：ROM, RAM, disk or CD etc..
The method and system to the embodiment of the present invention have been described in detail above, and the present invention is not limited thereto.Any
Art personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (28)
1. a kind of accidental access method of user equipment, it is characterised in that including：
The configuration information of random access resource is broadcasted to user equipment, to cause that the user equipment obtains random access resource
Information；
Receive the first message that the user equipment uses configured random access resource to send；
Corresponding random access lead code and Stochastic accessing related information are parsed from the first message；
Based on the Stochastic accessing related information that parsing is obtained, the information of the receiving position of corresponding accidental access response is determined；
Using the corresponding sub-band resources of identified receiving position accidental access response is sent to the user equipment.
2. the accidental access method of user equipment according to claim 1, it is characterised in that the Stochastic accessing association letter
Breath includes access style and accesses at least one of purpose.
3. the accidental access method of user equipment according to claim 2, it is characterised in that the access style is：It is wide
Belt type or narrowband type.
4. the accidental access method of the user equipment according to Claims 2 or 3, it is characterised in that the access purpose is：
Request System message sends low time delay data.
5. the accidental access method of user equipment according to claim 4, it is characterised in that when in the first message
When accessing purpose for Request System message, the accidental access response includes the schedule information of the system message, to cause
The user equipment is based on the schedule information of the system message, obtains the system message.
6. the accidental access method of user equipment according to claim 4, it is characterised in that when in the first message
Purpose is accessed to send during low time delay data, using the time interval or preferential most short with the transmission time of the first message
The accidental access response is sent to the user equipment.
7. the accidental access method of user equipment according to claim 4, it is characterised in that when in the first message
Purpose is accessed to send during low time delay data, the accidental access response includes the corresponding scheduling of resource of data transfer more than twice
Information.
8. a kind of accidental access method of user equipment, it is characterised in that including：
The configuration information of the random access resource that base station is configured is obtained, and determines corresponding random access resource；
When Stochastic accessing is carried out, first message, the first message are sent to base station using identified random access resource
Information including random access lead code and access related information, to cause that the base station is based on being parsed in the first message
To access related information determine the receiving position of corresponding accidental access response；
The accidental access response that the base station sends is received in the receiving position of corresponding accidental access response.
9. the accidental access method of user equipment according to claim 8, it is characterised in that the Stochastic accessing association letter
Breath includes access style and accesses at least one of purpose.
10. the accidental access method of user equipment according to claim 9, it is characterised in that the access style is：It is wide
Belt type or narrowband type.
The accidental access method of 11. user equipment according to claim 9 or 10, it is characterised in that the access purpose
For：Request System message sends low time delay data.
The accidental access method of 12. user equipmenies according to claim 11, it is characterised in that when in the first message
Access purpose be Request System message when, also include：
The schedule information of the system message, and the scheduling based on the system message are parsed from the accidental access response
Information, obtains the system message.
The accidental access method of 13. user equipmenies according to claim 10, it is characterised in that when in the first message
Access purpose to send during low time delay data, during the transmission for receiving time and the first message of the accidental access response
Between between have 1 TTI time interval time or preferential send the accidental access response to the user equipment.
The accidental access method of 14. user equipmenies according to claim 10, it is characterised in that when in the first message
Access purpose for send low time delay data when, also include：
The corresponding resource scheduling information of data transfer more than twice is parsed from the accidental access response；
Based on the corresponding resource scheduling information of data transfer more than twice for parsing, corresponding data transmission resources are determined；
Carry out data transmission using between identified data transmission resources and the base station.
A kind of 15. base stations, it is characterised in that including：
Radio unit, is suitable to be broadcasted to user equipment the configuration information of random access resource, to cause that the user equipment is obtained
The information of random access resource；
First receiving unit, is suitable to receive the first message that the user equipment uses configured random access resource to send；
First resolution unit, is suitable to parse corresponding random access lead code from the first message and is associated with Stochastic accessing
Information；
First determining unit, is suitable to the Stochastic accessing related information obtained based on parsing, determines corresponding accidental access response
The information of receiving position；
First transmitting element, is adapted in use to the corresponding sub-band resources of identified receiving position to send random to the user equipment
Access response.
16. base stations according to claim 15, it is characterised in that the Stochastic accessing related information include access style and
Access at least one of purpose.
17. base stations according to claim 16, it is characterised in that the access style is：Wide-band type or narrowband type.
18. base station according to claim 16 or 17, it is characterised in that the access purpose is：Request System message or
Send low time delay data.
19. base stations according to claim 18, it is characterised in that first transmitting element, are suitable to disappear when described first
When access purpose in breath is Request System message, the accidental access response includes the schedule information of the system message,
To cause that the user equipment is based on the schedule information of the system message, the system message is obtained.
20. base stations according to claim 18, it is characterised in that first transmitting element, are suitable to disappear when described first
Access purpose in breath has 1 time of TTI to send during low time delay data using the time that sends with the first message
Interlude is preferential to the user equipment transmission accidental access response.
21. base stations according to claim 18, it is characterised in that when the access purpose in the first message is low to send
During delay data, the accidental access response includes the corresponding resource scheduling information of data transfer more than twice.
A kind of 22. user equipmenies, it is characterised in that including：
First acquisition unit, is suitable to obtain the configuration information of the random access resource that base station is configured, and determine corresponding random
Access-in resource；
Second transmitting element, is suitable to, when Stochastic accessing is carried out, first be sent to base station using identified random access resource
Message, the first message includes random access lead code and accesses the information of related information, to cause that the base station is based on institute
State the receiving position that the access related information that parsing is obtained in first message determines corresponding accidental access response；
Second receiving unit, the receiving position being suitable in corresponding accidental access response receives the Stochastic accessing that the base station sends
Response.
23. user equipmenies according to claim 22, it is characterised in that the Stochastic accessing related information includes accessing class
At least one of type and access purpose.
24. user equipmenies according to claim 23, it is characterised in that the access style is：Wide-band type or arrowband
Type.
25. user equipment according to claim 22 or 23, it is characterised in that the access purpose is：Request System disappears
Breath sends low time delay data.
26. user equipmenies according to claim 25, it is characterised in that also include：
Second acquisition unit, is suitable to, when the access purpose in the first message is Request System message, be connect at random from described
Enter the schedule information that the system message is parsed in responding, and the schedule information based on the system message, obtain the system
System message.
27. user equipmenies according to claim 25, it is characterised in that when the access purpose in the first message is hair
When sending low time delay data, receiving for the accidental access response has 1 between time and the transmission time of the first message
The time of the time interval of TTI, or it is preferential to the user equipment transmission accidental access response.
28. user equipmenies according to claim 25, it is characterised in that also include：
Second resolution unit, is suitable to, when the access purpose in the first message is transmission delay data, be connect at random from described
Enter in responding and parse the corresponding resource scheduling information of data transfer more than twice；
Second determining unit, based on the corresponding resource scheduling information of data transfer more than twice for parsing, determines corresponding number
According to transfer resource；
Data transmission unit, is adapted in use to carry out data transmission between identified data transmission resources and the base station.
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