CN105072700B - A kind of random access and its control method and device - Google Patents
A kind of random access and its control method and device Download PDFInfo
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- CN105072700B CN105072700B CN201510451469.1A CN201510451469A CN105072700B CN 105072700 B CN105072700 B CN 105072700B CN 201510451469 A CN201510451469 A CN 201510451469A CN 105072700 B CN105072700 B CN 105072700B
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- lead code
- random access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
Abstract
The invention discloses a kind of random access and its control method and device, to realize the access priority for distinguishing UE according to the random access lead code of UE, so that high-priority service UE (such as cluster UE) can be with priority access in accidental access stage.A kind of random access control method provided by the invention, comprising: base station receives the random access lead code that multiple user equipment (UE)s are sent；The base station determines the access priority of the UE according to the random access lead code of the UE for every UE；The base station carries out random access control according to the access priority of every UE.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of random access and its control method and device.
Background technique
Cluster typical services include individual calling, group is exhaled, right of speech is seized, and fast call establishment time delay and quick right of speech seize time delay
It is key index, for the index request for meeting fast delay time, the base station long term evolution (Long Term Evolution, LTE) passes through
Increase the dedicated paging of cluster and Traffic Channel, priority scheduling is carried out to group service, becomes trunked base station.Trunked base station supports collection
Group business and characteristic also support common LTE business simultaneously, to meet the requirement of various application scenarios.
The function that trunked base station is supported not only includes LTE trunked base station function, while also supporting LTE public network base station functions,
At cluster UE and public network UE and the scene deposited, need preferentially guarantee cluster UE access, but for initial access process and
LTEUE and cluster UE, the access priority of such cluster UE and LTE UE cannot be distinguished before information 2 (MSG2) process in speech
It does not just distinguish, leads to not the priority access for guaranteeing cluster UE.
In addition, being directed to the non-right of speech UE of group service in ECM-IDLE (a NAS signalling connection
Between UE and network is not established, ECM-IDLE) state when, if necessary to carry out right of speech rob
It accounts for, then firstly the need of by random access procedure core network access, completes right of speech and seize, if common UE is at same time point
Also random access procedure is carried out, conflict will be generated, leads to cluster UE random access failure, influences the time delay that right of speech is seized.
UE random access procedure, including random access procedure competition-based shown in FIG. 1 and shown in Fig. 2 be based on
Non-competing random access procedure.Random access procedure is used in six kinds of events, the purpose of random access be so that UE with it is small
(cell) establishes connection and obtains uplink synchronous in area.Uplink synchronous is only obtained, UE just can be carried out uplink, therefore at the beginning of UE
The access procedure of beginning, random access are the process of first and evolved base station (eNodeB) interaction, and above-mentioned is competition-based
Random access and based in non-competing random access procedure, the information transmitted in first step are referred to as MSG1, and second
The information transmitted in step is referred to as MSG2, and the information transmitted in third step is referred to as MSG3.
First step of random access procedure is transmitting random access preamble code (random access preamble).Before
The main function of leading code (Preamble) be tell eNodeB to have a random access request, and enable eNodeB estimate its with
Propagation delay time between UE so that eNodeB calibrates uplink timer (uplink timing), and calibration information is passed through
UE is informed in timing advance order (timing advance command).
Preamble is transmitted on Packet Random Access Channel (Packet Random Access Channel, PRACH).
ENodeB can notify all UE by broadcast system information (SIB2), allow transmit preamble on which running time-frequency resource
(can specifically be determined by prach-ConfigIndex and prach-FreqOffset field).
Each cell has 64 available preamble sequences, and UE can select one of them (or being specified by eNodeB) to exist
It is transmitted on PRACH.These sequences are segmented into two parts, and a part is used for random access competition-based, and another part is used for
Based on non-competing random access.Preamble sequence for random access competition-based can be divided into two groups again: group A
(Group A) and group B (Group B), wherein Group B may be not present.
Preamble sequence for random access competition-based be divided into the reason of Group A and Group B be in order to
Certain prior information is added, so that eNodeB distributes ascending resource appropriate to Msg3 in random access request (RAR).Such as
Subsequent Msg3 possible bigger, the size greater than GroupA is estimated when fruit UE access, and path loss (PL) is less than:
PCMAX,c–preambleInitialReceivedTargetPower–deltaPreambleMsg3–
messagePowerOffsetGroupB
Wherein, PCMAX,cIndicate the peak power output of UE, preambleInitialReceivedTargetPower is indicated
Random access initially receives target power, and deltaPreambleMsg3 indicates the power offset between lead code and MSG3,
MessagePowerOffsetGroupB indicates the power excursion of leading code character B.
Then, using the preamble in Group B；Otherwise, using the preamble in Group A.ENodeB in this way is just
Group belonging to capable of knowing the preamble according to the preamble received, to understand the substantially resource requirement of Msg3.Such as
Fruit is not grouped, and should just be configured using higher authorization (grant), can some upper line efficiencies of the loss of energy.Group A and Group B
In preamble sequence itself there is no too big difference, only their division is just meaningful, for telling eNodeB
Subsequent resource requirement.
What if UE was carried out be based on non-competing random access, such as it is non-competing under the handoff procedure of UE use
Preamble is directly specified by eNodeB.In order to avoid conflict, the preamble used at this time be except Group A and
Reserved preamble outside Group B.
Briefly: eNodeB sends random access channel configuration parameter (RACH-Config by broadcast (SIB2)
Common), grouping, threshold value, the power configuration of 3 size of Msg etc. of UE preamble are told.When UE initiates random access, root
According to possible 3 size of Msg and path loss (pathloss) etc., suitable group is selected.
The parameter configuration of random access procedure is completed by information unit (IE) RACH-Config Common, inner
Face contains the configuration of random access preamble.
Random access parameter configuration is included in RadioResourceConfigCommonSIB IE radio-resource-configuration
Face, RadioResourceConfigCommonSIB IE are included in inside SystemInformationBlockType2, and under
UE is issued, the parameter of the inside can be completed by Operation and Maintenance configuration.
Media access control (MAC) completes the scheduling of the time-frequency resource allocating and UE message of UE, (common for UEA
LTEUE when) and UEB (group service UE) is accessed simultaneously, i.e., same Transmission Time Interval (Transmitted Time
Interval, TTI) in receive random access request (Random Access Preamble) message, but running time-frequency resource can only
When meeting a UE, this when MAC layer be cannot be distinguished priority UE, can only one UE of random schedule, if scheduling
UEA, necessarily causes UEB access delay long or access failure, therefore high priority business time delay is caused not to be able to satisfy, or
Access failure.
In conclusion accidental access stage of the prior art for initial access process, does not distinguish the preferential of UE access
Grade, therefore cannot distinguish between the priority level of business, the descending scheduling and MSG3 resource for MSG2 in random access procedure it is upper
Row scheduling, then as common LTE UE, therefore cause high-priority service UE (cluster UE) to be unable to priority scheduling, in time-frequency
In the case that resource is nervous, common LTE UE access is also resulted in, and the case where group service failure.
Summary of the invention
The embodiment of the invention provides a kind of random access and its control method and device, to realize according to the random of UE
Access lead code distinguishes the access priority of UE, so that in accidental access stage, high-priority service UE (such as cluster
It UE) can be with priority access.
A kind of random access control method provided in an embodiment of the present invention, comprising:
Base station receives the random access lead code that multiple user equipment (UE)s are sent；
The base station determines the access priority of the UE according to the random access lead code of the UE for every UE；
The base station carries out random access control according to the access priority of every UE.
In this way, base station receives the random access lead code that multiple UE are sent；The base station is directed to every UE, according to
The random access lead code of the UE determines the access priority of the UE；The base station is carried out according to the access priority of every UE
Random access control, it is achieved that according to the random access lead code of UE distinguish UE access priority so that with
Machine access phase, high-priority service UE (such as cluster UE) can be with priority access, it is ensured that the high-priority services such as group service
It is preferential to obtain running time-frequency resource, random access is carried out, causes running time-frequency resource to exhaust without the random access procedure because of common UE,
The right of speech preemption processes of cluster UE are influenced, and then influence group service.
Preferably, the base station determines that the access of the UE is preferential according to the random access lead code of the UE for every UE
Grade, specifically includes:
The base station determines the random access lead code of the UE according to the random access lead code of the UE for every UE
Affiliated lead code range determines connecing at random for the UE according to the corresponding relationship of preset lead code range and access priority
Enter the access priority of the UE corresponding to lead code range belonging to lead code.
Preferably, this method is also wrapped before the base station receives the random access lead code that multiple user equipment (UE)s are sent
It includes:
The base station by the instruction information for being used to indicate UE and determining lead code range belonging to the lead code of the UE notify to
The UE.
Preferably, the instruction information be lead code scale factor, be used to indicate UE when receive the lead code ratio because
The period of the day from 11 p.m. to 1 a.m determines that the UE needs lead code range belonging to the lead code of selection using the lead code scale factor, and the UE from
A lead code is selected to be sent to the base station as random access lead code in the lead code range.
A kind of accidental access method provided in an embodiment of the present invention, comprising:
User equipment (UE) determines random access lead code according to the access priority of the UE；
The random access lead code is sent to base station by the UE.
Preferably, the UE determines random access lead code according to the access priority of the UE, specifically include:
The UE is according to the corresponding lead code range of access priority of the UE, and selection one is random from the lead code range
Access lead code.
Preferably, access priority of the UE according to the UE, before determining random access lead code, this method is also wrapped
It includes:
The UE receives the UE that is used to indicate that the base station is sent and determines lead code range belonging to the lead code of the UE
It indicates information, the lead code range is determined according to the instruction information.
Preferably, the instruction information is lead code scale factor；The UE determines described leading according to the instruction information
Code range, specifically includes:
The UE utilizes the lead code scale factor, determines that the UE needs lead code range belonging to the lead code of selection.
A kind of random access control device provided in an embodiment of the present invention, comprising:
Transmission unit, the random access lead code sent for receiving multiple user equipment (UE)s；
Priority determining unit, for determining the access of the UE according to the random access lead code of the UE for every UE
Priority；
Control unit carries out random access control for the access priority according to every UE.
Preferably, the priority determining unit, is specifically used for:
For every UE, according to the random access lead code of the UE, before determining belonging to the random access lead code of the UE
Leading code range determines the random access lead code of the UE according to the corresponding relationship of preset lead code range and access priority
The access priority of the UE corresponding to affiliated lead code range.
Preferably, the transmission unit is also used before receiving the random access lead code that multiple user equipment (UE)s are sent
In:
UE will be used to indicate and determines that the instruction information of lead code range belonging to the lead code of the UE is notified to the UE.
Preferably, the instruction information be lead code scale factor, be used to indicate UE when receive the lead code ratio because
The period of the day from 11 p.m. to 1 a.m determines that the UE needs lead code range belonging to the lead code of selection using the lead code scale factor, and the UE from
A lead code is selected to be sent to the base station as random access lead code in the lead code range.
A kind of accidental access device provided in an embodiment of the present invention, comprising:
Determination unit determines random access lead code for the access priority according to user equipment (UE)；
Transmission unit, for the random access lead code to be sent to base station.
Preferably, the determination unit, is specifically used for:
According to the corresponding lead code range of the access priority of the UE, before selecting a random access in the lead code range
Leading code.
Preferably, the transmission unit is also used to: receiving the UE that is used to indicate that the base station is sent and determine that the UE's is leading
The instruction information of lead code range belonging to code；
The determination unit before determining random access lead code, is also used to according to the access priority of the UE: according to institute
Instruction information is stated, determines the lead code range.
Preferably, the instruction information is lead code scale factor；The determination unit determines institute according to the instruction information
When stating lead code range, it is specifically used for:
Using the lead code scale factor, determine that the UE needs lead code range belonging to the lead code of selection.
Detailed description of the invention
Fig. 1 is random access procedure schematic diagram competition-based in the prior art；
Fig. 2 is in the prior art based on non-competing random access procedure schematic diagram；
Fig. 3 is a kind of flow diagram of random access control method provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of accidental access method provided in an embodiment of the present invention；
Fig. 5 is a kind of lead code priority division mode schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of random access control device provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of accidental access device provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of random access and its control method and device, to realize according to the random of UE
Access lead code distinguishes the access priority of UE, so that in accidental access stage, high-priority service UE (such as cluster
It UE) can be with priority access, it is ensured that the high-priority services such as group service preferentially obtain running time-frequency resource, carry out random access, without
The right of speech preemption processes of cluster UE can be influenced, and then influence because the random access procedure of common UE causes running time-frequency resource to exhaust
Group service.
Referring to Fig. 3, in network side, a kind of random access control method provided in an embodiment of the present invention, comprising:
S101, base station receive the random access lead code that multiple user equipment (UE)s are sent；
S102, the base station determine that the access of the UE is preferential according to the random access lead code of the UE for every UE
Grade；
For example, the lead code made an appointment in particular range, the access priority of corresponding UE is higher, therefore works as and receive
The random access lead code that UE is sent is when belonging to the particular range, then the priority access UE, then when the UE can be occupied preferentially
Frequency resource, so that the business (such as group service) of oneself is preferentially carried out.Wherein, the particular range can be in advance
Confirm with UE negotiation, has been also possible to network side prior notice to UE's.Specific advice method, such as can be broadcast.
The access priority can also there are many, divided according to different service types, such as can be divided into
Two or three or more kinds of, then each priority corresponds to a specific lead code range.
S103, the base station carry out random access control according to the access priority of every UE.
In this way, base station receives the random access lead code that multiple UE are sent；The base station is directed to every UE, according to
The random access lead code of the UE determines the access priority of the UE；The base station is carried out according to the access priority of every UE
Random access control, it is achieved that according to the random access lead code of UE distinguish UE access priority so that with
Machine access phase, high-priority service UE (such as cluster UE) can be with priority access, it is ensured that the high-priority services such as group service
It is preferential to obtain running time-frequency resource, random access is carried out, causes running time-frequency resource to exhaust without the random access procedure because of common UE,
The right of speech preemption processes of cluster UE are influenced, and then influence group service.
Preferably, the base station determines that the access of the UE is preferential according to the random access lead code of the UE for every UE
Grade, specifically includes:
The base station determines the random access lead code of the UE according to the random access lead code of the UE for every UE
Affiliated lead code range determines connecing at random for the UE according to the corresponding relationship of preset lead code range and access priority
Enter the access priority of the UE corresponding to lead code range belonging to lead code.
Preferably, this method is also wrapped before the base station receives the random access lead code that multiple user equipment (UE)s are sent
It includes:
The base station by the instruction information for being used to indicate UE and determining lead code range belonging to the lead code of the UE notify to
The UE.
Preferably, the instruction information be lead code scale factor, be used to indicate UE when receive the lead code ratio because
The period of the day from 11 p.m. to 1 a.m determines that the UE needs lead code range belonging to the lead code of selection using the lead code scale factor, and the UE from
A lead code is selected to be sent to the base station as random access lead code in the lead code range.
Wherein, using the lead code scale factor, determine that the UE needs lead code range, example belonging to the lead code of selection
Such as: since lead code 0,64 lead codes being divided into two parts according to lead code scale factor, front portion is common UE
Used lead code, rear portion lead code are the lead code that cluster UE is used.Assuming that identified since 0 this 64 it is leading
Code, respectively lead code 0 arrive lead code 63；Lead code scale factor is 3/4, then lead code 0 to lead code 47 is common UE institute
The lead code range used, lead code 48 to lead code 63 are the lead code range that cluster UE is used.
Correspondingly, in terminal side, referring to fig. 4, a kind of accidental access method provided in an embodiment of the present invention, comprising:
S201, user equipment (UE) determine random access lead code according to the access priority of the UE；
The random access lead code is sent to base station by S202, the UE.
Preferably, the UE determines random access lead code according to the access priority of the UE, specifically include:
The UE is according to the corresponding lead code range of access priority of the UE, and selection one is random from the lead code range
Access lead code.
Preferably, access priority of the UE according to the UE, before determining random access lead code, this method is also wrapped
It includes:
The UE receives the UE that is used to indicate that the base station is sent and determines lead code range belonging to the lead code of the UE
It indicates information, the lead code range is determined according to the instruction information.
Preferably, the instruction information is lead code scale factor；The UE determines described leading according to the instruction information
Code range, specifically includes:
The UE utilizes the lead code scale factor, determines that the UE needs lead code range belonging to the lead code of selection.
It can be seen that in the embodiment of the present invention, by increasing inside random access configuration parameter, will to be used to indicate UE true
The instruction information of lead code range belonging to the lead code of the fixed UE, i.e. lead code scale factor, so that UE passes through lead code ratio
The example factor divides the lead code of selection, and network side is separated the priority area of service access based on the lead code, in this way may be used
It is subsequent excellent to distinguish group service or general service by the UE lead code that MSG1 is carried in the random access procedure
First scheduling provides information with frequency spectrum resource distribution.
In the embodiment of the present invention, it is used to indicate the instruction information that UE determines lead code range belonging to the lead code of the UE
Information unit (IE) is defined as follows:
Wherein, ratio3/4 be equivalent to lead code scale factor value be 3/4, ratio1/2 be equivalent to lead code ratio because
The value of son is 1/2, and so on, it should be strongly noted that high-priority service is equivalently employed without for ratio0, it is leading
Code scale factor is 0, is not necessarily to priority access.
In the lead code range divided according to scale factor, the UE of the other business of high priority uses the right portion of lead code
Divide (part that the mark value of lead code is high value), such as lead code 48, to lead code 63, the UE of general service is used
The left-hand component part of lower numerical value (the mark value of lead code be) of lead code, such as lead code 0 is to lead code 47.
In random access channel configuration information unit (RACH-Config Common IE), lead code ratio can be added
Example the factor information unit, such as: RACH-Config Common IE is amended as follows, with addition of optional IE, i.e., before
The information unit (ratio of RA-High Priority Preambles) of leading code scale factor, is marked using red font.
In above-mentioned RACH-Config Common IE, pass through ratio of RA-High Priority Preambles
The UE of this IE instruction high-priority service is used in Group A, Group B or non-competing random access lead code
Ratio, according to practical business situation, non-competing random access lead code can not have to use, in addition, if this ratio
If of RA-High Priority Preambles IE does not occur, then, then it is preferential business to be carried out without using lead code
The differentiation of grade.
Lead code priority divides, i.e. the division of lead code range, referring to Fig. 5, if 64 in each cell are leading
Code is divided into the lead code three parts of Group A, Group B and non-competing access, then each section is respectively divided into general service
The lead code range that the lead code range and high-priority service UE that UE is used use, the division mode of specific each section, example
Such as include:
Group A lead code service priority cut-point=sizeofRA-PreambleGroupA (1-ratioofRA-
HighPriorityPreambles)；
Group B lead code service priority cut-point=sizeofRA-PreambleGroupA+ (numberOfRA-
Preambles-sizeofRA-PreamblesGroupA)*(1-ratioofRA-HighPriorityPreambles)；
Lead code service priority cut-point=numberOfRA-Preambles+ (64- of non-competing access
numberOfRA-Preambles)*(1-ratioofRA-HighPriorityPreambles)；
Wherein, sizeofRA-PreambleGroupA indicates the random access lead code number of Group A,
RatioofRA-HighPriorityPreambles indicate random access high priority lead code ratio, i.e., lead code ratio because
Son, numberOfRA-Preambles indicate random access lead code number, and 64 subtract numberOfRA-Preambles then table
Show the lead code number of non-competing access.
For example, it is 50 that the random access lead code number of Group A, which is 48, numberOfRA-Preambles value, then
The random access lead code of Group A is from lead code 0 to lead code 47, and the random access lead code of Group B is from leading
Code 48 and lead code 49.Assuming that ratioofRA-HighPriorityPreambles be 1/2, then in Group A, lead code 0 to
Lead code 23 is used by the UE of general service, and lead code 24 to lead code 47 is by the UE of high-priority service (such as group service)
It uses.Group A lead code service priority cut-point is 24, i.e. the starting that the UE of high-priority service is used in Group A
Lead code is lead code 24.In Group B, lead code 48 is used by the UE of general service, and lead code 49 is by high priority industry
The UE of business (such as group service) is used.Group B lead code service priority cut-point is 49, i.e. high preferential in Group B
The starting lead code that the UE of grade business is used is lead code 49.In the lead code of non-competing access, lead code 50 to lead code 56
It is used by the UE of general service, lead code 57 to lead code 63 is used by the UE of high-priority service (such as group service).It is non-
The lead code service priority cut-point of contention access is 57, i.e., the starting that the UE of the high-priority service of non-competing access is used
Lead code is lead code 57.
Ground is corresponded to the above method, referring to Fig. 6, in base station side, a kind of random access control provided in an embodiment of the present invention
Device processed, comprising:
Transmission unit 11, the random access lead code sent for receiving multiple user equipment (UE)s；
Priority determining unit 12, for determining connecing for the UE according to the random access lead code of the UE for every UE
Enter priority；
Control unit 13 carries out random access control for the access priority according to every UE.
Preferably, the priority determining unit, is specifically used for:
For every UE, according to the random access lead code of the UE, before determining belonging to the random access lead code of the UE
Leading code range determines the random access lead code of the UE according to the corresponding relationship of preset lead code range and access priority
The access priority of the UE corresponding to affiliated lead code range.
Preferably, the transmission unit is also used before receiving the random access lead code that multiple user equipment (UE)s are sent
In:
UE will be used to indicate and determines that the instruction information of lead code range belonging to the lead code of the UE is notified to the UE.
Preferably, the instruction information be lead code scale factor, be used to indicate UE when receive the lead code ratio because
The period of the day from 11 p.m. to 1 a.m determines that the UE needs lead code range belonging to the lead code of selection using the lead code scale factor, and the UE from
A lead code is selected to be sent to the base station as random access lead code in the lead code range.
Referring to Fig. 7, in the side UE, a kind of accidental access device provided in an embodiment of the present invention, comprising:
Determination unit 21 determines random access lead code for the access priority according to user equipment (UE)；
Transmission unit 22, for the random access lead code to be sent to base station.
Preferably, the determination unit, is specifically used for:
According to the corresponding lead code range of the access priority of the UE, before selecting a random access in the lead code range
Leading code.
Preferably, the transmission unit is also used to: receiving the UE that is used to indicate that the base station is sent and determine that the UE's is leading
The instruction information of lead code range belonging to code；
The determination unit before determining random access lead code, is also used to according to the access priority of the UE: according to institute
Instruction information is stated, determines the lead code range.
Preferably, the instruction information is lead code scale factor；The determination unit determines institute according to the instruction information
When stating lead code range, it is specifically used for:
Using the lead code scale factor, determine that the UE needs lead code range belonging to the lead code of selection.
Above each unit can be realized by entity apparatus such as processors.
In conclusion technical solution provided in an embodiment of the present invention, UE business is distinguished by random access lead code
Priority level.By increasing lead code scale factor differentiated service priority level, the characteristic for having expanded lead code is used.Pass through expansion
The differentiation that priority is completed using characteristic for filling lead code, the demand and UE access time delay for meeting UE priority access are wanted
It asks.Also, the embodiment of the present invention considers the compatibility of agreement, facilitate equipment upgrading realize, and definition IE be can
IE is selected, the coupling of interoffice equipment is reduced.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. a kind of random access control method, which is characterized in that this method comprises:
Base station receives the random access lead code that multiple user equipment (UE)s are sent；
The base station determines the access priority of the UE according to the random access lead code of the UE for every UE；
The base station carries out random access control according to the access priority of every UE；
Wherein, the base station determines the access priority of the UE according to the random access lead code of the UE for every UE, has
Body includes:
The base station determines belonging to the random access lead code of the UE for every UE according to the random access lead code of the UE
Lead code range, according to the corresponding relationship of preset lead code range and access priority, before the random access for determining the UE
The access priority of the UE corresponding to lead code range belonging to leading code；
Before the base station receives the random access lead code that multiple user equipment (UE)s are sent, this method further include:
The base station will be used to indicate UE and determine that the instruction information of lead code range belonging to the lead code of the UE is notified to described
UE；
The instruction information is lead code scale factor, is used to indicate UE when receiving the lead code scale factor, utilizes this
Lead code scale factor determines that the UE needs lead code range belonging to the lead code of selection, and the UE is from the lead code model
It encloses and middle a lead code is selected to be sent to the base station as random access lead code.
2. a kind of accidental access method, which is characterized in that this method comprises:
User equipment (UE) determines random access lead code according to the access priority of the UE；
The random access lead code is sent to base station by the UE；
Wherein, the UE determines random access lead code according to the access priority of the UE, specifically includes:
The UE selects a random access from the lead code range according to the corresponding lead code range of access priority of the UE
Lead code；
The UE is according to the access priority of the UE, before determining random access lead code, this method further include:
The UE receives the instruction for being used to indicate UE and determining lead code range belonging to the lead code of the UE that the base station is sent
Information determines the lead code range according to the instruction information；
The instruction information is lead code scale factor；The UE determines the lead code range according to the instruction information, specifically
Include:
The UE utilizes the lead code scale factor, determines that the UE needs lead code range belonging to the lead code of selection.
3. a kind of random access control device characterized by comprising
Transmission unit, the random access lead code sent for receiving multiple user equipment (UE)s；
Priority determining unit, for determining that the access of the UE is preferential according to the random access lead code of the UE for every UE
Grade；
Control unit carries out random access control for the access priority according to every UE；
Wherein, the priority determining unit, is specifically used for:
Lead code belonging to the random access lead code of the UE is determined according to the random access lead code of the UE for every UE
Range determines belonging to the random access lead code of the UE according to the corresponding relationship of preset lead code range and access priority
Lead code range corresponding to the UE access priority；
The transmission unit is also used to before receiving the random access lead code that multiple user equipment (UE)s are sent:
UE will be used to indicate and determines that the instruction information of lead code range belonging to the lead code of the UE is notified to the UE；
The instruction information is lead code scale factor, is used to indicate UE when receiving the lead code scale factor, utilizes this
Lead code scale factor determines that the UE needs lead code range belonging to the lead code of selection, and the UE is from the lead code model
It encloses and middle select a lead code as random access lead code and be sent to base station.
4. a kind of accidental access device characterized by comprising
Determination unit determines random access lead code for the access priority according to user equipment (UE)；
Transmission unit, for the random access lead code to be sent to base station；
Wherein, the determination unit, is specifically used for:
According to the corresponding lead code range of the access priority of the UE, a random access preamble is selected from the lead code range
Code；
The transmission unit is also used to: receive that the base station sends be used to indicate UE determine it is leading belonging to the lead code of the UE
The instruction information of code range；
The determination unit before determining random access lead code, is also used to according to the access priority of the UE: according to the finger
Show information, determines the lead code range；
The instruction information is lead code scale factor；The determination unit determines the lead code range according to the instruction information
When, it is specifically used for:
Using the lead code scale factor, determine that the UE needs lead code range belonging to the lead code of selection.
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| CN105873173B (en) * | 2016-05-24 | 2019-07-09 | 电子科技大学 | A kind of graduate access overload controlling method |
| CN107786946B (en) * | 2016-08-30 | 2020-02-07 | 大唐移动通信设备有限公司 | Cluster service data processing method and cluster base station |
| CN107872884A (en) * | 2016-09-26 | 2018-04-03 | 电信科学技术研究院 | A kind of random access resource distribution and accidental access method, equipment |
| TW201820918A (en) * | 2016-11-28 | 2018-06-01 | 財團法人資訊工業策進會 | Wireless device and random access method thereof for mobile communication system |
| CN109392048B (en) * | 2017-08-11 | 2022-05-13 | 华为技术有限公司 | Signal sending method, receiving method and device |
| CN109511175A (en) * | 2017-09-14 | 2019-03-22 | 展讯通信（上海）有限公司 | Accidental access method and device, storage medium, terminal, base station |
| US11330507B2 (en) | 2017-11-17 | 2022-05-10 | Nec Corporation | Early data transmission authorization control |
| WO2019237805A1 (en) * | 2018-06-14 | 2019-12-19 | Oppo广东移动通信有限公司 | Random access method and apparatus and communication device |
| CN112118634B (en) * | 2019-06-20 | 2023-03-28 | 中国电信股份有限公司 | Communication method, device, system, base station and terminal |
| CN114040512B (en) * | 2021-11-23 | 2023-07-25 | 新华三技术有限公司 | Random access method and device |
| CN114390721A (en) * | 2021-12-30 | 2022-04-22 | 四川大学 | Base station and random access method based on service priority |
| CN114390720A (en) * | 2021-12-30 | 2022-04-22 | 四川大学 | Terminal and random access method based on service priority |
| CN114269024A (en) * | 2021-12-30 | 2022-04-01 | 四川大学 | Random access method and system based on service priority |
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